CN104319158A - Operating mechanism manual button device and operating method thereof - Google Patents
Operating mechanism manual button device and operating method thereof Download PDFInfo
- Publication number
- CN104319158A CN104319158A CN201410488375.7A CN201410488375A CN104319158A CN 104319158 A CN104319158 A CN 104319158A CN 201410488375 A CN201410488375 A CN 201410488375A CN 104319158 A CN104319158 A CN 104319158A
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- button
- push
- push pedal
- separating brake
- bearing pin
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/42—Driving mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/46—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle
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Abstract
The invention relates to an operating mechanism manual button device and an operating method thereof. The device and the method are designed to solve the technical problem that the existing similar operating mechanism manual switching-on/off structure in high-voltage switch products is poor is design and poor in stability. One ends of push rods of switching-on and switching-off manual button assemblies of the manual button device respectively face the turning ends of a manual switching-on push plate and a manual switching-off push plate. The operating mechanism manual button device is characterized in that the switching-on and switching-off manual button assemblies respectively comprise two button push plates, a connecting rod, a tension spring, a push rod, and a button bracket. In the manual switching-on process, the button push plates are pressed, the button push plates drive a first pin shaft and a second pin shaft to push inward along a transverse guide rail slot of the button bracket, the second pin shaft drives one end of the connecting rod to push inward along the transverse guide rail slot of the button bracket, the other end of the connecting rod drives a third pin shaft to push downward along a longitudinal guide rail slot of the button bracket, the tension spring is pulled open and the push rod is pushed to push downward, the other end of the push rod contacts the manual switching-on push plate, and the manual switching-on push plate rotates around the center of a switching-on half shaft to realize switching-on.
Description
Technical field
The present invention relates to the hand push button of operating mechanism in high-voltage switch gear, is a kind of operating mechanism hand push button device and actuating method thereof.
Background technology
High-voltage switch gear; or title primary cut-out; it not only can cut off or no-load current in closed high circuit and load current; and when system jam by the effect of relay protection; cut off overload electric current and short circuit current, it has quite perfect arc extinguishing structure and enough cutout abilities.Relate generally in its actuating process and control high-voltage switch gear combined floodgate, separating brake, ground connection three stations, when namely operating mechanism is in closing position, can not ground connection operation be carried out; When being in earthing position, then closing operation can not be carried out; Thus ensure the fail safe of high-voltage operating mechanism, prevent faulty operation from causing security incident to occur.Wherein, in existing domestic High-voltage Switchgear Industry operating mechanism hand push button device action process in generally have that operating physical force is large, wild effect, thus cause closing by hand or the problem such as separating brake is unreliable.Former design as some of them operating mechanism adopts on semiaxis and fills knob, and when making closing by hand and manual brake separating, operating physical force is larger; Also have some operating mechanisms to adopt actuator bracket to be the design of single guide groove, but in its operating process, closing by hand, separating brake are comparatively unstable.As the application number 201220070533.3 disclosed in Chinese patent literature, authorized announcement date 2012.10.10, utility model title " a kind of spring operating mechanism of vacuum circuit-breaker and vacuum circuit-breaker "; This spring operating mechanism and vacuum circuit-breaker comprise: the first clamping plate and the second clamping plate; Combined floodgate semiaxis and separating brake semiaxis; Combined floodgate push pedal, separating brake push pedal, combined floodgate semiaxis and separating brake semiaxis pass the first clamping plate, and combined floodgate push pedal is connected with combined floodgate semiaxis, and separating brake push pedal is connected with separating brake semiaxis, and switch knob control assembly promotes combined floodgate push pedal campaign, and combined floodgate push pedal drives combined floodgate semiaxis to rotate; Opening button control assembly promotes separating brake push pedal campaign, and separating brake push pedal drives separating brake semiaxis to rotate.
Summary of the invention
For overcoming above-mentioned deficiency, the object of the invention is to provide a kind of operating mechanism hand push button device and actuating method thereof to this area, making it solve operating mechanism manual divide-shut brake structural design in existing similar high-voltage switch gear product not good enough, stablizing not good enough technical problem.Its objective is and to be achieved through the following technical solutions.
