JP2012217378A - Bird pest control device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a bird pest control device not applying side wind load to an electric wire.SOLUTION: In this bird pest control device 1, the respective bird pest control members 3 are hooked on long members 5 disposed on the right and left thereof and disposed at predetermined spaces on an overhead conductor. These long members 5 are formed to be located within a projection plane of projecting the overhead conductor in the same direction as viewed in a projection plane of projecting in the arranging direction, that is, a projection plane in the direction coinciding with the side wind to the overhead conductor. Therefore, this bird control device 1 is not increased in swept area to the side wind, even if being fitted to the overhead conductor, so that the load on the electric wire is minimized.

Description

  The present invention relates to a bird harm prevention tool attached to an overhead electric wire or the like.

Conventionally, there is a bird harm prevention tool 100 configured by connecting a plurality of bird harm prevention tool members 110 (Patent Document 1).
Each bird damage prevention tool member 110 of this bird damage prevention apparatus 100 forms two annular portions 111 and 112 that are concentrically arranged, and a split 113 extending from the annular portion 111 to the annular portion 112 and these annular portions. And a pair of split forming portions 114 that connect the portions 111 and 112.

  The bird harm prevention tool member 110 is a portion located on the left and right sides of the annular portion 111, and a bent portion 115 that can be bent with respect to the annular portion 112 is formed on the outer edge portion of the annular portion 112. A protrusion 116 protruding toward the annular portion 111 is formed on the inner edge of the portion 112, and a long hole 117 is formed in the protrusion 116.

  The bird damage prevention device 100 is formed by bending the bent portion 115 and inserting the hook-shaped tip of the bent portion 115 into the elongated hole 117 of the adjacent bird damage prevention member 110 and hooking it. A plurality of bird harm prevention tool members 110 are connected to each other, and the wire damage is inserted into the annular portion 111 of each bird damage prevention tool member 110 thus connected via the split 113, thereby being attached to the wires.

JP 2011-24371 A

  However, when the conventional bird damage prevention device 100 is viewed on the projection plane projected in the direction in which the bent portions 115 are arranged, the uppermost portion A of the overhead electric wire is positioned higher than the upper side B of the bent portion 115, thereby The lower side of the bent portion 115 is to be positioned below the lowermost part C of the overhead electric wire.

Therefore, when the conventional bird damage prevention device 100 is attached to the electric wire, the wind receiving area of the cross wind received by the electric wire is increased, and a load is applied to the electric wire.
Then, an object of this invention is to provide the bird damage prevention tool which does not apply the load with respect to a crosswind to an electric wire in view of the said point.

  The bird harm prevention tool according to claim 1 for achieving the above object is provided with an insertion hole through which the overhead electric wire is inserted, and is swingably attached to the overhead electric wire by passing the overhead electric wire through the insertion hole. Are disposed on both the left and right sides across the overhead wire, and are arranged in parallel along the longitudinal direction of the overhead wire at a position equidistant from the overhead wire. A pair of long members that are hung at predetermined intervals along the longitudinal direction of the overhead electric wire, and when the long member is seen on a projection plane projected in the direction in which the long members are arranged, the overhead electric wire It is formed so that it may be located in the projection surface which projected in the same direction.

  This bird damage prevention device is provided with a long member as a configuration corresponding to the bent portion 115 of the conventional bird damage prevention device 100, and each bird damage prevention member is hooked on the long member and is aerial. It arrange | positions for every predetermined space | interval with respect to an electric wire.

  However, when viewed from the projection plane projected in the direction in which these long members are arranged, that is, the projection plane in the direction matching the crosswind with respect to the overhead electric wire, this elongated member is within the projection plane where the overhead electric wire is projected in the same direction. To position.

Therefore, even if the bird harm prevention tool of the present invention is attached to an overhead electric wire, the wind receiving area for the cross wind does not increase, and therefore the load on the electric wire can be minimized.
In addition, the bird damage prevention device of the present invention is such that the center of gravity of the long member is located at a position lower than the fulcrum where the bird damage prevention member is swingably supported by the overhead electric wire by forming the long member as described above. And the long member will be arranged at equidistant positions on the left and right of this fulcrum, preventing the bird damage prevention member from rotating with the weight of the long member, It can be attached to an overhead electric wire so as to be swingable in a stable state.

In addition, although an overhead electric wire is an overhead electric wire, for example, it is not restricted to this.
Next, as described in claim 2, in the bird damage prevention device according to claim 1, each bird damage prevention member is formed in a planar shape and is arranged perpendicular to the longitudinal direction of the overhead electric wire. It is good to do so.

