JP2013141452A - Bird damage-preventing device and attachment method thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a bird damage-preventing device, which can effectively prevent bird damage by raising a pair of fixed support tools in a required section of an aerial line oppositely to each other, laying a bird damage preventing wire therebetween through intermediate support tools, and properly adjusting the tension of the laid bird damage preventing wire, when it is loosened or sagged, to regularly prevent wild birds from staying on the aerial line.SOLUTION: The bird damage-preventing device 1 includes: a pair of fixed support tools 2a, 2b to be mounted in a raised manner in a required section of an aerial line 36 erected between power poles; a bird damage preventing wire 3 to be laid between the pair of fixed support tools 2a, 2b in such a manner as to be spaced upward from the aerial line 36; and intermediate support tools 4a, 4b to be freely attached at predetermined intervals along the bird damage preventing wire 3 and the aerial line 36. An aerial line grasping portion 5 is provided at a lower part pf each of the fixed support tools 2a, 2b, and a take-up bobbin 17 for the bird damage preventing wire, which is provided with a reverse rotation preventing means 20, is disposed on the grasping portion 5.

Description

The present invention is a bird damage prevention device that is attached to an overhead wire such as a power transmission / distribution line or a telephone cable installed between utility poles, and prevents bird damage such as short circuit accidents and feces caused by wild birds, and the like, and It relates to the mounting method.

In recent years, wild birds have come and stayed in overhead lines such as transmission and distribution lines in urban areas, etc., and damage caused by droppings and crying has occurred in neighboring residents. In a serious case, the surface of the overhead wire is damaged by adhering feces, or by wild bird's hooks and toenails, and also causes the failure of related equipment.

For this reason, as an example of an instrument for preventing such bird damage, JP-A-2006-17
In Japanese Patent No. 4708 and Japanese Patent Application Laid-Open No. 2011-30468, a pair of fixed supports that can be mounted upright in a required section of an overhead wire, and a space above the overhead wire between the pair of fixed supports. And a bird support line that is freely stretchable, and an intermediate support that is attachable at predetermined intervals along the bird damage prevention line and the overhead line. .

And the bird damage prevention device having such a basic configuration is provided with fixed support members in a standing manner facing each required section of the overhead wire installed between the utility poles, and between the fixed support members at both ends above the overhead wire. The bird damage prevention line is stretched apart, and an intermediate support is attached at predetermined intervals along the bird damage prevention line and the overhead line to prevent the bird from staying on the overhead line and effectively eliminate the bird damage. It is something to prevent.

By the way, as a pair of fixed supports constituting the above bird damage prevention apparatus, Japanese Patent Laid-Open No. 2006-1 is disclosed.
JP 74708 discloses an overhead wire clamp provided at a lower end portion and a bird damage prevention wire clip provided on the clamp through an upright portion having a required height. When installing the bird damage prevention line, hold the fixed support to the required section of the overhead wire with a clamp in an opposing manner, and attach both ends of the bird damage prevention line with clips so as to hold it. It is supposed to be established.

Japanese Patent Application Laid-Open No. 2011-30468 includes an overhead wire gripping portion at a lower end portion as a pair of fixed support members, and a bird injury prevention wire via a winding portion having a required height on the gripping portion. A retaining groove is formed, and a reel around which a bird injury prevention wire is wound is detachably provided on one fixed support. When the bird damage prevention line is installed, one fixed support tool is held by a grip portion at a required portion of the overhead wire, and the bird damage prevention line is unwound from the reel and the other fixed support tool is hooked. Wrap it in a stop groove, pull it with a rope while temporarily holding the fixed support to the overhead wire with the gripping part and hold it at the other end, then remove the reel and cut the bird damage prevention line And
The cut end is wound around a latching groove and stretched.

Furthermore, as an intermediate support that constitutes the above bird damage prevention apparatus, JP-A-2006-17470
No. 8 describes that a pair of overhead wire holding pieces are pivotally mounted so as to be openable and closable, and a bird harm prevention wire locking piece is provided on the holding piece via a standing portion having a required height. Has been. And at the time of mounting to the bird damage prevention line, it is attached to the overhead line between the fixed supports via the holding piece at predetermined intervals, and attached to be hooked on the bird damage prevention line via the locking piece, Bird damage prevention lines are attached above the overhead lines in a spaced manner with a predetermined interval.

