CN204215922U - A kind of interlock for circuit breaker and isolating switch - Google Patents
A kind of interlock for circuit breaker and isolating switch Download PDFInfo
- Publication number
- CN204215922U CN204215922U CN201420574465.3U CN201420574465U CN204215922U CN 204215922 U CN204215922 U CN 204215922U CN 201420574465 U CN201420574465 U CN 201420574465U CN 204215922 U CN204215922 U CN 204215922U
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- circuit breaker
- rotating shaft
- junction panel
- isolating switch
- connecting lever
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Abstract
The utility model discloses a kind of interlock for circuit breaker and isolating switch, comprise chain rotating shaft, connecting lever, junction panel, rocking arm, sensitive switch and semiaxis; Described chain rotating shaft two ends are provided with fixed support, and described chain rotating shaft is through fixed support; Described connecting lever one end is connected with chain rotating shaft, the other end is connected with junction panel, described junction panel is provided with push pedal and baffle plate, sensitive switch is provided with on the upside of described push pedal, be provided with hand push rod backing pin on the upside of described baffle plate, described junction panel lower end is provided with rocking arm, and described one end is connected with semiaxis, the other end is provided with rocker-arm roller pin, is provided with the rocker-arm roller pin gathering sill matched with rocker-arm roller pin in described connecting plate lower end.The utility model is reasonable in design, structure is simple, maintenance time, circuit breaker is with under the chain effect of isolating switch, all cannot carry out closing operation in electrical control or Non-follow control, and then ensure that the dual chain of circuit breaker, thus improve the fail safe of detection person when overhauling, the reduction incidence of security incident and the injury to human body, long service life.
Description
Technical field
The utility model relates to preventing misoperation of high-tension switch cabinet technical field, is related specifically to a kind of interlock for circuit breaker and isolating switch.
Background technology
Isolating switch has obvious cut-off point, isolation features can be realized, mainly as equipment repair and maintenance, and circuit breaker is without obvious cut-off point, can not whether disconnect in intuitive judgment loop, be not suitable as overhaul of the equipments therefore, in order to loop can be made, there is obvious cut-off point, facilitate repair and maintenance, a mechanical interlocking device must will be established between isolating switch and circuit breaker in high-voltage complete-set switch cabinet, to meet the separating brake and combined floodgate that control circuit breaker while isolating switch opens or closes, thus avoid system when overhauling, the mistake of killer switch closes the loss of injury and the property caused monitoring personnel, at present, there is some deficiency above in the interlock used, the structure of interlock is comparatively complicated, security performance is low, and then can not meet the requirement of monitoring personnel to security performance.
But for the deficiencies in the prior art, developer be necessary development a kind of reasonable in design, structure simple, maintenance time, circuit breaker is under the control of isolating switch, all cannot carry out closing operation in electrical control or Non-follow control, and then ensure that the dual chain of circuit breaker, thus improve the fail safe of detection person when overhauling, reducing the incidence of security incident and the injury to human body, the interlock for circuit breaker and isolating switch of long service life.
Utility model content
For solving prior art Problems existing, the utility model object provide a kind of reasonable in design, structure simple, maintenance time, circuit breaker is under the control of isolating switch, all cannot carry out closing operation in electrical control or Non-follow control, and then ensure that the dual chain of circuit breaker, thus improve the fail safe of detection person when overhauling, reducing the incidence of security incident and the injury to human body, the interlock for circuit breaker and isolating switch of long service life.
For solving above technical problem, the utility model comes to be realize by the following technical solutions: a kind of interlock for circuit breaker and isolating switch, comprises chain rotating shaft, connecting lever, junction panel, rocking arm, sensitive switch and semiaxis;
Described chain rotating shaft two ends are provided with fixed support, and described chain rotating shaft is through fixed support, and one end is arranged on existing isolating switch, and the other end is connected with connecting lever, and described fixed support is fixed on outside upper surface;
Described connecting lever one end is connected with chain rotating shaft, the other end is connected with junction panel, described junction panel is provided with push pedal and baffle plate, sensitive switch is provided with on the upside of described push pedal, be provided with hand push rod backing pin on the upside of described baffle plate, described junction panel lower end is provided with rocking arm, and described one end is connected with semiaxis, the other end is provided with rocker-arm roller pin, is provided with the rocker-arm roller pin gathering sill matched with rocker-arm roller pin in described connecting plate lower end.
In a preferred embodiment of the present utility model, described fixed support is fixed by bolts to existing outside upper surface.
In a preferred embodiment of the present utility model, described connecting lever and junction panel junction are provided with pin, and connecting lever and connecting plate link together by described pin.
