CN102761070A - Three-position locking device for drawout breaker - Google Patents
Three-position locking device for drawout breaker Download PDFInfo
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- CN102761070A CN102761070A CN2012102566202A CN201210256620A CN102761070A CN 102761070 A CN102761070 A CN 102761070A CN 2012102566202 A CN2012102566202 A CN 2012102566202A CN 201210256620 A CN201210256620 A CN 201210256620A CN 102761070 A CN102761070 A CN 102761070A
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Abstract
A three-position locking device for a drawout breaker comprises a baseplate, wherein a support is arranged on the baseplate; whereas the rear end of the support is fixed on the baseplate through a fixing board, the front end is provided with a sliding board; both a transmission screw rod and a position indication rod penetrate the support and the sliding board; a U-shaped key groove for locking is formed at the base of the transmission screw rod; the front end of the position indication rod is rotatablely connected with the surface of one side of the support; three bulges are arranged on the position indication rod; the rear end of the position indication rod is connected with a locking device which is fixed on the fixing board; and the locking end of the locking device is matched with the U-shaped key groove of the transmission screw rod. Compared with the prior art, through the position indication rod, the positions of separation, experiment and linkage can be accurately determined; when the sliding board slides to corresponding positions, the position indication rod gives out a trip signal, and an energy storage spring releases energy, so that the rotation of the transmission screw rod can be quickly and accurately locked.
Description
Technical field
The present invention relates to a kind of three positional lock devices, particularly a kind of drawout breaker that is used for is separating, is testing and link accurately three positional lock devices of the drawout breaker of locking of three positions.
Background technology
In the prior art; Traditional drawout breaker does not all have detent mechanism for the position of separating, testing and link three kinds of different conditions, thereby to separate, test and link three kinds of positions generally all be to rely on the simulation indication of pointer on the analog indicator to confirm.
Above-mentioned such mode of operation makes the operator because the deviation of position in the deviation at visual angle and the forward and backward moving process, and it is inaccurate to cause drawout breaker to put in place, causes faulty operation easily.
Therefore, need a kind of three positional lock devices of drawout breaker especially, to solve the above-mentioned existing problem that exists.
Summary of the invention
The object of the present invention is to provide a kind of three positional lock devices of drawout breaker,, can determine separation, experiment and three positions of link of drawout breaker exactly to the deficiency of prior art.
The technical problem that the present invention solved can adopt following technical scheme to realize:
A kind of three positional lock devices of drawout breaker is characterized in that it comprises a base plate; Said base plate is provided with a bearing; The rear end of said bearing is fixed on the said base plate through a fixed head, and the front end of said bearing is provided with a slide plate, in said bearing and slide plate, is equipped with a turn-screw and a position indicating arm; The base portion of said turn-screw is provided with the U-shaped keyway that is used to lock; The front end of said position indicating arm is rotatably connected on the side of said bearing one side, and said position indicating arm is provided with three convexities, and the rear end of said position indicating arm is connected with locking device; Said locking device is fixed on the said fixed head, and the keyed end of said locking device matches with the U-shaped keyway of said turn-screw.
In one embodiment of the invention, the front end of said position indicating arm is rotatably connected on the side of said bearing one side through a supporting axis and a jump ring.
In one embodiment of the invention, said turn-screw is connected with said slide plate through screw thread.
In one embodiment of the invention, the rear end of said turn-screw is fixed on the said bearing through the end face bearing and by nut.
In one embodiment of the invention; Said locking device comprises an automatic little snap close and a lock of nodding; Said automatic little snap close is fixed on the said fixed head and is provided with jump ring; The rear end of said position indicating arm is connected with a push rod, and said push rod is fixed on the said fixed head through a back-moving spring, and said push rod is arranged on the bottom of said automatic little snap close; The said lock of nodding is fixed on the said fixed head through a connecting axle; Said upper end of nodding lock is connected with a resetting shaft; The side of the said lock of nodding is connected with said base plate is fastened to each other through an energy-stored spring, and said snap close end of nodding lock matches with the U-shaped keyway of said turn-screw.
Further, said automatic little snap close is fixed on the said fixed head through rivet.
Further, said nod to lock be provided with an auxiliary snap close.
Further, be connected with a trip lever on the said resetting shaft.
