JPH0766721B2 - Ratchet charging mechanism for circuit breaker - Google Patents
Ratchet charging mechanism for circuit breakerInfo
- Publication number
- JPH0766721B2 JPH0766721B2 JP34140689A JP34140689A JPH0766721B2 JP H0766721 B2 JPH0766721 B2 JP H0766721B2 JP 34140689 A JP34140689 A JP 34140689A JP 34140689 A JP34140689 A JP 34140689A JP H0766721 B2 JPH0766721 B2 JP H0766721B2
- Authority
- JP
- Japan
- Prior art keywords
- ratchet
- claw
- main body
- body frame
- circuit breaker
- 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
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は遮断器、例えば遮断器筐体の前面よりハンド
ル操作して投入バネをチャージしたのち、指令を与える
ことにより通電部を上記蓄勢力で閉成させ、さらに開放
させる気中遮断器の、ラチェット式チャージ機構に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention charges a closing spring by operating a handle from the front of a circuit breaker, for example, a circuit breaker housing, and then gives a command to energize the energizing portion. The present invention relates to a ratchet type charging mechanism of an air circuit breaker that is closed by force and further opened.
従来のこの種の気中遮断器は、概略第8図、第9図に示
すように構成されている。第8図は側面図、第9図は第
8図を左からみた図であり、図において(1)が筐体
で、内部機構としては例えば特開昭58-129720号公報に
示されているので説明を省略する。(2)は内部機構の
一部であるチャージ用カム、(3)は電動駆動用ラチェ
ット、(4)は手動駆動用ラチェット、(5)はカム
(2)および各ラチェット(3),(4)を支持するカ
ムシャフト、(6)はモータ、(7)はモータ(6)に
より駆動される送りツメで、ラチェット(3)と係合す
る。(8)は手動チャージ用ハンドル、(9)はハンド
ル(8)により駆動される送りツメで、ラチェット
(4)と係合する。(10),(11)は通電部の一部を構
成する一対の導体である。A conventional air circuit breaker of this type is constructed as schematically shown in FIGS. 8 and 9. FIG. 8 is a side view, and FIG. 9 is a view of FIG. 8 seen from the left. In the figure, (1) is a housing, and the internal mechanism is shown in, for example, Japanese Patent Application Laid-Open No. 58-129720. Therefore, the description is omitted. (2) is a charging cam that is a part of the internal mechanism, (3) is an electric drive ratchet, (4) is a manual drive ratchet, (5) is a cam (2) and each ratchet (3), (4 ) Is supported by the cam shaft, (6) is a motor, and (7) is a feed claw driven by the motor (6), which engages with the ratchet (3). (8) is a handle for manual charging, and (9) is a feed tab driven by the handle (8), which engages with the ratchet (4). (10) and (11) are a pair of conductors forming a part of the current-carrying part.
モータ(6)により送りツメ(7)を駆動してラチェッ
ト(3)を回転させ、あるいはハンドル(8)により送
りツメ(9)を駆動してラチェット(4)を回転させる
ことにより、チャージ用カム(2)を回転させ、チャー
ジする。その他の詳しい動作は前記した公報に示されて
いるので説明を省略する。The charging cam is driven by driving the feed claw (7) by the motor (6) to rotate the ratchet (3) or by driving the feed claw (9) by the handle (8) to rotate the ratchet (4). Rotate (2) to charge. Since other detailed operations are described in the above-mentioned publication, description thereof will be omitted.
第8図、第9図におけるラチェット式チャージ機構を、
第10図および第11図について詳しく説明する。第10図は
第8図の線X−Xの拡大断面図、第11図は第10図を上か
らみた図であり、第8図、第9図を同一部分には同一符
号を付して説明を省略する。図において、(12)は筐体
(1)内に設置される本体フレームで、カムシャフト
(5)を回転可能に支持している。(13)は本体フレー
ム(12)に取付ネジ(14)により取付けられる機構フレ
ームで、減速ユニット(15)を介してモータ(6)によ
り駆動される送りツメ(7)が回転可能に取付けられて
いる。(16)は送りツメ(7)を係合する方向に付勢す
る引きバネ、(17)は送りツメ(7)の組み込み前の位
置決めをするストッパー、(18)は送りツメ(7)に送
り作用をさせるカム、(19)は本体フレーム(12)に設
けた開口で、送りツメ(7)の組み込み用として形成さ
れている。The ratchet type charge mechanism in FIGS. 8 and 9 is
10 and 11 will be described in detail. 10 is an enlarged cross-sectional view taken along the line XX of FIG. 8, and FIG. 11 is a view of FIG. 10 seen from above. In FIG. 8 and FIG. The description is omitted. In the figure, (12) is a main body frame installed in the housing (1), and rotatably supports the camshaft (5). (13) is a mechanism frame that is attached to the main body frame (12) with a mounting screw (14), and has a feed claw (7) that is driven by a motor (6) via a reduction unit (15) and is rotatably attached. There is. (16) is a pull spring for urging the feed claw (7) in the engaging direction, (17) is a stopper for positioning the feed claw (7) before assembling, and (18) is fed to the feed claw (7). The actuating cam (19) is an opening provided in the main body frame (12) and is formed for incorporating the feed claw (7).
このようにラチェット式チャージ機構は、ラチェット
(3)がカムシャフト(5)により回転可能に取付けら
れる本体フレーム(12)と、機構フレーム(13)に取付
けられるモータ(6)および送りツメ(7)などを備え
た電動操作機構とからなっており、この種の機構は例え
ば実開昭49-90869号公報に示されている。As described above, the ratchet type charging mechanism includes a main body frame (12) to which the ratchet (3) is rotatably attached by a camshaft (5), a motor (6) and a feed tab (7) attached to the mechanism frame (13). This type of mechanism is disclosed in, for example, Japanese Utility Model Publication No. Sho 49-90869.
上記のような従来の遮断器のラチェット式チャージ機構
では、電動操作機構を本体フレーム(12)に組み込むと
き、引きバネ(16)によりストッパー(17)に押圧され
ている送りツメ(7)の係合部(7a)がラチェット
(3)の板面に当るので、例えばつり上げ用フック(2
0)により送りツメ(7)をつり上げた状態で組み込ま
なければならず、そのために片手で電動操作機構を持ち
もう一方の手でつり上げ用フック(20)を操作するの
で、組み込み作業性が悪いという問題点があった。In the ratchet type charging mechanism of the conventional circuit breaker as described above, when the electric operation mechanism is incorporated in the main body frame (12), the engagement of the feed claw (7) pressed against the stopper (17) by the pulling spring (16). Since the joint part (7a) contacts the plate surface of the ratchet (3), for example, the lifting hook (2
It is necessary to assemble the feed claw (7) in a state of being lifted by (0), and for that reason, the electric operation mechanism is held with one hand and the lifting hook (20) is operated with the other hand, so that the workability of assembling is poor. There was a problem.
この発明はかかる問題点を解消するためになされたもの
で、つり上げ用フックを用いずに電動操作機構を本体フ
レームに容易に組み込める作業性の良い遮断器のラチェ
ット式チャージ機構を得ることを目的とする。The present invention has been made to solve the above problems, and an object thereof is to obtain a ratchet type charging mechanism for a circuit breaker with good workability in which an electric operating mechanism can be easily incorporated into a main body frame without using a lifting hook. To do.
上記目的を達成するために、この発明に係る遮断器のラ
チェット式チャージ機構は、ラチェットが回転可能に取
付けられる本体フレームにツメガイドを設け、この本体
フレームに電動操作機構を組み込むとき、その送りツメ
が前記ツメガイドによりガイドされるようにしたもので
ある。In order to achieve the above object, a ratchet type charging mechanism for a circuit breaker according to the present invention is provided with a claw guide on a main body frame to which a ratchet is rotatably mounted, and when the electric operating mechanism is incorporated into the main body frame, its feed claw is It is designed to be guided by the claw guide.
