CN201622972U - Spring operating mechanism for vacuum circuit breaker in inflatable high-voltage switchgear - Google Patents
Spring operating mechanism for vacuum circuit breaker in inflatable high-voltage switchgear Download PDFInfo
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- CN201622972U CN201622972U CN2009202745386U CN200920274538U CN201622972U CN 201622972 U CN201622972 U CN 201622972U CN 2009202745386 U CN2009202745386 U CN 2009202745386U CN 200920274538 U CN200920274538 U CN 200920274538U CN 201622972 U CN201622972 U CN 201622972U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 83
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 239000011553 magnetic fluid Substances 0.000 claims abstract description 11
- 238000004146 energy storage Methods 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 15
- 239000007787 solid Substances 0.000 claims description 13
- 230000007704 transition Effects 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 5
- 230000007547 defect Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003466 welding 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 relates to a spring operating mechanism for a vacuum circuit breaker in an inflatable high-voltage switching device with an operating mechanism body and a main drive shaft integrated in a mechanism case. The spring operating mechanism comprises an operating mechanism body and a drive component thereof. In the improved structure, the output of the operating mechanism body comprises a group of five-connecting-rod mechanisms connected with the crank arm of the main drive shaft through a universal joint. Since the switching-on/off component and the main drive shaft are coupled through the crank arm, the pull rod at the dynamic end of the vacuum arc-extinguishing chamber and the drive shaft in the air chamber are also coupled through the crank arm, and the main drive shaft and the drive shaft in the air chamber are coupled through a magnetic fluid dynamic-sealing component in a rotating way, the utility model effectively overcomes the defects of the direct-action type operation of the conventional spring operating mechanism of the vacuum circuit breaker and solves the problem of air leakage due to the poor air-tightness of the air chamber. Therefore, the utility model has broad prospects in application and realizes the purposes of changing the movement direction and easing the operating impact.
Description
[technical field]
The utility model relates to vacuum circuit-breaker in a kind of gas-filled type high voltage switchgear, refers in particular to a kind of spring operating mechanism that is used for vacuum circuit-breaker in the gas-filled type high voltage switchgear.
[background technology]
In high voltage electrical apparatus technical field, AC high voltage vacuum breaker is the most frequently used a kind of three-phase alternating current indoor high-voltage vacuum switchgear.High-pressure aerated formula switchgear since have its high reliability, non-maintaining, the life-span is long, volume advantages such as little (floor spaces be ordinary tap equipment 1/2nd), rises existing all extensive uses of international and domestic all trades and professions in the nineties.Yet the vacuum circuit breaker operating mechanism that original switchgear is joined substantially all is the operation of spring Direct Action Type, and is 4 linkage plane operating mechanisms, thereby the kind of drive still is the plane transmission.The connecting rod middle part of the vacuum interrupter insulated tension pole of circuit breaker and the end welding of bellows, the other end of bellows be welded in one with sealing plate that air chamber is connected on, its main transmission arm directly makes the vacuum interrupter moved end insulated tension pole of vacuum circuit-breaker seesaw by the sylphon seal parts, the purpose that makes circuit breaker reach branch, close a floodgate.And along with the fast development in recent years of gas-filled type high voltage switchgear, because of its structure is by critical components such as vacuum interrupter in the major loop are sealed in the insulation gas filled casing, to reach reduced volume and to guarantee the insulation property that it is more superior, thereby and the quality that this type of vacuum circuit breaker operating mechanism that adopts straight moving interlock before and after the main transmission arm will certainly be when the main transmission arm move or behind the prolonged exercise crack or bellows itself occur at the seam crossing problem that plenum chamber leaks gas that causes insulating, as seen the direct-acting vacuum circuit breaker operating mechanism is difficult to reach highly reliable, long-life demand is needed improvement badly.4 rigidity that linkage produces vibrations simultaneously influence very greatly to the mechanical property of gas-filled type switchgear vacuum circuit-breaker, the action required merit is also bigger, thereby mechanism itself also is difficult to the requirement that reaches non-maintaining.
[summary of the invention]
The purpose of this utility model is to have overcome above-mentioned defective, provides a kind of and can realize operations linkage and the few high spring operating mechanism that is used for vacuum circuit-breaker in the gas-filled type high voltage switchgear of reliability of amount of parts simple in structure by rotating.
