JP2020068612A - Bird damage prevention tool for arm - Google Patents

Abstract

To provide a needle-shaped bird damage prevention tool for an arm that can be easily attached to the arm.SOLUTION: A bird damage prevention tool 10 includes a prevention tool body 1 and a support fitting 2. The prevention tool body 1 is composed of a strip-shaped substrate 1b and a plurality of needle bodies 1p. The support fitting 2 includes a pair of grip pieces 2a and 2b into which an arm A can be introduced. The substrate 1b includes a rectangular guide groove 11 formed from the bottom surface. The support fitting 2 includes a guide rail 21 that fits in the guide groove 11 to support the prevention tool body 1 and guides the prevention tool body 1 slidably along the longitudinal direction of the arm A. The support fitting 2 includes a grip portion 22 that can be gripped by an insulating operation rod 5. The bird damage prevention tool 10 can be installed on the arm A without interfering with an arm tie At.SELECTED DRAWING: Figure 1

Description

  TECHNICAL FIELD The present invention relates to a bird damage prevention tool for a wristwatch. In particular, it is a bird damage prevention tool for arms that is suitable for indirect live work that can perform electrical work in an uninterrupted state by using an insulated operating rod, and can be used for arms such as birds such as crows or pigeons fixed to utility poles. The present invention relates to a structure of a bird damage prevention device for a armband that prevents bird damage caused by nesting.

  For example, a utility pole is mounted with a square pipe arm in a substantially horizontal state. The armrest supports the overhead power transmission line through the pin insulator. When birds such as crows and pigeons nest on a armband fixed to an electric pole, there is a risk that bird droppings may occur, such as bird droppings adhering to the electric pillars. For this reason, there is known a bird damage countermeasure for preventing birds from flying by arranging a frame-shaped bird damage prevention device of a plurality of umbrellas, a so-called umbrella-bone-shaped bird damage prevention device, on the arm. See, for example, Patent Document 1).

  On the other hand, there is also known a bird damage countermeasure that prevents birds from flying by installing a so-called needle mountain-shaped bird damage prevention tool with a sharp-pointed needle body on the upper surface of the arm (for example, patents Reference 2).

JP, 2014-117269, A JP, 11-289644, A

  FIG. 9: is a side view which shows the structure of the conventional bird damage prevention tool of an umbrella bone type. FIG. 10 is a front view showing, in an enlarged manner, a conventional umbrella damage type bird damage preventing device. 9 and 10 of the present application correspond to FIGS. 1 and 2 of Patent Document 1.

  With reference to FIG. 9 or FIG. 10, a conventional umbrella damage type bird damage prevention device 8 includes a straight cylindrical extending main shaft member 81 and two annular branch members 82. In addition, the bird damage prevention device 8 includes a plurality of branch rods 83 having different lengths and two tubular sleeves 84.

  Referring to FIG. 9 or 10, the branch member 82 may have the main shaft member 81 inserted therein. The base end portion of the branch rod 83 is fixed to the outer periphery of the branch member 82. The plurality of branch rods 83 are arranged radially in the centrifugal direction of the branch member 82, and their tip portions are arranged so as to be inclined downward from the branch member 82.

  Referring to FIG. 9 or 10, the sleeve 84 has the main shaft member 81 inserted therein. By interposing one sleeve 84 between the base end of the main shaft member 81 and the lower branch member 82, the height from the base end of the main shaft member 81 to the lower branch member 82 can be defined. Further, by interposing the other sleeve 84 between the upper branch member 82 and the lower branch member 82, the distance between the upper branch member 82 and the lower branch member 82 can be defined. Further, by fastening the stone projection 81a to the tip end portion of the main shaft member 81, the constituent members of the bird damage prevention tool 8 can be integrated.

  With reference to FIG. 9 or FIG. 10, the bird damage prevention tool 8 further includes a support fitting 85. The support fitting 85 has a support member 85a bent in an L shape and a bolt member 85b bent in an L shape. The support fitting 85 has a nut member 85c and a triangular pressing member 85d.