Similarly, as an intermediate support, Japanese Patent Application Laid-Open No. 2011-30468 describes a bird damage prevention wire holding means provided above an overhead wire insertion ring portion. At the time of attachment to the bird damage prevention line, the overhead wire between the fixed supports is inserted and held in the insertion ring portion, and is attached to the bite via the holding means, and the bird damage prevention line is attached to the overhead wire. It is supposed to be attached in a spaced manner with a predetermined interval above.

JP 2006-174708 A JP 2011-30468 A

By the way, the fixed support of the above-described conventional example is attached so that both ends of the bird harm prevention line are held with clips while being held in a required section of the overhead wire, and is attached to the latch groove in a winding shape. Therefore, its attachment power is weak, and it is not only easy to loosen under the influence of the weight and wind pressure of the bird damage prevention line itself, but also may come off in some cases.
In addition, even if the bird damage prevention line to be stretched is later loosened or slackened, the tension cannot be adjusted properly, and in some cases the bird damage prevention function may be impaired. is there.

Further, the conventional intermediate support is attached so as to be hooked on the bird's damage prevention line through the locking piece while being held at a predetermined interval with the overhead wire, but it is simply attached to the hook. Therefore, the attachment force is weak and easy to come off, and it is difficult to tension and hold properly in combination with the fact that the damage prevention wire to be stretched is likely to be loosened or loosened later.
In addition, in the above-mentioned conventional intermediate support that is attached to the bird damage prevention line via the biting means, the attachment can be performed firmly, while the bird damage prevention line is provided in the V groove of the support piece. Since the insertion cap is inserted and the engagement cap is fitted and held, the mounting is very troublesome and time-consuming, and the work efficiency is poor.

The present invention solves the problems of the prior art, and it is possible to mount a fixed support member upright in a required section of an overhead wire, and to securely attach and stretch a bird damage prevention line between the fixed support members. Not only that, even if the bird's damage prevention line to be laid is loosened or loosened, the tension is properly adjusted.
In addition, it can be easily adjusted, and the intermediate support can be easily and surely attached at predetermined intervals along the bird harm prevention line and the overhead line to prevent the bird from staying on the overhead line. It is intended to provide a bird damage prevention device that can effectively prevent bird damage and a method of mounting the same.

In order to achieve the above-mentioned object, the invention according to claim 1 of the present invention is a pair of fixed supports that can be installed upright in a required section of an overhead wire installed between utility poles, and the pair of fixed supports. A bird damage prevention line that can be stretched apart above the overhead wire between the support tools, and an intermediate support tool that can be attached at predetermined intervals along the bird damage prevention line and the overhead wire The above-mentioned fixed support is provided with an overhead wire gripping portion at the bottom, and a bird injury prevention wire take-up bobbin provided with reverse rotation prevention means is provided on the gripping portion. The gist of the bird damage prevention device is characterized by the above.

According to a second aspect of the present invention, the intermediate support member is composed of intermediate support members on both sides having a substantially curved overhead wire holding piece at the lower end, and the intermediate support members on both sides open and close the opposing holding pieces. In order to operate, the lower end portion is pivotably connected via a hinge, and one of the intermediate support members on both sides is formed with an engagement hole and a bird-damage prevention wire latching protrusion in an upward direction, The other intermediate support member is provided with an engaging piece for engaging with the engaging hole, and a blocking piece for preventing the bird damage prevention line from being pressed against the engaging protrusion and to be detached. The gist of the bird damage prevention device according to claim 1 is formed.

According to a third aspect of the present invention, a pleated piece projects inwardly to prevent vibration of an overhead wire to be held in one holding piece of the intermediate supporting member constituting the intermediate supporting member. The gist of the bird damage prevention device according to claim 1 or 2, characterized in that

In the invention according to claim 4 of the present invention, the intermediate support is formed with a substantially curved overhead wire latching support piece which can be fastened by a fastening member while the overhead wire is hooked and supported at the lower end thereof. 2. The bird damage prevention device according to claim 1, wherein said bird damage prevention wire suspension piece with a substantially hook-shaped retaining protrusion is formed on the upper end of the bird damage prevention line. Is a summary.