The purpose of this utility model is achieved in that a kind of spring operating mechanism that is used for vacuum circuit-breaker in the gas-filled type high voltage switchgear, its improvements are: operating mechanism body and final drive shaft are partially integrated in the mechanism case, it comprises operating mechanism body and drive disk assembly thereof: the output of operating mechanism is made up of one group of five-bar mechanism, links to each other with the final drive shaft connecting lever by a gimbal suspension; Final drive shaft becomes 90 ° to be fixed on mechanism case and the mechanism's fixed block with mechanism;
Mechanism body is mainly by electric motor assembly, worm gear, worm component, the switching-in spring energy storage component, energy storage retainer shaft assembly, the energy storage shaft assembly, combined floodgate retainer shaft assembly, the output shaft assembly, the separating brake trip assembley therefor, the transition axis assembly, ten functional units such as divide-shut brake final drive shaft are formed, motor wherein, worm gear, worm screw, the energy storage retainer shaft, the energy storage axle, output shaft, the separating brake trip shaft, eight functional units of transition axis all are fixed on two mounting panels of mechanism itself, switching-in spring one end hangs on the energy storage connecting lever, and the other end hangs on the hanging spring shaft on the mechanism case base plate.
Operating mechanism body five-bar mechanism is mainly by the output toggle arm on the output shaft, connect connecting lever, transmission crank arm on the transition axis, output toggle arm, main connecting lever on the final drive shaft is formed, output toggle arm front end on the output shaft is equipped with a roller, the motion of closing a floodgate is done in drive at energy storage axle overhead cam, the other end of output toggle arm be connected connecting lever and link to each other, the other end of connection connecting lever links to each other with the transmission crank arm on the transition axis, the other end of transmission crank arm links to each other with output toggle arm, the other end of output toggle arm links to each other by a gimbal suspension with main connecting lever on the final drive shaft, thereby forms the complete five-bar mechanism of a cover.
The outside running part of described operating mechanism mainly is made up of final drive shaft, magnetic fluid dynamic sealing assembly, air chamber intermediate solid drive shaft, shackle rod, spherical plain bearing rod end, circuit breaker main shaft, insulated tension pole.By connecting lever on the air chamber intermediate solid drive shaft, shackle rod, main connecting lever on the circuit breaker main shaft, insulated tension pole is formed four jointed gear units in the air chamber, the inner magnetic fluid dynamic sealing assembly that connects in the axle center of final drive shaft, the magnetic fluid dynamic sealing assembly is arranged between spring operating mechanism case and the air chamber, its other end links to each other with the air chamber intermediate solid drive shaft that is arranged in air chamber, the same interlock of air chamber intermediate solid drive shaft sidewall has a shackle rod that can move both vertically under its rotation situation to link, shackle rod links to each other with main connecting lever on the circuit breaker main shaft by a spherical plain bearing rod end, the circuit breaker main shaft is provided with three groups of connecting levers of corresponding three-phase vacuum breaker pole, thereby the moved end insulated tension pole of three vacuum interrupters can be socketed in the interlock control of accepting spring operating mechanism on three groups of connecting levers of main shaft simultaneously.
When mechanism closed a floodgate, tripping spring was stretched, and when separating brake was threaded off action, tripping spring made mechanism's separating brake.
Than common vacuum circuit-breaker spring operating mechanism, the beneficial effects of the utility model are to have adopted and close, divide between gate assembly and final drive shaft, adopt the connecting lever interlock between the moved end pull bar of vacuum interrupter and air chamber intermediate solid drive shaft, and be rotated interlock by the magnetic fluid dynamic sealing assembly between the gentle indoor power transmission shaft of final drive shaft, effectively overcome the Direct Action Type operating defect of vacuum circuit-breaker spring operating mechanism in the past, effectively avoided the not problem of good easy gas leakage of air chamber sealing, application prospect is boundless.
[description of drawings]
Below in conjunction with accompanying drawing in detail concrete structure of the present utility model is described in detail
Fig. 1 is the structure cutaway view 1 of the utility model spring operating mechanism and part charging compartment
Fig. 2 is final drive shaft of the present utility model and linkage portion separation structure schematic diagram thereof
Fig. 3 is the structure cutaway view of the utility model spring operating mechanism
Fig. 4 is the structure cutaway view 2 of the utility model spring operating mechanism and part charging compartment
[embodiment]
Below in conjunction with accompanying drawing the utility model specific embodiment is described in detail.
As Fig. 3, shown in Figure 4, the utility model relates to a kind of spring operating mechanism that is used for vacuum circuit-breaker in the gas-filled type high voltage switchgear, it comprises that the described mechanism body 300 that is installed in the operating mechanism case 100 is mainly by electric motor assembly 31, worm gear, worm component 32, switching-in spring energy storage component 33, energy storage retainer shaft assembly 34, energy storage shaft assembly 35, combined floodgate retainer shaft assembly 36, output shaft assembly 38, separating brake trip assembley therefor 40, transition axis assembly 42, ten functional units such as divide-shut brake final drive shaft 43 grades are formed, wherein motor 31, worm gear, worm screw 33, energy storage retainer shaft 34, energy storage axle 35, output shaft 38, separating brake trip shaft 40,42 8 functional units of transition axis all are fixed on two mounting panels of mechanism 300 itself, switching-in spring one end hangs on the energy storage connecting lever, and the other end hangs on the hanging spring shaft on mechanism case 100 base plates.Final drive shaft becomes 90 ° to be fixed on mechanism case 100 and the mechanism's fixed block 3 by holder 5 with mechanism.
