JPH066645Y2 - Misoperation prevention device for power cable head for operation in branch switchgear - Google Patents
Misoperation prevention device for power cable head for operation in branch switchgearInfo
- Publication number
- JPH066645Y2 JPH066645Y2 JP1989113402U JP11340289U JPH066645Y2 JP H066645 Y2 JPH066645 Y2 JP H066645Y2 JP 1989113402 U JP1989113402 U JP 1989113402U JP 11340289 U JP11340289 U JP 11340289U JP H066645 Y2 JPH066645 Y2 JP H066645Y2
- Authority
- JP
- Japan
- Prior art keywords
- cable
- cable head
- power
- front cover
- power cable
- 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 - Lifetime
Links
Landscapes
- Patch Boards (AREA)
- Cable Accessories (AREA)
Description
【考案の詳細な説明】 （産業上の利用分野） この考案は高圧キャビネット等の配電塔に設けた高圧ケ
ーブルの分岐開閉装置において、自動開閉操作を行う機
構部の操作電源を高圧ケーブルから取り出す電源ケーブ
ルヘッドの誤操作阻止装置に関するものである。[Detailed Description of the Invention] (Industrial field of application) This invention is a power supply for extracting the operating power supply of the mechanism section for automatic opening / closing operation from the high voltage cable in the branching / opening device for the high voltage cable installed in the distribution tower such as the high voltage cabinet The present invention relates to an erroneous operation prevention device for a cable head.
（従来の技術） 上記分岐開閉装置において、自動開閉操作を行う機構部
の操作電源を高圧ケーブルから取り出す電源ケーブル
は、ケーブルヘッドを配電塔の正面手前に向って抜き差
しする位置に取り付けている。これにより配電塔内で場
所をとらず、配電塔の扉をあけて電源ケーブルのケーブ
ルヘッドを抜き差しできるものである。(Prior Art) In the branch opening / closing device, a power supply cable for taking out an operation power supply of a mechanism portion for performing an automatic opening / closing operation from a high-voltage cable is attached at a position where a cable head is inserted / removed toward a front front side of a power distribution tower. As a result, the cable head of the power cable can be inserted and removed by opening the door of the power distribution tower without taking up space in the power distribution tower.
（考案が解決しようとする課題） しかしながら電源ケーブルヘッドが、配電塔の扉を開け
た正面手前にあると、作業者が活線時に誤ってこの電源
ケーブルヘッドを取り外してしまうおそれがあり、また
電源ケーブルヘッドを取り外したまま操作部のハンドル
を誤操作するおそれがある。(Problems to be solved by the invention) However, if the power cable head is located in front of the front of the power distribution tower door, an operator may accidentally remove the power cable head at the time of hot line. There is a risk that the handle of the operation unit may be operated incorrectly with the cable head removed.
（課題を解決するための手段） そこでこの考案はこの様な配電塔の内部に設けた高圧ケ
ーブルの分岐開閉装置において、自動開閉操作を行う機
構部の操作電源を高圧ケーブルから取り出す電源ケーブ
ルヘッドを、操作部下方の前面に配置し、これらの電源
ケーブルヘッドの前面を被う板状の前面カバーを設け、
この前面カバーは上端で、上記操作部前面下部から突出
する軸受けに軸支され、この前面カバーと上記電源ケー
ブルヘッドとを着脱自在に係止する係止具及び上記操作
部前面と前面カバーとを着脱自在に係止する係止具を夫
々設けたものである。(Means for Solving the Problem) Therefore, the present invention proposes a power supply cable head for extracting the operating power supply of the mechanism part for performing automatic opening / closing operation from the high voltage cable in the branching / opening device for the high voltage cable provided inside such a power distribution tower. , A plate-shaped front cover which is arranged on the front surface below the operation unit and covers the front surfaces of these power cable heads,
An upper end of the front cover is pivotally supported by a bearing protruding from a lower portion of the front surface of the operation section, and a locking tool for detachably locking the front cover and the power cable head, and the front surface of the operation section and the front cover. Each of them is provided with a locking tool that is detachably locked.