According to a fifth aspect of the present invention, there is provided a bird damage prevention apparatus mounting method according to any one of the first to third aspects, wherein a bird having a required length is interposed between a pair of fixed supports via a winding bobbin. While installing the damage prevention line and holding each fixed support with the gripping part, mount it upright against the required section of the overhead wire installed between the utility poles, and rotate the winding bobbin of one fixed support The bird damage prevention line to be erected and installed is tensioned and stretched above the overhead line, and one intermediate support member is suspended from the bird damage prevention line at a predetermined interval via a latching projection. While holding the suspension, temporarily hold the overhead wire on the holding piece, and then rotate the other intermediate support member to close the holding piece and hold the overhead wire between the holding piece and the corresponding holding piece. At the same time, bird damage is caused by pressing the closing piece against the hooking protrusion. A gist of a method for mounting a bird damage prevention device, characterized in that it is configured to properly close the bird harm prevention wire tension while closing the line and then properly winding the winding bobbin. It is what.

The invention according to claim 6 of the present invention is the method for mounting the bird harm prevention apparatus according to claim 1 or 4, wherein the bird harm prevention wire having a required length is provided between the pair of fixed supports via a winding bobbin. Attach and install each fixed support with the gripping part while standing up against the required section of the overhead wire installed between the utility poles, and rotate the winding bobbin of one fixed support to install The bird damage prevention wire is tensioned apart above the overhead wire, and the intermediate support is hung at predetermined intervals by the bird damage prevention wire with a retaining piece with a retaining piece. At the same time, the overhead wire is fastened and held by the fastening member while the overhead wire is hooked on the suspension support for the overhead wire of each intermediate support, and then the winding bobbin is properly wound and the bird damage prevention wire is Constructed to properly adjust tension Characterized the door, it is an gist mounting method of cockles protection device.

Since the invention according to claim 1 of the present invention is configured as described above, a bird damage prevention line having a required length is installed between a pair of fixed support members via a winding bobbin and each fixed support member is attached. While holding it with the gripping part, mount it upright facing the required section of the overhead line installed between the utility poles, rotate the winding bobbin of one fixed support to rotate and install the bird damage prevention line It is possible to easily stretch the bird damage prevention line on the overhead line with the operation of attaching the intermediate support tool at predetermined intervals along the bird damage prevention line and the overhead line to be stretched and tensioned apart from above In addition, it can be reliably stretched. And in particular, the fixed support tool of the present invention has the bird damage prevention line stretched by the take-up bobbin provided with the reverse rotation prevention means, so that the bird damage prevention line to be stretched is loosened or loosened. Even in this case, the winding bobbin can be wound up later to adjust the tension properly and easily,
As a result, it is possible to effectively prevent bird damage by always preventing birds from staying on the overhead line.

Since the invention according to claim 2 of the present invention is configured as described above, one intermediate support member is attached to each of the bird harm prevention lines stretched between the pair of fixed support members via the hooking projections. While holding and supporting in a suspended manner at a predetermined interval, the overhead wire is temporarily held by the holding piece, and the other intermediate supporting member is rotated to close the holding piece, and the corresponding holding piece is While holding the overhead wire in the middle, press the closing piece against the latching protrusion and close the bird protection wire to be hooked. It can be easily and surely attached at predetermined intervals.

Since the invention according to claim 3 of the present invention is configured as described above, the outer circumference of the overhead wire held by the holding piece is required when the intermediate support is attached along the overhead wire and the bird harm prevention wire. A pleated piece is brought into pressure contact with the surface, and the vibration of the overhead wire caused by wind pressure or the like can be effectively prevented.

Since the invention according to claim 4 of the present invention is configured as described above, the bird damage prevention wire suspension piece with the retaining protrusion is attached to the bird damage prevention line stretched between the pair of fixed support members. With the simple operation of suspending the intermediate support tool at predetermined intervals and holding it tightly with the tightening member while hanging the overhead wire on the suspension support piece for the overhead wire of each intermediate support tool, The intermediate support can be easily and surely attached at predetermined intervals along the overhead wire and the bird damage prevention wire.

Since the invention according to claim 5 of the present invention is configured as described above, a fixed support is attached to the required section of the overhead wire in an upright manner, and a bird injury prevention line is provided between the fixed supports. Can be securely attached and tensioned, and the tension can be adjusted properly and easily even when the tension prevention line is loosened or loosened. The intermediate support can be easily and surely attached at specified intervals along the damage prevention line and overhead line, and it can effectively prevent bird damage by preventing wild birds from staying on the overhead line. It is.

Since the invention according to claim 6 of the present invention is configured as described above, the fixed support is attached to the required section of the overhead wire in an upright manner, and the bird damage prevention line is provided between the fixed support. Can be securely attached and tensioned, and the tension can be adjusted properly and easily even when the tension prevention line is loosened or loosened. The intermediate support can be easily and surely attached at specified intervals along the damage prevention line and overhead line, and it can effectively prevent bird damage by preventing wild birds from staying on the overhead line. It is.

It is a perspective view which shows one Example of the fixed support tool 2a by this invention. It is a perspective view which shows the state which closed the drop-off prevention cover 11 which comprises the fixed support tool 2a by this invention. It is a perspective view which shows the state which looked at the fixed support tool 2a shown in FIG. 2 from the back direction. It is a partially broken perspective view which shows one Example of the winding bobbin 17 by this invention. It is a perspective view which shows one Example of the intermediate support tool 4a by this invention. FIG. 6 is a perspective view showing a state in which the intermediate support tool 4a shown in FIG. 5 is closed. It is a side view which shows the state which attached the fixed support tool 2a which shows one Example of this invention to the required area of the overhead line 36, and stretched the bird damage prevention line 3. FIG. It is a perspective view which shows the attachment state to the overhead wire | line 36 and the bird damage prevention line 3 by the intermediate | middle support tool 4a which shows one Example of this invention. It is a side view which shows the state which stretched the bird damage prevention line 3 to the overhead wire 36 by the fixed support tool 2a and the intermediate support tool 4a which show one Example of this invention. FIG. 3 is a partially enlarged side view showing a state in which a bird injury prevention line 3 is stretched over an overhead wire 36 by a fixed support 2a and an intermediate support 4a showing an embodiment of the present invention. It is a perspective view which shows the other fixed support tool 2b of the Example of this invention. It is a perspective view which shows the other intermediate support tool (4b) of the Example of this invention. It is a partially expanded perspective view which shows the attachment state to the overhead wire 36 and the bird damage prevention line 3 by the other intermediate support tool 4b of the Example of this invention. It is a side view which shows the state where the bird damage prevention line 3 was stretched by the overhead wire 36 by the fixed support tool 2a and other intermediate support tools 4b of this invention.

EMBODIMENT OF THE INVENTION Below, the form for implementing this invention is demonstrated in detail based on one Example shown on drawing.

FIG. 1 to FIG. 10 show an embodiment of the present invention. In FIG. 1, 1 is a bird damage prevention device, and the bird damage prevention device 1 is an aerial wire installed between utility poles (not shown). A pair of fixed support tools 2a that can be installed upright in opposition to the required section of 36, and bird damage that can be stretched apart above the overhead wire 36 between the pair of fixed support tools 2a It comprises a prevention wire 3, and an intermediate support 4a that can be attached at predetermined intervals along the bird injury prevention wire 3 and the overhead wire 36.

Reference numeral 5 denotes an overhead wire gripping part constituting each of the pair of fixed support members 2a. The gripping part 5 is arranged vertically in the gripping part main body 6 having a substantially U shape as shown in FIGS. The fixed gripping piece 7 and the movable gripping piece 8 are provided opposite to each other, and the lower movable gripping piece 8 is connected via a fastening body 9 with a torque adjusting function that is rotatable by an indirect hot wire tool (not shown). It can be raised and lowered freely. 10
Is a loosening prevention ring for a fastening body attached concentrically with the fastening body 9, and 11 is an aerial connected to the upper edge of the gripper body 6 through a hinge 12 so as to be opened and closed so as to close the opening of the gripping body 6. In the line dropout prevention lid, the free end of the dropout prevention lid 11 is freely engageable with the grip portion main body 6 through the engagement protrusion 13 and the engagement hole 14. A gripping piece 15 is attached to the lower end of one side of the gripping body 6 in an obliquely downward direction, and 16 is the same in order to maintain the balance at the time of mounting to the overhead wire 36 to be described later and to facilitate the mounting work. Balancer suspended from the bottom of the other side
It is.

