CN205282383U - Spring operation mechanism - Google Patents
Spring operation mechanism Download PDFInfo
- Publication number
- CN205282383U CN205282383U CN201521145193.6U CN201521145193U CN205282383U CN 205282383 U CN205282383 U CN 205282383U CN 201521145193 U CN201521145193 U CN 201521145193U CN 205282383 U CN205282383 U CN 205282383U
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- CN
- China
- Prior art keywords
- combined floodgate
- mechanism rack
- semiaxis
- spring
- hand
- 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.)
- Expired - Fee Related
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 119
- 230000009471 action Effects 0.000 claims abstract description 38
- 238000004146 energy storage Methods 0.000 claims abstract description 32
- 241001400675 Sympodium Species 0.000 claims abstract description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 239000010949 copper Substances 0.000 claims abstract description 10
- 230000003139 buffering effect Effects 0.000 claims description 14
- 230000008520 organization Effects 0.000 claims description 13
- 230000007935 neutral effect Effects 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to a spring operation mechanism, including mechanism's frame, hand movement (HM) divide -shut brake mechanism, manual energy storage mechanism, the output shaft, hand movement (HM) divide -shut brake mechanism includes the combined floodgate semi -axis, breaking brake semi axis, combined floodgate dropout board, separating brake dropout board, manual minute sympodium, the hand closes the push rod, the hand divides the board, the shelves pole, the extension spring, the combined floodgate buckle, the separating brake buckle, the one end of combined floodgate buckle is contradicted on the combined floodgate semi -axis, the one end of separating brake buckle is contradicted on breaking brake semi axis, the one end of shelves pole is connected epaxially manual deciliter, the other end connection of shelves pole is served in one of extension spring, and the other end of extension spring is connected on mechanism's frame, the hand close one of push rod serve be provided with one with combined floodgate dropout board matched with copper sheathing, the copper sheathing closes the push rod action conveniently and drives the action of combined floodgate dropout board, upward corresponding separating brake dropout board of mechanism's frame and hand divide the activity located to be provided with a hand and divide the push rod between the board, the hand divides the push rod to divide the board action conveniently and drives the action of separating brake dropout board. The utility model has the advantages of compact structure, stable performance are reliable.
Description
Technical field
The utility model is specifically related to a kind of spring operating mechanism.
Background technology
At present, high-pressure vacuum breaker is with, in actuating mechanism, comparatively common is still spring operating mechanism. Spring operating mechanism is the actuating mechanism that isolating switch carries out point lock and closing operation using spring as dynamical element, and it can reach the power registration property needed for isolating switch well, and reliable operation, visual strong. But, the structure design of the spring operating mechanism of existing high-pressure vacuum breaker is unreasonable, thus this spring operating mechanism exists the weak defect of unstable properties, breaking capacity.
Summary of the invention
The purpose of this utility model is to overcome the defect of prior art, it is provided that a kind of compact construction, spring operating mechanism stable and reliable for performance.
For achieving the above object, the utility model adopts a kind of spring operating mechanism, comprise mechanism rack, the manual close/open machine being arranged in mechanism rack, the Manual stored energy organization that the side place of corresponding manual close/open machine is arranged in mechanism rack, the output shaft being arranged in mechanism rack, described manual close/open machine comprises the combined floodgate semiaxis being arranged in mechanism rack, the surface place of corresponding combined floodgate semiaxis is arranged on point lock semiaxis in mechanism rack, the combined floodgate dropout plate being arranged on combined floodgate semiaxis, point lock dropout plate being arranged on point lock semiaxis, the manually point sympodium being arranged in mechanism rack, linkage is arranged on and manually divides the hand on sympodium to close push rod, linkage is arranged on and manually divides the hand on sympodium to divide plate, lever, extension spring, in described mechanism rack, the side place of corresponding combined floodgate semiaxis is provided with combined floodgate buckle, conflict on combined floodgate semiaxis in one end of this combined floodgate buckle, in described mechanism rack, the side place of corresponding point lock semiaxis is provided with a point lock buckle, one end of this point of lock buckle is conflicted on point lock semiaxis, one end of described lever is connected to manually to be divided on sympodium, the other end of lever is connected on one end of extension spring, and the other end of extension spring is connected in mechanism rack, described hand closes push rod and is provided with a copper cover matched with combined floodgate dropout plate on one end of combined floodgate dropout plate, described copper cover closes push rod action conveniently and drives combined floodgate dropout plate action, realize the closing by hand of this spring operating mechanism, in described mechanism rack, corresponding point lock dropout plate and hand divide place between plate to be movably set with a hand and divide push rod, described hand divides push rod point plate action and a drive point lock dropout plate action conveniently, realize the manual brake separating of this spring operating mechanism.
