CN220065534U - Upper isolating structure of circuit breaker for medium-voltage ring network switch equipment - Google Patents
Upper isolating structure of circuit breaker for medium-voltage ring network switch equipment Download PDFInfo
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- CN220065534U CN220065534U CN202321562265.1U CN202321562265U CN220065534U CN 220065534 U CN220065534 U CN 220065534U CN 202321562265 U CN202321562265 U CN 202321562265U CN 220065534 U CN220065534 U CN 220065534U
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- isolation
- isolating
- rotating shaft
- circuit breaker
- medium
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- 238000002955 isolation Methods 0.000 claims abstract description 98
- 230000001788 irregular Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses an upper isolation structure of a circuit breaker for medium-voltage ring network switch equipment, which comprises an upper isolation side plate, wherein a side shell is inlaid on one side of the upper isolation side plate, an isolation switch motor is arranged on the side wall of the side shell, the power output end of the isolation switch motor is connected with a power gear, the power gear is connected with a rotating shaft driving gear, the rotating shaft driving gear is meshed with a rotating shaft driven gear, and the rotating shaft driving gear and the rotating shaft driven gear start to rotate through the actuation of the isolation switch motor. The driven gear of the rotating shaft drives the main connecting rod to rotate, so that the isolation plate is separated from the upper isolation round roller, and isolation operation is realized. After the isolation plate is separated from the upper isolation round roller, the circuit breaking isolation fixed contact piece starts to move and is contacted with the movable contact, so that circuit breaking operation is realized, the circuit breaking isolation fixed contact piece is driven to move in the circuit breaking operation through the eccentric cam, and the stability of the circuit breaking isolation fixed contact piece switch is improved.
Description
Technical Field
The utility model relates to an upper isolation structure of a circuit breaker for medium-voltage ring network switch equipment.
Background
In modern power systems, medium voltage ring network switching devices play a vital role. The medium-voltage ring network switch equipment can realize the partition control of the power system, thereby improving the reliability and stability of the power system. The circuit breaker is used as an important component in medium-voltage ring network switch equipment and has the functions of isolation and circuit breaking. The traditional upper isolation structure of the circuit breaker for the medium-voltage ring network switch equipment is generally composed of a host, an isolation plate, a circuit breaker isolation fixed contact, an upper isolation round roller and the like. However, since there are some defects of the conventional isolation structure in the use process, firstly, the main structure of the conventional upper isolation structure in the isolation process is that the isolation driving mode is realized mainly through a spring, and elastic fatigue can occur when the spring is used for a long time, so that the isolation switch cannot be normally isolated, therefore, the improvement is made, and the upper isolation structure of the circuit breaker for the medium-voltage ring network switch equipment is provided.
Disclosure of Invention
The utility model provides an upper isolation structure of a circuit breaker for medium-voltage ring network switch equipment, which comprises an upper isolation side plate, wherein a side shell is inlaid on one side of the upper isolation side plate, an isolation switch motor is arranged on the side wall of the side shell, a power output end of the isolation switch motor is connected with a power gear, the power gear is connected with a rotating shaft driving gear, the rotating shaft driving gear is meshed with a rotating shaft driven gear, and the rotating shaft driving gear and the rotating shaft driven gear are arranged in the side shell.
As the preferable technical scheme of the utility model, the two upper isolation side plates are arranged, a main connecting rod is embedded between the two side plates, and the side shell is positioned on the right side edge of the upper isolation side plate.
As the preferable technical scheme of the utility model, a separation plate is fixed between the top plates of the upper separation side plates, and three circuit breaking separation fixed contacts are arranged below the separation plate and are in a linear array.
As the preferable technical scheme of the utility model, an upper isolation round roller is rotatably arranged between the middle section plates of the upper isolation side plates, and two sides of the upper isolation round roller are connected with bearings.
As the preferable technical scheme of the utility model, the round roller circuit breaking sheet and the round roller conducting strip are respectively arranged in the irregular grooves on the surface of the upper isolation round roller.