In a preferred embodiment of the present utility model, described junction panel is provided with gathering sill, and existing side plate is provided with the lead matched with gathering sill.
In a preferred embodiment of the present utility model, described sensitive switch is fixed on existing side plate.
The beneficial effects of the utility model are, compared with prior art, the utility model comprises chain rotating shaft, connecting lever, junction panel, rocking arm, sensitive switch and semiaxis, chain rotating shaft two ends are provided with fixed support, chain rotating shaft is through fixed support, one end is arranged on existing isolating switch, the other end is connected with connecting lever, fixed support is fixed on outside upper surface, and then when isolating switch closes, chain rotating shaft is rotated counterclockwise, thus drive the connecting lever being fixed on the chain rotating shaft other end to rotate counterclockwise, further band is employed the connecting plate that pin is connected on connecting lever and is moved upward, connecting plate moves upward thus is with the rocking arm being automatically connected in connecting plate lower end to move upward, but the rocking arm other end is connected on semiaxis, last rocking arm drives semiaxis, thus make breaker open operation.But in the process of whole chain motion, the push pedal that junction panel is arranged promotes the sensitive switch on the upside of it while moving upward, make sensitive switch normally closed point become normal battle, thus disconnect electric loop, ensure circuit breaker electric pneumatic control aspect cannot close a floodgate.Another, when junction panel moves upward, the baffle plate driving its top to arrange moves upward, thus blocks hand push rod backing pin, ensures that combined floodgate hand push rod 5 cannot carry out feed motion, thus ensures that circuit breaker manually also cannot close a floodgate.The chain function of this circuit breaker, ensure that the dual chain of breaker mechanical and electric aspect, thus improve the fail safe of detection person when overhauling, reducing the incidence of security incident and the injury to human body.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is that the A of Fig. 1 is to cutaway view.
Numeral and the corresponding component title represented by letter in figure:
1. gathering sill 2. lead 3. push pedal 4. housing 5. side plate 6. fixed support 7. chain rotating shaft 8. connecting lever 9. pin 10. junction panel 11. sensitive switch 12. hand push rod backing pin 13. baffle plate 14. rocking arm 15. rocker-arm roller pin 16. rocker-arm roller pin gathering sill 17. semiaxis 18. hand push rod
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
Shown in seeing figures.1.and.2, the utility model is a kind of interlock for circuit breaker and isolating switch, comprises chain rotating shaft 7, connecting lever 8, junction panel 10, rocking arm 14, sensitive switch 11 and semiaxis 17;
In the present embodiment, chain rotating shaft 7 two ends are provided with fixed support 6, and fixed support 6 is fixed by bolts to housing 4 external upper, and chain rotating shaft 7 is through fixed support 6, but chain rotating shaft 7 can at fixed support 6 internal rotating.
One end of chain rotating shaft 7 is arranged on existing isolating switch, and the other end is connected with connecting lever 8, but connecting lever 8 and chain rotating shaft 7 are for being fixedly connected with, and then for improving the stability between connecting lever 8 and chain rotating shaft 7.
In the present embodiment, connecting lever 8 one end is connected with chain rotating shaft 7, the other end is connected with junction panel 10, but be provided with pin 9 at connecting lever 8 and junction panel 10 junction, with pin 9, connecting lever 8 and connecting plate 10 are linked together, pin 9 is fixedly connected on connecting lever 8, can relatively rotate between pin 9 and connecting plate 10.
Junction panel 10 is provided with push pedal 3 and baffle plate 13, but connecting plate 10, push pedal 3 and baffle plate 13 are formed in one, thus improve the overall mechanical strength of connecting plate 10.
Sensitive switch 11 is provided with on the upside of push pedal 3, sensitive switch 11 is fixed by bolts on existing side plate 5, hand push rod backing pin 12 is provided with on the upside of baffle plate 13, junction panel 10 lower end is provided with rocking arm 14; rocking arm 14 one end is connected with semiaxis 17; other end is provided with rocker-arm roller pin 15, is provided with the rocker-arm roller pin gathering sill 16 matched with rocker-arm roller pin 15 in connecting plate 10 lower end.
Junction panel 10 is provided with gathering sill 1 in the present embodiment, existing side plate 5 is provided with the lead 2 matched with gathering sill 1, drive connecting plate 10 to move when connecting lever 8 turns clockwise simultaneously, and connecting plate 10 moves up under the cooperation of gathering sill 1 and lead 2, and then improve the stability that connecting plate 10 moves up.