The useful effect of said structure is: this spring operating mechanism has compact construction, advantage stable and reliable for performance, when operating this manual close/open machine, when operator rotate clockwise manually point sympodium by handle, manually point sympodium drives hand to close push rod action, hand closes the cover of the copper on push rod and promotes combined floodgate dropout plate action, and combined floodgate dropout strip dynamic circuit connector lock semiaxis rotates, and combined floodgate semiaxis loses the restriction of combined floodgate buckle, combined floodgate semiaxis is triped, thus realizes the combined floodgate of this spring operating mechanism. When operator rotate counterclockwise manual point of sympodium by handle, manually point sympodium drives hand to divide plate action, hand point strip starts the upwards action of point push rod, hand divides push rod to promote a point lock dropout plate action, the dynamic point lock semiaxis of lock dropout strip is divided to rotate, dividing lock semiaxis to lose a point restriction for lock buckle, a point lock semiaxis is triped, thus realizes point lock of this spring operating mechanism.
Especially, described Manual stored energy organization comprises the energy storage axle being arranged in mechanism rack, the master wheel being arranged on energy storage axle, switching-in spring, the manual energy storage axle being arranged in mechanism rack, the location bar being arranged on manual energy storage axle, the fastener shaft being arranged in mechanism rack and match with location bar, linkage board, torsion spring, the motor shaft that the side place of corresponding linkage board is arranged in mechanism rack, transmitting gear on motor shaft is set, non-return ratchet on motor shaft is set, the non-return ratchet being arranged in mechanism rack and match with non-return ratchet, the gear shaft that between corresponding master wheel and transmitting gear, place is arranged in mechanism rack, the neutral gear being arranged on gear shaft, the internal tooth ratchet being arranged on gear shaft, the star-wheel being arranged in internal tooth ratchet, the ratchet being arranged on star-wheel and match with internal tooth ratchet, described neutral gear respectively with transmitting gear, master wheel is meshed, one end of described linkage board is arranged on manual energy storage axle, the other end of linkage board is connected on internal tooth ratchet, and the junction of linkage board and internal tooth ratchet is provided with a clutch coupling, described torsion spring is arranged on manual energy storage axle, and one end card of torsion spring sets on a bar, and the other end of torsion spring is installed in mechanism rack, one end of described switching-in spring is connected on the upper end of energy storage axle, and the other end of switching-in spring is connected in mechanism rack. the Manual stored energy organization of this spring operating mechanism has compact construction, advantage stable and reliable for performance. this Manual stored energy organization is when operating, operator rotate counterclockwise manual energy storage axle by handle, manual energy storage axle drives linkage board action, linkage board drives internal tooth ratchet to rotate, internal tooth ratchet passes through ratchet, star-wheel driven gear axle rotates, neutral gear rotates with gear shaft, and neutral gear drives master wheel, transmitting gear rotates, master wheel drives energy storage axle to rotate and stretching switching-in spring, realize the energy storage of this Manual stored energy organization, transmitting gear drive motor axle rotates, motor rotating shaft drives non-return ratchet, non-return ratchet action, this non-return ratchet can ensure that non-return ratchet does not reverse, and internal tooth ratchet can ensure that this stored energy mechanism is non-slip when energy storage, thus improve the reliability of this spring operating mechanism work.