  Referring to FIG. 10, the support member 85a has an insertion hole, which can be inserted through the base end portion of the main shaft member 81, on the tip end side of one piece. By inserting the base end portion of the main shaft member 81 into the insertion hole and fastening the nut member 91n to the base end portion of the main shaft member 81, the bird damage prevention tool 8 can be fixed to the tip end portion of the support member 85a. The base end side of one piece of the support member 85a is placed on the upper surface of the armrest A, and the other piece of the support member 85a is arranged to face the side surface of the armpiece A.

  Referring to FIG. 10, one end of the bolt member 85b is locked to one piece of the support member 85a. Further, the bolt member 85b has a male screw portion screwed on the other end side. In a state where the other end of the bolt member 85b and the other end of the support member 85a are arranged to face both side surfaces of the arm member A, the other end of the bolt member 85b penetrates the holding member 85d and the support member 85a. It projects from the other piece. Then, by fastening the nut member 85c to the male screw portion of the bolt member 85b, the bird damage prevention tool 8 can be supported on the armor A via the support fitting 85. The upper surface of the pressing member 85d is in contact with the lower surface of the arm A.

  Referring to FIG. 10, the armrest A is cantilevered by the telephone pole P. Further, the arm A is arranged in a substantially horizontal state. The armature A has three pin insulators Pi arranged at substantially equal intervals. Referring to FIG. 9, the pair of arms A and A are arranged substantially parallel to each other with the electric pole P interposed therebetween.

  With reference to FIG. 9 or FIG. 10, the bird damage prevention device 8 according to Patent Document 1 is arranged in the central portion of a pair of pin insulators Pi and Pi that are adjacent to each other, and a pair of opposing armrests A and A. Since the plurality of branch rods 83 are arranged in the central portion, the ends of the plurality of branch rods 83 do not come into contact with the pin insulators Pi, and the plurality of branch rods 83 are radially arranged so as to cover the area inside the four pin insulators Pi. It is said that nesting can be reliably prevented regardless of the size of birds.

  Further, referring to FIG. 9 or FIG. 10, in the bird damage prevention device 8 according to Patent Document 1, since a plurality of branch rods 83 can be provided at intervals in the vertical direction, the arrangement density of the plurality of branch rods 83 can be increased. It is said that it will be possible to more reliably prevent nesting due to flying birds.

  FIG. 11 is a perspective view showing a configuration of a needle-crest type bird damage prevention device according to a conventional technique, and is a state diagram in which the needle-crest type bird damage prevention device is attached to a arm. FIG. 12 is a perspective exploded view showing a structure of a needle-crest type bird damage preventing device according to a conventional technique.

  FIG. 13 is a right side view of a needle-crest-shaped bird damage prevention device according to the related art, and is a state change diagram showing a procedure for attaching the needle-crest-shaped bird damage prevention device to the arm. FIG. 14 is a mounting column diagram of a arm to which a needle-crest type bird damage preventing device according to the related art is attached.

  Note that FIGS. 11 and 12 of the present application correspond to FIGS. 5 and 2 of Patent Document 2. Further, FIG. 13 of the present application corresponds to FIG. 4 of Patent Document 2.

  With reference to FIG. 11 or FIG. 12, a needle mountain-shaped bird damage prevention device 9 according to the related art includes a prevention device body 91 and a C-shaped support fitting 92. The preventive tool main body 91 can prevent birds from flying to the armband A and nesting. The preventive tool body 91 is formed of an insulating synthetic resin. The support fitting 92 can attach the preventive tool body 91 to the armband A, and can support the preventive tool body 91.

