TW202322509A - Rod body coupling structure - Google Patents

Abstract

The purpose of the present invention is to provide a rod body coupling structure that can further ensure safety. This coupling structure 10 for coupling a rod body and a coupling part to be coupled to the rod body is characterized by comprising: a first coupling member 50 which is disposed in a region on the rod body side; and a second coupling member 80 which is disposed in a region on the side of the coupling part to be coupled to the rod body. The coupling structure is also characterized by being configured such that: the rod body has, disposed in the region on the side of the coupling part to be coupled to the rod body, a fixation means 16 that constitutes a separation preventing means for preventing elements coupled by the coupling structure 10 from separating; the second coupling member 80 has, formed in the region on the side of the coupling part to be coupled to the rod body, a fixation means 16 for halting the rod-body side fixation means 16; the first coupling member 50 is disposed on the rod body side so as to be movable in the axial direction of the rod body; and upon attachment of the coupling part to the rod body, the first coupling member 50 is fixed, by means of the fixation means 16, to a first-coupling-member side region of the second coupling member 80, controls the movement of the second coupling member 80 so that the rod-body side fixation means 16 will not be detached from the fixation means 16 formed in the second coupling member 80.

Description

Rod connection structure

technical field

The present invention relates to a connection structure of a rod body, in particular to a connection structure of an insulated operating rod for indirect construction used in indirect live line construction and a front-end tool connected thereto.

Background technique

So far, there have been several proposals (Patent Documents 1 to 3) for the connection structure between tools for indirect live-line construction and insulated operating rods for indirect live-line construction. It is extremely important to ensure the safety of workers during work in indirect live line construction, and it is necessary to consider that various indirect live line work tools such as peeling machines connected to the front end of the insulated operating rod, which can be replaced freely, will not be damaged during work. There is a case of accidental detachment. The connecting structure of the previous document 1 is to form the hooking groove of the connecting device in the following way, that is, add a horizontal groove to the first displacement groove part of a slightly inverted L shape formed by the longitudinal groove part, the horizontal groove part and the longitudinal groove part. The second displacement groove portion in a substantially lateral L-shape formed by the vertical groove portion, or an additional vertical groove is formed in the vertical groove. Moreover, even if the pin moves to the upper end in the longitudinal groove, the pin will be prevented from falling off laterally, making it difficult for the pin to disengage from the hook groove. The connecting structure of the previous document 2 is formed as follows: the common operating rod has: a connecting part that can connect the rod-shaped member to the front end tool, and a fixing part for locking the front tool. The fixing part is composed of a core part and a sliding member. The aforementioned core portion has an inclined portion and an inclined portion connected to form an abacus bead shape, the aforementioned sliding member can slide along the axial direction of the core portion to abut against the tip tool, and the sliding member is formed as each abutting portion of the pressing portion on the core. Push the core part in the diameter direction of the part, and tighten the tip tool to fix it. The connecting structure of previous document 3 is formed as follows: the tool part has a cylindrical shaft part, a pair of buttons, and two leaf springs, and the connecting metal tool has a shaft hole and a pair of notched grooves, allowing the shaft part to be introduced and fitted into the shaft hole , hold the knob, make the latch plate protrude from the recess or sink into the recess, and the operation rod can be connected with the front end tool. Prior art literature patent documents

Patent Document 1: Japanese Patent Laid-Open No. 2008-199861 Patent Document 2: Japanese Patent Laid-Open No. 2013-102629 Patent Document 3: Japanese Patent Laid-Open No. 2017-99141

Summary of the invention The problem to be solved by the invention

However, it is difficult to say that the connection structures in the inventions of Patent Documents 1 to 3 are sufficiently secure. The present invention is made in view of the above-mentioned circumstances, and its purpose is to provide a connection structure of rods that can further ensure safety.

The connecting structure of the rod body requested in claim 1 of the present invention is a connecting structure connecting the rod body and the connected part connected to the rod body, and is characterized in that: a first connecting member is provided on the rod body The area on the side of the body; and the second connecting member, which is arranged in the area on the side of the connected part connected with the aforementioned rod body. The mechanism constitutes a separation prevention mechanism that prevents the separation of those connected by the connection structure. The aforementioned second connecting member is formed with a fixing mechanism that stops the fixing mechanism on the side of the rod in the area of the connected part that is connected to the rod. The first connecting member is disposed on the side of the rod body so as to be movable in the axial direction of the rod body, and when the connected portion is connected to the rod body, the first connecting member is fixed by the fixing mechanism at the second position. The area on the side of the first connecting member of the two connecting members controls the movement of the second connecting member so that the fixing mechanism on the side of the rod body will not be separated from the fixing mechanism formed on the second connecting member. The connecting structure of the rod body requested in claim 2 of the present invention is a connecting structure connecting the rod body and the connected portion connected to the rod body, and is characterized in that it includes: a first connecting member arranged on the rod body a region on the side of the body; and a second connecting member disposed in a region on the side of the connected portion connected to the aforementioned rod body, wherein one of the connecting portion on the side of the rod body and the connecting portion on the side of the connected portion is formed with a convex portion , a concave portion is formed on the other, and the convex portion and the concave portion are combined to be connected. The aforementioned first coupling member is arranged on the side of the rod body in a manner that can move in the axial direction of the rod body. The aforementioned second coupling member The member is arranged on the side of the connected part so as to be movable toward the connected part, and the first connecting member and the second connecting member are configured to move in opposite directions through the connected first connecting member and the second connecting member. To move and separate, the aforementioned bar body is equipped with a restraining mechanism, the aforementioned restraining mechanism constitutes a separation prevention mechanism that prevents the separation of those connected by the connecting structure, and the aforementioned restraining mechanism is configured to push the first connecting member toward the second connecting member , so that the protrusions and recesses that are engaged during the aforementioned connection will not be separated. The connecting structure of the rod body requested in claim 3 of the present invention is the connecting structure of the rod body as described in claim 1, wherein the connecting part on the rod side and the connecting part on the connected part side are formed on one of them. The convex portion has a concave portion formed on the other, and the convex portion and the concave portion are combined and connected. The connecting structure of rods requested in claim 4 of the present invention is the connecting structure of rods described in claim 1, wherein the fixing mechanism provided on the side of the rods constitutes a separation prevention mechanism and is formed so as to face the connected parts. Along with the movement of the rod, it moves in the axial direction of the rod and rotates in the circumferential direction of the rod. The connecting structure of the rod body requested in claim 5 of the present invention is the connecting structure of the rod body as described in claim 1 or 2, wherein the first connecting member is formed as follows: the connecting part on the side of the part to be connected and When the connecting portion on the side of the rod body is connected, the end of the second connecting member on the side of the first connecting member is pushed. The connection structure of the rod body requested in claim 6 of the present invention is the connection structure of the rod body as described in claim 1, wherein the aforementioned fixing mechanism is constituted by a first fixing protrusion (pin), and the aforementioned first fixing The protruding part (pin) is a connection part formed on the side of the rod body, and constitutes a separation preventing mechanism, and/or, the aforementioned fixing mechanism is constituted by a second fixing protruding part (plunger), and the aforesaid second fixing protruding part (The plunger) is the first connecting member formed on the side of the rod body, and constitutes a separation prevention mechanism, and the fixing mechanism formed on the second connecting member or the fixing mechanism formed on the core member is constituted by the following fixing groove : It is formed at the corresponding position in the aforementioned core member and/or the second connecting member and constitutes a zigzag separation mechanism. The connection structure of the rod body requested in claim 7 of the present invention is the connection structure of the rod body as described in claim 1, wherein the aforementioned fixing mechanism is formed by a fixing pin, a plunger and a fixing groove, and the aforementioned fixing pin and The plunger protrudes in the diameter direction of the rod, and the fixing groove has: the depth at which the head of the embedded fixing pin protrudes slightly, and the width at which the shaft of the embedded fixing pin and the plunger can move , It is constructed so that the fixed pin and the plunger do not move when the connected part is attached to the rod body. The connecting structure of the rod body requested in claim 8 of the present invention is the connecting structure of the rod body as described in claim 1, wherein the fixing mechanism on the side of the first operating rod is formed by a positioning member formed on the first connecting member In this configuration, the positioning member is formed to be fitted with the fixing mechanism disposed on the second connecting member. The connecting structure of the rod body requested in claim 9 of the present invention is the connecting structure of the rod body as described in claim 1 or 2, wherein the aforementioned first connecting member is constituted as follows: when the connected part is connected to the rod body , is screwed to the connecting portion of the second connecting member or the rod body, and is configured such that the connected portion cannot be separated from the second connecting member when it is fixed to the rod body. The connecting structure of the stick body requested in claim 10 of the present invention is the connecting structure of the stick body as described in claim 1 or 2, wherein the above-mentioned restraining mechanism is formed by an elastic member, and the above-mentioned elastic member is configured to: Push the first connecting part or the second connecting member by pushing the first connecting member to the side of the connected part or by pushing the fixing mechanism to the fixing groove, so that the aforementioned connection is engaged. The convex part and the concave part are not separated. The connecting structure of the rod body requested in claim 11 of the present invention is the connecting structure of the rod body as described in any one of claim items 1 to 10, wherein the aforementioned rod body is formed with a ratio on the side connected to the connected part. The first connecting part of the rod body is thinner, and a second connecting part thicker than the first connecting part is connected to the connected part side of the first connecting part, and the first connecting part is configured to be connected with the rod A moving space for the first connecting member is formed between the bodies, and the second connecting part is provided with the fixing mechanism. The connecting structure of the rod body requested in claim 12 of the present invention is the connecting structure of the rod body as described in claim 1 or 2, wherein the first connecting member is arranged in the area near the body of the rod body The above-mentioned second connecting member is a rod disposed on the connected portion side of the above-mentioned rod.

According to the present invention, it is possible to provide a connection structure of rods that can further ensure safety.

The above object, other objects, features, and advantages of the present invention will become more apparent from the description of embodiments for implementing the following invention with reference to the drawings.

form for carrying out the invention

(definition) The side of the stick body of the present invention that is held by the hand is called the close body or the close body side, and the front end side opposite to the aforementioned close body side is called the front end or the front end side. In the rod body of the present invention, the center line extending along the longitudinal direction is called the axis, and the direction in which the axis extends is called the axial direction. The direction along the outer peripheral direction of the rod is referred to as the circumferential direction.

The connection structure of the rod body of the present invention is, for example, in the front end side of the rod body, the connection structure between the front end of the rod body and the part of the connecting tool installed on the rod body, or a connection structure that connects two divided rod bodies. As a representative example. In this specification, the connecting tool, the tip tool, and one of the two branches are referred to as a connecting tool.

A connection structure 10 that connects the connecting part of the rod body of the present invention, that is, the connecting part of the operation rod 12, and the connected part of the front tool 14, which is the connecting device connected to the operation rod 12, to the connected part. It relates to a connection structure such as an insulated operating stick for indirect live line work used in indirect live line work to avoid power outages around the work site, and a front end tool that is freely connected to the front end, etc. The connecting structure of the connected part connected with the operating rod 12 in the connecting tool.

Generally speaking, the insulation operation rod is composed of a long insulation operation rod and a tool for electrical work installed on the front end of the operation rod, that is, a front end tool, and is used for holding or cutting high-voltage power distribution lines and other operations. The purpose is to replace the suitable front-end tool for use. The operating rod 12 of the present invention is used for the same purpose as the aforementioned insulating operating rod, and the operating rod 12 is sometimes referred to as an insulating operating rod.

The connection structure 10 of one embodiment of the present invention is a connection between the rod body, that is, the connecting part of the operation rod 12 and other objects, and the connected part of the front end tool 14 connected to the operation rod 12 connected to the operation rod 12. Connected structure.

The connecting part 24 on the side of the rod body, that is, the operating rod 12, and the connecting part 32 on the side of the connected part are formed in such a way that a convex part is formed on one of them, and a concave part is formed on the other, and the convex part and the concave part are combined and connected. . In this embodiment, a convex portion is formed on the connecting portion 24 (on the side of the operating rod), and a concave portion is formed on the connecting portion 32 (on the side of the tip tool).

The aforementioned operation rod 12 is provided with a first connection member 50 in the region of the connection part of the operation rod 12 connected with other objects, and the aforementioned front end tool 14 is connected to the region of the connected part of the operation rod 12 in the front end tool 14. A second connecting member 80 is provided. The above-mentioned operation rod 12 is equipped with a fixing mechanism 16 in the area on the side connected to the front tool 14. The above-mentioned fixing mechanism 16 constitutes a separation prevention mechanism that prevents the separation of those connected by the connection structure. The above-mentioned second connection member 80 is connected to the operation rod. 12. The area on the side of the connection is equipped with a fixing mechanism 16. The aforementioned fixing mechanism 16 constitutes a separation prevention mechanism that prevents the separation of those connected by the connection structure that stops the aforementioned fixing mechanism 16, and the first fixing mechanism that constitutes the fixing mechanism 16 is formed. Ditch 90. The aforementioned first connecting member 50 is arranged on the operating rod 12 so as to be movable in the axial direction of the operating rod, and the aforementioned tip tool 14 is mounted on the aforementioned operating rod 12 so that the connecting portion 24 (on the operating rod side) and ( When the connecting portion 32 on the front end tool side is in the locked state, the second connecting member 80 is controlled by fixing the area on the side of the first connecting member 50 of the second connecting member 80 by the fixing mechanism 16 of the aforementioned operation rod 12. movement, and the fixing mechanism 16 formed so that the aforementioned operating rod 12 will not disengage from the first fixing groove 90 of the fixing mechanism 16 of the aforementioned second connecting member 80 .

The fixing mechanism 16 provided on the operation rod 12 is formed to move in the axial direction of the operation rod 12 with the movement of the operation rod 12 relative to the tip tool 14 and to rotate in the circumferential direction of the operation rod 12 .

The aforementioned first connecting member 50 can be formed to cover the fixing mechanism 16 on the side of the operating rod 12 when the operating rod 12 is attached to the second connecting member 80 on the side of the tip tool 14 through the fixing mechanism 16 on the side of the operating rod 12 .

When the aforementioned first connecting member 50 is mounted on the second connecting member 80 on the side of the tip tool 14 by the fixing mechanism 16 on the operating rod 12 side, the first connecting member 50 of the second connecting member 80 is formed to The side end is pushed from the proximal side toward the front end side.

The aforementioned fixing mechanism 16 is constituted by a fixing pin 60 formed on the connecting portion 24 on the side of the aforementioned operating rod 12 and constituting a first fixing convex portion, and/or, The fixing mechanism 16 is constituted by a second fixing protrusion (plunger) 62 formed on the first connecting member 50 on the side of the operation rod 12 . The other fixing mechanism 16 formed on the aforementioned second connecting member 80 is constituted by a meandering fixing groove, and the aforementioned fixing groove is formed on the corresponding position of the aforementioned first connecting member 50 and/or the second connecting member 80 . The aforementioned zigzag fixed grooves (the first fixed groove 90 and the second fixed groove 92) are formed in the form of the following grooves, which are roughly U-shaped in a plane view. The aforementioned grooves are: (Pin) 60 and the plunger 62 constituting the second fixing convex part are inserted along the axial direction in the opening part extending toward the front end side of the groove part of the opening part side; an extending groove; and a fixing groove extending axially toward the proximal side while changing its extending direction.

