CN105470032A - Electric locomotive and grounding switch - Google Patents
Electric locomotive and grounding switch Download PDFInfo
- Publication number
- CN105470032A CN105470032A CN201510765647.8A CN201510765647A CN105470032A CN 105470032 A CN105470032 A CN 105470032A CN 201510765647 A CN201510765647 A CN 201510765647A CN 105470032 A CN105470032 A CN 105470032A
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- CN
- China
- Prior art keywords
- earthed switch
- assembling
- ground connection
- backstop
- bull stick
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/003—Earthing switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention provides a grounding switch used for being matched with a vertical vacuum circuit breaker for usage. The grounding switch comprises a high-voltage conductive mechanism, a middle supporting mechanism, a transmission mechanism, a locking mechanism and a state feedback mechanism. The grounding switch is arranged on a line side cabinet skeleton. The high-voltage conductive mechanism comprises a rotary rod and a plurality of contact spring leafs, and the plurality of contact spring leafs are arranged on the rotary rod from top to bottom. The high-voltage conductive mechanism is used for conducting electricity, the middle supporting mechanism is used for supporting the high-voltage conductive mechanism and the transmission mechanism. The transmission mechanism is used for transmitting movements among parts. The locking mechanism is used for locking and limiting the high-voltage grounding switch to two limiting positions. The state feedback mechanism is used for feeding back states to a locomotive main circuit. The grounding switch is integrally arranged on the line side cabinet skeleton. By adopting the design, the grounding switch capable of being matched with the vertical vacuum circuit breaker for usage is realized. The invention further provides an electric locomotive comprising the grounding switch.
Description
Technical field
The application relates to electric locomotive equipment technical field, more particularly, relates to a kind of earthed switch.The application also relates to a kind of electric locomotive comprising above-mentioned earthed switch.
Background technology
High voltage ground switch of the prior art mostly is BTE series, supports the use, be installed on roof more with the main circuit breaker of L shape horizontal type, is mainly divided into part in the outer part of car and car.Be widely used in the motor train unit such as electric locomotive and CRH1, CRH3 such as HXD1, HXD1B, HXD1C, HXD1F, iron eight, Shenhua eight axle.
Along with the development of electric locomotive, the High-Voltage Electrical Appliances such as vacuum circuit-breaker and high voltage ground switch are installed to change in cabinet by roof gradually and are installed, therefore, develop the vertical type vacuum circuit breaker that volume is less, weight is lighter, the high voltage ground switch of existing BTE structure cannot support the use with it.
Therefore, how to provide a kind of can with vertical type vacuum circuit breaker with the use of earthed switch, be current those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, this application provides a kind of earthed switch, with realize providing a kind of can with vertical type vacuum circuit breaker with the use of earthed switch.Present invention also provides a kind of electric locomotive comprising above-mentioned earthed switch.
In order to achieve the above object, the application provides following technical scheme:
A kind of earthed switch, for with vertical type vacuum circuit breaker with the use of, comprise high-pressure conductive mechanism, medial support mechanisms, transmission mechanism, blocking mechanism and state feedback mechanism, earthed switch is positioned on the cabinet skeleton of net side, high-pressure conductive mechanism comprises bull stick and multiple touch spring sheet, and multiple touch spring sheet is arranged on bull stick up and down; When earthed switch is transformed into ground connection position by working position or is transformed into working position by ground connection position, transmission mechanism drives bull stick and touch spring sheet mounted thereto to rotate, and makes touch spring sheet with the blade contact on vacuum circuit-breaker or separates.
Optionally, medial support mechanisms comprises housing and is arranged at the backstop folder of housing upper surface, and backstop folder comprises backstop blade and backstop reed, and when earthed switch is operated to working position, backstop blade slips in backstop reed, transfinites for preventing bar rotation.
Optionally, housing upper surface is provided with earth stud, and earthed switch is connected with net side cabinet skeleton by earth stud.
Optionally, the soft line of aftercurrent ground connection when being provided with between bull stick and housing for making earthed switch be in ground connection position.
Optionally, transmission mechanism comprises joystick assembling, Handle axis, Left Drive axle, inner rotary table assembling, connecting rod assembling, crank assembling and right power transmission shaft, and the connecting rod that rotates through of the Left Drive axle that joystick connects by transmission mechanism assembles the rotation being converted into right power transmission shaft.