  With reference to FIG. 11 or FIG. 12, the preventer body 91 includes a band-plate-shaped lattice plate 91g and a plurality of needle bodies 91p having sharp tips. The lattice plate 91g includes a plurality of vertical rail members 911 extending in the longitudinal direction and a plurality of horizontal rail members 912 that are substantially orthogonal to the vertical rail members 911. The needle body 91p is erected from the intersection of the vertical rail member 911 and the horizontal rail member 912 or from the end edge portion of the horizontal rail member 912.

  With reference to FIG. 11 or 12, the support fitting 92 has a pair of grip pieces 92a and 92b and a connecting piece 92c. The pair of gripping pieces 92a and 92b are arranged substantially parallel to each other with a predetermined gap. The pair of gripping pieces 92a and 92b have bolt insertion holes 92h at their tips. The connecting piece 92c connects the base end portions of the pair of gripping pieces 92a and 92b.

  With reference to FIG. 11 or 12, the arm A can be introduced between the pair of grip pieces 92a and 92b from the side direction thereof. After the armature A is introduced between the pair of gripping pieces 92a and 92b, the bolt member 93 is inserted into the bolt insertion hole 92h, and the nut member N is fastened to the tip end side of the bolt member 93. Can be fixed to armband A.

  Referring to FIG. 18 or FIG. 19, the support fitting 92 further includes a rectangular holding plate 94. The holding plate 94 is welded to the upper surface of the one holding piece 92a. The holding plate 94 has a pair of hook-shaped fitting pieces 94a, 94a standing upright from one side portion thereof. Further, the sandwiching plate 94 has a pair of hook-shaped locking pieces 94b, 94b provided upright from the other side portion. The fitting piece 94a and the locking piece 94b are arranged to face each other.

  With reference to FIG. 11 or FIG. 12, the distance between the fitting piece 94a and the locking piece 94b has a dimension such that a set of vertical bar members 911, 911 formed on the preventive tool body 91 fit. . After fitting the one vertical bar member 911 to the pair of fitting pieces 94a and 94a, and then pushing the other vertical bar member 911 into the pair of locking pieces 94b and 94b, the preventive tool body 91 is clamped by the holding plate 94. Can be attached to.

  Next, a procedure for attaching the bird damage prevention tool 9 thus configured to the armrest A will be described. First, referring to FIG. 11, the grid plate 91g formed in a long size is cut so as to match the length from the pin insulator Pi protruding on the armrest A to the end of the armrest A to prevent it. The tool body 91 is dimensioned. Then, the sandwiching plate 94 of the support fitting 92 is attached to the lower surface of the lattice plate 91g at the center position in the longitudinal direction of the preventive tool body 91 thus dimensioned.

  In the above-mentioned attachment procedure, as shown in FIG. 13A, the support fitting 92 is arranged below the preventive tool body 91. Next, by pressing the lattice plate 91g toward the holding plate 94 of the support fitting 92, a pair of vertical bar members 911 and 911 can be fitted between the pair of fitting pieces 94a and 94a (see FIG. 11). ). Then, as shown in FIG. 13B, the support fitting 92 can support the preventive tool body 91.

  Next, with reference to FIG. 13C, the connecting piece 92c of the support fitting 92 is clamped by the tool portion 52 provided at the tip of the insulating operation rod 5. Next, the insulating operation rod 5 is operated to introduce the armature A between the pair of gripping pieces 92a and 92b to hook the support fitting 92, as shown in FIG. 13 (D).

  Next, referring to FIG. 13 (E), using the insulating operation rod 5, the bolt member 93 is inserted from above from the bolt insertion hole 92h opened in the gripping pieces 92a and 92b. By attaching the nut member N to the box wrench attached to the tip of the insulating operation rod (not shown) and operating the insulating operation rod (not shown), as shown in FIG. The nut member N can be fastened to the member 93. As a result, as shown in FIG. 11, the needle-crest shaped bird damage preventing tool 9 can be fixed to the upper surface of the arm member A.

  Comparing the umbrella-bone-type bird damage preventive tool 8 shown in FIG. 9 or 10 with the needle mountain-shaped bird damage preventive tool 9 shown in FIGS. 11 to 13, the umbrella-bone type bird damage preventive tool 8 is Compared with the needle-crest type bird damage preventive tool 9, the unit price is generally high because of its complicated structure. Therefore, it is preferable in terms of installation cost to arrange a plurality of needle mountain-shaped bird damage prevention tools 9 on the armrest.

  Further, when comparing the umbrella-bone-type bird damage prevention tool 8 and the needle-yama-shaped bird damage prevention tool 9, the umbrella-bone-shaped bird damage-prevention tool 8 has a plurality of There is a problem that it is often difficult to attach an armature having an edge line, which bypasses the armband, etc., by using an insulating operation bar for indirect live-line construction, which has a large outer shape constituted by the branch bar 83. is there.

  On the other hand, referring to FIG. 14, the electric pole P supports the central portion of the armband A. Two pin insulators Pi and Pi are arranged on one end side of the armature A. One of the pin insulators Pi is arranged at the end of the armature A on the one end side. The other pin insulator Pi is arranged near the electric pole P on one end side of the armature A. On the other end side of the armature A, one pin insulator Pi is arranged at the end.

  Further, referring to FIG. 14, the telephone pole P has an inclined arm tie At. One end of the arm tie At is connected to an arm tie band Bt tightened to the electric pole P. The other end of the arm tie At is connected to the center of the arm A on the other end side. By supporting the armrest A on the electric pole P with the arm tie At, the inclination of the armrest A can be suppressed.

  By the way, as described above, the needle mountain-shaped bird damage prevention device 9 according to Patent Document 2 has the support metal member 92 mounted on the arm after the support metal member 92 is attached to the center position of the prevention device main body 91 in the longitudinal direction (see FIG. 11). It is fixed to gold A. Therefore, referring to FIG. 14, on the other end portion side of the arm member A, the support fitting 92 interferes with the arm tie At, and there is a problem that it becomes difficult to attach the bird damage preventive tool 9.

  Referring to FIG. 14, the bird damage prevention tool 9 is lowered to the ground so that the support metal fitting 92 does not interfere with the arm tie At, the mounting position of the support metal fitting 92 with respect to the protection tool body 91 is corrected, and the bird damage is prevented again. Since the preventive tool 9 is attached to the armrest A, there is a problem that work efficiency is reduced.

  There is a need for a needle-harvest bird armor damage prevention device that can be easily attached to a arm reinforced with an arm tie by using an insulated operating rod for indirect live work. The above is the subject of the present invention.

  The present invention has been made in view of the above problems, and uses an insulated operating rod for indirect live-line construction, and can be easily attached to a arm reinforced with an arm tie. The purpose is to provide a preventive device.

  The present inventor fixes a support metal fitting to a armrest reinforced with an arm tie, and connects the support body to the support metal so that the needle mountain-shaped preventive tool main body can slide along the longitudinal direction of the armwear. Then, it was thought that the above-mentioned problems could be solved, and based on this, the inventors have invented the following new needle-crest-shaped bird-harm prevention device for arms.

  (1) A bird damage prevention tool for a armband according to the present invention is a bird's-eye damage prevention tool for a armband that can be installed on a armrest reinforced at least one end side with an arm tie, and has a band-shaped substrate, and , A longitudinal body extending from the substrate in the longitudinal direction thereof, and a preventive tool main body composed of a plurality of needle bodies having sharp tips, and a pair of gripping pieces arranged so as to be able to introduce the arm from the side surface side thereof, and these And a C-shaped support fitting having a connecting piece that connects the base ends of the gripping pieces to each other, the substrate has a rectangular guide groove formed from the bottom surface thereof, and the support fitting is A rectangular guide rail that stands upright from the gripping piece, fits in the guide groove to support the preventive tool body, and guides the preventive tool body slidably along the longitudinal direction of the armrest, Project from the other gripping piece and grip with an insulated operating rod for indirect live work. Has a gripping portion that, the.

  (2) The guide groove has a V groove formed on one inner wall along the longitudinal direction and an arc groove formed on the other inner wall along the longitudinal direction, and the guide rail has one side surface. It is preferable to have a mountain-shaped ridge formed on the other side surface and fitted to the V-shaped groove, and a semi-circular ridge formed on the other side surface and fitted to the arc-shaped groove.

  (3) The support fitting includes a rotating shaft having both ends rotatably connected to the one gripping piece, a bolt member having a head joined to the rotating shaft in a T-shape, and the bolt member. One or more nut members that can be screwed into the threaded portion, and the other gripping piece has a notch portion that is notched from the leading edge and that allows the bolt member to be introduced from the outer peripheral direction. It is preferable that the support fitting can be fixed to the arm member by fastening the nut member to the other grip piece after the bolt member is introduced into the portion.

  The bird damage prevention tool for a wristwatch according to the present invention comprises a belt-shaped substrate and a plurality of needle bodies that are forested on the substrate, and a C-shaped support fitting that can be fixed to the wristband. The tool main body has a rectangular guide groove, and the support fitting has a guide rail that fits in the guide groove and slidably guides the preventive tool main body along the longitudinal direction of the arm member. The bird damage prevention tool for armgear can be installed on the armgear without interfering with.

It is a perspective view showing composition of a bird damage prevention tool for arms according to one embodiment of the present invention. It is the perspective view which expanded the principal part of the bird damage prevention tool for arms according to the said embodiment. It is a figure which shows the structure of the support metal fitting with which the bird damage prevention tool for armbands by the said embodiment is provided, FIG.3 (A) is a front view of a support metal fitting, FIG.3 (B) is a top view of a support metal fitting, FIG. 3 (C) is a right side view of the support fitting, FIG. 3 (D) is a left side view of the support fitting, and FIG. 3 (E) is a bottom view of the support fitting. It is a front view which shows the use condition of the bird damage prevention tool for arms according to the said embodiment, and is a state figure before mounting the bird damage prevention tool for arms on a arm. FIG. 6 is a front view showing a usage state of the arm damage bird damage prevention tool according to the embodiment, and is a state diagram in which the arm wear bird damage prevention tool is attached to the arm metal. FIG. 6 is a mounting column diagram of a arm member to which the bird damage prevention tool for arm members according to the embodiment is attached. It is a front view showing composition of an insulating operation stick for operating the bird damage prevention tool for arm chains by the present invention. It is the front view which expanded the principal part of FIG. It is a side view which shows the structure of the bird damage prevention tool of an umbrella bone type | formula by a prior art. It is a front view shown in the state where the umbrella damage type bird damage prevention device by conventional technology was expanded. It is a perspective view which shows the structure of the needle mountain-shaped bird damage prevention tool by a prior art, and is a state figure which attached the needle mountain-shaped bird damage prevention tool to the arm. It is a perspective disassembled assembly drawing which shows the structure of the bird damage prevention tool of a needle mountain shape by a prior art. FIG. 8 is a right side view of a needle mountain-shaped bird damage prevention device according to the related art, and is a state change diagram showing a procedure of attaching the needle mountain-shaped bird damage prevention device to the arm. FIG. 4 is a mounting column diagram of a armrest to which a needle mountain-shaped bird damage preventing device according to the related art is attached.

  Embodiments for carrying out the present invention will be described below with reference to the drawings.

  Before describing the configuration of the bird damage prevention tool for a wrist according to the present invention, the configuration of an insulating operation rod for operating the bird damage prevention tool for a wrist according to the present invention will be described.

(Structure of insulated operating rod)
With reference to FIG. 7 or FIG. 8, the insulating operating rod 5 is composed of a long operating rod 51 and a tool portion 52. Further, the insulating operating rod 5 includes an operating rod 53. The tool portion 52 is attached to the tip of the operation rod 51.

  With reference to FIG. 7 or FIG. 8, the tool part 52 is composed of a pair of curved gripping arms 5a and 5b that opens and closes. The one gripping arm 5a is a fixed arm whose base end is fixed, and the other gripping arm 5b rotates about a rotation shaft 5c provided at the base end of the one gripping arm 5a. It has movable arms.

  Referring to FIG. 7, the operating rod 53 is held along the operating rod 51. The tip of the actuation rod 53 is rotatably connected to the other gripping arm 5b. Then, by operating the operation lever 54 provided at the proximal end portion of the actuation rod 53, one gripping arm 5a can be opened and closed with respect to the other gripping arm 5b. The insulating operating rod 5 is formed of a plastic pipe or the like having an insulating property at an intermediate portion between the operating rod 51 and the actuating rod 53, and has insulating properties suitable for the indirect live-wire construction method.

  Referring to FIG. 7, when the operation lever 54 is grasped and brought close to the operation rod 51, the one gripping arm 5a can be closed with respect to the other gripping arm 5b. When the operating lever 54 is released, the force of a spring (not shown) connected to the operating lever 54 can open the other gripping arm 5b with respect to the one gripping arm 5a. FIG. 7 or FIG. 8 shows a state in which the other gripping arm 5b is opened to the maximum with respect to the one gripping arm 5a.

  With reference to FIG. 7 or FIG. 8, one gripping arm 5a projects a tapered gripping claw 51a. The grip claw 51a forms a grip surface 50a. The grip surface 50a is formed substantially parallel to the centrifugal direction from the center of rotation of the rotating shaft 5c. Similarly, the other gripping arm 5b projects a tapered gripping claw 51b. The grip claw 51b forms a grip surface 50b. The gripping surface 50b is arranged with a predetermined opening angle with respect to the gripping surface 50a. With reference to FIG. 7 or FIG. 8, when the operating lever 54 is gripped, the grip surface 50b can be brought close to the grip surface 50a.

  The insulating operation rod 5 shown in FIG. 7 or FIG. 8 is a so-called “insulating cot” in which a pair of gripping claws 51a and 51b can grip a high-voltage distribution line or the like arranged at a high place.

[Structure of the bird damage prevention tool for armbands]
(overall structure)
Next, a structure of a bird damage prevention tool for armband according to an embodiment of the present invention will be described. Referring to FIGS. 1 to 6, a bird damage prevention tool for a armband (hereinafter, abbreviated as bird damage prevention tool) 10 according to an embodiment of the present invention may be installed on a armband A. The armband A is mounted on the telephone pole P in a substantially horizontal state. The arm A has one end reinforced with an arm tie At.

  With reference to FIGS. 1 to 6, by installing the bird damage prevention tool 10 on the armrest A, it is possible to prevent birds and the like from flying and nesting on the armrest A.

  Referring to FIGS. 1 to 6, a bird damage prevention device 10 includes a prevention device body 1 and a C-shaped support fitting 2. The preventive tool main body 1 is composed of a strip-shaped substrate 1b and a plurality of conical needle bodies 1p having sharp tips. The plurality of needles 1p stand in the longitudinal direction from the substrate 1b. It is preferable that the substrate 1b and the plurality of needles 1p are integrally formed of an insulating synthetic resin.

  Referring to FIGS. 1 to 5, the support fitting 2 has a pair of grip pieces 2a and 2b and a connecting piece 2c. The pair of gripping pieces 2a and 2b are arranged substantially parallel to each other with a predetermined gap. The armrest A can be introduced into the pair of gripping pieces 2a and 2b from the side surface side thereof. The connecting piece 2c connects the base end portions of the pair of gripping pieces 2a and 2b.

  Referring to FIG. 2 or FIG. 3A, the substrate 1b has a rectangular guide groove 11. The guide groove 11 is bored from the bottom surface of the substrate 1b. On the other hand, the support fitting 2 has a rectangular guide rail 21. The guide rail 21 is erected from the one grip piece 2a via the support column 2p.