Reference numeral 17 denotes a bird bobbin winding bobbin horizontally disposed on the gripping part main body 6, and the winding bobbin 17 is disposed in a substantially rectangular frame 18 as shown in FIGS. 1 to 4. It is configured to be rotatably provided via a bobbin shaft 19 and to prevent reverse rotation by an attached ratchet mechanism 20. Reference numerals 45, 46, and 47 denote substantially helical locking grooves, locked portions, and retaining portions that are sequentially formed on the distal end side of the bobbin shaft 19 to be engaged with and disengaged from the rotating body 23 described later.
Reference numeral 22 denotes a pair of ratchet wheels and a reverse-rotation preventing claw that constitute the ratchet mechanism 20;
Is a rotating body attached to one end of the bobbin shaft 19 to rotate the winding bobbin 17 in a predetermined direction, and 48 is a locking portion formed at the edge of the shaft hole of the rotating body 23. When the rotating body 23 is rotated clockwise in FIG. 4, the locking portion 48 is locked in the locking groove 45, and the winding bobbin 17 is rotated via the bobbin shaft 19. On the contrary, when rotating in the counterclockwise direction, the locking between the locking portion 48 and the locking groove 45 is released and the wheel rotates freely.
As a result, the overload on the reverse rotation prevention pawl 22 of the ratchet wheel 21 is effectively prevented, and damage to the reverse rotation prevention pawl 22 itself is surely prevented. Reference numeral 24 denotes a winding opening opened on one side of the frame 18 to wind the bird damage prevention wire 3 from the winding bobbin 17, and reference numeral 25 denotes a bird repellent piece attached to the upper portion of the frame 18 in an upright manner. It is.

The bird harm prevention line 3 is a thin line made of synthetic resin such as Tegus, and an overhead line 36 described later.
It is stretched approximately parallel with a predetermined interval on the top to prevent wild birds from staying.

As shown in FIGS. 5 and 6, the intermediate support 4a includes intermediate support members 26a and 26b on both sides, each having a substantially curved overhead wire holding piece 27 at the lower end, and the intermediate support members 26a on both sides.
The lower end of 26b is pivotally connected via a hinge 28 so as to open and close the opposing holding piece 27. Reference numeral 29 denotes three engaging holes formed on one side to engage the free ends of the intermediate support members 26a and 26b on both sides, and 30a and 30b project to the other side to engage the engaging holes 29. The engagement piece 31a is formed in the front end side so that the locking piece 30a in the central portion is locked in a substantially half-opened shape to temporarily hold the overhead wire 36 described later,
Engaging portions 31b are formed on the base end sides of the engaging pieces 30b on both sides in order to close the holding pieces 27. 32 is a bird repellent needle attached upright on one intermediate support member 26a.
Reference numeral 3 denotes a pair of bird projections for hooking a bird damage projecting on both sides of the bird damage repelling needle 32 to wind and hold the bird damage prevention line 3, and 34 is pressed against the hook projection 33. A closing piece formed at the free end of the other intermediate support member 26b in order to prevent detachment of the bird damage prevention line 3 to be hooked.
Reference numeral 5 denotes one intermediate support member 26 to prevent vibration of the overhead wire 36 to be held later.
It is a pleated piece projecting inwardly in the holding piece 27 of b.

In addition, 36 is an overhead wire such as a transmission / distribution line or a telephone cable installed between utility poles (not shown).

When the bird damage prevention instrument 1 configured as described above is attached to the overhead wire 36, first, the bird damage prevention line 3 having a required length is loosened via the winding bobbin 17 between the pair of fixed supports 2a. Erected in a shape. Thereafter, the movable gripping piece 8 constituting the pair of fixed support tools 2a is lowered and the drop prevention lid 11 is opened. Then, while gripping the gripping piece 15 for the yatco with a yatco (not shown), each approach is applied to the required section of the overhead line 36 installed between the utility poles, and the overhead wire 36 is inserted from the opening of the gripping unit body 6. Fixed and fixed gripping piece 7
The engagement protrusion 1 is engaged with the engagement hole 14 while the drop prevention lid 11 is closed.
3 is engaged and engaged to prevent the overhead wire 36 to be hooked from being detached. Next, while rotating the fastening body 9 via a required indirect live wire operation rod (not shown), the movable gripping piece 8 is raised to hold the overhead wire 36 between the fixed gripping piece 7 and fixed support. Tool 2a is overhead line 36
Install in an upright position opposite to. Since the fastening body 9 is provided with a torque adjustment function and is provided with a loosening prevention ring 10, not only can the fastening pressure of the fastening body 9 be properly adjusted and held, but also the fastening body 9 The loosening can be effectively prevented, and the fixing support 2a can be properly attached.
When the mounting of the fixed support 2a is completed in the required section of the overhead wire 36, one fixed support 2a
The take-up bobbin 17 is rotated to wind the bird damage prevention wire 3 to be installed and tensioned on the overhead wire 36 in a spaced manner (see FIG. 7). At this time, the bird damage prevention line 3 is a ratchet mechanism 20.
As a result, the reverse rotation of the winding bobbin 17 can be prevented and the tension of the bird harm prevention wire 3 can always be properly maintained, and the bird injury prevention wire 3 to be stretched afterward is loosened or loosened. Even in this case, the winding bobbin 17 can be wound and the tension can be adjusted appropriately and easily.