As the preferable technical scheme of the utility model, an isolation joint is arranged on the inner rod of the main connecting rod, a movable contact is arranged above the isolation joint, a connecting piece is fixed below the isolation joint, and an isolation lifting plug on the circuit breaking is embedded below the connecting piece.
As the preferable technical scheme of the utility model, the isolating joint, the movable contact, the connecting piece and the isolating lifting plug on the circuit breaking are all provided with three, the lower part of each isolating lifting plug on the circuit breaking is connected with a hinge piece, and the inside of each hinge piece is embedded with an eccentric cam.
As a preferable technical scheme of the utility model, three hinge parts penetrate through a rotating shaft, a flange piece is nested on the surface of the shaft body of the rotating shaft, and one side of the rotating shaft is connected with the driven gear of the rotating shaft.
As the preferable technical scheme of the utility model, a spring seat is embedded between the upper isolation side plate and the side shell, and a spiral spring is arranged in a groove of the spring seat.
The beneficial effects of the utility model are as follows: the rotary shaft driving gear and the rotary shaft driven gear start to rotate through the start of the isolating switch motor. The driven gear of the rotating shaft drives the main connecting rod to rotate, so that the isolation plate is separated from the upper isolation round roller, and isolation operation is realized. After the isolation plate is separated from the upper isolation round roller, the circuit breaking isolation fixed contact piece starts to move and is contacted with the movable contact, so that circuit breaking operation is realized, the circuit breaking isolation fixed contact piece is driven to move in the circuit breaking operation through the eccentric cam, and the stability of the circuit breaking isolation fixed contact piece switch is improved.
Drawings
FIG. 1 is a block diagram of the present utility model;
FIG. 2 is a front view block diagram of the present utility model;
FIG. 3 is a view showing the structure of the main connecting rod of the present utility model;
fig. 4 is a structural view of the upper spacer side plate of the present utility model.
Detailed Description
Embodiment 1 of the upper isolation structure of the circuit breaker for medium-voltage ring network switch equipment is as shown in fig. 1 to 4: the motor comprises an upper isolation side plate 1, a side shell 3 is inlaid on one side of the upper isolation side plate 1, an isolation switch motor 4 is mounted on the side wall of the side shell 3, a power gear is connected to the power output end of the isolation switch motor 4, the power gear is connected with a rotating shaft driving gear 5, the rotating shaft driving gear 5 is meshed with a rotating shaft driven gear 6, the rotating shaft driving gear 5 and the rotating shaft driven gear 6 are mounted in the side shell 3 in a rotating mode.
The upper isolation side plates 1 are provided with two, a main connecting rod 2 is embedded between the two side plates, and a side shell 3 is positioned on the side edge of the upper isolation side plate 1 on the right side. An isolation plate 7 is fixed between the top plates of the upper isolation side plates 1, an open-circuit isolation fixed contact 8 is arranged below the isolation plate 7, and three open-circuit isolation fixed contacts 8 are arranged and are in a linear array. An upper isolation round roller 9 is rotatably arranged between the middle section plates of the upper isolation side plates 1, and bearings are connected to two sides of the upper isolation round roller 9. The upper isolating round roller 9 is provided with round roller circuit breaking sheets 10 and round roller conducting strips 11 respectively in irregular grooves on the surface. An isolating connector 12 is arranged on the inner rod of the main connecting rod 2, a movable contact 13 is arranged above the isolating connector 12, a connecting piece 14 is fixed below the isolating connector 12, and an isolating lifting plug 15 on the circuit breaking is embedded below the connecting piece 14. The isolating connector 12, the movable contact 13, the connecting piece 14 and the isolating lifting plug 15 on the circuit breaking are all provided with three, a hinge piece 16 is connected below each isolating lifting plug 15 on the circuit breaking, and an eccentric cam 17 is embedded in the hinge piece 16. The three hinge members 16 penetrate through the rotating shaft 18, flange pieces 19 are nested on the surface of the rotating shaft 18, and one side of the rotating shaft 18 is connected with the rotating shaft driven gear 6. A spring seat 20 is embedded between the upper isolation side plate 1 and the side shell 3, and a spiral spring 21 is arranged in a groove of the spring seat 20.
