CN103762105B - Operating mechanism isolating switch forked plectrum wheel device and actuating method thereof - Google Patents
Operating mechanism isolating switch forked plectrum wheel device and actuating method thereof Download PDFInfo
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- CN103762105B CN103762105B CN201310698003.2A CN201310698003A CN103762105B CN 103762105 B CN103762105 B CN 103762105B CN 201310698003 A CN201310698003 A CN 201310698003A CN 103762105 B CN103762105 B CN 103762105B
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Abstract
The present invention relates to a kind of operating mechanism isolating switch forked plectrum wheel device and actuating method thereof, is the technical problem design easily producing load reaction for existing like product.The support of this forked plectrum wheel device is provided with motor and the second rotating shaft, and the first rotating shaft through these side clamping plate of operating mechanism, and is connected with the output of operating mechanism; Its main points are that the output shaft of described motor is connected with the first rotating shaft transmission by gear, the second rotating shaft, described first rotating shaft is provided with forked plectrum wheel, two ends, short arc limit, the side external diameter of described forked plectrum wheel is respectively equipped with protruding circular arc ear, and the roller on circular arc ear is arranged at forked plectrum wheel respectively by roller riveting pin; Described output shaft is provided with sheave, and sheave is provided with the first groove and the second groove, a wherein roller of forked plectrum wheel and a wherein ditch slot fit of sheave; First, second groove is respectively one end open in sheave edge, and the other end is the slideway groove of half arc.Its isolating switch being suitable as operating mechanism uses.
Description
Technical field
The present invention relates to high-voltage operating mechanism, is a kind of operating mechanism isolating switch forked plectrum wheel device and actuating method thereof.
Background technology
Isolating switch in high-voltage operating mechanism is that electric power system realizes deciliter, the important switchgear of conversion line.But the isolated location that current ubiquitous problem is this type of isolating switch cannot realize mechanical position limitation accurately, easily cause the offsetting of position, thus cause the stroke being partitioned to combined floodgate or position, ground connection position to be in not expected change, bring potential safety hazard to the maintenance of electric power and regular maintenance.Meanwhile, also there is the problems such as sheave complex structural designs, processing cost is high, the life-span is low in the isolating switch of more existing high-voltage operating mechanisms; And the output shaft of switch mechanism when load reaction (i.e. the counter-force of extraneous load) easily produces revolution, bounce is excessive, it is unreliable to locate, thus to cause in the switch motion process of adapted that " separating brake, combined floodgate, ground connection " position is improper (namely can not be contacted completely, do not reach position or virtual connection is touched) situation occur, bring unsafe factor to electric power system power distribution.
Summary of the invention
For overcoming above-mentioned deficiency, the object of the invention is to provide a kind of the operating mechanism isolating switch forked plectrum wheel device and the actuating method thereof that utilize mechanical drive principle to this area, making it solve, isolating switch structural design in existing like product is not good enough causes stability, technical problem that fail safe is not good enough.Its objective is and to be achieved through the following technical solutions.
A kind of operating mechanism isolating switch forked plectrum wheel device, this forked plectrum wheel device is arranged at the electronic divide-shut brake end of operating mechanism, this forked plectrum wheel device comprises the gear of sheave, output shaft, motor, forked plectrum wheel, the first rotating shaft, roller, support, the second rotating shaft and correspondence, described support is provided with motor and the second rotating shaft, described first rotating shaft is arranged at the side clamping plate of operating mechanism, first rotating shaft through these side clamping plate of operating mechanism, and is connected with the output of operating mechanism; Namely the operating mechanism driving between two clamping plate by this forked plectrum wheel device above-mentioned and clamping plate are arranged realizes the operation of separating brake, combined floodgate, ground connection three kinds of states.Its structural design main points are that the output shaft of described motor is connected with the first rotating shaft transmission by gear, the second rotating shaft, described first rotating shaft is provided with forked plectrum wheel, two ends, short arc limit, the side external diameter of described forked plectrum wheel is respectively equipped with protruding circular arc ear, and the roller on circular arc ear is arranged at forked plectrum wheel respectively by roller riveting pin; Described output shaft is provided with sheave, and sheave is provided with the first groove and the second groove, a wherein roller of forked plectrum wheel and a wherein ditch slot fit of sheave.This motor drive mechanism meets the requirement that optional position stops under separating brake, combined floodgate, ground connection three kinds of states of the switches such as isolation earthing switch (EDS), isolating switch (DS), earthed switch (ES), it utilizes the movement relation coordinated between forked plectrum wheel with sheave, and forked plectrum wheel and sheave special shape, for the load reaction (i.e. the counter-force of extraneous load) of switch, the output shaft of this operating mechanism all can not be made to produce revolution.Namely said structure relates generally to the principle of mutual motion between this forked plectrum wheel and sheave, drive forked plectrum wheel to drive sheave to do clockwise (or counterclockwise) by power to rotate, make to drive output shaft to rotate vertically together, thus realize braking each other.
