CN103325612A - Spring operation mechanism of vacuum switch - Google Patents
Spring operation mechanism of vacuum switch Download PDFInfo
- Publication number
- CN103325612A CN103325612A CN2013102000247A CN201310200024A CN103325612A CN 103325612 A CN103325612 A CN 103325612A CN 2013102000247 A CN2013102000247 A CN 2013102000247A CN 201310200024 A CN201310200024 A CN 201310200024A CN 103325612 A CN103325612 A CN 103325612A
- Authority
- CN
- China
- Prior art keywords
- energy storage
- spring
- combined floodgate
- connecting plate
- switch
- 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.)
- Granted
Links
Images
Landscapes
- Braking Arrangements (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The invention discloses a spring operation mechanism of a vacuum switch. The spring operation mechanism of the vacuum switch comprises a frame, an energy storing motor, a switch-on spring, a switch-off spring, a switch-on energy-storage maintaining device, and a switch-off energy-storage maintaining device. An output shaft, a driving shaft and an intermediate shaft are arranged on the frame in a pivoted mode, a cam is fixedly connected to the driving shaft, a connecting plate is fixedly connected to the intermediate shaft, and an output crank arm is fixedly connected to the output shaft. The energy storing motor is used for driving the switch-on spring to extend for storing energy, and the switch-on energy-storage maintaining device is matched with the cam to keep switch-on for storing energy. The cam is matched with the connecting plate, and when the switch-on energy-storage maintaining device is released, the switch-on spring releases energy to drive the driving shaft to rotate. The cam rotates to impact the connecting plate so that the connecting plate can rotate, and the connecting plate drives the output crank arm to rotate forwards to achieve switch-on operation and the switch-off spring stores energy. The switch-off energy-storage maintaining device is matched with the connecting plate to keep switch-off for storing energy, and when the switch-off energy-storage maintaining device is released, the switch-off spring releases energy to drive the output crank arm to rotate reversely to achieve switch-off operation. The spring operation mechanism is simple and compact in structure, functions are complete, and the spring operation mechanism can be assembly independently and can be produced in mass conveniently.
Description
Technical field
The present invention relates to a kind of spring operating mechanism of vacuum switch.
Background technology
The spring operating mechanism of existing vacuum switch, as the utility model of Chinese patent database at " the vacuum switch spring operating mechanism " of on July 13rd, 2011 bulletin, its Granted publication number is CN201898081U.It has following deficiency: complex structure, it is big to take up room, assembling inconvenience.
Summary of the invention
The invention provides the spring operating mechanism of vacuum switch, it has overcome the existing deficiency of the spring operating mechanism of vacuum switch in the background technology.
The technical scheme that adopts that the present invention solves its technical problem is:
The spring operating mechanism of vacuum switch comprises framework (10), this framework (10) installing energy storage motor (12), switching-in spring (14), tripping spring (16), combined floodgate energy storage holding device (18) and separating brake energy storage holding device (20); Be pivoted with output shaft (22), driving shaft (24) and jack shaft (26) on this framework (10); This driving shaft (24) is gone up affixed cam (30) and drive plate (32), and this drive plate (32) is established eccentric shaft (34), and this jack shaft (26) is gone up affixed connecting plate (36), and this output shaft (22) is gone up affixed output toggle arm (38); These switching-in spring (14) one end connecting frames (10), the other end connect eccentric shaft (34), and this energy storage motor (12) drive plate (32) that is in transmission connection drives switching-in spring (14) stretching energy storage to rotate by drive plate (32); This combined floodgate energy storage holding device (18) cooperates cam (30) to keep the combined floodgate energy storage; This cam (30) and connecting plate (36) match, this combined floodgate energy storage holding device (18) pine oil, switching-in spring (14) is released and can be rotated to drive driving shaft (24), cam (30) rotates with bump connecting plate (36) connecting plate (36) is rotated, and this connecting plate (36) drives output toggle arm (38) is just changeing realization closing operation and tripping spring (16) energy storage; This separating brake energy storage holding device (20) cooperates connecting plate (36) to keep the separating brake energy storage; This separating brake energy storage holding device (20) pine oil, tripping spring (16) are released and can be realized sub-switching operation to drive output toggle arm (38) counter-rotating.
Among one embodiment: these connecting plate affixed jack shafts of (36) one ends (26) articulate connecting rod (40) between the other end and output toggle arm (38).
Among one embodiment: these tripping spring (16) one ends connect connecting rod (40), and the other end is connected framework (10).
