CN211063207U

CN211063207U - Insulating sheath mounting tool

Info

Publication number: CN211063207U
Application number: CN201922412854.1U
Authority: CN
Inventors: 刘嘉铭; 李荣伟; 刘勇
Original assignee: YIXING HUAYUAN ELECTRICIAN EQUIPMENTS Ltd
Current assignee: YIXING HUAYUAN ELECTRICIAN EQUIPMENTS Ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-07-21
Anticipated expiration: 2029-12-27

Abstract

The utility model belongs to the technical field of the electric power installation, especially, be an insulating sheath mounting tool, including the anchor clamps that open and shut, control handle and extension rod subassembly, the anchor clamps that open and shut contain two trapezoidal boards that the specification is the same, two trapezoidal boards keep the interval connection through the spud pile of its avris, the middle part of two trapezoidal boards is connected with two drive gears through two round pin hub rotations, two one side meshing that drive gear is relative are connected with bilateral rack, the tail end of bilateral rack is equipped with first screw, the equal fixedly connected with arm lock in one side that two drive gears deviate from mutually. The utility model discloses a control handle is the part that the staff was handheld, and the anchor clamps that open and shut are the part that is close to high-tension apparatus, and extension bar subassembly is for connecting the two intermediate part, docks the use according to the distance at high-voltage electrical components and staff operation position, consequently does not need the staff health to lean forward just can carry out insulating sheath's installation and change to the high-voltage switch part of more remote distance, guarantees staff's personal safety.

Description

Insulating sheath mounting tool

Technical Field

The utility model relates to an electric power installation technical field specifically is an insulating sheath mounting tool.

Background

In the process of installation and maintenance of the power distribution network, an insulating sheath needs to be installed or replaced for equipment such as an isolating switch, a drop-out fuse, a transformer and the like, and particularly in the process of maintenance of the power distribution network, the work is finished under the condition of electrification. The existing method comprises the following steps: the operation personnel manually complete the operation with the extremely thick insulating gloves by hands, and the insulating gloves are too thick and inconvenient to install because the insulating sheaths are mostly of a snap-type structure; the insulating gloves are possibly scratched by the sharp head at the front end of the snap fastener to cause electric shock danger; the operating personnel need right insulating sheath, the tight insulating sheath of another hand, and when high altitude construction, both hands are all occupied, are difficult to keep balance, have certain potential safety hazard, therefore people develop the installation apparatus of an insulating sheath at present and come the supplementary constructor to install the operation.

The current insulation sheath installation tools suffer from the following problems:

1. the existing insulating sheath mounting tool can only mount or replace insulating sheaths of equipment such as an isolating switch, a drop-out fuse, a transformer and the like in a short distance, so that a worker is required to be close to the high-voltage equipment to finish replacement, operation is inconvenient, and electric shock risks are caused.

2. The existing insulating sheath mounting tool cannot be used for unfolding and mounting an insulating sheath with a closed opening during high-altitude operation.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an insulating sheath mounting tool has solved present insulating sheath mounting tool and has needed the staff to be close to high-tension apparatus and just can accomplish the change, have the risk of electrocuting to and can not strut the problem of installation for the insulating sheath of closed state to the opening.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an insulating sheath mounting tool comprises an opening and closing clamp, a control handle and a lengthening rod assembly, wherein the opening and closing clamp comprises two trapezoidal plates with the same specification, the two trapezoidal plates are connected at intervals through positioning piles on the side edges of the trapezoidal plates, the middle parts of the two trapezoidal plates are rotatably connected with two transmission gears through two pin shafts, one opposite sides of the two transmission gears are meshed and connected with a bilateral rack, the tail end of the bilateral rack is provided with a first screw hole, one sides of the two transmission gears, which are opposite, are fixedly connected with clamping arms, the front ends of the two clamping arms are fixedly connected with inner clamping hooks, the front ends of the two inner clamping hooks are of a knife edge structure, the knife edge structure mirror is arranged, the control handle comprises two bending plates with the same specification, the two bending plates are connected at intervals through the positioning piles on the side edges of the two bending plates, and a telescopic rack is movably embedded, the front end of flexible rack is equipped with the second screw, two bottom side between the buckling plate is connected with through the round pin axle rotation and pulls the handle, pull the half side gear of top fixedly connected with of handle, half side gear engagement flexible rack, the extension bar subassembly contains the outer tube, it has interior square shaft to alternate in the outer tube, the equal fixedly connected with flange in both ends of outer tube, the both ends of interior square shaft all are connected with the reverse screw of double-end, the one end of extension bar subassembly pass through the flange with the coaxial butt joint of tail end of the anchor clamps that open and shut, the other end of extension bar subassembly pass through the flange with the coaxial butt joint of head end of controlling the handle, the both ends of interior square shaft respectively through the reverse screw of double-end with first screw with the second screw spiral shell closes the connection.