If it does in this way, even if each bird harm prevention member is attached to an electric wire, since the wind receiving area with respect to a cross wind does not become large with the thickness of each bird harm prevention member, a load is not applied to an electric wire.
Next, as described in claim 3, in the bird harm prevention device according to any one of claims 1 and 2, the long member has a cross-sectional shape perpendicular to the longitudinal direction of the long member. It is good to form in C shape.

  In the conventional bird damage prevention device 100, since the bent portion 115 is formed in a plate shape, the adjacent bird damage preventing members 110 are rotated by receiving wind and the bent portion 115 is twisted to prevent bird damage. There was a possibility that the interval between the members 110 would be narrowed.

  However, in the bird damage prevention device of the present invention, the long member corresponding to the bent portion 115 is formed in a C-shaped cross section, and even if the adjacent bird damage prevention member tries to rotate in the reverse direction, it does not twist. And it can prevent that the space | interval between bird damage prevention members becomes narrow.

  In addition, if the shape of the cross section perpendicular | vertical to the longitudinal direction is a shape close | similar to the C shape, the elongate member may be formed in the shape with two or more corners. Further, the long member may be formed in a streamline shape such as an ellipse whose cross-sectional shape perpendicular to the longitudinal direction is longer in the left-right direction than in the up-down direction.

  Next, as described in claim 4, when the long member is formed in a C-shaped cross section, the bird damage prevention member is bent from the one end of the long member by bending the tip portion. You may form in the shape which has a left-right paired hook part which can be hooked with respect to this elongate member if it inserts along a longitudinal direction.

  If it does in this way, if the tip part of each hook part of a plurality of bird harm prevention members is bent and the tip part is inserted sequentially from the one end side of each long member, a plurality of bird harm prevention members will become a long member. It is possible to hook on the long member while sequentially pushing in the longitudinal direction.

  Also, in this way, when the bird damage prevention device of the present invention is attached to the overhead wire, the bird damage prevention member can be disposed along the longitudinal direction of the overhead wire for each length of the tip of the hook portion. it can.

  Next, as described in claim 5, in the bird damage prevention device according to any one of claims 1 to 4, when the bird damage prevention member is swingably attached to an overhead electric wire, the side facing upward is provided. It is preferable that a bird damage prevention portion is formed and a weight portion is formed on the side facing downward.

  In this case, when the bird damage prevention device is attached to the electric wire, the weight portion is always directed downward and the bird damage prevention portion is always directed upward, thereby effectively preventing bird damage to the overhead electric wire. be able to.

The perspective view of the bird harm prevention tool of this embodiment. (A) Perspective view of bird damage prevention member, (b) Front view of bird damage prevention member. It is a front view of a bird harm prevention member, and it shows a mode that it is combined with the elongate member 5, and is attached to an electric wire, and receives a cross wind. It is a perspective view of a bird harm prevention member, and shows a mode that a hook part was bent. It is the perspective view which showed a mode that a bird damage prevention member was attached to a elongate member. It is a perspective view of the conventional bird damage prevention tool.

Embodiments of the present invention will be described below with reference to the drawings.
In addition, when the bird damage prevention member 3 constituting the bird damage prevention tool 1 of the present embodiment is attached to the overhead wire, as shown in FIG. 1, the main body 30 is perpendicular to the longitudinal direction of the overhead wire, The weight part 34 is disposed so as to face downward.

  Hereinafter, when referring to the up and down direction and the left and right direction, as shown in FIG. 2B, the direction when the body portion 30 is viewed from the front when the weight portion 34 is arranged on the overhead electric wire so as to face downward is shown. Shall.

  As shown in FIG. 1, the bird damage prevention device 1 of the present embodiment includes a plurality of bird damage prevention members 3 arranged at predetermined intervals, and a pair of long members 5 to which these bird damage prevention members 3 are hooked. It has.

  As shown in FIG. 2, the bird damage prevention member 3 includes a pair of hook portions 32, a pair of weight portions 34, a plurality of portions around a main body portion 30 (dotted line in FIG. 2B) formed in a disc shape. Needle-like part 36 (corresponding to the bird harm prevention part of the present invention).

Among these, the main body portion 30 is formed with a circular insertion hole 31 through which the overhead electric wire is inserted, and the insertion hole 31 is formed in a circular shape having a diameter larger than the diameter of the overhead electric wire.
The insertion hole 31 is formed in a circular shape centering on an axis positioned below the central axis of the main body 30.

