CN201845697U - Permanent-magnetic vacuum circuit breaker - Google Patents
Permanent-magnetic vacuum circuit breaker Download PDFInfo
- Publication number
- CN201845697U CN201845697U CN2010201971382U CN201020197138U CN201845697U CN 201845697 U CN201845697 U CN 201845697U CN 2010201971382 U CN2010201971382 U CN 2010201971382U CN 201020197138 U CN201020197138 U CN 201020197138U CN 201845697 U CN201845697 U CN 201845697U
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- CN
- China
- Prior art keywords
- separating
- switching
- vacuum circuit
- brake
- permanent magnet
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- 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 - Fee Related
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Abstract
The utility model discloses a permanent-magnetic vacuum circuit breaker; when the manual switching-off operation needs to be completed, a switching-off handle is pressed, a switching-off operation block is rotated to run, so as to drive a manual switching-off shaft to rotate, a switching-off semicircular cam rotates along with the manual switching-off shaft and drives an switching-off crankarm to rotate when the switching-off semicircular cam is in contact with a pin on the switching-off crankarm, so that a main shaft of the circuit breaker rotates, finally, the movement is transmitted to a guide rod of a moving core iron, so that the moving core iron overcomes the switching-off retention force and moves upward, and the manual switching-off operation is completed under the action of the counter force of a contact and the tensile force of an switching-off spring. During the switching-off operation process, an operator only needs to use his weight to complete the pressing operation of the opening handle, so as to complete the manual switching-off process and achieve the purpose of realizing the manual switching-off operation simply and conveniently.
Description
Technical field
The utility model relates to breaker technical field, more particularly, relates to a kind of permanent magnet type vacuum circuit-breaker.
Background technology
Manual switching-off device is one of vitals of permanent magnetism vacuum circuit-breaker.When the major loop of circuit breaker must be cut off and control circuit can't connect the time, use manual switching-off device to finish the cut-out of major loop.
Existing permanent magnet type vacuum circuit-breaker mostly is arranged on manual switching-off device the upper end of permanent magnet mechanism, utilizes cam gear to realize the divide-shut brake of this circuit breaker.
Concrete, described cam gear links to each other with the moving guide rod unshakable in one's determination of permanent magnet mechanism on one side, and another side links to each other with the manual brake separating axle.Use support and bearing fixing at this circuit breaker top on the manual brake separating axle.When needs carry out sub-switching operation, operating personnel use separating brake handle rotation manual separating brake axle, and then drive the motion of described cam gear, the moving guide rod unshakable in one's determination of permanent magnet mechanism is along with the contour curve of described cam gear moves upward, magnetic resistance between motion beginning back permanent magnet and moving iron core increases suddenly, at this moment, described permanent magnet descends fast to moving confining force unshakable in one's determination, finally makes permanent magnet mechanism finish the separating brake action under the effect of touch spring and tripping spring.
Yet, utilize cam gear to realize manual brake separating, be to use the direct rotating cam device of handle.What the finishing of separating brake action relied on basically is operating personnel's arm strength, like this, has just increased the difficulty of manual brake separating operation.
In addition, the switching-off device of existing permanent magnet type vacuum circuit-breaker substantially all is positioned at the top of permanent magnet type vacuum circuit-breaker, and the position is higher, and the height to operating personnel has proposed requirement to a certain extent, has equally also increased the difficulty of manual brake separating operation.
The utility model content
In view of this, the utility model provides a kind of permanent magnet type vacuum circuit-breaker, to realize the finishing manual brake separating operation simply and easily.
To achieve these goals, the technical scheme of proposition is as follows:
A kind of permanent magnet type vacuum circuit-breaker, its manual switching-off device comprises:
Be installed in the manual brake separating axle on the hole slot of the dividing plate of bottom in the described permanent magnet type vacuum circuit-breaker cabinet;
Be connected on the described manual brake separating axle by the key connected mode respectively and all be positioned at the manual brake separating operating block and the separating brake semicircle cam of this manual brake separating axle one end;
Be connected the separating brake handle on the described manual brake separating operating block;
Be socketed in the separating brake connecting lever on the described permanent magnet type vacuum circuit-breaker main shaft, this separating brake connecting lever is positioned at the combined floodgate connecting lever left side in described permanent magnet type vacuum circuit-breaker main shaft centre position, and its external part is fixed with pin, this pin is positioned at described separating brake semicircle cam top, and vertical range peripheral with it preset spacing.
Preferably, described default spacing is not more than 3mm, and is not less than 2mm.