Among one embodiment: also comprise divide-shut brake indication piece (42) and energy storage indication piece (44), this affixed jack shaft of energy storage indication piece (44) (26) and transmission cooperate drive plate (32), this divide-shut brake indication piece (42) pin-connected frame (10) and transmission coupler link (40).
Among one embodiment: this connecting plate (36) comprises two fens plates and a roller, and this two fens affixed jack shafts of plate one end (26), this roller are connected between two fens plate other ends; The adaptive roller of this cam (30).
Among one embodiment: this combined floodgate energy storage holding device (18) comprises that the combined floodgate that energy storage fanning strip (48) and that the combined floodgate semiaxis (46), of a pin-connected frame (10) is articulated in framework (10) is located at cam (30) keeps roller (50), the roller (50) of this cam (30) is resisted against energy storage fanning strip (48), and this energy storage fanning strip (48) is resisted against combined floodgate semiaxis (46); Other establishes combined floodgate release (52), and this combined floodgate release (52) is installed in framework (10) and cooperates and drives combined floodgate semiaxis (46).
Among one embodiment: establish torsion spring between this energy storage fanning strip (48) and framework (10), this torsion spring produces elastic force, and this elastic force makes energy storage fanning strip (48) be resisted against combined floodgate semiaxis (46).
Among one embodiment: this separating brake energy storage holding device (20) comprises that the separating brake that keeper (56) and that the separating brake semiaxis (54), of a pin-connected frame (10) is articulated in framework (10) is located at connecting plate (36) keeps roller (58), the roller (58) of this connecting plate (36) is resisted against keeper (56), and this keeper (56) is resisted against separating brake semiaxis (54); Other establishes separating brake release (60), and this combined floodgate release (60) is installed in framework (10) and cooperates and drives separating brake semiaxis (54).
Among one embodiment: establish torsion spring between this keeper (56) and framework (10), this torsion spring produces elastic force, and this elastic force makes keeper (56) be resisted against separating brake semiaxis (54).
Among one embodiment: this output shaft (22) is three and between the upper and lower every layout, all establishes output toggle arm (38) on these three output shafts (22), and these three output toggle arms (38) are between the upper and lower every forming a line; This connecting rod (40) is vertically arranged and these three output toggle arms (38) all are articulated in connecting rod (40).
The technical program is compared with background technology, and it has following advantage:
1. mechanism structure is simple, compact, function is complete, can assemble separately, is convenient to very much produce in batches, makes operating mechanism have miniaturization, modularization, parts advantage few, easy for installation.
2. connect connecting plate and output toggle arm by connecting rod, tripping spring is connected connecting rod, realizes that module is bad, rationally distributed, simple in structure, compact.
3. the vertical layout of connecting rod and these three output toggle arms all are articulated in connecting rod, and are simple in structure, compact, can guarantee the synchronism that three output toggle arms rotate, and guarantee the synchronism of vacuum interrupter combined floodgate separating brake.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 has illustrated one of schematic perspective view of spring operating mechanism, removes header board and back plate this moment.
Fig. 2 illustrated spring operating mechanism schematic perspective view two, remove header board and middle plate this moment.
Fig. 3 illustrated spring operating mechanism schematic perspective view three, plate and back plate in removing this moment.
Fig. 4 illustrated spring operating mechanism schematic perspective view four, remove header board this moment.
Fig. 5 illustrated spring operating mechanism schematic perspective view five, remove the back plate this moment.
The master that Fig. 6 has illustrated spring operating mechanism looks schematic diagram, removes header board this moment.
Fig. 7 has illustrated the left side of spring operating mechanism and has looked schematic diagram.
Fig. 8 has illustrated the schematic rear view of spring operating mechanism, removes the back plate this moment.
Embodiment
Please refer to Fig. 1 to Fig. 8, the spring operating mechanism of vacuum switch comprises framework 10, and this framework 10 comprises header board 62, middle plate 64 and the back plate 66 that is arranged in parallel, and this header board, middle plate and back plate are fixed and arranged at interval, and is fixed in the transverse slat 72 between middle plate and back plate.These framework 10 installing energy storage motors 12, switching-in spring 14, tripping spring 16, combined floodgate energy storage holding device 18 and separating brake energy storage holding device 20.Be pivoted with output shaft 22, driving shaft 24 and jack shaft 26 on this framework 10; Affixed cam 30 and drive plate 32 on this driving shaft 24, this drive plate 32 is established eccentric shaft 34, affixed connecting plate 36 on this jack shaft 26, affixed output toggle arm 38 on this output shaft 22.These switching-in spring 14 1 ends are by upper hanging plate 68 connecting frames 10, the other end connects link plate 70 down, this time link plate 70 connects eccentric shaft 34 by a bearing, and this energy storage motor 12 drive plate 32 that is in transmission connection drives switching-in springs 14 stretching energy storage to rotate by drive plate 32.For example being in transmission connection between this energy storage motor 12 and the drive plate 32: energy storage motor 12 output shafts are established a sprocket wheel 74, and this drive plate is established another sprocket wheel, and other establishes chain and connects two sprocket wheels, realizes transmission with this.