As a preferred technical scheme of the utility model, the centering ring has been concatenated at the middle part of interior square shaft, the outer disc swing joint of centering ring the inner wall of outer tube, the avris of outer tube is equipped with screws up the trompil.

As an optimized technical scheme of the utility model, the trailing end connection of flexible rack has the extension spring, the other end of extension spring colludes even the spud pile of control handle tail end.

As an optimized technical scheme of the utility model, the avris of interior trip is the angle of inclination setting, two when interior trip butt joint, its contact cross section is acute triangle-shaped.

As an optimized technical scheme of the utility model, the outer tube is the insulating tube, the interior square shaft is insulating axle.

(III) advantageous effects

Compared with the prior art, the utility model provides an insulating sheath mounting tool possesses following beneficial effect:

1. this insulating sheath mounting tool, control handle are the handheld part of staff, and the anchor clamps that open and shut are the part that is close to high-tension apparatus, and extension bar subassembly is for connecting the two intermediate part, and the distance according to high-voltage apparatus component and staff's operation position docks the use, consequently does not need the staff health to lean forward just can carry out insulating sheath's installation and change to the high-voltage switch part of further distance, guarantees staff's personal safety.

2. This insulating sheath mounting tool, when the opening of insulating cover is the closure state, the insulating cover that is the closure state with the opening imbeds from the avris of the interior trip front end edge of a knife of two butt joints of each other, then drives flexible rack antedisplacement through pulling the handle, flexible rack pushes bilateral rack antedisplacement through interior square shaft, bilateral rack meshing drives two drive gear deflections, and then drives two interior trips through two arm lock and opens, struts the insulating cover opening of closure state, therefore easy operation is swift and safety.

Drawings

FIG. 1 is a schematic view of the subjective structure of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

fig. 3 is a schematic view of the structure of the opening and closing clamp embedded in the insulating sheath.

In the figure: 1. opening and closing the clamp; 2. a trapezoidal plate; 3. a transmission gear; 4. a bilateral rack; 401. a first screw hole; 5. clamping arms; 6. an inner hook; 7. a control handle; 8. a bending plate; 9. a telescopic rack; 901. a second screw hole; 10. pulling the handle; 11. a half-side gear; 12. an extension bar assembly; 13. an outer sleeve; 14. an inner square shaft; 15. a flange; 16. a double-headed reverse screw; 17. a centering ring; 18. screwing down the open pore; 19. a tension spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: an insulating sheath mounting tool comprises an opening and closing clamp 1, a control handle 7 and a lengthening rod assembly 12, wherein the opening and closing clamp 1 comprises two trapezoidal plates 2 with the same specification, the two trapezoidal plates 2 are connected at intervals through positioning piles on the side edges of the trapezoidal plates 2, the middle parts of the two trapezoidal plates 2 are rotatably connected with two transmission gears 3 through two pin shafts, one opposite sides of the two transmission gears 3 are meshed and connected with a double-sided rack 4, the tail end of the double-sided rack 4 is provided with a first screw hole 401, the opposite sides of the two transmission gears 3 are fixedly connected with clamping arms 5, the front ends of the two clamping arms 5 are fixedly connected with inner clamping hooks 6, the front ends of the two inner clamping hooks 6 are of a knife edge structure, the knife edge structure is arranged in a mirror manner, the control handle 7 comprises two bending plates 8 with the same specification, the two bending plates 8 are connected at intervals through the positioning piles on the side, the front end of flexible rack 9 is equipped with second screw 901, the bottom side between two bent plates 8 is connected with through the round pin axle rotation and pulls handle 10, pull half gear 11 of the top fixedly connected with of handle 10, half gear 11 meshes flexible rack 9, extension bar subassembly 12 contains outer tube 13, square shaft 14 has been alternate in the outer tube 13, equal fixedly connected with flange 15 in both ends of outer tube 13, the both ends of square shaft 14 all are connected with double-end reverse screw 16, flange 15 and the coaxial butt joint of the tail end of the anchor clamps 1 that open and shut are passed through to the one end of extension bar subassembly 12, flange 15 and the coaxial butt joint of head end of controlling handle 7 are passed through to the other end of extension bar subassembly 12, the both ends of square shaft 14 are screwed with first screw 401 and second screw 901 through double-end reverse screw 16 respectively and are connected.

