JP5185219B2 - Bird damage prevention device and method of manufacturing bird damage prevention device - Google Patents

Description

  The present invention relates to a technique for facilitating adjustment of a length dimension for adapting to an installation place in a bird damage prevention tool for preventing a bird from stopping on a bird damage target such as an overhead electric wire.

Conventionally, bird damage prevention tools that prevent birds from stopping on bird damage objects such as overhead electric wires are known.
In this kind of bird harm prevention device, it is formed in a cylindrical shape, and it is installed inside the bird harm prevention device so as to contain the bird harm object, so that birds can be found on the bird harm object such as overhead wires. There are things that prevent it from stopping.

  In addition, for example, in the bird and animal protection device as a bird damage prevention device described in Patent Document 1, a bird and animal is grasped by its legs above a support body in which two horizontally long substantially rod-shaped bodies made of plastic are arranged in parallel. A frame having a substantially circular cross section with a lower end made of plastic that is so thin as to be impossible is provided. A large number of such frame bodies are arranged on the support at regular intervals to form a control body. The interval between the frames is so narrow that birds and beasts cannot enter, and the birds and animals control tool is attached to the electric wires by the locking tools provided at the front end and the rear end of the support. It is pivotably locked. Furthermore, since the weight of the bird and animal protection device is biased toward the support, the support is always located below the electric wire. In addition, in order to prevent the birds and animals control tool from falling when the birds and animals control tool is locked to the electric wire in this way, a substantially intermediate portion of the birds and animals control tool is fastened to the electric cable with a safety belt.

Japanese Patent Laid-Open No. 11-252760 (5th page, FIG. 11)

  However, in the bird and animal protection device described in Patent Document 1, as described above, birds and animals cannot be gripped by their feet above a support body in which two horizontally long substantially rod-shaped bodies made of plastic are arranged in parallel. Since the frame with a substantially circular cross-section with a thin lower end made of plastic is provided, the length dimension of the bird and animal protection device is determined by the length dimension of the approximately rod-shaped body, so it fits the installation location There is a problem that it is difficult to adjust the length dimension for the purpose.

  This invention is made in view of such a subject, The place made into the objective is to adapt to an installation place in the bird damage prevention tool which prevents a bird from stopping on bird damage objects, such as an overhead electric wire. It is an object of the present invention to provide a technique that facilitates adjustment of the length dimension.

  The bird damage prevention tool according to claim 1, which has been made to solve the above problems, is a bird damage prevention tool main body that prevents a bird from approaching the bird damage target when placed in the vicinity of the bird damage target. And a bird harm prevention tool comprising: a holding portion capable of holding the bird harm prevention tool main body at a predetermined distance from the bird harm prevention object, the bird damage prevention tool adjacent to the bird damage prevention tool; It has the connection part which connects detachably at predetermined intervals.

  According to this invention comprised in this way, a connection part connects a bird damage prevention tool and the adjacent bird damage prevention tool so that attachment or detachment is possible at predetermined intervals. Thus, by connecting a desired number of bird damage prevention tools, the bird damage prevention tools are arranged in parallel at a predetermined interval, and the length dimension for adapting to the installation location can be adjusted.

  Therefore, in the bird damage prevention device that prevents birds from stopping on bird damage objects such as overhead electric wires, adjustment of the length dimension to adapt to the installation location at the time of manufacturing at the factory or installation at the site Can be made easier.

Moreover, according to the bird damage prevention tool of the present invention, it is possible to reduce the weight and to prevent snow accumulation and to be less affected by wind pressure as compared with the conventional bird damage prevention tool having a cylindrical shape.
The invention according to claim 1, the pre-Symbol connecting portion is composed of the engaged portion and the engagement portion, the engagement of the engaged portion of the cockles arrester which the locking portion is adjacent By doing so, the bird harm prevention tool and the adjacent bird harm prevention tool are connected.