This combined floodgate energy storage holding device 18 cooperates cam 30 to keep the combined floodgate energy storage.This combined floodgate energy storage holding device 18 for example comprises that the combined floodgate that energy storage fanning strip 48 and that the combined floodgate semiaxis 46, of a pin-connected frame 10 is articulated in framework 10 is located at cam 30 keeps roller 50, the roller 50 of this cam 30 is resisted against energy storage fanning strip 48, this energy storage fanning strip 48 is resisted against combined floodgate semiaxis 46, because cam can't be rotated by the restriction of energy storage fanning strip 48, combined floodgate semiaxis 46; 10 of this energy storage fanning strip 48 and frameworks are established torsion spring, and this torsion spring produces elastic force, and this elastic force makes energy storage fanning strip 48 be resisted against combined floodgate semiaxis 46.Among the present embodiment, this combined floodgate energy storage holding device 18 can adopt prior art, and this combined floodgate semiaxis also is prior art, and it has arch section and barbed portion, and during maintenance, arch section cooperates energy storage fanning strip 48.Other establishes combined floodgate release 52, and this combined floodgate release 52 is installed in framework 10 and cooperates and drives combined floodgate semiaxis 46.
This cam 30 and connecting plate 36 match, and wherein: this connecting plate 36 comprises two fens plates and a roller, and this two fens affixed jack shafts 26 of plate one end, this roller are connected between two fens plate other ends, these cam 30 adaptive rollers; The affixed jack shaft 26 of these connecting plate 36 1 ends, 38 of the other end and output toggle arms articulate connecting rod 40, and this connecting rod one end articulates connecting plate, and the other end articulates output toggle arm one end; These connecting rod 40 affixed faggings, this tripping spring 16 is socketed in connecting rod 40 and an end contact fagging, and other end contact is at the transverse slat 72 of framework 10.
These combined floodgate energy storage holding device 18 pine oils, for example, 52 operations of combined floodgate release, drive combined floodgate semiaxis 46 and rotate 180 degree, make the corresponding energy storage fanning strip 48 of breach of combined floodgate semiaxis 46, the limited releasing of energy storage fanning strip 48 also can be rotated, the limited releasing of cam, switching-in spring 14 is released can be to drive driving shaft 24 quick rotation, driving cam 30 quick rotation rotates connecting plate 36 with the roller that impinges upon connecting plate 36, this connecting plate 36 drives output toggle arm 38 by connecting rod 40 just to be changeed, and this output toggle arm other end rotates and realize closing operation and tripping spring 16 energy storage.
This separating brake energy storage holding device 20 cooperates connecting plate 36 to keep the separating brake energy storage.This separating brake energy storage holding device 20 comprises that the separating brake that keeper 56 and that the separating brake semiaxis 54, of a pin-connected frame 10 is articulated in framework 10 is located at connecting plate 36 keeps roller 58, the roller 58 of this connecting plate 36 is resisted against keeper 56, and this keeper 56 is resisted against separating brake semiaxis 54; Other establishes separating brake release 60, and this combined floodgate release 60 is installed in framework 10 and cooperates and drives separating brake semiaxis 54.10 of this keeper 56 and frameworks are established torsion spring, and this torsion spring produces elastic force, and this elastic force makes keeper 56 be resisted against separating brake semiaxis 54.
These separating brake energy storage holding device 20 pine oils, for example separating brake release 60 operations, separating brake semiaxis 54 rotates, keeper 56 limited releasings also can be rotated, the limited releasing of connecting plate, tripping spring 16 are released and can be driven output toggle arm 38 counter-rotatings and realize sub-switching operation with the drivening rod activity.
