CN2729891Y - Shutting releasing device for VSI circuit breaker in fixed switch cubicle - Google Patents
Shutting releasing device for VSI circuit breaker in fixed switch cubicle Download PDFInfo
- Publication number
- CN2729891Y CN2729891Y CN 200420093609 CN200420093609U CN2729891Y CN 2729891 Y CN2729891 Y CN 2729891Y CN 200420093609 CN200420093609 CN 200420093609 CN 200420093609 U CN200420093609 U CN 200420093609U CN 2729891 Y CN2729891 Y CN 2729891Y
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- shaft
- connector
- main shaft
- breaker
- Prior art date
- 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 - Lifetime
Links
Images
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to a shutting releasing device for VS1 circuit breaker in fixed switch cubicle, comprising a shutting handle, a main shaft driving device of breaker and a releasing shaft driving device of breaker. The main shaft driving device of breaker comprises a VS1 breaker main shaft, a main shaft crank arm head, a draw rod, a connector and a connecting plate which are connected in turn. The connecting plate is connected with the upper rotating shaft of the shutting handle. The VS1 breaker main shaft is provided with three insulated draw rod assemblies which are connected with three vacuum bubbles separately. The releasing shaft driving device of breaker comprises a VS1 breaker releasing shaft, a lead-out shaft of the releasing shaft, a releasing shaft crank arm head, a draw rod, a connector and a releasing plate which are connected in turn. The releasing plate is connected with the lower rotating shaft of the shutting handle. The VS1 breaker releasing shaft is connected with the VS1 breaker releasing half shaft. The utility model has a simple structure and it can accomplish the mechanical interlock of VS1 breaker, isolating switch, earthing switch and fore gate of the cabinet body. The operation which is carried out according to instructions to attendants is limited by structure, which can prevent the factitious faulty operation effectively.
Description
Technical field
The utility model relates to a kind of locking trip gear that is used for fixing VS1 circuit breaker in the formula switch cubicle.
Background technology
The locking trip gear that is used for fixing VS1 circuit breaker in the formula switch cubicle is restricted the divide-shut brake of circuit breaker, and to guarantee safety, the operation of this device comes transmission by the latch handle of rotating disk mechanism, and its operation must be carried out according to following safety regulations:
1. when latch handle was pulled out to the disjunction locked position of coupler, the cabinet foregate was in the state of closing the door, but earthed switch, isolating switch divide-shut brake in the cabinet, but circuit breaker can't close a floodgate;
2. when latch handle was pulled out to the service position, the cabinet foregate was in the state of closing the door, and the earthed switch in the cabinet is in gate-dividing state, and isolating switch is in "on" position, and circuit breaker can also close a floodgate in first energy storage;
3. when latch handle was pulled out to the maintenance position, the isolating switch in the cabinet was in gate-dividing state, and earthed switch is in "on" position, and the cabinet foregate can be opened, and circuit breaker can carry out the divide-shut brake test.
Though the locking trip gear of existing VS1 circuit breaker has above-mentioned functions, their some blocking functions realize that by electric its security performance is poor, misoperation occurs easily and cause security incident.
Summary of the invention
The purpose of this utility model provides a kind of locking trip gear that is used for fixing VS1 circuit breaker in the formula switch cubicle that prevents misoperation by mechanical structure.The technical scheme that adopts is as follows:
The locking trip gear that is used for fixing VS1 circuit breaker in the formula switch cubicle, comprise latch handle, latch handle has rotating shaft and lower rotary shaft, and be provided with the fork of fixedlying connected with latch handle, it is characterized in that: this locking trip gear also comprises circuit breaker spindle drive and circuit breaker tripping shaft transmission, the circuit breaker spindle drive comprises the VS1 circuit breaker main shaft that connects successively, main shaft connecting lever head, pull bar, connector and connecting plate, connecting plate is connected with last rotating shaft in the latch handle, and VS1 circuit breaker main shaft is provided with three insulated tension pole assemblies that are connected with three vacuum bubbles respectively; The circuit breaker tripping shaft transmission comprises that VS1 circuit breaker tripping axle, the trip shaft of connection are drawn axle, trip shaft connecting lever head, pull bar, connector and dropout plate successively, the dropout plate is connected with lower rotary shaft in the latch handle, and VS1 circuit breaker tripping axle is connected with the dropout semiaxis of VS1 circuit breaker.
More particularly, one end of VS1 circuit breaker main shaft is connected by screw with an end of main shaft connecting lever head, the other end of main shaft connecting lever head is connected by pin with an end of pull bar, the other end of pull bar is fixedlyed connected by nut with connector, connector is provided with an elliptical aperture, one pin passes this elliptical aperture and the circular hole of being located at connecting plate one end, connector and connecting plate are linked together, the other end of connecting plate is connected with last rotating shaft in the latch handle, wherein VS1 circuit breaker main shaft and main shaft connecting lever head are perpendicular, and pull bar is coaxial fixing with connector.VS1 circuit breaker tripping axle is drawn coaxial the fixedlying connected of axle with trip shaft, the other end that trip shaft is drawn axle is connected by Elastip pin with an end of trip shaft connecting lever head, the other end of trip shaft connecting lever head is connected by pin with an end of pull bar, the other end of pull bar is connected by screw with an end of connector, connector is provided with an elliptical aperture, one pin passes elliptical aperture and the circular hole of being located at dropout plate one end, connector and dropout plate are linked together, the dropout plate is connected with lower rotary shaft in the latch handle, it is perpendicular with trip shaft connecting lever head that wherein trip shaft is drawn axle, and pull bar is coaxial fixing with connector.
The utility model is simple in structure, machine driving by latch handle, circuit breaker spindle drive and circuit breaker tripping shaft transmission, realization VS1 circuit breaker and isolating switch, earthed switch, cabinet foregate are mechanically interlocked, must operate by operational procedure from ceiling structure system, prevent that effectively the people from being misoperation, the reliability height improves the security insurance of fixed switch cubicle greatly.
Description of drawings
Fig. 1 is the structural representation of the utility model one preferred embodiment;
Fig. 2 is the left view (wherein the part-structure of circuit breaker tripping shaft transmission does not draw) of Fig. 1;
Fig. 3 is the rearview (latch handle of mainly drawing part) of Fig. 1;
Fig. 4 is the perspective view of circuit breaker tripping shaft transmission shown in Figure 1;
Fig. 5 is the perspective view of latch handle shown in Figure 1.
Embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, this locking trip gear that is used for fixing VS1 circuit breaker in the formula switch cubicle comprises latch handle 22, circuit breaker spindle drive and circuit breaker tripping shaft transmission.
The circuit breaker spindle drive comprises VS1 circuit breaker main shaft 1, main shaft connecting lever head 2, pull bar 3, connector 4 and the connecting plate 5 that connects successively, connecting plate 5 is connected with last rotating shaft 23 in the latch handle 22, and VS1 circuit breaker main shaft 1 is provided with three insulated tension pole assemblies 6 that are connected with three vacuum bubbles respectively; One end of VS1 circuit breaker main shaft 1 is fixedlyed connected by screw 7 with an end of main shaft connecting lever head 2, the other end of main shaft connecting lever head 2 is connected by pin 8 with an end of pull bar 3, the other end of pull bar 3 is fixedlyed connected by nut 9 with connector 4, connector 4 is provided with an elliptical aperture 10, pin 11 passes elliptical aperture 10 and the circular hole of being located at connecting plate 5 one ends, connector 4 and connecting plate 5 are linked together, the other end of connecting plate 5 is connected with last rotating shaft 23 in the latch handle 22, wherein VS 1 circuit breaker main shaft 1 is perpendicular with main shaft connecting lever head 2, and pull bar 3 is coaxial fixing with connector 4.
In conjunction with Fig. 1 and Fig. 4, the circuit breaker tripping shaft transmission comprises that successively the VS1 circuit breaker tripping axle 12, the trip shaft that connect draw axle 13, trip shaft connecting lever head 14, pull bar 15, connector 16 and dropout plate 17, dropout plate 17 is connected with lower rotary shaft 24 in the latch handle 22, and VS1 circuit breaker tripping axle 12 is connected with the dropout semiaxis of circuit breaker; VS1 circuit breaker tripping axle 12 is drawn axle 13 coaxial fixedlying connected with trip shaft, the other end that trip shaft is drawn axle 13 is connected by Elastip pin with an end of trip shaft connecting lever head 14, the other end of trip shaft connecting lever head 14 is connected by pin 18 with an end of pull bar 15, the other end of pull bar 15 is connected by screw 19 with an end of connector 16, connector 16 is provided with an elliptical aperture 20, pin 21 passes elliptical aperture 20 and the circular hole of being located at dropout plate 17 1 ends, connector 16 and dropout plate 17 are linked together, dropout plate 17 is connected with lower rotary shaft 24 in the latch handle 22, it is perpendicular with trip shaft connecting lever head 14 that wherein trip shaft is drawn axle 13, and pull bar 15 is coaxial fixing with connector 16.