According to this invention comprised in this way, the connection with the said bird damage prevention tool and the adjacent bird damage prevention tool by a connection part can be performed more reliably.
Further, an invention according to claim 1, before Symbol locked portion has the bird damage preventer body or hole formed in the holding portion, the locking portion, the bird damage preventer body Or it extends from the holding part, the tip part can be inserted into the hole of the locked part, and the tip part inserted into the hole of the locked part is pulled out of the hole of the locked part. It has a retaining part that can be prevented.

  According to the present invention configured as described above, the bird damage prevention device can be more reliably connected to the adjacent bird damage prevention device by the connecting portion, and the length of the connected bird damage prevention device group can be increased. When it is desired to change the length dimension shortly, a desired number of bird harm prevention tools can be removed from the connected bird harm prevention tool group. In addition, by inserting the tip portion into the hole of the locked portion, the bird damage prevention device after connection is easily bent, and even if the bird damage target is linear or curved , Easy to shape corresponding to the shape.

The invention described in claim 2 is the bird damage prevention device according to claim 1 , wherein the hole of the locked portion is a long hole, and at least a part of the locking portion other than the tip portion is The bird damage prevention device main body of the bird damage prevention device and the bird damage prevention device main body of the bird damage prevention device adjacent to the bird damage prevention device main body can rotate within the hole of the locked portion. Inserting the tip into the hole of the locked part while rotating the stopper, and at least a part other than the tip of the locking part is adjacent to the inside of the hole of the locked part of the bird harm prevention tool By returning the rotation of the locking portion when positioned at the position, the tip portion locks the locked portion and does not come out of the hole and functions as the locking portion.

According to the present invention configured as described above, the connection state between the bird damage prevention device and the adjacent bird damage prevention device by the connecting portion can be maintained even in a bad environment such as during strong winds or snowfall. .
The invention described in Claim 3 is the bird damage preventing device according to claim 1 or claim 2, wherein the tip portion of the locking portion is formed such that its sectional area becomes smaller toward the tip It is characterized by.

  According to the present invention configured as described above, even in a place where it is difficult to work, such as a high place, the front end of the locking portion can be smoothly made with respect to the hole of the locked portion of the adjacent bird damage prevention tool. Can be inserted.

(A) is a front view of the bird damage prevention tool 1 of this embodiment, (b) is a side view of the bird damage prevention tool 1 of this embodiment, and (c) is a plurality of birds of this embodiment. It is explanatory drawing which shows the state which connected the harm prevention tool. It is a front view which shows the annular member of the outer side of the bird harm prevention tool of other embodiment. It is a front view which shows the annular member inside the bird harm prevention tool of other embodiment. It is a front view which shows the bird damage prevention tool of other embodiment. It is a front view which shows the annular member of the outer side of the bird harm prevention tool of other embodiment.

Embodiments of the present invention will be described below with reference to the drawings.
[1. Description of the configuration of the bird damage prevention tool 1]
As shown in FIGS. 1 (a) and 1 (b), the bird damage prevention device 1 is made of resin, and two annular members (ring members) 11 of different sizes arranged concentrically, 12 is connected by a plate-like member (support member) 13, and when attached to an overhead electric wire as a bird harm object, the inner annular member 12 is outside via the support member 13. The ring member 11 is supported and has a function of preventing birds from stopping on the overhead electric wire.

  Specifically, in the bird damage prevention device 1, one end of the inner annular member 12 whose part is opened similarly to the one end portion 11 a of the outer annular member 11 whose part is opened. The support member 13a connects the portion 12a to the other end portion 11b of the outer ring member 11 and the other end portion 12b of the inner ring member 12 to the support member 13b.

  The outer annular member 11 has two through holes 11c, and two flat tongue pieces 11d extend radially from the outer periphery. When the tongue piece 11d is connected to the adjacent bird damage prevention device 1, the substantially central portion of the tongue piece 11d is crank-shaped so that the tip portion 11e of the tongue piece 11d and the through hole 11c of the adjacent bird damage prevention device 1 face each other. Is formed.