The fixing mechanism 16 is constituted by the fixing pin 60 and the plunger 62 on the connecting part side of the operating rod 12 , and the first fixing groove 90 on the connected part side connected to the operating rod 12 . The fixing pin 60 and the plunger 62 protrude toward the diameter direction of the operating rod 12 . The aforementioned fixing groove 90 has: the depth at which the head of the aforementioned embedded fixing pin 60 protrudes slightly; When the tip tool 14 is attached to the operating rod 12, the fixing pin 60 and the plunger 62 are not moved.

The fixing mechanism 16 on the side of the operation rod 12 may be formed by forming the second fixing convex portion (plunger) 62 formed on the first coupling member 50 and constituting the positioning member, and the second fixing convex portion constituting the positioning member The (plunger) 62 can be fitted into the second fixing groove 92 which is the aforementioned fixing mechanism 16 arranged on the second connection member 80 .

The above-mentioned first connecting member 50 can be configured as follows: the connecting part 32 (on the side of the front end tool) constituting the connected part of the front end tool 14 for connection is installed on the connecting part (operating rod) that constitutes the connecting part of the operation rod 12 and other objects. When the connection part 24 on the front end tool side is screwed to the aforementioned second connection member 80 or the connection part 24 on the side of the operation rod 12 (on the front end tool side), the connection part 24 on the side of the operation rod 12 is configured so that the front end tool 14 has been fixed on the operation rod. 12 o'clock, it will not be separated from the second connection member 80 .

The connecting portion 24 on the side of the rod body and the connecting portion 32 on the connected portion side are formed with a first fixing convex portion 60 on one of them, and the first fixing convex portion 60 is used as the fixing mechanism 16 constituting the convex portion. The first fixing groove 90 is formed, and the first fixing groove 90 is used as the fixing mechanism 16 constituting the concave portion, and the convex portion and the concave portion are combined and connected, The aforementioned first coupling member 50 is disposed on the side of the rod so as to be movable in the axial direction of the rod, The aforementioned second connecting member 80 is disposed on the connected part side in a movable manner on the connected part, The first connecting member 50 and the second connecting member 80 are configured to be separated by moving the connected first connecting member 50 and second connecting member 80 in opposite directions, The above-mentioned operating rod 12 is equipped with a restraining mechanism 18, and the aforementioned restraining mechanism 18 constitutes a separation prevention mechanism that prevents the separation of those connected by the connecting structure, The above-mentioned restraining mechanism 18 is configured to push the first connecting member 50 toward the second connecting member 80 so that the first fixing convex portion 60 and the first fixing groove 90 engaged during the connection are not separated, and the first fixing groove 90 is not separated from the first fixing groove 90 . The fixing convex portion 60 is the fixing mechanism 16 constituting the convex portion, and the first fixing groove 90 constitutes the concave portion.

The above-mentioned (operating stick side) connecting portion 24 and/or (tip tool side) connecting portion 32 is equipped with a restraining mechanism 18, and the aforementioned restraining mechanism 18 is from the near side of the operating rod 12 toward the distal end tool 14 side or from the front end. The tool 14 side springs back toward the operating rod 12 side.

The aforesaid restraining mechanism 18 is constituted by an elastic member 70, The elastic member 70 is disposed so as to push the first connecting member 50 toward the connected portion side, or to push the second connecting member 80 so that the constituting protrusions that engage with each other during connection The first fixing convex portion 60 and the first fixing groove 90 constituting the concave portion will not be separated. The above-mentioned elastic member 70 is sandwiched between the connecting part 24 (on the side of the operating rod) or the tool part (the front end tool part) 30, so that the first connecting member 50 can be pushed toward the front end tool 14 side, or the aforementioned fixing mechanism 16 Push against the fixing groove 90 .

The above-mentioned operation rod 12 is formed with a first connection part 40 thinner than the operation rod body 20 on the side connected with the front end tool, and on the front end tool 14 side of the above-mentioned first connection part 40 is connected and provided with a thinner connection part 40 than the first connection part 40. Thick second connecting portion 42 . The first connecting portion 40 is configured to form a movement space of the first connecting member 50 in the axial direction between the operation rod body 20 and the first connecting portion 40 . The elastic member 70 constituting the fixing mechanism 16 , that is, a coil spring may be arranged around the first connecting portion 40 . When in the locked state where the connected part (on the front end tool side) connecting part 32 is installed on the connecting part 24 on the rod body side (on the operating rod side), the first connecting member 50 is formed to be fixed by the The mechanism 16 is fixed on the first connecting member side area of the second connecting member 80, and the movement of the second connecting member 80 is controlled, so that the fixing mechanism 16 formed on the rod side will not be formed on the second connecting member 80. The securing mechanism 16 is disengaged.

In this embodiment, the operating rod body 20 of the operating rod 12 has a substantially circular cross section, the first connecting portion 40 and the second connecting portion 42 of the core member 44 have a substantially circular cross section, and the first connecting member 50 has a substantially circular cross section. It is approximately circular, and the second connection member 80 is approximately circular in cross section. In addition, the operation rod body 20, the core member 44, the first connection member 50, and the second connection member 80 of the operation rods 12 are arranged concentrically with the center line extending in the axial direction of the rod body.

The connecting portion 24 on the side of the rod body, that is, the operating rod 12, and the connecting portion 32 on the side of the connected portion are concentrically arranged on the center line extending in the axial direction of the rod body, one of which is formed with a convex portion, and the other is formed with a convex portion. A concave portion is formed, and the convex portion and the concave portion are matched and connected. In this embodiment, a core member 44 constituting a convex portion is formed in the coupling portion 24 (on the operation rod side), and a rod side coupling portion mounting hole 94 constituting a concave portion is formed in the coupling portion 32 (on the tip tool side). The core member 44 is a rod-shaped body with a substantially circular cross-section, and the rod-side connecting portion mounting hole 94 is an annular body with a substantially circular cross-section. In order to combine the core member 44 with the rod-side connecting portion mounting hole 94, the connecting portion 24 on the side of the operating rod 12 is connected to the connecting portion 32 on the side of the connected portion.

The aforementioned first connecting member 50 can be arranged on the operating rod near the side of the body among the operating rods 12 divided into two, The aforementioned second connecting member 80 may be arranged on the operating rod on the front end tool side among the operating rods 12 divided into two.

(first embodiment)

A connection structure 10 according to a first embodiment of the present invention will be described mainly based on FIGS. 1 to 9 . The connection structure 10 according to the first embodiment of the present invention is a connection structure in which an operation rod 12 constituting a rod body and a connection portion of a tip tool 14 constituting a connected portion connected to the operation rod 12 are connected.

The operating rod 12 is equipped with: an operating rod body 20, which constitutes the body of a long cylindrical rod body; a grip part 22, which is attached to the rear end of the operating rod body 20, that is, the near side; and (on the operating rod side) a connecting part 24 , is formed on the front end side of the operating rod body 20 , that is, on the side where the front end tool 14 is mounted.

The structure of the operating rod 12 constituting the insulating operating rod for indirect live line construction, especially the operating rod body 20, can also be, for example, one rod body, or it can be arranged so that two rod bodies are parallel to the axis. The insulated operating rod for indirect living line construction is only required to have electrical insulation, and it is more preferable if it can be reduced in weight. Various tough plastics such as fiber reinforced plastic (FRP) can be used.

Front-end tools 14 such as tools for indirect live line construction are constituted by, for example, a stripping machine, clamps, locking tools, etc. for stripping the insulating coating of overhead power distribution lines in a live line state. The tip tool 14 includes: a tool portion 30 directly in contact with electric wires, etc.;

The connecting portion 24 on the side of the rod body, that is, the operating rod 12, and the connecting portion 32 on the side of the connected portion are configured to be aligned concentrically with the center line extending in the axial direction of the rod body, and a convex portion is formed on one of them. , a concave portion is formed on the other, and the convex portion and the concave portion are combined and connected. In this embodiment, the core member 44 constituting a convex portion is formed in the coupling portion 24 (on the operation rod side), and the rod side coupling portion mounting hole 94 constituting a concave portion is formed in the coupling portion 32 (on the tip tool side). The core member 44 is a rod-shaped body with a substantially circular cross section, and the rod-side connecting portion mounting holes 94 are ring-shaped bodies with a substantially circular cross-section, which are arranged concentrically with the center line extending in the axial direction of the rod body, and The core member 44 is combined with the connecting portion mounting hole 94 on the rod side to connect the connecting portion 24 on the operating rod 12 side to the connecting portion 32 on the connected portion side.

The operation rod 12 is provided with a fixing mechanism 16 for fixing the tip tool 14 in the area of the side connected to the tip tool 14. The fixing mechanism 16 constitutes a separation prevention mechanism for preventing separation of those connected by the connection structure. Furthermore, the operation rod 12 is equipped with a restraining mechanism 18 in the area of the side connected to the front end tool 14. The aforementioned restraint mechanism 18 restrains the movement of the connection between the operation rod 12 and the front end tool 14, and constitutes a preventive mechanism. A separation prevention mechanism that separates those connected by the connection structure.

The connection portion 24 of the aforementioned operation rod 12 constituting the connection portion of the rod body is constituted by a core member 44 and the like, and a first connection portion 40 thinner than the operation rod body 20 is formed on the side connected to the operation rod body 20 . The first connecting portion 40 is connected to the front end tool 14 side with a second connecting portion 42 thicker than the first connecting portion 40 .

The core member 44 constituting the connecting portion 24 (on the operation rod side) of the operation rod body 20 is connected to the operation rod by the (first) operation rod installation member 26 and the fixing pin 26 a and the fixing pin 26 b ) constituting the operation rod installation member. The rod body 20 is connected.

(1st) In this embodiment, the operation rod mounting member 26 and the core member 44 are, as shown in FIG. pin 26a and fixed pin 26b to fix. The first connecting portion 40 of the core member 44 is fitted around the (first) rod mounting member 26 , fitted into the recessed portion 20 a provided at the front end of the rod body 20 , and fixed to the rod body 20 .

The connection part 24 (on the operation stick side) is equipped with the core member 44 which comprises the 1st connection part 40 and the 2nd connection part 42 in this embodiment. The core member 44 has a hollow cylindrical shape and is arranged around the (first) operation rod attachment member 26 and the (second) operation rod attachment member 28 constituting the above-mentioned operation rod attachment members.

In this embodiment, the core member 44 constitutes the first connecting portion 40 on the proximal side, and the first connecting portion 40 is formed as a columnar portion thinner than the operating rod body 20 in such a manner as to be attached to the operating rod body 20 . The front end side constitutes the second connecting portion 42, and the second connecting portion 42 is formed by a thick cylindrical portion that is thicker than the first connecting portion 40 that is thinner on the proximal side.

The core member 44 has a shape to be inserted into the rod-side connecting portion mounting hole 94. The rod-side connecting portion mounting hole 94 is a hollow portion formed in the second connecting portion 84 of the second connecting member 80, and is implemented here. In form, it is comprised in the cylindrical shape which can slide in the said hollow part.

The core member 44 has a hollow portion 46 penetrating in the longitudinal direction and having a hollow annular shape. The hollow portion 46 is formed with a first hollow portion 46a that is elongated and constricted at its approximate center, and has a thicker and longer diameter than the first hollow portion 46a on the front end side than the first hollow portion 46a. 2nd hollow part 46b. Furthermore, the hollow portion 46 has a relatively thick third hollow portion 46 c having a diameter longer than that of the first hollow portion 46 a on the side closer to the body than the first hollow portion 46 a.

In the core member 44 , an operation rod attachment member ((first) operation rod attachment member 26 ) for attachment to the operation rod body 20 is disposed in the third hollow portion 46 c of the hollow portion 46 . The rod mounting member (the (first) rod mounting member 26 ) is fixed to the front end of the rod body 20 , and the third hollow portion 46 c of the core member 44 is fitted around the (first) rod mounting member 26 . (Second) The operating rod attachment member 28 is inserted into the hollow portion 46, and its proximal side is located in the third hollow portion 46c, and the distal end side is slidably fitted into the first hollow portion 46a. Among them, further, the front end side is stretched toward the front end side in the second hollow portion 46 b than here, and is connected to the columnar core member attachment portion 96 . In this embodiment, the (second) operating rod mounting member 28 is a cylindrical rod, the proximal side is provided with a head whose diameter is thicker than the first hollow part 46a, and its front end is provided with a head whose diameter is the same as the first hollow part 46a. Part 46a is substantially the same rod-shaped body. Therefore, the second hollow portion 46b has a hollow portion between the (second) operation rod attachment member 28 and is configured so that the third elastic member 98 can be fitted therein.

One of the connecting portion on the rod side and the connecting portion on the connected portion side is formed with a first fixing convex portion 60, the first fixing convex portion 60 is used as the fixing mechanism 16 constituting the convex portion, and the other is formed with a The first fixing groove 90, the aforementioned first fixing groove 90 is the fixing mechanism 16 that constitutes a concave portion, and the convex portion and the concave portion are combined and connected.

The above-mentioned fixing mechanism 16 is constituted by the first fixing protrusion (pin) 60 formed on the connecting portion on the side of the rod body and constituting the separation prevention mechanism, The fixing mechanism formed on the second connection member 80 or the fixing mechanism 16 formed on the core member 44 is constituted by the first fixing groove 90, and the first fixing groove 90 is a fixing groove formed on the core member 44. 44 and/or the corresponding position in the second connecting member 80, and constitute a tortuous separation preventing mechanism.

In this embodiment, the core member 44 is provided with a first fixing convex portion (pin) 60 constituting the fixing mechanism 16 on the side of the second connecting portion 42, and a restraining mechanism is formed on the side of the first connecting portion 40. The elastic member 70 of 18 is sandwiched around it.

The connection portion 24 (on the operation rod side) includes a core member 44 fixed at the center of the front end of the operation rod body 20 , and a first connection member 50 is disposed around the core member 44 . Furthermore, the connecting portion 24 (on the side of the operation rod) is provided with a deterrent mechanism 18 around it on the proximal side of the core member 44. Formed in an elastic manner and constituted by an elastic member 70 such as a coil spring. In this first embodiment, an elastic member mounting portion 72 for stopping the front end side of the elastic member 70 is formed on the proximal side of the first coupling member 50 . Furthermore, on the front end side of the operation rod body 20 of the operation rod 12 facing the outer surface of the first connection member 50 near the body side, an elastic member mounting portion 74 for stopping the rear end side of the elastic member 70 is formed. The elastic member 70 constituting the restraining mechanism 18 is configured to apply potential energy to the second coupling member 80 constituting the connected portion from the first coupling member 50 when the tip tool 14 is attached to the operating rod 12 .

