JPH036979Y2 - - Google Patents

Description

【考案の詳細な説明】 (A) 産業上の利用分野 本考案は、配電用柱上変圧器の高圧側ブツシン
グの、高圧引下線、例えばPDP電線（高圧引下
用エチレンプロピレンゴム絶縁電線）の接続部分
における、鳥害を防止する、鳥害防止ストツパー
に関するものである。[Detailed description of the invention] (A) Industrial application field This invention is applicable to high-voltage draw-down wires such as PDP wires (ethylene propylene rubber insulated wires for high-voltage draw-down) of high-voltage side bushings of distribution pole-mounted transformers. This invention relates to a bird damage prevention stopper that prevents bird damage at a connecting part.

(B) 従来の技術 従来、配電用柱上変圧器の高圧側ブツシングへ
の、高圧引下線の接続部分は、第１図、第２図に
示すように、ブツシング１の切欠部２から、ブツ
シング導体４の電線孔３に高圧引下線６を挿入し
て、ブツシング１のハンドル５により締め付けて
接続されていた。(B) Conventional technology Conventionally, the connection part of the high voltage underline to the high voltage side bushing of a distribution pole transformer was connected from the notch 2 of the bushing 1 to the bushing 1, as shown in Figures 1 and 2. A high-voltage underline wire 6 was inserted into the wire hole 3 of the conductor 4 and connected by tightening with the handle 5 of the bushing 1.

ところが、ブツシング１の切欠部２と、高圧引
下線６の接続部分の隙間に、内部に巣作り等して
いる、くも等の昆虫を、鳥がねらつて、くちばし
を入れる等して、充電部に接触し、地絡事故を起
こすことがしばしばあり、その対策が求められて
いた。 However, birds aim at insects such as spiders that are nesting inside the gap between the notch 2 of the bushing 1 and the connection part of the high-voltage underline 6, and insert their beaks into the live parts. This often causes ground faults, and countermeasures are needed.

(C) 考案が解決しようとする問題点 本考案は以上のような、ブツシング１の高圧引
下線接続部分への、鳥の侵入を防止して、鳥の接
触による地絡事故の発生防止を計るものである。(C) Problems to be solved by the invention This invention prevents birds from entering the high-voltage underline connection part of the bushing 1, as described above, and prevents ground faults caused by contact with birds. It is something.

(D) 問題を解決するための手段 第１図、第２図、第３図に示すように、ブツシ
ング１の切欠部２に、弾性を持つて深く嵌合す
る、栓先１０に向かつて小さくなるテーパーを持
つ鞍状ゴム栓８の中央部分に、電線孔７と電線孔
下部を開口する分割部９を設けるとともに、栓先
１０下部に締付ハンドル５にこれを逃して当接す
る切欠部１１を設けてなる構造のものである。(D) Means for Solving the Problem As shown in Figs. 1, 2, and 3, a small piece is formed toward the stopper tip 10, which has elasticity and fits deeply into the notch 2 of the bushing 1. At the center of the saddle-shaped rubber stopper 8, which has a tapered shape, there is provided a split part 9 that opens the electric wire hole 7 and the lower part of the electric wire hole, and a notch 11 that contacts the tightening handle 5 at the lower part of the stopper tip 10. It has a structure in which

即ち、第１図、第２図に示すように、変圧器ブ
ツシング１の切欠部２に深く弾性を持つて強く嵌
合する、第３図に示すように、栓先に行くに従つ
て若干小さくなるようテーパーを持つ鞍状ゴム栓
８の中央部分に、PDP電線が貫通する電線孔７
を設けるとともに、電線孔７の下部を高圧引下線
６が挿入できるよう開口せしめる、分割部９を設
ける。 That is, as shown in Figs. 1 and 2, it is deeply elastic and strongly fits into the notch 2 of the transformer bushing 1, and as shown in Fig. 3, it becomes slightly smaller toward the tip. A wire hole 7 through which a PDP wire passes is formed in the center of a saddle-shaped rubber stopper 8 that is tapered to
In addition, a dividing portion 9 is provided to open the lower part of the wire hole 7 so that the high voltage underline wire 6 can be inserted therein.

なお、電線孔７は第３図では、PDP電線一本
が入る円孔となつているが、小判形として二線挿
入できるようにすることもできる。 Although the wire hole 7 is shown in FIG. 3 as a circular hole into which one PDP wire can be inserted, it can also be oval-shaped so that two wires can be inserted therein.

次に鞍状ゴム栓８の栓先１０の下部は切欠部１
１を設けて、第２図に示すように、締付ハンドル
５に対する逃げ代として、鞍状ゴム栓８がブツシ
ング１の切欠部２内に深く嵌合せしめるようにす
る。 Next, the lower part of the tip 10 of the saddle-shaped rubber stopper 8 is a notch 1.
1 is provided so that the saddle-shaped rubber stopper 8 is deeply fitted into the notch 2 of the bushing 1 as a clearance for the tightening handle 5, as shown in FIG.

また、鞍状ゴム栓８に、耐劣化、耐トラツキン
グ性にすぐれた、シリコンゴム等を使用すれば、
汚損にも強く、長期屋外使用によく耐えることが
できるものである。 Furthermore, if silicone rubber or the like, which has excellent deterioration resistance and tracking resistance, is used for the saddle-shaped rubber stopper 8,
It is resistant to staining and can withstand long-term outdoor use.

(E) 作用 第２図に示すように、電柱上に設置された変圧
器のブツシング１に接続された高圧引下線６に、
本考案の鳥害防止ストツパーを、その分割部９を
開いて被せ、栓先１０をブツシング１の切欠部２
内に押し込めば、鞍状ゴム栓８の栓先１０は、あ
る程度小さくテーパーがついているので、容易に
切欠部２内深くに挿入され、その切欠部１１が、
締付ハンドル５に接する所まで、十分に嵌合され
る。(E) Effect As shown in Figure 2, a high voltage underline 6 connected to the bushing 1 of the transformer installed on the utility pole is
The bird damage prevention stopper of the present invention is placed on the split part 9 of the stopper with the split part 9 opened, and the stopper tip 10 is placed on the notch part 2 of the bushing 1.
When pushed in, the tip 10 of the saddle-shaped rubber stopper 8 is tapered to a certain extent, so it is easily inserted deep into the notch 2, and the notch 11
It is fully fitted up to the point where it contacts the tightening handle 5.

そして高圧引下線６と切欠部２との隙間は、本
考案の鳥害防止ストツパーで封じられ、鳥の侵入
は防止される。 The gap between the high-voltage underline 6 and the notch 2 is sealed with the bird damage prevention stopper of the present invention, thereby preventing birds from entering.

しかも、鞍状ゴム栓８は弾性を持つて切欠部２
に深く強く嵌合されているので、使用中に高圧引
下線６の振動等により、抜け落ちることもない。 Moreover, the saddle-shaped rubber stopper 8 has elasticity and the notch 2
Since it is deeply and strongly fitted into the wire, it will not come off due to vibration of the high voltage underline wire 6 during use.

また、鞍状ゴム栓８の電線孔７に挿入された高
圧引下線６は、鞍状ゴム栓８により弾性把持され
て固定するので、高圧引下線６の風等による振動
も、鞍状ゴム栓８により抑止されて、高圧引下線
６のブツシング導体４との接続部の、振動による
芯線の折損や、螺部の緩み等を防止できるもので
ある。 In addition, since the high voltage underline wire 6 inserted into the wire hole 7 of the saddle-shaped rubber plug 8 is elastically held and fixed by the saddle-shaped rubber plug 8, vibrations of the high-voltage underline wire 6 due to wind etc. are also prevented. 8, it is possible to prevent breakage of the core wire or loosening of the threaded portion due to vibration at the connection portion of the high-voltage draw-down wire 6 with the bushing conductor 4.