Especially, in described mechanism rack, the junction of corresponding lever and extension spring is provided with a buffering part, conflicts on lever one end towards extension spring in the upper surface of described buffering part. By being provided with a buffering part matched with lever in mechanism rack, this buffering part can play the effect of buffering energy-absorbing, thus improves the reliability of this manual close/open machine work, ensures this spring operating mechanism safe and reliable operation.
Especially, in described mechanism rack, corresponding combined floodgate semiaxis place is provided with a combined floodgate electrical apparatus release, and combined floodgate semiaxis is provided with first push pedal matched with combined floodgate electrical apparatus release, and a corresponding point lock semiaxis place is provided with a point of lock electrical apparatus release in mechanism rack, one end of point lock semiaxis is provided with the 2nd push pedal matched with point lock electrical apparatus release. By being provided with combined floodgate electrical apparatus release and point lock electrical apparatus release in mechanism rack, when combined floodgate electrical apparatus release obtains combined floodgate signal, combined floodgate electrical apparatus release promotes the first baffle plate action, and combined floodgate semiaxis is with the first baffle plate action, thus the semiaxis that closes a floodgate unlocks, thus realize the electric switch-on of this spring operating mechanism; When a point lock electrical apparatus release obtains sub-gate signal, point lock electrical apparatus release promotes second baffle action, and point lock semiaxis is with second baffle action, thus point lock semiaxis unlocks, thus realizes electronic point of lock of this spring operating mechanism.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment front view.
Fig. 2 is the utility model embodiment rear view.
Fig. 3 is the utility model embodiment vertical view.
Fig. 4 is A-A sectional view in Fig. 3.
Fig. 5 is the structural representation of the manual close/open machine of the utility model.
Fig. 6 is the structural representation of the utility model Manual stored energy organization.
Embodiment
As shown in Fig. 1,2,3,4,5,6, the utility model embodiment is a kind of spring operating mechanism, Manual stored energy organization 30 that the side place of the manual close/open machine 20 comprise mechanism rack 10, being arranged in mechanism rack 10, corresponding manual close/open machine 20 is arranged in mechanism rack 10, the output shaft 11 being arranged in mechanism rack 10. described manual close/open machine 20 comprises the combined floodgate semiaxis 21 being arranged in mechanism rack 10, the surface place of corresponding combined floodgate semiaxis 21 is arranged on point lock semiaxis 22 in mechanism rack 10, the combined floodgate dropout plate 211 being arranged on combined floodgate semiaxis 21, point lock dropout plate 221 being arranged on point lock semiaxis 22, the manually point sympodium 23 being arranged in mechanism rack 10, linkage is arranged on and manually divides the hand on sympodium 23 to close push rod 24, linkage is arranged on and manually divides the hand on sympodium 23 to divide plate 25, lever 231, extension spring 232. in described mechanism rack 10, the side place of corresponding combined floodgate semiaxis 21 is provided with combined floodgate buckle 27, conflict on combined floodgate semiaxis 21 in one end of this combined floodgate buckle 27, in described mechanism rack 10, the side place of corresponding point lock semiaxis 22 is provided with a point lock buckle 28, one end of this point of lock buckle 28 is conflicted on point lock semiaxis 22, one end of described lever 231 is connected to manually to be divided on sympodium 23, the other end of lever 231 is connected on one end of extension spring 232, and the other end of extension spring 232 is connected in mechanism rack 10, described hand closes the copper cover 241 that push rod 24 is provided with on one end of combined floodgate dropout plate 211 and matches with combined floodgate dropout plate 211, described copper cover 241 closes push rod 24 action conveniently and drives combined floodgate dropout plate 211 action, realize the closing by hand of this spring operating mechanism, in described mechanism rack 10, corresponding point lock dropout plate 221 and hand divide place between plate 25 to be movably set with a hand and divide push rod 26, described hand divides push rod 26 point plate 25 action and drive point lock dropout plate 221 action conveniently, realize the manual brake separating of this spring operating mechanism. this spring operating mechanism has compact construction, advantage stable and reliable for performance, when operating this manual close/open machine, when operator rotate clockwise manually point sympodium by handle, manually point sympodium drives hand to close push rod action, hand closes the cover of the copper on push rod and promotes combined floodgate dropout plate action, and combined floodgate dropout strip dynamic circuit connector lock semiaxis rotates, and combined floodgate semiaxis loses the restriction of combined floodgate buckle, combined floodgate semiaxis is triped, thus realizes the combined floodgate of this spring operating mechanism. when operator rotate counterclockwise manual point of sympodium by handle, manually point sympodium drives hand to divide plate action, hand point strip starts the upwards action of point push rod, hand divides push rod to promote a point lock dropout plate action, the dynamic point lock semiaxis of lock dropout strip is divided to rotate, dividing lock semiaxis to lose a point restriction for lock buckle, a point lock semiaxis is triped, thus realizes point lock of this spring operating mechanism.