As shown in Figure 3, Figure 4, the other direction of main connecting lever 27 is provided with tripping spring 44 on the described final drive shaft 43; The other end of tripping spring is loaded on the hanging spring shaft of mechanism case 100, and when mechanism closed a floodgate, tripping spring was stretched, and when separating brake was threaded off action, tripping spring made mechanism's separating brake.
As shown in Figure 4, described operating mechanism body five-bar mechanism mainly is made up of the main connecting lever 27 on the transmission crank arm 25 on the output toggle arm on the output shaft 23, connection connecting lever 24, the transition axis, output toggle arm 26, the final drive shaft.Output toggle arm 23 front ends on the output shaft are equipped with a roller 22, under the drive of energy storage axle overhead cam 22, do the motion of closing a floodgate, the other end of output toggle arm be connected connecting lever 24 and link to each other, the other end of connection connecting lever 24 links to each other with the transmission crank arm 25 on the transition axis, the other end of transmission crank arm 25 links to each other with output toggle arm 26, the other end of output toggle arm 26 links to each other by a gimbal suspension 4 with main connecting lever 27 on the final drive shaft, thereby forms the complete five-bar mechanism of a cover.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, the outside transmission of described operating mechanism.Mainly form by final drive shaft 43, magnetic fluid dynamic sealing assembly 45, air chamber intermediate solid drive shaft 46, shackle rod 7, spherical plain bearing rod end 8, circuit breaker main shaft 9, insulated tension pole 12.Form four jointed gear units in the air chamber by main connecting lever 13, insulated tension pole 12 on connecting lever 6, shackle rod 7, the circuit breaker main shaft 9 on the air chamber intermediate solid drive shaft.The inner magnetic fluid dynamic sealing assembly 45 that connects in the axle center of final drive shaft 43, magnetic fluid dynamic sealing assembly 45 is arranged between spring operating mechanism case 100 and the air chamber 200, its other end links to each other with the air chamber intermediate solid drive shaft 46 that is arranged in air chamber 200, the same interlock of air chamber intermediate solid drive shaft 46 sidewalls has a shackle rod 7 that can move both vertically under its rotation situation to link, shackle rod 7 links to each other with main connecting lever 13 on the circuit breaker main shaft 9 by a spherical plain bearing rod end 8, circuit breaker main shaft 9 is provided with three groups of connecting levers of corresponding three-phase vacuum breaker pole 10, thereby the moved end insulated tension pole 12 of three vacuum interrupters 11 can be socketed in the interlock control of accepting spring operating mechanism on three groups of connecting levers of main shaft 9 simultaneously.
It is to be noted; the utility model is not limited to above-mentioned execution mode; any simple modification, equivalent variations and modification that any those skilled in the art do the foregoing description in based on technical solutions of the utility model all belong in the protection range of the present utility model.
Claims (5)
1. spring operating mechanism that is used for vacuum circuit-breaker in the gas-filled type high voltage switchgear, it is characterized in that: operating mechanism body and final drive shaft are partially integrated in the mechanism case, it comprises operating mechanism body and drive disk assembly thereof: the output of operating mechanism is made up of one group of five-bar mechanism, links to each other with the final drive shaft connecting lever by a gimbal suspension; Final drive shaft becomes 90 ° to be fixed on mechanism case and the mechanism's fixed block with mechanism.
2. the spring operating mechanism that is used for vacuum circuit-breaker in the gas-filled type high voltage switchgear as claimed in claim 1, it is characterized in that: mechanism body is mainly by electric motor assembly, worm gear, worm component, the switching-in spring energy storage component, energy storage retainer shaft assembly, the energy storage shaft assembly, combined floodgate retainer shaft assembly, the output shaft assembly, the separating brake trip assembley therefor, the transition axis assembly, ten functional units such as divide-shut brake final drive shaft are formed, motor wherein, worm gear, worm screw, the energy storage retainer shaft, the energy storage axle, output shaft, the separating brake trip shaft, eight functional units of transition axis all are fixed on two mounting panels of mechanism itself, switching-in spring one end hangs on the energy storage connecting lever, and the other end hangs on the hanging spring shaft on the mechanism case base plate.