Optionally, locking mechanism comprises lock assembling, outer rotary table and bearing, and outer rotary table and bearing interlock, for by locked for the joystick of high voltage ground switch in working position or ground connection position.
Optionally, state feedback mechanism comprises auxiliary interlock apparatus, the first cam, the second cam, and the first cam and the second cam are arranged on right power transmission shaft, makes the roller on auxiliary interlock apparatus be in compressive state or release condition.
The application also provides a kind of electric locomotive, and comprise locomotive body and be arranged at the earthed switch on interior net side cabinet skeleton, earthed switch is the earthed switch of above-mentioned any one.
The earthed switch that the application provides, for with vertical type vacuum circuit breaker with the use of, comprise high-pressure conductive mechanism, medial support mechanisms, transmission mechanism, blocking mechanism and state feedback mechanism, earthed switch is arranged on the cabinet skeleton of net side, high-pressure conductive mechanism comprises bull stick and multiple touch spring sheet, and multiple touch spring sheet is arranged on bull stick up and down; When earthed switch is transformed into ground connection position by working position or is transformed into working position by ground connection position, transmission mechanism drives bull stick and touch spring sheet mounted thereto to rotate, and makes touch spring sheet with the blade contact on vacuum circuit-breaker or separates.High-pressure conductive mechanism for conducting electricity, medial support mechanisms for supporting, transmission mechanism for transmission, blocking mechanism for the locking of position, state feedback mechanism for feedback states, earthed switch is integrally provided on the cabinet skeleton of net side, close to vertical type vacuum circuit breaker, and the bull stick of the vertical layout of high-pressure conductive mechanism, touch spring sheet on it is vertically arranged, and coordinates with the blade position of vertical vacuum circuit-breaker.Adopt this layout design, achieve provide a kind of can with vertical type vacuum circuit breaker with the use of earthed switch.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The general structure schematic diagram of the earthed switch that Fig. 1 provides for the application;
The front view of the earthed switch that Fig. 2 provides for the application;
The left view of the earthed switch that Fig. 3 provides for the application;
The vertical view of the earthed switch that Fig. 4 provides for the application;
The partial sectional view of the earthed switch that Fig. 5 provides for the application;
The earthed switch that Fig. 6 provides for the application operates ground connection position schematic diagram from working position;
The earthed switch that Fig. 7 provides for the application is from ground connection bit manipulation to working position schematic diagram.
In upper figure: 1 is high-pressure conductive mechanism, 2 is medial support mechanisms, 3 is transmission mechanism, 4 is locking mechanism, 5 is state feedback mechanism, 6 is touch spring sheet, 7 is cushion block, 8 is bull stick, 9 is cushion block, 10 is cushion block, 11 is housing, 12 is joystick assembling, 13 is soft line, 14 is earth stud, 15 is outer rotary table, 16 is bearing, 17 is bearing, 18 is connecting rod assembling, 19 is inner rotary table assembling, 20 is bearing, 21 is lock assembling, 22 is Left Drive axle, 23 is Handle axis, catch spring sheet till 24, 25 is backstop blade, 26 is right power transmission shaft, 27 is crank assembling, 28 is socket, 29 is support, 30 is auxiliary interlock apparatus, 31 is the first cam, 32 is the second cam, 33 is protective cover.
Embodiment
This application provides a kind of earthed switch, achieve provide a kind of can with vertical type vacuum circuit breaker with the use of earthed switch.Present invention also provides a kind of electric locomotive comprising above-mentioned earthed switch.
Below in conjunction with the accompanying drawing in the embodiment of the present application, carry out clear, complete description to the technical scheme in the embodiment of the present application, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment of the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the application's protection.
The general structure schematic diagram of the earthed switch that Fig. 1 provides for the application; The front view of the earthed switch that Fig. 2 provides for the application; The left view of the earthed switch that Fig. 3 provides for the application; The vertical view of the earthed switch that Fig. 4 provides for the application; The partial sectional view of the earthed switch that Fig. 5 provides for the application; The earthed switch that Fig. 6 provides for the application operates ground connection position schematic diagram from working position; The earthed switch that Fig. 7 provides for the application is from ground connection bit manipulation to working position schematic diagram.