Three positional lock devices of drawout breaker of the present invention; Compared with prior art, can determine separation exactly, test and link three positions, when the relevant position is arrived in skateboarding through the position indicating arm; The position indicating arm sends trip signal; Simultaneously energy-stored spring releases energy, thus the rotation of pinning turn-screw quickly and accurately, have rational in infrastructure, simple, volume is little, easy to operate, can when circuit breaker is in separation respectively, tests and links three positions, accurately lock; Avoid the advantage of misoperation, realize the object of the invention.
Characteristics of the present invention can consult this case graphic and below better execution mode detailed description and obtain to be well understood to.
Description of drawings
Fig. 1 is the structural representation of three positional lock devices of drawout breaker of the present invention;
Fig. 2 is a structural representation of putting lock unit of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with concrete diagram, further set forth the present invention.
As shown in Figure 1; Three positional lock devices of drawout breaker of the present invention; It comprises a base plate 100, and said base plate 100 is provided with a bearing 200, and the rear end of said bearing 200 is fixed on the said base plate 100 through a fixed head 300; The front end of said bearing 200 is provided with a slide plate 400; In said bearing 200 and slide plate 400, be equipped with a turn-screw 500 and a position indicating arm 600, the base portion of said turn-screw 500 is provided with the U-shaped keyway 510 that is used to lock, and the front end of said position indicating arm 600 is rotatably connected on the side of said bearing 200 1 sides; Said position indicating arm 600 is provided with three convexities 610; The rear end of said position indicating arm 600 is connected with locking device 700, and said locking device 700 is fixed on the said fixed head 300, and the keyed end of said locking device 700 matches with the U-shaped keyway 510 of said turn-screw 500.
In the present invention, the front end of said position indicating arm 600 is rotatably connected on the side of said bearing 200 1 sides through a supporting axis 620 and a jump ring 630.
In the present invention, said turn-screw 500 is connected with said slide plate 400 through screw thread.
In the present invention, the rear end of said turn-screw 500 is fixed on the said bearing 200 through end face bearing 520 and by nut 530.
As shown in Figure 2; Said locking device 700 comprise an automatic little snap close 710 and nod the lock 720; Said automatic little snap close 710 is fixed on the said fixed head 300 and is provided with jump ring 730; The rear end of said position indicating arm 600 is connected with a push rod 640, and said push rod 640 is fixed on the said fixed head 300 through a back-moving spring 650, and said push rod 640 is arranged on the bottom of said automatic little snap close 710; The said lock 720 of nodding is fixed on the said fixed head 300 through a connecting axle 740; Said upper end of nodding lock 720 is connected with a resetting shaft 750; The side of the said lock 720 of nodding is through an energy-stored spring 760 and said 100 fastened to each other connections of base plate, and said snap close end of nodding lock 720 matches with the U-shaped keyway 510 of said turn-screw 500.
Said automatic little snap close 710 is fixed on the said fixed head 300 through rivet 711.The said lock 720 of nodding is provided with an auxiliary snap close 770.Be connected with a trip lever 800 on the said resetting shaft 750.
In the present invention, bearing 200, fixed head 300 are separately fixed on the base plate 100, and turn-screw 500 links to each other with slide plate 400, and turn-screw 500 rear ends are fixed on the bearing 200 by nut 530 through end face bearing 520, and turn-screw 500 is rotatable.
A resetting shaft 750 is installed in lock 720 upper ends of nodding, and the lock 720 of nodding is with installing an energy-stored spring 760 between the base plate 100, and energy-stored spring 760 is given 720 1 power left of lock of nodding all the time, and nod lock 720 and auxiliary snap close 770 are in the same place through rivet combination.
During work, at first push breaker body, this moment, circuit breaker was in the separation point position.When the needs breaker body travels forward; The end plant handle that keyway must be arranged at turn-screw 500; Release then when release, is stirred trip lever 800 through knob; Trip lever 800 is stirred lock 720 the resetting shaft 750 of nodding and is done and turn clockwise, and this moment, automatic little snap close 710 moved upward along the inclined-plane on lock 720 right sides of nodding; After on being nodded in the inclined-plane of locking 720 right sides on automatic little snap close 710 edges, rising peak, automatic little snap close 710 moves downward, and this moment, automatic little snap close 710 pinned the lock 720 of nodding, and turn-screw 500 is unlocked.