The first elastic member 70 constituting the restraining mechanism 18 pushes the first connecting member 50 toward the distal end side when locked, and accordingly pushes the second connecting member 80 toward the distal end side. (type 1, 3, 4)

The stopper mechanism 18 (elastic member 70 ) has a diameter shorter than that of the first connecting member 50 and the elastic member attaching portion 74 , and is configured so as not to pop out from the first connecting member 50 and the elastic member attaching portion 74 . Therefore, the probability that the restraining mechanism 18 will touch other objects during use is quite low.

The first connecting part 40 is configured to form a movement space for a first connecting member 50 described later with the operation rod body 20, and the second connecting part 42 is provided with the first fixing protrusion (pin) 60 to form a The second connecting member 80 that constitutes the connecting portion 32 (on the front end tool side) is inserted around it.

The first connecting member 50 is in the shape of a ring, is inserted and packed around the substantially cylindrical core member 44, and is configured to move freely in the longitudinal direction of the core member 44 and the operation rod body 20, and is configured to be clamped by clamping. The elastic member 70 provided between the proximal side of the first connecting member 50 and the front end side of the operation stick body 20 rebounds toward the front end side. The first fixing protrusion (pin) 60 is formed at the center of the connecting portion 24 (on the operation rod side) so as to extend in the radial direction. The first fixing protrusion (pin) 60 is formed to be movable in the axial direction of the operation rod 12 with the movement of the operation rod 12 relative to the tip tool 14, and is formed to be movable along the axis of the operation rod 12 with the rotation of the operation rod 12. The operating rod 12 is rotated in the circumferential direction.

The coupling portion 32 (on the side of the tip tool) constitutes a mounted portion to be mounted on the operation rod 12 , and is provided with a second coupling member 80 formed so as to be connectable to the coupling portion 24 on the side of the operation rod 12 . The second connection member 80 is formed with a first fixing groove 90 in the area of the side connected to the operation rod 12. The first fixing groove 90 is used as the first fixing protrusion of the connection part 24 arranged on the side of the operation rod 12. Part (pin) 60 stops the fixing mechanism 16. The first fixing groove 90 constitutes the fixing mechanism 16. The fixing mechanism 16 is when the first fixing protrusion (pin) 60 is inserted to connect the connecting part 24 (on the side of the operation rod) and the connecting part 32 (on the side of the tip tool) The first fixing protrusion (pin) 60 is fixed.

The first connecting member 50 and the second connecting member 80 have substantially the same shape or a similar shape. In this embodiment, they have a cylindrical shape with a circular cross section, and the outer diameters have the same or similar dimensions. Therefore, there is almost no drop on the boundary between the second connecting member 80 and the first connecting member 50, and the probability of touching other objects is extremely low.

The joined surfaces of the first connecting member 50 and the second connecting member 80 are closely joined, and the first connecting member 50 is configured to push the second connecting member by the potential energy given by the restraining mechanism 18 (elastic member 70). 80. In this embodiment, the front end surface 50E of the first coupling member 50 is a plane perpendicular to the axial direction, and the rear end surface 80E of the second coupling member 80 is a plane orthogonal to the axial direction. Therefore, the front end surface 50E of the first connection member 50 is in close contact with the rear end surface 80E of the second connection member 80 .

The elastic member installation part 72 of the rear end of the first connecting member 50 is that the surface facing the elastic member installation part 74 is a plane perpendicular to the axial direction; The direction is perpendicular to the plane, and the restraining mechanism 18 (elastic member 70) sandwiched therebetween can impart potential energy to the first member 50 so as to be parallel to the axial direction.

The diameter of the restraining mechanism 18 (elastic member 70 ) is shorter than that of the first connection member 50 and the elastic member attachment portion 74 , and is configured so as not to be detached from the first connection member 50 and the elastic member attachment portion 74 .

The first fixing groove 90 has a first groove portion 90A opening toward the operation rod 12 , a second groove portion 90B opening continuously to the first groove portion 90A, and a third groove portion 90C opening continuously to the second groove portion 90B. The first groove portion 90A extends in the longitudinal direction, the second groove portion 90B extends in the circumferential direction, and the third groove portion 90C extends in the longitudinal direction to form a tailless path. The first fixing groove 90 is formed in an L-shape in plan view, and is configured so that the first fixing protrusion (pin) 60 stops in the third groove 90C and does not move when the tip tool 14 is attached to the operation rod 12 . The first fixing groove 90 has a depth at which the head of the first fixing protrusion (pin) 60 is inserted slightly protrudes, and a width at which the shaft of the first fixing protrusion (pin) 60 is inserted can move.

With the above configuration, the second connecting member 80 is in the groove bottom of the third groove portion 90C, in the second connecting portion 42 of the first connecting portion 40 connected to the operation rod main body 20, through the elastic member 70 and the second connecting member 80. The potential energy given by the elastic member 76 pushes the fixing mechanism 16 (first fixing convex portion (pin) 60 ) protruding in the radial direction and fixing it toward the front end side (attached portion) so that the third groove portion 90C is aligned with the fixing mechanism 16 . (the first fixing protrusion (pin) 60 ) are engaged with each other, so that the second coupling member 80 does not move in the direction of unlocking.

The first fixing protrusion (pin) 60 protrudes toward the diameter direction of the first coupling member 50, and the head of the first fixing groove 90 provided with the embedded first fixing protrusion (pin) 60 protrudes slightly. and the movable width of the shaft portion of the first fixed protrusion (pin) 60 that has been embedded.

The first groove portion 90A is stretched in such a way that the fixing mechanism 16 (first fixing convex portion (pin) 60 ) can advance toward the tip side, that is, the operation rod 12 is pulled toward the direction to be connected to the tip tool 14 , and In this embodiment, it is constituted by grooves parallel to the axial direction.

The second groove portion 90B has a length that allows the fixing mechanism 16 (first fixing protrusion (pin) 60 ) that advances in the radial direction from the first groove portion 90A to advance again to a position where it does not return to the first groove portion 90A. In this embodiment, , composed of grooves perpendicular to the axial direction.

The first groove portion 90A, the second groove portion 90B, and the third groove portion 90C are grooves having approximately the same width, and each of them is constituted by a groove bent in an L-shape. These widths and depths are configured so that the first fixing protrusion (pin) 60 and the second fixing protrusion (plunger) 62 advance in the pulling direction of the groove in a state where the first fixing protrusion (pin) 60 and the second fixing protrusion (plug) 62 are fitted.

The third groove portion 90C is formed without a tail, and can be stretched in such a way that the fixing mechanism 16 (first fixing convex portion (pin) 60 ) is advanced toward the body side, that is, the operation rod 12 is moved toward the front end tool 14. The side opposite to the direction of connection is stretched, and the fixing mechanism 16 (first fixing protrusion (pin) 60 ) advanced along the second groove 90B to a position where it does not move in the radial direction no longer faces the side opposite to the direction of connection. go ahead.

The fixing mechanism 16 (the first fixing convex portion (pin) 60 ) is fixed to the concave portion constituting the second connecting portion 42 , and the portion protruding from the outer surface of the concave portion constituting the second connecting portion 42 functions as a fixing convex portion. part.

The second coupling member 80 constitutes an attached portion mounted on the (tip) tool portion 30 and connected to the operation rod 12 , and includes: a first coupling portion 82 as a tip tool mounting portion mounted on the (tip) tool portion 30 ; and The second connecting portion 84 is thicker than the first connecting portion 82 which is the aforementioned tip tool attachment portion. The first connection portion 82 is a mounting portion fitted to the (tip) tool portion 30 , and is fixed to the (tip) tool portion 30 by an appropriate fixture such as a pin or the like. The second connection portion 84 constitutes a hollow core member attachment portion, and has a rod side connection portion attachment hole 94 fitted in the core member 44 formed therein. In the second connection portion 84 , a columnar core member attachment portion 96 is provided in the rod side connection portion attachment hole 94 . The columnar core member mounting portion 96 is an annular hollow portion 46 inserted between the second connecting portion 42 of the core member 44 and the (second) operating rod mounting member 28, and is connected to the aforementioned (second) operating rod. The front end sides of the mounting member 28 are connected in contact with each other.

(Second) The operation rod attachment member 28 is arranged in series with the columnar core member attachment portion 96 and is attached to the second connection portion 42 of the core member 44 . The columnar core member attachment portion 96 is configured to abut against the proximal side of the second coupling member 80 , and is located between the proximal end of the columnar core member attachment portion 96 and the aforementioned hollow portion 46 . The second elastic member 76 is disposed in the second hollow portion 46b between the boundary wall portions of the first hollow portion 46a. The second elastic member 76 is formed by a coil spring or the like, and is formed so as to rebound the columnar core member attachment portion 96 toward the proximal side or the distal end side.

The second elastic member 76 constituting the restraining mechanism 18 is compressed to press the core member attaching portion 96 and the second connecting portion 84 toward the front end side during locking. (Form 1~3) The second elastic member 76 always pushes the core member mounting part 96 and the second connecting part 84 toward the front end side, and in the locked state, in a slightly compressed state, the second connecting member 80 is moved closer to the body by releasing the action. When pulled sideways, it becomes a tighter state.

As shown in FIG. 3(B) , the columnar core member attachment portion 96 is fitted into the hollow portion 46 of the second connection portion 42 and fixed to the (second) operation rod attachment member 28 with a set screw 28 a.

The columnar core member mounting portion 96 has a shape to be inserted into the second hollow portion 46b formed in the hollow portion provided in the second connecting portion 42, and in this embodiment, it is configured to be A cylindrical shape that slides in the aforementioned cavity. The columnar core member mounting part 96 is pierced with a bottomed hole configured so that the (second) operating rod mounting member 28 can be fitted on the near side, and is configured to accommodate the (second) operating rod mounting member 28 . 28 is connected to a columnar core member mounting portion 96 .

The columnar core member mounting portion 96 has a shape to be inserted into the second hollow portion 46b formed in the hollow portion provided in the second connecting portion 42, and in this embodiment, it is configured to be A cylindrical shape that slides in the aforementioned cavity. The columnar core member mounting part 96 is pierced with a bottomed hole configured so that the (second) operating rod mounting member 28 can be fitted on the near side, and is configured to accommodate the (second) operating rod mounting member 28 . 28 is connected to a columnar core member mounting portion 96 .

(2nd) The operating rod mounting member 28 extends from the columnar core member mounting portion 96 toward the body side, the second elastic member 76 is sandwiched around it, and the head protruding from the third hollow portion 46c is fixed to the third hollow portion 46c. The 1 hollow part 46a is bridged in the 2nd hollow part 46b.

The first connecting member 50 and the second connecting member 80 have substantially the same shape or a similar shape. In this embodiment, they have a cylindrical shape with a circular cross section, and the outer diameters have the same or similar dimensions. Therefore, there is almost no drop at the boundary between the second connecting member 80 and the first connecting member 50, and the probability of touching other objects is quite low.

The joint surfaces of the first connecting member 50 and the second connecting member 80 are tightly joined, and the first connecting member 50 is configured to be pushed with a uniform force by the potential energy given by the restraining mechanism 18 (elastic member 70). The second connecting member 80 .

The elastic member installation part 72 of the rear end of the first connecting member 50 is that the surface facing the elastic member installation part 74 is a plane perpendicular to the axial direction; The direction is perpendicular to the plane, and the restraining mechanism 18 (elastic member 70) configured to be sandwiched between them can give potential energy to the first member 50 by a force parallel to the axial direction.

The first connection member 50 is arranged on the operation rod 12 so as to be movable in the axial direction of the operation rod 12, and is fixed to the operation rod 12 side of the second connection member 80 when the tip tool 14 is attached to the operation rod 12. The area controls the movement of the second connecting member 80 and is formed so as to prevent the aforementioned (operating rod side) connecting portion 24 from detaching from the first fixing groove 90 of the aforementioned second connecting member 80 . The first connecting member 50 has a fixing mechanism 16 for controlling the movement of the second connecting member 80 .

The fixing mechanism 16 of the core member 44 is provided with a male thread portion 48 on the outer periphery of the area where the first connecting member 50 is loaded and interposed therebetween. On the other hand, the fixing mechanism of the first connecting member 50 Indicated at 16 is a female screw portion 58 provided in the cylinder in the region interposed between the core member 44 . The fixing mechanism 16 of the first connecting member 50 is screwed with the fixing mechanism 16 of the core member 44, and the first connecting member 50 is rotated so that it can move in the longitudinal direction of the operation bar 12. By the first connecting member 50 , the second coupling member 80 can be stopped at a position suitable for pushing.

In this embodiment, the operating rod body 20 of the operating rod 12 is a rod body with a substantially circular cross section, and the first connecting portion 40 and the second connecting portion 42 of the core member 44 are rod-shaped bodies with a substantially circular cross section. The first coupling member 50 is an annular body having a substantially circular cross section, and the second coupling member 80 is an annular body having a substantially circular cross section. In addition, the operation rod body 20, the core member 44, the first connection member 50, and the second connection member 80 of the operation rods 12 are arranged concentrically with the center line extending in the axial direction of the rod body. The first connecting member 50 is arranged around the second connecting portion 42 of the core member 44 , the second connecting member 80 is arranged around the front end side of the core member 44 , and the end of the first connecting member 50 on the front end side The edge is formed so as to face the end edge on the proximal side of the second connection member 80 .

Next, regarding the operation method, it is assumed that the overhead distribution line bypass circuit is formed by using the insulating operating rod 12 with the connection structure 10 of the embodiment, so the front end of the indirect live line connected to the front end is operated by the insulating operating rod 12 The situation of tool 14 is explained as follows. First, as shown in FIGS. 1 and 2 , in order to install the front-end tool 14 for indirect live line work on the front end of the insulating operating rod 12, the operator places the insulating operating rod 12 (operating rod 12) that constitutes the connection structure 10 side) connecting portion 24 is connected to the (tip tool side) connecting portion 32 of the tip tool 14 . Specifically, the axis of the connecting portion 24 on the side of the operating rod 12 (on the side of the operating rod) coincides with the axis of the connecting portion 32 on the side of the end tool 14 (on the side of the end tool), and the first fixing protrusion (pin) 60 It is aligned with the first groove portion 90A of the first fixing groove 90 . Next, move the operating rod 12 toward the tip tool 14 side, insert the first fixing protrusion (pin) 60 into the second groove portion 90B of the first fixing groove 90, and when it reaches the groove on the tip tool 14 side of the second groove portion 90B, wall, the operating rod 12 is rotated in the circumferential direction, and the first fixing convex portion (pin) 60 is advanced along the groove of the second groove portion 90B toward the third groove portion 90C. When the connection structure 10 has reached the mouth of the third groove 90C, that is, when it has reached the end of the second groove 90B, the operating rod 12 is pulled back from the front end tool 14 side to the side near the body, and the first fixing protrusion ( pin) 60 is fitted into the third groove portion 90C. Therefore, by rotating the first connecting member 50, the first connecting member 50 is moved in the longitudinal direction of the operation rod 12 through the action of the male thread portion 48 of the first connecting member 50 and the female thread portion 58 of the core member 44. , and move to the position where the second connecting member 80 is pushed by the first connecting member 50, so that the connecting portion 24 of the operating rod 12 (on the operating rod side) and the connecting portion 32 of the front end tool 14 (on the front end tool side) are stabilized connected.

