JP3044859B2 - Operating devices for power equipment - Google Patents
Operating devices for power equipmentInfo
- Publication number
- JP3044859B2 JP3044859B2 JP3237521A JP23752191A JP3044859B2 JP 3044859 B2 JP3044859 B2 JP 3044859B2 JP 3237521 A JP3237521 A JP 3237521A JP 23752191 A JP23752191 A JP 23752191A JP 3044859 B2 JP3044859 B2 JP 3044859B2
- Authority
- JP
- Japan
- Prior art keywords
- lever
- operating
- shaft
- spring
- support shaft
- 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
Description
【０００１】[0001]
【産業上の利用分野】本発明は、電力機器を高速で操作
する場合に用いる電力機器の操作装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power device operating device used for operating power devices at high speed.
【０００２】[0002]
【従来の技術】断路器や接地装置等の電力機器を操作す
るために操作装置が用いられる。図５〜図７に従来の操
作装置の構造を作用と共に示す。2. Description of the Related Art An operating device is used to operate a power device such as a disconnector or a grounding device. 5 to 7 show the structure of a conventional operating device together with the operation.
【０００３】図６に示す可動コンタクト１０の投入状態
から引外しを行うためにバネ５を蓄勢するときは、モー
タ（図示せず）によりねじ軸１を右回転させてナット２
を右方に移動させる。ナット２の右方向移動により蓄勢
用レバー３が反時計方向に回動し、爪部３ｃがバネ用レ
バー４の係合部４ｂに係合してバネ用レバー４を同方向
に回動してバネ５を圧縮して蓄勢する。When the spring 5 is charged in order to release the movable contact 10 from the closed state shown in FIG. 6, the screw shaft 1 is rotated clockwise by a motor (not shown) and the nut 2 is rotated.
To the right. The rightward movement of the nut 2 causes the energy storage lever 3 to rotate counterclockwise, and the claw 3c engages with the engaging portion 4b of the spring lever 4 to rotate the spring lever 4 in the same direction. The spring 5 is compressed to accumulate energy.
【０００４】バネ用レバー４がデッドポイントを越える
とバネ５の放勢によりバネ用レバー４は急速に反時計方
向に回動される。このためバネ用レバー４の爪部４ｄが
操作カム６の係合部６ｂに当接して操作カム６を反時計
方向に回動させて操作軸７，操作レバー９を介して可動
コンタクト１０を引外す。このとき操作カム６がある角
度回転した位置でそのアーム６ｃが上方にある引外し用
のショックアブソーバ１２を叩くので引外し時のショッ
クが緩和され、図７の引外し状態となる。When the spring lever 4 exceeds the dead point, the spring lever 4 is released, and the spring lever 4 is rapidly rotated counterclockwise. Therefore, the pawl portion 4d of the spring lever 4 comes into contact with the engaging portion 6b of the operation cam 6, rotates the operation cam 6 counterclockwise, and pulls the movable contact 10 via the operation shaft 7 and the operation lever 9. remove. At this time, the arm 6c hits the upper shock absorber 12 at the position where the operation cam 6 is rotated by a certain angle, so that the shock at the time of the trip is alleviated and the trip state shown in FIG. 7 is obtained.
【０００５】一方、投入のために図７に示す引外し状態
からバネ５を蓄勢するときは、モータを逆方向に回転さ
せてナット２を左方に移動させる。ナット２の左方向移
動により蓄勢用レバー３が時計方向に回動し、爪部３ｄ
がバネ用レバー４の係合部４ａに係合してバネ用レバー
４を同方向に回動してバネ５を圧縮して蓄勢する。On the other hand, when the spring 5 is charged from the tripped state shown in FIG. 7 for insertion, the motor is rotated in the reverse direction to move the nut 2 to the left. By moving the nut 2 to the left, the energy storage lever 3 rotates clockwise, and the claw 3d
Engages with the engaging portion 4a of the spring lever 4, rotates the spring lever 4 in the same direction, compresses the spring 5, and accumulates the energy.
【０００６】バネ用レバー４がデッドポイントを越える
と、バネ５の放勢により急速に時計方向に回動されるた
め、爪部４ｃが操作カム６の係合部６ａに当接して操作
カム６を時計方向に急速に回動させて可動コンタクト１
０を投入する。このとき操作カム６がある角度回転した
位置でそのアーム６ｃが下方にある投入用ショックアブ
ソーバ１１を叩くので投入時の衝撃が緩和され、図６の
投入状態となる。When the spring lever 4 exceeds the dead point, the spring 5 is rapidly rotated clockwise by the release of the spring 5, so that the claw portion 4c comes into contact with the engaging portion 6a of the operation cam 6 and the operation cam 6 Is rapidly rotated clockwise to move the movable contact 1
Input 0. At this time, the arm 6c hits the input shock absorber 11 below at the position where the operation cam 6 is rotated by a certain angle, so that the impact at the time of input is reduced, and the input state shown in FIG. 6 is obtained.
