JPH0526677Y2 - - Google Patents
Info
- Publication number
- JPH0526677Y2 JPH0526677Y2 JP10102086U JP10102086U JPH0526677Y2 JP H0526677 Y2 JPH0526677 Y2 JP H0526677Y2 JP 10102086 U JP10102086 U JP 10102086U JP 10102086 U JP10102086 U JP 10102086U JP H0526677 Y2 JPH0526677 Y2 JP H0526677Y2
- Authority
- JP
- Japan
- Prior art keywords
- current collector
- movable electrode
- lever
- cylindrical current
- electrode rod
- 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
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- Transmission Devices (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Description
【考案の詳細な説明】
Ａ 産業上の利用分野
本考案はしや断器に係り、特に可動電極棒と操
作ロツドの連結部に特徴を有するしや断器に関す
る。[Detailed Description of the Invention] A. Field of Industrial Application The present invention relates to a cutting edge breaker, and more particularly to a cutting edge breaker having a feature in the connecting portion between a movable electrode rod and an operating rod.
Ｂ 考案の概要
本考案は、可動電極棒と異なる方向に可動する
操作ロツドによつて開閉操作を行なうしや断器に
おいて、
前記可動電極棒を介して両側に変換レバーと支
持レバーを各々設け、これらレバーに筒状集電体
の内部側壁に当接する円弧部を設けると共に、円
弧部に突起を設け、この突起を筒状集電体の内部
側壁に設けたガイド穴に没入することによつて支
持したことにより、
可動電極棒が振れることなく正しく往復動し得
るようにしたものである。B. Summary of the invention The present invention provides a converter lever and a support lever on both sides of the movable electrode rod, respectively, in a disconnector that is opened and closed by an operation rod that moves in a direction different from that of the movable electrode rod. These levers are provided with arcuate parts that come into contact with the inner side wall of the cylindrical current collector, and protrusions are provided on the arc parts, and these protrusions are inserted into guide holes provided in the inner side wall of the cylindrical current collector. This support allows the movable electrode rod to reciprocate correctly without swinging.
Ｃ 従来の技術
従来のしや断器を第５図に示すのでこれについ
て説明する。１５は引出形しや断器で、８は台車
１６上に設置された操作部、１は操作部８の背部
に設置した真空インタラプタの如き開閉器であ
る。３は可動側の筒状集電体で、該筒状集電体３
は支持碍子１７を介して操作部８に取付けられて
いる。２は固定側の筒状集電体で、該筒状集電体
２は支持碍子１８を介して操作部８の背部下方に
取付けられている。C. Prior Art A conventional shingle breaker is shown in FIG. 5 and will be described below. Reference numeral 15 is a drawer type or disconnector, 8 is an operating section installed on a trolley 16, and 1 is a switch such as a vacuum interrupter installed at the back of the operating section 8. 3 is a cylindrical current collector on the movable side;
is attached to the operating section 8 via a support insulator 17. Reference numeral 2 denotes a fixed-side cylindrical current collector, and the cylindrical current collector 2 is attached to the lower back of the operating section 8 via a support insulator 18.
筒状集電体３内には開閉器１の可動電極棒６が
摺動自在に挿入されており、変換レバー１０を介
して操作部８から延びている操作ロツド９と可動
電極棒６が連動連結されている。さらに説明する
と、可動側の筒状集電体３内には平面からみてほ
ぼ半円状の曲面を有するローラガイド２０ａ，２
０ｂが対称配置に設けられていると共に、各ロー
ラガイド２０ａ，２０ｂと可動電極棒６の間には
ローラコンタクト１３ａ，１３ｂが配設されてい
る。これらローラコンタクト１３ａ，１３ｂを介
して上部主回路導体５と可動電極棒６とは電気的
に接続される。 A movable electrode rod 6 of the switch 1 is slidably inserted into the cylindrical current collector 3, and the movable electrode rod 6 is interlocked with an operating rod 9 extending from the operating section 8 via a conversion lever 10. connected. To explain further, inside the cylindrical current collector 3 on the movable side, there are roller guides 20a, 2 having approximately semicircular curved surfaces when viewed from above.
