CN218826815U - Interlocking device of vacuum circuit breaker - Google Patents
Interlocking device of vacuum circuit breaker Download PDFInfo
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- CN218826815U CN218826815U CN202222889874.XU CN202222889874U CN218826815U CN 218826815 U CN218826815 U CN 218826815U CN 202222889874 U CN202222889874 U CN 202222889874U CN 218826815 U CN218826815 U CN 218826815U
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- interlocking
- rod
- separating brake
- plate
- closing
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Abstract
The utility model relates to a vacuum circuit breaker's interlock, including the interlocking subassembly, the interlocking subassembly includes interlocking lever, separating brake interlocking board, separating brake ejector pin, spring, separating brake bent plate, procedure lock, linkage setting on the separating brake semi-axis and with procedure lock complex bent plate, with interlocking lever linkage complex combined floodgate interlocking board, with combined floodgate interlocking board linkage complex combined floodgate ejector pin, set up on closing brake is epaxial and with combined floodgate ejector pin matched with combined floodgate baffle, interlocking lever one end be provided with isolator matched with isolation interlocking board, combined floodgate baffle on be provided with combined floodgate ejector pin matched with spacing groove, combined floodgate ejector pin one end along with combined floodgate interlocking board action and can insert at the spacing inslot, and constitute the spacing cooperation of combined floodgate ejector pin and combined floodgate baffle. The utility model has the advantages of simple structure, convenient assembly, low cost and reliable interlocking.
Description
Technical Field
The utility model relates to a vacuum circuit breaker, concretely relates to vacuum circuit breaker's interlock.
Background
The vacuum circuit breaker is named because the arc extinguishing medium and the insulating medium of the contact gap after arc extinguishing are both high vacuum; the arc extinguishing device has the advantages of small volume, light weight, suitability for frequent operation and no need of maintenance for arc extinguishing, and is relatively popularized in power distribution networks. The vacuum circuit breaker is an indoor power distribution device in a 3-10kV, 50Hz three-phase alternating-current system, can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and transformer substations, is particularly suitable for use places requiring no oil, less maintenance and frequent operation, and can be arranged in a middle cabinet, a double-layer cabinet and a fixed cabinet to be used for controlling and protecting high-voltage electrical equipment. In order to meet the requirement of five-prevention interlocking, the existing vacuum circuit breaker is provided with an interlocking device, the structural design of the interlocking device is complex, the cost is high, and the interlocking device of the vacuum circuit breaker also has the defects of unreliable interlocking and inconvenient assembly.
Disclosure of Invention
An object of the utility model is to overcome prior art's defect, provide a simple structure, the assembly is convenient, with low costs, interlock reliable vacuum circuit breaker's interlock.
In order to achieve the above object, the utility model discloses an interlock of vacuum circuit breaker, including setting up the interlocking subassembly on vacuum circuit breaker's framework, the interlocking subassembly including rotate set up on the framework the interlocking lever, with interlocking lever linkage complex separating brake interlocking plate, with separating brake interlocking plate linkage complex separating brake ejector pin, set up spring between separating brake ejector pin and framework, set up on the separating brake semi-axis and with separating brake ejector pin linkage complex separating brake bent plate, set up the procedure lock on the framework, the linkage set up on the separating brake semi-axis and with procedure lock complex bent plate, with interlocking lever linkage complex closing interlocking plate, with closing interlocking plate linkage complex closing brake ejector pin, set up on closing brake axle and with closing brake ejector pin matched with closing brake baffle, interlocking lever one end be provided with isolating switch matched with isolating plate, closing brake baffle on be provided with closing brake ejector pin matched with spacing groove, closing brake ejector pin one end along with closing brake interlocking plate action and can insert in the spacing groove, and constitute the spacing cooperation of closing brake ejector pin and closing brake interlocking baffle.
