CN220526810U - Circuit breaker switch - Google Patents
Circuit breaker switch Download PDFInfo
- Publication number
- CN220526810U CN220526810U CN202322178184.8U CN202322178184U CN220526810U CN 220526810 U CN220526810 U CN 220526810U CN 202322178184 U CN202322178184 U CN 202322178184U CN 220526810 U CN220526810 U CN 220526810U
- Authority
- CN
- China
- Prior art keywords
- isolation
- insulating
- circuit breaker
- pole
- breaker switch
- 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.)
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Links
- 238000002955 isolation Methods 0.000 claims abstract description 40
- 230000000712 assembly Effects 0.000 claims abstract description 12
- 238000000429 assembly Methods 0.000 claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000003068 static effect Effects 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 23
- 238000009413 insulation Methods 0.000 claims description 16
- 239000000428 dust Substances 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000004308 accommodation Effects 0.000 claims description 2
- 230000016507 interphase Effects 0.000 description 8
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 229910018503 SF6 Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to a circuit breaker switch, which comprises a machine frame, a main shaft, a solid-sealed pole assembly, three groups of cam assemblies, an isolation crank arm assembly and three static contacts, wherein the main shaft is rotatably arranged on the machine frame, the solid-sealed pole assembly comprises an insulating pole seat arranged on the machine frame and three vacuum arc-extinguishing chambers respectively arranged in the insulating pole seat, the three groups of cam assemblies are respectively connected to pull rods of the three vacuum arc-extinguishing chambers, the isolation crank arm assembly comprises an insulating isolation shaft which is rotatably arranged on the machine frame, three isolation blades which are respectively rotatably arranged on connecting pieces of the three vacuum arc-extinguishing chambers, three jackets are arranged on the insulating isolation shaft corresponding to the three isolation blades, the three isolation blades are respectively arranged in the three jackets in a penetrating mode, and movable contacts exposed out of the three jackets are respectively arranged on the three isolation blades. The utility model has the advantages of stable and reliable performance, good insulating performance, convenient assembly and high safety.
Description
Technical Field
The utility model relates in particular to a circuit breaker switch.
Background
The ring main unit is a group of electric equipment for power transmission and distribution, is arranged in a metal or nonmetal insulation cabinet body or is made into an electric equipment for assembling the interval ring main power supply unit, and generally adopts sulfur hexafluoride gas, environment-friendly gas or epoxy resin as an insulation medium. Aiming at the rapidly-developed power industry, the adoption of environment-friendly gas as an insulating medium is an important trend of future development of the switch industry. The existing breaker switch used in the environment-friendly gas cabinet has the advantage of maintenance-free property. The switch adopts a normal pressure sealed box structure, has no threat of gas leakage, can effectively isolate pollution of external pollutants, dust and acid mist, ensures the cleanness and the service life of the running environments of the busbar, the circuit breaker, the isolation knife and the grounding knife, and realizes the purpose of maintenance-free, thereby greatly reducing the investment of operation and maintenance management of the distribution network. The structural design of the existing breaker switch is complex, the size is large, the modularized structural design cannot be integrated, the assembly is complex, and the breaker switch has the defects of poor insulating property and low safety.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the breaker switch which has stable and reliable performance, good insulating performance, convenient assembly and high safety.
In order to achieve the above purpose, the utility model adopts a circuit breaker switch, which comprises a machine frame, a main shaft rotationally arranged on the machine frame, a solid-sealed pole assembly arranged on the machine frame, three groups of cam assemblies which are arranged on the main shaft in a linkage way and are used for driving the solid-sealed pole assembly to execute opening and closing actions, an isolation crank arm assembly rotationally arranged on the machine frame and electrically connected with the solid-sealed pole assembly, and three static contacts which are arranged on the machine frame and matched with the isolation crank arm assembly, wherein the solid-sealed pole assembly comprises an insulation pole seat arranged on the machine frame and three vacuum arc-extinguishing chambers respectively arranged in the insulation pole seat, the three groups of cam assemblies are respectively connected to pull rods of the three vacuum arc-extinguishing chambers, the isolation crank arm assembly comprises an insulation isolation shaft rotationally arranged on the machine frame, three isolation blades respectively rotationally arranged on connecting pieces of the three vacuum arc-extinguishing chambers, three protection blades are respectively arranged on the insulation isolation shaft corresponding to the three isolation blades, three isolation blades respectively penetrate through the three protection sleeves, and three isolation blades are respectively provided with three movable contacts exposed on the three protection blades.