Next, in the connecting structure 10, when releasing the locking of the connecting portion 24 (on the operating rod side) of the operating rod body 20 and the connecting portion 32 (on the front end tool side) of the tool portion (the front end tool portion) 30, it is mainly based on Figure 4 to illustrate. At this time, the first coupling member 50 is rotated to unscrew the engagement between the male threaded portion 48 and the female threaded portion 58 to move toward the body. Next, move the connecting portion 24 (on the side of the operating rod) of the operating rod body 20 to the front end (use the second connecting member 80 to push the first connecting member 50 toward the near body side), so that the first connecting member 50 constituting the fixing mechanism 16 1 When the fixing protrusion (pin) 60 is disengaged from the third groove 90C, and the operating rod 12 is rotated, the first fixing protrusion (pin) 60 is moved along the second groove 90B and positioned at the first groove 90A of the first fixing groove 90 , the operating rod 12 is moved to the near side, and the first fixing protrusion (pin) 60 is disengaged from the first fixing groove 90, whereby the connecting portion 24 of the operating rod 12 (on the operating rod side) and the front end tool 14 The connecting part 32 (on the front end tool side) is separated.

(Second Embodiment)

Next, the connection structure of the second embodiment which is a modified example of the first embodiment will be described mainly with reference to FIGS. 10 to 15 . In addition, in the description of the connection structure of the second embodiment which is a modified example of the first embodiment, the same components and elements as those of the connection structure 10 of the first embodiment shown in FIGS. 1 to 9 are attached. symbols, and descriptions of common constituents and elements are omitted. Hereinafter, the characteristic structural requirements and elements of the connection structure of the modified example of the first embodiment will be described.

The connection structure 10 according to the second embodiment of the present invention is a connection structure in which the operation rod 12 constituting the rod body is connected to the connection portion constituting the front end tool 14 of the connected portion connected to the operation rod 12 .

The operating rod 12 has: a long cylindrical operating rod body 20; a grip part 22 attached to the rear end of the operating rod body 20, that is, the near side; and a connecting part 24 (on the operating rod side) formed on the operating rod body The front end side of 20 is an area mounted on the side of the front end tool 14 .

Front-end tools 14 such as tools for indirect live line construction are constituted by, for example, a stripping machine, clamps, locking tools, etc. for stripping the insulating coating of overhead power distribution lines in a live line state. The tip tool 14 is provided with: a tool part 30 directly contacting electric wires, etc.;

The connecting portion 24 on the side of the rod, that is, the operating rod 12, and the connecting portion 32 on the side of the connected portion are arranged side by side concentrically with the center line extending in the axial direction of the rod, and a convex portion is formed on one of them, and a convex portion is formed on the other. One of them is formed with a concave portion, and is configured so that the convex portion and the concave portion are combined and connected. In this embodiment, the core member 44 constituting a convex portion is formed in the coupling portion 24 (on the operation rod side), and the rod side coupling portion mounting hole 94 constituting a concave portion is formed in the coupling portion 32 (on the tip tool side). The core member 44 is a rod-shaped body with a substantially circular cross-section, and the rod-side connecting portion mounting hole 94 is an annular body with a substantially circular cross-section. In order to combine the core member 44 with the connecting portion mounting hole 94 on the rod body side, the connecting portion 24 on the side of the operating rod 12 is connected to the connecting portion 32 on the side of the connected portion.

The fixing mechanism 16 for fixing the tip tool 14 is provided in the area of the operation rod 12 on the side connected to the tip tool 14, and the fixing mechanism 16 constitutes a separation preventing mechanism for preventing separation of those connected by the connection structure. Furthermore, the operation rod 12 is equipped with a restraining mechanism 18 in the area on the side connected to the front end tool 14. The aforementioned restraint mechanism 18 restrains the movement of the connection between the operation rod 12 and the front end tool 14, and constitutes a structure to prevent A separation prevention mechanism that separates those connected by the connection structure.

The connection portion 24 of the aforementioned operation rod 12 constituting the connection portion of the rod body is constituted by a core member 44 and the like, and a first connection portion 40 thinner than the operation rod body 20 is formed on the side connected to the operation rod body 20 . The first connecting portion 40 is connected to the front end tool 14 side with a second connecting portion 42 thicker than the first connecting portion 40 .

The core member 44 constituting the connecting portion 24 (on the side of the operating rod) of the operating rod body 20 is connected to the operating rod through the operating rod mounting member (the (first) operating rod mounting member 26 and the fixing pin 26a and the fixing pin 26b). The body 20 is connected.

(1st) The operation rod mounting member 26 and the core member 44, in this embodiment, as shown in FIG. 7 and FIG. pin 26a and fixed pin 26b to fix. The first connecting portion 40 of the core member 44 is fitted around the (first) rod mounting member 26 , fitted into the recessed portion 20 a provided at the front end of the rod body 20 , and fixed to the rod body 20 .

The connection part 24 (on the operation stick side) is equipped with the core member 44 which comprises the 1st connection part 40 and the 2nd connection part 42 in this embodiment. The core member 44 has a hollow cylindrical shape, and is disposed around the aforementioned operation rod attachment members (the (first) operation rod attachment member 26 and the (second) operation rod attachment member 28 ).

In this embodiment, the core member 44 constitutes the first connecting portion 40 on the proximal side, and the first connecting portion 40 is formed as a columnar portion thinner than the operating rod body 20 in such a manner as to be attached to the operating rod body 20 . , The front end side constitutes the second connecting portion 42, and the above-mentioned second connecting portion 42 is formed by a thick cylindrical portion that is thicker than the first connecting portion 40 that is thinner on the proximal side.

The core member 44 has a hollow portion 46 penetrating in the longitudinal direction and having a hollow annular shape. The hollow portion 46 is formed with a first hollow portion 46a that is elongated and constricted at its approximate center, and has a thicker and longer diameter than the first hollow portion 46a on the front end side than the first hollow portion 46a. 2nd hollow part 46b. Furthermore, the hollow portion 46 has a relatively thick third hollow portion 46 c having a diameter longer than that of the first hollow portion 46 a on the side closer to the body than the first hollow portion 46 a.

In the core member 44 , an operation rod attachment member ((first) operation rod attachment member 26 ) for attachment to the operation rod body 20 is disposed in the third hollow portion 46 c of the hollow portion 46 . The rod mounting member (the (first) rod mounting member 26 ) is fixed to the front end of the rod body 20 , and the third hollow portion 46 c of the core member 44 is fitted around the (first) rod mounting member 26 . (Second) The operating rod attachment member 28 is inserted into the hollow portion 46, and its proximal side is located in the third hollow portion 46c, and the distal end side is slidably fitted into the first hollow portion 46a. among Furthermore, the front end side is stretched toward the front end side in the second hollow portion 46 b than here, and is connected to the columnar core member attachment portion 96 . In this embodiment, the (second) operating rod mounting member 28 is a cylindrical rod, the proximal side is provided with a head whose diameter is thicker than the first hollow part 46a, and its front end is provided with a head whose diameter is the same as the first hollow part 46a. Part 46a is substantially the same rod-shaped body. Therefore, the second hollow portion 46b is a hollow portion left between the (second) operation rod attachment member 28 and is configured so that the second elastic member can be fitted therein.

One of the connecting portion on the rod body side and the connecting portion on the connected portion side has a convex portion 62c, and the other has a concave portion 92a, and the convex portion 62c and the concave portion 92a are combined and connected.

The above-mentioned fixing mechanism 16 is constituted by the first fixing protrusion (pin) 60 formed on the connecting portion on the side of the rod body and constituting the separation prevention mechanism, The fixing mechanism formed on the aforementioned second connecting member 80 or the fixing mechanism formed on the core member 44 is constituted by a fixing groove, and the aforementioned fixing groove is formed at a corresponding position in the aforementioned core member 44 and/or the second connecting member 80 , and constitute a tortuous separation prevention mechanism.

In the core member 44 in this embodiment, the first fixing convex portion (pin) 60 constituting the fixing mechanism 16 is attached to the side of the second connecting portion 42 . Moreover, the elastic member 70 which comprises the restraint mechanism 18 may be interposed on the side of the 1st connection part 40 around it.

The connecting portion 24 (on the side of the operating rod) is provided with a first connecting member 50 . In the second embodiment, the connecting portion 24 (on the operating rod side) is not provided with the elastic member 70 constituting the restraining mechanism 18 , but may be provided on the proximal side of the core member 44 . An elastic member mounting portion 72 for stopping the front end side of the elastic member 70 is formed on the proximal side of the first connecting member 50 . Furthermore, the operating rod body 20 of the operating rod 12 is formed with an elastic member mounting portion 74 for stopping the rear end side of the elastic member 70 on the front end thereof on the side facing the outer surface of the first coupling member 50 on the proximal side. The elastic member 70 constituting the restraining mechanism 18 may be configured so as to impart potential energy to the second coupling member 80 from the first coupling member 50 when the tip tool 14 is attached to the manipulation rod 12 .

The connection portion 24 (on the operation rod side) includes a core member 44 fixed at the center of the front end of the operation rod body 20 , and a first connection member 50 is disposed around the core member 44 . Furthermore, the coupling portion 24 (on the side of the operation rod) is provided with a restraining mechanism 18 around it on the proximal side of the core member 44, and the foregoing restraining mechanism 18 is formed so as to extend from the proximal side of the operation rod 12 toward the tip tool 14. The elastic member 70 such as the coil spring of side resilience constitutes. The first connecting part 40 is configured to form a movement space for a first connecting member 50 described later with the operation rod body 20, and the second connecting part 42 is provided with the first fixing protrusion (pin) 60 to form a The second connecting member 80 constituting the connecting portion 32 (on the side of the tip tool) is fitted around the second connecting member 80 .

The first coupling member 50 is annular, is fitted around the substantially cylindrical core member 44 , and is configured to spirally rotate in the longitudinal direction of the core member 44 and the operating rod body 20 . It is configured to rebound toward the front end side by the elastic member 70 (not shown) interposed between the proximal side of the first coupling member 50 and the front end side of the operation stick body 20 . The first fixing protrusion (pin) 60 is formed at the center of the connecting portion 24 (on the operation rod side) so as to extend in the radial direction. The first fixing protrusion (pin) 60 is formed to be movable in the axial direction of the operation rod 12 and to be rotatable in the circumferential direction of the operation rod 12 as the operation rod 12 moves relative to the tip tool 14 .

The coupling portion 32 (on the side of the tip tool) constitutes a mounted portion to be mounted on the operation rod 12 , and is provided with a second coupling member 80 formed so as to be connectable to the coupling portion 24 on the side of the operation rod 12 . The second connecting member 80 is formed with a first fixing groove 90 in the area of the side connected to the operation rod 12. The first fixing groove 90 is to stop the first fixing protrusion (pin) 60, and the first fixing protrusion (pin) 60 is stopped. The pin) 60 is the connecting portion 24 arranged on the side of the operating rod 12 . The first fixing groove 90 constitutes the fixing mechanism 16. The fixing mechanism 16 is when the first fixing protrusion (pin) 60 is inserted to connect the connecting part 24 (on the side of the operation rod) and the connecting part 32 (on the side of the tip tool) The first fixing protrusion (pin) 60 is fixed.

The first fixing groove 90 has a first groove portion 90A opening toward the operation rod 12 , a second groove portion 90B opening continuously to the first groove portion 90A, and a third groove portion 90C opening continuously to the second groove portion 90B. The first groove portion 90A extends in the longitudinal direction, the second groove portion 90B extends in the circumferential direction, and the third groove portion 90C extends in the longitudinal direction to form a tailless path. The first fixing groove 90 is formed in an L-shape in plan view, and is configured so that the first fixing protrusion (pin) 60 stops in the third groove 90C and does not move when the tip tool 14 is attached to the operation rod 12 . The first fixing groove 90 has a depth at which the head of the first fixing protrusion (pin) 60 is inserted slightly protrudes, and a width at which the shaft of the first fixing protrusion (pin) 60 is inserted can move.

With the above configuration, the second connecting member 80 is in the groove bottom of the third groove portion 90C, in the second connecting portion 42 of the first connecting portion 40 connected to the operation rod main body 20, through the elastic member 70 and the second connecting member 80. The potential energy given by the elastic member 76 pushes the fixing mechanism 16 (the first fixing convex portion (pin) 60 ) protruding in the radial direction and fixing it toward the front end side (mounted portion) so that the third groove portion 90C is aligned with the fixing mechanism 16. (the first fixing protrusion (pin) 60 ) are engaged with each other, so that the second coupling member 80 does not move in the direction of unlocking.

The first fixing protrusion (pin) 60 protrudes in the radial direction of the first coupling member 50 , The aforementioned first fixing groove 90 is provided with: the depth at which the head of the aforementioned embedded first fixing protrusion (pin) 60 protrudes slightly; and the shaft portion of the aforementioned embedded first fixing protrusion (pin) 60 can move width.

The second coupling member 80 constitutes an attached portion mounted on the (tip) tool portion 30 and connected to the operation rod 12 , and includes: a first coupling portion 82 as a tip tool mounting portion mounted on the (tip) tool portion 30 ; and The second connecting portion 84 is thicker than the first connecting portion 82 which is the aforementioned tip tool attachment portion. The first connection portion 82 is a mounting portion fitted to the (tip) tool portion 30 and is fixed to the (tip) tool portion 30 with an appropriate fixture such as a pin. The second connection portion 84 constitutes a hollow core member attachment portion, and has a rod side connection portion attachment hole 94 fitted in the core member 44 formed therein. In the second connection portion 84 , a columnar core member attachment portion 96 is provided in the rod side connection portion attachment hole 94 . The columnar core member mounting portion 96 is an annular hollow portion 46 inserted between the second connecting portion 42 of the core member 44 and the (second) operating rod mounting member 28, and is connected to the aforementioned (second) operating rod. The front end sides of the mounting member 28 are connected in contact with each other.

(Second) The operation rod attachment member 28 is arranged in series with the columnar core member attachment portion 96 and is attached to the second connection portion 42 of the core member 44 . The columnar core member attachment portion 96 is configured to abut against the proximal side of the second coupling member 80 , and is located between the proximal end of the columnar core member attachment portion 96 and the aforementioned hollow portion 46 . The second hollow portion 46b between the boundary wall portions of the first hollow portion 46a is provided with a second elastic member 76 such as a coil spring. The second elastic member 76 is formed so that the columnar core member mounting portion 96 faces Close side or front side rebound. The second elastic member 76 may also be omitted.