Make the rotation of turn-screw 500 clockwise directions through shaking handle after the release, thereby promote slide plate 400 to direction motion away from bearing 200.This moment, slide plate 400 was crossed the convexity 610 on the position indicating arm 600; Position indicating arm 600 begins to rotate rising around supporting axis 620 under the effect of push rod 640; The automatic little snap close 710 of position indicating arm 600 promotions simultaneously moves upward, when the convexity 610 of position indicating arm 600 has risen, and automatic little snap close 710 releases; The lock 720 counterclockwise fine motion under the effect of energy-stored spring 760 of nodding is once pinned by the push rod on the position indicating arm 600 640 at this moment.When slide plate 400 runs into next protruding 610 time on the position indicating arm 600; Position indicating arm 600 moves downward under the effect of slide plate 400; When slide plate 400 moves to the top of convexity 610 of position indicating arm 600; Position indicating arm 600 is depressed push rod 640 threads off it, and the lock 720 of nodding is rotated counterclockwise under the effect of energy-stored spring 760, and the lock 720 of nodding this moment is stuck in the U-shaped keyway 510 of turn-screw 500; Pin turn-screw 500 it can not be rotated, this moment, circuit breaker was locked to test position.
And circuit breaker locks in the release of experiment position and at link position, its operation repetition said process.More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification just explains principle of the present invention, and under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications; These variations and improvement all fall in the scope of the invention that requires protection, and the present invention requires protection range to be defined by appending claims and equivalent thereof.
Claims (8)
1. three positional lock devices of a drawout breaker is characterized in that it comprises a base plate; Said base plate is provided with a bearing; The rear end of said bearing is fixed on the said base plate through a fixed head, and the front end of said bearing is provided with a slide plate, in said bearing and slide plate, is equipped with a turn-screw and a position indicating arm; The base portion of said turn-screw is provided with the U-shaped keyway that is used to lock; The front end of said position indicating arm is rotatably connected on the side of said bearing one side, and said position indicating arm is provided with three convexities, and the rear end of said position indicating arm is connected with locking device; Said locking device is fixed on the said fixed head, and the keyed end of said locking device matches with the U-shaped keyway of said turn-screw.
2. three positional lock devices of drawout breaker as claimed in claim 1 is characterized in that, the front end of said position indicating arm is rotatably connected on the side of said bearing one side through a supporting axis and a jump ring.
3. three positional lock devices of drawout breaker as claimed in claim 1 is characterized in that, said turn-screw is connected with said slide plate through screw thread.
4. three positional lock devices of drawout breaker as claimed in claim 1 is characterized in that, the rear end of said turn-screw is fixed on the said bearing through the end face bearing and by nut.
5. three positional lock devices of drawout breaker as claimed in claim 1; It is characterized in that; Said locking device comprises an automatic little snap close and a lock of nodding, and said automatic little snap close is fixed on the said fixed head and is provided with jump ring, and the rear end of said position indicating arm is connected with a push rod; Said push rod is fixed on the said fixed head through a back-moving spring, and said push rod is arranged on the bottom of said automatic little snap close; The said lock of nodding is fixed on the said fixed head through a connecting axle; Said upper end of nodding lock is connected with a resetting shaft; The side of the said lock of nodding is connected with said base plate is fastened to each other through an energy-stored spring, and said snap close end of nodding lock matches with the U-shaped keyway of said turn-screw.
6. three positional lock devices of drawout breaker as claimed in claim 5 is characterized in that, said automatic little snap close is fixed on the said fixed head through rivet.
7. three positional lock devices of drawout breaker as claimed in claim 5 is characterized in that, said nod to lock be provided with an auxiliary snap close.