The beneficial effects of the structure are as follows: three vacuum interrupter are integrated on insulating utmost point post seat, adopt the solid utmost point post subassembly that seals of modularized structural design, be convenient for the assembly of solid utmost point post subassembly and machine frame, structural design is more simplified, compact, and the volume is littleer, and insulating properties is better. The three isolation blades are arranged in the sheath of the insulating isolation shaft in a penetrating mode, the inter-phase insulation distance between the three isolation blades can be increased, the insulating performance is better, and the action synchronism of the three isolation blades can be guaranteed. Therefore, the breaker switch has the advantages of stable and reliable performance, good insulating performance, convenience in assembly and high safety.
The cam assembly comprises a fixing seat arranged between a main shaft and an insulating pole holder, two transmission cam pieces, a bolt arranged on a pull rod and an over-travel spring sleeved on the pull rod, wherein the two transmission cam pieces are arranged on the main shaft in a linkage manner at two sides of the corresponding fixing seat, guide holes matched with the bolt are formed in the transmission cam pieces, two transmission rollers are respectively arranged at two ends of the bolt, the two transmission rollers are respectively arranged in the guide holes of the two transmission cam pieces in a sliding manner, and silica gel rings separated among the transmission cam pieces of the cam assemblies are respectively arranged on the main shaft. The silicon rubber ring can increase the inter-phase insulation distance between the transmission cam plates of the cam assemblies, and the inter-phase insulation performance is better.
Particularly, the pull rod on be provided with the flexible coupling, flexible coupling one end extend in the accommodation groove of insulating utmost point post seat, and be provided with the binding screw that is connected with the fixing base on the flexible coupling one end, insulating utmost point post seat on be provided with the dust cover of shroud on flexible coupling, binding screw. Soft connection, fixing base set up in the storage tank of insulating utmost point post seat, insulating properties is better, and the dust cover can play dustproof effect, and the dust cover can avoid soft connection, binding screw to expose, can increase the interphase insulating properties between the three cam components of group.
Particularly, the dust cover is provided with a clamping hook, the insulating pole base is provided with a clamping hole matched with the clamping hook, and the clamping hook is clamped in the clamping hole and is matched with the insulating pole base in a clamping way. The dust cover and the mechanism frame are assembled in a clamping and matching mode, so that the assembly efficiency of the dust cover and the mechanism frame is higher.
Specifically, the grounding contact assembly matched with the three isolating knives is arranged on the machine frame and comprises a grounding bracket arranged on the machine frame, a grounding copper bar arranged on the grounding bracket and three grounding contacts matched with the three isolating knives, wherein the three grounding contacts are respectively arranged on the grounding copper bar. The grounding contact assembly adopts a modularized structural design, so that the modularized assembly of the grounding contact assembly and the mechanical framework can be realized, and the three-station function of the breaker switch can be realized by the grounding contact assembly.
Specifically, the two ends of the mechanical frame corresponding to the insulating isolation shaft are respectively provided with an oilless bearing, and the two ends of the insulating isolation shaft are respectively clamped in the oilless bearings. The insulating isolating shaft is connected with the mechanism frame through the oilless bearing, so that the insulating isolating shaft and the mechanism frame are more firmly connected, and the insulating isolating shaft rotates more reliably.
Drawings
Fig. 1 is a perspective view of an embodiment of the present utility model.
Fig. 2 is an exploded view of an embodiment of the present utility model.
Fig. 3 is a cross-sectional view of an embodiment of the present utility model.