  In the present embodiment, a line segment connecting the center of one through-hole 11c and the centers of the annular members 11, 12 and a line segment connecting the center of the other through-hole 11c and the centers of the annular members 11, 12 are used. The angle between and is set to 180 degrees. The angle formed by the line segment connecting the center of one through-hole 11c and the centers of the annular members 11 and 12 and the direction in which the support member 13 is positioned with respect to the annular members 11 and 12 is set to 90 degrees. Has been. As a result, when the bird harm prevention tool 1 is attached to the overhead wire by enclosing the overhead wire in the inner ring member 12, the support member 13 is disposed below the overhead wire and the through hole 11c. And the tongue piece 11d is arrange | positioned at the side. In addition, in order to lower the center of gravity of the bird harm prevention tool 1 and make it difficult to rotate due to the influence of wind, the line segment connecting the center of one through hole 11c and the centers of the annular members 11 and 12 and the other penetration The angle formed by the line connecting the center of the hole 11c and the centers of the annular members 11 and 12 may be set smaller than 180 degrees.

The through hole 11 c is a long hole into which the tip end portion 11 e of the tongue piece 11 d can be inserted, and is formed such that its longitudinal direction is along the radial direction of the annular member 11.
The tip portion 11e of the tongue piece 11d is formed so that its cross-sectional area decreases as it goes to the tip. Further, a portion (connecting portion) 11f that is continuous with the distal end portion 11e of the tongue piece 11d has a width dimension smaller than that of the through hole 11c. As a result, the tongue piece 11d is rotatable in a state in which the distal end portion 11e is inserted into the through hole 11c and the connecting portion 11f is positioned inside the through hole 11c. In addition, although the front-end | tip part 11e of the tongue piece 11d of this embodiment is sharp, you may form the front-end | tip part 11e roundly.

  The inner ring member 12 has an inner diameter dimension larger than the outer diameter dimension of the overhead wire, and has an outer diameter dimension smaller than the inner diameter dimension of the ring member 11, and includes the overhead wire inside. Is possible. Further, the annular member 12 is set to have a thickness dimension larger than that of the support member 13.

  In the support member 13, the distance between the support member 13a and the support member 13b decreases from the outer ring member 11 side to the inner ring member 12 side, and the tips 13c and 13d are formed narrower. Thus, the end portions on the annular member 12 side having elasticity are formed in a slit shape that abuts each other. FIG. 3D shows details of the tip 13c of the support member 13a and the tip 13d of the support member 13b.

  The bird damage prevention tool 1 configured as described above is manufactured by punching a flexible resin thin plate using a mold. In addition, you may manufacture such a bird damage prevention tool 1 by shaping | molding processes, such as injection molding.

  The ring member 11 corresponds to a bird harm prevention tool main body. The through hole 11c of the annular member 11 corresponds to a locked portion, the tongue piece 11d of the annular member 11 corresponds to a locking portion, and the through hole 11c and the tongue piece 11d correspond to a connecting portion. The annular member 12 corresponds to a holding part. The support member 13 corresponds to a guide part and a retaining part.

[2. Effects of the embodiment]
When the bird damage prevention device 1 configured as described above is opposed to the annular member 11 of the adjacent bird damage prevention device 1, the bird damage prevention device 1 adjacent to the distal end portion 11e is rotated while the tongue piece 11d is rotated. 1 is inserted into the through hole 11c of the annular member 11 and the rotation of the tongue piece 11d is restored while the connecting portion 11f is located inside the through hole 11c, so that the tip end portion 11e locks the through hole 11c. And can be detachably connected to the annular member 11 of the adjacent bird harm prevention tool 1.
In FIG. 1C, the tip 13c of the support member 13a and the tip 13d of the support member 13b are not shown. The connection can be released by the reverse procedure. By repeating this operation, a desired number of bird damage prevention devices 1 can be connected, and the length of the bird damage prevention device 1 to be connected is set at the time of manufacturing at the factory or installation at the site. Can be easily adjusted to fit the location.

Moreover, according to the bird damage prevention tool 1 of this embodiment, compared with the conventional bird damage prevention tool formed in the cylindrical shape, it is possible to reduce the weight and to prevent snow accumulation and to be less affected by wind pressure. .
Moreover, according to the bird harm prevention tool 1 of this embodiment, the bird harm prevention tool 1 after connection becomes easy to bend | curve by inserting the front-end | tip part 11e in the through-hole 11c, and when an overhead electric wire is linear. Even if it is curved, it is easy to make the shape corresponding to the shape.

  Moreover, according to the bird damage prevention tool 1 of this embodiment, even in bad environments such as during strong winds or snowfall, the adjacent bird damage prevention tools 1 can be connected by inserting the tip 11e into the through hole 11c. The state can be maintained.

[3. Other Embodiments]
As mentioned above, although one Embodiment of this invention was described, this invention is not limited to the said embodiment, It is possible to implement in the following various aspects.

  (1) You may form an uneven | corrugated | grooved part in the outer peripheral side of the annular member 11 so that it may illustrate in Fig.2 (a). In this case, it is preferable that the tip of the convex portion is sharp. Moreover, you may form a convex part in needle shape. Further, as illustrated in FIG. 2B, the needle-like convex portion may be formed only on the upper part of the outer periphery of the annular member 11. Further, needle-like convex portions may be formed radially on the outer periphery of the annular member 11.

If it does in this way, when a bird tries to grasp the annular member 11 with a leg, it can be made difficult for a bird to grasp the annular member 11 with a leg by the convex part of the annular member 11.
(2) As illustrated in FIG. 2C, the ring member 11 formed in a ring shape may be partially cut. In this way, the ring member 11 is deformed when the bird tries to grip the ring member 11 with his / her foot, so that it is difficult for the bird to hold the ring member 11 with his / her foot.

  (3) As illustrated in FIG. 2D, the through hole 11c and the tongue piece 11d may be configured integrally with the support members 13a and 13b. In this way, the center of gravity of the bird damage prevention tool 1 is lowered, and the bird damage prevention tool 1 is difficult to rotate due to the influence of wind and the like. This is particularly effective when a needle-like convex portion as illustrated in FIG. 2B is formed only on the outer periphery of the annular member 11.

  (4) As illustrated in FIG. 3A, the support member 13 may be configured such that the support member 13a and the support member 13b come into contact with each other. Further, as illustrated in FIG. 3B, the support member 13 may be configured such that the tip 13c of the support member 13a and the tip 13d of the support member 13b are separated from each other. Further, the support member 13 may be configured such that the tip 13c of the support member 13a and the tip 13d of the support member 13b are in contact with each other, as illustrated in FIGS. 3 (c) to 3 (f). Further, the support member 13 may be formed such that the width dimension becomes smaller as the tip 13c of the support member 13a and the tip 13d of the support member 13b go to the tip (FIGS. 3B and 3F). reference). Moreover, in the support member 13, you may provide escape space in the base part of the front-end | tip 13c of the support member 13a, and the front-end | tip 13d of the support member 13b (refer FIG.3 (c)-FIG.3 (f)).

  (5) As illustrated in FIG. 4, the outer annular member 11 that prevents the bird from approaching the overhead electric wire and the annular member 12 that encloses the overhead electric wire are integrated (annular member 21), and the needle The convex portions may be formed radially on the outer periphery of the annular member 21. In this case, the slit 21a which connects the inside and the outside of the annular member 21 is provided, and an overhead electric wire can be taken into the inside from the slit 21a.