A kind of operating mechanism hand push button device, be provided with combined floodgate semiaxis and separating brake semiaxis between the rear plate of this operating mechanism hand push button device and front plate, the closing pawl arranged between rear plate with front plate and separating brake buckle deduct mutually with combined floodgate semiaxis and separating brake semiaxis respectively; One end that combined floodgate semiaxis and separating brake semiaxis stretch out front plate is respectively equipped with closing by hand push pedal and manual brake separating push pedal, and push rod one end of separating brake, combined floodgate hand push button assembly is relative with the upset end of closing by hand push pedal, manual brake separating push pedal respectively; Namely after respectively stressed by separating brake, combined floodgate hand push button assembly, respectively power is passed to push rod, finally make the upset end of corresponding closing by hand push pedal or manual brake separating push pedal stressed by push rod, the combined floodgate semiaxis driving closing by hand push pedal, manual brake separating push pedal corresponding and separating brake semiaxis rotate, and the closing pawl of correspondence and separating brake buckle rotate, and realize manual brake separating or the combined floodgate of this operating mechanism.Its structural design main points are described separating brakes, combined floodgate hand push button assembly comprises two groups of button push pedals respectively, connecting rod, extension spring, push rod, actuator bracket, described actuator bracket is in " L " font opening, connecting plate between the long limit end opening of actuator bracket is installed on front plate, short end opening exceeds front plate, button push pedal is provided with between the opening of this end, button push pedal is in " L " oxbow, the curved end of button push pedal toward the outer side, the other end is connected with one end of connecting rod by the second bearing pin, second bearing pin is arranged in the symmetrically arranged upper hopper chute in this place of actuator bracket, the first bearing pin is provided with outside the button push pedal of the second bearing pin same level, first bearing pin is also arranged in the upper hopper chute of actuator bracket, the other end of described connecting rod is connected with the other end of push rod by the 3rd bearing pin, push rod is connected with the long limit end of actuator bracket by the 4th bearing pin, the push rod at the 4th this place of bearing pin is provided with gliding groove, and the 3rd bearing pin is connected by the fixed pin shaft of extension spring with actuator bracket inner-diameter end angle place.Namely button push pedal in actuator bracket and push rod opposite end is arranged at by connecting-rod inclined to connection, and corresponding to actuator bracket " L " font, and button push pedal, connecting rod, push rod, by each bearing pin and the interlock of upper and lower chute, are automatically reset by extension spring.Be specially: the stressed cross slide way groove of button push pedal moves inwards, thus drive button push pedal, connecting rod, push rod interlock, now push rod moves downward, extension spring generation deformation, final push rod promotes corresponding closing by hand push pedal or manual brake separating push pedal rotates, closing by hand push pedal and manual brake separating push pedal can drive corresponding combined floodgate semiaxis and separating brake semiaxis to rotate, and realize closing pawl corresponding on combined floodgate semiaxis and separating brake semiaxis and the rotation of separating brake buckle.Release button push pedal, extension spring drives button push pedal, connecting rod, push rod to reset; Meanwhile, the structural design of button push pedal, facilitate this operating mechanism manual brake separating or close a floodgate time stressed, and improve pressing operation time comfort level.
Described button push pedal, push rod, connecting rod, extension spring are arranged at the opening inside diameter of corresponding button support respectively, pull bar and push rod are one group, lay respectively at closing by hand push pedal and manual brake separating push pedal upset end actuator bracket in side, extension spring lays respectively at the opposite side in actuator bracket.Thus utilize the push rod of side to prize corresponding closing by hand push pedal or manual brake separating push pedal rotation, corresponding closing pawl and the rotation of separating brake buckle can be realized, realize manual brake separating or the conjunction of this operating mechanism.
One end of described closing pawl is connected with combined floodgate camshaft, the end barb of the other end deducts mutually with combined floodgate semiaxis, closing pawl is in " ^ " font, and the turn of bilge of closing pawl is provided with rotating shaft, and the curved mouth of closing pawl is towards the side between combined floodgate semiaxis and combined floodgate camshaft.Above-mentioned is the concrete structure of closing pawl in a kind of operating mechanism, and it also can adopt the closing pawl structure of similar operating mechanism.