Detailed Description
As shown in fig. 1 to 3, an embodiment of the present utility model is a circuit breaker switch, including a machine frame 10, a main shaft 11 rotatably disposed on the machine frame 10, a solid-sealed pole assembly 20 disposed on the machine frame 10, three cam assemblies 30 linked on the main shaft 11 and used for driving the solid-sealed pole assembly 20 to perform a switching action, an isolating crank arm assembly 40 rotatably disposed on the machine frame 10 and electrically connected with the solid-sealed pole assembly 20, three stationary contacts 12 disposed on the machine frame 10 and cooperating with the isolating crank arm assembly 40, the solid-sealed pole assembly 20 includes an insulating pole seat 21 disposed on the machine frame 10, three vacuum arc extinguishing chambers 22 respectively disposed in the insulating pole seat 21, the three cam assemblies 30 are respectively connected on pull rods 221 of the three vacuum arc extinguishing chambers 22, the isolating crank arm assembly 40 includes an insulating isolating shaft 41 rotatably disposed on the machine frame 10, three isolating blades 42 respectively rotatably disposed on connecting pieces 222 of the three vacuum arc extinguishing chambers 22, the isolating blades 42 are respectively disposed on the three isolating shaft 41 and the three isolating blades 42 are respectively exposed on the three insulating sheaths 411. The cam assembly 30 comprises a fixed seat 31 arranged between the main shaft 11 and the insulating pole holder 21, two transmission cam pieces 32 which are correspondingly arranged on the two sides of the fixed seat 31 in a linkage manner, a bolt 33 arranged on a pull rod 221 and an over-travel spring 34 sleeved on the pull rod 221, wherein the transmission cam pieces 32 are provided with guide holes 321 matched with the bolt 33, two transmission rollers 35 are respectively arranged at two ends of the bolt 33, the two transmission rollers 35 are respectively arranged in the guide holes 321 of the two transmission cam pieces 32 in a sliding manner, and the main shaft 11 is respectively provided with a silica gel ring 13 which is separated between the transmission cam pieces 32 of the cam assembly 30. The silicon rubber ring can increase the inter-phase insulation distance between the transmission cam plates of the cam assemblies, and the inter-phase insulation performance is better.
As shown in fig. 2, the pull rod 221 is provided with a flexible connection 14, one end of the flexible connection 14 extends into the accommodating groove 210 of the insulating pole holder 21, one end of the flexible connection 14 is provided with a binding screw 15 connected with the fixing seat 31, and the insulating pole holder 21 is provided with a dust cover 16 covering the flexible connection 14 and the binding screw 15. Soft connection, fixing base set up in the storage tank of insulating utmost point post seat, insulating properties is better, and the dust cover can play dustproof effect, and the dust cover can avoid soft connection, binding screw to expose, can increase the interphase insulating properties between the three cam components of group. The dust cover 16 is provided with a clamping hook 161, the insulating pole base 21 is provided with a clamping hole 211 matched with the clamping hook 161, and the clamping hook 161 is clamped in the clamping hole 211 and forms clamping fit between the dust cover 16 and the insulating pole base 21. The dust cover and the mechanism frame are assembled in a clamping and matching mode, so that the assembly efficiency of the dust cover and the mechanism frame is higher.
As shown in fig. 2 and 3, the mechanism frame 10 is provided with a ground contact assembly 50 matched with the three isolating knives 42, the ground contact assembly 50 comprises a ground bracket 51 arranged on the mechanism frame 10, a ground copper bar 52 arranged on the ground bracket 51, and three ground contacts 53 matched with the three isolating knives 42, and the three ground contacts 53 are respectively arranged on the ground copper bar 52. The grounding contact assembly adopts a modularized structural design, so that the modularized assembly of the grounding contact assembly and the mechanical framework can be realized, and the three-station function of the breaker switch can be realized by the grounding contact assembly. The two ends of the mechanical frame 10 corresponding to the insulating isolating shafts 41 are respectively provided with an oilless bearing 17, and the two ends of the insulating isolating shafts 41 are respectively clamped in the oilless bearings 17. The insulating isolating shaft is connected with the mechanism frame through the oilless bearing, so that the insulating isolating shaft and the mechanism frame are more firmly connected, and the insulating isolating shaft rotates more reliably.
Three vacuum interrupter are integrated on insulating utmost point post seat, adopt the solid utmost point post subassembly that seals of modularized structural design, be convenient for the assembly of solid utmost point post subassembly and machine frame, structural design is more simplified, compact, and the volume is littleer, and insulating properties is better. The three isolation blades are arranged in the sheath of the insulating isolation shaft in a penetrating mode, the inter-phase insulation distance between the three isolation blades can be increased, the insulating performance is better, and the action synchronism of the three isolation blades can be guaranteed. Therefore, the breaker switch has the advantages of stable and reliable performance, good insulating performance, convenience in assembly and high safety.