Preferably, be equipped with on the hole slot of described permanent magnet type vacuum circuit-breaker cabinet internal partition of described manual brake separating axle and also be provided with jump ring.
Preferably, the described manual brake separating axle outer periphery that is provided with manual brake separating operating block and separating brake semicircle cam end is equipped with jump ring.
Preferably, described separating brake handle comprises: an end is connected the action bars on the described manual brake separating operating block, and is arranged on the bakelite ball on the described action bars other end.
From above-mentioned technical scheme as can be seen, the disclosed permanent magnet type vacuum circuit-breaker of the utility model, when needs are finished the manual brake separating operation, depress described separating brake handle, drive described sub-switching operation piece running, and then drive described manual brake separating axle and rotate, described separating brake semicircle cam is followed this manual brake separating axle and is rotated, when it touches pin on the described separating brake connecting lever, can drive the rotation of described separating brake connecting lever, this circuit breaker main shaft is rotated, finally transmit motion to moving guide rod unshakable in one's determination, make iron core overcome closing retention force and move upward, under the effect of the pulling force of contact counter-force and tripping spring, finish the manual brake separating operation.In above-mentioned sub-switching operation process, operating personnel only need utilize own wt to finish to press down separating brake lever operated, just can finish the manual brake separating process, have realized carrying out simply and easily the purpose of manual brake separating operation.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the disclosed a kind of permanent magnet type vacuum circuit-breaker of the utility model embodiment;
Fig. 2 is the structural representation of manual switching-off device in the disclosed a kind of permanent magnet type vacuum circuit-breaker of the utility model embodiment;
Fig. 3 is the structural representation of manual switching-off device in the disclosed a kind of permanent magnet type vacuum circuit-breaker of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment discloses a kind of permanent magnet type vacuum circuit-breaker, to realize the finishing manual brake separating operation simply and easily.
Shown in Fig. 1,2,3, described permanent magnet type vacuum circuit-breaker, its manual switching-off device comprises: manual brake separating axle 1, manual brake separating operating block 2, separating brake semicircle cam 3, separating brake connecting lever 4 and separating brake handle 8, wherein:
Be positioned at opening slot on first dividing plate 101 of described permanent magnet type vacuum circuit-breaker cabinet bottom and the second partition 102, the hole slot that manual brake separating axle 1 passes on first dividing plate 101 and the second partition 102 is installed;
Manual brake separating operating block 2 and separating brake semicircle cam 3 all are connected on the manual brake separating axle 1 by the key connected mode and all are positioned at an end of this manual brake separating axle 1;
Separating brake handle 8 is connected on the manual brake separating operating block 2;
Separating brake connecting lever 4 is socketed on the permanent magnet type vacuum circuit-breaker main shaft 6, and be positioned at the combined floodgate connecting lever left side in permanent magnet type vacuum circuit-breaker main shaft 6 centre positions, and its external part is fixed with pin 5, and this pin is positioned at separating brake semicircle cam 3 tops, with the default spacing of its peripheral distance.
Concrete, described key connects the key that uses generally to be made with No. 45 steel, can connect manual brake separating operating block 2 and separating brake semicircle cam 3 on the manual brake separating axle 1, and it is played the axial restraint effect, to reach transfer torque.All have keyway on manual brake separating axle 1, manual brake separating operating block 2 and the separating brake semicircle cam 3, key is placed in the keyway on the manual brake separating axle 1, and its surface is higher than the surface that manual brake separating axle 1 is not placed key; Again manual brake separating operating block 2 and separating brake semicircle cam 3 are socketed on the manual brake separating axle 1.
Specifically referring to Fig. 2, when needs are finished the manual brake separating operation, depress separating brake handle 8, drive 2 runnings of manual brake separating operating block, because the key on the manual brake separating axle is in the keyway of manual brake separating operating block 2, manual brake separating operating block 2 rotates and can drive 1 rotation of manual brake separating axle, same, when another key on the manual brake separating axle 1 is in the keyway of separating brake semicircle cam 3, manual brake separating axle 1 rotates can drive 3 rotations of separating brake semicircle cam again, when separating brake semicircle cam 3 touches pin 5 on the separating brake connecting lever 4, can drive the rotation of separating brake connecting lever 4, this circuit breaker main shaft 6 is rotated, finally transmit motion to moving guide rod 7 unshakable in one's determination, make iron core overcome closing retention force and move upward, under the effect of the pulling force of contact counter-force and tripping spring, finish the manual brake separating operation.
For the time separating brake semicircle cam 3 drive the rotation of separating brake connecting lever 4 effectively, general pin 5 is 2mm-3mm with the scope of the peripheral vertical range of separating brake semicircle cam 3.
