JPH06150728A - Wild animal-proof cover for needle electrode for lightning protection of overhead cable - Google Patents

Abstract

PURPOSE:To prevent damage caused by wild animal without impeding measures against lightning by covering a pin insulator, a distribution line and a binding wire both supported and secured to the pin insulator, and a needle electrode over predetermined lengths for protection and insulation. CONSTITUTION:A distribution line cover 25 is connected to the left side of a cap body and a needle electrode cover 15 is connected to the right side of the cap body 8 and projecting pieces 11, 11, 20, 20, and 27, 27 are opened about respective hinge portions 10, 19 and 26. While engagement portions 12, 13, 21, 22 and 28, 29 are separated from each other, the cap body 8 is fitted to the top of a pin insulator and a housing 16 is mounted over a needle electrode, and a distribution line and a binding wire are covered with cylinders 9, 9, 18 and the distribution line cover 25. The engagement portions 12, 13, 21, 22 and 28, 29 are engaged with each other by pressing each of the pairs of opposite projecting pieces 11, 11, 20, 20 and 27, 27 against each other.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention collectively includes a distribution line supported by an insulator mounted on a wire at the upper part of a utility pole via a bind wire, and a needle electrode cover mounted on the distribution line. Regarding the bird and beast damage prevention cover that covers and protects for the required length, it is an insulating cover that does not interfere with lightning protection.

[0002]

2. Description of the Related Art Conventionally known covers of this type are individually formed, and there is no one formed into a collective shape.

[0003]

For this reason, the mounting is complicated, and since it is difficult to fix it in the mounted state, it is easy to be displaced due to wind pressure or the like. In particular, when the needle electrode cover is displaced, Since this may hinder measures against lightning such as discharge at the time of lightning strike, it is often difficult to achieve the purpose. Therefore, an object of the present invention is to provide a bird and beast damage prevention cover that solves such problems.

[0004]

The bird and beast damage prevention cover of the present invention is attached to a pin insulator attached to a wire of a utility pole, a distribution line supported by the pin insulator via a bind wire, and a distribution line. It is a cover that covers and protects all the needle electrodes that are covered together, and a half-divided cylindrical body that covers the distribution line with the binding wire wound around one side of the cap body that is attached to the pin insulator is connected. A semi-divided needle electrode cover having a housing for covering the needle electrode on one end of the cylindrical body is detachably connected to form a through hole facing the needle electrode on the bottom surface of the housing, and On the other end of the body, a semi-cylindrical cylindrical distribution line cover that covers the distribution line around which the binding wire is wound is detachably provided in series.

[0005]

[Function] The edge divided into half is expanded and the cap is first attached to the pin insulator, and the connected cylindrical bodies are attached to the bind wires and the distribution lines for positioning, and the left and right needle electrodes. By accommodating the needle electrode in the housing of the cover and attaching the distribution line cover to the distribution line, the pin insulator and
The distribution line around which the binding wire is wound and the needle electrode are collectively covered over the required length to prevent damage to birds and animals as a lightning countermeasure.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In the figure, reference numeral 1 denotes a pin insulator attached to a arm member 2 which is erected on the upper portion of a utility pole (not shown), and a current limiting arc horn 4 is provided via a hook-shaped support metal fitting 3 attached to the pin insulator 1.
Is installed. Reference numeral 5 denotes a high-voltage power distribution line, and the power distribution line 5 is wound around a binding wire (wrapping grip) 6 and is supported and fixed to one side surface of the pin insulator 1. Further, a needle electrode 7 for lightning protection is attached to the distribution line 5 in a position close to the current limiting arc horn 4.

Reference numeral 8 denotes a bowl-shaped cap body to be attached to the pin insulator 1, and half-cylindrical cylindrical bodies 9 and 9 communicating with one side thereof and extending linearly in the left-right direction are integrally provided. To do. The cylindrical body 9, 9 is provided with a hinge portion 10 on the top surface side of the cap body 8, a lower surface facing the hinge portion 10 is divided, and a plurality of projecting pieces 11, 11 are vertically provided so as to face the divided end surface. In addition, engaging portions 12 and 13 that engage with each other in a detachable manner are provided on the respective projecting pieces 11 and 11, and gooseneck portions 14 and 14 are provided around both ends of the cylindrical bodies 9 and 9. The needle electrode cover 15 and the distribution line cover 25, which will be described later, are securely engaged with each other.

The needle electrode cover 15 has a circular hole 17 formed in one end of a housing 16 for accommodating the needle electrode 7 for fitting and locking the gooseneck portion 14, and the other end of the housing 16 is covered with the distribution line 5. The cylindrical bodies 18 are arranged in series and integrally formed. A hinge portion 19 is provided on the top surface side of the housing 16 and the cylindrical body 18 of the needle electrode cover 15, a lower surface facing the hinge portion 19 is divided, and a plurality of projecting pieces 20, 20 are made to face the divided end surface. The projecting pieces 2 are set up vertically
Engagement portions 21 and 22 that engage with 0 and 20 in a detachable manner.
Opposite. As shown in FIG. 6, the length of the housing 16 is twice as long as that of the needle electrode 7 so that the needle electrode 7 can be accommodated without any trouble even if the mounting position of the needle electrode 7 is deviated. A thin portion 2 having an elliptical shape which is easily separated by straddling the divided end surface on the lower surface as shown by a dotted line in FIG.
3 are provided in a plurality of rows, and the thin portion 23 is cut off in accordance with the position of the needle electrode 7 to open the through hole 24 so as to be in communication with the current limiting arc horn 4.

Reference numeral 25 is a distribution line cover for covering and protecting the distribution line 5 around which the bind wire 6 is wound for a required length.
The distribution line cover 25 is divided into a side surface of the cylindrical body that faces the hinge portion 26, and faces the split end surface to project the projection piece 2.
A plurality of sets of 7 and 27 are vertically installed, and the protrusions 27 and 27 are provided.
Engagement portions 28 and 29 that engage with each other in a detachable manner are provided opposite to each other. An engaging portion 30 for fitting and locking the gooseneck portion 14 is provided at one end of the distribution line cover 25. Further, the other end of the distribution wire cover 25 and the cylindrical body 18 of the needle wire cover 15
Multi-staged different diameter portions 31, 31 each having a diameter gradually reduced toward the tip are continuously provided at the tip, and these different diameter portions 31 are connected to the distribution line 5.
The tip is cut off in accordance with the diameter of so that it can be fitted in a constantly sealed state. Similarly to the distribution line cover 25, the tip of the needle electrode cover 15 is also provided with a plurality of multi-diameter different diameter portions 31, 31 which are gradually reduced in diameter toward the tip in a communicating manner.

The bird's eye damage prevention cover such as the lightning countermeasure needle electrode of the erected distribution wire of the present invention thus constructed has a needle electrode 7 attached to the right side of the pin insulator 1 as shown in FIG. 2 and 3, the distribution wire cover 25 is connected to the left side of the cap body 8 and the needle electrode cover 15 is connected to the right side of the cap body 8 so that each hinge portion 10 can be used. , 19 and 26 are used as fulcrums, the projecting pieces 11, 11, 20, 20 and 27, 27 are expanded and the engaging portions 12, 13, 21, 22, 28, 29 are separated, The cap body 8 is attached to the top of the pin insulator 1, the housing 16 is covered on the needle electrode 7,
9, 18 and the distribution line cover 25 cover the distribution line 5 and the bind wire 6, and the projecting pieces 11, 11, 20, 2 facing each other.
0 and 27, 27 are pressed against each other to engage the engaging portions 12, 13,
It is attached by engaging the wheels 21, 22 and 28, 29, and these operations can be performed indirectly by ground operation with a hot-stick tool or the like.

Further, the pin insulator 1 is reversed to the left and right as compared with the state of FIG.
When used in a distribution line having the needle electrode 7 attached to the left side of the cap body 8, the needle body cover 15 is connected to the left side of the cap body 8 as shown in FIGS.
The distribution line cover 25 is connected to the right side of each of the projections 11, 11, 20, 20, and 27, 27 by expanding the projections 11, 11, 20, 20 and 27, 27 with the hinge portions 10, 19 and 26 as fulcrums, respectively, by applying the above procedure. With the engaging portions 12, 13, 21, 22, and 28, 29 separated, the cap body 8 is capped on the top of the pin insulator 1, the housing 16 is covered on the needle electrode 7, and the cylindrical body 9,
9, 18 and the distribution line cover 25 cover the distribution line 5 and the bind wire 6, and the projecting pieces 11, 11, 20, 2 facing each other.
0 and 27, 27 are pressed against each other to engage the engaging portions 12, 13,
It suffices to engage 21, 22 and 28, 29.

As described above, the bird's beast damage prevention cover for the erected electric wire according to the present invention can cover and protect all of the distribution wire 5 and the bind wire 6 and the needle electrode 7 supported and fixed to the pin insulator 1 over a required length, and The needle electrode 7 can be used without any trouble whether the attachment position of the needle electrode 7 is left or right of the pin insulator 1, and even if the attachment position of the needle electrode 7 is not constant from the position of the pin insulator 1, the housing 16 A plurality of thin portions 23 provided in a row on the bottom surface of the
By opening No. 4, it is possible to achieve the purpose of preventing damage to birds and animals without always impairing the lightning protection function.

[0013]

As described above, the bird and beast damage prevention cover such as the lightning countermeasure needle electrode in the erected distribution line of the present invention is provided with the pin insulator, the distribution line and the bind wire and the needle supported and fixed to the pin insulator. All the electrodes are collectively covered and insulated over a predetermined length to prevent damage to birds and animals without hindering lightning countermeasures.

[Brief description of drawings]

FIG. 1 is a front view of an environment in which the bird and beast damage prevention cover of the present invention is used.

FIG. 2 is a front view of the bird and beast damage prevention cover of the present invention.

FIG. 3 is a plan view of the same.

FIG. 4 is a side view of the cap body.

FIG. 5 is a perspective view of a needle electrode cover.

FIG. 6 is a front view of the same.

7 is a cross-sectional view taken along the line AA of FIG.

FIG. 8 is a bottom view of the same.

FIG. 9 is a front view of a bird and beast damage prevention cover in which a needle electrode cover is connected to the left side of the cap body.

FIG. 10 is a plan view of the same.

[Explanation of symbols]

 1-pin insulator 2 Wrist wire 6 Bind wire 7 Needle electrode 8 Cap body 9,9 Cylindrical body 15 Needle electrode cover 16 Housing 23 Thin portion 24 Through hole 25 Distribution wire cover

Claims (2)

[Claims] 1. A pin insulator attached to a wire of a utility pole,
A cover wire for collectively covering and protecting a distribution line supported by the pin insulator via a bind wire and a needle electrode attached to the distribution line. The bind wire is attached to one side of a cap body to be attached to the pin insulator. A half-divided cylindrical body that covers the distribution line around which is wound is continuously provided, and a half-divided needle electrode cover that includes a housing that covers the needle electrode is detachably provided at one end of the cylindrical body. Then, a through hole facing the needle electrode is opened on the bottom surface of the housing, and a half-divided cylindrical distribution line cover that covers the distribution line around which the binding wire is wound is detachably connected to the other end of the cylindrical body. This is a cover for preventing damage to birds and animals such as needle electrodes for lightning protection in erected electric wires. 2. A needle electrode cover is provided with a plurality of rows of thin-walled portions having an elliptical shape straddling a divided edge half-divided on the housing bottom surface, and the through-holes are opened by selectively cutting these thin-walled portions. The bird and beast damage prevention cover such as a needle electrode for lightning protection in the erected electric wire according to claim 1.