Claims (6)
1. A circuit breaker switch, characterized by: the device comprises a machine framework, a main shaft arranged on the machine framework in a rotating mode, a solid-sealed pole assembly arranged on the machine framework, three groups of cam assemblies which are arranged on the main shaft in a linkage mode and used for driving the solid-sealed pole assembly to execute opening and closing actions, an isolation crank arm assembly which is arranged on the machine framework in a rotating mode and is electrically connected with the solid-sealed pole assembly, and three static contacts which are arranged on the machine framework and are matched with the isolation crank arm assembly, wherein the solid-sealed pole assembly comprises an insulation pole seat arranged on the machine framework and three vacuum arc-extinguishing chambers which are respectively arranged in the insulation pole seat, the three groups of cam assemblies are respectively connected onto pull rods of the three vacuum arc-extinguishing chambers, the isolation crank arm assembly comprises an insulation isolation shaft which is arranged on the machine framework in a rotating mode, three isolation knives which are respectively arranged on connecting pieces of the three vacuum arc-extinguishing chambers in a rotating mode, three jackets are arranged on the insulation isolation shaft in a corresponding mode, the three isolation knives are respectively arranged in the three jackets in a penetrating mode, and the three isolation knives are respectively provided with movable contacts exposed out of the three jackets.
2. The circuit breaker switch of claim 1 wherein: the cam assembly comprises a fixed seat arranged between a main shaft and an insulating pole holder, two transmission cam pieces, a bolt and an over-travel spring, wherein the two transmission cam pieces are arranged on the main shaft, the bolt is arranged on a pull rod, the over-travel spring is sleeved on the pull rod, the transmission cam pieces are provided with guide holes matched with the bolt, two ends of the bolt are respectively provided with a transmission roller, the two transmission rollers are respectively arranged in the guide holes of the two transmission cam pieces in a sliding mode, and silica gel rings which are separated among the transmission cam pieces of the cam assemblies are respectively arranged on the main shaft.
3. The circuit breaker switch of claim 2, wherein: the pull rod on be provided with the flexonics, flexonics one end extend in the accommodation groove of insulating utmost point post seat, and be provided with the binding screw that is connected with the fixing base on the flexonics one end, insulating utmost point post seat on be provided with the dust cover of shroud on flexonics, binding screw.
4. A circuit breaker switch according to claim 3, wherein: the dustproof cover is provided with a clamping hook, the insulating pole base is provided with a clamping hole matched with the clamping hook, the clamping hook is clamped in the clamping hole, and the dustproof cover is matched with the insulating pole base in a clamping way.
5. A circuit breaker switch according to claim 1 or 2, characterized in that: the machine frame on be provided with the ground contact subassembly that cooperatees with three isolation sword, the ground contact subassembly include the ground connection support that sets up on the machine frame, set up the ground connection copper bar on the ground connection support, with three isolation sword matched with three ground contact, three ground contact set up respectively on the ground connection copper bar.
6. A circuit breaker switch according to claim 1 or 2, characterized in that: the oil-free bearing is arranged at the two ends of the mechanical frame corresponding to the insulating isolation shaft respectively, and the two ends of the insulating isolation shaft are clamped in the oil-free bearing respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322178184.8U CN220526810U (en) | 2023-08-14 | 2023-08-14 | Circuit breaker switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322178184.8U CN220526810U (en) | 2023-08-14 | 2023-08-14 | Circuit breaker switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220526810U true CN220526810U (en) | 2024-02-23 |
Family
ID=89935259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322178184.8U Active CN220526810U (en) | 2023-08-14 | 2023-08-14 | Circuit breaker switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220526810U (en) |
-
2023
- 2023-08-14 CN CN202322178184.8U patent/CN220526810U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 16, Wanhong Road, Zhongfang Intelligent Park, Beibaixiang Town, Yueqing City, Wenzhou City, Zhejiang Province, 325603 Patentee after: Bohai Electromechanical Technology Group Co.,Ltd. Country or region after: China Address before: No. 16, Wanhong Road, Zhongfang Intelligent Park, Beibaixiang Town, Yueqing City, Wenzhou City, Zhejiang Province, 325603 Patentee before: Bohai Electromechanical Technology Co.,Ltd. Country or region before: China |