Generally speaking, the bakelite ball that separating brake handle 8 can be divided into action bars and be arranged on described operation one end, wherein, the end that described action bars is not provided with the bakelite ball is connected on the manual brake separating operating block 2.When pressing down separating brake handle 8, only need hold the bakelite ball and get final product to pressing down.
Referring to Fig. 3, be respectively arranged with jump ring 11 and jump ring 12 on the hole slot on first dividing plate 101 and the second partition 102, same, the outer periphery that manual brake separating axle 1 is provided with manual brake separating operating block 2 and separating brake semicircle cam 3 ends is equipped with jump ring 13.Wherein, jump ring also is back-up ring or clasp, belongs to a kind of of securing member, plays a part to stop on the axle or the part move left and right on the hole.In the disclosed permanent magnet type vacuum circuit-breaker of present embodiment, jump ring 11 and jump ring 12 can be fixed on manual brake separating axle 1 first dividing plate 101 and
Between two dividing plates 102, jump ring 12 and jump ring 13 can carry out axial restraint with manual brake separating operating block 2 and separating brake semicircle cam 3.
In sum, in above-mentioned manual brake separating operating process, operating personnel only need utilize own wt to finish to press down separating brake lever operated, just can finish the manual brake separating process, have realized carrying out simply and easily the purpose of manual brake separating operation.
In addition,, be arranged on the cabinet bottom, operating personnel's height is not required, anyly can realize that per capita the manual brake separating of circuit breaker is affected because the manual switching-off device of this circuit breaker is specially the separating brake handle.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (5)
1. a permanent magnet type vacuum circuit-breaker is characterized in that, its manual switching-off device comprises:
Be installed in the manual brake separating axle on the hole slot of the dividing plate of bottom in the described permanent magnet type vacuum circuit-breaker cabinet;
Be connected on the described manual brake separating axle by the key connected mode respectively and all be positioned at the manual brake separating operating block and the separating brake semicircle cam of this manual brake separating axle one end;
Be connected the separating brake handle on the described manual brake separating operating block;
Be socketed in the separating brake connecting lever on the described permanent magnet type vacuum circuit-breaker main shaft, this separating brake connecting lever is positioned at the combined floodgate connecting lever left side in described permanent magnet type vacuum circuit-breaker main shaft centre position, and its external part is fixed with pin, this pin is positioned at described separating brake semicircle cam top, and vertical range peripheral with it preset spacing.
2. permanent magnet type vacuum circuit-breaker according to claim 1 is characterized in that, described default spacing is not more than 3mm, and is not less than 2mm.
3. permanent magnet type vacuum circuit-breaker according to claim 1 is characterized in that, is equipped with on the hole slot of described permanent magnet type vacuum circuit-breaker cabinet internal partition of described manual brake separating axle and also is provided with jump ring.
4. according to claim 1 permanent magnet type vacuum circuit-breaker, it is characterized in that the outer periphery that described manual brake separating axle is provided with manual brake separating operating block and separating brake semicircle cam end is equipped with jump ring.
5. according to any described permanent magnet type vacuum circuit-breaker in the claim 1 to 4, it is characterized in that described separating brake handle comprises: an end is connected the action bars on the described manual brake separating operating block, and is arranged on the bakelite ball on the described action bars other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201971382U CN201845697U (en) | 2010-05-18 | 2010-05-18 | Permanent-magnetic vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201971382U CN201845697U (en) | 2010-05-18 | 2010-05-18 | Permanent-magnetic vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201845697U true CN201845697U (en) | 2011-05-25 |
Family
ID=44040582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201971382U Expired - Fee Related CN201845697U (en) | 2010-05-18 | 2010-05-18 | Permanent-magnetic vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201845697U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102751132A (en) * | 2012-07-04 | 2012-10-24 | 江苏森源电气股份有限公司 | Operating mechanism for vacuum circuit breaker |
| CN109559912A (en) * | 2018-12-04 | 2019-04-02 | 深圳供电局有限公司 | The transmission mechanism of permanent-magnet breaker |
-
2010
- 2010-05-18 CN CN2010201971382U patent/CN201845697U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102751132A (en) * | 2012-07-04 | 2012-10-24 | 江苏森源电气股份有限公司 | Operating mechanism for vacuum circuit breaker |
| CN109559912A (en) * | 2018-12-04 | 2019-04-02 | 深圳供电局有限公司 | The transmission mechanism of permanent-magnet breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110525 Termination date: 20150518 |
|
| EXPY | Termination of patent right or utility model |