Such as Fig. 1, 3, 4, shown in 6, described Manual stored energy organization 30 comprises the energy storage axle 31 being arranged in mechanism rack 10, the master wheel 311 being arranged on energy storage axle 31, switching-in spring 38, the manual energy storage axle 32 being arranged in mechanism rack, the location bar 321 being arranged on manual energy storage axle 32, the fastener shaft 33 being arranged in mechanism rack 10 and match with location bar 321, linkage board 323, torsion spring 322, the motor shaft 35 that the side place of corresponding linkage board 323 is arranged in mechanism rack 10, transmitting gear 351 on motor shaft 35 is set, non-return ratchet 352 on motor shaft 35 is set, the non-return ratchet 36 being arranged in mechanism rack 10 and match with non-return ratchet 352, the gear shaft 37 that between corresponding master wheel 311 and transmitting gear 351, place is arranged in mechanism rack 10, the neutral gear 371 being arranged on gear shaft 37, the internal tooth ratchet 372 being arranged on gear shaft 37, the star-wheel 373 being arranged in internal tooth ratchet 372, the ratchet 374 being arranged on star-wheel 373 and match with internal tooth ratchet 372. described neutral gear 371 respectively with transmitting gear 351, master wheel 311 is meshed, one end of described linkage board 323 is arranged on manual energy storage axle 32, the other end of linkage board 323 is connected on internal tooth ratchet 372, and the junction of linkage board 323 and internal tooth ratchet 372 is provided with a clutch coupling 34, described torsion spring 322 is arranged on manual energy storage axle 32, one end card of torsion spring 322 sets on a bar 321, the other end of torsion spring 322 is installed in mechanism rack 10, one end of described switching-in spring 38 is connected on the upper end of energy storage axle 31, and the other end of switching-in spring 38 is connected in mechanism rack 10. the Manual stored energy organization of this spring operating mechanism has compact construction, advantage stable and reliable for performance. this Manual stored energy organization is when operating, operator rotate counterclockwise manual energy storage axle by handle, manual energy storage axle drives linkage board action, linkage board drives internal tooth ratchet to rotate, internal tooth ratchet passes through ratchet, star-wheel driven gear axle rotates, neutral gear rotates with gear shaft, and neutral gear drives master wheel, transmitting gear rotates, master wheel drives energy storage axle to rotate and stretching switching-in spring, realize the energy storage of this Manual stored energy organization, transmitting gear drive motor axle rotates, motor rotating shaft drives non-return ratchet, non-return ratchet action, this non-return ratchet can ensure that non-return ratchet does not reverse, and internal tooth ratchet can ensure that this stored energy mechanism is non-slip when energy storage, thus improve the reliability of this spring operating mechanism work.
As shown in Figure 1,5, in described mechanism rack 10, corresponding lever 231 is provided with a buffering part 29 with the junction of extension spring 232, conflicts on lever 231 one end towards extension spring 232 in the upper surface of described buffering part 29. By being provided with a buffering part matched with lever in mechanism rack, this buffering part can play the effect of buffering energy-absorbing, thus improves the reliability of this manual close/open machine work, ensures this spring operating mechanism safe and reliable operation.