Behind the breaker closing, the angle of VS1 circuit breaker main shaft 1 changes, drive main shaft connecting lever head 2, pull bar 3, connector 4 and connecting plate 5 actions successively, and the last rotating shaft 23 on the latch handle 22 is moved, the tongue piece in the last rotating shaft 23 blocks the fork 25 on the latch handle 22, and latch handle 22 can not be stirred, be in a fixed position (being the service position), this moment, the cabinet foregate was in the state of closing the door, and earthed switch is in gate-dividing state, and isolating switch is in "on" position.
Behind the breaker open operation, the angle of VS1 circuit breaker main shaft 1 changes, drive main shaft connecting lever head 2, pull bar 3, connector 4 and connecting plate 5 actions successively, and the last rotating shaft 23 on the latch handle 22 is moved, tongue piece in the last rotating shaft 23 is subjected to no longer blocking behind the downward pulling force fork 25 on the latch handle 22, latch handle 22 can be pulled out from the service position to the disjunction locked position of coupler, and this moment, the cabinet foregate was in the state of closing the door, but earthed switch, isolating switch divide-shut brake; With the isolating switch separating brake, again earthed switch is closed a floodgate earlier, then latch handle 22 is pulled out to the maintenance position from the disjunction locked position of coupler, just can open the cabinet foregate and overhaul; When the cabinet foregate was in open mode, latch handle 22 was in the maintenance position all the time.
When latch handle 22 is pulled out to the disjunction locked position of coupler from the service position, rotated certain angle, draw axle 13 by lower rotary shaft 24, dropout plate 17, connector 16, pull bar 15, trip shaft connecting lever head 14, trip shaft and pass to VS1 circuit breaker tripping axle 12, upwards push away the dropout semiaxis of VS1 circuit breaker after VS1 circuit breaker tripping axle 12 is rotated counterclockwise, guarantee that three vacuum bubbles of VS1 circuit breaker are in gate-dividing state.
This locking trip gear is by operation locking handle 22, and through the machine driving of circuit breaker spindle drive and circuit breaker tripping shaft transmission, realizes the interlocking of circuit breaker and isolating switch, earthed switch, cabinet foregate.
Claims (3)
1. the locking trip gear that is used for fixing VS1 circuit breaker in the formula switch cubicle, comprise latch handle (22), latch handle (22) has rotating shaft (23) and lower rotary shaft (24), and be provided with the fork (25) of fixedlying connected with latch handle (22), it is characterized in that: described locking trip gear also comprises circuit breaker spindle drive and circuit breaker tripping shaft transmission, the circuit breaker spindle drive comprises the VS1 circuit breaker main shaft (1) that connects successively, main shaft connecting lever head (2), pull bar (3), connector (4) and connecting plate (5), connecting plate (5) is connected with last rotating shaft (23) in the latch handle (22), and VS1 circuit breaker main shaft (1) is provided with three insulated tension pole assemblies (6) that are connected with three vacuum bubbles respectively; The circuit breaker tripping shaft transmission comprises that successively the VS1 circuit breaker tripping axle (12), the trip shaft that connect draw axle (13), a trip shaft connecting lever head (14), pull bar (15), connector (16) and dropout plate (17), dropout plate (17) is connected with lower rotary shaft (24) in the latch handle (22), and VS1 circuit breaker tripping axle (12) is connected with the dropout semiaxis of VS1 circuit breaker.
2. the locking trip gear that is used for fixing VS1 circuit breaker in the formula switch cubicle according to claim 1, it is characterized in that: an end of described VS1 circuit breaker main shaft (1) is fixedlyed connected by screw (7) with an end of main shaft connecting lever head (2), the other end of main shaft connecting lever head (2) is connected by pin (8) with an end of pull bar (3), the other end of pull bar (3) is fixedlyed connected by nut (9) with connector (4), connector (4) is provided with an elliptical aperture (10), one pin (11) passes elliptical aperture (10) and the circular hole of being located at connecting plate (5) one ends, connector (4) and connecting plate (5) are linked together, the other end of connecting plate (5) is connected with last rotating shaft (23) in the latch handle (22), wherein VS1 circuit breaker main shaft (1) is perpendicular with main shaft connecting lever head (2), and pull bar (3) is coaxial fixing with connector (4).
3. the locking trip gear that is used for fixing VS1 circuit breaker in the formula switch cubicle according to claim 1 and 2, it is characterized in that: described VS1 circuit breaker tripping axle (12) and trip shaft are drawn axle (13) are coaxial and fixedly connected, the other end that trip shaft is drawn axle (13) is connected by Elastip pin with an end of trip shaft connecting lever head (14), the other end of trip shaft connecting lever head (14) is connected by pin (18) with an end of pull bar (15), the other end of pull bar (15) is connected by screw (19) with an end of connector (16), connector (16) is provided with an elliptical aperture (20), pin (21) passes elliptical aperture (20) and the circular hole of being located at dropout plate (17) one ends, connector (16) and dropout plate (17) are linked together, dropout plate (17) is connected with lower rotary shaft (24) in the latch handle (22), it is perpendicular with trip shaft connecting lever head (14) that wherein trip shaft is drawn axle (13), and pull bar (15) is coaxial fixing with connector (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420093609 CN2729891Y (en) | 2004-09-25 | 2004-09-25 | Shutting releasing device for VSI circuit breaker in fixed switch cubicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420093609 CN2729891Y (en) | 2004-09-25 | 2004-09-25 | Shutting releasing device for VSI circuit breaker in fixed switch cubicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2729891Y true CN2729891Y (en) | 2005-09-28 |
Family
ID=35048664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420093609 Expired - Lifetime CN2729891Y (en) | 2004-09-25 | 2004-09-25 | Shutting releasing device for VSI circuit breaker in fixed switch cubicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2729891Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108493021A (en) * | 2018-06-07 | 2018-09-04 | 广东电网有限责任公司 | Dropout blocking device and box-shaped fixed type alternating current metal closed switch |
| CN108879260A (en) * | 2018-08-14 | 2018-11-23 | 丁汉强 | A kind of mechanical interlocks suitable for different current plug and sockets |
| CN112563048A (en) * | 2020-12-04 | 2021-03-26 | 国网山东省电力公司烟台供电公司 | Operating tool for circuit breaker in switch cabinet |
-
2004
- 2004-09-25 CN CN 200420093609 patent/CN2729891Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108493021A (en) * | 2018-06-07 | 2018-09-04 | 广东电网有限责任公司 | Dropout blocking device and box-shaped fixed type alternating current metal closed switch |
| CN108879260A (en) * | 2018-08-14 | 2018-11-23 | 丁汉强 | A kind of mechanical interlocks suitable for different current plug and sockets |
| CN108879260B (en) * | 2018-08-14 | 2023-08-22 | 丁汉强 | Mechanical interlocking device suitable for plugs and sockets with different currents |
| CN112563048A (en) * | 2020-12-04 | 2021-03-26 | 国网山东省电力公司烟台供电公司 | Operating tool for circuit breaker in switch cabinet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100587876C (en) | Mechanical interlock mechanism of high-voltage segregate switch with vacuum contactor and high-pressure chamber cabinet door | |
| CN110993420A (en) | Safety interlocking device of switch cabinet | |
| CN201112250Y (en) | Worm-gear endless-screw type grounding interlocking mechanism in switch cabinet | |
| CN2729891Y (en) | Shutting releasing device for VSI circuit breaker in fixed switch cubicle | |
| CN2919501Y (en) | Spring operation mechanism | |
| CN202810416U (en) | Cable and cabin door interlocking device | |
| CN201054311Y (en) | A key interlocking device for gas insulation switch device | |
| CN211828535U (en) | Low-voltage cabinet door mechanical interlocking device | |
| CN206194632U (en) | Interlock of earthing switch AND gate of cubical switchboard | |
| CN216980391U (en) | Interlocking device for preventing misoperation of inflating cabinet | |
| CN204740970U (en) | Vacuum circuit breaker and isolator operating device's interlocking device | |
| CN201336239Y (en) | Error-preventive operation interlocking mechanism for grounding switch | |
| CN217507140U (en) | Interlocking mechanism for rear door and grounding switch of switch cabinet | |
| CN2560260Y (en) | Electronic anti-theft drawer | |
| CN201307530Y (en) | Locking and tripping device for circuit breaker of switchgear | |
| CN112993839B (en) | Electric chassis truck | |
| CN205385239U (en) | Valve and earthing switch's interlock | |
| CN211376515U (en) | Safety interlocking device of switch cabinet | |
| CN210692393U (en) | Diplopore operating device interlock, looped netowrk cabinet | |
| CN204558298U (en) | The operating system of isolating switch and earthed switch | |
| CN2674624Y (en) | Operating mechanism for knife switch | |
| CN2842696Y (en) | Operation interlocking mechanism of vacuum load switch cabinet | |
| CN208521848U (en) | A kind of breaker | |
| CN106952791B (en) | A kind of breaker interlock and the breaker group with interlock | |
| CN2518248Y (en) | Midship interlocking and locking set for switch cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140925 Granted publication date: 20050928 |