0b are provided in a symmetrical arrangement, and roller contacts 13a, 13b are provided between each roller guide 20a, 20b and the movable electrode bar 6. The upper main circuit conductor 5 and the movable electrode rod 6 are electrically connected via these roller contacts 13a and 13b.
しかして、前記変換レバー１０は一方の端子導
体２０ｂに支軸２１により回動自在に支持されて
いると共に、偏心位置に設けられたピン２２を介
して可動電極棒６に連結されている。さらに変換
レバー１０にはピン１９により操作ロツド９の先
端が連結されている。 The conversion lever 10 is rotatably supported by a support shaft 21 on one terminal conductor 20b, and is connected to the movable electrode rod 6 via a pin 22 provided at an eccentric position. Further, the tip of the operating rod 9 is connected to the conversion lever 10 by a pin 19.
なお、第５図において、７は内端に固定接点を
有する固定電極棒、４は下部主回路導体、２４は
相間の絶縁バリヤである。 In FIG. 5, 7 is a fixed electrode rod having a fixed contact at its inner end, 4 is a lower main circuit conductor, and 24 is an insulating barrier between phases.
上記のしや断器１５において、操作部８を操作
することにより操作ロツド９が水平移動し、レバ
ー１０が揺動して可動電極棒６の垂直直線運動と
して伝達され、開閉装置１の接点が開閉される。 In the above-mentioned shield breaker 15, by operating the operating part 8, the operating rod 9 is moved horizontally, the lever 10 is swung, and the vertical linear movement of the movable electrode rod 6 is transmitted, and the contact of the switchgear 1 is It is opened and closed.
Ｄ 考案が解決しようとする問題点
上記の構成において、第６図に示すようにレバ
ー１０の回動中心Ａと可動電極棒６の軸心Ｂまで
の距離寸法に対し、回動中心Ａと可動電極棒６
との連結点Ｃ（つまり、ピン２２の位置）までの
寸法による回動半径Ｒとの差ｄが、
ｄ＝Ｒ−Rcosθ＝Ｒ−の関係にあるためしや
断器の開閉動作中に左右にｄだけ連接点Ｃがずれ
ることになる。このため可動電極棒６が左右に振
られ一対の接点（可動接点と固定接点）が片当り
を起し接触状態が不安定となつたり、また接点が
欠けたりする問題があつた。さらに、通電時に異
常に発熱したり、溶着を起して開極できなくなる
おそれもあつた。D. Problems to be solved by the invention In the above configuration, as shown in FIG. Electrode rod 6
The difference d between the turning radius R and the connecting point C (that is, the position of the pin 22) is the difference d between the turning radius R and the left and right movement during the opening and closing operation of the cutter and disconnector, which has the relationship d = R - R cos θ = R -. The connection point C will be shifted by d. As a result, the movable electrode rod 6 is swung left and right, causing uneven contact between the pair of contacts (the movable contact and the fixed contact), resulting in unstable contact conditions and the problem that some contacts may break. Furthermore, there was a risk that when electricity was applied, abnormal heat generation or welding would occur, making it impossible to open the electrodes.
本考案はこのような問題点を解決したものであ
る。 The present invention solves these problems.