In this embodiment, the control handle 7 is a component held by a worker, the opening and closing clamp 1 is a component close to high-voltage equipment, and the extension bar assembly 12 is an intermediate component for connecting the two components, so as to be butted for use according to the distance between a high-voltage electrical component and an operation part of the worker.

When the high-voltage insulating sleeve is used, a tiger's mouth of a hand of a worker is buckled with two bending plates 8, then the four fingers are used for driving a pulling handle 10 to deflect backwards, at the moment, the pulling handle 10 reversely drives a telescopic rack 9 to move forwards through a half-side gear 11, if a control handle 7 is directly connected with an opening and closing clamp 1, and the telescopic rack 9 is directly connected with a double-side rack 4, the telescopic rack 9 drives the double-side rack 4 to extend forwards, the double-side rack 4 is meshed to drive two transmission gears 3 to deflect in a mutually reverse linkage manner, and further, two clamping arms 5 drive an inner clamping hook 6 to open, when the inner clamping hook 6 opens to the maximum amplitude, a high-voltage insulating sleeve is placed between the two clamping arms 5, the opening of the high-voltage insulating sleeve faces outwards, at the moment, the pulling handle 10 is loosened, the two inner clamping hooks 6 are mutually buckled, a knife edge structure at the front end of the inner clamping hook is embedded into the, then pulling the wrench handle 10 again, the two inner hooks 6 are opened again, so as to drive the open end of the high-voltage insulating sleeve to open, after the open end of the high-voltage insulating sleeve opens, the high-voltage insulating sleeve is aligned to the high-voltage electrical component, then the high-voltage insulating sleeve is buckled on the surface of the high-voltage electrical component, then the wrench handle 10 is continuously pulled again to the maximum stroke, at the moment, because of the change of the angle, the knife edge parts at the front ends of the two inner hooks 6 are separated from the open end of the high-voltage insulating sleeve, and thus, a whole set of operation flow is realized;

when the length of the control handle 7 and the opening and closing clamp 1 is not enough after butt joint, the extension rod assembly 12 is used for extension, the operation steps are inconvenient, force is conducted through the inner square shaft 14 in the action process, and therefore the insulating sheath can be installed and replaced on a long-distance high-voltage switch component without the need that the body of a worker leans forward, and the personal safety of the worker is guaranteed.

Specifically, a centering ring 17 is connected in series with the middle of the inner square shaft 14, the outer circular surface of the centering ring 17 is movably connected with the inner wall of the outer sleeve 13, and a tightening opening 18 is arranged on the side of the outer sleeve 13.

In this embodiment, the centering ring 17 is used to keep the outer sleeve 13 and the inner square shaft 14 concentric, and after the two ends of the outer sleeve 13 are butted with the control handle 7 and the opening and closing clamp 1 through the flanges 15, the inner square shaft 14 can also be butted with the first screw hole 401 and the second screw hole 901 concentrically through the double-headed reverse screw 16, and then the double-headed reverse screw 16 is screwed with the first screw hole 401 and the second screw hole 901 by rotating the inner square shaft 14.