The upper spacer side plate 1 supports an upper spacer round roller 9 and a spacer plate 7. The main connecting rod 2 is connected with the isolation plate 7 and the rotating shaft driven gear 6 to realize isolation operation. The side case 3 protects the internal structure of the circuit breaker from intrusion of foreign substances. The isolating switch motor 4 provides power to drive the rotating shaft driving gear 5 and the rotating shaft driven gear 6. The rotary shaft driving gear 5 receives the power of the isolating switch motor 4 and drives the rotary shaft driven gear 6 to rotate. The driven gear 6 drives the main connecting rod 2 to rotate, so that isolation operation is realized. The isolation plate 7 is separated from or connected with the upper isolation round roller 9 to realize isolation operation. The circuit breaking isolation fixed contact 8 is contacted with the movable contact 13 in the circuit breaking operation, so that the circuit breaking is realized. The upper isolating round roller 9 is separated from or connected with the isolating plate 7 to realize isolating operation. The roller breaker 10 contacts with the breaking isolation fixing contact 8 in the breaking operation to realize the circuit breaking. The round roller conducting strip 11 conducts electricity, and the circuit is ensured to be smooth. The isolating joint 12 connects the circuit breaker and the isolating switch motor 4. The movable contact 13 is in contact with the breaking isolation fixed contact 8 in breaking operation, so that circuit breaking is realized. The connection 14 connects the various components of the circuit breaker. After the circuit breaking operation is finished, the upper isolation lifting plug 15 separates the upper isolation round roller 9 from the isolation plate 7, so that the generation of electric arcs is avoided, and the safety of equipment is protected. The hinge 16 connects the on-circuit isolation lifter plug 15 and the on-circuit isolation mounting contacts 8. During the breaking operation, the eccentric cam 17 drives the breaking isolation fixed contact 8 to move, so as to realize circuit breaking. The rotating shaft 18 is connected with the rotating shaft driving gear 5 and the rotating shaft driven gear 6 to realize isolation operation. The flange piece 19 connects the isolation plate 7 and the main connecting rod 2, and achieves isolation operation. The spring seat 20 is connected with the circuit breaking isolation fixed contact 8 and the movable contact 13, so that the circuit is ensured to be smooth. The coil spring 21 is connected with the circuit breaking isolation fixed contact 8 and the movable contact 13, so that the circuit is ensured to be smooth.
The working principle of the utility model is that firstly, the isolating switch motor 4 is started, and the rotating shaft driving gear 5 and the rotating shaft driven gear 6 start to rotate. The driven gear 6 drives the main connecting rod 2 to rotate, so that the isolation plate 7 is separated from the upper isolation round roller 9, and isolation operation is realized. After the isolating plate 7 is separated from the upper isolating round roller 9, the breaking isolating fixed contact 8 starts to move and is contacted with the movable contact 13, so that breaking operation is realized. After the breaking operation is completed, the upper isolating lifting plug 15 for breaking separates the upper isolating round roller 9 from the isolating plate 7, so that the generation of electric arcs is avoided, and the safety of equipment is protected. After the disconnecting and opening operation is completed, the disconnecting switch motor 4 stops working, and the circuit breaker is restored to the working state.
Through the drive of isolator motor 4, pivot driving gear 5 and pivot driven gear 6, realize isolating the separation and the connection of round roller and division board 7, and then realize isolating and the operation of breaking. In the isolating operation, the isolating plate 7 is separated from the upper isolating roller 9, thereby achieving electrical isolation. In the breaking operation, the breaking isolation fixed contact 8 is in contact with the movable contact 13, thereby achieving breaking of the circuit. Meanwhile, after the circuit breaking operation is completed, the upper isolating lifting plug 15 for circuit breaking separates the upper isolating round roller 9 from the isolating plate 7, so that the generation of electric arcs is avoided, and the safety of equipment is protected. The utility model provides an isolation structure on circuit breaker for medium voltage looped netowrk switchgear has advantages such as simple structure, convenient operation, reliability height, feature of environmental protection are good, can the wide application in medium voltage looped netowrk switchgear, improve the reliability and the security of equipment.