The utility model comprises chain rotating shaft in sum, connecting lever, junction panel, rocking arm, sensitive switch and semiaxis, chain rotating shaft two ends are provided with fixed support, chain rotating shaft is through fixed support, one end is arranged on existing isolating switch, the other end is connected with connecting lever, fixed support is fixed on outside upper surface, and then when isolating switch closes, chain rotating shaft is rotated counterclockwise, thus drive the connecting lever being fixed on the chain rotating shaft other end to rotate counterclockwise, further band is employed the connecting plate that pin is connected on connecting lever and is moved upward, connecting plate moves upward thus is with the rocking arm being automatically connected in connecting plate lower end to move upward, but the rocking arm other end is connected on semiaxis, last rocking arm drives semiaxis, thus make breaker open operation.But in the process of whole chain motion, the push pedal that junction panel is arranged promotes the sensitive switch on the upside of it while moving upward, make sensitive switch normally closed point become normal battle, thus disconnect electric loop, ensure circuit breaker electric pneumatic control aspect cannot close a floodgate.Another, when junction panel moves upward, the baffle plate driving its top to arrange moves upward, thus blocks hand push rod backing pin, ensures that combined floodgate hand push rod 5 cannot carry out feed motion, thus ensures that circuit breaker manually also cannot close a floodgate.The chain function of this circuit breaker, ensure that the dual chain of breaker mechanical and electric aspect, thus improve the fail safe of detection person when overhauling, reducing the incidence of security incident and the injury to human body.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1., for an interlock for circuit breaker and isolating switch, it is characterized in that, comprise chain rotating shaft, connecting lever, junction panel, rocking arm, sensitive switch and semiaxis;
Described chain rotating shaft two ends are provided with fixed support, and described chain rotating shaft is through fixed support, and one end is arranged on existing isolating switch, and the other end is connected with connecting lever, and described fixed support is fixed on outside upper surface;
Described connecting lever one end is connected with chain rotating shaft, the other end is connected with junction panel, described junction panel is provided with push pedal and baffle plate, sensitive switch is provided with on the upside of described push pedal, be provided with hand push rod backing pin on the upside of described baffle plate, described junction panel lower end is provided with rocking arm, and described one end is connected with semiaxis, the other end is provided with rocker-arm roller pin, is provided with the rocker-arm roller pin gathering sill matched with rocker-arm roller pin in described connecting plate lower end.
2. a kind of interlock for circuit breaker and isolating switch according to claim 1, is characterized in that: described fixed support is fixed by bolts to existing outside upper surface.
3. a kind of interlock for circuit breaker and isolating switch according to claim 1, is characterized in that: described connecting lever and junction panel junction are provided with pin, and connecting lever and connecting plate link together by described pin.
4. a kind of interlock for circuit breaker and isolating switch according to claim 1, is characterized in that: described junction panel is provided with gathering sill, existing side plate is provided with the lead matched with gathering sill.
5. a kind of interlock for circuit breaker and isolating switch according to claim 1, is characterized in that: described sensitive switch is fixed on existing side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420574465.3U CN204215922U (en) | 2014-09-30 | 2014-09-30 | A kind of interlock for circuit breaker and isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420574465.3U CN204215922U (en) | 2014-09-30 | 2014-09-30 | A kind of interlock for circuit breaker and isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204215922U true CN204215922U (en) | 2015-03-18 |
Family
ID=52984571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420574465.3U Active CN204215922U (en) | 2014-09-30 | 2014-09-30 | A kind of interlock for circuit breaker and isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204215922U (en) |
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2014
- 2014-09-30 CN CN201420574465.3U patent/CN204215922U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 123 Lane 2, Huancheng East Road, Nanqiao, Fengxian District, Shanghai, 2010 Patentee after: Shanghai ABB Switch Co.,Ltd. Address before: 201400 No. 111 Fengpu Avenue, Fengxian Industrial Zone, Shanghai Patentee before: SHANGHAI GE BREAKERS CO.,LTD. |
|
| CP03 | Change of name, title or address | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 123 Lane 2, Huancheng East Road, Nanqiao, Fengxian District, Shanghai, 2010 Patentee after: Jiyi switch (Shanghai) Co.,Ltd. Address before: No. 123 Lane 2, Huancheng East Road, Nanqiao, Fengxian District, Shanghai, 2010 Patentee before: Gaiqi switch (Shanghai) Co.,Ltd. Address after: No. 123 Lane 2, Huancheng East Road, Nanqiao, Fengxian District, Shanghai, 2010 Patentee after: Gaiqi switch (Shanghai) Co.,Ltd. Address before: No. 123 Lane 2, Huancheng East Road, Nanqiao, Fengxian District, Shanghai, 2010 Patentee before: Shanghai ABB Switch Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |