CN203839270U - Break-brake buffer device of outdoor high-voltage AC vacuum breaker - Google Patents
Break-brake buffer device of outdoor high-voltage AC vacuum breaker Download PDFInfo
- Publication number
- CN203839270U CN203839270U CN201420254322.4U CN201420254322U CN203839270U CN 203839270 U CN203839270 U CN 203839270U CN 201420254322 U CN201420254322 U CN 201420254322U CN 203839270 U CN203839270 U CN 203839270U
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- China
- Prior art keywords
- circuit breaker
- buffer device
- outdoor high
- vacuum breaker
- crank arm
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- 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.)
- Expired - Lifetime
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- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000005452 bending Methods 0.000 abstract 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000011176 pooling Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model belongs to the technical field of a high-voltage switchgear and specifically relates to a break-brake buffer device of an outdoor high-voltage AC vacuum breaker. The break-brake buffer device comprises a transmission connecting lever and an oil buffer, a rolling wheel is assembled on the transmission connecting lever through a pin, the transmission connecting lever is arranged in a vacuum breaker box body and is assembled on a bending plate through a pin, the bending plate is welded to a vaccum breaker support, the transmission connecting lever and an opening-closing drive main shaft connecting lever are connected through an adjusting screw rod and pins, the oil buffer is assembled on a fixing plate and is fastened by utilizing a nut, and the oil buffer fixing plate is welded to the vacuum breaker box body. The utility model provides the break-brake buffer device which has the advantages of simple and reliable structure, convenient adjustments, the smooth break-brake buffer process, the small rebound and the prolonged service life, of the outdoor high-voltage AC vacuum breaker.
Description
Technical field
The utility model belongs to the technical field of high voltage switchgear, relates generally to a kind of outdoor high-voltage alternating-current vacuum breaker, is a kind of outdoor high-voltage alternating-current vacuum breaker brake separating buffer device specifically.
Background technology
Along with the development of electric power system, electric network composition and part throttle characteristics are day by day numerous and diverse, and the raising day by day requiring for the security reliability of electric power system, has also proposed stricter requirement.Its separating brake merit of outdoor high-voltage alternating-current vacuum breaker of using at electric line, the impingement phenomenon make when separating brake minute, the generation of combined floodgate driving main shaft being very large, even if vacuum circuit-breaker produces rebound phenomena in various degree in separating brake process.Facts have proved that bounce-back may cause: (1) reduces the mechanical endurance of vacuum interrupter; (2) the indoor contact burning of vacuum extinction is serious, even melting welding; (3) vacuum arc extinguishing chamber corrugated tube stands forced vibration and may crack, and makes arc control device gas leakage, reduces insulation level, even burns; (4) vacuum circuit-breaker of fitting with capacitor group also can cause the damage of capacitor as there is separating brake bounce-back.Only depend on traditional silicone rubber pad to do brake separating buffer device, aging along with silicone rubber pad, its security reliability can reduce gradually.In order to improve the quality of vacuum circuit-breaker, reduce the separating brake bounce-back of vacuum circuit-breaker, it is necessary improving splitting lock cushioning performance.
Summary of the invention
The utility model object is to provide a kind of simple and reliable for structure, easy to adjust, and splitting lock cushioning process steadily, outdoor high-voltage alternating-current vacuum breaker brake separating buffer device little, that increase the service life rebounds.
The utility model is achieved through the following technical solutions:
An outdoor high-voltage alternating-current vacuum breaker brake separating buffer device, it comprises circuit breaker case, is provided with circuit breaker deciliter driving main shaft in described circuit breaker case, it is characterized in that:
One transmission crank arm middle part pivot is fixed on described circuit breaker case, and one end of described transmission crank arm is pivotally connected in described circuit breaker deciliter driving main shaft; One oil bumper is also set, when described oil bumper is arranged on the pivoting point rotation being connected with described circuit breaker case around it when described transmission crank arm, on the free-ended stroke of described transmission crank arm in described circuit breaker case.
Preferably, the adjusting screw(rod) that is threaded along its length on the top of described circuit breaker deciliter driving main shaft, described adjusting screw(rod) connects described transmission crank arm by pin.
Preferably, described transmission crank arm free end is provided with a roller rotationally by pin.
Preferably, an antinose-dive leg perpendicular to described circuit breaker deciliter driving main shaft is set in described circuit breaker case, described bent plate is welded on described antinose-dive leg.
Preferably, described oil bumper is assemblied on fixed head by nut, and described fixed head is welded on the end of described circuit breaker case.
Preferably, described transmission crank arm is fixed on described bent plate by pin.
Wherein, oil bumper is the current technology of maturation, is a hydraulic structure with piston, can in mechanical movement, play the effect of buffering.
Accompanying drawing explanation
Fig. 1 is the "on" position schematic diagram of an embodiment of the utility model;
Fig. 2 is the partial enlarged drawing at D place in Fig. 1.
Fig. 3 is the gate-dividing state schematic diagram of an embodiment of the utility model;
Fig. 4 is the partial enlarged drawing at E place in Fig. 3.
Wherein 1 is vacuum circuit-breaker casing, and 2 is circuit breaker deciliter driving main shaft, and 3 is antinose-dive leg, and 4 is adjusting screw(rod), and 5 is bent plate, and 6 is pin, and 7 is transmission crank arm, and 8 is roller, and 9 is pin, and 10 is oil bumper, and 11 is fixed head, and 12 is pin.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can more be become apparent, below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
Set forth detail in the following description so that fully understand the utility model.But the utility model can be different from alternate manner described here and implements with multiple, and those skilled in the art can do similar popularization without prejudice to the utility model intension in the situation that.Therefore the utility model is not subject to the restriction of following public embodiment.