As shown in FIG. 10 , the columnar core member attachment portion 96 is fitted into the hollow portion 46 of the second connection portion 42 and fixed to the (second) operation rod attachment member 28 with a set screw 28 a.

Furthermore, the columnar core member mounting portion 96 is a recessed portion penetrated in the rod-side connecting portion mounting hole 94 of the second connecting member 80 at its front end side, and a third elastic member 98 such as a coil spring is disposed thereon. The third elastic member 98 is formed to spring back from the tip tool 14 side toward the operation rod 12 side. The third elastic member 98 may be fixed to the front end side of the columnar core member mounting portion 96, and may be fitted and fixed to the recessed portion 32a formed in the center of the coupling portion 32 (on the front end tool side).

The third elastic member 98 constituting the restraining mechanism 18 presses the second coupling member 80 toward the front end side when locked. (Form 2)

The first connecting member 50 is arranged on the operating rod 12 so as to be movable in the axial direction of the operating rod 12, and when the tip tool 14 is attached to the operating rod 12, it is formed to be fixed to the second connecting member 80 for operation. The region on the rod 12 side controls the movement of the second connecting member 80 so as to prevent the aforementioned (operating rod side) connecting portion 24 from detaching from the first fixing groove 90 of the second connecting member 80 . The first connecting member 50 has a fixing mechanism 16 in order to control the movement of the second connecting member 80 .

The fixing mechanism 16 of the core member 44 is constituted by a male thread portion 48, and the above-mentioned male thread portion 48 is filled with the first connecting member 50 and is arranged on the outer periphery of the region where the first connecting member 50 is interposed. The fixing mechanism 16 of the first connection member 50 is constituted by a female thread portion 58 provided in a cylinder in a region sandwiched by the core member 44 . The female thread portion 58 of the fixing mechanism 16 constituting the first connection member 50 is screwed to the male thread portion 48 of the fixing mechanism 16 constituting the core member 44, and by turning the first connection member 50, the long side of the operating rod 12 can be rotated. direction, and can be stopped at a position suitable for pushing the second connecting member 80 by the first connecting member 50 .

In this embodiment, the operating rod body 20 of the operating rod 12 is a rod body with a substantially circular cross section, and the first connecting portion 40 and the second connecting portion 42 of the core member 44 are rod-shaped bodies with a substantially circular cross section. The first coupling member 50 is an annular body having a substantially circular cross section, and the second coupling member 80 is an annular body having a substantially circular cross section. In addition, the operation rod body 20, the core member 44, the first connection member 50, and the second connection member 80 of the operation rods 12 are arranged concentrically with the center line extending in the axial direction of the rod body. The first connecting member 50 is arranged around the second connecting portion 42 of the core member 44 , the second connecting member 80 is arranged around the front end side of the core member 44 , and the end of the first connecting member 50 on the front end side The edge is formed so as to face the end edge on the proximal side of the second connection member 80 .

Secondly, regarding the operation method, it is assumed that the overhead distribution line bypass circuit is formed by using the insulating operating rod 12 equipped with the connection structure 10 of the embodiment, so the indirect live line connected to the front end is operated by the insulating operating rod 12 The situation of the front-end tool 14 is explained as follows. First, as shown in FIGS. 10 and 11 , in order to install the front-end tool 14 for indirect wire work on the front end of the insulating operating rod 12 , the operator places one of the insulating operating rods 12 that constitutes the connection structure 10 (the operating rod side) connecting portion 24 is connected to the (tip tool side) connecting portion 32 of the tip tool 14 . Specifically, the axis of the connecting portion 24 on the side of the operating rod 12 (on the side of the operating rod) coincides with the axis of the connecting portion 32 on the side of the end tool 14 (on the side of the end tool), and the first fixing protrusion (pin) 60 It is aligned with the first groove portion 90A of the first fixing groove 90 . Next, move the operating rod 12 toward the tip tool 14 side, insert the first fixing protrusion (pin) 60 into the second groove portion 90B of the first fixing groove 90, and when it reaches the groove on the tip tool 14 side of the second groove portion 90B, wall, the operating rod 12 is rotated in the circumferential direction, and the first fixing convex portion (pin) 60 is advanced along the groove of the second groove portion 90B toward the third groove portion 90C. When the connection structure 10 has reached the mouth of the third groove 90C, that is, when it has reached the end of the second groove 90B, the operating rod 12 is pulled back from the front end tool 14 side to the side near the body, and the first fixing protrusion ( pin) 60 is fitted into the third groove portion 90C. Therefore, by rotating the first connecting member 50, the first connecting member 50 is moved in the longitudinal direction of the operation rod 12 through the action of the male thread portion 48 of the first connecting member 50 and the female thread portion 58 of the core member 44. , and move to the position where the second connecting member 80 is pushed by the first connecting member 50, so that the connecting portion 24 of the operating rod 12 (on the operating rod side) and the connecting portion 32 of the front end tool 14 (on the front end tool side) are stabilized connected.

Next, in the connecting structure 10, when releasing the locking of the connecting portion 24 (on the operating rod side) of the operating rod body 20 and the connecting portion 32 (on the front end tool side) of the tool portion (the front end tool portion) 30, it is mainly based on Figure 11 to illustrate. At this time, the first coupling member 50 is rotated to unscrew the engagement between the male threaded portion 48 and the female threaded portion 58 to move toward the body. Next, move the connecting portion 24 (on the side of the operating rod) of the operating rod body 20 to the front end (use the second connecting member 80 to push the first connecting member 50 toward the near body side), so that the first connecting member 50 constituting the fixing mechanism 16 1. When the fixing convex portion (pin) 60 is disengaged from the third groove portion 90C, and the operating rod 12 is rotated, the first fixing convex portion (pin) 60 is moved along the second groove portion 90B and positioned at the first groove portion 90A of the first fixing groove 90, Move the operating rod 12 to the side near the body, and the first fixing convex part (pin) 60 is separated from the first fixing groove 90, so that the connecting part 24 of the operating rod 12 (on the operating rod side) and the front end tool 14 can be connected. (on the front end tool side) the connecting portion 32 is separated.

(third embodiment)

Next, the connection structure of the third embodiment which is a modified example of the first embodiment will be described mainly based on FIGS. 16 to 21 . In addition, in the description of the connection structure of the second embodiment which is a modified example of the first embodiment, the same components and elements as those of the connection structure 10 of the first embodiment shown in FIGS. 1 to 9 are attached. symbols, and descriptions of common constituents and elements are omitted. Hereinafter, the characteristic structural requirements and elements of the connection structure of the modified example of the first embodiment will be described.

The connection structure 10 according to the third embodiment of the present invention is a connection structure in which the operation rod 12 constituting the rod body is connected to the connection portion constituting the front end tool 14 of the connected portion connected to the operation rod 12 .

The operating rod 12 has: a long cylindrical operating rod body 20; a grip part 22 attached to the rear end of the operating rod body 20, that is, the near side; and a connecting part 24 (on the operating rod side) formed on the operating rod body The front end side of 20 is an area mounted on the side of the front end tool 14 .

Front-end tools 14 such as tools for indirect live line construction are constituted by, for example, a stripping machine, clamps, locking tools, etc. for stripping the insulating coating of overhead power distribution lines in a live line state. The tip tool 14 is provided with: a tool part 30 directly contacting electric wires, etc.;

The connecting portion 24 on the side of the rod, that is, the operating rod 12, and the connecting portion 32 on the side of the connected portion are arranged side by side concentrically with the center line extending in the axial direction of the rod, and a convex portion is formed on one of them, and a convex portion is formed on the other. One of them is formed with a concave portion, and is configured so that the convex portion and the concave portion are combined and connected. In this embodiment, the core member 44 constituting a convex portion is formed in the coupling portion 24 (on the operation rod side), and the rod side coupling portion mounting hole 94 constituting a concave portion is formed in the coupling portion 32 (on the tip tool side). The core member 44 is a rod-shaped body with a substantially circular cross-section, and the rod-side connecting portion mounting hole 94 is an annular body with a substantially circular cross-section. In order to combine the core member 44 with the connecting portion mounting hole 94 on the rod body side, the connecting portion 24 on the side of the operating rod 12 is connected to the connecting portion 32 on the side of the connected portion.

The fixing mechanism 16 for fixing the tip tool 14 is provided in the area of the operation rod 12 on the side connected to the tip tool 14, and the fixing mechanism 16 constitutes a separation preventing mechanism for preventing separation of those connected by the connection structure. Furthermore, the operation rod 12 is equipped with a restraining mechanism 18 in the area on the side connected to the front end tool 14. The aforementioned restraint mechanism 18 restrains the movement of the connection between the operation rod 12 and the front end tool 14, and constitutes a structure to prevent A separation prevention mechanism that separates those connected by the connection structure.

The connection portion 24 of the aforementioned operation rod 12 constituting the connection portion of the rod body is constituted by a core member 44 and the like, and a first connection portion 40 thinner than the operation rod body 20 is formed on the side connected to the operation rod body 20 . The first connecting portion 40 is connected to the front end tool 14 side with a second connecting portion 42 thicker than the first connecting portion 40 .

The core member 44 constituting the connecting portion 24 (on the side of the operating rod) of the operating rod body 20 is connected to the operating rod through the operating rod mounting member (the (first) operating rod mounting member 26 and the fixing pin 26a and the fixing pin 26b). The body 20 is connected.

(1st) The operation rod mounting member 26 and the core member 44, in this embodiment, as shown in FIG. 17 and FIG. pin 26a and fixed pin 26b to fix. The first connecting portion 40 of the core member 44 is fitted around the (first) rod mounting member 26 , fitted into the recessed portion 20 a provided at the front end of the rod body 20 , and fixed to the rod body 20 .

The connection part 24 (on the operation stick side) is equipped with the core member 44 which comprises the 1st connection part 40 and the 2nd connection part 42 in this embodiment. The core member 44 has a hollow cylindrical shape, and is disposed around the aforementioned operation rod attachment members (the (first) operation rod attachment member 26 and the (second) operation rod attachment member 28 ).

In this embodiment, the core member 44 constitutes the first connecting portion 40 on the proximal side, and the first connecting portion 40 is formed as a columnar portion thinner than the operating rod body 20 in such a manner as to be attached to the operating rod body 20 . , The front end side constitutes the second connecting portion 42, and the above-mentioned second connecting portion 42 is formed by a thick cylindrical portion that is thicker than the first connecting portion 40 that is thinner on the proximal side.

The core member 44 has a hollow portion 46 penetrating in the longitudinal direction and having a hollow annular shape. The hollow portion 46 is formed with a first hollow portion 46a that is elongated and constricted at its approximate center, and has a thicker and longer diameter than the first hollow portion 46a on the front end side than the first hollow portion 46a. 2nd hollow part 46b. Furthermore, the hollow portion 46 has a relatively thick third hollow portion 46 c having a diameter longer than that of the first hollow portion 46 a on the side closer to the body than the first hollow portion 46 a.

In the core member 44 , an operation rod attachment member ((first) operation rod attachment member 26 ) for attachment to the operation rod body 20 is disposed in the third hollow portion 46 c of the hollow portion 46 . The rod mounting member (the (first) rod mounting member 26 ) is fixed to the front end of the rod body 20 , and the third hollow portion 46 c of the core member 44 is fitted around the (first) rod mounting member 26 . (Second) The operating rod attachment member 28 is inserted into the hollow portion 46, and its proximal side is located in the third hollow portion 46c, and the distal end side is slidably fitted into the first hollow portion 46a. Among them, further, the front end side is stretched toward the front end side in the second hollow portion 46 b than here, and is connected to the columnar core member attachment portion 96 . In this embodiment, the (second) operating rod mounting member 28 is a cylindrical rod, the proximal side is provided with a head whose diameter is thicker than the first hollow part 46a, and its front end is provided with a head whose diameter is the same as the first hollow part 46a. Part 46a is substantially the same rod-shaped body. Therefore, the second hollow portion 46b has a hollow portion between the (second) operation rod attachment member 28 and is configured so that the third elastic member 98 can be fitted therein.

In the core member 44 in this embodiment, the first fixing convex portion (pin) 60 constituting the fixing mechanism 16 is attached to the side of the second connecting portion 42 . Moreover, the elastic member 70 which comprises the restraint mechanism 18 may be interposed on the side of the 1st connection part 40 around it.

The connection portion 24 (on the operation rod side) includes a core member 44 fixed at the center of the front end of the operation rod body 20 , and a first connection member 50 is disposed around the core member 44 . Furthermore, although the core member 44 is not provided on its proximal side, a restraining mechanism consisting of an elastic member 70 such as a coil spring formed to rebound from the proximal side of the operation rod 12 toward the tip tool 14 side is arranged around it. 18, but it can also be arranged on the near side of the core member 44.

The connecting portion 24 (on the side of the operation rod) is provided with the third connecting member 52 on the first connecting portion 40 side inside the hollow portion of the first connecting member 50 . The first connecting member 50 is an annular body with a circular cross section, and the front end thereof is inserted into the proximal side of the second connecting member 80 inside the hollow portion.

The 3rd joint member 52 is the annular body that cross-section is circular, is fixed on the inner peripheral surface of the 1st joint member 50, and joins with the front end of the 2nd connecting part 84 of the 2nd joint member 80 near the body side. It is embedded in the second connecting part 42 of the first connecting part 40 in such a way. The third connecting member 52 is an annular body formed to be fitted into the second connecting portion 42 of the core member 44 and fitted into the inner peripheral surface of the first connecting member 50 on the hollow portion side. The third connecting member 52 is configured such that its front end is in contact with the end edge on the proximal side of the second connecting portion 84 of the second connecting member 80 , and is connected to the inner peripheral surface of the hollow portion of the first connecting member 50 . The end edge on the proximal side of the connecting member 80 is connected to the end edge on the proximal side, and the end edge on the proximal side of the second connecting part 84 interposed between the second connecting member 80 and the end on the proximal side of the inner peripheral surface of the hollow part side of the first connecting member 50 between margins.

The fixing mechanism 16 of the first connecting member 50 and the second connecting member 80 is constituted by a male thread portion 88, and the aforementioned male thread portion 88 is installed on the second connecting member 80 loaded with the first connecting member 50, and is arranged on an interposed The outer peripheral portion of the second connecting member 80 in the region of the first connecting member 50, on the other hand, the fixing mechanism 16 of the first connecting member 50 is constituted by a female thread portion 58, and the aforementioned female thread portion 58 is provided on the clip. It is provided in the cylinder of the area of the second connection member 80 . The female thread portion 58 of the fixing mechanism 16 constituting the first connecting member 50 is screwed with the male thread portion 88 of the fixing mechanism 16 constituting the second connecting member 80 , and by turning the first connecting member 50 , the operating rod 12 can be rotated. It moves in the longitudinal direction and can be stopped at a position suitable for pressing the second connecting member 80 by the third connecting member 52 connected to the first connecting member 50 .