The beneficial effect of above-mentioned structure is: the interlocking assembly matched with the disconnecting switch is arranged on the mechanical frame of the vacuum circuit breaker, the interlocking assembly is simple in structural design and lower in production cost, the vacuum circuit breaker and the disconnecting switch can be reliably interlocked through the interlocking assembly, and the vacuum circuit breaker and the disconnecting switch are prevented from being switched on simultaneously. When the vacuum circuit breaker is operated, when an isolating switch is switched on, the isolating switch operating mechanism drives the interlocking rod to rotate through the isolating interlocking plate, the interlocking rod drives the switching-off ejector rod and the switching-on ejector rod respectively, the switching-off ejector rod drives the switching-off half shaft to rotate, so that switching-off of the vacuum circuit breaker is realized, the switching-on ejector rod penetrates through the limiting groove of the switching-on baffle, the switching-on ejector rod can lock the switching-on baffle, and therefore a user cannot drive the switching-on shaft through the switching-on baffle, and the vacuum circuit breaker cannot be switched on. Therefore, the interlocking device of the vacuum circuit breaker has the advantages of simple structure, convenience and rapidness in assembly, low cost and reliability in interlocking.
Particularly, the separating brake bent plate is provided with a waist-shaped hole matched with the separating brake ejector rod, one end of the separating brake ejector rod is inserted into the waist-shaped hole, an adjusting nut is arranged at one end of the separating brake ejector rod corresponding to two sides of the waist-shaped hole respectively, the two adjusting nuts abut against two sides of the separating brake bent plate respectively, and the two adjusting nuts are in limit fit with the separating brake bent plate. The separating brake ejector rod is clamped with the separating brake bent plate through the two adjusting nuts, so that the separating brake ejector rod and the separating brake bent plate can be assembled conveniently, the height of the connecting position of the separating brake ejector rod and the separating brake bent plate can be adjusted by rotating the adjusting nuts, the interlocking device can be adapted to vacuum circuit breakers with different heights, and the application range is wider.
Particularly, a limiting groove is formed in the position, corresponding to the isolation interlocking plate, of the interlocking rod, one end of the isolation interlocking plate is clamped in the limiting groove, and a screw connected with the interlocking rod is arranged on the isolation interlocking plate. The isolation interlocking plate and the interlocking rod are connected in a clamping fit mode, so that the isolation interlocking plate and the interlocking rod are convenient to assemble, and the assembly is more convenient.
Particularly, the machine frame is provided with a support plate corresponding to two ends of the interlocking rod respectively, the two support plates are provided with positioning holes matched with the interlocking rod respectively, two ends of the interlocking rod are inserted into the positioning holes of the support plates respectively, and two ends of the interlocking rod are provided with elastic opening bolts in limit fit with the two support plates respectively. The interlocking rod is rotatably arranged on the two supporting plates, so that the interlocking rod can be ensured to reliably rotate on the two supporting plates, the interlocking rod and the two supporting plates are convenient to assemble, and the assembly is more convenient.
Particularly, a positioning bent plate is arranged in the mechanism frame corresponding to the opening ejector rod, a guide hole matched with the opening ejector rod is formed in the positioning bent plate, the opening ejector rod is inserted in the guide hole, and the opening ejector rod is matched with the positioning bent plate in a sliding connection mode. The opening ejector rod is matched with the positioning bent plate on the mechanism frame in a sliding connection mode, so that the opening ejector rod can be guaranteed to reliably slide on the mechanism frame, and the working reliability of the interlocking device of the vacuum circuit breaker is facilitated.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is an exploded view of an embodiment of the present invention.
Fig. 3 is a front view of the embodiment of the present invention.