Ｅ 問題点を解決するための手段
本考案はベース上に設置された操作部の側方に
支持碍子を介して筒状集電体を設け、該筒状集電
体に開閉器の可動電極棒を挿通して設け、前記筒
状集電部内に回動自在に設けた変換レバーの一端
側を前記可動電極棒端部に連結し、且つ他端側を
操作ロツドを介して前記操作部に連結して構成し
たしや断器において、
前記筒状集電体内で且つ可動電極棒を介して一
方の側に前記変換レバーを設け、他方の側に支持
レバーを設け、前記筒状集電体の内部側壁で且つ
両レバーに対応した部位に各々ガイド穴を設け、
前記変換レバーに筒状集電体の内部側壁に当接す
る円弧部を設けると共に、該円弧部に前記筒状集
電体の内部側壁に設けた穴に係合する突起を設け
て形成し、
前記支持レバーの一端側に筒状集電体の内部側
壁に当接する円弧部を設けると共に、該円弧部に
前記筒状集電体の内部側壁に設けたガイド穴に係
合する突起を設け、且つ他端側を前記変換レバー
と共に可動電極棒に連結したことを特徴とする。E Means for Solving the Problems The present invention provides a cylindrical current collector on the side of the operation unit installed on the base via a support insulator, and the movable electrode rod of the switch is attached to the cylindrical current collector. one end side of a conversion lever rotatably provided in the cylindrical current collecting section is connected to the end of the movable electrode rod, and the other end side is connected to the operating section via an operating rod. The converter lever is provided on one side of the cylindrical current collector via the movable electrode rod, and the support lever is provided on the other side of the cylindrical current collector. Guide holes are provided on the internal side wall and in areas corresponding to both levers.
The conversion lever is provided with a circular arc portion that comes into contact with the inner side wall of the cylindrical current collector, and the circular arc portion is provided with a protrusion that engages with a hole provided in the inner side wall of the cylindrical current collector, A circular arc portion is provided on one end side of the support lever to contact the inner side wall of the cylindrical current collector, and a projection is provided on the circular arc portion to engage with a guide hole provided in the inner side wall of the cylindrical current collector, and It is characterized in that the other end side is connected to the movable electrode rod together with the conversion lever.
Ｆ 作用
開閉器の開閉に際して、操作ロツドを往復移動
させると、該操作ロツドに連結した変換レバー
は、内部側壁に当接している円弧部が移動支点と
なつて回動し、ピンを介して連結されている相手
側の支持レバーも前記変換レバーと同様に円弧部
が移動支点となつて移動する。しかも各レバーの
突起がガイド穴に遊嵌していることにより移動支
点は内部側壁に沿つて確実に移動し、かつ変換レ
バーと支持レバーが対称移動することにより、前
記ピンに連結された可動電極棒は左右に振られる
ことなく直線移動して開閉動作が正しく行なわれ
る。F Effect When the operating rod is moved back and forth when opening and closing the switch, the conversion lever connected to the operating rod rotates with the arc part in contact with the internal side wall acting as a fulcrum, and is connected via the pin. Similarly to the converting lever, the supporting lever on the other side that is being moved also moves with its arcuate portion serving as a moving fulcrum. Moreover, since the protrusion of each lever is loosely fitted into the guide hole, the movable fulcrum can be reliably moved along the inner side wall, and the conversion lever and support lever can be moved symmetrically, so that the movable electrode connected to the pin can be moved symmetrically. The rod moves in a straight line without swinging from side to side, allowing the opening and closing operations to be performed correctly.
Ｇ 実施例
以下本考案を第１図〜第４図に示す実施例にも
とづいて説明する。なお、従来と同等部分には同
一符号を付して説明する。G. Embodiment The present invention will be described below based on the embodiment shown in FIGS. 1 to 4. In addition, the same reference numerals are given to the parts equivalent to the conventional parts in the description.
図において、１１ａは変換レバー、１１ｂは支
持レバーである。各レバー１１ａ，１１ｂは一対
をなして可動電極棒６の中心を直径方向に貫通す
るピン１４に回動自在に支持されている。また、
変換レバー１１ａと支持レバー１１ｂ端部の外周
には半径Ｒの円弧部１１ａ，１１ｂが形成されて
いる。円弧部１１a1，１１b1は可動側の筒状集電
体３の内部側壁３ａに当接し得るものである。な
お、筒状集電体３と開閉器１は共に絶縁筒１２の
内部に収納されている。 In the figure, 11a is a conversion lever, and 11b is a support lever. Each lever 11a, 11b forms a pair and is rotatably supported by a pin 14 passing through the center of the movable electrode rod 6 in the diametrical direction. Also,
Arcuate portions 11a and 11b having a radius of R are formed on the outer periphery of the ends of the conversion lever 11a and the support lever 11b. The arc portions 11a 1 and 11b 1 can come into contact with the inner side wall 3a of the cylindrical current collector 3 on the movable side. Note that both the cylindrical current collector 3 and the switch 1 are housed inside the insulating tube 12.
