CN203774167U - Miniature vacuum-circuit-breaker spring operation mechanism - Google Patents
Miniature vacuum-circuit-breaker spring operation mechanism Download PDFInfo
- Publication number
- CN203774167U CN203774167U CN201420116119.0U CN201420116119U CN203774167U CN 203774167 U CN203774167 U CN 203774167U CN 201420116119 U CN201420116119 U CN 201420116119U CN 203774167 U CN203774167 U CN 203774167U
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- Prior art keywords
- energy storage
- spring
- combined floodgate
- energy
- maintainance block
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- Expired - Lifetime
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- 238000004146 energy storage Methods 0.000 claims abstract description 101
- 238000005096 rolling process Methods 0.000 claims description 7
- 230000002596 correlated effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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 a miniature vacuum-circuit-breaker spring operation mechanism which includes a front plate, a rear plate, a gear driving module, an energy storage maintaining module and a switching-on maintaining module. Each module is arranged between the front plate and the rear plate. An energy storage hanging spring shaft and a switching-off hanging spring shaft on the rear plate are adjacent in position and on the same side. The gear driving module includes an input gear and an energy storage gear. The energy storage maintaining module includes an energy storage spring, an energy storage connecting lever, a cam, an energy storage maintaining block and a switching-on half shaft. The switching-on maintaining module includes a switching-on connecting lever, a switching-on maintaining block, a switching-off half shaft and a switching-off spring. In the miniature vacuum-circuit-breaker spring operation mechanism, the spring modules are concentrated and the mechanism space is arranged compactly so that the size of the mechanism is significantly reduced. At the same time, the energy storage maintaining module, the gear driving module and the switching-on maintaining module are concentrated and mutually correlated and the assembly is compact so that space is saved significantly for the mechanism and spring operation mechanism linkage and secondary-component arrangement are facilitated.
Description
Technical field
The utility model relates to a kind of circuit breaker, refers in particular to a kind of small-sized spring actuating mechanism of vacuum circuit-breaker.
Background technology
Conventionally; circuit breaker is so a kind of power equipment: its for detection of abnormal current with automatic shutdown circuit; thereby in the time such as there is the abnormal current such as overcurrent, short circuit current in circuit, can protect life, electric loading equipment and circuit not to be subject to the infringement of the burst current in the power supply circuits between power supply and load.
In prior art, as shown in Figure 1, one end of switching-in spring 10 connects energy-storage crank arm 20 and other end connection hanging spring shaft to breaker operation mechanism; One end of tripping spring 30 connect combined floodgate connecting lever 40 and the other end by nut locking on spring bearer plate.When energy-storage crank arm 20 rotates counterclockwise, drive the downward stretching energy storage of switching-in spring 10, and switching-in spring 10 energy storage after the certain angle of dead point puts and maintains in place.Switching-in spring 10 energy discharge, and can make breaker operation mechanism close a floodgate.Energy-storage crank arm 20 rotates and can drive cam 50 to rotate counterclockwise, and the connecting lever 40 that makes to close a floodgate clockwise rotates, thereby the tripping spring pull bar 60 being assemblied on combined floodgate connecting lever 40 moves upward and makes tripping spring 30 compressed energy-storages.In the time that tripping spring 30 energy discharge, can make breaker operation mechanism separating brake.
As mentioned above, because switching-in spring 10 and tripping spring 30 are to be separately positioned on upper and lower, therefore greatly take the space of short transverse, spring operating mechanism is taken up room greatly.
Therefore, the inventor designs a kind of small-sized spring actuating mechanism of vacuum circuit-breaker, and this case produces thus.
Utility model content
The purpose of this utility model is to provide a kind of small-sized spring actuating mechanism of vacuum circuit-breaker, spring operating mechanism is taken up room and reduce.
In order to reach above-mentioned purpose, solution of the present utility model is:
A small-sized spring actuating mechanism of vacuum circuit-breaker, comprises that header board, rear plate, gear drive module, energy storage keep module and close a floodgate keeping module, and modules is laid between front and rear panels; Rear plate is provided with energy storage hanging spring shaft, separating brake hanging spring shaft, power shaft, output shaft and energy storage axle, energy storage hanging spring shaft and homonymy adjacent with separating brake hanging spring shaft position;
Gear drive module is made up of input gear and energy storage gear, and input gear is connected with power shaft by unilateral bearing, and energy storage gear is arranged on energy storage axle, input gear and the engagement of energy storage gear;
Energy storage keeps module to comprise energy-stored spring, energy-storage crank arm, cam, energy storage maintainance block and combined floodgate semiaxis, one end of energy-stored spring connects energy storage hanging spring shaft and the other end is connected with one end of energy-storage crank arm, the other end of energy-storage crank arm and cam are installed on energy storage axle, energy-storage crank arm, cam are connected with coaxial energy storage gear key respectively, cam is provided with the bearing for energy storage maintainance block upper end butt, energy storage maintainance block is articulated in the middle below of rear plate, and energy storage maintainance block below is provided with the combined floodgate semiaxis for energy storage maintainance block lower end butt;
Close a floodgate and keep module to comprise combined floodgate connecting lever, combined floodgate maintainance block, separating brake semiaxis and tripping spring, combined floodgate connecting lever is arranged on output shaft, one end of combined floodgate connecting lever is provided with the roller coordinating with cam and the other end is provided with rolling bearing, the right side side of rear plate is provided with combined floodgate maintainance block, one end of combined floodgate maintainance block forms the closing magnet master part coordinating with rolling bearing, the below of combined floodgate maintainance block is provided with the separating brake semiaxis for combined floodgate maintainance block other end butt, and one end of tripping spring connects separating brake hanging spring shaft and other end connection combined floodgate connecting lever.
Mechanism also comprises buffer, and described combined floodgate connecting lever is spacing by buffer separating brake.
Adopt after such scheme, the fixed form of energy-stored spring of the present utility model and tripping spring is consistent with direction, the each own one end of energy-stored spring and tripping spring is fixed on hanging spring shaft, and the other end is fixed on parts separately, and the adjacent and homonymy of two hanging spring shafts is fixed.Switching-in spring and tripping spring are all extension spring, are subject to force direction consistent, and spring module is concentrated, and mechanism's space characteristics of compact layout, dwindles mechanism size greatly.Meanwhile, in the utility model, energy storage keeps module, gear drive module and closes a floodgate keeping concentrated and interrelated between module, and assembling is compact, for mechanism saves space greatly, is convenient to the layout of spring operating mechanism interlocking and Quadratic Finite Element device.
Brief description of the drawings
Fig. 1 is the principle schematic of prior art spring operating mechanism;
Fig. 2 is not energy storage state schematic diagram (hiding mechanism header board) of the utility model separating brake;
Fig. 3 is the utility model separating brake energy storage state schematic diagram (hiding mechanism header board);
Fig. 4 is the utility model not energy storage state schematic diagram (hiding mechanism header board) that closes a floodgate;
Fig. 5 is the utility model combined floodgate energy storage state schematic diagram (hiding mechanism header board);
Fig. 6 is the utility model combined floodgate energy storage state oblique view.
Label declaration
Switching-in spring 10, energy-storage crank arm 20, tripping spring 30, combined floodgate connecting lever 40, cam 50, tripping spring pull bar 60, rear plate 1, energy storage hanging spring shaft 11, separating brake hanging spring shaft 12, power shaft 13, output shaft 14, energy storage axle 15, input gear 2, energy storage gear 3, cam 31, bearing 311, energy-stored spring 32, roller 33, energy-storage crank arm 4, energy storage maintainance block 5, combined floodgate semiaxis 6, combined floodgate connecting lever 7, combined floodgate maintainance block 8, separating brake semiaxis 9, tripping spring 10.
Embodiment
As shown in Figures 2 to 6, a kind of small-sized spring actuating mechanism of vacuum circuit-breaker that the utility model discloses, comprises that header board, rear plate 1, gear drive module, energy storage keep module and close a floodgate keeping module, and modules is laid between front and rear panels 1.The rear plate 1 of this embodiment is provided with energy storage hanging spring shaft 11, separating brake hanging spring shaft 12, power shaft 13, output shaft 14 and energy storage axle 15, energy storage hanging spring shaft 11 and homonymy adjacent with separating brake hanging spring shaft 12 positions.
Gear drive module is made up of input gear 2 and energy storage gear 3, and input gear 2 is connected with power shaft 13 by unilateral bearing, and energy storage gear 3 is arranged on energy storage axle 15, and input gear 2 and energy storage gear 3 engage.
Energy storage keeps module to comprise energy-stored spring 32, energy-storage crank arm 4, cam 31, energy storage maintainance block 5 and combined floodgate semiaxis 6, one end of energy-stored spring 32 connects energy storage hanging spring shaft 11 and the other end is connected with one end of energy-storage crank arm 4, the other end of energy-storage crank arm 4 and cam 31 are installed on energy storage axle 15, energy-storage crank arm 4, cam 31 is connected with coaxial energy storage gear 3 keys respectively, cam 31 is provided with the bearing 311 for energy storage maintainance block 5 upper end butts, energy storage maintainance block 5 is articulated in the middle below of rear plate 1, energy storage maintainance block 5 belows are provided with the combined floodgate semiaxis 6 for energy storage maintainance block 5 lower end butts.
Close a floodgate and keep module to comprise combined floodgate connecting lever 7, combined floodgate maintainance block 8, separating brake semiaxis 9 and tripping spring 10, combined floodgate connecting lever 7 is arranged on output shaft 14, one end of combined floodgate connecting lever 7 is provided with the roller 33 coordinating with cam 31 and the other end is provided with rolling bearing 71, the right side side of rear plate 1 is provided with combined floodgate maintainance block 8, one end of combined floodgate maintainance block 8 forms the closing magnet master part 81 coordinating with rolling bearing 71, the below of combined floodgate maintainance block 8 is provided with the separating brake semiaxis 9 for combined floodgate maintainance block 8 other end butts, one end of tripping spring 10 connects separating brake hanging spring shaft 12 and other end connection combined floodgate connecting lever 7.Mechanism also comprises buffer, and the combined floodgate connecting lever 7 of this embodiment is spacing by buffer separating brake.
In use, in the time that mechanism starts energy storage, energy storage gear 3 rotates counterclockwise the utility model under the drive of input gear 2, is connected and is made cam 31 and energy-storage crank arm 4 drive counterclockwise energy-stored spring 32, thereby energy-stored spring 32 is compressed and energy storage by key.
In the time that mechanism's energy storage puts in place, the bearing 311 on the upper end butt cam 31 of energy storage maintainance block 5 and and lower end butt combined floodgate semiaxis 6.If combined floodgate semiaxis 6 is not thrown off, energy-stored spring 32 is in energy storage state; If combined floodgate semiaxis 6 is thrown off, when energy-stored spring 32 energy discharge, energy-stored spring 32 drives energy-storage crank arm 4 and energy storage gear 3 to rotate counterclockwise, and then cam 31 is also driven and clashes into the roller 33 on combined floodgate connecting lever 7, and the output shaft rotation of combined floodgate connecting lever 7 clockwise lead agencies, rolling bearing 71 on combined floodgate connecting lever 7 clashes into and slips over closing magnet master part 81, and final maintenance, is buckled on closing magnet master part 81, maintainance block 8 other ends that make to close a floodgate prop up on separating brake semiaxis 9, and now mechanism is in combined floodgate hold mode.
When mechanism closes a floodgate, tripping spring 10 carries out energy storage, when combined floodgate puts in place and during in hold mode, tripping spring 10 energy storage are complete.If separating brake semiaxis 9 is thrown off, tripping spring 10 energy discharge and drive combined floodgate connecting lever 7 to rotate counterclockwise, and it is spacing that combined floodgate connecting lever 7 is finally realized mechanism's separating brake by buffer.
The fixed form of energy-stored spring of the present utility model and tripping spring is consistent with direction, and the each own one end of energy-stored spring 32 and tripping spring 10 is fixed on corresponding hanging spring shaft, and the other end is fixed on parts separately, and the adjacent and homonymy of two hanging spring shafts is fixed.Energy-stored spring 32 and tripping spring 10 are all extension spring, are subject to force direction consistent, and spring module is concentrated, and mechanism's space characteristics of compact layout, dwindles mechanism size greatly.Meanwhile, in the utility model, energy storage keeps module, gear drive module and closes a floodgate keeping concentrated and interrelated between module, and assembling is compact, for mechanism saves space greatly, is convenient to the layout of spring operating mechanism interlocking and Quadratic Finite Element device.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, suitable variation or modification that any person of an ordinary skill in the technical field does it, all should be considered as not departing from patent category of the present utility model.
Claims (2)
1. a small-sized spring actuating mechanism of vacuum circuit-breaker, is characterized in that: comprise that header board, rear plate, gear drive module, energy storage keep module and close a floodgate keeping module, modules is laid between front and rear panels; Rear plate is provided with energy storage hanging spring shaft, separating brake hanging spring shaft, power shaft, output shaft and energy storage axle, energy storage hanging spring shaft and homonymy adjacent with separating brake hanging spring shaft position;
Gear drive module is made up of input gear and energy storage gear, and input gear is connected with power shaft by unilateral bearing, and energy storage gear is arranged on energy storage axle, input gear and the engagement of energy storage gear;
Energy storage keeps module to comprise energy-stored spring, energy-storage crank arm, cam, energy storage maintainance block and combined floodgate semiaxis, one end of energy-stored spring connects energy storage hanging spring shaft and the other end is connected with one end of energy-storage crank arm, the other end of energy-storage crank arm and cam are installed on energy storage axle, energy-storage crank arm, cam are connected with coaxial energy storage gear key respectively, cam is provided with the bearing for energy storage maintainance block upper end butt, energy storage maintainance block is articulated in the middle below of rear plate, and energy storage maintainance block below is provided with the combined floodgate semiaxis for energy storage maintainance block lower end butt;
Close a floodgate and keep module to comprise combined floodgate connecting lever, combined floodgate maintainance block, separating brake semiaxis and tripping spring, combined floodgate connecting lever is arranged on output shaft, one end of combined floodgate connecting lever is provided with the roller coordinating with cam and the other end is provided with rolling bearing, the right side side of rear plate is provided with combined floodgate maintainance block, one end of combined floodgate maintainance block forms the closing magnet master part coordinating with rolling bearing, the below of combined floodgate maintainance block is provided with the separating brake semiaxis for combined floodgate maintainance block other end butt, and one end of tripping spring connects separating brake hanging spring shaft and other end connection combined floodgate connecting lever.
2. a kind of small-sized spring actuating mechanism of vacuum circuit-breaker as claimed in claim 1, is characterized in that: also comprise buffer, described combined floodgate connecting lever is spacing by buffer separating brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420116119.0U CN203774167U (en) | 2014-03-14 | 2014-03-14 | Miniature vacuum-circuit-breaker spring operation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420116119.0U CN203774167U (en) | 2014-03-14 | 2014-03-14 | Miniature vacuum-circuit-breaker spring operation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203774167U true CN203774167U (en) | 2014-08-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420116119.0U Expired - Lifetime CN203774167U (en) | 2014-03-14 | 2014-03-14 | Miniature vacuum-circuit-breaker spring operation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203774167U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111554542A (en) * | 2019-02-11 | 2020-08-18 | Abb瑞士股份有限公司 | Actuator for medium voltage circuit breaker |
| CN117995618A (en) * | 2024-03-21 | 2024-05-07 | 河北钜亿电气设备有限公司 | Spring operating mechanism of circuit breaker |
-
2014
- 2014-03-14 CN CN201420116119.0U patent/CN203774167U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111554542A (en) * | 2019-02-11 | 2020-08-18 | Abb瑞士股份有限公司 | Actuator for medium voltage circuit breaker |
| CN111554542B (en) * | 2019-02-11 | 2023-07-28 | Abb瑞士股份有限公司 | Actuator for medium voltage circuit breaker |
| CN117995618A (en) * | 2024-03-21 | 2024-05-07 | 河北钜亿电气设备有限公司 | Spring operating mechanism of circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161028 Address after: The North Industrial Zone Road in Jimei District of Xiamen City, Fujian Province, No. 47 361000 Patentee after: SOUTH CHINA ELECTRIC DEVELOPMENT (XIAMEN) Ltd. Address before: 361000, No. 515, No. 3, No. third ting Road, Jimei District, Fujian, Xiamen, China Patentee before: XIAMEN KAINENG ELECTRIC POWER TECHNOLOGY CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: No. 47 Huanzhu Road, North Industrial Zone, Jimei District, Xiamen City, Fujian Province, 361000 Patentee after: SOUTH CHINAELECTRIC DEVELOPMENT Ltd. Address before: No. 47 Huanzhu Road, North Industrial Zone, Jimei District, Xiamen City, Fujian Province, 361000 Patentee before: SOUTH CHINA ELECTRIC DEVELOPMENT (XIAMEN) LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |
|
| CX01 | Expiry of patent term |