As required, also comprise divide-shut brake indication piece 42 and energy storage indication piece 44, these energy storage indication piece 44 affixed jack shafts 26 and transmission cooperate drive plate 32, this divide-shut brake indication piece 42 pin-connected frames 10 and transmission coupler link 40.
Among the present embodiment, this output shaft 22 is three and between the upper and lower every layout, all establishes output toggle arm 38 on these three output shafts 22, and these three output toggle arms 38 are between the upper and lower every forming a line; This connecting rod 40 vertically arranges and these three output toggle arms 38 all are articulated in connecting rod 40.
In order further to clearly demonstrate the present invention, introduce the course of action of spring operating mechanism below:
When wanting energy storage work, energy storage motor 12 or manual energy storage drive sprocket rotation, the drive drive plate rotates, thereby drive switching-in spring 14 stretch, after the switching-in spring energy storage puts in place, energy contacts and makes energy storage fanning strip and 46 constraints of combined floodgate semiaxis to keep by the roller 50 on the cam 30 with energy storage fanning strip 48, drive 44 activities of energy storage indication piece simultaneously, the indication energy storage puts in place.
In the time will closing a floodgate work, manually press switch knob or 52 actions of combined floodgate release, promoting combined floodgate semiaxis 46 rotates, thereby removed the constraint of energy storage fanning strip 48 with roller 50, switching-in spring 14 energy discharge, driving cam 30 rotates, knock over cam connecting plate 36 rotates, by connecting rod output toggle arm 38 is rotated, and the moving conductive rod that drives vacuum interrupter travels forward, close a floodgate when putting in place, keeper 56 contacts with roller 58 on the connecting plate and makes keeper 56 and separating brake semiaxis 54 produce constraint, finish feed motion, upwards action of divide-shut brake indication piece 42 simultaneously shows and closes a floodgate.
When wanting separating brake work, press separating brake knob or 60 actions of separating brake release, promoting separating brake semiaxis 54 rotates, with on the connecting plate roller 58 constraint releases, under the effect of tripping spring 16, the moving conductive rod that drives vacuum interrupter moves backward, finishes the separating brake action, the action downwards of divide-shut brake indication simultaneously shows separating brake.
The product of present embodiment can reduce by 1/3 number of spare parts than VS1.
The above, only for preferred embodiment of the present invention, so can not limit scope of the invention process according to this, i.e. the equivalence of doing according to claim of the present invention and description changes and modifies, and all should still belong in the scope that the present invention contains.
Claims (10)
1. the spring operating mechanism of vacuum switch, it is characterized in that: comprise framework (10), this framework (10) installing energy storage motor (12), switching-in spring (14), tripping spring (16), combined floodgate energy storage holding device (18) and separating brake energy storage holding device (20); Be pivoted with output shaft (22), driving shaft (24) and jack shaft (26) on this framework (10); This driving shaft (24) is gone up affixed cam (30) and drive plate (32), and this drive plate (32) is established eccentric shaft (34), and this jack shaft (26) is gone up affixed connecting plate (36), and this output shaft (22) is gone up affixed output toggle arm (38); These switching-in spring (14) one end connecting frames (10), the other end connect eccentric shaft (34), and this energy storage motor (12) drive plate (32) that is in transmission connection drives switching-in spring (14) stretching energy storage to rotate by drive plate (32); This combined floodgate energy storage holding device (18) cooperates cam (30) to keep the combined floodgate energy storage; This cam (30) and connecting plate (36) match, this combined floodgate energy storage holding device (18) pine oil, switching-in spring (14) is released and can be rotated to drive driving shaft (24), cam (30) rotates with bump connecting plate (36) connecting plate (36) is rotated, and this connecting plate (36) drives output toggle arm (38) is just changeing realization closing operation and tripping spring (16) energy storage; This separating brake energy storage holding device (20) cooperates connecting plate (36) to keep the separating brake energy storage; This separating brake energy storage holding device (20) pine oil, tripping spring (16) are released and can be realized sub-switching operation to drive output toggle arm (38) counter-rotating.
2. the spring operating mechanism of vacuum switch according to claim 1, it is characterized in that: these connecting plate affixed jack shafts of (36) one ends (26) articulate connecting rod (40) between the other end and output toggle arm (38).
3. the spring operating mechanism of vacuum switch according to claim 2 is characterized in that: these tripping spring (16) one ends connect connecting rod (40), and the other end is connected framework (10).