When the extension of the bird damage prevention line 3 between the pair of fixed support tools 2a is completed, the intermediate support tools 4a are attached at predetermined intervals and the bird damage prevention line is placed on the overhead line 36 as shown in FIGS. 3 is stretched apart.
In other words, one of the intermediate support members 26a is suspended and supported at predetermined intervals via the hooking projections 33 on the bird damage prevention wires 3 to be stretched, and the overhead wire 36 is hung on the holding piece 27. Temporarily hold in a stop shape (see FIGS. 8A and 8B). Thereafter, the other intermediate support member 26b is rotated to close the holding piece 27, and the overhead wire 36 is pressed against the holding piece 27 of the corresponding other intermediate support member 26a with the fold piece 35. In addition to being held in a pinched form, the bird damage prevention wire 3 for hooking the closing piece 34 against the hooking projection 33 is closed (see FIG. 8C). At this time, since the closing piece 34 is pressed against the latching protrusion 33 that latches and supports the bird damage prevention wire 3, the removal of the bird damage prevention wire 3 to be latched is effectively prevented, and the latch support is surely performed. Further, since the fold piece 35 is projected inwardly on the holding piece 27 of the one intermediate support member 26b, the fold piece 35 is formed when the overhead wire 36 is held by being closed. The overhead wire 36 can be held in a pressure-contact manner, and as a result, the bird damage prevention device 1
It is possible to effectively prevent the vibration of the overhead wire 36 due to the weight and wind pressure.

FIG. 11 shows another fixed support 2b, and in order to adjust the height of the bird damage prevention line 3,
One side of a frame 18 in which a winding bobbin 17 is installed is formed in a slit-shaped winding port 3 in two upper and lower stages.
7 is different from the above embodiment, the other parts are the same, and the same reference numerals indicate the same parts.

FIGS. 12 to 14 show another intermediate support 4b, and a substantially curved overhead wire latching support piece 38 is formed at the lower end to latch and support the overhead wire 36. A necessary tightening port 39 is formed at the curved portion 38 so as to be fastened with a tightening member 40 such as a bind wire while the overhead wire 36 is being hooked, and the bird damage prevention wire 3 is suspended at the upper end thereof. A substantially hook-shaped suspension piece 41 is formed, and a retaining protrusion piece 42 is formed at the distal end of the suspension piece 41 so as to project outward through an escape port 43 formed at the base end portion thereof. . Other 4
Reference numeral 4 denotes a gripping piece for Yatco.

Then, the intermediate support 4b configured as described above is inserted into the suspension piece 41 through the clearance between the retaining projection piece 42 and the escape port 43 in the bird harm prevention wire 3 stretched between the pair of fixed support tools 2a. The retaining protrusions 42 are used to prevent the retaining, and the overhead wire 36 is retained on the retaining support 38 and is tightened through the tightening member 40 from the tightening opening 39 (see FIGS. 13 and 14). ).

In the above-described embodiment, the take-up bobbin 17 is provided with a ratchet mechanism 20, and is configured to prevent reverse rotation of the take-up bobbin 17. However, the present invention is not limited to this, and other publicly known The reverse rotation prevention means may be adopted and used. Further, when the bird damage prevention instrument 1 is mounted, when the pair of fixed supports 2a and 2b, on which the bird damage prevention wire 3 is installed by the winding bobbin 17, are held by the overhead wire 36 at a predetermined interval, The fixed support 2a · 2b is held at a predetermined position of the overhead wire 36 and the other fixed support 2a · 2 is held.
While b is loosely gripped by the overhead wire 36, it may be gripped by being moved to a required position while being pulled through a predetermined rope.