変換レバー１１ａと支持レバー１１ｂの円弧部
１１a1，１１b1には突起１１a2，１１b2が設けら
れており、該突起１１a2，１１b2は内部側壁３ａ
に形成したガイド穴２３に、その内部で動き得る
ように没入係合している。つまり、ガイド突起１
１a2，１１b2を山形に形成し、かつその斜面を半
径ｒの円弧状としている。ガイド穴２３の寸法を
Ｄとした場合、Ｄ≧ｒの寸法関係に設けている。 Protrusions 11a 2 and 11b 2 are provided on the circular arc portions 11a 1 and 11b 1 of the conversion lever 11a and the support lever 11b, and the protrusions 11a 2 and 11b 2 are connected to the inner side wall 3a .
The guide hole 23 is formed in the guide hole 23 so as to be movable therein. In other words, guide protrusion 1
1a 2 and 11b 2 are formed in a mountain shape, and the slopes thereof are in the shape of an arc with a radius r. When the dimension of the guide hole 23 is D, it is provided in a dimensional relationship of D≧r.
前記の構成において、可動電極棒６の軸心から
内部側壁３ａの壁面までの距離、（つまり、各レ
バー１１ａ，１１ｂの回転中心である連結ピン１
４から側壁３ａの内壁面までの距離）を寸法を
とし、
前記ピン１４の中心と変換レバー１１ａ及び支
持レバー１１ｂの各々の円弧部１１a1，１１b1と
の距離寸法、つまり円弧部の半径をＲとした場
合、
Ｒ＝の関係に設けてある。なお、変換レバー
１１ａにはピン１９によつて操作ロツド９が連結
されている。 In the above configuration, the distance from the axis of the movable electrode rod 6 to the wall surface of the inner side wall 3a (that is, the connection pin 1 which is the rotation center of each lever 11a, 11b)
4 to the inner wall surface of the side wall 3a), and the distance between the center of the pin 14 and the circular arc portions 11a 1 and 11b 1 of each of the conversion lever 11a and the support lever 11b, that is, the radius of the circular arc portion. In the case of R, the relationship is set as R=. Note that an operating rod 9 is connected to the conversion lever 11a by a pin 19.
従つて、今操作ロツド９が第２図で左に移動す
ると、変換レバー１１ａと支持レバー１１ｂは、
突起１１a2，１１b2がガイド穴２３によつて保持
され、かつ円弧部１１a1，１１b1と内部側壁３ａ
との接触部が移動支点となり、各レバー１１ａ，
１１ｂはこの接触部を中心に回動し、ピン１４を
介して可動電極棒６を図中上方向に可動し、開閉
器１を開極する。この際Ｒ＝の関係に設けられ
ているため、各レバー１１ａ，１１ｂは内部側壁
３ａを中心としたスムーズな回転移動が可能であ
り、且つピン１４は左右に振れることがなく、従
つて可動電極棒６は常に正しく直線移動する。 Therefore, if the operating rod 9 now moves to the left in FIG. 2, the conversion lever 11a and the support lever 11b will move as follows.
The protrusions 11a 2 and 11b 2 are held by the guide holes 23, and the arc parts 11a 1 and 11b 1 and the inner side wall 3a
The contact part with the lever becomes a moving fulcrum, and each lever 11a,
11b rotates around this contact portion, moves the movable electrode rod 6 upward in the figure via the pin 14, and opens the switch 1. At this time, since the levers 11a and 11b are provided in the relationship R=, each lever 11a, 11b can smoothly rotate around the inner side wall 3a, and the pin 14 does not swing left or right, so that the movable electrode The rod 6 always moves correctly in a straight line.