First groove of described sheave and the second groove are respectively one end open in sheave edge, and the other end is the slideway groove of half arc, and the first groove and the second groove are arranged at the clamping plate side of sheave.The groove of said structure is convenient to be with the roller of forked plectrum wheel to import and derive, and braking is limited in half arcuate end of groove end.
Angle between first groove center line of described sheave and the second groove center line to the sheave center of circle is 90 degree, and the angle between two circular arc ear center lines to the forked plectrum wheel center of circle of forked plectrum wheel is 110 degree.Meanwhile, that also can design according to isolating switch opening apart from stroke needs, carrys out the output angle of changing mechanism sheave, to mate its designing requirement.
Described forked plectrum wheel comprises lug wheel and pointed cone wheel, described lug wheel is taken turns with pointed cone and is connected as a single entity, described circular arc ear is arranged at lug wheel, and between the short arc limit of described pointed cone wheel and long arc limit, edge bilateral symmetry is provided with deep-slotted chip breaker, and namely the short arc avris of pointed cone wheel is sharp cone distal; Between first groove of described sheave and the second groove, and the first groove, the second groove symmetrical both sides be respectively equipped with arc-shaped side groove, short arc limit or the long arc limit of described pointed cone wheel offset with a wherein arc-shaped side groove of sheave respectively.Said structure meets forked plectrum wheel and sheave when rotating, deep-slotted chip breaker each other, arc-shaped side groove, and the rotation that is independent of each other between the rib tip of notch both sides, and corresponding arc-shaped side can be made to offset spacing with corresponding deep-slotted chip breaker, arc-shaped side groove.
Gear between the output shaft of described motor and the first rotating shaft comprises initiatively spur gear, driven spur gear, driven wheel of differential, drive bevel gear, namely the output shaft of described motor is engaged with the driven spur gear of second rotating shaft one end by active spur gear, the drive bevel gear of the second rotating shaft other end engages with the driven wheel of differential of the first rotating shaft, driven wheel of differential is arranged at the clamping plate side of the first rotating shaft, between clamping plate and forked plectrum wheel.The gear structure of said structure is a kind of concrete gear drive power transferring structure, thus makes the driving force of motor output shaft be passed to output shaft successively, drives output shaft to realize the operation of separating brake, combined floodgate, ground connection three kinds of states; Meanwhile, the application of angular wheel structure, makes driving force transmittance process more stable.
The end, driven spur gear side of described second rotating shaft is provided with initiatively spur gear, and initiatively spur gear connects the output of motor and manual end.This structure is convenient to by the separating brake of this operating mechanism of handle manual operation, combined floodgate, ground connection.
First rotating shaft of described driven wheel of differential clamping plate side is provided with pointed cone wheel, and the flange of pointed cone wheel side and the external diameter round edge of sheave are along offseting.Pointed cone wheel is convenient to the limit function that promotes further between sheave and forked plectrum wheel, and stability and fail safe.
According to said structure feature, described actuating method is: described forked plectrum wheel driving sheave is clockwise or be rotated counterclockwise, and drives output shaft to rotate vertically, realizes the separating brake of this operating mechanism, combined floodgate, ground connection operation; It is characterized in that described forked plectrum wheel is rotated by gear driven, a wherein roller of two the circular arc ears in two ends, short arc limit, forked plectrum wheel side and the first groove of sheave or the second ditch slot fit, namely the roller of circular arc ear imports from the first groove or the second groove edge opening, realizes the separating brake of this operating mechanism, combined floodgate, ground connection operation.Namely by the multiple combination mode of the roller of forked plectrum wheel wherein on an a circular arc ear and forked plectrum wheel wherein groove, realize the separating brake of this operating mechanism, combined floodgate, ground connection operates.