As shown in Figure 2,3, in described mechanism rack 10, corresponding combined floodgate semiaxis 21 place is provided with a combined floodgate electrical apparatus release 40, and combined floodgate semiaxis 21 is provided with first push pedal 212 matched with combined floodgate electrical apparatus release 40, and corresponding point lock semiaxis 22 place is provided with a point of lock electrical apparatus release 41 in mechanism rack 10, one end of point lock semiaxis 22 is provided with the 2nd push pedal 222 matched with point lock electrical apparatus release 41. By being provided with combined floodgate electrical apparatus release and point lock electrical apparatus release in mechanism rack, when combined floodgate electrical apparatus release obtains combined floodgate signal, combined floodgate electrical apparatus release promotes the first baffle plate action, and combined floodgate semiaxis is with the first baffle plate action, thus the semiaxis that closes a floodgate unlocks, thus realize the electric switch-on of this spring operating mechanism; When a point lock electrical apparatus release obtains sub-gate signal, point lock electrical apparatus release promotes second baffle action, and point lock semiaxis is with second baffle action, thus point lock semiaxis unlocks, thus realizes electronic point of lock of this spring operating mechanism.
Claims (5)
1. a spring operating mechanism, comprise mechanism rack, the manual close/open machine being arranged in mechanism rack, the Manual stored energy organization that the side place of corresponding manual close/open machine is arranged in mechanism rack, the output shaft being arranged in mechanism rack, it is characterized in that: described manual close/open machine comprises the combined floodgate semiaxis being arranged in mechanism rack, the surface place of corresponding combined floodgate semiaxis is arranged on point lock semiaxis in mechanism rack, the combined floodgate dropout plate being arranged on combined floodgate semiaxis, point lock dropout plate being arranged on point lock semiaxis, the manually point sympodium being arranged in mechanism rack, linkage is arranged on and manually divides the hand on sympodium to close push rod, linkage is arranged on and manually divides the hand on sympodium to divide plate, lever, extension spring, in described mechanism rack, the side place of corresponding combined floodgate semiaxis is provided with combined floodgate buckle, conflict on combined floodgate semiaxis in one end of this combined floodgate buckle, in described mechanism rack, the side place of corresponding point lock semiaxis is provided with a point lock buckle, one end of this point of lock buckle is conflicted on point lock semiaxis, one end of described lever is connected to manually to be divided on sympodium, the other end of lever is connected on one end of extension spring, and the other end of extension spring is connected in mechanism rack, described hand closes push rod and is provided with a copper cover matched with combined floodgate dropout plate on one end of combined floodgate dropout plate, described copper cover closes push rod action conveniently and drives combined floodgate dropout plate action, realize the closing by hand of this spring operating mechanism, in described mechanism rack, corresponding point lock dropout plate and hand divide place between plate to be movably set with a hand and divide push rod, described hand divides push rod point plate action and a drive point lock dropout plate action conveniently, realize the manual brake separating of this spring operating mechanism.
2. spring operating mechanism according to claim 1, it is characterised in that: described Manual stored energy organization comprises the energy storage axle being arranged in mechanism rack, the master wheel being arranged on energy storage axle, switching-in spring, the manual energy storage axle being arranged in mechanism rack, the location bar being arranged on manual energy storage axle, the fastener shaft being arranged in mechanism rack and match with location bar, linkage board, torsion spring, the motor shaft that the side place of corresponding linkage board is arranged in mechanism rack, transmitting gear on motor shaft is set, non-return ratchet on motor shaft is set, the non-return ratchet being arranged in mechanism rack and match with non-return ratchet, the gear shaft that between corresponding master wheel and transmitting gear, place is arranged in mechanism rack, the neutral gear being arranged on gear shaft, the internal tooth ratchet being arranged on gear shaft, the star-wheel being arranged in internal tooth ratchet, the ratchet being arranged on star-wheel and match with internal tooth ratchet, described neutral gear respectively with transmitting gear, master wheel is meshed, one end of described linkage board is arranged on manual energy storage axle, the other end of linkage board is connected on internal tooth ratchet, and the junction of linkage board and internal tooth ratchet is provided with a clutch coupling, described torsion spring is arranged on manual energy storage axle, and one end card of torsion spring sets on a bar, and the other end of torsion spring is installed in mechanism rack, one end of described switching-in spring is connected on the upper end of energy storage axle, and the other end of switching-in spring is connected in mechanism rack.