The earthed switch that the application provides, as Figure 1-5, is followed successively by high-pressure conductive mechanism 1, medial support mechanisms 2, inner operating mechanism, i.e. transmission mechanism 3, locking mechanism 4 and state feedback mechanism 5 from top to bottom and forms.High-pressure conductive mechanism 1 comprises touch spring sheet 6, cushion block 7 and bull stick 8.Medial support mechanisms 2 is mainly used in connecting high-pressure conductive mechanism 1 and inner operating mechanism 3, comprises housing 11, cushion block 9, cushion block 10, backstop reed 24, backstop blade 25, soft line 13, earth stud 14.Inner transmission mechanism 3 comprises joystick assembling 11, connecting rod assembling 18, inner rotary table assembling 19, Left Drive axle 22, Handle axis 23, right power transmission shaft 26, crank assembling 27.Locking mechanism 4 comprises outer rotary table 15, bearing 16, bearing 17, lock assembling 21.State feedback mechanism comprises auxiliary interlock apparatus 30, first cam 31, second cam 32, socket 28.Wherein, bearing 20, protective cover 33 are respectively used to the axial location of Left Drive axle 22 and right power transmission shaft 26.
Solution of the present invention is, a kind of novel grounded switch supporting with vertical type vacuum circuit breaker.This earthed switch is arranged on the cabinet skeleton of net side by housing 11.For coordinating vertical type vacuum circuit breaker to use, the current-carrying part on earthed switch housing 11 top adopts the upright structures of upper and lower arrangement formula reed, medial support mechanisms 2 to comprise the backstop folder of housing 11 and housing 11 upper surface; Inner transmission mechanism 3 comprises two axles and inside and outside two rotating disks installed on Left Drive axle 22, joystick assembling 12, Handle axis 23, connecting rod assembling 18 and the crank assembling 27 of left and right placement.Wherein, the control crank in joystick assembling 12 coordinates with housing 11 in ground connection position and working position, and realize screens, need lift handle certain angle during rotation could operate, to reach the object preventing from vibrating and interlocking.
Operating principle of the present invention is as follows: when lifting the control crank in joystick assembling 12, turning handle axle 23, Left Drive axle 22 and inside and outside rotating disk 15 mounted thereto is driven to rotate, again by connecting rod assembling 18, pass to right power transmission shaft 26 and on crank assembling 27 rotate, and then the band bull stick 8 be automatically connected on right power transmission shaft 26 rotates, and realizes the change of high voltage ground switch state.
In sum, the present invention includes the high-pressure conductive mechanism 1 on top, medial support mechanisms 2, inner transmission mechanism 3, locking mechanism 4 and state feedback mechanism 5 etc.Earthed switch is arranged on the cabinet skeleton of net side, and high-pressure conductive mechanism 1 comprises bull stick 8 and multiple touch spring sheet 6, and multiple touch spring sheet about 6 is arranged on bull stick 8; High-pressure conductive mechanism 1 for conducting electricity, medial support mechanisms 2 for the support of high-pressure conductive mechanism and transmission mechanism, transmission mechanism 3 for move between parts transmission, blocking mechanism for the locking of ground connection position and service position, state feedback mechanism 5 for main circuit of electric locomotive feedback states, earthed switch entirety is placed on the cabinet skeleton of net side, close on vertical type vacuum circuit breaker, touch spring sheet 6 on bull stick 8 in high-pressure conductive mechanism 1 is vertically arranged, and uses with the blades fit of vertical vacuum circuit-breaker.Adopt this layout design, achieve provide a kind of can with vertical type vacuum circuit breaker with the use of earthed switch.
High-pressure conductive mechanism 1 comprises touch spring sheet 6, cushion block 7, bull stick 8 etc.When the state of earthed switch is transformed into ground connection position by working position or is transformed into working position by ground connection position, transmission mechanism 3 drives bull stick 8 and touch spring sheet 6 mounted thereto to rotate together, makes touch spring sheet 6 with the blade contact on vacuum circuit-breaker or separates.
