CN210866017U - Device for preventing switch-on with grounding switch, circuit breaker vehicle and high-voltage cabinet - Google Patents
Device for preventing switch-on with grounding switch, circuit breaker vehicle and high-voltage cabinet Download PDFInfo
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- CN210866017U CN210866017U CN201922288510.4U CN201922288510U CN210866017U CN 210866017 U CN210866017 U CN 210866017U CN 201922288510 U CN201922288510 U CN 201922288510U CN 210866017 U CN210866017 U CN 210866017U
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- grounding knife
- separation blade
- knife locking
- stop block
- end part
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Abstract
The utility model discloses a prevent taking device, circuit breaker car and high-voltage board that earthing switch combined floodgate belongs to the power supply technology field. The device for preventing the switch-on of the grounding knife comprises: the grounding knife locking catch is arranged on the supporting assembly; the supporting assembly is fixedly connected with the circuit breaker vehicle; the stop block is fixedly connected with the end part of the support assembly, which faces the grounding knife locking separation blade; the grounding knife locking separation blade is arranged in the high-voltage cabinet, and the stop block is in separable contact with the grounding knife locking separation blade; the area of the end part, facing the grounding knife locking separation blade, of the stop block is larger than or equal to the area of the end part, facing the stop block, of the grounding knife locking separation blade. The utility model discloses prevent taking earthing switch-on device, circuit breaker car and high-voltage board can avoid taking earthing switch-on, avoid appearing the electrical accident.
Description
Technical Field
The utility model relates to a power supply technical field, in particular to prevent taking device, circuit breaker car and high-voltage board that earthing switch combined floodgate.
Background
At present, the known 10KV high-voltage power distribution cabinet adopts a five-prevention design, wherein the function of preventing switching-on with an earthing knife is realized in the field practical application, and due to the reasons of improper mechanism matching, rough operation of personnel and the like, functional failure frequently occurs, so that a trolley can still be swung into a grounding knife state, and at the moment, once the switching-on is carried out, serious electrical accidents occur and the personal safety is threatened. Such electrical accidents are common in substations.
SUMMERY OF THE UTILITY MODEL
The utility model provides a prevent taking earthing switch-on's device, circuit breaker car and high-voltage board has solved or has partly solved the phenomenon that appears taking earthing switch-on among the prior art, leads to the technical problem that the electrical accident takes place.
In order to solve the technical problem, the utility model provides a prevent taking earthing switch-on device, with circuit breaker car fixed connection, its characterized in that, prevent taking earthing switch-on device to include: the grounding knife locking catch is arranged on the supporting assembly; the supporting assembly is fixedly connected with the circuit breaker vehicle; the stop block is fixedly connected with the end part of the support assembly, which faces the grounding knife locking separation blade; the grounding knife locking separation blade is arranged in the high-voltage cabinet, and the stop block is in separable contact with the grounding knife locking separation blade; the area of the end part, facing the grounding knife locking separation blade, of the stop block is larger than or equal to the area of the end part, facing the stop block, of the grounding knife locking separation blade.
Further, the support assembly includes: a connecting plate and a supporting plate; the connecting plate is fixedly connected with the circuit breaker vehicle; the supporting plate is fixedly connected with the connecting plate, and the stop block is fixedly connected with the end part of the supporting plate, which faces the locking catch of the grounding knife.
Further, the end portion, facing the grounding knife locking blocking piece, of the supporting plate is flush with the end portion, facing the grounding knife locking blocking piece, of the connecting plate.
Further, the support component is of an L-shaped structure.
Further, the connecting plate is perpendicular to the supporting plate.
Furthermore, the area x2 of the end part of the support plate facing the grounding knife locking catch is not less than the area x3 of the end part of the stop block facing the grounding knife locking catch.
Further, the support assembly further comprises: a plurality of connectors; and the connecting pieces penetrate through the connecting plate and are fixedly connected with the breaker trolley.
Furthermore, a plurality of through holes are formed in the connecting plate, and correspond to the connecting pieces one by one; the connecting pieces penetrate through the corresponding through holes to be fixedly connected with the breaker trolley.
Based on the same inventive concept, the application also provides a breaker vehicle, and the breaker vehicle comprises a device for preventing the circuit from being switched on by the grounding knife.
Based on the same inventive concept, the application also provides a high-voltage cabinet, which comprises a breaker vehicle.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
because supporting component and circuit breaker car fixed connection, the dog is connected with the tip fixed connection of supporting component orientation earthing sword shutting separation blade, earthing sword shutting separation blade is fixed to be set up in the high-voltage board, the dog is greater than or equal to the area of earthing sword shutting separation blade towards the tip of dog towards the area of end of earthing sword shutting separation blade, so, when the high-voltage board closes the earthing sword, earthing sword shutting separation blade in the high-voltage board is outstanding, promote the circuit breaker car this moment, the circuit breaker car drives supporting component and dog and moves to earthing sword shutting separation blade direction, the dog fully contacts with earthing sword shutting separation blade, earthing sword shutting separation blade provides sufficient resistance, the circuit breaker car is stopped by earthing sword shutting separation blade, prevent that the circuit breaker car from pushing, effectively avoid "take earthing sword to close", avoid appearing the electrical accident.