Although the elastic member 70 constituting the restraining mechanism 18 is not disposed on the connecting portion 24 (on the side of the operating rod), it may be disposed on the proximal side of the core member 44 . In this third embodiment, the second connecting portion 42 of the first connecting portion 40 is formed on the proximal side of the region where the first connecting member 50 has been embedded, and is formed with a front end for stopping the elastic member 70 (not shown). The elastic member mounting part 72 on the side. Furthermore, the operation rod body 20 of the operation rod 12 is formed with a rear end side for stopping the elastic member 70 (not shown) on the front end side in the side opposite to the outer surface of the proximal side of the first connecting member 50 . The elastic member mounting part 74.

The first connection part 40 is configured to form a movement space for a first connection member 50 described later with the operation rod body 20, and the second connection part 42 is provided with the first fixing protrusion (pin) 60, The second connecting member 80 constituting the connecting portion 32 (on the side of the tip tool) is inserted around the second connecting member 80 .

The first coupling member 50 is annular, is fitted around the substantially cylindrical core member 44 , and is configured to slide in the longitudinal direction of the core member 44 and the operation rod body 20 . It can be configured to rebound toward the front end side by the elastic member 70 (not shown) interposed between the proximal side of the first connecting member 50 and the front end side of the operation stick body 20 . The first fixing protrusion (pin) 60 is formed at the center of the connecting portion 24 (on the operation rod side) so as to extend in the radial direction. The first fixing protrusion (pin) 60 is formed to be movable in the axial direction of the operation rod 12 and to be rotatable in the circumferential direction of the operation rod 12 as the operation rod 12 moves relative to the tip tool 14 .

The connecting portion 32 (on the side of the tip tool) constitutes an attached portion to be attached to the operation rod 12 , and is provided with a second connecting member 80 formed to connect the connecting portion 24 on the side of the operation rod 12 . The second connection member 80 is formed with a first fixing groove 90 in the area of the side connected to the operation rod 12. The first fixing groove 90 is the first fixing convex part of the connection part 24 arranged on the side of the operation rod 12. (pin) 60 stop. The first fixing groove 90 constitutes the fixing mechanism 16. The fixing mechanism 16 connects the connecting part 24 (on the side of the operation rod) and the connecting part 32 (on the side of the tip tool) by inserting the first fixing convex part (pin) 60 , the first fixing protrusion (pin) 60 is fixed.

The first fixing groove 90 has a first groove portion 90A opening toward the operation rod 12 , a second groove portion 90B opening continuously to the first groove portion 90A, and a third groove portion 90C opening continuously to the second groove portion 90B. The first groove portion 90A extends in the longitudinal direction, the second groove portion 90B extends in the circumferential direction, and the third groove portion 90C extends in the longitudinal direction to form a tailless path. The first fixing groove 90 is formed in an L-shape in plan view, and is configured so that the first fixing protrusion (pin) 60 stops in the third groove 90C and does not move when the tip tool 14 is attached to the operation rod 12 . The first fixing groove 90 has a depth at which the head of the first fixing protrusion (pin) 60 is inserted slightly protrudes, and a width at which the shaft of the first fixing protrusion (pin) 60 is inserted can move.

The first fixing protrusion (pin) 60 protrudes in the radial direction of the first coupling member 50 , The aforementioned 1st fixing groove 90 is equipped with: the depth that can protrude slightly for the head of the aforementioned 1st fixing protrusion (pin) 60 that has been embedded; The width of the move.

The second connecting member 80 constitutes a mounted portion installed on the (front end) tool portion 30 and connected to the operating rod 12, and is provided with: a first connecting portion 82, which is a front end tool mounting portion installed on the (front end) tool portion 30; and The second connecting portion 84 is thicker than the first connecting portion 82 which is the aforementioned tip tool attachment portion. The first connection portion 82 is a mounting portion fitted to the (tip) tool portion 30 , and is fixed to the (tip) tool portion 30 by an appropriate fixture such as a pin or the like. The second connection portion 84 constitutes a hollow core member attachment portion, and has a rod side connection portion attachment hole 94 fitted in the core member 44 formed therein. In the second connection portion 84 , a columnar core member attachment portion 96 is provided in the rod side connection portion attachment hole 94 . The columnar core member mounting portion 96 is an annular hollow portion 46 inserted between the second connecting portion 42 of the core member 44 and the (second) operating rod mounting member 28, and is connected to the aforementioned (second) operating rod. The front end sides of the mounting member 28 are connected to each other.

(Second) The operation rod attachment member 28 is arranged in series with the columnar core member attachment portion 96 and is attached to the second connection portion 42 of the core member 44 . The columnar core member attachment portion 96 is configured to abut against the proximal side of the second coupling member 80 , and is located between the proximal end of the columnar core member attachment portion 96 and the aforementioned hollow portion 46 . The second hollow portion 46b that exists between the boundary wall portions of the first hollow portion 46a is provided with a second elastic member 76 such as a coil spring. The second elastic member 76 is formed so that a columnar core member mounting portion 96 Rebound toward the near side or front side.

As shown in FIGS. 16 and 17 , the columnar core member attachment portion 96 is fitted into the hollow portion 46 of the second connection portion 42 and fixed to the (second) operation rod attachment member 28 with a set screw 28 a.

The first connecting member 50 is arranged on the operating rod 12 so as to be movable in the axial direction of the operating rod 12, and when the tip tool 14 is attached to the operating rod 12, it is formed to be fixed to the second connecting member 80 for operation. The region on the rod 12 side controls the movement of the second connecting member 80 so as to prevent the aforementioned (operating rod side) connecting portion 24 from detaching from the first fixing groove 90 of the second connecting member 80 . The first connecting member 50 has a fixing mechanism 16 in order to control the movement of the second connecting member 80 .

The first connecting member 50 is configured to cover the first fixing protrusion (pin) 60 constituting the fixing mechanism 16 when the tip tool 14 is mounted on the operating rod 12, and is configured to connect the second connecting member 80 to the second connecting member 80. The portion 84 and the third connecting member 52 are contained in the hollow portion thereof.

The second connecting portion 84 of the first connecting member 50 and the second connecting member 80 is configured so that when the first connecting member 50 is rotated, the male thread portion 88 and the female thread portion 58 constituting the fixing mechanism 16 move toward the shaft. direction screw. In this embodiment, the first connecting member 50 is formed with a female thread portion 58 inside the region where the first connecting member 50 overlaps with the second connecting portion 84 of the second connecting member 80 , and the second connecting member 80 is formed on the inside 2. A male thread portion 88 is formed outside the region covered by the first connecting member 50 in the connecting portion 84.

In this embodiment, the operating rod body 20 of the operating rod 12 is a rod body with a substantially circular cross section, and the first connecting portion 40 and the second connecting portion 42 of the core member 44 are rod-shaped bodies with a substantially circular cross section. The first connection member 50 is an annular body with a substantially circular cross section, the third connection member 52 is an annular body with a substantially circular cross section, and the second connection member 80 is an annular body with a substantially circular cross section. Moreover, the operation rod body 20, the core member 44, the first connection member 50, the third connection member 52, and the second connection member 80 of these operation rods 12 are concentric with the center line extending in the axial direction of the rod body. side by side. The third connecting member 52 is disposed around the second connecting portion 42 of the core member 44 , the first connecting member 50 is disposed around the second connecting portion 84 of the third connecting member 52 and the second connecting member 80 , The second connecting member 80 is disposed around the front end side of the core member 44 , and the end edge of the third connecting member 52 on the front end side and the end edge of the second connecting member 80 on the proximal side are formed to face each other.

Secondly, regarding the operation method, it is assumed that the overhead distribution line bypass circuit is formed by using the insulating operating rod 12 equipped with the connection structure 10 of the embodiment, so the indirect live line connected to the front end is operated by the insulating operating rod 12 The situation of the front-end tool 14 is explained as follows. First, as shown in FIGS. 16 and 17 , in order to install the front-end tool 14 for indirect wire work on the front end of the insulating operating rod 12 , the operator places one of the insulating operating rods 12 (operating rod 12 ) constituting the connection structure 10 side) connecting portion 24 is connected to the (tip tool side) connecting portion 32 of the tip tool 14 . Specifically, the axis of the connecting portion 24 on the side of the operating rod 12 (on the side of the operating rod) coincides with the axis of the connecting portion 32 on the side of the end tool 14 (on the side of the end tool), and the first fixing protrusion (pin) 60 It is aligned with the first groove portion 90A of the first fixing groove 90 . Next, move the operating rod 12 toward the tip tool 14 side, insert the first fixing protrusion (pin) 60 into the second groove portion 90B of the first fixing groove 90, and when it reaches the groove on the tip tool 14 side of the second groove portion 90B, wall, the operating rod 12 is rotated in the circumferential direction, and the first fixing convex portion (pin) 60 is advanced along the groove of the second groove portion 90B toward the third groove portion 90C. When the connection structure 10 has reached the mouth of the third groove 90C, that is, when it has reached the end of the second groove 90B, the operating rod 12 is pulled back from the front end tool 14 side to the side near the body, and the first fixing protrusion ( pin) 60 is fitted into the third groove portion 90C. Therefore, by rotating the first connecting member 50, through the action of the female thread portion 58 of the first connecting member 50 and the male thread portion 88 of the second connecting member 80, the first connecting member 50 is aligned in the longitudinal direction of the operation bar 12. Move up, and move to the position where the second connecting member 80 is pushed by the third connecting member 52, so that the connecting part 24 of the operating rod 12 (on the operating rod side) and the connecting part of the front end tool 14 (on the front end tool side) 32 firmly connected.

Next, in the connecting structure 10, when releasing the locking of the connecting portion 24 (on the operating rod side) of the operating rod body 20 and the connecting portion 32 (on the front end tool side) of the tool portion (the front end tool portion) 30, it is mainly based on Figure 17 to illustrate. At this time, the first connecting member 50 is rotated to move to the near side, and the connecting portion 24 (on the side of the operating rod) of the operating rod body 20 is moved to the front end side, so that the first fixing convex portion (pin) constituting the fixing mechanism 16 is moved to the front end side. ) 60 is separated from the third groove 90C, and the operating rod 12 is rotated to move the first fixing protrusion (pin) 60 along the second groove 90B. And the first fixing convex part (pin) 60 is disengaged from the first fixing groove 90, thereby the connecting part 24 of the operating rod 12 (on the operating rod side) and the connecting part 32 of the front end tool 14 (on the front end tool side) can be separated. .

(fourth embodiment)

Next, mainly referring to Fig. 22 to Fig. 33, the connecting structure of the fourth embodiment will be described. In addition, the same symbols are assigned to the same components and elements as those of the connection structure 10 of the first embodiment shown in FIGS. 1 to 9 , and the description of the common components and elements will be omitted. Hereinafter, a description will be given centering on the characteristic components and elements of the connection structure of the fourth embodiment.

The connection structure 10 according to the fourth embodiment of the present invention is a connection structure in which the operation rod 12 constituting the rod body is connected to the connection portion constituting the front end tool 14 of the connected portion connected to the operation rod 12 .

The operating rod 12 has: a long cylindrical operating rod body 20; a grip part 22 attached to the rear end of the operating rod body 20, that is, the near side; and a connecting part 24 (on the operating rod side) formed on the operating rod body The front end side of 20 is an area mounted on the side of the front end tool 14 .

Front-end tools 14 such as tools for indirect live line construction are constituted by, for example, a stripping machine, clamps, locking tools, etc. for stripping the insulating coating of overhead power distribution lines in a live line state. The tip tool 14 is provided with: a tool part 30 directly contacting electric wires, etc.;

The connecting portion 24 on the side of the rod, that is, the operating rod 12, and the connecting portion 32 on the side of the connected portion are arranged side by side concentrically with the center line extending in the axial direction of the rod, and a convex portion is formed on one of them, and a convex portion is formed on the other. One of them is formed with a concave portion, and is configured so that the convex portion and the concave portion are combined and connected. In this embodiment, the core member 44 constituting a convex portion is formed in the coupling portion 24 (on the operation rod side), and the rod side coupling portion mounting hole 94 constituting a concave portion is formed in the coupling portion 32 (on the tip tool side). The core member 44 is a rod-shaped body with a substantially circular cross-section, and the rod-side connecting portion mounting hole 94 is an annular body with a substantially circular cross-section. In order to combine the core member 44 with the connecting portion mounting hole 94 on the rod body side, the connecting portion 24 on the side of the operating rod 12 is connected to the connecting portion 32 on the side of the connected portion.

The fixing mechanism 16 for fixing the tip tool 14 is provided in the area of the operation rod 12 on the side connected to the tip tool 14, and the fixing mechanism 16 constitutes a separation preventing mechanism for preventing separation of those connected by the connection structure. Furthermore, the operation rod 12 is equipped with a restraining mechanism 18 in the area on the side connected to the front end tool 14. The aforementioned restraint mechanism 18 restrains the movement of the connection between the operation rod 12 and the front end tool 14, and constitutes a structure to prevent A separation prevention mechanism that separates those connected by the connection structure.

The connection portion 24 of the aforementioned operation rod 12 constituting the connection portion of the rod body is constituted by a core member 44 and the like, and a first connection portion 40 thinner than the operation rod body 20 is formed on the side connected to the operation rod body 20 . The first connecting portion 40 is connected to the front end tool 14 side with a second connecting portion 42 thicker than the first connecting portion 40 .

The core member 44 constituting the connecting portion 24 (on the side of the operating rod) of the operating rod body 20 is connected to the operating rod through the operating rod mounting member (the (first) operating rod mounting member 26 and the fixing pin 26a and the fixing pin 26b). The body 20 is connected. (1st) The operating rod mounting member 26 is a bottomed annular body, configured to fit into the recessed portion 20a of the operating rod body 20, and directly connected by an appropriate fixing mechanism, such as a fixing pin 26a and a fixing pin 26b.

The connecting portion 24 (on the operation stick side) includes a core member 44 constituting the first connecting portion 40 and the second connecting portion 42 . The core member 44 is fitted in the attachment hole 26d formed in the center of the operation rod attachment member ((first) operation rod attachment member 26 ), and is connected by the connection screw 26c. In this embodiment, the (first) operation rod mounting member 26 is inserted into the connecting screw 26c for connecting the (first) operation rod mounting member 26 and the core member 44 from its proximal side, thereby, by the connecting screw 26c is screwed to the proximal side of the core member 44 to be connected to the (first) operation rod attachment member 26 . The core member 44 is attached to the operation rod body 20 through the (first) operation rod attachment member 26 .

The elastic member 70 constituting the restraining mechanism 18 is disposed on the connecting portion 24 (on the operation rod side). In this embodiment, the core member 44 is provided with a restraining mechanism 18 constituted by an elastic member 70 such as a coil spring around the first connecting portion 40 thereof. The proximal side springs back toward the front end tool 14 side.

