CN203386650U - Simple hydraulic vacuum circuit breaker with damping function - Google Patents
Simple hydraulic vacuum circuit breaker with damping function Download PDFInfo
- Publication number
- CN203386650U CN203386650U CN201320423151.9U CN201320423151U CN203386650U CN 203386650 U CN203386650 U CN 203386650U CN 201320423151 U CN201320423151 U CN 201320423151U CN 203386650 U CN203386650 U CN 203386650U
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- hydraulic
- vacuum circuit
- shock
- hydraulic cylinder
- pole
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Abstract
The utility model discloses a simple hydraulic vacuum circuit breaker with a damping function. The vacuum circuit breaker comprises multiple damping springs, multiple damping support plates, a pole, a hydraulic cylinder, a solenoid valve, a hydraulic pump, a fuel tank and a controller, wherein the multiple damping support plates are arranged under a moving contact and fixedly connected with a resin wall, the damping springs are respectively fixed on the damping support plates, a rotating shaft is arranged in the middle of the pole, a moving wire outlet rod is rotatably connected with one end of the pole, the other end of the pole is rotatably connected with a hydraulic rod, the hydraulic cylinder is vertically fixed in a housing, and a signal output end of the controller is respectively connected with a signal input end of the solenoid valve and a signal input end of the hydraulic pump. According to the simple hydraulic vacuum circuit breaker with the damping function, the hydraulic cylinder is employed to replace a complex mechanical structure, and the controller controls telescoping of the hydraulic cylinder, thereby controlling switching on/off states of the vacuum circuit breaker; and when the contact is disconnected, the bottom of the moving contact makes contact with the damping springs, thereby avoiding damage caused by collision of the moving contact with the resin wall.
Description
Technical field
The utility model relates to a kind of vacuum circuit-breaker, relates in particular to a kind of Simple hydraulic vacuum circuit-breaker with shock-absorbing function.
Background technology
Vacuum circuit-breaker is widely used in the numerous areas in electric power system, and the trouble free service of vacuum circuit-breaker has important effect to productive life.What nowadays most of vacuum circuit-breakers all adopted is that complicated machine driving is controlled the disconnection of the indoor contact of vacuum extinction with closed, if breaking down, transmission mechanism can make vacuum circuit-breaker work, simultaneously, most of movable contact of vacuum circuit breakers bottom is all directly with the resin wall, to contact, there is no damping device, make moving contact easily damaged, affect the normal operation of vacuum circuit-breaker.
The utility model content
The purpose of this utility model provides a kind of Simple hydraulic vacuum circuit-breaker with shock-absorbing function with regard to being in order to address the above problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of Simple hydraulic vacuum circuit-breaker with shock-absorbing function, comprise shell, fixed contact, moving contact, vacuum interrupter, resin wall and moving outlet rod, described vacuum interrupter is arranged in described resin wall, it is indoor that described moving contact and described fixed contact are arranged on described vacuum extinction, described fixed contact is fixed on the vacuum circuit-breaker top, described moving contact bottom is connected with described moving outlet rod, described vacuum circuit-breaker also comprises a plurality of damping springs, a plurality of shock-absorbing support plates, pole, hydraulic cylinder, electromagnetically operated valve, hydraulic pump, fuel tank and controller, a plurality of described shock-absorbing support plates are arranged on described moving contact bottom and are fixedly connected with described resin wall, described damping spring is fixed on described shock-absorbing support plate, described pole middle part is provided with rotating shaft, one end of described moving outlet rod and described pole is rotatably connected, the other end of described pole and the hydraulic stem of described hydraulic cylinder are rotatably connected, described hydraulic cylinder vertically is fixed on described enclosure, the oil-out of described fuel tank is connected with the oil-in of described hydraulic pump, the oil-out of described hydraulic pump is connected with the T mouth of described electromagnetically operated valve, the B mouth of described electromagnetically operated valve is connected with the rodless cavity oil-in of described hydraulic cylinder, the rod chamber oil-in of described hydraulic cylinder is connected with the A mouth of described electromagnetically operated valve, the P mouth of described electromagnetically operated valve is connected with the oil-in of described fuel tank, the control signal output of described controller is connected with the control signal input of described electromagnetically operated valve and the control signal input of described hydraulic pump respectively.
Particularly, described shock-absorbing support plate is 4.
Particularly, described electromagnetically operated valve is the 3-position 4-way solenoid directional control valve.
The beneficial effects of the utility model are:
The utlity model has the Simple hydraulic vacuum circuit-breaker of shock-absorbing function, replace complicated mechanical structure and adopt hydraulic cylinder, control the flexible of hydraulic cylinder by controller, thereby control opening a sluice gate and closing lock of vacuum circuit-breaker, when contact disconnects, moving contact bottom contact damping spring, can avoid moving contact and resin wall bump and cause damage.
