CN203481076U - Novel switch device breaking and closing device - Google Patents
Novel switch device breaking and closing device Download PDFInfo
- Publication number
- CN203481076U CN203481076U CN201320246673.6U CN201320246673U CN203481076U CN 203481076 U CN203481076 U CN 203481076U CN 201320246673 U CN201320246673 U CN 201320246673U CN 203481076 U CN203481076 U CN 203481076U
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- CN
- China
- Prior art keywords
- sliding sleeve
- assembly
- guide rod
- vacuum interrupter
- isolation knife
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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 relates to a novel switch device breaking and closing device. A vacuum interrupter is arranged on a circuit breaker main body, a fixed conductive rod is arranged on the lower end of the vacuum interrupter, a movable conductive rod is arranged on the upper end of the vacuum interrupter, a movable end copper piece is arranged on the upper end of the movable conductive rod, a support spring is arranged between the movable end copper piece and the vacuum interrupter, a disengagement assembly is arranged above the movable end cooper piece, a guide piece is arranged above the circuit breaker main body, a guide hollow cavity is arranged in the guide piece, and an isolation blade guide rod assembly is arranged in the guide hollow cavity. When the isolation blade guide assembly moves downwards along the guide hollow cavity, the isolation blade guide assembly can drive the disengagement assembly to make the movable conductive rod electrically contact with the fixed conductive rod; when the isolation blade guide rod assembly moves upwards, the movable guide rod is separated from the fixed guide rod under the action of the support spring. The breaking distance is accurately controlled in the closing, breaking and isolation synchronous actions, and the reliability in the closing locking and closing tripping is high.
Description
Technical field
The utility model relates to that a kind of switchgear divides, the improvement of closing device, refer in particular to a kind of solve in switchgear, to realize in combined floodgate, separating brake, isolation synchronization action can not accurately control separating brake distance, the new switching equipment of the reliability that combined floodgate padlock and separating brake are threaded off divides, closing device.
Background technology
Switchgear be in electric power system to high voltage power distributing cabinet, generator, transformer, power circuit, circuit breaker, low-tension switch cabinet, distribution board, switch-box, the general designation of the controller switching equipments such as control cabinet.
Aspect the reliability that the switchgear of prior art is threaded off at control separating brake distance, combined floodgate padlock and separating brake, exist some shortcomings to be:
1. prior art is given the opening velocity of circuit breaker tripping spring processing completely, once tripping spring is because compressing and cause the decay of power or tripping spring that moulding distortion has occurred for a long time, thereby cannot provide the separating brake power setting that opening velocity is reduced, cannot meet the required speed of cut-out electric current and cause circuit breaker blast, consequence is very serious.
2. in order to guarantee the opening velocity of circuit breaker, must increase the final power value of tripping spring, will make the wire diameter of spring become large, highly increase, this power when bringing us to close a floodgate can be very large, the difficulty of increase operating mechanism, thereby the potential safety hazard of bringing.
3. in separating brake process, the startup spot speed owing to existing the reaction force of frictional force to make separating brake is unhappy.
Utility model content
The utility model object is in order to overcome the deficiencies in the prior art, to provide a kind of solution in switchgear, to realize that the new switching equipment that can not accurately control the reliability that separating brake distance, combined floodgate padlock and separating brake thread off in combined floodgate, separating brake, isolation synchronization action divides, closing device.
For achieving the above object, the technical solution adopted in the utility model is: a kind of new switching equipment divides, closing device, comprises breaker body, isolation knife guide rod assembly; In described breaker body, be provided with vacuum interrupter; The lower end of described vacuum interrupter is provided with determines conducting rod; The upper end of described vacuum interrupter is provided with moving conductive rod; The upper end of described moving conductive rod is provided with moved end copper part; Between described moved end copper part and vacuum interrupter, be provided with support spring; The top of described moved end copper part is provided with disengaging assembly; The top of described breaker body is provided with guide; In described guide, be provided with guiding cavity; Described isolation knife guide rod assembly is arranged in guiding cavity; When isolation knife guide rod assembly moves downward along guiding cavity, described isolation knife guide rod assembly can promote to depart from assembly and make moving conductive rod and determine conducting rod to electrically contact; When isolation knife guide rod assembly moves upward, under the effect of support spring, make moving conductive rod and to determine conducting rod separated.
Preferably, described disengaging assembly, comprises and departs from module body, inner sliding sleeve, outer sliding sleeve, groove; The lower surface of described disengaging module body is fixed by screw and moved end copper part and moving conductive rod; Described inner sliding sleeve is arranged on the inner side that departs from module body; Described outer sliding sleeve is arranged on the outside that departs from module body; Between the bottom of described inner sliding sleeve and disengaging module body, be provided with inner sliding sleeve support spring; In the annular wall of described disengaging module body, be provided with through hole; In described through hole, be provided with ball; In described breaker body, hold on the inwall of the cavity that departs from assembly and be provided with back-up ring; When outer sliding sleeve is blocked by back-up ring, ball just snaps in the groove on outer sliding sleeve.