  Further, as shown in FIG. 3, when the bird harm prevention member 3 is hooked on the long member 5 via the hook portion 32, the insertion hole 31 has an upper end of the insertion hole 31 and an upper end of the long member 5. It is formed to have a circular shape with the same height.

  As shown in FIG. 2, each hook portion 32 is formed in a shape extending in the left-right direction from the outer edge portion of the main body portion 30 located on the left and right of the central axis of the main body portion 30. As shown in FIG. 1, a portion (hereinafter referred to as “proximity portion”) 32 a close to the main body portion 30 is narrower than the cut 52 (see FIG. 1) of the long member 5, and the tip portion 32 b is the long member 5. It is thicker than the cut line 52 and is thick enough to be inserted into the long member 5.

Moreover, as shown in FIG. 4, each hook part 32 is formed so that the front end part 32b can be bent with respect to the proximity part 32a.
As shown in FIG. 2, each weight portion 34 extends downward in the shape of an eight character from the outer edge portion of the main body portion 30 located below the central axis of the main body portion 30, and the hook portion 32 and It is formed in a plate shape wider than the needle-like portion 36.

At an intermediate position of these weight portions 34, a split 34a is formed through which an overhead electric wire can be inserted into the insertion hole 31 from the outside.
Each of the needle-like portions 36 extends from the outer peripheral edge of the main body portion 30 along the radial direction of the main body portion 30, and among these, seven needle-like portions provided in an upper portion than the hooking portion 32. 36 is provided at equal intervals between one hook portion 32 and the other hook portion 32.

One needle-like portion 36 is also provided between each of the left and right hook portions 32 and the weight portion 34, and these needle-like portions 36 are located at intermediate positions between the hook portion 32 and the weight portion 34. Is provided.
Next, as shown in FIG. 1, the long member 5 is a long member having a C-shaped cross section perpendicular to the longitudinal direction.

  When the long member 5 is assembled as the bird damage prevention device 1, it is arranged on both the left and right sides of the bird damage prevention member 3, and the width of the projection surface projected in the arrangement direction of the long member 5 is the same as the overhead wire. The size is the same as the width of the projection surface projected in the direction.

The bird harm prevention tool 1 configured as described above is assembled as follows.
First, as shown in FIG. 5, the left and right elongate members 5 are arranged so that the surfaces on which the cuts 52 are formed face each other.

Next, the front end portion 32 b of the hook portion 32 of each bird harm prevention member 3 is bent, and this front end portion 32 b is sequentially inserted into the long member 5 from one end of the long member 5.
Then, the elongate member 5 of each bird harm prevention member 3 is sequentially pushed and slid in the elongate member 5 along the longitudinal direction of the elongate member 5, and each each bird harm prevention member 3 is a hook part. When attached to the long member 5 via 32, the long member 5 is hooked to the long member 5 for each length of the tip end portion 32 b along the longitudinal direction of the long member 5.

  And the bird damage prevention tool 1 assembled in this way divides the split 34a formed in the weight part 34 of each bird damage prevention member 3, and is imaginary in each insertion hole 31 via this split 34a. By inserting the electric wire, it can be attached to the overhead electric wire.

The effect of the bird harm prevention implement 1 comprised as mentioned above is demonstrated.
When the bird harm prevention tool 1 of this embodiment is attached to an overhead wire as described above, a plurality of bird harm prevention members 3 are arranged along the longitudinal direction of the overhead wire for each length of the tip portion 32b of the hook portion 32. Is done.

  At this time, since the weight portion 34 faces downward due to its own weight, the needle-like portion 36 disposed above the hooking portion 32 faces upward, so that a small bird trying to stay on the overhead wire can be effectively removed.

  Moreover, in this embodiment, when the insertion hole 31 hooks the bird harm prevention member 3 on the elongate member 5 via the hook part 32 as shown in FIG. 3, the upper end of the insertion hole 31 and the elongate member 5 are attached. When the width of the projection surface projected by the elongate member 5 in the arrangement direction is seen, the projection surface in which the overhead wires are projected in the same direction is formed. It is formed in the same size as the width.

  That is, in the present embodiment, the long member 5 projects the overhead electric wire in the same direction when viewed from the projection surface projected in the direction in which the long members 5 are arranged, that is, the projection surface in the direction matching the crosswind with respect to the overhead electric wire. The size is set within the projected plane.