Specifically, the tail end of the telescopic rack 9 is connected with a tension spring 19, and the other end of the tension spring 19 is hooked with a positioning pile at the tail end of the control handle 7.

In this embodiment, extension spring 19 pulls the tail end of telescopic rack 9 under the normality, and after control handle 7 is connected with opening and shutting anchor clamps 1 through extension bar subassembly 12, telescopic rack 9 passes through the inside square shaft 14 pulling bilateral rack 4 and moves backward, and bilateral rack 4 drives two arm lock 5 and interior trip 6 lock each other through two drive gear 3, so two interior trip 6 relative one sides laminate mutually and be the edge of a knife structure to the insulating casing's that the embedding needs to strut oral area.

Specifically, the side of the inner hook 6 is set at an inclined angle, and when the two inner hooks 6 are butted, the contact cross section is an acute triangle.

In the embodiment, when the opening of the insulating sleeve is in a closed state, the opening of the insulating sleeve in the closed state can be embedded through the knife edge at the front end of the two inner clamping hooks 6, then the opening of the insulating sleeve is expanded by pulling the bilateral rack 4, during specific operation, the insulating sleeve with the closed opening is embedded from the side edge of the knife edge at the front end of the two inner clamping hooks 6 which are mutually butted, at the moment, the connection state of the two inner clamping hooks and the two inner clamping hooks can refer to the attached drawing III in the specification, then the handle 10 is pulled to drive the telescopic rack 9 to move forwards, the telescopic rack 9 pushes the bilateral rack 4 to move forwards through the inner square shaft 14, the bilateral rack 4 is meshed to drive the two transmission gears 3 to deflect, then the two inner clamping hooks 6 are driven by the two clamping arms 5 to be expanded, and the opening of the.

Specifically, the outer sleeve 13 is an insulating tube, and the inner square shaft 14 is an insulating shaft.

In this embodiment, the outer sleeve 13 is an insulating tube, the inner square shaft 14 is an insulating shaft, specifically, the outer sleeve 13 is a tube made of nylon material or a tube made of engineering plastic, and the inner square shaft 14 is a rod made of nylon material or a rod made of engineering plastic, so that the opening and closing clamp 1 and the control handle 7 can be kept in an insulating state, and the problem of high-voltage electric shock is avoided.

The double-headed reverse screw 16 in the present embodiment is a known technique which has been disclosed to be widely used in industrial production and daily life.