1 Bird damage prevention equipment 2a ・ 2b Fixed support
3 Bird damage prevention lines 4a and 4b Intermediate support 5 Gripping part 7 Fixed gripping piece 8 Movable gripping piece 17 Winding bobbin 20 Lattiet mechanism
21 ratchet car 22 reverse rotation prevention claw
26a / 26b Intermediate support member 27 Holding piece
28 Hinge 29 Engagement hole 30a / 30b Engagement piece
33 latching protrusion 34 closing piece 35 fold piece 36 overhead wire 38 latching support piece 40 tightening member 41 hanging piece 42 retaining projection 43 escape port

Claims (6)

A pair of fixed support members that can be installed upright in a required section of an overhead wire laid between power poles, and a bird that can be stretched apart above the overhead wire between the pair of fixed support devices A bird damage prevention instrument comprising a damage prevention line and an intermediate support that can be attached at predetermined intervals along the bird damage prevention line and the overhead line, wherein the fixed support is for the overhead line at the bottom. A bird damage prevention instrument, characterized in that a gripping portion is provided and a bird bobbin prevention winding bobbin provided with a reverse rotation prevention means is provided on the gripping portion. The intermediate support member is composed of intermediate support members on both sides having a substantially curved overhead wire holding piece at the lower end, and the lower end portions of the intermediate support members on both sides are connected via hinges to open and close the opposing holding pieces. And one of the intermediate support members on both sides is sequentially formed with an engagement hole and a bird-prevention wire latching protrusion in the upward direction, and the other intermediate support member is engaged with the engagement. An engagement piece is provided so as to be engaged with the hole, and a closing piece is formed so as to prevent detachment of the bird damage prevention line to be engaged by being pressed against the engagement protrusion. The bird damage prevention instrument according to claim 1. 3. A pleat piece projecting inwardly to prevent vibration of an overhead wire to be held in one holding piece of the intermediate support member constituting the intermediate support member. Bird damage prevention equipment.   The intermediate support is formed with a substantially curved overhead wire latching support piece which can be tightened by a fastening member while the overhead wire is latched and supported at the lower end thereof, and the bird support line at the upper end thereof. 2. The bird damage prevention device according to claim 1, wherein a bird damage prevention wire suspension piece with a substantially hook-shaped retaining protrusion is formed to be suspended. A bird damage prevention apparatus mounting method according to any one of claims 1 to 3, wherein a bird damage prevention line of a required length is installed between a pair of fixed support tools via a winding bobbin and each fixed support tool. Is installed in an upright position against the required section of the overhead wire installed between the utility poles while rotating the holding bobbin of one fixed support, and the bird injury prevention wire is installed by rotating it. A tension is stretched in a spaced manner above the wire, and one intermediate support member is suspended and supported at a predetermined interval by a hooking protrusion on each bird damage prevention wire, and the holding piece is aerial. After temporarily holding the wire, the other intermediate support member is rotated to close the holding piece while holding the overhead wire with the corresponding holding piece, and the closing piece is pressed against the latching protrusion. Block the bird's damage prevention line that is While actuated appropriately winding the winding bobbin is configured to allowed to properly adjust the tension of cockles prevention line, characterized by comprising, mounting method of cockles protection device.   5. The method for attaching a bird harm prevention apparatus according to claim 1 or 4, wherein a bird harm prevention wire having a required length is installed between a pair of fixed support tools via a winding bobbin, and each fixed support tool is held by a gripping portion. While holding it, mount it upright facing the required section of the overhead wire installed between the utility poles, rotate the winding bobbin of one fixed support to rotate the bird damage prevention wire above the overhead wire The intermediate support is hung at predetermined intervals with the bird damage prevention wire suspension piece with a protruding piece that is tensioned in a spaced manner, and for the overhead wire of each intermediate support device. It is configured to hold the overhead wire to the hook support piece and hold it tightly by the tightening member, and then properly adjust the tension of the bird harm prevention wire while appropriately winding the winding bobbin. Bird damage prevention device characterized by that Mounting method.

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