The accompanying drawing explanation
Fig. 1 is the structural representation that the utlity model has the Simple hydraulic vacuum circuit-breaker of shock-absorbing function.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, the utlity model has the Simple hydraulic vacuum circuit-breaker of shock-absorbing function, comprise shell 15, fixed contact 1, moving contact 3, vacuum interrupter 14, resin wall 2 and moving outlet rod 7, vacuum interrupter 14 is arranged in resin wall 2, moving contact 3 and fixed contact 1 are arranged in vacuum interrupter 14, fixed contact 1 is fixed on the vacuum circuit-breaker top, moving contact 3 bottoms are connected with moving outlet rod 7, vacuum circuit-breaker also comprises a plurality of damping springs 4, a plurality of shock-absorbing support plates 5, pole 13, hydraulic cylinder 9, electromagnetically operated valve 10, hydraulic pump 11, fuel tank 12 and controller 8, a plurality of shock-absorbing support plates 5 are arranged on moving contact 3 bottoms and are fixedly connected with resin wall 2, damping spring 4 is fixed on shock-absorbing support plate 5, pole 13 middle parts are provided with rotating shaft, moving outlet rod 7 is rotatably connected with an end of pole 13, the hydraulic stem of the other end of pole 13 and hydraulic cylinder 9 is rotatably connected, hydraulic cylinder 9 vertically is fixed on shell 15 inside, the oil-out of fuel tank 12 is connected with the oil-in of hydraulic pump 11, the oil-out of hydraulic pump 11 is connected with the T mouth of electromagnetically operated valve 10, the B mouth of electromagnetically operated valve 10 is connected with the rodless cavity oil-in of hydraulic cylinder 9, the rod chamber oil-in of hydraulic cylinder 9 is connected with the A mouth of electromagnetically operated valve 10, the P mouth of electromagnetically operated valve 10 is connected with the oil-in of fuel tank 12, the control signal output of controller 8 is connected with the control signal input of electromagnetically operated valve 10 and the control signal input of hydraulic pump 11 respectively.
Shock-absorbing support plate 5 is 4.Electromagnetically operated valve 10 is the 3-position 4-way solenoid directional control valve.
The operation principle of Simple hydraulic vacuum circuit-breaker that the utlity model has shock-absorbing function is as follows:
During this vacuum circuit-breaker work, controller 8 is controlled the flexible of hydraulic cylinder 9 by controlling hydraulic pump 11 and electromagnetically operated valve 10, then controls the upper and lower of moving contact 3 by the moving outlet rod 7 that connects pole 13, thereby controls opening a sluice gate and closing lock of vacuum circuit-breaker.When moving contact 3 moves downward, the damping spring 4 on shock-absorbing support platform 5 can effectively prevent that moving contact 3 and resin wall 2 from bumping.
Claims (3)
1. the Simple hydraulic vacuum circuit-breaker with shock-absorbing function, comprise shell, fixed contact, moving contact, vacuum interrupter, resin wall and moving outlet rod, described vacuum interrupter is arranged in described resin wall, it is indoor that described moving contact and described fixed contact are arranged on described vacuum extinction, described fixed contact is fixed on the vacuum circuit-breaker top, described moving contact bottom is connected with described moving outlet rod, it is characterized in that: also comprise a plurality of damping springs, a plurality of shock-absorbing support plates, pole, hydraulic cylinder, electromagnetically operated valve, hydraulic pump, fuel tank and controller, a plurality of described shock-absorbing support plates are arranged on described moving contact bottom and are fixedly connected with described resin wall, described damping spring is fixed on described shock-absorbing support plate, described pole middle part is provided with rotating shaft, one end of described moving outlet rod and described pole is rotatably connected, the other end of described pole and the hydraulic stem of described hydraulic cylinder are rotatably connected, described hydraulic cylinder vertically is fixed on described enclosure, the oil-out of described fuel tank is connected with the oil-in of described hydraulic pump, the oil-out of described hydraulic pump is connected with the T mouth of described electromagnetically operated valve, the B mouth of described electromagnetically operated valve is connected with the rodless cavity oil-in of described hydraulic cylinder, the rod chamber oil-in of described hydraulic cylinder is connected with the A mouth of described electromagnetically operated valve, the P mouth of described electromagnetically operated valve is connected with the oil-in of described fuel tank, the control signal output of described controller is connected with the control signal input of described electromagnetically operated valve and the control signal input of described hydraulic pump respectively.
2. the Simple hydraulic vacuum circuit-breaker with shock-absorbing function according to claim 1, it is characterized in that: described shock-absorbing support plate is 4.
3. the Simple hydraulic vacuum circuit-breaker with shock-absorbing function according to claim 1, it is characterized in that: described electromagnetically operated valve is the 3-position 4-way solenoid directional control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320423151.9U CN203386650U (en) | 2013-07-16 | 2013-07-16 | Simple hydraulic vacuum circuit breaker with damping function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320423151.9U CN203386650U (en) | 2013-07-16 | 2013-07-16 | Simple hydraulic vacuum circuit breaker with damping function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203386650U true CN203386650U (en) | 2014-01-08 |
Family
ID=49875108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320423151.9U Expired - Fee Related CN203386650U (en) | 2013-07-16 | 2013-07-16 | Simple hydraulic vacuum circuit breaker with damping function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203386650U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109188338A (en) * | 2018-09-05 | 2019-01-11 | 国网山东省电力公司潍坊供电公司 | A kind of electric energy collect and acquisition failure protecting device |
-
2013
- 2013-07-16 CN CN201320423151.9U patent/CN203386650U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109188338A (en) * | 2018-09-05 | 2019-01-11 | 国网山东省电力公司潍坊供电公司 | A kind of electric energy collect and acquisition failure protecting device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20170716 |