  (6) As illustrated in FIG. 5, a plurality of members for enclosing an overhead electric wire are provided (annular members 32 to 34), and the annular members 32 to 34 are partially opened by the support members 35a and 35b. A support member 35 a connects one end of each of the inner ring members 32 to 34, a part of which is opened, like the one end of the outer ring member 31, and the outer ring member 31. You may comprise so that the support member 35b may connect the other edge part of this and the other edge part of each inner annular member 32-34.

If it does in this way, it can match with the outside diameter size of an overhead electric wire by cutting off annular members 32-34 from the inside.
(7) The tongue piece 11d may be manufactured by punching a flexible resin thin plate using a die in a posture in which the tongue piece 11d extends perpendicularly to the annular member 11. In addition, you may manufacture such a bird damage prevention tool 1 by shaping | molding processes, such as injection molding.

  (8) The shape of the annular member 11 formed in a ring shape may be a square, a rhombus, a triangle, or the like in addition to the circle of the above embodiment.

1, 2, 3 ... Bird damage prevention device, 11, 21, 31 ... Ring member, 11a, 11b, 21a, 21b ... End of ring member, 11c, 21c, 31c ... Through hole, 11d, 21d, 31d ... tongue piece, 11e, 21e ... tip part of tongue piece, 11f, 21f ... connection part with tip part of tongue piece, 12, 32, 33, 34 ... ring member, 12a, 12b ... end part of ring member , 13, 13a, 13b, 35, 35a, 35b ... support member, 13c, 13d ... tip of the support member, 21a ... slit

Claims (7)

A bird harm prevention tool main body for preventing a bird from approaching the bird harm object when placed in the vicinity of the bird harm object;
A holding portion capable of holding the bird harm prevention tool main body at a predetermined distance from the bird harm object;
A bird damage prevention device comprising:
A connecting portion for detachably connecting the bird damage prevention device and the adjacent bird damage prevention device at predetermined intervals ;
The connecting portion is composed of a locked portion and a locking portion, and the locking portion is adjacent to the bird protection device by locking the locked portion of the bird protection device adjacent to the locking portion. Connect with bird damage prevention equipment,
The locked portion has a hole formed in the bird harm prevention tool main body or the holding portion,
The locking part extends in a tongue shape from the bird harm prevention tool main body or the holding part, and the tip part can be inserted into the hole of the locked part, and is inserted into the hole of the locked part A bird harm prevention tool comprising a retaining portion capable of preventing the tip portion from slipping out of the hole of the locked portion .   In the bird damage prevention tool according to claim 1,
  The hole of the locked portion is a long hole,
  At least a part of the locking part other than the tip part is rotatable inside the hole of the locked part,
  When the bird harm prevention instrument main body of the bird harm prevention instrument and the bird harm prevention instrument main body of the adjacent bird harm prevention instrument are opposed to each other, the distal end portion is held by the locking portion while rotating the locking portion. When at least a part other than the tip of the locking part is located inside the hole of the locked part of the adjacent bird damage prevention tool, the rotation of the locking part is returned. The tip portion locks the locked portion and does not come out of the hole and functions as the retaining portion.
  Bird damage prevention device characterized by.   In the bird harm prevention tool according to claim 1 or claim 2,
  The bird harm prevention tool characterized in that the tip end portion of the locking portion is formed such that its cross-sectional area decreases as it goes to the tip end.   The bird damage prevention device according to any one of claims 1 to 3, wherein the bird damage prevention device is manufactured by punching a resin thin plate using a mold. Method.   The bird damage prevention tool according to any one of claims 1 to 3, wherein the bird damage prevention tool is manufactured by molding.   The bird damage prevention device according to any one of claims 1 to 3, wherein the locking portion extends perpendicularly to the bird injury prevention device main body, and the mold is formed on the resin thin plate. A method for manufacturing a bird harm prevention tool, characterized by being manufactured by punching using an iron.   The bird damage prevention device according to any one of claims 1 to 3 is manufactured by molding in a posture in which the locking portion extends perpendicularly to the bird injury prevention device main body. Manufacturing method for preventing bird damage.

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