（作用） 上記前面カバーは、上記電源ケーブルヘッドを高圧ケー
ブルに接続した際、軸支部を中心に回動させて操作部下
方前面に垂下させ、この前面カバーを電源ケーブルヘッ
ドに上記係止具により係止させる。(Operation) When the power supply cable head is connected to the high-voltage cable, the front cover is rotated around the shaft supporting portion and hangs down to the front lower surface of the operation portion, and the front cover is attached to the power supply cable head by the locking device. Lock it.
これにより前面カバーは固定され、電源ケーブルヘッド
部は前面カバーに被われ、前面から見えない。また操作
部前面は露出している。そして、上記電源ケーブルヘッ
ドを高圧ケーブルから外す際は、前面カバーを電源ケー
ブルヘッドから外し、軸支部を中心に回動させて上へ持
ち上げ、操作部前面に重ねる。そして係止具により操作
部前面と前面カバーとを係止せしめる。これにより電源
ケーブルヘッドは前面に露出し、作業車は電源ケーブル
ヘッドを高圧ケーブルから外すことができ、その際前面
カバーは操作部前面から落ちてこない。As a result, the front cover is fixed, and the power cable head portion is covered with the front cover and cannot be seen from the front. The front of the operation unit is exposed. When removing the power cable head from the high-voltage cable, the front cover is removed from the power cable head, pivoted around the shaft support portion, and lifted up to be stacked on the front surface of the operation portion. Then, the front surface of the operation unit and the front cover are locked by the locking tool. As a result, the power cable head is exposed to the front, and the work vehicle can remove the power cable head from the high-voltage cable, while the front cover does not fall from the front of the operation unit.
（実施例） 以下この考案の実施例を図について説明する。(Embodiment) An embodiment of the present invention will be described below with reference to the drawings.
高圧キャビネット１の底部前面より三相の立上りケーブ
ル２を高圧キャビネット１内の一側に立ち上げ、当該高
圧キャビネット１内の一側上部に設けた、開閉部３の下
部一側に接続し、この開閉部３下部他側から三相の引き
下げケーブル４を引き下げ、高圧キャビネット１の底部
前面から外部に導出する。この開閉部３内には各相の各
ケーブル毎に開閉器（図示省略）が設けられ、これらの
開閉器は開閉部３の上方に設けられた開閉機構部５の操
作により自動開閉する。またこの開閉機構部５の前面に
は操作パネル６を有しており、この操作パネル６に手動
用ハンドル受部７が突出している。またこの操作パネル
６には上記開閉部３の開閉器の入、切の表示矢８が設け
られている。またこの高圧キャビネット１の他側上部に
は三相の断路器９が並設され、これらの各断路器９と上
記開閉部３内の同相の各開閉器とがモールド母線10によ
って接続されている。これらの各断路器９の下部には需
要家側へのケーブル11が接続されている。From the bottom front surface of the high-voltage cabinet 1, a three-phase rising cable 2 is erected on one side of the high-voltage cabinet 1 and connected to the lower one-side of the opening / closing section 3 provided on the upper side of the high-voltage cabinet 1. The three-phase pull-down cable 4 is pulled down from the other side of the lower part of the opening / closing part 3 and led out to the outside from the bottom front surface of the high-voltage cabinet 1. A switch (not shown) is provided for each cable of each phase in the switch 3, and these switches are automatically opened / closed by operating a switch mechanism 5 provided above the switch 3. Further, an operation panel 6 is provided on the front surface of the opening / closing mechanism section 5, and a manual handle receiving section 7 projects from the operation panel 6. Further, the operation panel 6 is provided with a display arrow 8 for turning on / off the switch of the opening / closing section 3. Further, three-phase disconnectors 9 are arranged in parallel on the other side of the high-voltage cabinet 1, and each of these disconnectors 9 and each in-phase switch in the switch 3 is connected by a mold bus bar 10. . A cable 11 to the consumer side is connected to the lower part of each of these disconnecting switches 9.
