CN103730288A - Double-transmission contact spring device for vacuum circuit breaker - Google Patents
Double-transmission contact spring device for vacuum circuit breaker Download PDFInfo
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- CN103730288A CN103730288A CN201410011603.1A CN201410011603A CN103730288A CN 103730288 A CN103730288 A CN 103730288A CN 201410011603 A CN201410011603 A CN 201410011603A CN 103730288 A CN103730288 A CN 103730288A
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- contact spring
- vacuum circuit
- assembly
- transmission contact
- sleeve
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- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The invention discloses a double-transmission contact spring device for a vacuum circuit breaker. The double-transmission contact spring device for the vacuum circuit breaker comprises a connecting rod, a connecting block, two connecting lever, two contact spring units and two guide plate. Each contact spring unit is provided with a hinge shaft; the connecting block is arranged on the connecting rod; one end of each connecting lever is hinged to the connecting block, and the other end of the connecting lever is hinged to the corresponding contact spring unit through the corresponding hinge shaft; the guide plates are provided with guide grooves, and the hinge shafts are inserted into the guide grooves of the corresponding guide plates in a penetrating mode. The double-transmission contact spring device for the vacuum circuit breaker can drive the two contact spring units simultaneously, guarantee the performance requirements of each contact spring unit, achieve adjustment of pressure and spacing of every break and meanwhile guarantee the opening simultaneity of two breaks on the same phase.
Description
Technical field
The present invention relates to two transmission contact spring arrangements for a kind of vacuum circuit-breaker, belong to electric equipment technical field.
Background technology
At present, the contact spring arrangement that vacuum circuit-breaker is conventional adopts a contact spring to drive two connecting levers by connecting rod, thereby the two connecting lever other ends respectively drive the moved end of vacuum interrupter to realize closing point of circuit breaker, its obvious defect is inconvenient debugging, the separating brake asynchrony of two incision positions is excessive, make vacuum switch when breaking current, will cause the significant difference of each fracture arcing time, cause that breaking course fracture voltage distributes inhomogeneous, not only make the electrical wear difference of each contact larger, more easily cause the even failure of interruption of restriking of vacuum arc.
Summary of the invention
Technical problem to be solved by this invention is the defect that overcomes prior art, two transmission contact spring arrangements for a kind of vacuum circuit-breaker are provided, it not only can drive two contact spring arrangements simultaneously, guaranteed the performance requirement of each contact spring arrangement, can realize the pressure of each incision position and open the adjustment of distance, and having guaranteed the separating brake synchronism of two incision positions on homophase.
In order to solve the problems of the technologies described above, technical scheme of the present invention is: two transmission contact spring arrangements for a kind of vacuum circuit-breaker, it comprises connecting rod, connects piece, two connecting levers, two contact spring arrangements and two guide plates, on contact spring arrangement, be provided with jointed shaft, connecting piece is arranged on connecting rod, one end of two connecting levers is respectively on the company's of being hinged on piece, the other end of connecting lever is hinged by jointed shaft and corresponding contact spring arrangement respectively, on described guide plate, have gathering sill, described jointed shaft interts in the gathering sill of corresponding guide plate.
Further, described contact spring arrangement comprises sleeve assembly, connecting axle and spring assembly, in described sleeve assembly, be provided with axocoel, on described connecting axle, be provided with the shaft shoulder, the two ends of connecting axle are through axocoel, and the shaft shoulder and spring assembly are positioned at axocoel, and one end and the shaft shoulder of described spring assembly offset, the other end of described spring assembly and the diapire of sleeve assembly offset, and described jointed shaft is arranged on sleeve assembly.
Further in order to adjust separately the initial pressure of a certain contact spring assembly, thereby only adjust the wherein opening characteristic of a certain incision position, and do not affect the opening characteristic of another incision position on homophase, reduce its asynchrony, described sleeve assembly comprises axle sleeve and nut block, and nut block is threaded connection on axle sleeve, nut block and axle sleeve form axocoel, and the described shaft shoulder is between nut block and spring assembly.
A kind of version of spring assembly is further provided, and described spring assembly is multiple disk springs that axially stack.
The distance that further stretches into movable end of vacuum arc extinguishing chamber in order to adjust connecting axle is controlled the end pressure of a certain contact spring assembly, the opening characteristic of adjusting incision position with this, is also provided with the nut that stretches into the distance of the moved end of vacuum interrupter for limiting connecting axle on connecting axle.
Adopted after technique scheme, contact spring arrangement of the present invention connects the position of piece on connecting rod by change and all can make the movable end of vacuum arc extinguishing chamber being connected with two connecting axles move along axis direction, realize each incision position pressure, open the adjustment of distance, this structure had both guaranteed that the pressure on each contact spring arrangement was close, can drive again two contact spring arrangements simultaneously, guaranteed the performance requirement of each contact spring arrangement, can adjust separately by rotating nut piece the opening characteristic of a certain incision position simultaneously, and do not affect the opening characteristic of another incision position on homophase, reduced asynchrony, debugging difficulty and cycle have been reduced, effectively improve and detect, the efficiency of debugging and the success rate of cut-offfing.
Accompanying drawing explanation
Fig. 1 is the structural representation of vacuum circuit-breaker of the present invention with two transmission contact spring arrangements;
Fig. 2 is the structural representation of contact spring arrangement of the present invention;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the connection diagram of vacuum circuit-breaker of the present invention with two transmission contact spring arrangements and movable end of vacuum arc extinguishing chamber.
Embodiment
For content of the present invention is more easily expressly understood, according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation below,
As shown in Fig. 1 ~ 3, two transmission contact spring arrangements for a kind of vacuum circuit-breaker, it comprises connecting rod 3, connect piece 4, two connecting levers 2, two contact spring arrangements 1 and two guide plates 5, on contact spring arrangement 1, be provided with jointed shaft 1-1, connecting piece 4 is arranged on connecting rod 3, one end of two connecting levers 2 is respectively on the company's of being hinged on piece 4, the other end of connecting lever 2 is hinged with corresponding contact spring arrangement 1 by jointed shaft 1-1 respectively, on described guide plate 5, have gathering sill 5-1, described jointed shaft 1-1 interts in the gathering sill 5-1 of corresponding guide plate 5.Connecting rod 3 can connect the pull bar 6 with insulator, pull bar 6 connects the bellows component 8 of vacuum circuit-breaker again, thereby make bellows component 8 drive pull bar 6 drivening rod 3 again, thereby drive again two connecting levers 2 to make move toward one another or the opposing motion on the guide rail of regulation of two contact spring arrangements 1, drive again the moved end contact of two vacuum interrupters or separate its quiet end, realizing separating brake or combined floodgate.
As shown in Figure 2,3, contact spring arrangement comprises sleeve assembly, connecting axle 1-2 and spring assembly 1-3, in sleeve assembly, be provided with axocoel 1-4-1, on connecting axle 1-2, be provided with shaft shoulder 1-2-1, the two ends of connecting axle 1-2 are through axocoel 1-4-1, and shaft shoulder 1-2-1 and spring assembly 1-3 are positioned at axocoel 1-4-1, and one end of spring assembly 1-3 and shaft shoulder 1-2-1 offset, the other end of spring assembly 1-3 and the diapire of sleeve assembly offset, and jointed shaft 1-1 is arranged on sleeve assembly.
As shown in Figure 3, sleeve assembly comprises axle sleeve 1-4 and nut block 1-5, and nut block 1-5 is threaded connection on axle sleeve 1-4, and nut block 1-5 and axle sleeve 1-4 form axocoel 1-4-1, and shaft shoulder 1-2-1 is between nut block 1-5 and spring assembly 1-3.
As shown in Figure 3, spring assembly 1-3 is multiple disk springs that axially stack.