なお、突起の形状は、第３図Ａ，Ｂのように構
成しても良い。すなわち、第３図Ａは突起１１a3
を半円弧状に形成した場合である。第３図Ｂは突
起１１a4を三角形状に形成した場合である。 Note that the shape of the protrusion may be configured as shown in FIGS. 3A and 3B. That is, FIG. 3A shows the protrusion 11a 3
This is a case where the curve is formed into a semicircular arc shape. FIG. 3B shows a case where the protrusion 11a4 is formed into a triangular shape.
Ｈ 考案の効果
本考案は可動電極棒を介して両側に変換レバー
と支持レバーを各々設け、これらレバーに筒状集
電体の内壁面に当接する円弧部を設けると共に、
円弧部に突起を設け、この突起を筒状集電体の内
部側壁に設けたガイド穴に没入することによつて
支持したので、可動電極棒の上下動に伴つて変換
レバー及び支持レバーゑ円弧部は、筒状集電体側
壁内面に沿つて回動するので、電極棒と両レバー
と筒状集電体との三者の関係を常に一定に保つこ
とができ、可動電極棒をその軸心に沿つて正しく
上下動、すなわち開閉操作することができる。H. Effects of the invention The invention provides a conversion lever and a support lever on both sides via a movable electrode rod, and provides these levers with an arcuate portion that contacts the inner wall surface of the cylindrical current collector.
A protrusion was provided on the arc part, and the protrusion was supported by sinking into the guide hole provided in the inner side wall of the cylindrical current collector, so that the conversion lever and the support lever would move in the arc as the movable electrode moved up and down. Since the part rotates along the inner surface of the side wall of the cylindrical current collector, the relationship between the electrode rod, both levers, and the cylindrical current collector can always be kept constant, and the movable electrode rod can be rotated along its axis. It can be moved up and down correctly along the center, that is, it can be opened and closed.
従つて、可動電極棒が振れないので、可動電極
棒先端の接点と相手（固定）接点との接触は従来
のような片当りはなく安定したものとなり、結果
安定した通電性能が得られ、しかも大電流が流れ
た際に溶着するといつたことも改善される。 Therefore, since the movable electrode rod does not swing, the contact between the contact at the tip of the movable electrode rod and the mating (fixed) contact becomes stable without uneven contact as in the conventional case, resulting in stable current carrying performance. It also improves the problem of welding when a large current flows.
第１図は本考案に係るしや断器の要部の断面
図、第２図は可動電極棒と変換レバー及び支持レ
バーとの連結部構造の断面図、第３図Ａ，Ｂは変
換レバー及び支持レバーに設ける突起の２つの例
を示す説明図、第４図Ａは第１図Ａ−Ａ線断面
図、第４図Ｂは第１図Ｂ−Ｂ線断面図、第５図は
従来のしや断器の説明図、第６図は第５図に示す
変換レバーの説明図である。
１……開閉器、３……筒状集電部、３ａ……内
部側壁、６……可動電極棒、９……操作ロツド、
１１ａ……変換レバー、１１ｂ……支持レバー、
１１a1，１１b1……円弧部、１１a2，１１b2……
突起、１４……ピン、１５……しや断器、１７，
１８……支持碍子、２３……ガイド穴。
Fig. 1 is a sectional view of the main part of the shield disconnector according to the present invention, Fig. 2 is a sectional view of the connection structure between the movable electrode rod, the conversion lever and the support lever, and Figs. 3A and B are the conversion levers. and explanatory diagrams showing two examples of protrusions provided on the support lever, FIG. 4A is a cross-sectional view taken along the line A-A in FIG. 1, FIG. 4B is a cross-sectional view taken along the line B-B in FIG. 1, and FIG. 5 is a conventional FIG. 6 is an explanatory diagram of the conversion lever shown in FIG. 5. DESCRIPTION OF SYMBOLS 1... Switch, 3... Cylindrical current collector, 3a... Internal side wall, 6... Movable electrode rod, 9... Operation rod,
11a...conversion lever, 11b...support lever,
11a 1 , 11b 1 ... arc portion, 11a 2 , 11b 2 ...