この発明においては、本体フレームに電動操作機構を組
み込むとき、送りツメがツメガイドによりガイドされる
ので、送りツメがラチェットに当たらずに容易に組み込
める。In the present invention, when the electric operating mechanism is incorporated in the main body frame, the feed claw is guided by the claw guide, so that the feed claw can be easily assembled without hitting the ratchet.
この発明の一実施例を第1図〜第7図について説明す
る。第1図は第10図と同じ断面図、第2図は第1図を上
からみた図、第3図は第1図の本体フレームのみを示す
図、第4図は第3図を上からみた図、第5図は第3図の
矢印V方向からみた図、第6図は第1図の電動操作機構
のみを示す図、第7図は第6図を上からみた図であり、
前記従来のものと同一または相当部分には同一符号を付
して説明を省略する。図において、(21)は本体フレー
ム(12)の開口(19)内に設けたツメガイドで、電動操
作機構の組み込み時に送りツメ(7)の係合部(7a)を
引きバネ(16)に抗して押しやる傾斜部(21a)を有し
ている。An embodiment of the present invention will be described with reference to FIGS. FIG. 1 is the same sectional view as FIG. 10, FIG. 2 is a view of FIG. 1 seen from above, FIG. 3 is a view showing only the main body frame of FIG. 1, and FIG. 4 is seen from above. 5 is a view seen from the direction of arrow V in FIG. 3, FIG. 6 is a view showing only the electric operating mechanism of FIG. 1, and FIG. 7 is a view of FIG. 6 seen from above.
The same or corresponding parts as those of the conventional one are designated by the same reference numerals and the description thereof will be omitted. In the figure, (21) is a claw guide provided in the opening (19) of the main body frame (12), and the engaging part (7a) of the feed claw (7) resists the pull spring (16) when the electric operation mechanism is incorporated. It has an inclined part (21a) for pushing and pushing.
このようにツメガイド(21)を設けておくと、第3図〜
第5図に示す本体フレーム(12)に矢印(22)で示す方
向から、第6図および第7図に示す電動操作機構を矢印
(23)で示す方向に組み込むとき、引きバネ(16)によ
りストッパー(17)に押圧されている送りツメ(7)の
係合部(7a)が第5図に示すようにツメガイド(21)の
傾斜面(21a)によりガイドされて逃げるので、ツメガ
イド(7)の係合部(7a)がラチェット(3)の位置に
達し、ツメガイド(21)から外れた送りツメ(7)が引
きバネ(16)により戻って第1図に示すように送りツメ
(7)の係合部(7a)がラチェット(3)に係合する。
こうして、電動操作機構を本体フレーム(12)に容易に
組み入れることができる。If the claw guides (21) are provided in this way, FIG.
When the electric operating mechanism shown in FIGS. 6 and 7 is installed in the body frame (12) shown in FIG. 5 from the direction shown by the arrow (22) in the direction shown by the arrow (23), the pulling spring (16) is used. Since the engaging portion (7a) of the feed claw (7) pressed by the stopper (17) is guided by the inclined surface (21a) of the claw guide (21) and escapes as shown in FIG. 5, the claw guide (7) The engaging portion (7a) of the lever reaches the position of the ratchet (3), and the feed claw (7) disengaged from the claw guide (21) is returned by the pulling spring (16) to return to the feed claw (7) as shown in FIG. The engaging portion (7a) of is engaged with the ratchet (3).
In this way, the electric operation mechanism can be easily incorporated into the main body frame (12).
以上のように、この発明によればつり上げ用フックを用
いずに電動操作機構を本体フレームに容易に組み込める
ので作業性の向上が図れるという効果が得られる。As described above, according to the present invention, the electric operation mechanism can be easily incorporated into the main body frame without using the lifting hook, and thus the workability can be improved.