4. the spring operating mechanism of vacuum switch according to claim 1, it is characterized in that: also comprise divide-shut brake indication piece (42) and energy storage indication piece (44), this affixed jack shaft of energy storage indication piece (44) (26) and transmission cooperate drive plate (32), this divide-shut brake indication piece (42) pin-connected frame (10) and transmission coupler link (40).
5. the spring operating mechanism of vacuum switch according to claim 1 is characterized in that: this connecting plate (36) comprises two fens plates and a roller, and this two fens affixed jack shafts of plate one end (26), this roller are connected between two fens plate other ends; The adaptive roller of this cam (30).
6. according to the spring operating mechanism of claim 1 or 2 or 3 or 4 or 5 described vacuum switches, it is characterized in that: this combined floodgate energy storage holding device (18) comprises that the combined floodgate that energy storage fanning strip (48) and that the combined floodgate semiaxis (46), of a pin-connected frame (10) is articulated in framework (10) is located at cam (30) keeps roller (50), the roller (50) of this cam (30) is resisted against energy storage fanning strip (48), and this energy storage fanning strip (48) is resisted against combined floodgate semiaxis (46); Other establishes combined floodgate release (52), and this combined floodgate release (52) is installed in framework (10) and cooperates and drives combined floodgate semiaxis (46).
7. the spring operating mechanism of vacuum switch according to claim 6 is characterized in that: establish torsion spring between this energy storage fanning strip (48) and framework (10), this torsion spring produces elastic force, and this elastic force makes energy storage fanning strip (48) be resisted against combined floodgate semiaxis (46).
8. according to the spring operating mechanism of claim 1 or 2 or 3 or 4 or 5 described vacuum switches, it is characterized in that: this separating brake energy storage holding device (20) comprises that the separating brake that keeper (56) and that the separating brake semiaxis (54), of a pin-connected frame (10) is articulated in framework (10) is located at connecting plate (36) keeps roller (58), the roller (58) of this connecting plate (36) is resisted against keeper (56), and this keeper (56) is resisted against separating brake semiaxis (54); Other establishes separating brake release (60), and this combined floodgate release (60) is installed in framework (10) and cooperates and drives separating brake semiaxis (54).
9. the spring operating mechanism of vacuum switch according to claim 8 is characterized in that: establish torsion spring between this keeper (56) and framework (10), this torsion spring produces elastic force, and this elastic force makes keeper (56) be resisted against separating brake semiaxis (54).
10. the spring operating mechanism of vacuum switch according to claim 2, it is characterized in that: this output shaft (22) is three and between the upper and lower every layout, all establish output toggle arm (38) on these three output shafts (22), these three output toggle arms (38) are between the upper and lower every forming a line; This connecting rod (40) is vertically arranged and these three output toggle arms (38) all are articulated in connecting rod (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310200024.7A CN103325612B (en) | 2013-05-24 | 2013-05-24 | Spring operation mechanism of vacuum switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310200024.7A CN103325612B (en) | 2013-05-24 | 2013-05-24 | Spring operation mechanism of vacuum switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103325612A true CN103325612A (en) | 2013-09-25 |
| CN103325612B CN103325612B (en) | 2015-06-10 |
Family
ID=49194295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310200024.7A Active CN103325612B (en) | 2013-05-24 | 2013-05-24 | Spring operation mechanism of vacuum switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103325612B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319122A (en) * | 2014-08-29 | 2015-01-28 | 平高集团有限公司 | A spring actuator |
| CN107845518A (en) * | 2017-11-30 | 2018-03-27 | 浙江紫光电器有限公司 | A kind of arc-chutes fast arc extinction is driven interlocking gear |
| CN109346374A (en) * | 2018-10-08 | 2019-02-15 | 苏州市远洋电器有限公司 | A kind of spring operating mechanism for on-load switch |
| CN109346387A (en) * | 2018-09-25 | 2019-02-15 | 浙江正泰电器股份有限公司 | A kind of energy storage type reclosing breaker and its control circuit and control method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200965844Y (en) * | 2006-11-03 | 2007-10-24 | 西安英丰电气有限责任公司 | HV breaker spring operating mechanism |
| JP2009170318A (en) * | 2008-01-17 | 2009-07-30 | Toshiba Corp | Operating mechanism for circuit breaker |
| KR20110019639A (en) * | 2009-08-20 | 2011-02-28 | 주식회사 비츠로테크 | Triphook damper of vacuum interruptor controller |
| CN201788844U (en) * | 2010-08-06 | 2011-04-06 | 广西银河迪康电气有限公司 | Driving and operating device of breaker |
| CN201898081U (en) * | 2010-12-08 | 2011-07-13 | 江阴市云峰电器设备有限公司 | Spring operating mechanism for vacuum switch |
| CN203367137U (en) * | 2013-05-24 | 2013-12-25 | 厦门市恒源新电力设备有限公司 | Spring operation mechanism for vacuum switch |
-
2013
- 2013-05-24 CN CN201310200024.7A patent/CN103325612B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200965844Y (en) * | 2006-11-03 | 2007-10-24 | 西安英丰电气有限责任公司 | HV breaker spring operating mechanism |
| JP2009170318A (en) * | 2008-01-17 | 2009-07-30 | Toshiba Corp | Operating mechanism for circuit breaker |
| KR20110019639A (en) * | 2009-08-20 | 2011-02-28 | 주식회사 비츠로테크 | Triphook damper of vacuum interruptor controller |
| CN201788844U (en) * | 2010-08-06 | 2011-04-06 | 广西银河迪康电气有限公司 | Driving and operating device of breaker |
| CN201898081U (en) * | 2010-12-08 | 2011-07-13 | 江阴市云峰电器设备有限公司 | Spring operating mechanism for vacuum switch |
| CN203367137U (en) * | 2013-05-24 | 2013-12-25 | 厦门市恒源新电力设备有限公司 | Spring operation mechanism for vacuum switch |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319122A (en) * | 2014-08-29 | 2015-01-28 | 平高集团有限公司 | A spring actuator |
| CN107845518A (en) * | 2017-11-30 | 2018-03-27 | 浙江紫光电器有限公司 | A kind of arc-chutes fast arc extinction is driven interlocking gear |
| CN107845518B (en) * | 2017-11-30 | 2020-02-18 | 浙江紫光电器有限公司 | Arc extinguishing chamber quick arc extinguishing transmission interlocking mechanism |
| CN109346387A (en) * | 2018-09-25 | 2019-02-15 | 浙江正泰电器股份有限公司 | A kind of energy storage type reclosing breaker and its control circuit and control method |
| CN109346374A (en) * | 2018-10-08 | 2019-02-15 | 苏州市远洋电器有限公司 | A kind of spring operating mechanism for on-load switch |
| CN109346374B (en) * | 2018-10-08 | 2020-04-03 | 苏州市远洋电器有限公司 | Spring operating mechanism for load switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103325612B (en) | 2015-06-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2775815Y (en) | Switch electric device driving device | |
| CN112636687A (en) | High-efficiency self-cleaning solar photovoltaic panel | |
| CN103124040B (en) | Folding material machine | |
| CN103325612A (en) | Spring operation mechanism of vacuum switch | |
| CN1242444C (en) | High energy closing mechanism for circuit breakers | |
| CN209063235U (en) | A kind of die-cutting machine that can exclude waste material automatically | |
| CN203367137U (en) | Spring operation mechanism for vacuum switch | |
| CN114937572B (en) | Compound maintaining spring operating mechanism of vacuum circuit breaker with voltage of 66kV and above | |
| CN102963721B (en) | A kind of material fetching mechanism of storage battery flaker | |
| CN206789480U (en) | A kind of high-voltage vacuum load switch of making switch with ground | |
| CN201927539U (en) | Modular spring operating mechanism for high voltage vacuum circuit breaker | |
| CN102723228A (en) | Spring operation mechanism of high-voltage vacuum circuit breaker | |
| CN219502124U (en) | Vibrating device of filter press | |
| CN111490725A (en) | Lifting type cleaning and protecting device for photovoltaic panel | |
| CN217664848U (en) | Automatic brush dust removal device for cleaning surface of product | |
| CN201222454Y (en) | Spring operation mechanism for miniaturisation vacuum circuit-breaker | |
| CN102117707B (en) | Dual-power bypass switch device and switch electric appliance using same | |
| CN203277207U (en) | Solid insulation vacuum switch | |
| CN203910570U (en) | Disconnecting switch with energy-storage spring operation mechanism | |
| CN2266784Y (en) | Switch spring operation mechanism | |
| CN202796717U (en) | High-voltage vacuum circuit breaker spring operating mechanism | |
| CN207170421U (en) | A kind of follow-on smart card surface cleaning apparatus | |
| CN107579476B (en) | Valve mechanism of centrally installed switchgear circuit breaker | |
| CN204955487U (en) | System of rolling of machine is retrieved to beverage bottle | |
| CN211225390U (en) | Book pushing structure for book discharge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |