JPS58940Y2 - cutout grounding device - Google Patents
cutout grounding deviceInfo
- Publication number
- JPS58940Y2 JPS58940Y2 JP13269576U JP13269576U JPS58940Y2 JP S58940 Y2 JPS58940 Y2 JP S58940Y2 JP 13269576 U JP13269576 U JP 13269576U JP 13269576 U JP13269576 U JP 13269576U JP S58940 Y2 JPS58940 Y2 JP S58940Y2
- Authority
- JP
- Japan
- Prior art keywords
- cutout
- grounding
- electrode
- insulating rod
- electric wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Landscapes
- Fuses (AREA)
Description
【考案の詳細な説明】
本考案は主として架空配電線路に設置される柱上変圧器
の保守作業者の感電事故を防止するために使用するカッ
トアウト接地器具に関するものである。[Detailed Description of the Invention] The present invention mainly relates to a cutout grounding device used to prevent electric shock accidents for maintenance workers of pole transformers installed on overhead power distribution lines.
変圧器内部の点検作業を行うには、高圧カットアウトを
開路した状態で変圧器の各極リードを短絡しこれを接地
することにより、各部を同電位に保ち、汚損その他によ
る高圧電流の漏洩などに起因して変圧器が充電されるこ
とを防止して作業の安全を図っている。To inspect the inside of a transformer, short-circuit each pole lead of the transformer and ground it with the high-voltage cutout open to keep all parts at the same potential and prevent leakage of high-voltage current due to contamination or other causes. To ensure work safety, the transformer is prevented from being charged due to this.
しかしながら絶縁化の進んだ現状では高圧カットアウト
の電極を利用せぬ限り裸導室部に保安用接地線を継ぐ方
法がない。However, with the current state of advanced insulation, there is no way to connect a safety ground wire to the bare conductive chamber unless a high-voltage cut-out electrode is used.
本考案はこの高圧カットアウトの電極を利用して保安用
接地線を接続するためのカットアウト接地器具に関する
もので、操作を誤っても充電中の端子に絶対に接続され
ないようにすることを目的とするものである。The present invention relates to a cutout grounding device for connecting a safety grounding wire using this high voltage cutout electrode, and its purpose is to ensure that it will never be connected to a charging terminal even if operated incorrectly. That is.
以下図面につき本考案実施の一例態様を説明する。An example embodiment of the present invention will be described below with reference to the drawings.
図中1は電柱、2は腕金、3は柱上変圧器、4は接地側
コネクター、5は接地用クリップ、Aは筒形カットアウ
ト、6は円筒状碍子、7は本体支持金具、8は高圧配電
線よりの分岐線、9は電源側接触子、10はヒユーズ筒
挿入空室、11は変圧器リード線側接触子、12は変圧
器3の一次側へ接続する電線、13は合成樹脂製の下部
円筒部である。In the figure, 1 is a telephone pole, 2 is a cross arm, 3 is a pole-mounted transformer, 4 is a ground side connector, 5 is a grounding clip, A is a cylindrical cutout, 6 is a cylindrical insulator, 7 is a main body support bracket, 8 is a branch line from the high-voltage distribution line, 9 is a contact on the power supply side, 10 is a fuse tube insertion space, 11 is a contact on the transformer lead wire side, 12 is an electric wire connected to the primary side of transformer 3, 13 is a composite wire The lower cylindrical part is made of resin.
本考案においては第1図〜第3図に示すように、接地側
コネクター4と接続する接地用クリップ5を被覆電線2
7の一端に接続し、この被覆電線27を分岐コネクター
28を介して複数本(本実施例では3本)に分岐する。In the present invention, as shown in FIGS. 1 to 3, the grounding clip 5 connected to the grounding connector 4 is connected to the covered wire
7, and this covered electric wire 27 is branched into a plurality of wires (three wires in this embodiment) via a branch connector 28.
第3図すに示す28 aは銅製の圧着スリーブ、28
bは塩ビ製の内側ブツシュ、28Cは外側ブツシュ、2
8 dはポリエチレン製の締付バンドである。28a shown in Figure 3 is a copper crimp sleeve, 28
b is the inner bushing made of PVC, 28C is the outer bushing, 2
8 d is a tightening band made of polyethylene.
また分岐した各被覆電線29の端部に合成樹脂製の把持
用絶縁棒30を嵌装し、筒形高圧力ットアウ)Aの接地
用電極(変圧器リード線側接触子)11と嵌合する電極
31の端面にわじ孔31 aを形成し、この電極31を
絶縁棒30の端部に電線29と接続した状態で螺合する
。In addition, a gripping insulating rod 30 made of synthetic resin is fitted to the end of each branched covered electric wire 29, and is fitted with the grounding electrode (transformer lead wire side contact) 11 of the cylindrical high pressure out-out) A. A hole 31a is formed in the end face of the electrode 31, and the electrode 31 is screwed into the end of the insulating rod 30 while being connected to the electric wire 29.
31 bはねじ部、31 Cは電線29と接続するため
の圧着端子、32はコード留め、33はコード保護用ブ
ツシュで゛ある。31b is a threaded portion, 31C is a crimp terminal for connecting to the electric wire 29, 32 is a cord holder, and 33 is a bushing for protecting the cord.
また筒形高圧力ットアウl−Aの下部円筒部13と嵌合
する鍔34を前記絶縁棒30に摺動調節自在に設けてカ
ットアウト用接地器具Cを構成する。Further, a cutout grounding device C is constructed by slidably providing a collar 34 on the insulating rod 30 that fits into the lower cylindrical portion 13 of the cylindrical high pressure outlet L-A.
なお、図中30 aは絶縁棒30と一体に形成した固定
鍔部、35はこの接地器具Cの吊り下げを補助するため
分岐コネクター28に接続した紐で、36はこの紐35
と接続して腕金2等に掛止するようにしたフックである
。In addition, in the figure, 30a is a fixed collar part formed integrally with the insulating rod 30, 35 is a string connected to the branch connector 28 to assist in suspending this grounding device C, and 36 is a string 35 connected to this string 35.
This is a hook that is connected to the armrest 2, etc.
このフック36には絶縁コーティングを施すのがよい。This hook 36 is preferably provided with an insulating coating.
つぎに上述の如く構成した本考案のカットアウト接地器
具の作用を説明する。Next, the operation of the cutout grounding device of the present invention constructed as described above will be explained.
まず筒形高圧力ットアウ)Aを接地する場合は、第1図
および第2図に示すように、カットアウト用接地器具C
のフック36を腕金2に掛止し、接地側コネクター4に
接地用クリップ5を接続し、ついで把持用絶縁棒30の
先端部の電極31をヒユーズ筒(図示せず)を抜きとっ
て開路した筒形高圧力ットアウ)Aの接地用電極11内
に嵌入させる。First, when grounding the cylindrical high-pressure cut-out (C) A, as shown in Figures 1 and 2,
hook 36 on the armrest 2, connect the grounding clip 5 to the grounding side connector 4, and then disconnect the electrode 31 at the tip of the insulating rod 30 by removing the fuse tube (not shown). The cylindrical high-pressure outlet) is inserted into the grounding electrode 11 of A.
この場合鍔34もカットアラl−Aの下部円筒部13と
嵌合する。In this case, the collar 34 also fits into the lower cylindrical portion 13 of the cutter l-A.
したがって鍔34を絶縁棒30上の適当な位置に調節し
ておけば、電極31がそれ以上進入して電源側接触子9
と接触するおそれは全くなくなる。Therefore, if the flange 34 is adjusted to an appropriate position on the insulating rod 30, the electrode 31 will not be able to penetrate further into the power supply side contact 9.
There is no possibility of contact with.
なお鍔34を絶縁棒30に対して摺動自在にしたのは、
筒形高圧力ットアウ)Aの接地用電極11と下部円筒部
13との間の寸法が、各メーカによって若干差異がある
ためである。The reason why the flange 34 is made slidable with respect to the insulating rod 30 is as follows.
This is because the dimensions between the grounding electrode 11 and the lower cylindrical portion 13 of the cylindrical high-pressure outlet (A) differ slightly depending on the manufacturer.
すなわち鍔34を摺動させることによってず−くての筒
形高圧カットアウトAの下部円筒部13に鍔34を密着
させることができる。That is, by sliding the collar 34, the collar 34 can be brought into close contact with the lower cylindrical portion 13 of the cylindrical high-pressure cutout A.