(F) 考案の効果 本考案の鳥害防止ストツパーは、分割部９を開
いて電線に被せ、電線を電線孔７に挿入する構造
のため、電力供給中の柱上変圧器の、ブツシング
１に接続された高圧引下線６に、そのまま分割部
９を開いて被せ、電線孔７により取り付けられる
ので、無停電作業ができるとともに、鞍状ゴム栓
８はある程度のテーパーを持たせてあるので、切
欠部２への挿入取り付けも、非常に容易であり、
取り付け作業も、充電部が露出することがないの
で安全である。(F) Effect of the invention The bird damage prevention stopper of the invention has a structure in which the split part 9 is opened, the wire is covered with the wire, and the wire is inserted into the wire hole 7. The divided part 9 can be opened and placed over the connected high-voltage underline wire 6, and it can be attached through the wire hole 7, allowing for uninterrupted operation. It is also very easy to insert and attach it to part 2.
Installation work is also safe because the live parts are not exposed.

そして、一旦取り付けた後は、ブツシング１の
切欠部２に鞍状ゴム栓８が、ゴムの弾性により食
い込んで強く嵌合されるので、鳥等が充電部に接
触して地絡事故に至る心配なく、また、使用中に
抜け落ちることもない。 Once installed, the saddle-shaped rubber plug 8 will bite into the notch 2 of the bushing 1 due to the elasticity of the rubber and be strongly fitted, so there is no risk of birds, etc. coming into contact with the live part and causing a ground fault. It also does not fall off during use.

更に、高圧引下線６の風等による振動も、鞍状
ゴム栓８により抑止されて、高圧引下線６のブツ
シング導体４との接続部の、振動による折損や、
螺部の緩み等を防止して、良好な接続を保持でき
る。 Furthermore, vibrations of the high voltage underline wire 6 due to wind or the like are suppressed by the saddle-shaped rubber stopper 8, and the connection portion of the high voltage underline wire 6 with the bushing conductor 4 is prevented from breaking due to vibration.
A good connection can be maintained by preventing the thread from loosening.

また、小型で持ち運びも良く経済的で、柱上で
の取付作業も簡易であるほか、 鞍状ゴム栓８に、シリコンゴム等の耐劣化、耐
トラツキング性樹脂を使用すれば、トラツキング
の心配もなく、長期の使用によく耐える等、多く
の優れた特徴を有するものである。 In addition, it is small, easy to carry, and economical, and can be easily installed on a pole.If the saddle-shaped rubber stopper 8 is made of deterioration-resistant and tracking-resistant resin such as silicone rubber, there is no need to worry about tracking. It has many excellent features, such as being able to withstand long-term use.

【図面の簡単な説明】[Brief explanation of drawings]

第１図は変圧器ブツシングの説明用部分斜視
図、第２図は本考案の使用例説明斜視図、第３図
は本考案の説明用例示斜視図。 １はブツシング、２は同切欠部、３はブツシン
グ導体４の電線孔、４はブツシング導体、５はブ
ツシング１の締付ハンドル、６は高圧引下線、７
は鞍状ゴム栓８の電線孔、８は鞍状ゴム栓、９は
鞍状ゴム栓８の分割部、１０は同栓先、１１は同
切欠部。 FIG. 1 is a partial perspective view for explaining a transformer bushing, FIG. 2 is a perspective view for explaining an example of use of the present invention, and FIG. 3 is an exemplary perspective view for explaining the present invention. 1 is the bushing, 2 is the notch, 3 is the wire hole of the bushing conductor 4, 4 is the bushing conductor, 5 is the tightening handle of the bushing 1, 6 is the high voltage underline, 7
8 is a saddle-shaped rubber plug 8, 9 is a divided portion of the saddle-shaped rubber plug 8, 10 is a tip of the same, and 11 is a notch.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ブツシングの切欠部に、弾性を持つて深く嵌合
する、栓先に向かつて小さくなるテーパーを持つ
鞍状ゴム栓の中央部分に、電線孔と電線孔下部を
開口する分割部を設けるとともに、栓先下部に締
付ハンドルにこれを逃して当接する切欠部を設け
てなる鳥害防止ストツパー。 A saddle-shaped rubber stopper that is elastic and deeply fits into the notch of the bushing and has a taper that becomes smaller toward the end of the stopper is provided with a split part that opens the wire hole and the lower part of the wire hole in the center part. A bird damage prevention stopper with a notch at the bottom of the tip that abuts against the tightening handle.