The distance that stretches into movable end of vacuum arc extinguishing chamber 10 in order to adjust connecting axle 1-2 is controlled the end pressure of a certain contact spring assembly, the opening characteristic of adjusting incision position with this, is also provided with the nut 1-6 and the bullet pad 1-7 that for limiting connecting axle 1-2, stretch into the distance of the moved end of vacuum interrupter on connecting axle 1-2.
Operation principle of the present invention is as follows:
Contact spring arrangement 1 of the present invention connects the position of piece 4 on connecting rod 3 by change and all can make the movable end of vacuum arc extinguishing chamber being connected with two connecting axle 1-2 move along axis direction, realize the pressure of each incision position, open the adjustment of distance, this structure had both guaranteed that the pressure on each contact spring arrangement 1 was close, can drive again two contact spring arrangements 1 simultaneously, guaranteed the performance requirement of each contact spring arrangement 1, can adjust separately by rotating nut piece 1-5 the initial pressure of a certain contact spring assembly simultaneously, the distance that stretches into again movable end of vacuum arc extinguishing chamber 10 by adjusting connecting axle 1-2 is controlled the end pressure of a certain contact spring assembly, with this, adjust the opening characteristic of incision position, and do not affect the opening characteristic of another incision position on homophase, reduced asynchrony, debugging difficulty and cycle have been reduced, effectively improve and detect, the efficiency of debugging and the success rate of cut-offfing.
Above-described specific embodiment; technical problem, technical scheme and beneficial effect that the present invention is solved further describe; institute is understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. two transmission contact spring arrangements for vacuum circuit-breaker, it is characterized in that: it comprises connecting rod (3), connect piece (4), two connecting levers (2), two contact spring arrangements (1) and two guide plates (5), on contact spring arrangement (1), be provided with jointed shaft (1-1), connecting piece (4) is arranged on connecting rod (3), one end of two connecting levers (2) is respectively on the company's of being hinged on piece (4), the other end of connecting lever (2) is hinged by jointed shaft (1-1) and corresponding contact spring arrangement (1) respectively, on described guide plate (5), have gathering sill (5-1), described jointed shaft (1-1) interts in the gathering sill (5-1) of corresponding guide plate (5).
2. two transmission contact spring arrangements for vacuum circuit-breaker according to claim 1, it is characterized in that: described contact spring arrangement comprises sleeve assembly, connecting axle (1-2) and spring assembly (1-3), in described sleeve assembly, be provided with axocoel (1-4-1), on described connecting axle (1-2), be provided with the shaft shoulder (1-2-1), the two ends of connecting axle (1-2) are through axocoel (1-4-1), the shaft shoulder (1-2-1) and spring assembly (1-3) are positioned at axocoel (1-4-1), one end and the shaft shoulder (1-2-1) of described spring assembly (1-3) offset, the other end of described spring assembly (1-3) and the diapire of sleeve assembly offset, described jointed shaft (1-1) is arranged on sleeve assembly.
3. two transmission contact spring arrangements for vacuum circuit-breaker according to claim 2, it is characterized in that: described sleeve assembly comprises axle sleeve (1-4) and nut block (1-5), and nut block (1-5) is threaded connection on axle sleeve (1-4), nut block (1-5) forms axocoel (1-4-1) with axle sleeve (1-4), and the described shaft shoulder (1-2-1) is positioned between nut block (1-5) and spring assembly (1-3).
4. two transmission contact spring arrangements for vacuum circuit-breaker according to claim 1 and 2, is characterized in that: described spring assembly (1-3) is multiple disk springs that axially stack.
