JP2020054023A - Bird damage prevention tool - Google Patents

Abstract

To provide a bird damage prevention tool in which a cable can easily be installed along a power line and which is excellent in workability.SOLUTION: A bird damage prevention tool 1 used for holding a bird damage prevention cable in an overhead wire in an extended state along the overhead wire comprises: a wire mounting section 10 which is mounted on the overhead wire; a first holding member 20 which includes a supporting section 31 whose one end is connected to the wire mounting section 10 and extending from the wire mounting section 10, and a shaft section 22 arranged near the wire mounting section 10 and having an axial line vertically extending in a longitudinal direction of a supporting section 21; and a second holding member 30 which is coupled to the shaft section 22 so as to be displaceable in angle around an axial line L2 of the shaft section 22 of the first holding member 20 and has a depression section 34 for pressing the bird damage prevention cable W to the supporting section 21 of the first holding member 20 by inserting the bird damage prevention cable into a gap with the first holding member 20 to be displaceable in angle. The first holding member 20 has at least one claw part extending from the supporting section 21 to a direction approaching the second holding member 30.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a bird harm prevention tool that holds a wire formed of a linear body such as a wire or a tex in parallel with an electric wire in order to prevent a bird from flying and stopping on an overhead electric wire or the like.

  The bird harm prevention device of the related art includes a power line fixing portion fixed to the power line, and an extension portion extending from the power line fixing portion in a direction perpendicular to the power line. A bird harm prevention device is known which is fixed to a notch or a notch or a groove provided in an extended portion, and is hooked with a wire such as a wire or a tex to fix the wire (for example, see Patent Documents 1 and 2). reference).

  A plurality of bird harm prevention devices are fixed along the power line at predetermined intervals, and a rope is hooked on each bird harm prevention device, and a rope is installed in parallel with the power line to prevent birds from stopping on the power line I do.

JP 2017-38451 A JP 2012-213303 A

  However, when the above-mentioned bird harm prevention device is attached to the power line and the cable is installed, the work of positioning the cable at the entrance of the groove of the extending portion and moving it to the back of the groove at high places is complicated. Therefore, the work time for attaching the bird harm prevention device to the power line was lengthened, and the work efficiency was poor.

An object of the present invention is to provide a bird harm prevention device that can easily install a cable along a power line and can improve work efficiency.

The present invention is a bird harm prevention tool used to hold a bird harm prevention cable on the overhead electric wire while being stretched along the overhead electric wire,
An electric wire attachment portion to be attached to the overhead electric wire,
A second end having a first end connected to the wire attachment portion and extending from the wire attachment portion; and a shaft portion provided in the vicinity of the wire attachment portion and having an axis extending perpendicular to a longitudinal direction of the support portion. 1 gripping member,
A second gripping member connected to the shaft portion so as to be angularly displaceable about an axis of the shaft portion of the first gripping member, wherein a bird harm prevention rope is sandwiched between the first gripping member and the second gripping member. A second gripping member having a pressing portion that presses the bird harm-preventing rope on the support portion of the first gripping member by displacing the first gripping member.
The first gripping member has at least one claw extending from the support portion in a direction approaching the second gripping member.

  The present invention also provides a support for the first gripping member near the claw when viewed from the direction of the axis of the shaft while the pressing portion of the second gripping member is pressed against the first gripping member. A step portion rising toward the portion is provided in the pressing portion of the second gripping member.

  Further, according to the present invention, the claw portion of the first gripping member includes a first claw portion, and a second claw portion provided between the first claw portion and the wire attachment portion, and the second claw portion is provided. The side surface of the pressing portion of the second gripping member facing the side surface of the second gripping member contacts the second claw portion to determine the angular displacement position around the shaft portion when viewed from the direction of the axis of the shaft portion. It is characterized in that a convex portion is provided to limit the position where the pressing portion of the member and the first claw portion of the first gripping member overlap.

  According to the present invention, the first gripping member, the second gripping member having the pressing portion for pressing the bird harm-preventing rope on the supporting portion of the first gripping member, and the second gripping portion from the supporting portion of the first gripping member At least one claw member extending toward the member, a bird's harm prevention rope is hung on the claw member, and is sandwiched between the first gripping member and the pressing portion of the second gripping member, so that a predetermined distance from the electric wire is obtained. Accordingly, the bird damage preventing rope can be arranged, so that the work of arranging the bird damage preventing rope can be simplified, and the working efficiency can be improved.