Drawings
Fig. 1 is an installation schematic view of a device for preventing closing with a grounding switch according to an embodiment of the present invention;
FIG. 2 is a front view of the device for preventing closing with an earthing switch in FIG. 1;
fig. 3 is a side view of the device for preventing the closing of the earthing switch in fig. 1.
Detailed Description
Referring to fig. 1-3, the embodiment of the utility model provides a prevent taking earthing switch-on device, with 1 fixed connection of circuit breaker car, prevent taking earthing switch-on device includes: supporting component 2, earthing knife shutting separation blade and dog 3.
The supporting assembly 2 is fixedly connected with the breaker trolley 1.
The stop block 3 is fixedly connected with the end part of the support component 2 facing the locking catch of the grounding knife.
The grounding knife locking separation blade is arranged in the high-voltage cabinet, and the stop block 3 can be in separable contact with the grounding knife locking separation blade.
The area of the end part of the stop block 3 facing the grounding knife locking baffle is larger than or equal to the area of the end part of the grounding knife locking baffle facing the stop block 3.
In the embodiment of the application, the supporting assembly 2 is fixedly connected with the breaker trolley 1, the stop block 3 is fixedly connected with the end part of the supporting assembly 2 facing the earthing knife locking separation blade, the earthing knife locking separation blade is arranged in the high-voltage cabinet, the stop block 3 is in separable contact with the earthing knife locking separation blade, the area of the end part of the stop block 3 facing the earthing knife locking separation blade is larger than or equal to the area of the end part of the earthing knife locking separation blade facing the stop block 3, so when the high-voltage cabinet is connected with the earthing knife, the earthing knife locking separation blade in the high-voltage cabinet protrudes, the breaker trolley 1 is pushed at the moment, the breaker trolley 1 drives the supporting assembly 2 and the stop block 3 to move towards the earthing knife locking separation blade, the stop block 3 is in full contact with the earthing knife locking separation blade, the earthing knife locking separation blade provides enough resistance, the breaker trolley is stopped by the earthing knife locking separation blade, avoiding electrical accidents.
Specifically, the support assembly 2 includes: a connecting plate 2-1 and a supporting plate 2-2.
The connecting plate 2-1 is fixedly connected with the breaker trolley 1. In the present embodiment, the support assembly 2 further includes: a plurality of connecting pieces. The connecting pieces penetrate through the connecting plate 2-1 and are fixedly connected with the breaker trolley 1. A plurality of through holes 2-11 are formed in the connecting plate 2-1, and the through holes 2-11 correspond to the connecting pieces one by one; the connecting piece penetrates through the corresponding through hole 2-11 to be fixedly connected with the breaker vehicle 1, so that the connecting plate 2-1 and the breaker vehicle 1 are connected into a whole, and the firmness is ensured.
Wherein, the connecting piece can be a bolt or a screw.
The supporting plate 2-2 is fixedly connected with the connecting plate 2-1. In the present embodiment, the support plate 2-2 may be integrally formed with the connection plate 2-1. The stop block 3 is fixedly connected with the end part of the support plate 2-2 facing the locking catch of the grounding knife. In the embodiment, the stop block 3 can be fixedly connected with the end part of the support plate 2-2 facing the locking catch of the grounding knife by welding, so that the connection firmness is ensured.
The end part of the support plate 2-2 facing the locking separation blade of the grounding knife is flush with the end part of the connecting plate 2-1 facing the locking separation blade of the grounding knife, so that the safety of the support plate 2-2 is ensured.
The support component 2 is of an L-shaped structure.
The connecting plate 2-1 is perpendicular to the supporting plate 2-2, so that the connecting plate 2-1 and the supporting plate 2-2 form a groove, and the groove is clamped on a longitudinal beam of a frame of the breaker vehicle 1, so that the connection firmness is ensured.
The area x2 of the end part of the support plate 2-1 facing the grounding knife locking baffle is not less than the area x3 of the end part of the stop block 3 facing the grounding knife locking baffle is not more than the area x3 of the end part of the support plate 2-1 facing the grounding knife locking baffle, so that the safety of the support plate 2-1 can be maintained by the stop block 3.
The utility model also provides a circuit breaker car, this circuit breaker car has adopted prevent taking earthing switch-on's device, this prevent taking earthing switch-on's device concrete structure refer to above-mentioned embodiment, because this prevent taking earthing switch-on's device has adopted the whole technical scheme of all above-mentioned embodiments, consequently have all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, here no longer give unnecessary details.