  Referring to FIG. 2 or FIG. 3A, the guide rail 21 can be fitted in the guide groove 11. By fitting the guide rail 21 into the guide groove 11, the preventive tool body 1 can be supported. Further, by fitting the guide rail 21 into the guide groove 11, the preventive tool body 1 can be slidably guided along the longitudinal direction of the arm member A.

  For example, referring to FIG. 2, the guide groove 11 can be configured by a V groove 11v and an arc groove 11s. The V groove 11v is formed on one inner wall along the longitudinal direction of the guide groove 11. The arcuate groove 11s is formed on the other inner wall along the longitudinal direction of the guide groove 11.

  On the other hand, referring to FIG. 2, the guide rail 21 has a mountain-shaped protrusion 21m that fits into the V groove 11v on one side surface. Further, the guide rail 21 has a semi-arcuate ridge 21s formed on the other side surface, which fits into the arc groove 11s. The guide rail 21 can be introduced into the guide groove 11 by opening the V groove 11v and the arc groove 11s in opposite directions at the center of the guide groove 11. It is preferable that the mountain-shaped protrusion 21m is first introduced into the V-shaped groove 11v and the semi-circular arc-shaped protrusion 21s is subsequently introduced into the arc-shaped groove 11s.

  Further, referring to FIGS. 2 to 5, the support fitting 2 has a grip portion 22 protruding from the other grip piece 2b. As a substance, the grip portion 22 is configured by a rectangular plate joined to the outer surface of the connecting piece 2c by welding (see FIG. 3D). The grip portion 22 can be gripped by the insulating operation rod 5 for indirect live work (see FIG. 7 or FIG. 8).

  Referring to FIG. 1 to FIG. 6, a bird damage prevention tool 10 according to an embodiment is fixed to an armor A and a tool body 1 composed of a strip-shaped substrate 1b and a plurality of needles 1p standing on the substrate 1b. C-shaped support metal fitting 2 which can be provided, the preventive tool main body 1 has a rectangular guide groove 11, the support metal fitting 2 is fitted in the guide groove 11, and is prevented along the longitudinal direction of the arm A. Since the guide rail 21 that slidably guides the tool body 1 is provided, the bird damage prevention tool 10 can be installed on the armor A without interfering with the arm tie At (see FIG. 1 or 6).

(Structure of support bracket)
Next, the structure of the support fitting 2 according to the embodiment will be described. 1 to 5, the support fitting 2 further includes a rotating shaft 23s, a bolt member 23, and one or more nut members N. The turning shaft 23s is rotatably connected at its both ends to a bending piece formed on one gripping piece 2a. The bolt member 23 has its head joined to the rotary shaft 23s in a T-shape. The nut member N can be screwed with the threaded portion of the bolt member 23.

  Referring to FIG. 2 or FIG. 3 (E), the other gripping piece 2b has a cutout portion 23d cut out from the tip edge. The bolt member 23 can be introduced into the notch portion 23d from the outer peripheral direction.

  With reference to FIG. 3 or FIG. 5, the support fitting 2 can be fixed to the armor A by fastening the nut member N to the other gripping piece 2b in a state where the bolt member 23 is introduced into the cutout portion 23d.

[Effects of the bird damage prevention tool for the armband]
Next, the operation and effect of the bird damage prevention tool 10 will be described while describing the operation procedure of the bird damage prevention tool 10 according to the embodiment.

  First, with reference to FIG. 4, the grip portion 22 is gripped by the pair of grip arms 5 a and 5 b in a state where the bolt member 23 is erected. Next, the insulating operation rod 5 is operated to introduce the arm A from the side surface side between the pair of gripping pieces 2a and 2b.