【０００７】[0007]
【発明が解決しようとする課題】ところが、操作軸に取
り付けるレバーやカムの数が多いために操作軸が長くな
ってしまい、駆動力が操作レバーへ達するまでにエネル
ギー及び操作ストロークの多くを損失する。また、各レ
バー等の形状が複雑でかつ数が多いためにコスト高とな
り、組立にも時間がかかるという欠点がある。However, since the number of levers and cams attached to the operation shaft is large, the operation shaft becomes long, and much of the energy and operation stroke are lost before the driving force reaches the operation lever. . In addition, since the shapes of the levers and the like are complicated and large in number, the cost is high and the assembly takes time.
【０００８】そこで本発明は、斯かる課題を解決した電
力機器の操作装置を提供することを目的とする。[0008] Therefore, an object of the present invention is to provide an operating device for electric power equipment which has solved the above problems.
【０００９】[0009]
【課題を解決するための手段】斯かる目的を達成するた
めの本発明の構成は、電力機器を操作するために一方又
は他方へ回動させる操作レバーを操作軸の一端に固着す
るとともに他端には円周方向へ一定の角度を切り欠いて
切欠部を形成した操作カムを固着し、支持軸に回転自在
に支持されるとともに前記切欠部と係合して前記操作カ
ムを正逆方向へ駆動する係合部を有する駆動レバーを設
け、一端が固定部に結合されたバネの他端を当該駆動レ
バーに結合し、前記駆動レバーには前記支持軸を中心と
する円周方向に相互に離して一対の突出部を形成すると
ともに夫々の突出部を切り欠いて挿通部を形成し、前記
一対の挿通部のいずれかに挿通された状態になるねじ軸
を前記支持軸と略直角でかつ回転駆動可能に設け、回転
が拘束された状態でねじ軸に沿って移動自在なナット材
をねじ軸に螺合させ、ナット材がいずれの突出部を押圧
するかによって前記駆動レバーを正逆回転させるように
したことを特徴とする。In order to achieve the above object, the present invention has a structure in which an operating lever for rotating one side or the other side for operating a power device is fixed to one end of an operating shaft and the other end is connected to the other end. the operation mosquitoes to engage the notch with fixed operating cam forming the notch by cutting out a certain angle to the circumferential direction, is rotatably supported by the support shaft to
Provided a driving lever to have a engaging portion for driving the arm to the forward and reverse directions, the other end of the spring having one end coupled to the fixed portion attached to said drive lever, wherein the drive lever and the center of the support shaft
When forming a pair of protrusions separated from each other in the circumferential direction
Both cut out each protruding part to form an insertion part,
Screw shaft inserted into one of a pair of insertion parts
Is provided substantially perpendicular to the support shaft and rotatably driven,
Nut material that can move along the screw axis while the
Screw onto the screw shaft, and the nut material presses any protrusion
To rotate the drive lever forward or reverse
Characterized in that it was.
【００１０】[0010]
【作用】駆動レバーを一の方向へ回動させるとバネが蓄
勢され、デッドポイントを通過した後はバネの放勢力で
急速に同一方向へ駆動レバーが回動し、係合部が操作カ
ムを回動させるので操作レバーが−の方向へ回動する。
逆に、駆動レバーを他の方向へ回動させると、同様にし
て操作レバーが他の方向へ回動する。When the drive lever is turned in one direction, the spring is charged, and after passing the dead point, the drive lever is quickly turned in the same direction by the spring force of the spring, and the engaging portion is operated by the operating cam. Is rotated, the operation lever rotates in the negative direction.
Conversely, when the drive lever is rotated in another direction, the operation lever is similarly rotated in another direction.
【００１１】[0011]
【実施例】以下、本発明を図面に示す実施例に基づいて
詳細に説明する。なお、本実施例は従来の電力機器の操
作装置の一部を改良したものなので、従来と同一部分に
は同一符号を付して説明を省略し、異なる部分のみを説
明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail based on embodiments shown in the drawings. In this embodiment, since a part of the conventional operating device for electric power equipment is improved, the same parts as those in the related art are denoted by the same reference numerals, and description thereof will be omitted. Only different parts will be described.
【００１２】本発明による電力機器の操作装置の構成
を、図１に示す。操作軸の右端の構成は、従来と同様で
あるが、左端には操作カム１５が固着される。操作カム
１５は円周方向へ一定の角度を切り欠いて切欠部１５ａ
を形成するために一対のアーム１５ｂ，１５ｃが形成さ
れる。アーム１５ｂ，１５ｃの下方にはショックアブソ
ーバ１２，１１が設けられ、投入の際にはアーム１５ｃ
がショックアブソーバ１１に当接し、引外しの際にはア
ーム１５ｂがショックアブソーバ１２に当接する。FIG. 1 shows the configuration of an operating device for power equipment according to the present invention. The configuration of the right end of the operation shaft is the same as that of the related art, but the operation cam 15 is fixed to the left end. The operation cam 15 has a notch 15a formed by cutting out a certain angle in the circumferential direction.
Are formed to form a pair of arms 15b and 15c. Shock absorbers 12 and 11 are provided below the arms 15b and 15c.
Abuts on the shock absorber 11, and the arm 15b abuts on the shock absorber 12 during tripping.
【００１３】操作カム１５の近傍には支持軸を兼用する
操作軸７に挿通して駆動レバー１６が回転自在に支持さ
れる。駆動レバー１６は略三角形の形状を有し、その頂
点はバネ５を介して固定部に結合される。また、頂点近
傍から操作軸７と平行に係合部としてのピン１７が突出
しており、このピン１７は操作カム１５の切欠部１５ａ
と係合する。A drive lever 16 is rotatably supported in the vicinity of the operation cam 15 by being inserted into the operation shaft 7 which also serves as a support shaft. The drive lever 16 has a substantially triangular shape, and its apex is connected to the fixed part via the spring 5. Further, a pin 17 as an engaging portion protrudes from the vicinity of the vertex in parallel with the operation shaft 7, and the pin 17 is formed by a notch 15 a of the operation cam 15.
Engage with.
【００１４】このほか、駆動レバー１６を操作軸７を中
心としていずれの方向へも回動させうる駆動手段が設け
られる。駆動レバー１６における三角形の底辺両側には
夫々突出部としてのつば部１６ａ，１６ｂが形成され、
夫々のつば部には切り欠くことによって挿通部１６ｃ，
１６ｄが形成される。一方、挿通部１６ｃ又は１６ｄに
挿通した状態でねじ軸１８が回転自在に支持される。こ
のねじ軸１８にはナット材１９が螺合され、ナット材１
９に固着したピン１９ａがねじ軸１８と平行に形成した
図示しないガイド溝に遊嵌される。つまり、ねじ軸１８
を回転させることによりナット材１９は回転することな
くねじ軸１８に沿って移動することになる。このねじ軸
１８は図示しないモータの出力軸に連動連結される。In addition, a driving means is provided which can rotate the driving lever 16 in any direction about the operation shaft 7. On both sides of the base of the triangle of the drive lever 16, flanges 16a and 16b are formed as protrusions , respectively.
Each of the brim portions is cut out so that the insertion portions 16c,
16d are formed. On the other hand, the screw shaft 18 is rotatably supported while being inserted through the insertion portion 16c or 16d. A nut member 19 is screwed onto the screw shaft 18, and the nut member 1
A pin 19a fixed to the screw 9 is loosely fitted in a guide groove (not shown) formed in parallel with the screw shaft 18. That is, the screw shaft 18
By rotating the nut member 19, the nut member 19 moves along the screw shaft 18 without rotating. The screw shaft 18 is linked to an output shaft of a motor (not shown).
【００１５】次に、斯かる電力機器の操作装置の作用を
説明する。引外しのためには、図２に示す投入状態から
図１に示すねじ軸１８を一の方向へ回転する。するとナ
ット材１９が図１中の右方へ移動してつば部１６ｂを押
圧し、駆動レバー１６を反時計方向へ回動させる。この
ときバネ５を圧縮して蓄勢し、駆動レバー１６の回転が
デッドポイントを通過すると、バネ５の放勢力によって
駆動レバー１６が反時計方向へ高速で回され、このとき
にピン１７が切欠部１５ａ内を移動するとともにアーム
１５ｂに衝突して操作カム１５を高速で反時計方向へ回
動させる。この結果、図３に示すように可動コンタクト
１０の引外しが完了するとともにアーム１５ｂがショッ
クアブソーバ１２に当って衝撃が緩和される。Next, the operation of the operating device for such power equipment will be described. For tripping, the screw shaft 18 shown in FIG. 1 is rotated in one direction from the closed state shown in FIG. Then, the nut member 19 moves to the right in FIG. 1 to press the collar 16b, thereby rotating the drive lever 16 counterclockwise. At this time, the spring 5 is compressed and accumulated, and when the rotation of the drive lever 16 passes through the dead point, the drive lever 16 is rotated counterclockwise at a high speed by the force of the spring 5, and the pin 17 is notched. The operation cam 15 is rotated in the counterclockwise direction at high speed while moving in the portion 15a and colliding with the arm 15b. As a result, as shown in FIG. 3, the trip of the movable contact 10 is completed, and the impact is alleviated by the arm 15 b hitting the shock absorber 12.