In this embodiment, the core member 44 constitutes the first connecting portion 40 on the proximal side, and the first connecting portion 40 is formed as a columnar portion thinner than the operating rod body 20 in such a manner as to be attached to the operating rod body 20 . , The front end side constitutes the second connecting portion 42, and the above-mentioned second connecting portion 42 is formed by a thick cylindrical portion that is thicker than the first connecting portion 40 that is thinner on the proximal side. In this embodiment, as shown in FIG. 28, the core member 44 is formed by forming the 1st connection part 40 and the 2nd connection part 42 as separate members, and it connects suitably by the pin.

The core member 44 is provided with a first fixing convex portion (pin) 60 constituting the fixing mechanism 16 in the second connecting portion 42 on the front end side, and is sandwiched around the first connecting portion 40 on the proximal side. The elastic member 70 constituting the restraint mechanism 18 . Furthermore, in this embodiment, the core member 44 is formed in the second connecting portion 42 to guide the second fixing convex portion (plunger) 62 described later in the longitudinal direction and the radial direction of the operation rod 12 and make it The second fixed groove 92 is fixed.

The connecting portion 24 (on the side of the operating rod) is provided with a first connecting member 50 . The first connecting member 50 is an annular body with a circular cross section, and its front end side is fitted into the second connecting portion 42 of the first connecting portion 40 inside the hollow portion. In this embodiment, the connection part 24 (on the operation rod side) includes a core member 44 fixed at the center of the front end of the operation rod body 20 , and a first connection member 50 is disposed around the core member 44 .

The first connection part 40 is formed with an elastic member mounting part 72 for stopping the front end side of the elastic member 70 on the proximal side of the region where the first connection member 50 has been fitted. Furthermore, the operating rod body 20 of the operating rod 12 is formed with an elastic member mounting portion for stopping the rear end side of the elastic member 70 on the front end side on the side opposite to the outer surface of the first connecting member 50 on the proximal side. 74. The first connection member 50 is to surround the elastic member 70 of the core member 44 sandwiched in the first connection part 40, spanning between the elastic member installation part 72 and the elastic member installation part 74, and its front end side is surrounded by The second connection part 42 is attached to the second connection part 42 so as to form an outer peripheral surface.

The elastic member 70 constituting the restraining mechanism 18 is configured so that when the tip tool 14 is mounted on the operating rod 12, the first connecting member 50 is passed through the elastic member mounting portion 72 to the second connecting portion 42 constituting the connected portion. Potential energy is given to the second connection member 80 side.

One of the connecting portion on the rod side and the connecting portion on the connected portion side is formed with the first fixing convex portion 60 as the fixing mechanism 16 constituting the convex portion, and the other is formed with the fixing mechanism 16 constituting the concave portion. The first fixing groove 90 is configured such that a convex portion and a concave portion are combined and connected.

The above-mentioned fixing mechanism 16 is constituted by the first fixing protrusion (pin) 60 formed on the connecting portion on the side of the rod body and constituting the separation prevention mechanism, and/or, The aforementioned fixing mechanism 16 is constituted by the second fixing protrusion (plunger) 62 formed on the first connecting member 50 on the side of the aforementioned rod body and constituting the separation prevention mechanism, The fixing mechanism formed on the second connection member 80 or the fixing mechanism formed on the core member 44 is constituted by the first fixing groove 90, and the first fixing groove 90 is a fixing groove formed on the core member 44. And/or the corresponding position in the second connecting member 80, and constitute a tortuous separation preventing mechanism.

The first connecting portion 40 of the core member 44 is configured to form a movement space for a first connecting member 50 described later between the core member 44 and the operation rod body 20 . The second connection portion 42 of the core member 44 is provided with the first fixing protrusion (pin) 60 on the front end side. Furthermore, the second connection portion 42 of the core member 44 is formed with a second fixing groove 92 for guiding a second fixing protrusion (plunger) 62 which will be described later.

The first fixing convex portion (pin) 60 is formed to extend in the radial direction in the second connecting portion 42 of the connecting portion 24 (on the operation rod side). The first fixing protrusion (pin) 60 is formed to be movable in the axial direction of the operation rod 12 with the movement of the operation rod 12 relative to the tip tool 14, and is formed to be movable along the axis of the operation rod 12 with the rotation of the operation rod 12. The operating rod 12 is rotated in the circumferential direction.

The second fixing groove 92 has a first groove portion 92A opening toward the operation rod 12 , a second groove portion 92B opening following the first groove portion 92A, and a third groove portion 92C opening following the second groove portion 92B. The first groove portion 92A extends in the longitudinal direction, the second groove portion 92B extends in the circumferential direction, and the third groove portion 92C extends in the longitudinal direction to form a tailless path. The second fixing groove 92 is formed in an L-shape in a planar view, and is configured such that when the first connecting member 50 is rotated when the operation rod 12 is mounted with the tip tool 14 , the second fixing protrusion (pin) 62 will abut against it. The first coupling member 50 does not move in the third groove portion 92C. The 2nd fixed groove 92 is equipped with the depth that the head of the 2nd fixed convex part (plug) 62 that has been embedded can protrude slightly; width.

The aforementioned 2nd fixed protrusion (plunger) 62, as shown in FIG. The spherical convex part 62c whose head protrudes from the cylindrical main body 62a is provided with the potential energy body 62b. The second fixing protrusion (plunger) 62 protrudes toward the diameter direction of the first connecting member 50, and the second fixing groove 92 includes: a concave portion 92a in which the second fixing protrusion (plunger) 62 is fitted. The convex portion 62c slightly embedded depth; and the moving path 92b on the plane has the width that the cylindrical body 62a and the convex portion 62c of the second fixed convex portion (plunger) 62 that has been embedded can move. The second fixing protrusion (plunger) 62 is configured to move in the movement path 92b in the groove of the second fixing groove 92 and fit into the concave recess 92a to control the movement of the first connection member 50 . As shown in FIG. 24 , the second fixing groove 92 is provided with recessed portions 92 a in the second groove portion 92B and the third groove portion 92C.

The first connecting member 50 is in the shape of a ring, is inserted and packed around the substantially cylindrical core member 44, and is configured to move freely in the longitudinal direction of the core member 44 and the operation rod body 20, and is configured to be clamped by clamping. The elastic member 70 provided between the proximal side of the first connecting member 50 and the front end side of the operation stick body 20 rebounds toward the front end side. The first connection member 50 is provided with a hole 50a for fixing the second fixing convex portion (plunger) 62 on the front end side, and the second fixing convex portion (plunger) 62 constituting the fixing mechanism 16 is fitted and fixed in the hole 50a. .

The connecting portion 32 (on the side of the tip tool) constitutes a mounted portion to be mounted on the operating rod 12 , and is provided with a second connecting member 80 formed to connect the connecting portion 24 on the side of the operating rod 12 . The second connection member 80 is formed with a first fixing groove 90 in the area of the side connected to the operation rod 12. The first fixing groove 90 is the first fixing convex part of the connection part 24 arranged on the side of the operation rod 12. (pin) 60 stop. The first fixing groove 90 constitutes the fixing mechanism 16. The fixing mechanism 16 connects the connecting part 24 (on the side of the operation rod) and the connecting part 32 (on the side of the tip tool) by inserting the first fixing convex part (pin) 60 , the first fixing protrusion (pin) 60 is fixed.

The first fixing groove 90 has a first groove portion 90A opening toward the operation rod 12 , a second groove portion 90B opening following the first groove portion 90A, and a third groove portion 90C opening following the second groove portion 90B. The first groove portion 90A extends in the longitudinal direction, the second groove portion 90B extends in the circumferential direction, and the third groove portion 90C extends in the longitudinal direction to form a tailless path. The first fixing groove 90 is formed in an L-shape in plan view, and is configured so that the first fixing protrusion (pin) 60 stops in the third groove 90C and does not move when the tip tool 14 is attached to the operation rod 12 . The first fixing groove 90 has: the depth at which the head of the first fixing protrusion (pin) 60 that has been inserted protrudes slightly; and the width at which the shaft of the first fixing protrusion (pin) 60 that has been embedded can move .

The first fixing protrusion (pin) 60 protrudes toward the diameter direction of the second connecting portion 42 of the core member 44, and the first fixing groove 90 is provided with the first fixing protrusion (pin) 60 already inserted. The depth at which the head protrudes slightly; and the movable width of the shaft portion of the first fixed protrusion (pin) 60 that has been embedded is configured so that the first fixed protrusion (pin) 60 is in the groove of the first fixed groove 90 to control the movement of the operation rod 12 and the first connecting part 40 .

The second connecting member 80 constitutes a mounted portion installed on the (front end) tool portion 30 and connected to the operating rod 12, and is provided with: a first connecting portion 82, which is a front end tool mounting portion installed on the (front end) tool portion 30; and The second connecting portion 84 is thicker than the first connecting portion 82 which is the aforementioned tip tool attachment portion. The first connection portion 82 is a mounting portion fitted to the (tip) tool portion 30 , and is fixed to the (tip) tool portion 30 by an appropriate fixture such as a pin or the like. The second connection portion 84 constitutes a hollow core member attachment portion, and has a rod side connection portion attachment hole 94 fitted in the core member 44 formed therein. Furthermore, a first fixing groove 90 is formed in succession to the opening edge portion of the rod body-side coupling portion mounting hole 94 .

The first connecting member 50 is disposed on the side of the operating rod 12 so as to be movable in the axial direction of the operating rod 12, and is fixed to the operating rod of the second connecting member 80 when the tip tool 14 is attached to the operating rod 12. 12 side, to control the movement of the second connecting member 80, and formed so that the aforementioned (operating rod side) connecting portion 24 will not escape from the first fixing groove 90 of the second connecting member 80. Furthermore, the first connecting member 50 has a fixing mechanism 16 that fixes the first connecting member 50 to the second connecting portion 42 of the first connecting portion 40 in order to control the movement of the second connecting member 80 . The fixing mechanism 16 for fixing the first connecting member 50 to the second connecting portion 42 of the first connecting portion 40 is constituted by the aforementioned second fixing convex portion (plunger) 62 .

In this embodiment, the operating rod body 20 of the operating rod 12 is a rod body with a substantially circular cross section, and the first connecting portion 40 and the second connecting portion 42 of the core member 44 are rod-shaped bodies with a substantially circular cross section. The first coupling member 50 is an annular body having a substantially circular cross section, and the second coupling member 80 is an annular body having a substantially circular cross section. In addition, the operation rod body 20, the core member 44, the first connection member 50, and the second connection member 80 of the operation rods 12 are arranged concentrically with the center line extending in the axial direction of the rod body. The first connecting member 50 is arranged around the second connecting portion 42 of the core member 44 , the second connecting member 80 is arranged around the front end side of the core member 44 , and the end of the first connecting member 50 on the front end side The edge is formed so as to face the end edge on the proximal side of the second connection member 80 .

Secondly, regarding the operation method, it is assumed that the insulated operating rod 12 equipped with the connection structure 10 of the fourth embodiment is used to form the overhead distribution line bypass circuit, so the indirect live line connected to the front end is operated by the insulated operating rod 12 The situation of the front-end tool 14 used is explained as follows. First, as shown in FIG. 32 , in order to install the front end tool 14 for indirect wire work on the front end of the insulating operating rod 12 , the operator places the insulating operating rod 12 (on the operating rod side) that constitutes the connection structure 10 . The connecting portion 24 is connected to the connecting portion 32 (on the tip tool side) of the tip tool 14 . Specifically, the axis of the connecting portion 24 on the operation rod 12 side is aligned with the axis of the connecting portion 32 on the tip tool 14 side, and the first fixing protrusion (pin) 60 is aligned with the first groove portion 90A of the first fixing groove 90 . bit. Next, move the operating rod 12 toward the tip tool 14 side, insert the first fixing protrusion (pin) 60 into the second groove portion 90B of the first fixing groove 90, and when it reaches the groove on the tip tool 14 side of the second groove portion 90B, wall, the operating rod 12 is rotated in the circumferential direction, and the first fixing convex portion (pin) 60 is advanced along the groove of the second groove portion 90B toward the third groove portion 90C. When the connection structure 10 has reached the mouth of the third groove 90C, that is, when it has reached the end of the second groove 90B, the operating rod 12 is pulled back from the front end tool 14 side to the side near the body, and the first fixing protrusion ( pin) 60 is fitted into the third groove portion 90C.

When fixing the first connecting member 50 to the second connecting part 42, as shown in FIG. The effect of the fixing groove 92 is to move the first connecting member 50 in the longitudinal direction of the operation bar 12, and the first connecting member 50 is moved to the position where the second connecting member 80 is pressed by the first connecting member 50, and the second connecting member 80 is pushed. The first connecting member 50 is connected to the second connecting portion 42 to firmly connect the connecting portion 24 (on the operating rod side) of the operating rod 12 and the connecting portion 32 (on the distal end tool side) of the tip tool 14 . In this embodiment, the axis of the core member 44 coincides with the axis of the second connecting portion 42 , and the second fixing protrusion (plunger) 62 is aligned with the first groove portion 92A of the second fixing groove 92 . Next, the first connecting member 50 is moved toward the tip tool 14 side, and the second fixing protrusion (plunger) 62 is inserted into the second groove portion 92B of the second fixing groove 92, and when the tip tool 14 reaches the second groove portion 92 When closing the side groove wall, the first connecting member 50 is rotated in the circumferential direction, and the second fixing protrusion (plunger) 62 is advanced along the groove of the second groove portion 92B toward the third groove portion 92C. When the second fixing protrusion (plug) 62 has reached the mouth of the third groove 90C, that is, when it has reached the end of the second groove 92B, the second fixing protrusion (plug) 62 is fitted into the third groove 92C. . In this way, by rotating the first connecting member 50, the second fixing protrusion (plunger) 62 of the first connecting member 50 and the second fixing groove 92 of the second connecting part 42 are used to make the first connecting member 50 moves to the position where the second connecting member 80 is pressed, and the first connecting member 50 is connected to the second connecting portion 42 of the core member 44 .

In the connection structure 10, when releasing the locking of the connecting portion 24 (on the operating rod side) of the operating rod body 20 and the connecting portion 32 (on the front end tool side) of the tool portion (the front end tool portion), it is mainly based on FIG. 33 . illustrate. The first coupling member 50 is rotated to move to the position of the second groove portion 92B, and is temporarily fixed. Next, move the connecting portion 24 of the operating rod body 20 (on the operating rod side) to the front end side, and with the rotation of the first connecting member 50, push the second connecting member 80 toward the body side to form a fixing mechanism. When the first fixing protrusion (pin) 60 of 16 breaks away from the third groove 90C, and when the operating rod 12 is rotated, the first fixing protrusion (pin) 60 moves along the second groove 90B and is located in the first fixing groove 90, Move the operating rod 12 to the near side, and make the first fixing convex part (pin) 60 break away from the first fixing groove 90, so that the connecting part 24 of the operating rod 12 (on the operating rod side) and the front end tool 14 can be connected. The connecting part 32 (on the front end tool side) is separated.