  Next, referring to FIG. 5, the bolt member 23 is rotated clockwise to introduce the tip end side of the bolt member 23 into the cutout portion 23d (see FIG. 2). Next, referring to FIG. 5, by fastening the nut member N to the bolt member 23, the arm member A can be held by the pair of grip pieces 2a and 2b. Since the bolt member 23 is rotatably connected to the gripping piece 2a, the support fitting 2 according to the embodiment has an advantage that it is easier to operate than the conventional support fitting 92.

  Referring to FIG. 1 or 6, the electric pole P supports the central portion of the armrest A. Two pin insulators Pi and Pi are arranged on one end side of the armature A. One of the pin insulators Pi is arranged at the end of the armature A on the one end side. The other pin insulator Pi is arranged near the electric pole P on one end side of the armature A. On the other end side of the armature A, one pin insulator Pi is arranged at the end.

  Further, referring to FIG. 1 or FIG. 6, the electric pole P has an inclined arm tie At. One end of the arm tie At is connected to an arm tie band Bt tightened to the electric pole P. The other end of the arm tie At is connected to the center of the arm A on the other end side. By supporting the armrest A on the electric pole P with the arm tie At, the inclination of the armrest A can be suppressed.

  Referring to FIG. 1 or 6, the bird damage prevention tool 10 according to the embodiment can fix the support fitting 2 to the armrest A so as not to interfere with the arm ties At. Then, by sliding the preventive tool body 1 on the support fitting 2, the preventive tool body 1 can be arranged without interfering with the pin insulator Pi.

The bird damage prevention tool for a armband according to the present invention can be expected to have the following effects.
(1) The needle-barrier bird damage prevention tool can be easily attached to the arm using the insulating operation rod for indirect live work.
(2) After attaching the needle-crest-shaped bird damage prevention device to the armband, the prevention device main body can be slid to an optimum position.
(3) It can be easily attached to a armrest reinforced with an arm tie.

1 main body 1b substrate 1p needle body 2 support metal fittings 2a and 2b a pair of gripping pieces 2c connecting piece 5 insulation operating rod 10 bird damage prevention device (bird damage prevention device for armgear)
11 Guide Groove 21 Guide Rail 22 Gripping Part A Arm Wire At Arm Tie

Claims (3)

A bird's-eye damage prevention tool for armbands that can be installed on a armband with at least one end reinforced with an arm tie,
A strip-shaped substrate, and a protector body that is composed of a plurality of needle bodies with sharp tips standing in the longitudinal direction from the substrate.
A pair of grip pieces arranged so as to be opposed to each other so that the arms can be introduced from the side surface thereof, and a C-shaped support fitting having a connecting piece that connects the base end portions of these grip pieces,
The substrate has a rectangular guide groove formed from the bottom surface thereof,
The support fitting is
A rectangular guide rail that stands upright from one of the grip pieces, fits in the guide groove to support the preventive tool body, and guides the preventive tool body slidably along the longitudinal direction of the armrest. When,
A bird damage prevention tool for a wristwatch, which has a grip portion that protrudes from the other grip piece and that can be gripped by an insulating operation rod for indirect live work. The guide groove is
A V groove formed on one inner wall along the longitudinal direction,
And an arc groove formed on the other inner wall along the longitudinal direction,
The guide rail is
A mountain-shaped ridge formed on one side surface and fitted into the V groove;
The bird damage prevention tool for a wristwatch according to claim 1, further comprising a semi-arcuate ridge formed on the other side surface and fitted into the arc groove. The support fitting is
A rotating shaft having both ends rotatably connected to one of the gripping pieces,
A bolt member in which the head is joined to the rotary shaft in a T-shape,
Further comprising one or more nut members that can be screwed into the threaded portion of the bolt member,
The other gripping piece has a notch portion that is notched from the tip edge and that can introduce the bolt member from the outer peripheral direction,
The arm bracket according to claim 1 or 2, wherein the support fitting can be fixed to the arm member by fastening the nut member to the other grip piece from a state in which the bolt member is introduced into the cutout portion. Bird damage prevention tool.

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