【００１６】逆に投入する場合は、図３に示す引外し状
態からねじ軸１８を他の方向へ回転させる。するとナッ
ト材１９が図１中の左方へ移動してつば部１６ａを押圧
し、駆動レバー１６を時計方向へ回動させる。この場合
にもバネ５を圧縮して蓄勢し、駆動レバー１６の回転が
デッドポイントを通過すると駆動レバー１６が時計方向
へ高速で回されピン１７がアーム１５ｃに衝突して操作
カム１５を高速で時計方向へ回動させる。この結果、図
２に示すように可動コンタクト１０の投入が完了すると
ともにアーム１５ｃがショックアブソーバ１１に当って
衝撃が緩和される。On the other hand, when the screw is inserted, the screw shaft 18 is rotated in another direction from the tripped state shown in FIG. Then, the nut member 19 moves to the left in FIG. 1 and presses the collar 16a, thereby rotating the drive lever 16 clockwise. Also in this case, the spring 5 is compressed to accumulate energy, and when the rotation of the drive lever 16 passes through the dead point, the drive lever 16 is rotated clockwise at a high speed, and the pin 17 collides with the arm 15c to move the operation cam 15 at a high speed. To rotate clockwise. As a result, as shown in FIG. 2, the closing of the movable contact 10 is completed, and at the same time, the arm 15c hits the shock absorber 11, and the impact is reduced.
【００１７】なお、ショックアブソーバ１１，１２を図
４で示す位置に具え、投入時にはつば部１６ａがショッ
クアブソーバ１１に当り、引外し時にはつば部１６ｂが
ショックアブソーバ１２に当るようにすることもでき
る。The shock absorbers 11 and 12 may be provided at the positions shown in FIG. 4 so that the collar 16a hits the shock absorber 11 when the shutter is closed, and the collar 16b hits the shock absorber 12 when the trip is performed.
【００１８】[0018]
【発明の効果】以上の説明からわかるように、本発明に
よる電力機器の操作装置によれば、駆動レバーに相互に
離して一対の突出部を形成し、ナット材が一方の突出部
を押圧してデッドポイントを通過後にバネの放勢力で駆
動レバーが回動させられて他方の突出部がナット材に当
たるまで回動するように空転領域を設けているので、バ
ネの放勢による高速動作を実行させることができ、空転
領域を設けるために従来設けられていたバネ用レバーと
蓄勢用レバーとの組み合わせを廃止して単一化すること
ができ、２枚のレバー間で発生していたエネルギーや操
作ストロークの損失を０にすることができる。また、レ
バーの数を削減したので、コストダウンを図ることがで
きるとともに組み立てが容易である。更に、従来では必
要であったレバーにおける複雑な加工が不要になったた
め、加工工数が減り、この面からもコストダウンにな
る。As can be seen from the above description, according to the operating device for power equipment according to the present invention, the driving levers
Separately form a pair of protrusions, and the nut material is
To drive with the spring force after passing the dead point.
The moving lever is rotated, and the other protrusion contacts the nut material.
An idling area is provided so that it rotates
High-speed operation can be performed by releasing
Be singulated abolished the combination of legacy provided et al which do spring lever and energizing lever to provide a region
Thus, the energy and operating stroke loss generated between the two levers can be reduced to zero. Further, since the number of levers is reduced, cost can be reduced and assembly is easy. In addition, in the past,
The complicated processing of the lever , which was necessary, is no longer necessary, so that the number of processing steps is reduced, and the cost is reduced in this respect as well.
【図１】本発明に係る電力機器の操作装置の構成図。FIG. 1 is a configuration diagram of an operating device of a power device according to the present invention.
【図２】本発明に係り、投入状態を示す操作装置の作用
説明図。FIG. 2 is an explanatory view of the operation of the operating device in the closed state according to the present invention.
【図３】本発明に係り、引外し状態を示す操作装置の作
用説明図。FIG. 3 is an operation explanatory view of the operating device showing a tripped state according to the present invention.
【図４】本発明の他の実施例を示す電力機器の操作装置
の構成図。FIG. 4 is a configuration diagram of a power device operating device according to another embodiment of the present invention.
【図５】従来の電力機器の操作装置の構成図。FIG. 5 is a configuration diagram of a conventional operating device for power equipment.
【図６】従来の電力機器の操作装置に係り、投入状態を
示す操作装置の作用説明図。FIG. 6 is an operation explanatory view of a conventional operating device of a power device, showing an operating state of the operating device.
【図７】従来の電力機器の操作装置に係り、引外し状態
を示す操作装置の作用説明図。FIG. 7 is an operation explanatory view of a conventional operation device of a power device, showing a tripped state.
５…バネ ７…操作軸 ９…操作レバー １０…可動コンタクト １５…操作カム １５ａ…切欠部 １６…駆動レバー１６ａ，１６ｂ…つば部 １６ｃ…挿通部 １７，１９ａ…ピン １８…ねじ軸 １９…ナット材Reference Signs List 5 spring 7 operating shaft 9 operating lever 10 movable contact 15 operating cam 15a notch 16 driving lever 16a, 16b flange 16c insertion portion 17 , 19a pin 18 screw shaft 19 nut material
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平３−74018（ＪＰ，Ａ) 実開 昭63−85826（ＪＰ，Ｕ) 実開 平４−12236（ＪＰ，Ｕ) 実公 平３−12184（ＪＰ，Ｙ２) 実公 平３−12185（ＪＰ，Ｙ２) (58)調査した分野(Int.Cl.7，ＤＢ名) H01H 33/40 H01H 33/42 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-3-74018 (JP, A) JP-A-63-85826 (JP, U) JP-A-4-12236 (JP, U) 12184 (JP, Y2) Jiko 3-12185 (JP, Y2) (58) Fields investigated (Int. Cl. 7 , DB name) H01H 33/40 H01H 33/42
Claims (1)
へ回動させる操作レバーを操作軸の一端に固着するとと
もに他端には円周方向へ一定の角度を切り欠いて切欠部
を形成した操作カムを固着し、支持軸に回転自在に支持
されるとともに前記切欠部と係合して前記操作カムを正
逆方向へ駆動する係合部を有する駆動レバーを設け、一
端が固定部に結合されたバネの他端を当該駆動レバーに
結合し、前記駆動レバーには前記支持軸を中心とする円
周方向に相互に離して一対の突出部を形成するとともに
夫々の突出部を切り欠いて挿通部を形成し、前記一対の
挿通部のいずれかに挿通された状態になるねじ軸を前記
支持軸と略直角でかつ回転駆動可能に設け、回転が拘束
された状態でねじ軸に沿って移動自在なナット材をねじ
軸に螺合させ、ナット材がいずれの突出部を押圧するか
によって前記駆動レバーを正逆回転させるようにしたこ
とを特徴とする電力機器の操作装置。An operating lever for rotating one side or the other for operating a power device is fixed to one end of an operating shaft, and a notch is formed at the other end at a predetermined angle in a circumferential direction. fixed operating cam, said operating cam to engage said notch is rotatably supported by the support shaft positive
A driving lever which have a engaging portion for driving in the opposite direction is provided to combine the other end of the spring having one end coupled to the fixed portion to the drive lever, wherein the drive lever around the said support shaft circle
While forming a pair of protrusions apart from each other in the circumferential direction,
Cut out the respective projecting portions to form insertion portions, and
Insert the screw shaft inserted into one of the insertion sections
Provided substantially at right angles to the support shaft and rotatably driven, restricting rotation
With the nut material movable along the screw axis
Which protrusion is pressed by the nut material when screwed to the shaft
The operating device for electric power equipment, wherein the driving lever is rotated forward and backward by the rotation of the driving lever .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3237521A JP3044859B2 (en) | 1991-09-18 | 1991-09-18 | Operating devices for power equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3237521A JP3044859B2 (en) | 1991-09-18 | 1991-09-18 | Operating devices for power equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0574279A JPH0574279A (en) | 1993-03-26 |
| JP3044859B2 true JP3044859B2 (en) | 2000-05-22 |
Family
ID=17016562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3237521A Expired - Lifetime JP3044859B2 (en) | 1991-09-18 | 1991-09-18 | Operating devices for power equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3044859B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100379692B1 (en) * | 2001-05-02 | 2003-04-10 | 엘지산전 주식회사 | Transmission link apparatus for electric power equipment |
-
1991
- 1991-09-18 JP JP3237521A patent/JP3044859B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0574279A (en) | 1993-03-26 |
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