Therefore, even if the bird damage prevention tool 1 of this embodiment is attached to an overhead electric wire, the wind receiving area with respect to the cross wind does not increase, so that the load on the electric wire can be minimized.
Moreover, the bird harm prevention tool 1 of this embodiment forms the elongate member 5 as mentioned above, The fulcrum (the upper end of the insertion hole 31) by which the bird harm prevention member 3 is rockably supported by an overhead electric wire. ), The center of gravity of the long member 5 is positioned at a lower position, and the long member 5 is disposed at equidistant positions on the left and right of the fulcrum. It can prevent rotating with the weight of the scale member 5, and can be attached to the overhead electric wire so as to be swingable in a stable state.

Moreover, when the bird harm prevention tool 1 of this embodiment is attached to an overhead electric wire, each bird harm prevention member 3 is arrange | positioned so that it may be located perpendicularly with respect to the longitudinal direction of an overhead electric wire.
Therefore, even if the bird harm prevention tool 1 of this embodiment is attached to the overhead wire, the receiving area for the cross wind does not increase due to the thickness of each bird harm prevention member 3, so that no load is applied to the overhead wire.

  Moreover, since the elongate member 5 is formed in the cross-section C type shape in the bird damage prevention tool 1 of this embodiment, even if it hooks each bird damage prevention member 3 on this elongate member 5, adjacent bird damage It is possible to prevent the prevention members 3 from rotating and twisting in the opposite directions and narrowing the interval between the adjacent bird harm prevention members 3.

(Other embodiments)
In the above embodiment, when the width of the projection surface projected in the arrangement direction of the long member 5 is viewed, the overhead wire is formed to have the same size as the width of the projection surface projected in the same direction. You may form in the width | variety smaller than the width | variety.

  In the above embodiment, the insertion hole 31 is formed in a circular shape, but may be formed in any shape such as an elliptical shape as long as it can swing with respect to the overhead electric wire. However, the bird damage prevention member such as the size, position, and shape of the insertion hole 31 so that the center of gravity of the long member 5 is located at a position lower than the fulcrum where the bird damage prevention member 3 is swingably supported by the overhead electric wire. It is desirable to determine the size, position, shape, and the like of 3 and the long member 5.

In the said embodiment, although the needle-shaped part 36 is provided as a structure corresponded to the bird damage prevention part of this invention, things other than what was formed in the needle shape may be sufficient.
Further, the length of the bird harm prevention tool 1 may be increased by connecting the long members 5 in a column to the respective long members 5.

  Further, the present invention is not limited to the above-described embodiment as long as it matches the gist of the invention described in the claims.

DESCRIPTION OF SYMBOLS 1 ... Bird damage prevention tool, 3 ... Bird damage prevention member, 5 ... Long member, 30 ... Main-body part, 31 ... Insertion hole, 32 ... Hook part, 32a ... Proximity part, 32b ... Tip part, 34 ... Weight part, 34a ... split, 36 ... acicular part, 52 ... cut.

Claims (5)

A plurality of bird harm prevention members that are formed so as to be able to swing with respect to the overhead electric wire by forming an insertion hole for inserting the overhead electric wire, and passing the overhead electric wire through the insertion hole,
It is arranged on both the left and right sides across the overhead wire, and is arranged in parallel along the longitudinal direction of the overhead wire at a position equidistant from the overhead wire, and each bird damage prevention member is placed along the longitudinal direction of the overhead wire. A pair of long members that are hung at predetermined intervals,
With
The long member is
A bird harm prevention tool characterized by being located in a projection plane in which overhead wires are projected in the same direction when viewed in a projection plane projected in the direction in which the long members are arranged. In the bird damage prevention tool according to claim 1,
Each bird damage prevention member is formed in a planar shape and is arranged perpendicular to the longitudinal direction of the overhead electric wire. In the bird harm prevention tool of any one of Claims 1 and 2,
A bird harm prevention tool, wherein the long member has a C-shaped cross section perpendicular to the longitudinal direction of the long member. In the bird harm prevention tool according to claim 3,
Each bird damage prevention member is
Bird damage characterized by having a pair of left and right hooks that can be hooked to the long member when the distal end portion is bent and inserted along the longitudinal direction of the long member from one end of the long member Prevention tool. In a bird damage prevention tool in any one of Claims 1-4,
The bird damage prevention member is
A bird damage prevention device comprising: a bird damage prevention portion formed on a side facing upward and a weight portion formed on a side facing downward when attached to an overhead electric wire so as to be swingable.

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