Preferably, the inner side of described disengaging module body is provided with the locking device of inner sliding sleeve, the maximum height that can reach to limit inner sliding sleeve.
Preferably, described breaker body and guide arrange on casing respectively.
Preferably, the top of described isolation knife guide rod assembly is provided with handle; Described handle can make isolation knife guide rod assembly move up and down along guiding cavity.
Due to the utilization of technique scheme, the utility model compared with prior art has following advantages:
The new switching equipment of the utility model scheme divides, closing device, can drive the moving conductive rod on vacuum interrupter separated with the speed of 1.5m/s; Can accurately control the range ability of the moving conductive rod on vacuum interrupter; When can accurately control the range ability of the moving conductive rod on vacuum interrupter, can also thread off; Make to drive isolation knife guide rod assembly to speed away simultaneously and arrive the effect of isolation.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further:
Accompanying drawing 1 divides for new switching equipment described in the utility model, the schematic diagram during switch-on latching state of closing device;
Accompanying drawing 2 is the enlarged drawing of A portion in accompanying drawing 1;
Accompanying drawing 3 divides for new switching equipment described in the utility model, the schematic diagram during separating brake trip status of closing device;
Accompanying drawing 4 is the enlarged drawing of B portion in accompanying drawing 3;
Accompanying drawing 5 divides for new switching equipment described in the utility model, the schematic diagram during separating brake isolation of closing device;
Accompanying drawing 6 is the enlarged drawing of C portion in accompanying drawing 5;
Wherein: 1, isolation knife guide rod assembly; 2, depart from assembly; 3, moved end copper part; 4, support spring; 5, vacuum interrupter; 6, moving conductive rod; 7, determine conducting rod; 8, breaker body; 9, guide; 10, casing; 11, guiding cavity; 12, handle; 13, depart from module body; 14, inner sliding sleeve; 15, outer sliding sleeve; 16, inner sliding sleeve support spring; 17, ball; 18, back-up ring; 19, groove.
embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Accompanying drawing 1-6 is that a kind of new switching equipment described in the utility model divides, closing device, comprises breaker body 8, isolation knife guide rod assembly 1; In described breaker body 8, be provided with vacuum interrupter 5; The lower end of described vacuum interrupter 5 is provided with determines conducting rod 7; The upper end of described vacuum interrupter 5 is provided with moving conductive rod 6; The upper end of described moving conductive rod 6 is provided with moved end copper part 3; Between described moved end copper part 3 and vacuum interrupter 5, be provided with support spring 4; The top of described moved end copper part 3 is provided with and departs from assembly 2; The top of described breaker body 8 is provided with guide 9; In described guide 9, be provided with guiding cavity 11; Described isolation knife guide rod assembly 1 is arranged in guiding cavity 11; When isolation knife guide rod assembly 1 moves downward along guiding cavity 11, described isolation knife guide rod assembly 1 can promote to depart from assembly 2 and make moving conductive rod 6 and determine conducting rod 7 to electrically contact; When isolation knife guide rod assembly 1 moves upward, under the effect of support spring 4, make moving conductive rod 6 and to determine conducting rod 7 separated; Described disengaging assembly 2, comprises and departs from module body 13, inner sliding sleeve 14, outer sliding sleeve 15, groove 19; The lower surface of described disengaging module body 13 is fixing with moved end copper part 3 and moving conductive rod 6 by screw (not marking); Described inner sliding sleeve 14 is arranged on the inner side that departs from module body 13; Described outer sliding sleeve 15 is arranged on the outside that departs from module body 13; Between the bottom of described inner sliding sleeve 14 and disengaging module body 13, be provided with inner sliding sleeve support spring 16; In the annular wall of described disengaging module body 13, be provided with through hole (not marking); In described through hole, be provided with ball 17; In described breaker body 8, hold on the inwall of the cavity that departs from assembly 2 and be provided with back-up ring 18; When outer sliding sleeve 15 is blocked by back-up ring 18, ball 17 just snaps in the groove 19 on outer sliding sleeve 15; The inner side of described disengaging module body 13 is provided with the locking device (not marking) of inner sliding sleeve 14, to limit 14 maximum heights that can reach of inner sliding sleeve; Described breaker body 8 arranges respectively on casing 10 with guide 9; The top of described isolation knife guide rod assembly 1 is provided with handle 12; Described handle 12 can make isolation knife guide rod assembly 1 move up and down along guiding cavity 11.