The end barb of described separating brake buckle one end deducts mutually with separating brake semiaxis, and the roller of the other end and separating brake cam swing one end offsets, and closing pawl is in " ^ " font, and the turn of bilge of separating brake buckle is also provided with rotating shaft; On separating brake buckle separating brake semiaxis offset end separating brake cam swing side be provided with crotch, be provided with limit shaft inside the hook of crotch, the curved mouth of separating brake buckle is towards limit shaft side, and the separating brake cam swing end of separating brake buckle is to separating brake cam swing lateral bend.Above-mentioned is the concrete structure of separating brake buckle in a kind of operating mechanism, and it also can adopt the separating brake buckle structure of similar operating mechanism.Simultaneously, after above-mentioned separating brake cam swing is offseted by roller and the interference of separating brake buckle, separating brake cam swing drives separating brake buckle to rotate, after this operating mechanism moment separating brake, separating brake buckle is reset to due to the stop of limit shaft the state deducted mutually with separating brake semiaxis again, waits for the postrotational sub-switching operation again of separating brake cam swing.
According to said structure feature, its actuating method is: described button push pedal is converted into the downward power of actuator bracket longitudinal rail groove by actuator bracket cross slide way groove power inwards; Namely after this operating mechanism energy storage puts in place, by pressing the button push pedal of combined floodgate hand push button assembly, button push pedal is made to drive the first bearing pin, the second bearing pin to promote inwards along actuator bracket cross slide way groove, second bearing pin drivening rod one end promotes inwards along actuator bracket cross slide way groove simultaneously, extension spring generation deformation; Connecting rod inwards in pushing course the other end drive the 3rd bearing pin to promote along actuator bracket longitudinal rail groove downwards, pull open extension spring simultaneously and promote push rod and also promote downwards, the push rod other end touches closing by hand push pedal, make closing by hand push pedal by combined floodgate semiaxis central rotation, this operating mechanism is closed a floodgate, then release button push pedal, button push pedal, connecting rod, push rod reset under the effect of extension spring; Meanwhile, according to above-mentioned same principle, press the button push pedal of another component lock hand push button assembly, push rod touches manual brake separating push pedal, makes manual brake separating push pedal by separating brake semiaxis central rotation, makes this operating mechanism separating brake.Thus this hand push button device is when promoting connecting rod and push pedal guide rail movement horizontal and vertical along actuator bracket by button push pedal, make its hand push button power little, stable transmission.
Reasonable in design of the present invention, closing by hand, sub-switching operation are convenient, and operating mechanism closes a floodgate, separating brake good stability; It is suitable as operating mechanism in high-voltage switch gear manual brake separating, closing a floodgate uses, ex hoc genus anne the architecture advances of product.
Accompanying drawing explanation
Fig. 1 is plan structure schematic diagram of the present invention.
Fig. 2 is main TV structure schematic diagram of the present invention.
Fig. 3 is right TV structure schematic diagram of the present invention, has made partial cross in figure.
Figure number and title: 1, closing pawl, 2, combined floodgate semiaxis, 3, separating brake buckle, 4, separating brake semiaxis, 5, rear plate, 6, front plate, 7, button push pedal, the 8, first bearing pin, the 9, second bearing pin, 10, connecting rod, 11, closing by hand push pedal, 12, extension spring, 13, push rod, 14, actuator bracket, 15, manual brake separating push pedal, 16, the 3rd bearing pin, the 17, the 4th bearing pin.