3. the spring operating mechanism that is used for vacuum circuit-breaker in the gas-filled type high voltage switchgear as claimed in claim 1, it is characterized in that: operating mechanism body five-bar mechanism is mainly by the output toggle arm on the output shaft, connect connecting lever, transmission crank arm on the transition axis, output toggle arm, main connecting lever on the final drive shaft is formed, output toggle arm front end on the output shaft is equipped with a roller, the motion of closing a floodgate is done in drive at energy storage axle overhead cam, the other end of output toggle arm be connected connecting lever and link to each other, the other end of connection connecting lever links to each other with the transmission crank arm on the transition axis, the other end of transmission crank arm links to each other with output toggle arm, the other end of output toggle arm links to each other by a gimbal suspension with main connecting lever on the final drive shaft, thereby forms the complete five-bar mechanism of a cover.
4. the spring operating mechanism that is used for vacuum circuit-breaker in the gas-filled type high voltage switchgear as claimed in claim 1, it is characterized in that: the outside running part of described operating mechanism, mainly form by final drive shaft, magnetic fluid dynamic sealing assembly, air chamber intermediate solid drive shaft, shackle rod, spherical plain bearing rod end, circuit breaker main shaft, insulated tension pole.By connecting lever on the air chamber intermediate solid drive shaft, shackle rod, main connecting lever on the circuit breaker main shaft, insulated tension pole is formed four jointed gear units in the air chamber, the inner magnetic fluid dynamic sealing assembly that connects in the axle center of final drive shaft, the magnetic fluid dynamic sealing assembly is arranged between spring operating mechanism case and the air chamber, its other end links to each other with the air chamber intermediate solid drive shaft that is arranged in air chamber, the same interlock of air chamber intermediate solid drive shaft sidewall has a shackle rod that can move both vertically under its rotation situation to link, shackle rod links to each other with main connecting lever on the circuit breaker main shaft by a spherical plain bearing rod end, the circuit breaker main shaft is provided with three groups of connecting levers of corresponding three-phase vacuum breaker pole, thereby the moved end insulated tension pole of three vacuum interrupters can be socketed in the interlock control of accepting spring operating mechanism on three groups of connecting levers of main shaft simultaneously.
5. the spring operating mechanism that is used for vacuum circuit-breaker in the gas-filled type high voltage switchgear as claimed in claim 1 is characterized in that the other direction of main connecting lever is provided with tripping spring on the final drive shaft; When mechanism closed a floodgate, tripping spring was stretched, and when separating brake was threaded off action, tripping spring made mechanism's separating brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202745386U CN201622972U (en) | 2009-12-08 | 2009-12-08 | Spring operating mechanism for vacuum circuit breaker in inflatable high-voltage switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202745386U CN201622972U (en) | 2009-12-08 | 2009-12-08 | Spring operating mechanism for vacuum circuit breaker in inflatable high-voltage switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201622972U true CN201622972U (en) | 2010-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202745386U Expired - Lifetime CN201622972U (en) | 2009-12-08 | 2009-12-08 | Spring operating mechanism for vacuum circuit breaker in inflatable high-voltage switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201622972U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104217890A (en) * | 2013-05-31 | 2014-12-17 | 国家电网公司 | Spring operating mechanism and high-voltage vacuum breaker |
| CN113270291A (en) * | 2021-05-25 | 2021-08-17 | 上海电器科学研究所（集团）有限公司 | Shock-resistant quick vacuum switch |
-
2009
- 2009-12-08 CN CN2009202745386U patent/CN201622972U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104217890A (en) * | 2013-05-31 | 2014-12-17 | 国家电网公司 | Spring operating mechanism and high-voltage vacuum breaker |
| CN104217890B (en) * | 2013-05-31 | 2017-06-09 | 国家电网公司 | A kind of spring operating mechanism and a kind of high-pressure vacuum breaker |
| CN113270291A (en) * | 2021-05-25 | 2021-08-17 | 上海电器科学研究所（集团）有限公司 | Shock-resistant quick vacuum switch |
| CN113270291B (en) * | 2021-05-25 | 2022-11-18 | 上海电器科学研究所（集团）有限公司 | Shock-resistant quick vacuum switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 Nanshan District, Guangdong, Prince Edward Road, sea view Plaza, E (-4) layer three () Patentee after: ASIA ELECTRICAL POWER EQUIPMENT (SHENZHEN) CO., LTD. Address before: 518000 Nanshan District, Guangdong, Prince Edward Road, sea view Plaza, E (-4) layer three () Patentee before: Asia Electrical Power Equipment (Shenzhen) Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20101103 |
|
| CX01 | Expiry of patent term |