そして鍔34によって筒形高圧カットアウトAの下部開
口を密閉すれば、防水、防塵の効果が得られる。Then, by sealing the lower opening of the cylindrical high-pressure cutout A with the collar 34, waterproof and dustproof effects can be obtained.
このため本考案によれば誤操作による感電事故を完全に
防止することができる。Therefore, according to the present invention, electric shock accidents caused by erroneous operation can be completely prevented.
本考案は上述の如く、たとえ操作を誤っても充電中の端
子に導電部が絶対にふれないため感電事故を起すおそれ
がなく作業の安全を確保できるというすぐれた効果があ
る。As described above, the present invention has an excellent effect in that even if an operation is performed incorrectly, the conductive part will never come into contact with the charging terminal, so there is no risk of electric shock, and work safety can be ensured.
第1図は本考案器具の使用例を示す立面図、第2図は筒
形高圧カットアウトの内部に本考案器具の一部を挿入し
た状態を示す一部断面図、第3図aは本考案に係るカッ
トアウト用接地器具の説明図、同図すはその部分断面図
である。
4・・・・・・接地側コネクター、5・・・・・・接地
用クリップ、A・・・・・・筒形高圧カットアウト、1
1・・・・・・接地用電極、13・・・・・・下部円筒
部、B・・・・・・箱形高圧カットアウト、14・・・
・・・本体、14 a・・・・・・隔壁、15・・・・
・・凹所、24・・・・・・空所、C・・・・・・カッ
トアウト用接地器具、27.29・・・・・・被覆電線
、30・・・・・・把持用絶縁棒、31・・・・・・電
極、31 a・・・・・・ねじ孔、34・・・・・・鍔
。Fig. 1 is an elevational view showing an example of the use of the device of the present invention, Fig. 2 is a partial sectional view showing a state in which a part of the device of the present invention is inserted inside a cylindrical high-pressure cutout, and Fig. 3a is a FIG. 1 is an explanatory diagram of a cut-out grounding device according to the present invention, and the figure is a partial sectional view thereof. 4...Ground side connector, 5...Grounding clip, A...Cylindrical high voltage cutout, 1
1...Grounding electrode, 13...Lower cylindrical part, B...Box-shaped high voltage cutout, 14...
... Main body, 14 a ... Partition wall, 15 ...
...Recess, 24...Empty space, C...Grounding device for cutout, 27.29...Insulated wire, 30...Insulation for gripping Rod, 31... Electrode, 31 a... Screw hole, 34... Tsuba.
Claims (1)
に接続した被覆電線27の他側を複数本に分岐し、この
分岐した各電線29の端部にそれぞれ把持用絶縁棒30
を嵌装し、この絶縁棒30の端部に筒形高圧カットアウ
トAの接地用電極11と嵌合する電極31を前記電線2
9と接続して設け、筒形高圧力ットアウ)−Aの下部円
筒部13と嵌合する鍔34を前記絶縁棒30に摺動調節
自在に設けてなるカットアウト用接地器具。The other side of the covered electric wire 27, which is connected to one end with the grounding clip 5 connected to the ground side connector 4, is branched into a plurality of wires, and an insulating rod 30 for gripping is attached to the end of each branched electric wire 29.
The electric wire 2 is fitted with an electrode 31 that fits into the grounding electrode 11 of the cylindrical high voltage cutout A at the end of the insulating rod 30.
9, and is provided with a flange 34 on the insulating rod 30, which is slidably adjustable and fitted with the lower cylindrical portion 13 of the cylindrical high pressure outlet)-A.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13269576U JPS58940Y2 (en) | 1976-10-04 | 1976-10-04 | cutout grounding device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13269576U JPS58940Y2 (en) | 1976-10-04 | 1976-10-04 | cutout grounding device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5350823U JPS5350823U (en) | 1978-04-28 |
JPS58940Y2 true JPS58940Y2 (en) | 1983-01-08 |
Family
ID=28741699
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13269576U Expired JPS58940Y2 (en) | 1976-10-04 | 1976-10-04 | cutout grounding device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58940Y2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5973525B2 (en) * | 2014-10-29 | 2016-08-23 | 中国電力株式会社 | Cutout device |
-
1976
- 1976-10-04 JP JP13269576U patent/JPS58940Y2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5350823U (en) | 1978-04-28 |
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