Embodiment
Now by reference to the accompanying drawings, structure of the present invention and use are further described.As shown in FIG. 1 to 3, be provided with combined floodgate semiaxis 2 and separating brake semiaxis 4 between the rear plate 5 of this operating mechanism hand push button device and front plate 6, the closing pawl 1 arranged between rear plate with front plate and separating brake buckle 3 deduct mutually with combined floodgate semiaxis and separating brake semiaxis respectively; One end that combined floodgate semiaxis and separating brake semiaxis stretch out front plate is respectively equipped with closing by hand push pedal 11 and manual brake separating push pedal 15, and push rod 13 one end of separating brake, combined floodgate hand push button assembly is relative with the upset end of closing by hand push pedal, manual brake separating push pedal respectively.Simultaneously, one end of closing pawl is connected with combined floodgate camshaft, and the end barb of the other end deducts mutually with combined floodgate semiaxis, and closing pawl is in " ^ " font, the turn of bilge of closing pawl is provided with rotating shaft, and the curved mouth of closing pawl is towards the side between combined floodgate semiaxis and combined floodgate camshaft.The end barb of separating brake buckle one end deducts mutually with separating brake semiaxis, and the roller of the other end and separating brake cam swing one end offsets, and closing pawl is in " ^ " font, and the turn of bilge of separating brake buckle is also provided with rotating shaft; On separating brake buckle separating brake semiaxis offset end separating brake cam swing side be provided with crotch, be provided with limit shaft inside the hook of crotch, the curved mouth of separating brake buckle is towards limit shaft side, and the separating brake cam swing end of separating brake buckle is to separating brake cam swing lateral bend.
The hand push button device concrete structure of this operating mechanism is: separating brake, combined floodgate hand push button assembly comprises two groups of button push pedals 7 respectively, connecting rod 10, extension spring 12, push rod 13, actuator bracket 14, described actuator bracket is in " L " font opening, connecting plate between the long limit end opening of actuator bracket is installed on front plate, short end opening exceeds front plate, button push pedal is provided with between the opening of this end, button push pedal is in " L " oxbow, the curved end of button push pedal toward the outer side, the other end is connected with one end of connecting rod by the second bearing pin 9, second bearing pin is arranged in the symmetrically arranged upper hopper chute in this place of actuator bracket, the first bearing pin 8 is provided with outside the button push pedal of the second bearing pin same level, first bearing pin is also arranged in the upper hopper chute of actuator bracket, the other end of described connecting rod is connected with the other end of push rod by the 3rd bearing pin 16, push rod is connected with the long limit end of actuator bracket by the 4th bearing pin 17, the push rod at the 4th this place of bearing pin is provided with gliding groove, and the 3rd bearing pin is connected by the fixed pin shaft of extension spring with actuator bracket inner-diameter end angle place.Simultaneously, button push pedal, push rod, connecting rod, extension spring are arranged at the opening inside diameter of corresponding button support respectively, pull bar and push rod are one group, lay respectively at closing by hand push pedal and manual brake separating push pedal upset end actuator bracket in side, extension spring lays respectively at the opposite side in actuator bracket.
Its operation principle is specific as follows: this operating mechanism closing by hand process is by button press push pedal 7, make button push pedal 7 drive the first bearing pin 8, second bearing pin 9 to promote inwards along actuator bracket 14 cross slide way groove, second bearing pin 9 drivening rod 10 one end promotes inwards along actuator bracket 14 cross slide way groove simultaneously.Connecting rod 10 other end is arranged on the 3rd bearing pin 16,3rd bearing pin 16 is equipped with push rod 13 and extension spring 12 simultaneously, extension spring 12 other end is arranged on actuator bracket 14, push rod 13 other end is contained in the 4th bearing pin 17, also be arranged in the longitudinal rail groove of actuator bracket 14 simultaneously, connecting rod 10 inwards in pushing course the other end drive the 3rd bearing pin 16 to promote along actuator bracket 14 longitudinal rail groove downwards; Pull open extension spring 12 simultaneously and promote push rod 13 and also promote downwards, push rod 13 other end touches closing by hand push pedal 11, makes closing by hand push pedal 11 by combined floodgate semiaxis 2 central rotation, this operating mechanism is closed a floodgate, then release button push pedal 7, corresponding part resets under the effect of extension spring 12.
This operating mechanism manual brake separating process is by button press push pedal 7, make button push pedal 7 drive the first bearing pin 8, second bearing pin 9 to promote inwards along actuator bracket 14 cross slide way groove, second bearing pin 9 drivening rod 10 one end promotes inwards along actuator bracket 14 cross slide way groove simultaneously.Connecting rod 10 other end is arranged on the 3rd bearing pin 16,3rd bearing pin 16 is equipped with push rod 13 and extension spring 12 simultaneously, extension spring 12 other end is arranged on actuator bracket 14, push rod 13 other end is contained in the 4th bearing pin 17, also be arranged in the longitudinal rail groove of actuator bracket 14 simultaneously, connecting rod 10 inwards in pushing course the other end drive the 3rd bearing pin 16 to promote along actuator bracket 14 longitudinal rail groove downwards; Pull open extension spring 12 simultaneously and promote push rod 13 and also promote downwards, push rod 13 other end touches manual brake separating push pedal 15, makes manual brake separating push pedal 15 by separating brake semiaxis 4 central rotation, makes this operating mechanism separating brake, then release button push pedal 7, corresponding part resets under the effect of extension spring 12.
In sum, the present invention relates to mains supply corollary apparatus field, its technical purpose is that in order to solve in High-voltage Switchgear Industry, operating physical force in mechanism manual pushbutton unit course of action is large, one side guiding wild effect, the technical problem such as cause closing by hand or separating brake is unreliable and designing.Technical scheme of the present invention by installing two-way parallel transverse on front plate, longitudinal rail promotes semiaxis, make its manual breaking-closing operating power little, reliable, action puts in place stable, mechanism can not produce close by mistake, point phenomenon by mistake.
Claims (5)
1. an operating mechanism hand push button device, be provided with combined floodgate semiaxis (2) and separating brake semiaxis (4) between the rear plate (5) of this operating mechanism hand push button device and front plate (6), the closing pawl arranged between rear plate with front plate (1) and separating brake buckle (3) deduct mutually with combined floodgate semiaxis and separating brake semiaxis respectively, one end that combined floodgate semiaxis and separating brake semiaxis stretch out front plate is respectively equipped with closing by hand push pedal (11) and manual brake separating push pedal (15), and push rod (13) one end of separating brake, combined floodgate hand push button assembly is relative with the upset end of closing by hand push pedal, manual brake separating push pedal respectively, it is characterized in that described separating brake, combined floodgate hand push button assembly comprises two groups of button push pedals (7) respectively, connecting rod (10), extension spring (12), push rod (13), actuator bracket (14), described actuator bracket is in " L " font opening, connecting plate between the long limit end opening of actuator bracket is installed on front plate (6), short end opening exceeds front plate, button push pedal is provided with between the opening of this end, button push pedal is in " L " oxbow, the curved end of button push pedal toward the outer side, the other end is connected with one end of connecting rod by the second bearing pin (9), second bearing pin is arranged in the symmetrically arranged upper hopper chute in this place of actuator bracket, the first bearing pin (8) is provided with outside the button push pedal of the second bearing pin same level, first bearing pin is also arranged in the upper hopper chute of actuator bracket, the other end of described connecting rod is connected with the other end of push rod by the 3rd bearing pin (16), push rod is connected with the long limit end of actuator bracket by the 4th bearing pin (17), the push rod at the 4th this place of bearing pin is provided with gliding groove, and the 3rd bearing pin is connected by the fixed pin shaft of extension spring with actuator bracket inner-diameter end angle place.
2. operating mechanism hand push button device according to claim 1, it is characterized in that described button push pedal (7), opening inside diameter that push rod (13), connecting rod (10), extension spring (12) are arranged at corresponding button support (14) respectively, pull bar and push rod are one group, lay respectively at closing by hand push pedal (11) and manual brake separating push pedal (15) upset end actuator bracket in side, extension spring lays respectively at the opposite side in actuator bracket.
3. operating mechanism hand push button device according to claim 1, it is characterized in that one end of described closing pawl (1) is connected with combined floodgate camshaft, the end barb of the other end deducts mutually with combined floodgate semiaxis (2), closing pawl is in " ^ " font, the turn of bilge of closing pawl is provided with rotating shaft, and the curved mouth of closing pawl is towards the side between combined floodgate semiaxis and combined floodgate camshaft.