(Modifications of the first to third embodiments) Hereinafter, modifications of the first to third embodiments will be described with reference to FIGS. 36 to 38 . In this modified example, the connection structure 10 is formed at a position close to the body side of the rod body instead of a position close to the front end tool 14 provided with the connected portion.

The connection structure 10 of the modified example is a connection structure in which the rod body on the proximal side and the rod body on the front end side are connected among the two divided rod bodies, and is formed as the first operation rod that is connected to the front end tool 14 constituting the operation rod 12 The body 12A is connected to the second operating rod body 12B constituting the operating rod 12 on the proximal side. The first operating rod body 12A constitutes a connecting portion, and a connected portion is formed at the front end thereof, and the second operating rod body 12B constitutes a rod body, and a connecting portion is formed at the rear end thereof.

In the modified example of the first embodiment, the operating rod 12 is provided with: a long cylindrical operating rod body 20 constituting the first operating rod body 12A; and a grip part 22 constituting the second operating rod body 12B attached to the operating rod body The rear end of 20 is the near body side. The operation rod main body 20 is equipped with the front end tool 14 on the front end side, and is equipped with the connecting part 24 (on the operation rod side) which constitutes the connected part in the region on the rear end side.

As above, although the embodiments of the present invention have been disclosed in the foregoing description, the present invention is not limited thereto. That is, to the embodiments described above, without departing from the technical idea and purpose of the present invention, various changes can be added to the mechanism (mechanism), shape, material, quantity, position or arrangement, and the like All are included in the present invention. In the aforementioned embodiment, the connecting portion 24 on the side of the rod body, that is, the operating rod 12, and the connecting portion 32 on the side of the connected portion are formed to be concentrically aligned with the center line extending in the axial direction of the rod body. One of the connecting parts 24 is formed with a convex part, and the other connecting part 32 is formed with a concave part, but it is also possible to form a rod-side connecting part mounting hole 94 constituting a concave part on the connecting part 24 (on the side of the operating rod). For example, a core member 44 constituting a convex portion is formed on the connecting portion 32 (on the side of the tip tool). Industrial availability

The connection structure of the present invention is widely used in the connection structure of rods.

( On the operation rod side) connecting part 26: (first) operation rod mounting member 26a: fixing pin 26b: fixing pin 26c: connecting screw 26d: mounting hole 28: (second) operation rod mounting member 28a: stop screw 30: Tool part (tip tool part) 32: (on the tip tool side) connecting part 32a: recessed part 40: first connecting part 42: second connecting part 42a: recessed part 44: core member 46: hollow part 46a: first hollow Part 46b: second hollow part 46c: third hollow part 48: male thread part 50: first connecting member 50a: hole 50E: front end surface 52: third connecting member 58: female thread part 60: first fixing convex part ( pin) 62: second fixing convex portion (plunger) 62a: cylindrical body 62b: potential energy imparting body 62c: convex portion 64: fixture 70: elastic member 72: elastic member mounting portion 74: elastic member mounting portion 76: first 2 elastic member 80: second connecting member 80E: rear end surface 82: first connecting part 84: second connecting part 88: male thread part 90: first fixing groove 90A: first groove part 90B: second groove part 90C: third Groove 92: Second fixing groove 92a: Recess 92b: Moving path 92A: First groove 92B: Second groove 92C: Third groove 94: Rod body side connecting portion mounting hole 96: Columnar core member mounting portion 98: Second groove 3 elastic member A ₁ -A ₁ : hatching B ₁ -B ₁ : hatching C ₁ -C ₁ : hatching

Fig. 1 is a schematic front view of a connection structure according to a first embodiment of the present invention. Fig. 2 is a diagrammatic front sectional view of the connecting structure shown in Fig. 1 . Fig. 3 is a schematic sectional view of the connecting structure shown in Fig. 1, (A) is a schematic sectional view of Fig. 1 A-A, (B) is a schematic sectional view of Fig. 1 B-B, and (C) is a schematic sectional view of Fig. 1 C-C. Fig. 4 is a schematic front sectional view showing the operation of the connecting structure shown in Fig. 1, (A) is a view showing the unlocked state, and (B) is a view showing the state where the connecting part is disassembled. Fig. 5 is a perspective diagram of the disassembled state of the connecting structure shown in Fig. 1 . Fig. 6 is a schematic cross-sectional view of the disassembled state of the connecting structure shown in Fig. 1 . Fig. 7 is a perspective diagram of an operation stick having the connection structure shown in Fig. 1 . FIG. 8 is a perspective diagram showing a state in which the connecting portion of the connecting structure shown in FIG. 1 is disassembled. Fig. 9 is a perspective diagram showing a disassembled state of the connecting structure shown in Fig. 1 . Fig. 10A is a schematic front view showing a section of a connection structure according to a second embodiment of the present invention. Fig. 10B is a schematic front sectional view of the connection structure of the second embodiment of the present invention. Fig. 10C is a schematic cross-sectional view of the connection structure of the second embodiment of the present invention, (A) is a diagram of A2-A2 in Fig. 10B, (B) is a diagram of B2-B2 in Fig. 10B, (C) is a diagram of C2 in Fig. 10B -C2 Diagram Diagram. Fig. 11 is a schematic front sectional view showing the operation of the connecting structure shown in Fig. 10, (A) is a view showing a unlocked state, and (B) is a view showing a state in which the connecting portion is disassembled. Fig. 12 is a perspective diagram showing a disassembled state of the connecting structure shown in Fig. 10 . Fig. 13 is a schematic cross-sectional view showing a disassembled state of the connection structure shown in Fig. 10 . Fig. 14 is a perspective diagram of an operation stick having the connection structure shown in Fig. 10 . Fig. 15 is a perspective diagram showing a state in which the connecting portion of the connecting structure shown in Fig. 10 has been disassembled. Fig. 16A is a diagrammatic view of a connection structure according to a third embodiment of the present invention, (A) is a front diagrammatic diagram, and (B) is a front diagrammatic cross-sectional diagram. Fig. 16B is a schematic cross-sectional view of the connection structure of the third embodiment of the present invention, (A) is a diagram of A2-A2 in Fig. 10B, (B) is a diagram of B2-B2 in Fig. 10B, (C) is a diagram of C2 in Fig. 10B -C2 Diagram Diagram. Fig. 17 is a cross-sectional schematic view showing the operation of the connecting structure according to the third embodiment of the present invention, (A) is a view showing the unlocked state, and (B) is a view showing the state where the connecting part is disassembled. Fig. 18 is a perspective diagram of the disassembled state of the connecting structure shown in Fig. 16 . Fig. 19 is a perspective diagram of the disassembled state of the connecting structure shown in Fig. 16 . Fig. 20 is a perspective diagram of an operation stick having the connection structure shown in Fig. 16 . Fig. 21 is a perspective diagram showing a state in which the connecting portion of the connecting structure shown in Fig. 16 has been disassembled. Fig. 22 is an explanatory front view of a connection structure according to a fourth embodiment of the present invention. Fig. 23 is a perspective diagram of the disassembled state of the connecting structure shown in Fig. 22 . Fig. 24 is a diagram of the decomposed state of the connecting structure shown in Fig. 22, (A) is a perspective diagram, (B) is a plane diagram, and (C) is a-a, b-b and c-c sections of diagram (B) Diagram. Fig. 25 is a perspective diagram showing a section of a part of the connection structure shown in Fig. 22 . Fig. 26 is a perspective diagram of the disassembled state of the connecting structure shown in Fig. 22 . Fig. 27 is a perspective diagram of the disassembled state of the connecting structure shown in Fig. 22 . FIG. 28 is a diagrammatic front view of a core member of the joint structure illustrated in FIG. 22 . Fig. 29 is a perspective diagram showing a state in which the connecting portion of the connecting structure shown in Fig. 22 has been disassembled. FIG. 30 is a perspective diagram of the connecting structure shown in FIG. 22 . FIG. 31 is a perspective diagram of the connecting structure shown in FIG. 22 . Fig. 32 is an explanatory front view of the connection structure shown in Fig. 22, (A) is a diagram showing a locked state, and (B) is a diagram showing a temporary locked state. Fig. 33 is an explanatory front view of the connecting structure shown in Fig. 22, (A) is a view showing the unlocked state, and (B) is a view showing the state where the connecting portion is disassembled. Fig. 34 is a perspective diagram of an operation stick having the connection structure shown in Fig. 22 . Fig. 35 is a schematic perspective view of an operation stick of a modified example having the connection structure shown in Fig. 1 . Fig. 36 is a schematic perspective view of an operation stick of a modified example having the connection structure shown in Fig. 10 . Fig. 37 is a schematic perspective view of an operation stick of a modified example having the connection structure shown in Fig. 16 . Fig. 38 is a schematic perspective view of an operation stick of a modified example having the connection structure shown in Fig. 22 .

10: Connection structure

12: Operation stick

14: Front-end tools

16: Fixed components

18: Suppression Components

20: Operating stick body

20a: depression

22: Control Department

24: (Operation rod side) connecting part

26a: fixed pin

26b: fixed pin

30: Tool Department (Front Tool Department)

32: (on the tool side of the front end) connecting part

40: The first link

42: The second link

44: core member

50: The first connecting member

60: 1st fixed protrusion (pin)

70: elastic member

72: Elastic member installation part

74: Elastic member installation part

80: The second connecting member

82: The first link

84: The second link

90A: the first groove

90B: The second groove

90C: the third groove

94: Mounting hole for connecting part on rod body side

96: columnar core member mounting part

A ₁ -A ₁ : hatching

B ₁ -B ₁ : hatching

C ₁ -C ₁ : hatching

Claims (12)

A connection structure of a rod body, which is a connection structure connecting the rod body and the connected part connected with the aforementioned rod body, characterized in that: have: The first connecting member is arranged in the region on the side of the rod body; and The second connecting member is arranged in a region on the side of the connected part connected to the aforementioned rod body, The above-mentioned rod body is provided with a fixing mechanism in the area of the connected part side connected with the rod body, and the above-mentioned fixing mechanism constitutes a separation prevention mechanism for preventing separation of the connected parts through the connection structure, The second connecting member is formed with a fixing mechanism for stopping the fixing mechanism on the side of the rod in the area of the connected part side connected with the rod, The aforementioned first coupling member is disposed on the side of the rod so as to be movable in the axial direction of the rod, When the connected portion is connected to the rod body, the first connecting member is fixed to the first connecting member side area of the second connecting member by the fixing mechanism, and the movement of the second connecting member is controlled to form the rod The fixing mechanism on the side of the body cannot be disengaged from the fixing mechanism formed on the aforementioned second connecting member. A connection structure of a rod body, which is a connection structure connecting the rod body and the connected part connected with the aforementioned rod body, characterized in that: have: The first connecting member is arranged in the region on the side of the rod body; and The second connecting member is arranged in a region on the side of the connected part connected to the aforementioned rod body, One of the connecting portion on the rod side and the connecting portion on the connected portion side is formed with a convex portion, and the other is formed with a concave portion, so that the convex portion and the concave portion are combined and connected, The aforementioned first coupling member is disposed on the side of the rod so as to be movable in the axial direction of the rod, The second connecting member is disposed on the side of the connected part in a manner capable of moving toward the connected part, The first connecting member and the second connecting member are configured to be separated by moving the connected first connecting member and second connecting member in opposite directions, The above-mentioned rod is equipped with a restraining mechanism, and the aforementioned restraining mechanism constitutes a separation prevention mechanism that prevents the separation of those connected by the connecting structure, The above-mentioned restraining mechanism is configured to push the first connecting member toward the second connecting member so that the protrusions and recesses that are engaged during the connection will not be separated. As for the connection structure of the rod in claim 1, wherein the connecting part on the rod side and the connecting part on the connected part side have a convex part formed on one of them, and a concave part is formed on the other, the convex part and the connected part are formed. The concave parts are combined and connected. The connection structure of rods according to claim 1, wherein the fixing mechanism provided on the side of the rods constitutes a separation prevention mechanism, and is formed so that the connected part moves in the axial direction of the rods with the movement of the rods relative to each other. , and formed to rotate along the circumferential direction of the rod. The connecting structure of the stick according to claim 1 or 2, wherein the first connecting member is formed so that when the connecting part on the side of the connected part is connected to the connecting part on the side of the rod, the first part of the second connecting member is pressed. 1 Connect the end of the member side. The connecting structure of the stick as claimed in claim 1, wherein the aforementioned fixing mechanism is constituted by a first fixing protrusion (pin), and the aforementioned first fixing protrusion (pin) is a connecting portion formed on the side of the aforementioned stick, and Consists of a separation prevention mechanism, and/or, The aforementioned fixing mechanism is constituted by a second fixing convex portion (plunger), and the aforementioned second fixing convex portion (plunger) is a first connection member formed on the side of the aforementioned rod body, and constitutes a separation prevention mechanism, The fixing mechanism formed on the aforementioned second connecting member or the fixing mechanism formed on the core member is constituted by the following fixing grooves: formed at the corresponding positions of the aforementioned core member and/or the second connecting member and forming zigzagging separation mechanism. Such as the connecting structure of the rod body of claim 1, wherein the aforementioned fixing mechanism is formed by a fixing pin, a plunger and a fixing groove, The above-mentioned fixed pin and plunger are protrudingly arranged on the diameter direction of the rod body, The fixing groove has a depth at which the head of the embedded fixing pin protrudes slightly, and a width at which the shaft of the embedded fixing pin and the plunger can move, and is configured so that when the connected part is mounted on the rod , the fixed pin and plunger will not move. The connecting structure of the rod body as claimed in claim 1, wherein the fixing mechanism on the side of the first operating rod is formed by a positioning member formed on the first connecting member, and the aforementioned positioning member is formed and arranged on the second connecting member The aforementioned fixing mechanism is fitted. The connecting structure of the rod according to claim 1 or 2, wherein the first connecting member is configured to be screwed to the second connecting member or the connecting portion of the rod when the connected portion is connected to the rod, and When the connected part is fixed to the rod body, it is configured so that it does not separate from the second connecting member. The connecting structure of rods according to any one of claims 1 to 9, wherein the aforementioned restraining mechanism is formed by elastic members, The elastic member is arranged to press the first connecting part or the second connecting member by pushing the first connecting member toward the connected part or by pressing the fixing mechanism to the fixing groove, The protrusions and recesses that are engaged during the aforementioned connection will not be separated. The connecting structure of the rod as claimed in claim 1 or 2, wherein the rod is formed with a first connecting part thinner than the rod body on the side connected to the connected part, and the connected part of the first connecting part The side connection is provided with a second connection part which is thicker than the first connection part, The aforementioned first connecting portion is configured to form a movement space for the first connecting member with the rod main body, The second connecting portion is provided with the fixing mechanism. The connecting structure of the stick according to claim 1 or 2, wherein the first connecting member is a stick arranged in the area near the body of the stick, The second coupling member is a rod disposed on the connected portion side of the rods.

Images