The utility model discloses a theory of operation and use flow: the tiger's mouth of the staff's hand is buckled with two bending plates 8, then the four fingers are used to drive the wrenching handle 10 to deflect backwards, at this time, the wrenching handle 10 reversely drives the telescopic rack 9 to move forwards through the half-side gear 11, if the control handle 7 is directly connected with the opening and closing clamp 1, and the telescopic rack 9 is directly connected with the double-side rack 4, at this time, the telescopic rack 9 drives the double-side rack 4 to extend forwards, the double-side rack 4 is meshed to drive the two transmission gears 3 to deflect in a mutually reverse linkage manner, and further, the two clamping arms 5 drive the inner clamping hook 6 to open, when the inner clamping hook 6 opens to the maximum extent, the high-voltage insulating sleeve is placed between the two clamping arms 5, and the opening of the high-voltage insulating sleeve faces outwards, at this time, the wrenching handle 10 is loosened, the two inner clamping hooks 6 are mutually buckled, the knife edge structure at the front end of the, then pull the hand grip 10 again, two inner trip 6 open again, and then drive the open end of the high-voltage insulating bush to open, after opening of the high-voltage insulating bush, aim at the high-voltage electrical component it, then the surface of the high-voltage electrical component of buckling of high-voltage insulating bush, continue pulling the hand grip 10 to its maximum stroke again, because of the change of the angle at this moment, the knife edge position of the front end of two inner trip 6 breaks away from the opening of the high-voltage insulating bush, so as to realize a whole set of operation flow, when the length is insufficient after controlling the hand grip 7 and opening and shutting the clamp 1 to dock, lengthen through the lengthening pole assembly 12, the operation step is inconvenient at this moment, its movement process carries on the transmission of the force through the square shaft 14; when the opening of the insulating sleeve is in a closed state, the opening of the insulating sleeve in the closed state can be embedded through the knife edge at the front end of the two inner clamping hooks 6, then the opening of the insulating sleeve is expanded by pulling the double-sided rack 4, during specific operation, the insulating sleeve with the closed opening is embedded from the side edge of the knife edge at the front end of the two inner clamping hooks 6 which are mutually butted, the connection state of the two inner clamping hooks and the insulating sleeve can refer to the attached drawing III in the specification, then the telescopic rack 9 is driven to move forwards by pulling the handle 10, the telescopic rack 9 pushes the double-sided rack 4 to move forwards through the inner square shaft 14, the double-sided rack 4 is meshed to drive the two transmission gears 3 to deflect, then the two inner clamping hooks 6 are driven to open through the two clamping arms 5.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an insulating sheath mounting tool, is including opening and shutting anchor clamps (1), control handle (7) and extension bar subassembly (12), its characterized in that: the opening and closing clamp (1) comprises two trapezoidal plates (2) with the same specification, the two trapezoidal plates (2) are connected at intervals through positioning piles on the side edges of the trapezoidal plates, the middle parts of the two trapezoidal plates (2) are rotatably connected with two transmission gears (3) through two pin shafts, one opposite sides of the two transmission gears (3) are meshed with a double-sided rack (4), the tail end of the double-sided rack (4) is provided with a first screw hole (401), one sides of the two transmission gears (3) which are deviated from each other are fixedly connected with clamping arms (5), the front ends of the two clamping arms (5) are fixedly connected with inner clamping hooks (6), the front ends of the inner clamping hooks (6) are of a knife edge structure, the mirror of the knife edge structure is arranged, the control handle (7) comprises two bending plates (8) with the same specification, and the two bending plates (8) are connected at intervals through the positioning piles on the side, a telescopic rack (9) is movably embedded between the two bending plates (8), a second screw hole (901) is formed in the front end of the telescopic rack (9), a pulling handle (10) is rotatably connected to the bottom side between the two bending plates (8) through a pin shaft, a half gear (11) is fixedly connected to the top end of the pulling handle (10), the half gear (11) is meshed with the telescopic rack (9), the extension rod assembly (12) comprises an outer sleeve (13), an inner square shaft (14) is inserted in the outer sleeve (13), flanges (15) are fixedly connected to the two ends of the outer sleeve (13), double-headed reverse screws (16) are connected to the two ends of the inner square shaft (14), one end of the extension rod assembly (12) is coaxially butted with the tail end of the opening and closing clamp (1) through the flanges (15), and the other end of the extension rod assembly (12) is coaxially butted with the head end of the control handle (7) through the flanges (15), two ends of the inner square shaft (14) are respectively in threaded connection with the first screw hole (401) and the second screw hole (901) through double-headed reverse screws (16).

2. An insulation sheath installation tool as claimed in claim 1, wherein: the middle part of inside square shaft (14) has concatenated centering ring (17), the outer disc swing joint of centering ring (17) the inner wall of outer tube (13), the avris of outer tube (13) is equipped with screws up trompil (18).

3. An insulation sheath installation tool as claimed in claim 1, wherein: the tail end of the telescopic rack (9) is connected with a tension spring (19), and the other end of the tension spring (19) is hooked with the positioning pile at the tail end of the control handle (7).

4. An insulation sheath installation tool as claimed in claim 1, wherein: the side of the inner clamping hook (6) is arranged at an inclined angle, and when the two inner clamping hooks (6) are in butt joint, the contact cross section of the two inner clamping hooks is in an acute triangle shape.

5. An insulation sheath installation tool as claimed in claim 1, wherein: the outer sleeve (13) is an insulating tube, and the inner square shaft (14) is an insulating shaft.