  According to the invention, when the pressing portion of the second gripping member is pressed against the first gripping member and viewed from the direction of the axis of the shaft portion, the pressing portion of the second gripping member supports the one gripping member. By providing the stepped portion rising toward the claw portion near the claw portion, it is possible to hold the rope for preventing bird harm between the stepped portion and the claw portion from above and below. It can be easily attached to the harm prevention tool, and the working efficiency can be improved.

  Further, according to the present invention, the second gripping member is provided on the side surface of the pressing portion of the second gripping member facing the side surface of the second claw portion, when the angular displacement position around the shaft is viewed from the direction of the axis of the shaft. Since the convex portion which comes into contact with the second claw portion is provided so as to limit the position where the pressing portion of the first holding member and the first claw portion of the first gripping member overlap, bird harm is prevented by the first claw portion of the bird harm prevention device. When the rope is sandwiched, the bird damage prevention rope can be securely locked by the first claw portion by mistake, so that the work of arranging the bird damage prevention rope is simplified and the work efficiency is improved. Can be.

It is a front view showing the bird harm prevention implement of one embodiment of the present invention. It is a perspective view showing the bird harm prevention implement of one embodiment of the present invention. It is a perspective view showing the bird harm prevention implement of one embodiment of the present invention. It is a sectional view showing the state where the bird harm prevention tool of one embodiment of the present invention has pinched the rope for bird harm prevention. It is a partial front view showing the bird harm prevention implement of one embodiment of the present invention. It is a partial front view showing the bird harm prevention implement of one embodiment of the present invention. It is a partial front view showing the bird harm prevention implement of one embodiment of the present invention. It is a partial front view showing the bird harm prevention implement of one embodiment of the present invention.

  Drawing 1 is a front view showing bird harm prevention implement 1 concerning one embodiment of the present invention, and it is a figure which looked at from an axial direction of an overhead electric wire in the state where bird harm prevention implement 1 was attached to an overhead electric wire. 2 and 3 are perspective views showing the bird harm prevention device according to one embodiment of the present invention. The bird harm prevention device 1 of the present embodiment includes an electric wire attachment portion 10 attached to the electric wire C, which is an overhead electric wire, and a support portion connected to the electric wire attachment portion 10 and extending from the connection portion 11a of the holder main body 11 of the electric wire attachment portion 10. 21, a first gripping member 20 provided in the vicinity of the electric wire attachment portion 10 and having a shaft portion 22 extending in the direction of an axis L2 extending perpendicular to the longitudinal direction of the support portion 21, and a shaft portion 22 of the first gripping member 20. And a second gripping member 30 which is connected and can be angularly displaced around the axis L2.

  The electric wire attachment portion 10 includes a C-shaped holder main body 11 in a front view, a shaft portion 12 formed near an end 11 b of the holder main body 11 on a side closer to the first gripping member 20, and a shaft portion 12. And a holder lid 13 that is connected to be angularly displaceable about the axis L1. The axes L1 and L2 are parallel. A screw hole 11e penetrating the bottom 11d is provided in the bottom 11d of the holder main body 11. A bolt 14 is screwed into the screw hole 11e. The bolt 14 has an electric wire support 15 at one end and an operation unit 16 at the other end. By rotating the operation unit 16, the wire support 15 moves in the up-down direction, and the wire C can be sandwiched and fixed. Further, a grip 11g is formed in a part of the holder main body 11 to enhance workability.

  In order to attach the bird harm prevention device 1 to the electric wire C, the holder cover 13 is rotated around the axis L1 with the electric wire supporting portion 15 lowered, thereby creating a gap, and the electric wire is placed on the electric wire supporting portion 15. The bird harm prevention tool 1 is hooked on the electric wire C so that C is placed. Next, after the holder lid 13 is moved so as to engage with the end 11c of the holder main body 11, the operation unit 16 is operated to move the wire support 15 upward. At this time, the holder lid 13 is locked so as not to come off from the end 11c.

  Next, the gripper 11g is gripped by the clamping tool for the indirect live line, and the bird harm prevention tool 1 is moved along the electric wire C to a position where the bird harm prevention rope W is stretched. The gripping member 20 and the second gripping member 30 sandwich and fix the bird harm prevention rope W. Next, the operating portion 16 is operated by a clamping tool for an indirect live line to move the wire support portion 15 further upward, and the wire C is connected between the wire support portion 15 and the wire contact portion 11f of the holder body 11. By sandwiching, the bird harm prevention tool 1 can be fixed to the electric wire C.