Meanwhile, the pointed cone of described forked plectrum wheel wheel bilateral symmetry arranges deep-slotted chip breaker, between the first groove of sheave, the second groove and bilateral symmetry arc-shaped side groove is set; When forked plectrum wheel and sheave rotate, forked plectrum wheel drives pointed cone wheel to rotate simultaneously, the flange of pointed cone wheel and the arc-shaped side groove of sheave offset spacing, the deep-slotted chip breaker of pointed cone wheel and the end angle of arc-shaped side groove are departed from, and the roller of circular arc ear imports from the first groove or the second groove edge opening the slideway groove being stopped at half arc.The groove of above-mentioned concrete structure ensure that the braking between forked plectrum wheel roller and forked plectrum wheel groove is spacing, prevents counter-force effect; The lug wheel of forked plectrum wheel, the arc-shaped side groove of sheave, and pointed cone takes turns the rotation of stablizing all further between forked plectrum wheel and sheave and spacing, thus reach stable, rotate safely and brake.
Described forked plectrum wheel is by the active spur gear of motor output shaft, the driven spur gear of the second rotating shaft, the drive bevel gear of the second rotating shaft, the driven wheel of differential transmission successively of the first rotating shaft, the driving force realizing motor output shaft is converted into the rotatory force of the first rotating shaft upper shift fork wheel, thus realizes forked plectrum wheel driving sheave.Last time, gear structure transmitted the driving force of motor, arrived stable delivery and the stable effect of electronic actuating.
Reasonable in design of the present invention, has stable movement, accurate positioning, and impulsive force is little, without bounce-back, uses, assembling, easy to maintenance, and stability, fail safe, overload protection are effective; The isolating switch being suitable as operating mechanism uses, ex hoc genus anne the architecture advances of product.
Accompanying drawing explanation
Fig. 1 is left TV structure schematic diagram of the present invention.
Fig. 2 is backsight structural representation of the present invention.
Fig. 3 is right TV structure schematic diagram of the present invention.
Fig. 4 is perspective view of the present invention.
Fig. 5 is the isolation point positional structure schematic diagram of sheave of the present invention and forked plectrum wheel, and in figure, arrow is for rotating oppositely.
Fig. 6 be sheave of the present invention and forked plectrum wheel every clutch position structural representation.
Fig. 7 is the ground connection point positional structure schematic diagram of sheave of the present invention and forked plectrum wheel, and in figure, arrow is for rotating oppositely.
Fig. 8 is that the ground connection co-bit of sheave of the present invention and forked plectrum wheel puts structural representation.
In figure, the name of sequence number is called: 1, sheave, the 101, first groove, the 102, second groove, 103, arc-shaped side groove, 2, output shaft, 3, motor, 4, forked plectrum wheel, 401, pointed cone wheel, 402, lug wheel, 5, the first rotating shaft, 6, roller riveting pin, 7, roller, 8, initiatively spur gear, 9, driven spur gear, 10, driven wheel of differential, 11, drive bevel gear, 12, support, the 13, second rotating shaft.
Embodiment
Now by reference to the accompanying drawings, the invention will be further described.As shown in Figure 1 to 4, the support 12 of this forked plectrum wheel device is provided with motor 3 and the second rotating shaft 13, the output shaft of motor is engaged with the driven spur gear 9 of second rotating shaft one end by active spur gear 8, the drive bevel gear 11 of the second rotating shaft other end engages with the driven wheel of differential 10 of the first rotating shaft, driven wheel of differential is arranged at the clamping plate side of the first rotating shaft 5, between clamping plate and forked plectrum wheel 4; The end, driven spur gear side of the second rotating shaft is provided with belt wheel and manually holds.First rotating shaft is arranged at the side clamping plate of operating mechanism, and described first rotating shaft through these side clamping plate of operating mechanism, and is connected with the output of operating mechanism; First rotating shaft is provided with forked plectrum wheel, and two ends, short arc limit, the side external diameter of forked plectrum wheel is respectively equipped with protruding circular arc ear, and the roller 7 on circular arc ear is arranged at forked plectrum wheel respectively by roller riveting pin 6.Output shaft 2 is provided with sheave 1, sheave is provided with the first groove 101 and the second groove 102, described first groove and the second groove are respectively one end open in sheave edge, and the other end is the slideway groove of half arc, and the first groove and the second groove are arranged at the clamping plate side of sheave.Simultaneously, forked plectrum wheel comprises pointed cone wheel 401 and lug wheel 402, and described lug wheel is taken turns with pointed cone and is connected as a single entity, and described circular arc ear is arranged at lug wheel, between the short arc limit of described pointed cone wheel and long arc limit, edge bilateral symmetry is provided with deep-slotted chip breaker, and namely the short arc avris of pointed cone wheel is sharp cone distal; Between first groove of described sheave and the second groove, and the first groove, the second groove symmetrical both sides be respectively equipped with arc-shaped side groove 103.Angle between first groove center line and the second groove center line to the sheave center of circle is 90 degree, and the angle between two circular arc ear center lines to the forked plectrum wheel center of circle of forked plectrum wheel is 110 degree; When forked plectrum wheel drives sheave to rotate, a wherein roller of forked plectrum wheel and a wherein ditch slot fit of sheave, short arc limit or the long arc limit of pointed cone wheel offset with a wherein arc-shaped side groove of sheave respectively.