8. three positional lock devices of drawout breaker as claimed in claim 5 is characterized in that, are connected with a trip lever on the said resetting shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210256620.2A CN102761070B (en) | 2012-07-23 | 2012-07-23 | Three-position locking device for drawout breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210256620.2A CN102761070B (en) | 2012-07-23 | 2012-07-23 | Three-position locking device for drawout breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102761070A true CN102761070A (en) | 2012-10-31 |
| CN102761070B CN102761070B (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210256620.2A Active CN102761070B (en) | 2012-07-23 | 2012-07-23 | Three-position locking device for drawout breaker |
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| CN (1) | CN102761070B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647223A (en) * | 2013-11-29 | 2014-03-19 | 德力西电气有限公司 | Drawer seat three-position indicating and locking device of circuit breaker |
| CN109346972A (en) * | 2018-11-29 | 2019-02-15 | 常州市耕耘电器有限公司 | A kind of three position locking device of modified for drawout breaker |
| CN111404069A (en) * | 2019-01-02 | 2020-07-10 | Ls产电株式会社 | Lead-in and lead-out device of circuit breaker comprising interlocking module |
Citations (5)
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| CN1725584A (en) * | 2005-03-14 | 2006-01-25 | 浙江正泰电器股份有限公司 | Circuit breaker drawer base with self-locking function |
| CN200997497Y (en) * | 2006-11-29 | 2007-12-26 | 李建民 | Locker for eject circuit breaker |
| CN101154529B (en) * | 2006-09-29 | 2010-08-11 | 希捷爱斯（上海）电气有限公司 | Direct action type three-station manual operating position locking mechanism |
| CN102280828A (en) * | 2010-06-12 | 2011-12-14 | 上海电科电器科技有限公司 | Tri-position interlocking device of drawer breaker |
| EP2453539A2 (en) * | 2010-11-15 | 2012-05-16 | General Electric Company | Undercarriage and keylock assembly for use with a circuit breaker |
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2012
- 2012-07-23 CN CN201210256620.2A patent/CN102761070B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1725584A (en) * | 2005-03-14 | 2006-01-25 | 浙江正泰电器股份有限公司 | Circuit breaker drawer base with self-locking function |
| CN101154529B (en) * | 2006-09-29 | 2010-08-11 | 希捷爱斯（上海）电气有限公司 | Direct action type three-station manual operating position locking mechanism |
| CN200997497Y (en) * | 2006-11-29 | 2007-12-26 | 李建民 | Locker for eject circuit breaker |
| CN102280828A (en) * | 2010-06-12 | 2011-12-14 | 上海电科电器科技有限公司 | Tri-position interlocking device of drawer breaker |
| EP2453539A2 (en) * | 2010-11-15 | 2012-05-16 | General Electric Company | Undercarriage and keylock assembly for use with a circuit breaker |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647223A (en) * | 2013-11-29 | 2014-03-19 | 德力西电气有限公司 | Drawer seat three-position indicating and locking device of circuit breaker |
| CN103647223B (en) * | 2013-11-29 | 2016-08-31 | 德力西电气有限公司 | The drawout chassis three position instruction locking device of chopper |
| CN109346972A (en) * | 2018-11-29 | 2019-02-15 | 常州市耕耘电器有限公司 | A kind of three position locking device of modified for drawout breaker |
| CN109346972B (en) * | 2018-11-29 | 2023-11-24 | 常州市耕耘电器有限公司 | Improved three-position lock device for draw-out circuit breaker |
| CN111404069A (en) * | 2019-01-02 | 2020-07-10 | Ls产电株式会社 | Lead-in and lead-out device of circuit breaker comprising interlocking module |
| US11476646B2 (en) | 2019-01-02 | 2022-10-18 | Ls Electric Co., Ltd. | Retracting and extending apparatus for circuit breaker with interlock module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102761070B (en) | 2015-05-20 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BOER (SHANGHAI) ELECTRIC SWITCH CO., LTD. Free format text: FORMER NAME: SHANGHAI ELECTRICAL APPARATUS RESEARCH INSTITUTE SWITCH APPARATUS CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Jiading District Cao Road, Shanghai No. 1908 201803 Patentee after: Boer (Shanghai) Electric Switch Co., Ltd. Address before: Jiading District Cao Road, Shanghai No. 1908 201803 Patentee before: Shanghai Electrical Apparatus Research Institute Switchgear Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210127 Address after: 214000 industrial concentration area (Dajian Village), Wanshi Town, Wuxi City, Jiangsu Province Patentee after: BOER (YIXING) POWER SYSTEM Co.,Ltd. Address before: Jiading District Cao Road, Shanghai No. 1908 201803 Patentee before: BOER SHANGHAI ELECTRICAL APPLIANCE SWITCH Co.,Ltd. |