また上記開閉部３の前面には、各開閉器（図示省略）に
導入、導出される立ち上りケーブル２及び引き下げケー
ブル４の各二相の分岐電極（図示省略）に、ケーブルを
上方に引き出すＬ字型の第１回路用電源ケーブルヘッド
12a及び第２回路用電源ケーブルヘッド13aが夫々脱着自
在に接続され、これらの上方へ引き出された電源ケーブ
ル12、13は、立ち上りケーブル２、引き下げケーブル４
及び需要家側へのケーブル11の後方、高圧キャビネット
１の下方奥部に横に二段積み重ねた第１回路用変圧器14
及び第２回路用変圧器15に夫々一次側リード線として接
続されており、これらの変圧器14、15の各二次側リード
線は高圧キャビネット１内に設けた制御装置16に接続さ
れ、この制御装置16の制御により上記開閉機構部５が作
動する。なお上記立ち上りケーブル２及び引き下げケー
ブル４の各一相の分岐電極（図示省略）は試験端子であ
り、これらには夫々試験端子盲蓋17が被冠されている。In addition, on the front surface of the opening / closing part 3, L-shaped cables are drawn upward to the two-phase branch electrodes (not shown) of the rising cable 2 and the pulling cable 4 which are introduced and led to each switch (not shown). Type power cable head for the first circuit
12a and the second circuit power cable head 13a are detachably connected to each other, and the power cables 12 and 13 pulled out above these are the rising cable 2 and the pulling cable 4 respectively.
And the first circuit transformer 14 that is horizontally stacked in the lower part of the high-voltage cabinet 1 behind the cable 11 to the consumer side.
And the second circuit transformer 15 are respectively connected as primary side lead wires, and the respective secondary side lead wires of these transformers 14 and 15 are connected to the control device 16 provided in the high voltage cabinet 1. The opening / closing mechanism section 5 operates under the control of the control device 16. Each one-phase branch electrode (not shown) of the rising cable 2 and the pulling cable 4 is a test terminal, and a test terminal blind lid 17 is capped on each of them.
上記操作パネル６の下部から二枚の板状の前面カバー18
が夫々垂下され、各前面カバー18が上記第１回路用電源
ケーブルヘッド12a及び第２回路用電源ケーブルヘッド1
3aの前方に位置し、これらを夫々被っている。これらの
各前面カバー18は、操作パネル６の下部から突出した対
の軸受け19に支持された軸20に各上端が軸支され、この
軸20を中心に回動自在である。そして上記第１回路用電
源ケーブルヘッド12a及び第２回路用電源ケーブルヘッ
ド13aの各一個のケーブルヘッド12a及び13aの前面に止
めボス21を突設し、この止めボス21と上記軸20を対称に
操作パネル６に同様の止めボス22を突設し、これらの止
めボス21及び22に相応する前面カバー18に止め孔23を穿
ってある。この止め孔23には止めスプリング24を設け、
各止めボス21又は22が止め孔23に嵌入した際この止めス
プリング24により固定され、前面カバー18は垂直に支持
され、ガタ付かないようになっている。Two plate-shaped front covers 18 from the bottom of the operation panel 6
Respectively, and each front cover 18 has the first circuit power cable head 12a and the second circuit power cable head 1 described above.
It is located in front of 3a and covers each of them. Each of the front covers 18 has its upper end supported by a shaft 20 supported by a pair of bearings 19 projecting from the lower portion of the operation panel 6, and is rotatable about the shaft 20. A stopper boss 21 is provided on the front surface of each of the cable heads 12a and 13a of the first circuit power cable head 12a and the second circuit power cable head 13a, and the stopper boss 21 and the shaft 20 are symmetrically arranged. Similar stop bosses 22 are provided on the operation panel 6, and stop holes 23 are formed in the front cover 18 corresponding to these stop bosses 21 and 22. This stop hole 23 is provided with a stop spring 24,
When the respective stop bosses 21 or 22 are fitted into the stop holes 23, they are fixed by the stop springs 24, and the front cover 18 is supported vertically so that it does not rattle.
従ってこの前面カバー18は電源ケーブルヘッド12a及び1
3aを被った際は止めボス21を止め孔23に嵌めて係止さ
れ、前面カバー18を上に上げて操作パネル６に重ねた際
は止めボス22が止め孔23に嵌合して係止される。Therefore, this front cover 18 is connected to the power cable heads 12a and 1a.
When 3a is covered, the stop boss 21 is fitted and locked in the stop hole 23, and when the front cover 18 is raised and overlapped with the operation panel 6, the stop boss 22 is fitted and locked in the stop hole 23. To be done.
なお図中25は電源箱、26は各立ち上りケーブル２及び各
引き下げケーブル４の接地線を接続したアースブスバー
で、このアースブスバー26は高圧キャビネット１内の接
地端子（図示省略）に接続されている。27は各立ち上り
ケーブル２及び引き下げケーブル４を支持するケーブル
クリートである。In the figure, 25 is a power supply box, 26 is an earth busbar to which the ground wires of each rising cable 2 and each pulling cable 4 are connected, and this earth busbar 26 is connected to a ground terminal (not shown) in the high-voltage cabinet 1. . 27 is a cable cleat that supports each rising cable 2 and each pulling cable 4.
上記実施例では自動開閉操作を行う機構部の操作電源を
高圧ケーブルから取り出し、これを上記変圧器14、15に
接続し、降圧して制御装置16に供給しているが、これら
の第１回路用変圧器14及び第２回路用変圧器15の二台を
立ち上りケーブル２や引き下げケーブル４等の後方の高
圧キャビネット１の下部奥部に横にして二段積みとし、
一側に一次側リード線（電源ケーブル12、13）及び二次
側リード線を取り付けている。これにより従来配電塔内
の開いているスペースに変圧器を設置して、立ち上りケ
ーブルや引き下げケーブルの接続の邪魔にならずに狭い
配電塔内のスペースを有効に利用し、コンパクト化を計
っている。In the above embodiment, the operation power source for the mechanism section for performing the automatic opening / closing operation is taken out from the high voltage cable, is connected to the transformers 14 and 15 and is stepped down and supplied to the control device 16. The two transformers 14 and the second circuit transformer 15 are laid side by side in the lower part of the rear of the high-voltage cabinet 1 such as the rising cable 2 and the pulling-down cable 4 so as to be stacked.
A primary side lead wire (power cables 12 and 13) and a secondary side lead wire are attached to one side. As a result, a transformer is installed in an open space in the conventional power distribution tower, and the space inside the power distribution tower is effectively used without disturbing the connection of the rising cable and the pulling down cable, and the compactness is achieved. .
（考案の効果） この考案は以上の構成であり、自動開閉操作を行う機構
部の操作電源を高圧ケーブルから取り出す電源ケーブル
ヘッドを操作部下方の前面に配置し、当該箇所で高圧ケ
ーブルと着脱自在に接続し、これらの電源ケーブルヘッ
ドの前方に前面カバーを回動自在に吊り下げている。従
って操作部下方の前面に配置した電源ケーブルヘッドを
接続した際は、前面カバーがこれらを被うこととなるた
め、作業者はこの前面カバーの存在によってむやみに上
記電源ケーブルヘッドを高圧ケーブルから外したりする
おそれがない。またこの電源ケーブルヘッドを高圧ケー
ブルから外す際は、前面カバーを上方に持ち上げて操作
部前面に重ねて係止することができ、その際操作部が被
われ、作業者は当該操作部を誤って操作するおそれがな
くなり、極めて安全である。(Effect of the device) This device has the above-mentioned configuration, and the power cable head for taking out the operating power of the mechanism section for performing the automatic opening / closing operation from the high voltage cable is arranged on the front surface below the operation part, and the high voltage cable can be freely attached and detached at the location. And a front cover is rotatably suspended in front of these power cable heads. Therefore, when connecting the power cable head arranged on the front side below the operation part, the front cover covers these, so the operator unnecessarily removes the power cable head from the high voltage cable due to the presence of this front cover. There is no danger of When disconnecting the power cable head from the high-voltage cable, the front cover can be lifted up and overlapped with the front surface of the operation portion to be locked, and the operation portion is covered at that time, and the operator mistakenly operates the operation portion. It is extremely safe because there is no danger of operation.
第１図はこの考案を用いた配電塔の正面扉を外した正面
図、第２図は同配電塔の縦断面図側面図、第３図はこの
考案の電源ケーブルヘッド取付部の前面カバーを外した
状態を示す正面図、第４図は同電源ケーブルヘッド取付
部の前面カバーを取り付けた状態を示す側面図、第５図
はこの考案の概略構成側面図、第６図はこの考案を用い
た配電塔の操作電源用の変圧器の配置を示す概略構成正
面図である。 なお図中１は高圧キャビネット、２は立ち上りケーブ
ル、３は開閉部、４は引き下げケーブル、５は開閉機構
部、６は操作パネル、９は断路器、10はモールド母線、
11はケーブル、12、13は電源ケーブル、12a、13bは電源ケ
ーブルヘッド、16は制御装置、18は前面カバー、19は軸
受け、20は軸、21、22は止めボス、23は止め孔である。FIG. 1 is a front view of a power distribution tower using the present invention with the front door removed, FIG. 2 is a vertical sectional side view of the power distribution tower, and FIG. 3 is a front cover of a power cable head mounting portion of the present invention. FIG. 4 is a side view showing a state in which a front cover of the power cable head mounting portion is attached, FIG. 5 is a side view showing a schematic configuration of the present invention, and FIG. It is a schematic structure front view showing arrangement of a transformer for operating power supplies of a power distribution tower. In the figure, 1 is a high voltage cabinet, 2 is a rising cable, 3 is an opening / closing part, 4 is a pulling down cable, 5 is an opening / closing mechanism part, 6 is an operation panel, 9 is a disconnector, 10 is a mold bus bar,
11 is a cable, 12 and 13 are power cables, 12a and 13b are power cable heads, 16 is a control device, 18 is a front cover, 19 is a bearing, 20 is a shaft, 21 and 22 are stop bosses, and 23 is a stop hole. .
Claims (1)
開閉装置において、自動開閉操作を行う機構部の操作電
源を高圧ケーブルから取り出す電源ケーブルヘッドを操
作部下方の前面に配置し、これらの電源ケーブルヘッド
の前面を被う板状の前面カバーを設け、この前面カバー
は上端で、上記操作部前面下部から突出する軸受けに軸
支され、この前面カバーと上記電源ケーブルヘッドとを
着脱自在に係止する係止具及び上記操作部前面と前面カ
バーとを着脱自在に係止する係止具を夫々設けたことを
特徴とする、分岐開閉装置における操作用電源ケーブル
ヘッドの誤操作阻止装置。1. A branch switchgear for a high-voltage cable provided inside a power distribution tower, wherein a power supply cable head for taking out an operating power source of a mechanism section for performing an automatic opening / closing operation from the high-voltage cable is arranged on a front surface below the operation section. A plate-shaped front cover covering the front surface of the power cable head is provided, and the front cover is pivotally supported at the upper end by a bearing protruding from the lower part of the front surface of the operation section, and the front cover and the power cable head can be detachably attached. An erroneous operation prevention device for a power cable head for operation in a branch opening / closing device, characterized in that a locking tool for locking and a locking tool for removably locking the front surface of the operation part and the front cover are provided respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989113402U JPH066645Y2 (en) | 1989-09-29 | 1989-09-29 | Misoperation prevention device for power cable head for operation in branch switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989113402U JPH066645Y2 (en) | 1989-09-29 | 1989-09-29 | Misoperation prevention device for power cable head for operation in branch switchgear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0354304U JPH0354304U (en) | 1991-05-27 |
| JPH066645Y2 true JPH066645Y2 (en) | 1994-02-16 |
Family
ID=31661818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989113402U Expired - Lifetime JPH066645Y2 (en) | 1989-09-29 | 1989-09-29 | Misoperation prevention device for power cable head for operation in branch switchgear |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH066645Y2 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0613532Y2 (en) * | 1987-02-02 | 1994-04-06 | 日新電機株式会社 | Closed switchboard |
| JPS63198309U (en) * | 1987-06-06 | 1988-12-21 |
-
1989
- 1989-09-29 JP JP1989113402U patent/JPH066645Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0354304U (en) | 1991-05-27 |
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