As shown in Fig. 5 ~ Fig. 8, illustrate below this isolating switch forked plectrum wheel device in operating mechanism electrically operated whole motion process (this operation comprises electric operating and manual operation, both are substantially identical), namely by closing position to open position, then to earthing position operation whole motion process.
1, by isolation " separating brake-combined floodgate-separating brake " process:
Isolation " point-close ": connect motor power, motor obtains reversion (counterclockwise) signal of telecommunication in the other direction, installation simultaneously on motor output shaft initiatively spur gear, initiatively spur gear starts reverse rotation (counterclockwise), the driven spur gear engaged with it rotates forward (clockwise) thereupon, and driven spur gear is arranged in the middle of the second rotating shaft.Meanwhile, the second rotating shaft is corresponding to be rotated clockwise, and is equipped with drive bevel gear at second turn of the tip of the axis; Drive bevel gear rotates clockwise, and the driven wheel of differential be mated rotates clockwise equally; Driven wheel of differential is arranged in the first rotating shaft, and the first rotating shaft rotates clockwise equally.First rotating shaft is also provided with forked plectrum wheel, roller riveting pin and roller to be installed on respectively on forked plectrum wheel, forked plectrum wheel drives roller to rotate clockwise too; Meanwhile, roller enters in the groove on sheave, and sheave rotates counterclockwise by the distinctive track of groove, and sheave is arranged on output shaft, drives output shaft to rotate counterclockwise, until closing position.Now, motor has been cut off power supply and has stopped operating, and when arriving closing position, sheave caves in slideway half arc position by circular arc ear position on forked plectrum wheel directly reliably spacing (namely shown in Fig. 6, every clutch position).
Isolation " close-point ": connect motor power, motor obtains positive direction and rotates forward (clockwise) signal of telecommunication, on motor shaft, initiatively spur gear starts to rotate forward (clockwise) simultaneously, the driven spur gear reverse rotation thereupon (counterclockwise) of engaging with it; Driven spur gear drives the second rotating shaft and drive bevel gear is corresponding rotates counterclockwise, and the driven wheel of differential be mated rotates counterclockwise equally, and driven wheel of differential drives the first rotating shaft, forked plectrum wheel and roller riveting pin and roller to rotate counterclockwise equally.Meanwhile, roller enters in the groove on sheave, and sheave rotates clockwise by the distinctive track of groove, drives output shaft to rotate clockwise, until open position simultaneously.Now, motor has been cut off power supply and has stopped operating, and when arriving open position, sheave caves in slideway half arc position by circular arc ear position on forked plectrum wheel directly reliably spacing (namely shown in Fig. 5, an isolation point position).
2, by ground connection " separating brake-combined floodgate-separating brake " process:
Ground connection " point-close ": connect motor power, motor obtains positive direction and rotates forward (clockwise) signal of telecommunication, on motor shaft, initiatively spur gear starts to rotate forward (clockwise) simultaneously, the driven spur gear reverse rotation thereupon (counterclockwise) of engaging with it; Driven spur gear drives the second rotating shaft and drive bevel gear is corresponding rotates counterclockwise, and the driven wheel of differential be mated rotates counterclockwise equally, and driven wheel of differential drives the first rotating shaft, forked plectrum wheel and roller riveting pin and roller to rotate counterclockwise equally.Meanwhile, roller enters in the groove on sheave, and sheave rotates clockwise by the distinctive track of groove, drives output shaft to rotate clockwise, until closing position simultaneously.Now, motor has been cut off power supply and has stopped operating, and when arriving closing position, sheave caves in slideway half arc position by circular arc ear position on forked plectrum wheel directly reliably spacing (namely shown in Fig. 8, ground connection co-bit is put).
Ground connection " close-point ": connect motor power, motor obtains reversion (counterclockwise) signal of telecommunication in the other direction, on motor shaft, initiatively spur gear starts reverse rotation (counterclockwise) simultaneously, and the driven spur gear engaged with it rotates forward (clockwise) thereupon; Driven spur gear drives the second rotating shaft and drive bevel gear is corresponding rotates clockwise, and the driven wheel of differential be mated rotates clockwise equally, and driven wheel of differential drives the first rotating shaft, forked plectrum wheel and roller riveting pin and roller to rotate clockwise equally.Meanwhile, roller enters in the groove on sheave, and sheave rotates counterclockwise by the distinctive track of groove, drives output shaft to rotate counterclockwise, until open position simultaneously.Now, motor has been cut off power supply and has stopped operating, and when arriving open position, sheave caves in slideway half arc position by circular arc ear position on forked plectrum wheel directly reliably spacing (namely shown in Fig. 7, ground connection divides position).
Claims (6)
1. an operating mechanism isolating switch forked plectrum wheel device, this forked plectrum wheel device is arranged at the electronic divide-shut brake end of operating mechanism, this forked plectrum wheel device comprises sheave (1), output shaft (2), motor (3), forked plectrum wheel (4), the first rotating shaft (5), roller (7), support (12), the second rotating shaft (13) and corresponding gear, described support is provided with motor and the second rotating shaft, described first rotating shaft is arranged at the side clamping plate of operating mechanism, first rotating shaft through these side clamping plate of operating mechanism, and is connected with the output of operating mechanism; It is characterized in that the output shaft of described motor (3) is in transmission connection with the first rotating shaft (5) by gear, the second rotating shaft (13), described first rotating shaft is provided with forked plectrum wheel (4), two ends, short arc limit, the side external diameter of described forked plectrum wheel is respectively equipped with protruding circular arc ear, and the roller (7) on circular arc ear is arranged at forked plectrum wheel respectively by roller riveting pin (6); Described output shaft (2) is provided with sheave (1), and sheave is provided with the first groove (101) and the second groove (102), a wherein roller of forked plectrum wheel and a wherein ditch slot fit of sheave; First groove (101) and second groove (102) of described sheave (1) are respectively one end open in sheave edge, and the other end is the slideway groove of half arc, and the first groove and the second groove are arranged at the clamping plate side of sheave; Angle between first groove (101) center line of described sheave (1) and the second groove (102) center line to the sheave center of circle is 90 degree, and the angle between two circular arc ear center lines to the forked plectrum wheel center of circle of forked plectrum wheel (4) is 110 degree; Described forked plectrum wheel (4) comprises lug wheel (402) and pointed cone wheel (401), described lug wheel is taken turns with pointed cone and is connected as a single entity, described circular arc ear is arranged at lug wheel, between the short arc limit of described pointed cone wheel and long arc limit, edge bilateral symmetry is provided with deep-slotted chip breaker, and namely the short arc avris of pointed cone wheel is sharp cone distal; Between first groove (101) of described sheave (1) and the second groove (102), and first groove, the second groove symmetrical both sides be respectively equipped with arc-shaped side groove (103), short arc limit or the long arc limit of described pointed cone wheel offset with a wherein arc-shaped side groove of sheave respectively.
2. operating mechanism isolating switch forked plectrum wheel device according to claim 1, it is characterized in that the gear between the output shaft of described motor (3) and the first rotating shaft (5) comprises initiatively spur gear (8), driven spur gear (9), driven wheel of differential (10), drive bevel gear (11), namely the output shaft of described motor is engaged with the driven spur gear of the second rotating shaft (13) one end by active spur gear, the drive bevel gear of the second rotating shaft other end engages with the driven wheel of differential of the first rotating shaft, driven wheel of differential is arranged at the clamping plate side of the first rotating shaft, be positioned between clamping plate and forked plectrum wheel (4).
3. operating mechanism isolating switch forked plectrum wheel device according to claim 2, is characterized in that the driven spur gear (9) of described second rotating shaft (13) connects the output of motor (3) and manual end by active spur gear (8).
4. the actuating method of an operating mechanism isolating switch forked plectrum wheel device according to claim 1, described forked plectrum wheel (4) driving sheave (1) is clockwise or be rotated counterclockwise, drive output shaft (2) to rotate vertically, realize the separating brake of this operating mechanism, combined floodgate, ground connection operation; It is characterized in that described forked plectrum wheel is rotated by gear driven, a wherein roller of two the circular arc ears in two ends, short arc limit, forked plectrum wheel side coordinates with first groove (101) of sheave or the second groove (102), namely the roller of circular arc ear imports from the first groove or the second groove edge opening, realizes the separating brake of this operating mechanism, combined floodgate, ground connection operation.
5. the actuating method of operating mechanism isolating switch forked plectrum wheel device according to claim 4, it is characterized in that pointed cone wheel (401) bilateral symmetry of described forked plectrum wheel (4) arranges deep-slotted chip breaker, between first groove (101) of sheave (1), the second groove (102) and bilateral symmetry arc-shaped side groove (103) is set; When forked plectrum wheel and sheave rotate, forked plectrum wheel drives pointed cone wheel to rotate simultaneously, the flange of pointed cone wheel and the arc-shaped side groove of sheave offset spacing, the deep-slotted chip breaker of pointed cone wheel and the end angle of arc-shaped side groove are departed from, and the roller of circular arc ear imports from the first groove or the second groove edge opening the slideway groove being stopped at half arc.
6. the actuating method of operating mechanism isolating switch forked plectrum wheel device according to claim 4, it is characterized in that described forked plectrum wheel (4) is by the active spur gear (8) of motor (3) output shaft, the driven spur gear (9) of the second rotating shaft (13), the drive bevel gear (11) of the second rotating shaft, driven wheel of differential (10) transmission successively of the first rotating shaft (5), the driving force realizing motor output shaft is converted into the rotatory force of the first rotating shaft upper shift fork wheel, thus realizes forked plectrum wheel driving sheave (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310698003.2A CN103762105B (en) | 2013-12-17 | 2013-12-17 | Operating mechanism isolating switch forked plectrum wheel device and actuating method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310698003.2A CN103762105B (en) | 2013-12-17 | 2013-12-17 | Operating mechanism isolating switch forked plectrum wheel device and actuating method thereof |
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| CN103762105A CN103762105A (en) | 2014-04-30 |
| CN103762105B true CN103762105B (en) | 2016-04-06 |
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| CN201310698003.2A Expired - Fee Related CN103762105B (en) | 2013-12-17 | 2013-12-17 | Operating mechanism isolating switch forked plectrum wheel device and actuating method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109006080A (en) * | 2018-06-13 | 2018-12-18 | 西南大学 | Novel binding apparatus |
| CN111863473B (en) * | 2020-07-31 | 2022-06-03 | 珠海天欧电气有限公司 | Clutch electric mechanism of inflatable cabinet and switching brake operation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3572143A (en) * | 1968-09-25 | 1971-03-23 | Smit Nijmegen Electrotec | Switches driven by stretchable energy accumulators of the crankshaftspring type |
| CN2877021Y (en) * | 2005-12-22 | 2007-03-07 | 宁波天安集团股份有限公司 | Manual and electric dual-purpose operating mechanism for universal three-station isolation switch |
| CN101404219A (en) * | 2008-08-28 | 2009-04-08 | 山东鲁能泰山电力设备有限公司 | Three-station electric operation mechanism |
| CN203644582U (en) * | 2013-12-17 | 2014-06-11 | 宁波舜利高压开关科技有限公司 | Isolation switch shift fork wheel device of operating mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5839322B2 (en) * | 2011-09-29 | 2016-01-06 | ティケイディ株式会社 | 3-position switch actuator |
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2013
- 2013-12-17 CN CN201310698003.2A patent/CN103762105B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3572143A (en) * | 1968-09-25 | 1971-03-23 | Smit Nijmegen Electrotec | Switches driven by stretchable energy accumulators of the crankshaftspring type |
| CN2877021Y (en) * | 2005-12-22 | 2007-03-07 | 宁波天安集团股份有限公司 | Manual and electric dual-purpose operating mechanism for universal three-station isolation switch |
| CN101404219A (en) * | 2008-08-28 | 2009-04-08 | 山东鲁能泰山电力设备有限公司 | Three-station electric operation mechanism |
| CN203644582U (en) * | 2013-12-17 | 2014-06-11 | 宁波舜利高压开关科技有限公司 | Isolation switch shift fork wheel device of operating mechanism |
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| CN103762105A (en) | 2014-04-30 |
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Effective date of registration: 20160128 Address after: Langxia street Xinlanglu Yuyao city 315408 Zhejiang city of Ningbo province No. 216 Applicant after: NINGBO SHUNLI HIGH VOLTAGE SWITCHGEAR TECHNOLOGY CO.,LTD. Address before: 315400, Ningbo, Zhejiang, Yuyao Province, 749 new North Road, Ningbo high voltage switch Technology Co., Ltd. Applicant before: Hu Guangfu |
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Granted publication date: 20160406 Termination date: 20211217 |