第1図はこの発明の一実施例を示す要部断面図、第2図
は第1図を上からみた図、第3図は第1図の本体フレー
ムのみを示す図、第4図は第3図を上からみた図、第5
図は第3図の矢印V方向からみた図、第6図は第1図の
電動操作機構のみを示す図、第7図は第6図を上からみ
た図、第8図は従来の遮断器を示す図、第9図は第8図
を左からみた図、第10図は第8図の線X−Xの拡大断面
図、第11図は第10図を上からみた図である。 図において、(3)はラチェット、(6)はモータ、
(7)は送りツメ、(12)は本体フレーム、(13)は機
構フレーム、(21)はツメガイドを示す。 なお、図中同一符号は同一または相当部分を示す。FIG. 1 is a sectional view of an essential part showing an embodiment of the present invention, FIG. 2 is a view of FIG. 1 seen from above, FIG. 3 is a view showing only the main body frame of FIG. 1, and FIG. Fig. 3 from the top, Fig. 5
Fig. 6 is a view as seen from the direction of arrow V in Fig. 3, Fig. 6 is a view showing only the electric operating mechanism of Fig. 1, Fig. 7 is a view as seen from above Fig. 6, and Fig. 8 is a conventional circuit breaker. FIG. 9, FIG. 9 is a view of FIG. 8 seen from the left, FIG. 10 is an enlarged sectional view taken along line XX of FIG. 8, and FIG. 11 is a view of FIG. 10 seen from above. In the figure, (3) is a ratchet, (6) is a motor,
(7) shows a feed claw, (12) shows a main body frame, (13) shows a mechanism frame, and (21) shows a claw guide. The same reference numerals in the drawings indicate the same or corresponding parts.
Claims (1)
て、 前記ラチェットが回転可能に取付けられかつ前記遮断器
の筐体内に設置できるように構成した本体フレームと、 機構フレームに取付けられたモータにより駆動される送
りツメを前記機構フレームに回転可能に取付け、前記機
構フレームを前記本体フレームに取付けたときに前記送
りツメが前記ラチェットに係合するように構成した電動
操作機構とからなるものにおいて、 前記本体フレームにツメガイドを設け、前記電動操作機
構を機構フレームにより前記本体フレームに組み込んで
取付けるとき、その組み込み過程中に前記ツメガイドに
より前記送りツメを逃がし、前記取付状態では前記ツメ
ガイドから離れて前記送りツメが前記ラチェットに係合
するようにしたことを特徴とする遮断器のラチェット式
チャージ機構。1. A ratchet type charging mechanism for a circuit breaker, comprising: a main body frame in which the ratchet is rotatably attached and configured to be installed in a casing of the circuit breaker; and a motor attached to the mechanism frame. A driven feed claw is rotatably attached to the mechanism frame, and an electric operation mechanism configured such that the feed claw engages with the ratchet when the mechanism frame is attached to the main body frame. When the main body frame is provided with a claw guide, and when the electric operation mechanism is incorporated into the main body frame by the mechanism frame to be attached, the feed claw is released by the claw guide during the assembling process, and the feed is separated from the claw guide in the attached state. The claw is adapted to engage with the ratchet. Ratcheting charge mechanism of the circuit breaker.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP34140689A JPH0766721B2 (en) | 1989-12-26 | 1989-12-26 | Ratchet charging mechanism for circuit breaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP34140689A JPH0766721B2 (en) | 1989-12-26 | 1989-12-26 | Ratchet charging mechanism for circuit breaker |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH03201327A JPH03201327A (en) | 1991-09-03 |
JPH0766721B2 true JPH0766721B2 (en) | 1995-07-19 |
Family
ID=18345822
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP34140689A Expired - Lifetime JPH0766721B2 (en) | 1989-12-26 | 1989-12-26 | Ratchet charging mechanism for circuit breaker |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0766721B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7411145B1 (en) * | 2007-04-10 | 2008-08-12 | Eaton Corporation | Motor operator de-coupling system sensing camshaft position |
-
1989
- 1989-12-26 JP JP34140689A patent/JPH0766721B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH03201327A (en) | 1991-09-03 |
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