New switching equipment described in this programme divides, the course of work of closing device: close a floodgate (1): turning handle 12 moves downward isolation knife guide rod assembly 1, when isolation knife guide rod assembly 1 inserts inner sliding sleeve 14, continue to make isolation knife guide rod assembly 1 to move downward, isolation knife guide rod assembly 1 compressing inner sliding sleeve 14, inner sliding sleeve support spring 16 is subject to force compresses, making to depart from assembly 2 drives moved end copper part 3 and moving conductive rod 6 to move downward, until moving conductive rod 6 with determine conducting rod 7 and electrically contact, as shown in accompanying drawing 1-2; (2) separating brake: on the basis of closing a floodgate, counter-rotation handle 12, isolation knife guide rod assembly 1 is moved upward, under the effect of support spring 4, moving conductive rod 6, disengaging assembly 2 can be separated with the speed of 1.5m/s along with isolation knife guide rod assembly 1, when outer sliding sleeve 15 is blocked by back-up ring 18, ball 17 just snaps in the groove 19 on outer sliding sleeve 15, makes outer sliding sleeve 15 in aggregates with disengaging module body 13 shapes; Now inner sliding sleeve 14 continues to move above disengaging module body 13 under the effect of inner sliding sleeve support spring 16, until the position of the locking device that the inner side of described disengaging module body 13 arranges, as shown in accompanying drawing 3-4; (3) separating brake isolation: on the basis of separating brake, continue rotary handle 2 isolation knife guide rod assembly 1 is moved upward, isolation knife guide rod assembly 1 will be deviate from from inner sliding sleeve 14, continue rotary handle, make 1 separating brake isolated location of isolation knife guide rod assembly, as shown in accompanying drawing 5-6.
Certainly depart from module body 13 and also can change thin-walled mechanism into, with spring, replace ball to tie tight, also can reach the object of dropout.
Due to the utilization of technique scheme, the utility model compared with prior art has following advantages:
The new switching equipment of the utility model scheme divides, closing device, can drive the moving conductive rod on vacuum interrupter separated with the speed of 1.5m/s; Can accurately control the range ability of the moving conductive rod on vacuum interrupter; When can accurately control the range ability of the moving conductive rod on vacuum interrupter, can also thread off; Make to drive isolation knife guide rod assembly to speed away simultaneously and arrive the effect of isolation.
Below be only concrete exemplary applications of the present utility model, protection range of the present utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, within all dropping on the utility model rights protection scope.
Claims (5)
- New switching equipment divide, a closing device, comprise breaker body, isolation knife guide rod assembly; In described breaker body, be provided with vacuum interrupter; The lower end of described vacuum interrupter is provided with determines conducting rod; The upper end of described vacuum interrupter is provided with moving conductive rod; The upper end of described moving conductive rod is provided with moved end copper part; Between described moved end copper part and vacuum interrupter, be provided with support spring; It is characterized in that: the top of described moved end copper part is provided with disengaging assembly; The top of described breaker body is provided with guide; In described guide, be provided with guiding cavity; Described isolation knife guide rod assembly is arranged in guiding cavity; When isolation knife guide rod assembly moves downward along guiding cavity, described isolation knife guide rod assembly can promote to depart from assembly and make moving conductive rod and determine conducting rod to electrically contact; When isolation knife guide rod assembly moves upward, under the effect of support spring, make moving conductive rod and to determine conducting rod separated.
- New switching equipment according to claim 1 divide, closing device, it is characterized in that: described disengaging assembly, comprises and depart from module body, inner sliding sleeve, outer sliding sleeve, groove; The lower surface of described disengaging module body is fixed by screw and moved end copper part and moving conductive rod; Described inner sliding sleeve is arranged on the inner side that departs from module body; Described outer sliding sleeve is arranged on the outside that departs from module body; Between the bottom of described inner sliding sleeve and disengaging module body, be provided with inner sliding sleeve support spring; In the annular wall of described disengaging module body, be provided with through hole; In described through hole, be provided with ball; In described breaker body, hold on the inwall of the cavity that departs from assembly and be provided with back-up ring; When outer sliding sleeve is blocked by back-up ring, ball just snaps in the groove on outer sliding sleeve.
- New switching equipment according to claim 2 divide, closing device, it is characterized in that: the inner side of described disengaging module body is provided with the locking device of inner sliding sleeve, the maximum height that can reach to limit inner sliding sleeve.
- New switching equipment according to claim 1 divide, closing device, it is characterized in that: described breaker body and guide arrange on casing respectively.
- According to the new switching equipment described in claim 1 or 2 or 3 or 4 divide, closing device, it is characterized in that: the top of described isolation knife guide rod assembly is provided with handle; Described handle can make isolation knife guide rod assembly move up and down along guiding cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320246673.6U CN203481076U (en) | 2013-05-09 | 2013-05-09 | Novel switch device breaking and closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320246673.6U CN203481076U (en) | 2013-05-09 | 2013-05-09 | Novel switch device breaking and closing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203481076U true CN203481076U (en) | 2014-03-12 |
Family
ID=50229358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320246673.6U Expired - Fee Related CN203481076U (en) | 2013-05-09 | 2013-05-09 | Novel switch device breaking and closing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203481076U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103258663A (en) * | 2013-05-09 | 2013-08-21 | 苏州朗格电气有限公司 | Novel switchgear switch-off and switch-on device |
-
2013
- 2013-05-09 CN CN201320246673.6U patent/CN203481076U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103258663A (en) * | 2013-05-09 | 2013-08-21 | 苏州朗格电气有限公司 | Novel switchgear switch-off and switch-on device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20200509 |