  The support portion 21 of the first gripping member 20 extends from the connection portion 11a of the wire attachment portion 10 in a direction opposite to the bottom portion 11d. The first gripping member 20 may be fixed by being fitted to the connection portion 11a of the electric wire attachment portion 10 or the like. Further, the first gripping member 20 may be formed integrally with the electric wire mounting portion 10. A shaft portion 22 is provided on the support portion 21 near the connection portion 11a, and the second gripping member 30 is disposed so as to be angularly displaceable about the axis L2 of the shaft portion 22. The rotating part 32 of the second gripping member 30 is rotatably engaged with the shaft part 22. The support portion 31 of the second gripping member 30 is provided so as to extend from the rotation portion 32 in the radial direction of the axis L2. The bird damage preventing rope W is sandwiched between the first gripping member 20 and the second gripping member 30 and angularly displaced around the axis L1 to thereby provide the bird damage preventing rope W to the bird damage preventing tool 1. Can be fixed.

  The first holding member 20 and the second holding member 30 are made of a thermoplastic synthetic resin having high weather resistance and high electrical insulation, and are formed by, for example, injection molding. As the thermoplastic synthetic resin having high weather resistance and high electrical insulation, for example, any of polycarbonate, ABS (Acrylonitrile Butadiene Styrene), and AES (Acrylonitrile Ethylene Styrene) can be suitably used.

  In the first gripping member 20, an engagement hole 23 that penetrates the support portion 21 is provided at one end of the support portion 21 on the side opposite to the wire attachment portion 10. An engagement piece 24 is provided on the periphery of the engagement hole 23 on the side of the electric wire attachment portion 10. Further, the first gripping member 20 has an engaging portion 25 protruding from a peripheral edge of the engaging hole 23 on a side opposite to the electric wire attaching portion 10.

  The second gripping member 30 has an engagement claw 33 protruding from an end of the support part 31 on the opposite side of the rotating part 32. The second gripping member 30 is rotated around the axis L2 of the shaft portion 22 in a state where the bird damage preventing rope W is sandwiched between the first gripping member 20 and the second gripping member 30, and The dowel 33 is pushed into the engaging hole 23 of the first gripping member 20 to engage the engaging claw 33 with the engaging piece 24. By fixing the first gripping member 20 and the second gripping member 30 in a closed state, the bird damage preventing rope W can be fixed to the bird damage preventing tool 1.

  In order for the first gripping member 20 and the second gripping member 30 to be in the open state from the state where the engagement claw 33 is engaged with the engagement piece 24, the engagement claw 33 is engaged with the engagement portion using a clamping tool or the like. 25, the engaging claw 33 is displaced in a direction approaching the engaging portion 25, whereby the engagement state of the engaging claw 33 with the engaging piece 24 is easily released. Removal work, position adjustment, and the like can be easily performed, and release work can be facilitated.

  The first gripping member 20 has a first nail portion 26 and a second nail portion 27 which are nail portions extending from the support portion 21 in a direction approaching the second gripping member 30. The second claw portion 27 is provided between the first claw portion 26 and the electric wire attachment portion 10. By selectively using the first claw portion 26 and the second claw portion 27, the distance between the electric wire C and the bird damage preventing rope W can be set to a predetermined distance. That is, when it is desired to increase the distance between the electric wire C and the bird damage preventing rope W, the bird damage preventing rope W is engaged with the first claw portion 26. When it is desired to reduce the distance between the electric wire C and the bird damage preventing rope W, the bird damage preventing rope W is engaged with the second claw portion 27. The distance between the electric wire C and the bird damage prevention cord W is appropriately determined depending on the type of bird to be targeted, the habit, and the like.

  The second gripping member 30 has a pressing portion 34 having a pair of side walls for pressing the bird damage preventing rope W against the support portion 21 of the first gripping member 20. The pressing portion 34 is formed as a portion protruding from the support portion 31 toward the support portion 21 of the first gripping member 20. When the pressing portion 34 of the second gripping member 30 is pressed against the first gripping member 20 and viewed in the direction of the axis L <b> 2 of the shaft portion 22, the step portion 35, which is a portion protruding toward the first gripping member 20, 36 are provided. That is, when the pressing portion 34 of the second gripping member 30 is pressed against the first gripping member 20 and viewed from the direction of the axis L2 of the shaft 22, the first gripping member 20 is supported near the first claw portion 26. A step portion 35 rising toward the portion 21 is provided. When the pressing portion 34 of the second gripping member 30 is pressed against the first gripping member 20 and viewed from the direction of the axis L2 of the shaft 22, the first gripping member 20 is supported near the second claw 27. A step portion 36 rising toward the portion 21 is provided.