4. operating mechanism hand push button device according to claim 1, it is characterized in that the end barb of described separating brake buckle (3) one end deducts mutually with separating brake semiaxis (4), the roller of the other end and separating brake cam swing one end offsets, closing pawl is in " ^ " font, and the turn of bilge of separating brake buckle is also provided with rotating shaft; On separating brake buckle separating brake semiaxis offset end separating brake cam swing side be provided with crotch, be provided with limit shaft inside the hook of crotch, the curved mouth of separating brake buckle is towards limit shaft side, and the separating brake cam swing end of separating brake buckle is to separating brake cam swing lateral bend.
5. the actuating method of operating mechanism hand push button device according to claim 1, is characterized in that described button push pedal (7) is converted into the downward power of actuator bracket longitudinal rail groove by actuator bracket (14) cross slide way groove power inwards; Namely after this operating mechanism energy storage puts in place, by pressing the button push pedal of combined floodgate hand push button assembly, make that button push pedal drives the first bearing pin (8), the second bearing pin (9) promotes inwards along actuator bracket cross slide way groove, second bearing pin drivening rod (10) one end promotes inwards along actuator bracket cross slide way groove simultaneously, and deformation occurs in extension spring (12); Connecting rod inwards in pushing course the other end drive the 3rd bearing pin (16) to promote along actuator bracket longitudinal rail groove downwards, pull open extension spring simultaneously and promote push rod (13) and also promote downwards, the push rod other end touches closing by hand push pedal (11), make closing by hand push pedal by combined floodgate semiaxis (2) central rotation, this operating mechanism is closed a floodgate, then release button push pedal, button push pedal, connecting rod, push rod reset under the effect of extension spring; Meanwhile, according to above-mentioned same principle, press the button push pedal of another component lock hand push button assembly, push rod touches manual brake separating push pedal (15), makes manual brake separating push pedal by separating brake semiaxis (4) central rotation, makes this operating mechanism separating brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410488375.7A CN104319158B (en) | 2014-09-22 | 2014-09-22 | Operating mechanism hand push button device and actuating method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410488375.7A CN104319158B (en) | 2014-09-22 | 2014-09-22 | Operating mechanism hand push button device and actuating method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104319158A true CN104319158A (en) | 2015-01-28 |
| CN104319158B CN104319158B (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410488375.7A Active CN104319158B (en) | 2014-09-22 | 2014-09-22 | Operating mechanism hand push button device and actuating method thereof |
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| Country | Link |
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| CN (1) | CN104319158B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252107A (en) * | 2016-09-30 | 2016-12-21 | 铜陵市超越电子有限公司 | A kind of capacitor push device for processing |
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| US20110000768A1 (en) * | 2008-03-28 | 2011-01-06 | Kabushiki Kaisha Toshiba | Switchgear and switchgear operating mechanism |
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| CN202487492U (en) * | 2012-02-28 | 2012-10-10 | 上海西门子开关有限公司 | Vacuum breaker and spring operating mechanism thereof |
| CN202633079U (en) * | 2012-07-13 | 2012-12-26 | 杨波 | Novel spring operating mechanism |
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| US20110000768A1 (en) * | 2008-03-28 | 2011-01-06 | Kabushiki Kaisha Toshiba | Switchgear and switchgear operating mechanism |
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| CN202487492U (en) * | 2012-02-28 | 2012-10-10 | 上海西门子开关有限公司 | Vacuum breaker and spring operating mechanism thereof |
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| CN104319158B (en) | 2016-06-15 |
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Effective date of registration: 20230907 Address after: 315408 No. 216, Weisan Road, Langxia street, Yuyao City, Ningbo City, Zhejiang Province Patentee after: Ningbo jianrun electromechanical Co.,Ltd. Address before: 315408 No. 216, Xinlang Road, Langxia street, Yuyao City, Ningbo City, Zhejiang Province Patentee before: NINGBO SHUNLI HIGH VOLTAGE SWITCHGEAR TECHNOLOGY CO.,LTD. |