The above embodiment is only an upper isolation structure of a circuit breaker for medium voltage ring network switch equipment according to a preferred embodiment of the present utility model, and common changes and substitutions made by those skilled in the art within the technical scope of the present utility model are included in the protection scope of the present utility model.
Claims (9)
1. The utility model provides an isolation structure on circuit breaker for medium voltage looped netowrk switchgear, includes isolation curb plate, its characterized in that, it has the side casing to go up one side of isolation curb plate to inlay, install the isolator motor on the side casing lateral wall, the power take off of isolator motor is being connected power gear, power gear and pivot driving gear interconnect, and the pivot driving gear is connected with the meshing of pivot driven gear again, pivot driving gear, and the pivot driven gear pivot is installed in the side casing.
2. The upper isolating structure for the circuit breaker for the medium-voltage ring network switch equipment according to claim 1, wherein two upper isolating side plates are arranged, a main connecting rod is embedded between the two side plates, and the side shell is positioned on the right side edge of the upper isolating side plate.
3. The upper isolating structure for the circuit breaker for the medium-voltage ring network switch equipment according to claim 2, wherein an isolating plate is fixed between the top plates of the upper isolating side plates, and circuit breaking isolating fixed contacts are arranged below the isolating plate and are three and are in a linear array.
4. The upper isolating structure for the circuit breaker for the medium-voltage ring network switch equipment according to claim 3, wherein an upper isolating round roller is rotatably arranged between the middle section plates of the upper isolating side plates, and two sides of the upper isolating round roller are connected with bearings.
5. The upper isolating structure for the circuit breaker for the medium-voltage ring network switch equipment according to claim 4, wherein the upper isolating round roller surface irregular grooves are respectively provided with round roller circuit breaking pieces and round roller conducting strips.
6. The upper isolating structure for the circuit breaker for the medium-voltage ring network switch equipment according to claim 5, wherein an isolating joint is arranged on the inner rod of the main connecting rod, a movable contact is arranged above the isolating joint, a connecting piece is fixed below the isolating joint, and an upper isolating lifting plug for circuit breaking is inlaid below the connecting piece.
7. The isolating structure for a circuit breaker for medium voltage ring network switching equipment according to claim 6, wherein three isolating connectors, three movable contacts, three isolating lifting plugs and three hinge members are connected below each isolating lifting plug, and eccentric cams are embedded in the hinge members.
8. The upper isolating structure for a circuit breaker for medium voltage ring network switching equipment according to claim 7, wherein the hinge member is internally penetrated through a rotating shaft, a flange piece is nested on the surface of the rotating shaft, and one side of the rotating shaft is connected with the driven gear of the rotating shaft.
9. The upper isolation structure of the circuit breaker for the medium-voltage ring network switch equipment according to claim 8, wherein a spring seat is embedded between the upper isolation side plate and the side shell, and a spiral spring is installed in a groove of the spring seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321562265.1U CN220065534U (en) | 2023-06-16 | 2023-06-16 | Upper isolating structure of circuit breaker for medium-voltage ring network switch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321562265.1U CN220065534U (en) | 2023-06-16 | 2023-06-16 | Upper isolating structure of circuit breaker for medium-voltage ring network switch equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220065534U true CN220065534U (en) | 2023-11-21 |
Family
ID=88763811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321562265.1U Active CN220065534U (en) | 2023-06-16 | 2023-06-16 | Upper isolating structure of circuit breaker for medium-voltage ring network switch equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220065534U (en) |
-
2023
- 2023-06-16 CN CN202321562265.1U patent/CN220065534U/en active Active
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