  FIG. 4 is a cross-sectional view showing a state in which the bird harm prevention device 1 of one embodiment of the present invention is holding the bird harm prevention rope W. A cross section perpendicular to the longitudinal direction of the first gripping member 20 is shown. This is schematically shown. The bird damage preventing rope W is sandwiched between the support portion 21 of the first gripping member 20 and the pressing portion 34 of the second gripping member 30 and is held so as not to move in the horizontal direction. In addition, since the bird damage preventing rope W is located on the first claw portion 26 of the first gripping member 20 and is located below the step portion 35, it is held so as not to move in the vertical direction. ing. In this manner, by sandwiching the inner wall of the support portion 21, the wall of the pressing portion 34, the upper surface of the first claw portion 26, and the lower surface of the step portion 35, the bird damage preventing rope W is reliably prevented from bird damage. It can be fixed to the tool 1.

  When the bird damage preventing rope W is sandwiched by the second claw portions 27, the bird damage preventing rope W is held by the inner wall of the support portion 21, the wall of the pressing portion 34, and the upper surface of the second claw portion 27. And the bird's harm prevention rope W can be securely fixed to the bird harm prevention tool 1 by being sandwiched between the lower surfaces of the step portions 36.

  5 to 8 are partial front views showing the bird harm prevention device 1 of one embodiment of the present invention. FIG. 5 is a view showing a state in which the first gripping member 20 is opened until the second claw portion 27 comes into contact with the convex portion 37 of the second gripping member 30, and FIG. FIG. 7 is a view showing a state in which the first gripping member 20 and the second gripping member 30 are closed, and the bird damage preventing rope W is sandwiched between the first claw portions 26. FIG. FIG. 8 is a view showing a state in which the first gripping member 20 and the second gripping member 30 are fully opened, and FIG. It is a figure showing the state where it was pinched at the position of part 27.

  The support portion 31 of the second gripping member 30 is provided with a convex portion 37, and from the state where the first gripping member 20 and the second gripping member 30 are closed as shown in FIGS. When the gripping member 30 is rotated about the axis L2 so as to open in a direction away from the first gripping member 20, first, as shown in FIG. , The second gripping member 30 can be held at the position shown in FIG. When the second gripping member 30 is further rotated in the opening direction, the second claw portion 27 is elastically deformed so as to expand in the direction of the axis L2, moves over the convex portion 37, and moves as shown in FIG. The pin 38 of the second gripping member 30 contacts the support piece 28 of the first gripping member 20, and the second gripping member 30 is fully opened with respect to the first gripping member 20. The convex portion 37 makes it easier to hold the opened state of the first gripping member 20 and the second gripping member 30 in either the state shown in FIG. 5 or the state shown in FIG.

  When the bird damage preventing rope W is fixed with reference to the first claw portion 26, the protrusion 37 of the second gripping member 30 is opened to a position where it comes into contact with the first claw portion 26 as shown in FIG. In this state, the bird damage preventing rope W is inserted between the first gripping member 20 and the second gripping member 30 as shown by the arrow in FIG. Make W contact. At this time, since the first claw portion 26 and the second gripping member 30 overlap when viewed from the directions of the axes L1 and L2, the bird damage preventing rope W moves below the first claw portion 26. Never. Next, the first gripping member 20 and the second gripping member 30 are closed while the bird harm prevention rope W is in contact with the first claw portion 26, as shown in FIG. The ridge W can be fixed to a portion corresponding to the first claw portion 26.

  The worker holds the first gripping member 20 and the second gripping member 30 in the opened state, and moves the bird damage prevention rope W against the bird damage prevention tool 1 as shown by an arrow m1 in FIG. By moving and making contact with the first claw portion 26, the bird harm prevention tool 1 and the bird harm prevention rope W can be easily positioned, so that work efficiency can be improved.

  In a case where the bird damage preventing rope W is fixed with reference to the second claw portion 27, the second gripping member 30 is rotated to the position as shown in FIG. For example, as shown in FIG. 5, the first gripping member 20 and the second gripping member 30 are not very open, and the second gripping member 30 is moved from a state where the convex portion 37 is in contact with the second claw 27. When turning the second gripping member 30 away from the first gripping member 20, the second gripping member 30 is rotated by applying force to the second gripping member 27 from the state of FIG. Then, as viewed from the front, the first claw portion 26 is rotated to a position over the convex portion 37.

  Next, the bird damage preventing rope W is inserted between the first gripping member 20 and the second gripping member 30 so that the bird damage preventing rope W comes into contact with the second claw portion 27. At this time, since there is a gap between the first claw portion 26 and the second gripping member 30 when viewed from the front, the bird damage preventing rope W is passed through a path shown by an arrow m2 in FIG. The second claw 27 can be positioned. Next, the first gripping member 20 and the second gripping member 30 are closed while the bird damage preventing rope W is in contact with the second claw portion 27, so that the bird damage preventing rope W is moved to the second claw portion. 27, it can be fixed to the bird harm prevention device 1.

  As described above, when the bird damage preventing rope W is fixed with reference to the first claw portion 26, the second gripping member 30 is held at a position where the first claw portion 26 and the convex portion 37 abut. The bird damage preventing rope W can be reliably positioned at the position of the first claw portion 26, and the bird damage preventing rope W does not move to the second claw portion 27. When the bird damage preventing rope W is fixed at the position of the second claw portion 27, the second gripping member 30 is pressed by pressing the pin 38 so as to abut the support piece 28 of the first gripping member 20. Since rotation to the first gripping member 20 can be prevented, the bird damage preventing rope W can be easily inserted into the second claw portion 27.

  Therefore, the second claw 27 is brought into contact with the side surface of the pressing portion 34 of the second gripping member 30, and the angular displacement position around the shaft 22 is viewed from the direction of the axis of the shaft 22. FIG. 5 shows an open state of the first gripping member 20 and the second gripping member 30 by providing a convex portion 37 for limiting the position where the portion 34 and the first claw portion 26 of the first gripping member 20 overlap. 7 or the state as shown in FIG. 7, and the positioning of the bird damage preventing rope W is facilitated, so that the working efficiency can be improved.

  As described above, the embodiments have been described in detail. However, the present invention is not limited to the above-described embodiments, and various changes, improvements, and the like can be made without departing from the spirit of the present invention. is there.

DESCRIPTION OF SYMBOLS 1 Bird harm prevention tool 10 Electric wire attachment part 20 First holding member 21 Support part 22 Shaft part 26 First claw part 27 Second claw part 30 Second holding member 34 Pressing parts 35, 36 Step part 37 Convex part C Electric wire W Bird Harm prevention cable

Claims (3)

A bird harm prevention tool used to hold the bird damage preventing cable on the overhead electric wire while being stretched along the overhead electric wire,
An electric wire attachment portion to be attached to the overhead electric wire,
A second end having a first end connected to the wire attachment portion and extending from the wire attachment portion; and a shaft portion provided in the vicinity of the wire attachment portion and having an axis extending perpendicular to a longitudinal direction of the support portion. 1 gripping member,
A second gripping member connected to the shaft portion so as to be angularly displaceable about an axis of the shaft portion of the first gripping member, wherein a bird harm prevention rope is sandwiched between the first gripping member and the second gripping member. A second gripping member having a pressing portion that presses the bird harm-preventing rope on the support portion of the first gripping member by displacing the first gripping member.
The said 1st grip member has at least one nail | claw part extended in the direction approaching the said 2nd grip member from the said support part, The bird damage prevention tool characterized by the above-mentioned.
When the pressing portion of the second gripping member is pressed against the first gripping member and viewed from the direction of the axis of the shaft portion, a step rising near the claw portion toward the support portion of the first gripping member. The bird harm prevention device according to claim 1, wherein a portion is provided on a pressing portion of the second gripping member.
The claw portion of the first gripping member includes a first claw portion, and a second claw portion provided between the first claw portion and the wire attachment portion,
On the side surface of the pressing portion of the second gripping member facing the side surface of the second claw portion, the angular displacement position around the shaft portion in contact with the second claw portion is set from the direction of the axis of the shaft portion. The bird's harm prevention according to claim 1 or 2, wherein a projection is provided to limit a position where the pressing portion of the second gripping member and the first claw of the first gripping member overlap when viewed. Utensils.