Referring to Fig. 1 and Fig. 2, outdoor high-voltage alternating-current vacuum breaker is in "on" position, and in making process, circuit breaker deciliter driving main shaft 2 drives adjusting screw(rod) 4 interlock transmission crank arm 7 to be rotated counterclockwise, and makes roller 8 leave oil bumper 10.Adjusting screw(rod) 4 can, according to the size of hydraulic pressure, regulate the stroke of oil bumper buffering 10: rotation adjusting screw(rod) 4, and transmission crank arm 7 is clockwise rotated, the more close oil bumper 10 of roller 8 on it, thus more early enter buffer stage; Otherwise, the more late buffer stage that enters.
Referring to Fig. 3 and Fig. 4, outdoor high-voltage alternating-current vacuum breaker is in gate-dividing state, in separating brake process, circuit breaker deciliter driving main shaft 2 drives adjusting screw(rod) 4 interlock transmission crank arm 7 to turn clockwise, roller 8 is resisted against on oil bumper 10, and press down the piston of oil bumper 10, utilize the hydraulic effect of oil bumper 10, the pooling feature while realizing separating brake.
Although the utility model with preferred embodiment openly as above; but it is not for limiting the utility model; any those skilled in the art are not within departing from spirit and scope of the present utility model; can utilize method and the technology contents of above-mentioned announcement to make possible change and modification to technical solutions of the utility model; therefore; every content that does not depart from technical solutions of the utility model; any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present utility model, all belong to the protection range of technical solutions of the utility model.
Claims (6)
1. an outdoor high-voltage alternating-current vacuum breaker brake separating buffer device, it comprises circuit breaker case (1), is provided with circuit breaker deciliter driving main shaft (2) in described circuit breaker case (1), it is characterized in that:
It is upper that one transmission crank arm (7) middle part pivot is fixed on described circuit breaker case (1), and one end of described transmission crank arm (7) is pivotally connected in described circuit breaker deciliter driving main shaft (2); One oil bumper (10) is also set in described circuit breaker case (1), when described oil bumper (10) is arranged on the pivoting point rotation being connected with described circuit breaker case (1) around it when described transmission crank arm (7), on the free-ended stroke of described transmission crank arm (7).
2. outdoor high-voltage alternating-current vacuum breaker brake separating buffer device as claimed in claim 1, it is characterized in that: the adjusting screw(rod) (4) that is threaded along its length on the top of described circuit breaker deciliter driving main shaft (2), described adjusting screw(rod) (4) connects described transmission crank arm (7) by pin (12).
3. outdoor high-voltage alternating-current vacuum breaker brake separating buffer device as claimed in claim 2, is characterized in that:
Described transmission crank arm (7) free end is provided with a roller (8) rotationally by pin (9).
4. outdoor high-voltage alternating-current vacuum breaker brake separating buffer device as claimed in claim 3, it is characterized in that: an antinose-dive leg (3) perpendicular to described circuit breaker deciliter driving main shaft (2) is set in described circuit breaker case (1), and bent plate (5) is welded on described antinose-dive leg (3).
5. outdoor high-voltage alternating-current vacuum breaker brake separating buffer device as claimed in claim 4, is characterized in that:
It is upper that described oil bumper (10) is assemblied in fixed head (11) by nut, and described fixed head (11) is welded on the end of described circuit breaker case (1).
6. outdoor high-voltage alternating-current vacuum breaker brake separating buffer device as claimed in claim 5, is characterized in that: described transmission crank arm (7) is fixed on described bent plate (5) by pin (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420254322.4U CN203839270U (en) | 2014-05-19 | 2014-05-19 | Break-brake buffer device of outdoor high-voltage AC vacuum breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420254322.4U CN203839270U (en) | 2014-05-19 | 2014-05-19 | Break-brake buffer device of outdoor high-voltage AC vacuum breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203839270U true CN203839270U (en) | 2014-09-17 |
Family
ID=51517080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420254322.4U Expired - Lifetime CN203839270U (en) | 2014-05-19 | 2014-05-19 | Break-brake buffer device of outdoor high-voltage AC vacuum breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203839270U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252149A (en) * | 2016-08-31 | 2016-12-21 | 合保电气（芜湖）有限公司 | Outdoor vacuum circuit breaker |
| CN108987178A (en) * | 2017-06-02 | 2018-12-11 | 河南华盛隆源电气有限公司 | A kind of transmission device and the breaker using the transmission device |
| CN117153618A (en) * | 2023-09-14 | 2023-12-01 | 西安高压电器研究院股份有限公司 | Device for limiting switching-off rebound of high-voltage vacuum switch, high-voltage vacuum switch and switching-off method thereof |
-
2014
- 2014-05-19 CN CN201420254322.4U patent/CN203839270U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252149A (en) * | 2016-08-31 | 2016-12-21 | 合保电气（芜湖）有限公司 | Outdoor vacuum circuit breaker |
| CN108987178A (en) * | 2017-06-02 | 2018-12-11 | 河南华盛隆源电气有限公司 | A kind of transmission device and the breaker using the transmission device |
| CN117153618A (en) * | 2023-09-14 | 2023-12-01 | 西安高压电器研究院股份有限公司 | Device for limiting switching-off rebound of high-voltage vacuum switch, high-voltage vacuum switch and switching-off method thereof |
| CN117153618B (en) * | 2023-09-14 | 2024-05-07 | 西安高压电器研究院股份有限公司 | Device for limiting switching-off rebound of high-voltage vacuum switch, high-voltage vacuum switch and switching-off method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |