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CN106206153B - The bipolar vacuum circuit breaker of outdoor railway - Google Patents

The bipolar vacuum circuit breaker of outdoor railway Download PDF

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Publication number
CN106206153B
CN106206153B CN201610792374.0A CN201610792374A CN106206153B CN 106206153 B CN106206153 B CN 106206153B CN 201610792374 A CN201610792374 A CN 201610792374A CN 106206153 B CN106206153 B CN 106206153B
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CN
China
Prior art keywords
transmission
pull rod
insulated pull
circuit breaker
vacuum circuit
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Application number
CN201610792374.0A
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Chinese (zh)
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CN106206153A (en
Inventor
叶哲仁
晏文曲
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Huayi Electric Apparatus Group
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Huayi Electric Apparatus Group
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Priority to CN201610792374.0A priority Critical patent/CN106206153B/en
Publication of CN106206153A publication Critical patent/CN106206153A/en
Application granted granted Critical
Publication of CN106206153B publication Critical patent/CN106206153B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66Vacuum switches
    • H01H33/666Operating arrangements

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  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

The present invention provides a kind of bipolar vacuum circuit breakers of outdoor railway.The open air railway includes: pole with bipolar vacuum circuit breaker, if there are two;Insulated pull rod is equipped with two;Operating mechanism for driving insulated pull rod to switch in closing position and open position, and has the drive rod to output power with linear-movable manner, and the linear movement direction of drive rod is parallel with the linear movement direction of insulated pull rod;Transmission mechanism, including two sets of transmission components, two sets of transmission components respectively drive the insulated pull rod linear movement connecting with transmission component under the linear drives of drive rod.Open air railway provided by the invention is in bipolar vacuum circuit breaker, the movement of two insulated pull rods is independent from each other, it is driven respectively by different transmission components, another pole will not be influenced because of the damage of one of pole, in maintenance, producer does not need that parameter is adjusted to the two poles of the earth simultaneously in this way, repairs so more convenient.

Description

The bipolar vacuum circuit breaker of outdoor railway
Technical field
The present invention relates to high-tension switch gear technical fields, and in particular to a kind of bipolar vacuum circuit breaker of open air railway.
Background technique
Outdoor railway is mainly used in the traction for the electric railway that voltage class is 27.5kV with bipolar vacuum circuit breaker The places such as electric substation, subregion pavilion, switching station are used as opening and closing load current, overload current and short circuit current.
In actual use, it is often desirable that two poles of the bipolar vacuum circuit breaker of outdoor railway can be realized simultaneously Switch closing and switch opening, convenient for operation and control, for this purpose, as shown in Figure 1, Chinese patent literature CN201766039 discloses a kind of electricity Gasify railway single-phase bipolar circuit breaker, comprising: fixed frame 13;Transmission case 8 on fixed frame 13, tool in transmission case 8 are set There is jointed gear unit 9;Actuating case 12 on transmission case 8 is set, there is operating mechanism 11 in actuating case 12;Setting is being driven Insulation column 3 on case 8;The pole 1 being connect by lower wire outlet seat 2 with insulation column 3.Wherein, it is provided on transmission case 8 Lower guide part 7 is provided with guide part 5 on lower wire outlet seat 2, and the pull rod 4 in pole 1 passes through upper guide part 5 and insulation branch 6 upper end of insulated pull rod connection in column 3,6 lower end of insulated pull rod passes through lower guide part 7 and connect with transmission mechanism 9.Transmission mechanism 9 By the second connecting lever component 16 connecting with insulated pull rod 6, first connect by first connecting rod 15 with the second connecting lever component 16 is turned Arm component 14 forms, wherein the first connecting lever component 14 is connect by second connecting rod 10 with operating mechanism 11.
Electric railway single-phase bipolar circuit breaker in above patent document is driven in transmission by operating mechanism 11 The movement of first connecting lever component 14, and then drive first connecting rod 15 and second connecting rod 10 to move by the first connecting lever component 14, in turn The movement of the second connecting lever component 16 is driven by the linkage of first connecting rod 15 and second connecting rod 10, and then passes through the second connecting lever component 16 Movement respectively drive both sides insulated pull rod movement.Although above-mentioned electric railway single-phase bipolar circuit breaker can be realized two Switch closing and switch opening while pole, but when post debugging on sale dismounting, since the second connecting lever component 16 must be by first Linkage between connecting rod and second connecting rod drives, thus if one of pole damages needs debugging dismounting, another Pole is also required to carry out relevant debugging dismounting work and is repairing in this way so that two poles can be realized while switch closing and switch opening When producer need that parameter is adjusted to the two poles of the earth simultaneously, repair in this way and inconvenient.
Summary of the invention
The present invention is intended to provide a kind of be easily installed and the bipolar vacuum circuit breaker of the outdoor railway of after-sales service.
To achieve the above object, the present invention provides a kind of bipolar vacuum circuit breakers of outdoor railway, comprising: sealing pole Column, if there are two;Insulated pull rod, be equipped with two, be movably linearly arranged at corresponding pole respectively, and have with The corresponding closing position of the "on" position of corresponding pole and the corresponding open position of gate-dividing state;Operating mechanism is used Switch in driving insulated pull rod in closing position and open position, and there is the driving to be outputed power with linear-movable manner Bar, and the linear movement direction of drive rod is parallel with the linear movement direction of insulated pull rod;Transmission mechanism, including two sets of transmission groups Part, two sets of transmission components respectively drive the insulated pull rod linear movement connecting with transmission component under the linear drives of drive rod.
Further, transmission mechanism further includes transmission case, and transmission component includes lever connecting lever, and lever connecting lever is hinged on transmission On case, and second end of the lever connecting lever with the first end hinged with drive rod and for driving insulated pull rod to move.
It further, further include the power transmission component being arranged between the second end and insulated pull rod of lever connecting lever, power passes The driving of the second end of lever connecting lever is converted to the linear movement of driving insulated pull rod by dynamic component.
Further, power transmission component includes: transmission shaft, and first end and the second end of lever connecting lever are hinged;Transmission is turned Arm is hinged on transmission case, and one end of transmission crank arm and the second end of transmission shaft are hinged, and the other end is hinged with insulated pull rod.
Further, transmission mechanism further include: the limit journey part between transmission crank arm and transmission case is set, to turn to transmission The driving trip of arm is limited.
Further, limit journey part includes the excess of stroke spring being set in insulated pull rod, and one end and the transmission of excess of stroke spring are turned Arm abuts against, and the other end and the transmission case of excess of stroke spring abut against.
Further, transmission mechanism further includes return unit, and the partial pressure of return unit is protected in insulated pull rod closing a floodgate After holding force disappears, insulated pull rod is driven to reset to open position from closing position.
Further, return unit includes that one end is connect with transmission crank arm, the reset spring that the other end is connect with transmission case.
Further, the bipolar vacuum circuit breaker of outdoor railway further includes insulating sleeve, and insulating sleeve is set in insulation and draws On the outside of bar.
Further, the bipolar vacuum circuit breaker of outdoor railway further includes manual switch, and manual switch and transmission crank arm join Dynamic setting, and transmission crank arm can be driven to rotate together with manual switch.
Technical solution of the present invention has the advantages that
1. open air railway provided by the invention is in bipolar vacuum circuit breaker, the linear movement side of drive rod in operating mechanism Parallel to the linear movement direction with insulated pull rod, transmission mechanism includes corresponding to two poles, two sets of transmission components of setting, and two Transmission component is covered under the linear drives of drive rod, respectively drives the insulated pull rod linear movement connecting with transmission component, in this way Railway is in bipolar vacuum circuit breaker use process outdoors, and the movement of two insulated pull rods is independent from each other, respectively by not Same transmission component driving will not influence another pole because of the damage of one of pole, and in maintenance, producer is not needed in this way Parameter is adjusted to the two poles of the earth simultaneously, is repaired so more convenient.
2. open air railway provided by the invention is included lever connecting lever in transmission component, is passed through in bipolar vacuum circuit breaker Lever connecting lever and transmission case are hinged, and one end is hinged with drive rod, and one end is used to drive the second end of insulated pull rod, thus The shunting for realizing drive rod output power, it is entire to pass while guaranteeing that two poles are mutual unaffected in installation and after sale The structure of motivation structure is more simple.
3. open air railway provided by the invention passes through the second end and insulation in lever connecting lever in bipolar vacuum circuit breaker Power transmission component is set between pull rod, the driving of the second end of lever connecting lever is converted to the linear movement of driving insulated pull rod, So as to be adapted with the position of insulated pull rod and stroke, preferably realize insulated pull rod between closing position and open position Switching.
4. open air railway provided by the invention is in bipolar vacuum circuit breaker, by setting between transmission crank arm and transmission case Set limit journey part, can to avoid insulated pull rod, stroke is excessive during the motion, to pole generate damage, improve product Reliability.
5. open air railway provided by the invention passes through setting and transmission crank arm linkage setting in bipolar vacuum circuit breaker Manual switch, to may be used also in addition to the switching using operating mechanism driving insulated pull rod between closing position and open position By by being to realize above-mentioned switching purpose in a manner of manually, more regulating measures improve the convenience degree of operation.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.In the accompanying drawings:
Fig. 1 is the structural scheme of mechanism of the bipolar vacuum circuit breaker of outdoor railway in the prior art;
Fig. 2 is the structural scheme of mechanism of the bipolar vacuum circuit breaker of outdoor railway in the embodiment of the present invention;
Fig. 3 is the enlarged structure schematic diagram in the portion A shown in Fig. 2;
Fig. 4 is the schematic perspective view of transmission mechanism in the embodiment of the present invention.
Wherein, the appended drawing reference in above-mentioned attached drawing are as follows:
10- insulated pull rod;20- operating mechanism;21- drive rod;30- transmission mechanism;31- transmission case;32- lever connecting lever; 33- transmission shaft;34- transmission crank arm;35- limits journey part;36- return unit;40- insulating sleeve;50- pole.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
As shown in Figures 2 to 4, the outdoor bipolar vacuum circuit breaker of railway according to an embodiment of the present invention includes: sealing pole Column 50, if there are two;Insulated pull rod 10 is equipped with two, is movably linearly arranged at corresponding pole 50 respectively, and With with the corresponding closing position of "on" position of corresponding pole 50 and the corresponding open position of gate-dividing state;Behaviour Motivation structure 20 will be moved for driving insulated pull rod 10 in closing position and open position switching, and having with linear-movable manner The drive rod 21 of power output, and the linear movement direction of drive rod 21 is parallel with the linear movement direction of insulated pull rod;Driver Structure 30, including two sets of transmission components, two sets of transmission components respectively drive and connect with transmission component under the linear drives of drive rod 21 The insulated pull rod 10 connect moves linearly.To in outdoor railway provided by the invention in bipolar vacuum circuit breaker, operating mechanism The linear movement direction of drive rod 21 is parallel with the linear movement direction of insulated pull rod 10 in 20, and transmission mechanism 30 includes corresponding two Two sets of transmission components are arranged in pole 50, and two sets of transmission components respectively drive and transmission group under the linear drives of drive rod The insulated pull rod 10 of part connection moves linearly, and for railway in bipolar vacuum circuit breaker use process, two thoroughly do away with edge outdoors in this way The movement of pull rod 10 is independent from each other, and is driven respectively by different transmission components, will not be because of the damage shadow of one of pole Another pole is rung, producer does not need that parameter is adjusted to the two poles of the earth simultaneously in maintenance in this way, repairs so more convenient.
With further reference to Fig. 4, the power transmission component in the embodiment of the present invention includes: transmission shaft 33, with lever connecting lever 32 Second end is hinged;Transmission crank arm 34 is hinged on transmission case 31, and one end of transmission crank arm 34 and transmission shaft 33 are hinged, another End is hinged with insulated pull rod 10.In transmission, for closing a floodgate, transmission shaft 33 is oliquely downward transported under the action of lever connecting lever 32 It is dynamic, and then the transmission crank arm 34 being hinged on transmission case 31 is pushed to rotate, drive the insulated pull rod 10 of 34 other end of transmission crank arm It moves upwards, to realize making process.
Preferably, the transmission mechanism 30 in the embodiment of the present invention further include: be arranged in transmission crank arm 34 and insulated pull rod 10 Between limit journey part 35, limited with the driving trip to transmission crank arm 34, can be to avoid insulated pull rod 10 in motion process Middle formation is excessive, generates damage to pole 50, improves the reliability of product.Limit journey part 35 includes being set in insulated pull rod Excess of stroke spring on 10, one end and the transmission crank arm 34 of excess of stroke spring abut against, the other end and 31 phase of transmission case of excess of stroke spring It abuts, in making process, transmission crank arm 34 will push insulated pull rod 10 and move upwards, and can compress excess of stroke bullet in the process Spring, until the elastic force of excess of stroke spring is equal with the driving force of transmission crank arm 34, at this moment insulated pull rod 10 is no longer moved, and is realized to exhausted The restriction of 10 shift position of edge pull rod, and excess of stroke spring is used, have the advantages that material is easy to obtain in this way.
As shown in figure 4, the transmission mechanism 30 in the embodiment of the present invention further include: return unit 36, to drive insulated pull rod 10 It resets, specific return unit 36 includes that one end is connect with transmission crank arm 34, the reset spring that the other end is connect with transmission case 31.Pass through Setting one end is connect with transmission crank arm 34, the reset spring that the other end is connect with transmission case 31, during combined floodgate, Ke Yila Dynamic reset spring, during separating brake, after the power of actuator disappears, insulated pull rod 10 can reset bullet from closing position Under the action of spring, driving transmission crank arm 34 is reset to open position up to insulated pull rod 10, realizes separating brake process automatically.When So, during the opening process, compressed excess of stroke spring also has the active force for resetting insulated pull rod 10, and insulation can be pushed to draw Bar 10 resets.
Preferably, the bipolar vacuum circuit breaker of the outdoor railway in the embodiment of the present invention further includes insulating sleeve 40, insulation Sleeve 40 is set in 10 outside of insulated pull rod, to improve the insulation performance of insulated pull rod 10, has further ensured that outdoor railway is used The safe and stable operation of bipolar vacuum circuit breaker.
Preferably, the bipolar vacuum circuit breaker of outdoor railway further includes manual switch, manual switch and transmission crank arm 34 Dynamic setting, and transmission crank arm 34 can be driven to rotate together with manual switch.By the way that the hand with the linkage setting of transmission crank arm 34 is arranged Dynamic switch, thus in addition to driving switching of the insulated pull rod 10 between closing position and open position using operating mechanism 20, also It can be to realize above-mentioned switching purpose by manually mode, more regulating measures improve the convenience degree of operation.
Below with reference to Fig. 2 to Fig. 4 to the switching mistake of the bipolar vacuum circuit breaker of outdoor railway in the embodiment of the present invention Journey is described:
From gate-dividing state to "on" position, the switch knob in operating mechanism 20, the energy storage bullet in operating mechanism 20 are operated Spring resets, while mechanism output axle installing plate is rotated up, and driver plate and drive rod 21 is driven to move upwards drive transmission device 30.Under the driving of drive rod 21, the first end of lever connecting lever 32, which moves upwards, drives lever connecting lever 32 to rotate, lever connecting lever 32 Rotation drive its second end to move downward, and then pull transmission shaft 33 move downward, with transmission shaft 33 cooperate transmission crank arm 34 can rotate, on the one hand transmission crank arm 34 will drive insulated pull rod 10 and move up realization insulated pull rod 10 while rotation Switch from open position to closing position, the vacuum interrupter in integrated solid sealed pole 50 is moved upwards by insulated pull rod 10 and closed It closes, completes making process.On the other hand meeting stretches reset spring, while compressing limit journey spring.
From "on" position to gate-dividing state, after operating mechanism 20 removes power, transmission crank arm 34 is in reset spring and limit It is rotated under the action of the restoring force of journey spring, and then insulated pull rod 10 is driven to move downward, the vacuum in integrated solid sealed pole 50 Arc-chutes move downward separation by insulated pull rod 10, complete separating brake process.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or It changes still within the protection scope of the invention.

Claims (8)

1. a kind of bipolar vacuum circuit breaker of open air railway characterized by comprising
Pole (50), if there are two;
Insulated pull rod (10) is equipped with two, is movably linearly arranged at the corresponding pole (50) respectively, and have Have and the corresponding closing position of "on" position and the corresponding sub-gate position of gate-dividing state of the corresponding pole (50) It sets;
Operating mechanism (20), for driving the insulated pull rod (10) to switch in the closing position and the open position, and With the drive rod (21) to be outputed power with linear-movable manner, and the linear movement direction of the drive rod (21) with it is described The linear movement direction of insulated pull rod is parallel;
Transmission mechanism (30), including transmission case (31), transmission crank arm (34) and two sets of transmission components, two sets of transmission components exist Under the linear drives of the drive rod (21), respectively drives the insulated pull rod (10) straight line connecting with the transmission component and move It is dynamic;
The transmission mechanism (30) further includes the limit journey part (35) being arranged between transmission crank arm (34) and insulated pull rod (10), limit Journey part (35) includes the excess of stroke spring being set on insulated pull rod (10), one end of the excess of stroke spring and the transmission crank arm (34) it abuts against, the other end and the transmission case (31) of the excess of stroke spring abut against.
2. open air railway bipolar vacuum circuit breaker according to claim 1, which is characterized in that the transmission component includes Lever connecting lever (32), the lever connecting lever (32) are hinged on the transmission case (31), and the lever connecting lever (32) have with The hinged first end of the drive rod (21) and for drive the insulated pull rod (10) move second end.
3. the bipolar vacuum circuit breaker of open air railway according to claim 2, which is characterized in that further include being arranged described Power transmission component between the second end and the insulated pull rod (10) of lever connecting lever (32), the power transmission component is by the thick stick The driving of the second end of bar connecting lever (32) is converted to the linear movement for driving the insulated pull rod (10).
4. the bipolar vacuum circuit breaker of open air railway according to claim 3, which is characterized in that the transmission crank arm (34) Be molded on the transmission component, the power transmission component includes transmission shaft (33), transmission shaft (33) first end with it is described The second end of lever connecting lever (32) is hinged, and the transmission crank arm (34) is hinged on the transmission case (31), and the transmission is turned One end of arm (34) and the second end of the transmission shaft (33) are hinged, and the other end and the insulated pull rod (10) are hinged.
5. the bipolar vacuum circuit breaker of open air railway according to claim 4, which is characterized in that the transmission mechanism (30) It further include return unit (36), the partial pressure of the return unit (36) is on the insulated pull rod (10), in closing retention force After disappearance, the insulated pull rod (10) is driven to reset to open position from closing position.
6. the bipolar vacuum circuit breaker of open air railway according to claim 5, which is characterized in that return unit (36) packet It includes one end to connect with the transmission crank arm (34), the reset spring that the other end is connect with the transmission case (31).
7. the bipolar vacuum circuit breaker of open air railway according to any one of claim 1 to 6, which is characterized in that described The bipolar vacuum circuit breaker of outdoor railway further includes insulating sleeve (40), and the insulating sleeve (40) is set in the insulated pull rod (10) outside.
8. the bipolar vacuum circuit breaker of the outdoor railway according to any one of claim 4 to 6, which is characterized in that described Outdoor railway further includes manual switch with bipolar vacuum circuit breaker, and the manual switch is set with the transmission crank arm (34) linkage It sets, and the transmission crank arm (34) can be driven to rotate together with the manual switch.
CN201610792374.0A 2016-08-31 2016-08-31 The bipolar vacuum circuit breaker of outdoor railway Active CN106206153B (en)

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CN201610792374.0A CN106206153B (en) 2016-08-31 2016-08-31 The bipolar vacuum circuit breaker of outdoor railway

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CN106206153B true CN106206153B (en) 2018-12-14

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108493071A (en) * 2018-05-18 2018-09-04 中国电力科学研究院有限公司 A kind of high-voltage circuitbreaker with permanent magnet synchronous motor operating mechanism
CN111917016B (en) * 2020-08-12 2022-05-27 杭州万禾电力科技有限公司 Large capacity looped netowrk cabinet of insulating mode of environment-friendly

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4612428A (en) * 1984-07-25 1986-09-16 Alsthom Compressed gas circuit breaker able to be assembled and disassembled without a significant loss of gas
US4814560A (en) * 1987-04-09 1989-03-21 Asea Brown Boveri Ab High voltage circuit breaker
CN103460326A (en) * 2011-05-17 2013-12-18 三菱电机株式会社 Gas circuit breaker
CN203536329U (en) * 2013-11-08 2014-04-09 沈阳工业大学 Superspeed mechanical switch
CN205992498U (en) * 2016-08-31 2017-03-01 华仪电气股份有限公司 The bipolar vacuum circuit breaker of outdoor railway

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4612428A (en) * 1984-07-25 1986-09-16 Alsthom Compressed gas circuit breaker able to be assembled and disassembled without a significant loss of gas
US4814560A (en) * 1987-04-09 1989-03-21 Asea Brown Boveri Ab High voltage circuit breaker
CN103460326A (en) * 2011-05-17 2013-12-18 三菱电机株式会社 Gas circuit breaker
CN203536329U (en) * 2013-11-08 2014-04-09 沈阳工业大学 Superspeed mechanical switch
CN205992498U (en) * 2016-08-31 2017-03-01 华仪电气股份有限公司 The bipolar vacuum circuit breaker of outdoor railway

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