Detailed Description
As shown in fig. 1-3, the embodiment of the present invention is an interlocking device of a vacuum circuit breaker, including an interlocking component 20 disposed on a mechanism frame 10 of the vacuum circuit breaker, the interlocking component 20 includes an interlocking rod 21 rotatably disposed on the mechanism frame 10, an opening interlocking plate 22 cooperating with the interlocking rod 21, an opening interlocking rod 23 cooperating with the opening interlocking plate 22, a spring 24 disposed between the opening interlocking rod 23 and the mechanism frame 10, an opening interlocking plate 25 disposed on an opening half shaft 11 and cooperating with the opening interlocking rod 23, a program lock 26 disposed on the mechanism frame 10, a closing interlocking plate 27 cooperating with the program lock 26 and disposed on the opening half shaft 11, a closing interlocking plate 28 cooperating with the interlocking rod 21, a closing interlocking rod 29 cooperating with the closing interlocking plate 28, a closing baffle 30 disposed on the closing shaft 12 and cooperating with the closing rod 29, one end of the interlocking rod 21 is provided with an isolating interlocking plate 31 cooperating with the isolating switch, the closing baffle 30 is provided with the closing rod 29, the closing baffle 29 is provided with a closing limiting groove 301, the closing limiting groove 29 is inserted into the closing limiting groove 29, and the closing limiting groove 29 is inserted into the closing limiting groove 301, and the limiting groove is inserted into the closing rod 29.
As shown in fig. 2, a kidney-shaped hole 251 matched with the opening push rod 23 is arranged on the opening curved plate 25, one end of the opening push rod 23 is inserted into the kidney-shaped hole 251, two adjusting nuts 231 are respectively arranged on one end of the opening push rod 23 corresponding to two sides of the kidney-shaped hole 251, the two adjusting nuts 231 respectively abut against two sides of the opening curved plate 25, and the two adjusting nuts 231 are in limit fit with the opening curved plate 25. The separating brake ejector rod is clamped with the separating brake bent plate through the two adjusting nuts, so that the separating brake ejector rod and the separating brake bent plate can be assembled conveniently, the height of the connecting position of the separating brake ejector rod and the separating brake bent plate can be adjusted by rotating the adjusting nuts, the interlocking device can be adapted to vacuum circuit breakers with different heights, and the application range is wider. A limit groove 211 is formed in the interlocking rod 21 corresponding to the isolation interlocking plate 31, one end of the isolation interlocking plate 31 is clamped in the limit groove 211, and a screw 212 connected with the interlocking rod 21 is arranged on the isolation interlocking plate 31. The isolation interlocking plate and the interlocking rod are connected in a clamping fit mode, so that the isolation interlocking plate and the interlocking rod are convenient to assemble, and the assembly is more convenient. The mechanism frame 10 is provided with a support plate 13 corresponding to two ends of the interlocking rod 21, the two support plates 13 are provided with positioning holes 131 matched with the interlocking rod 21, two ends of the interlocking rod 21 are inserted into the positioning holes 131 of the support plates 13, and two ends of the interlocking rod 21 are provided with elastic open plugs 14 in limit fit with the two support plates 13. The interlocking rod is rotatably arranged on the two supporting plates, so that the interlocking rod can be ensured to reliably rotate on the two supporting plates, the interlocking rod and the two supporting plates are convenient to assemble, and the assembly is more convenient. The mechanism frame 10 in correspond separating brake ejector pin 23 department and be provided with location bent plate 15, location bent plate 15 on be provided with separating brake ejector pin 23 matched with guiding hole 151, separating brake ejector pin 23 alternate in guiding hole 151, and constitute separating brake ejector pin 23 and location bent plate 15's sliding connection cooperation. The opening ejector rod is matched with the positioning bent plate on the mechanism frame in a sliding connection mode, so that the opening ejector rod can reliably slide on the mechanism frame, and the working reliability of the interlocking device of the vacuum circuit breaker is facilitated.
The interlocking assembly matched with the disconnecting switch is arranged on the mechanism frame of the vacuum circuit breaker, the interlocking assembly is simple in structural design and lower in production cost, the interlocking assembly can realize reliable interlocking of the vacuum circuit breaker and the disconnecting switch, and the vacuum circuit breaker and the disconnecting switch are prevented from being switched on simultaneously. When the vacuum circuit breaker is operated, when an isolating switch is switched on, the isolating switch operating mechanism drives the interlocking rod to rotate through the isolating interlocking plate, the interlocking rod drives the switching-off ejector rod and the switching-on ejector rod respectively, the switching-off ejector rod drives the switching-off half shaft to rotate, so that switching-off of the vacuum circuit breaker is realized, the switching-on ejector rod penetrates through the limiting groove of the switching-on baffle, the switching-on ejector rod can lock the switching-on baffle, and therefore a user cannot drive the switching-on shaft through the switching-on baffle, and the vacuum circuit breaker cannot be switched on. Therefore, the interlocking device of the vacuum circuit breaker has the advantages of simple structure, convenience in assembly, low cost and reliability in interlocking.
Claims (5)
1. An interlock device of a vacuum circuit breaker, comprising an interlock assembly provided on a mechanism frame of the vacuum circuit breaker, characterized in that: the interlocking assembly comprises an interlocking rod rotatably arranged on a mechanism frame, an opening interlocking plate in linkage fit with the interlocking rod, an opening ejector rod in linkage fit with the opening interlocking plate, a spring arranged between the opening ejector rod and the mechanism frame, an opening bent plate arranged on an opening half shaft and in linkage fit with the opening ejector rod, a program lock arranged on the mechanism frame, a bent plate in linkage fit with the program lock arranged on the opening half shaft, a closing interlocking plate in linkage fit with the interlocking rod, a closing ejector rod in linkage fit with the closing interlocking plate, and a closing baffle arranged on a closing shaft and matched with the ejector rod, wherein one end of the closing rod is provided with an isolation interlocking plate matched with an isolation switch, the closing baffle is provided with a limiting groove matched with the closing ejector rod, and one end of the closing ejector rod moves along with the closing plate and can penetrate into the limiting groove to form limiting fit of the ejector rod and the closing baffle.
2. The interlock apparatus of a vacuum circuit breaker according to claim 1, wherein: the separating brake bent plate on be provided with separating brake ejector pin matched with waist type hole, separating brake ejector pin one end alternate and insert in waist type downthehole, and one of separating brake ejector pin is served and is provided with an adjusting nut respectively to correspond waist type hole both sides department, two adjusting nuts contradict respectively on the both sides of separating brake bent plate, and constitute two adjusting nuts and the spacing cooperation of separating brake bent plate.
3. The interlock device of the vacuum circuit breaker according to claim 1 or 2, wherein: the interlocking rod is provided with a limiting groove corresponding to the position of the isolation interlocking plate, one end of the isolation interlocking plate is clamped in the limiting groove, and the isolation interlocking plate is provided with a screw connected with the interlocking rod.
4. The interlock apparatus of a vacuum circuit breaker according to claim 1 or 2, wherein: the interlocking device is characterized in that the machine frame is provided with a support plate corresponding to two ends of the interlocking rod respectively, the two support plates are provided with positioning holes matched with the interlocking rod respectively, two ends of the interlocking rod are inserted into the positioning holes of the support plates respectively, and two ends of the interlocking rod are provided with elastic opening bolts in limit fit with the two support plates respectively.
5. The interlock device of the vacuum circuit breaker according to claim 1 or 2, wherein: the mechanism frame in correspond separating brake ejector pin department and be provided with the location bent plate, the location bent plate on be provided with separating brake ejector pin matched with guiding hole, separating brake ejector pin alternate in the guiding hole, and constitute the sliding connection cooperation of separating brake ejector pin and location bent plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222889874.XU CN218826815U (en) | 2022-10-28 | 2022-10-28 | Interlocking device of vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222889874.XU CN218826815U (en) | 2022-10-28 | 2022-10-28 | Interlocking device of vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218826815U true CN218826815U (en) | 2023-04-07 |
Family
ID=87043589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222889874.XU Active CN218826815U (en) | 2022-10-28 | 2022-10-28 | Interlocking device of vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218826815U (en) |
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2022
- 2022-10-28 CN CN202222889874.XU patent/CN218826815U/en active Active
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