5. according to two transmission contact spring arrangements for the vacuum circuit-breaker described in claim 2 or 3, it is characterized in that: on described connecting axle 1-2, be also provided with the nut 1-6 that stretches into the distance of movable end of vacuum arc extinguishing chamber (10) for limiting connecting axle 1-2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410011603.1A CN103730288B (en) | 2014-01-10 | 2014-01-10 | The two transmission contact spring arrangement of vacuum circuit-breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410011603.1A CN103730288B (en) | 2014-01-10 | 2014-01-10 | The two transmission contact spring arrangement of vacuum circuit-breaker |
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| Publication Number | Publication Date |
|---|---|
| CN103730288A true CN103730288A (en) | 2014-04-16 |
| CN103730288B CN103730288B (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410011603.1A Active CN103730288B (en) | 2014-01-10 | 2014-01-10 | The two transmission contact spring arrangement of vacuum circuit-breaker |
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| CN (1) | CN103730288B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105405712A (en) * | 2015-12-03 | 2016-03-16 | 平高集团有限公司 | Circuit breaker, transmission case and transmission mechanism of transmission case |
| CN105405711A (en) * | 2015-12-03 | 2016-03-16 | 平高集团有限公司 | Double-break vacuum circuit breaker |
| CN106373808A (en) * | 2016-08-31 | 2017-02-01 | 广州供电局有限公司 | Circuit breaker capable of breaking and closing simultaneously and elastic adjustment device thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08273501A (en) * | 1995-03-31 | 1996-10-18 | Mitsubishi Electric Corp | Vacuum circuit breaker |
| CN2343664Y (en) * | 1997-11-07 | 1999-10-13 | 北京开关厂 | Contact spring pressure device for vacuum circuit breaker |
| CN2750452Y (en) * | 2004-12-09 | 2006-01-04 | 虞旭海 | Serial outdoor vacuum circuit breaker |
| CN203733705U (en) * | 2014-01-10 | 2014-07-23 | 常州太平洋电力设备(集团)有限公司 | Double-transmission contact spring device for vacuum circuit breaker |
-
2014
- 2014-01-10 CN CN201410011603.1A patent/CN103730288B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08273501A (en) * | 1995-03-31 | 1996-10-18 | Mitsubishi Electric Corp | Vacuum circuit breaker |
| CN2343664Y (en) * | 1997-11-07 | 1999-10-13 | 北京开关厂 | Contact spring pressure device for vacuum circuit breaker |
| CN2750452Y (en) * | 2004-12-09 | 2006-01-04 | 虞旭海 | Serial outdoor vacuum circuit breaker |
| CN203733705U (en) * | 2014-01-10 | 2014-07-23 | 常州太平洋电力设备(集团)有限公司 | Double-transmission contact spring device for vacuum circuit breaker |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105405712A (en) * | 2015-12-03 | 2016-03-16 | 平高集团有限公司 | Circuit breaker, transmission case and transmission mechanism of transmission case |
| CN105405711A (en) * | 2015-12-03 | 2016-03-16 | 平高集团有限公司 | Double-break vacuum circuit breaker |
| WO2017092655A1 (en) * | 2015-12-03 | 2017-06-08 | 国家电网公司 | Double-break vacuum breaker |
| CN105405711B (en) * | 2015-12-03 | 2018-05-04 | 平高集团有限公司 | A kind of vacuum circuit breaker with double breaks |
| CN105405712B (en) * | 2015-12-03 | 2018-06-08 | 平高集团有限公司 | A kind of transmission mechanism of breaker and transmission case and transmission case |
| CN106373808A (en) * | 2016-08-31 | 2017-02-01 | 广州供电局有限公司 | Circuit breaker capable of breaking and closing simultaneously and elastic adjustment device thereof |
| CN106373808B (en) * | 2016-08-31 | 2019-12-24 | 广州供电局有限公司 | Breaker with synchronous opening and closing and elastic adjusting device thereof |
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| Publication number | Publication date |
|---|---|
| CN103730288B (en) | 2016-03-23 |
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Denomination of invention: Double transmission contact spring device for vacuum circuit breakers Effective date of registration: 20231201 Granted publication date: 20160323 Pledgee: Industrial and Commercial Bank of China Changzhou New Area Branch Pledgor: CHANGZHOU PACIFIC ELECTRIC POWER EQUIPMENT GROUP Co.,Ltd. Registration number: Y2023980068166 |