Protrusion, 14...Pin, 15...Shipper, 17,
18...Support insulator, 23...Guide hole.
Claims (1)
を介して筒状集電体を設け、該筒状集電体に開閉
器の可動電極棒を挿通して設け、前記筒状集電体
内に回動自在に設けた変換レバーの一端側を前記
可動電極棒端部に回動可能に連結し、且つ他端側
を操作ロツドを介して前記操作部に連結して構成
したしや断器において、 前記筒状集電体内で且つ可動電極棒を介して一
方の側に前記変換レバーを設け、他方の側に支持
レバーを設け、前記筒状集電体の内部側壁で且つ
両レバーに対応した部位に各々ガイド穴を設け、
前記変換レバーに筒状集電体の内部側壁に当接
し、可動電極棒の軸心を中心とした円弧部を設け
ると共に、該円弧部に前記筒状集電体の側壁に設
けられたガイド穴から逸脱しないように前記円弧
部の外周が支点となつてガイド穴と遊嵌する突起
を設けて形成し、前記支持レバーの一端側に筒状
集電体の内部側壁に当接し、可動電極棒の軸心を
中心とした円弧部を設けると共に、該円弧部に前
記筒状集電体の側壁に設けられたガイド穴から逸
脱しないように前記円弧部の外周が支点となつて
ガイド穴と遊嵌する突起を設け、且つ支持レバー
の他端側を前記変換レバーと共に可動電極棒に回
動可能に連結し、可動電極棒の軸心から前記筒状
集電体の内部側壁の壁面までの距離寸法と、可動
電極棒の軸心と変換レバー及び支持レバーの各々
の円弧部までの距離寸法とを等しくなるように設
定したことを特徴とするしや断器。[Claims for Utility Model Registration] A cylindrical current collector is provided on the side of the operation unit installed on the base via a support insulator, and a movable electrode rod of the switch is inserted into the cylindrical current collector. one end side of a conversion lever rotatably provided in the cylindrical current collector is rotatably connected to the end of the movable electrode rod, and the other end side is connected to the operation section via an operation rod. The converter lever is provided on one side of the cylindrical current collector via the movable electrode rod, and the support lever is provided on the other side of the cylindrical current collector. Guide holes are provided on the internal side wall and in areas corresponding to both levers.
The conversion lever is provided with a circular arc portion that abuts the inner side wall of the cylindrical current collector and is centered on the axis of the movable electrode rod, and the circular arc portion is provided with a guide hole provided in the side wall of the cylindrical current collector. The outer periphery of the arcuate portion serves as a fulcrum and a protrusion is provided that loosely fits into the guide hole so that the support lever does not deviate from the guide hole. A circular arc portion centered on the axis of the cylindrical current collector is provided, and the outer periphery of the circular arc portion serves as a fulcrum to ensure that the circular arc portion does not deviate from the guide hole provided in the side wall of the cylindrical current collector. A fitting protrusion is provided, and the other end of the support lever is rotatably connected to the movable electrode rod together with the conversion lever, and the distance from the axis of the movable electrode rod to the wall surface of the inner side wall of the cylindrical current collector is provided. 1. A blade disconnector characterized in that the dimensions and the distances from the axis of the movable electrode rod to the arcuate portions of each of the conversion lever and the support lever are set to be equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10102086U JPH0526677Y2 (en) | 1986-07-01 | 1986-07-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10102086U JPH0526677Y2 (en) | 1986-07-01 | 1986-07-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS638544U JPS638544U (en) | 1988-01-20 |
| JPH0526677Y2 true JPH0526677Y2 (en) | 1993-07-06 |
Family
ID=30971378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10102086U Expired - Lifetime JPH0526677Y2 (en) | 1986-07-01 | 1986-07-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0526677Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5164535B2 (en) * | 2007-11-19 | 2013-03-21 | 三菱電機株式会社 | Solid insulated switchgear |
-
1986
- 1986-07-01 JP JP10102086U patent/JPH0526677Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS638544U (en) | 1988-01-20 |
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