3. spring operating mechanism according to claim 1 and 2, it is characterised in that: in described mechanism rack, the junction of corresponding lever and extension spring is provided with a buffering part, conflicts on lever one end towards extension spring in the upper surface of described buffering part.
4. spring operating mechanism according to claim 1, it is characterised in that: in described mechanism rack, the junction of corresponding lever and extension spring is provided with a buffering part, conflicts on lever one end towards extension spring in the upper surface of described buffering part.
5. spring operating mechanism according to claim 1 or 2 or 4, it is characterized in that: in described mechanism rack, corresponding combined floodgate semiaxis place is provided with a combined floodgate electrical apparatus release, and combined floodgate semiaxis is provided with first push pedal matched with combined floodgate electrical apparatus release, and a corresponding point lock semiaxis place is provided with a point of lock electrical apparatus release in mechanism rack, one end of point lock semiaxis is provided with the 2nd push pedal matched with point lock electrical apparatus release.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521145193.6U CN205282383U (en) | 2015-12-30 | 2015-12-30 | Spring operation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521145193.6U CN205282383U (en) | 2015-12-30 | 2015-12-30 | Spring operation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205282383U true CN205282383U (en) | 2016-06-01 |
Family
ID=56066932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521145193.6U Expired - Fee Related CN205282383U (en) | 2015-12-30 | 2015-12-30 | Spring operation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205282383U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356245A (en) * | 2016-11-17 | 2017-01-25 | 南京南瑞集团公司 | Spring operation mechanism for modularized vacuum circuit breaker |
| CN106373800A (en) * | 2016-11-17 | 2017-02-01 | 南京南瑞集团公司 | Modular spring actuator closing cam tripping device |
| CN106449213A (en) * | 2016-11-17 | 2017-02-22 | 南京南瑞集团公司 | A modular spring operation mechanism separating-brake half-shaft tripping device |
| CN106653503A (en) * | 2017-02-15 | 2017-05-10 | 江苏森源电气股份有限公司 | Gear one-way energy storage mechanism not limited by pawl |
| CN107768155A (en) * | 2017-10-29 | 2018-03-06 | 默飓电气有限公司 | A kind of breaker operation mechanism |
-
2015
- 2015-12-30 CN CN201521145193.6U patent/CN205282383U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356245A (en) * | 2016-11-17 | 2017-01-25 | 南京南瑞集团公司 | Spring operation mechanism for modularized vacuum circuit breaker |
| CN106373800A (en) * | 2016-11-17 | 2017-02-01 | 南京南瑞集团公司 | Modular spring actuator closing cam tripping device |
| CN106449213A (en) * | 2016-11-17 | 2017-02-22 | 南京南瑞集团公司 | A modular spring operation mechanism separating-brake half-shaft tripping device |
| CN106356245B (en) * | 2016-11-17 | 2019-09-13 | 南京南瑞集团公司 | A kind of Modularization vacuum circuit breaker spring operating mechanism |
| CN106653503A (en) * | 2017-02-15 | 2017-05-10 | 江苏森源电气股份有限公司 | Gear one-way energy storage mechanism not limited by pawl |
| CN107768155A (en) * | 2017-10-29 | 2018-03-06 | 默飓电气有限公司 | A kind of breaker operation mechanism |
| CN107768155B (en) * | 2017-10-29 | 2020-07-07 | 默飓电气有限公司 | Circuit breaker operating mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 |