Wherein, the connecting piece passes through the corresponding through hole and is fixedly connected with the frame of the breaker vehicle
The utility model also provides a high-voltage board, this high-voltage board has adopted the breaker car, the concrete structure of this breaker car refer to above-mentioned embodiment, because this breaker car has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, no longer gives unnecessary detail here.
Wherein, the circuit breaker car slidable ground sets up in the high-voltage board.
In order to more clearly describe the embodiment of the present invention, the following description is provided on the using method of the embodiment of the present invention.
The connecting piece penetrates through the corresponding through hole 2-11 to be fixedly connected with the breaker vehicle 1, so that the connecting plate 2-1 and the breaker vehicle 1 are connected into a whole, and the firmness is ensured. The stop block 3 is fixedly connected with the end part of the support plate 2-2 facing the grounding knife locking separation blade, the grounding knife locking separation blade is arranged in the high-voltage cabinet, the stop block 3 is in separable contact with the grounding knife locking separation blade, and the area of the end part of the stop block 3 facing the grounding knife locking separation blade is larger than or equal to the area of the end part of the grounding knife locking separation blade facing the stop block 3.
When the high-voltage board closes the earthing switch, earthing switch shutting separation blade in the high-voltage board is outstanding, promote circuit breaker car 1 this moment, circuit breaker car 1 drives supporting component 2 and dog 3 and moves to earthing switch shutting separation blade direction, dog 3 fully contacts with earthing switch shutting separation blade, earthing switch shutting separation blade provides sufficient resistance, the circuit breaker car is blocked by earthing switch shutting separation blade, prevent that circuit breaker car 1 from pushing into, effectively avoid "take earthing switch closing", avoid appearing the electrical accident.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a prevent taking device that earthing knife switched on, with circuit breaker car fixed connection, its characterized in that, prevent taking device that earthing knife switched on includes: the grounding knife locking catch is arranged on the supporting assembly;
the supporting assembly is fixedly connected with the circuit breaker vehicle;
the stop block is fixedly connected with the end part of the support assembly, which faces the grounding knife locking separation blade;
the grounding knife locking separation blade is arranged in the high-voltage cabinet, and the stop block is in separable contact with the grounding knife locking separation blade;
the area of the end part, facing the grounding knife locking separation blade, of the stop block is larger than or equal to the area of the end part, facing the stop block, of the grounding knife locking separation blade.
2. The device of claim 1, wherein the support assembly comprises: a connecting plate and a supporting plate;
the connecting plate is fixedly connected with the circuit breaker vehicle;
the supporting plate is fixedly connected with the connecting plate, and the stop block is fixedly connected with the end part of the supporting plate, which faces the locking catch of the grounding knife.
3. The device of claim 2, wherein the device further comprises:
the supporting plate faces towards the end portion of the grounding knife locking separation blade and the connecting plate faces towards the end portion of the grounding knife locking separation blade.
4. The device of claim 2, wherein the device further comprises:
the supporting component is of an L-shaped structure.
5. The device of claim 4, wherein the ground blade is configured to be switched on when the device is in a closed position:
the connecting plate is perpendicular to the supporting plate.
6. The device of claim 2, wherein the device further comprises:
the area x2 of the supporting plate facing the end part of the grounding knife locking baffle is not more than or equal to the area x3 of the stop block facing the end part of the grounding knife locking baffle is not more than or equal to the area x3 of the supporting plate facing the end part of the grounding knife locking baffle.
7. The apparatus of claim 2, wherein the support assembly further comprises: a plurality of connectors;
and the connecting pieces penetrate through the connecting plate and are fixedly connected with the breaker trolley.
8. The device of claim 7, wherein the ground blade is configured to be switched on when the device is in a closed position:
a plurality of through holes are formed in the connecting plate, and correspond to the connecting pieces one by one;
the connecting pieces penetrate through the corresponding through holes to be fixedly connected with the breaker trolley.
9. A circuit breaker vehicle comprising a device for preventing closing of a earthing switch according to any one of claims 1 to 8.
10. A high voltage cabinet, characterized by comprising a circuit breaker vehicle according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922288510.4U CN210866017U (en) | 2019-12-19 | 2019-12-19 | Device for preventing switch-on with grounding switch, circuit breaker vehicle and high-voltage cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922288510.4U CN210866017U (en) | 2019-12-19 | 2019-12-19 | Device for preventing switch-on with grounding switch, circuit breaker vehicle and high-voltage cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210866017U true CN210866017U (en) | 2020-06-26 |
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ID=71285505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922288510.4U Active CN210866017U (en) | 2019-12-19 | 2019-12-19 | Device for preventing switch-on with grounding switch, circuit breaker vehicle and high-voltage cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210866017U (en) |
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2019
- 2019-12-19 CN CN201922288510.4U patent/CN210866017U/en active Active
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