High voltage ground switch medial support mechanisms 2, both for netting the connection of side cabinet installing rack, the installation again as inner transmission mechanism 3 had supported, and determined the relative installation of each parts.The backstop folder that housing 11 upper surface is installed is assembled by backstop blade 25 and backstop reed 24, and when earthed switch operates working position, backstop blade 25 slips in backstop reed 24, and bull stick 8 can not be rotated further, and anti-dog link 8 rotates to transfinite.Housing 11 upper surface reserves earth stud 14, is connected for the earth connection between earthed switch with net side cabinet skeleton.Soft line 13 is installed, the ground connection of aftercurrent when being in ground connection position for high voltage ground switch between earthed switch bull stick 8 and housing 11.Inner transmission mechanism 3 comprises joystick assembling 12, Handle axis 23, Left Drive axle 22, inner rotary table assembling 19, connecting rod assembling 18, crank assembling 27 and right power transmission shaft 26.The connecting rod that rotates through of the Left Drive axle 22 that joystick connects by inner transmission mechanism 3 assembles the rotation that 18 are converted into right power transmission shaft 26.Locking mechanism 4 comprises lock assembling 21, outer rotary table 15 and bearing, and outer rotary table 15 and bearing realize interlocking, by locked for the joystick of high voltage ground switch in working position or ground connection position.State feedback mechanism 5 comprises auxiliary interlock apparatus 30, first cam 31, second cam 32, first cam 31 and the second cam 32 are arranged on right power transmission shaft 26, with the roller on auxiliary interlock apparatus 30 with the use of, roller is made to be in compression or release condition, the corresponding signal of telecommunication is exported by the wiring of auxiliary interlock apparatus 30, feed back to main circuit of electric locomotive, exported the state of high voltage ground switch by socket 28.
The course of work of the present invention:
Ground connection position is operated from working position, as shown in Figure 6:
1. rotate blue key (key A), BSV safety interlocking case is transformed into and falls bow position, take off blue key, be inserted into the assembling of earthed switch lock.Only after blueness lock is opened by blue key, joystick could rotate to " ground connection " position from " work " position.
2. rotate blue key A, pull-out joystick, rotate 180 ° to " ground connection " position.Now, the bull stick half-twist of earthed switch is to ground connection position.
3. rotate yellow key (key B), take out yellow key B (interlocking device is just locked in this position by the lock with yellow key), remove locomotive high-voltage some mechanical interlocking.
From ground connection bit manipulation to working position, as shown in Figure 7:
1. yellow key is rotated in the place used at yellow key, takes off yellow key, recovers locomotive high-voltage some mechanical interlocking.Yellow key is inserted the assembling of earthed switch lock.Only after yellow lock is opened by yellow key, joystick could rotate to " work " position from " ground connection " position.
2. rotate yellow key B, pull-out joystick, rotate 180 ° to " work " position.Now, earthed switch bull stick half-twist is to working position.
3. rotate blue key, take out blue key (interlocking device is just locked in this position by the lock with blue key).Blue key is inserted BSV safety interlocking case, rotate blue key, BSV safety interlocking case is transformed into rising bow position.
Based on the earthed switch provided in above-described embodiment, present invention also provides a kind of electric locomotive, comprise locomotive body and be arranged at the earthed switch on interior net side cabinet skeleton, earthed switch is the earthed switch of above-mentioned any embodiment.
Because this electric locomotive have employed the earthed switch of above-described embodiment, so the beneficial effect that this electric locomotive is brought by this earthed switch please refer to above-described embodiment.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the application.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from the spirit or scope of the application, can realize in other embodiments.Therefore, the application can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. an earthed switch, for with vertical type vacuum circuit breaker with the use of, comprise high-pressure conductive mechanism (1), medial support mechanisms (2), transmission mechanism (3), blocking mechanism and state feedback mechanism (5), it is characterized in that, described earthed switch is arranged on the cabinet skeleton of net side, described high-pressure conductive mechanism (1) comprises bull stick (8) and multiple touch spring sheet (6), and multiple described touch spring sheet (6) is arranged on described bull stick (8) up and down;
When described earthed switch is transformed into ground connection position by working position or is transformed into working position by ground connection position, described transmission mechanism (3) drives described bull stick (8) and touch spring sheet (6) mounted thereto to rotate, and makes described touch spring sheet (6) with the blade contact on described vacuum circuit-breaker or separates.
2. earthed switch as claimed in claim 1, it is characterized in that, described medial support mechanisms (2) comprises housing and is arranged at the backstop folder of described housing upper surface, described backstop folder comprises backstop blade (25) and backstop reed (24), when described earthed switch is operated to described working position, described backstop blade (25) is slipped in described backstop reed (24), and rotating for preventing described bull stick (8) transfinites.
3. earthed switch as claimed in claim 2, it is characterized in that, described housing upper surface is provided with earth stud (14), and described earthed switch is connected with described net side cabinet skeleton by described earth stud (14).
4. earthed switch as claimed in claim 3, is characterized in that, the soft line (13) of aftercurrent ground connection when being provided with between described bull stick (8) and described housing for making described earthed switch be in ground connection position.
5. earthed switch as claimed in claim 4, it is characterized in that, described transmission mechanism (3) comprises joystick assembling, Handle axis (23), Left Drive axle (22), inner rotary table assembling (19), connecting rod assembling (18), crank assembling and right power transmission shaft, and the described connecting rod that rotates through of the Left Drive axle (22) that joystick connects by described transmission mechanism (3) assembles the rotation that (18) are converted into described right power transmission shaft.
6. earthed switch as claimed in claim 5, it is characterized in that, described locking mechanism (4) comprises lock assembling (21), outer rotary table (15) and bearing, described outer rotary table (15) and described bearing interlock, for by locked for the joystick of described high voltage ground switch in described working position or described ground connection position.
7. earthed switch as claimed in claim 6, it is characterized in that, described state feedback mechanism (5) comprises auxiliary interlock apparatus (30), the first cam (31), the second cam (32), described first cam (31) and described second cam (32) are arranged on described right power transmission shaft, make the roller on described auxiliary interlock apparatus (30) be in compressive state or release condition.
8. an electric locomotive, comprise locomotive body and be arranged at the earthed switch on interior net side cabinet skeleton, it is characterized in that, described earthed switch is the earthed switch as described in any one of claim 1 to 7.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510765647.8A CN105470032A (en) | 2015-11-11 | 2015-11-11 | Electric locomotive and grounding switch |
Applications Claiming Priority (1)
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CN201510765647.8A CN105470032A (en) | 2015-11-11 | 2015-11-11 | Electric locomotive and grounding switch |
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CN105470032A true CN105470032A (en) | 2016-04-06 |
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CN201510765647.8A Pending CN105470032A (en) | 2015-11-11 | 2015-11-11 | Electric locomotive and grounding switch |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106024484A (en) * | 2016-06-24 | 2016-10-12 | 中车株洲电力机车有限公司 | High-voltage grounding switch matched with dual main circuit breakers |
CN107564739A (en) * | 2017-11-02 | 2018-01-09 | 中车株洲电力机车有限公司 | A kind of earthed switch |
CN114203475A (en) * | 2021-12-03 | 2022-03-18 | 北京中车赛德铁道电气科技有限公司 | Grounding switch with reinforced insulation moving and static contact structure |
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CN201017806Y (en) * | 2007-02-16 | 2008-02-06 | 中国北车集团大同电力机车有限责任公司 | High-voltage segregate switch of electric power locomotive engine |
CN202268283U (en) * | 2011-10-18 | 2012-06-06 | 株洲庆云电力机车配件工厂有限公司 | High voltage grounding switch |
CN202423098U (en) * | 2012-01-12 | 2012-09-05 | 石家庄开发区新导配电自动化有限公司 | Disconnector with horizontally rotatable single arm of driving shaft |
CN202678156U (en) * | 2012-06-29 | 2013-01-16 | 南车戚墅堰机车有限公司 | Grounding switch used in alternating current transmission diesel locomotive |
CN103985590A (en) * | 2014-05-30 | 2014-08-13 | 南车株洲电力机车有限公司 | High-voltage grounding switch |
CN203941825U (en) * | 2014-06-09 | 2014-11-12 | 北京赛德高科铁道电气科技有限责任公司 | Motor-car earthed switch |
CN204577306U (en) * | 2015-04-15 | 2015-08-19 | 北京赛德高科铁道电气科技有限责任公司 | A kind of use for electric locomotive earthed switch |
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2015
- 2015-11-11 CN CN201510765647.8A patent/CN105470032A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN201017806Y (en) * | 2007-02-16 | 2008-02-06 | 中国北车集团大同电力机车有限责任公司 | High-voltage segregate switch of electric power locomotive engine |
CN202268283U (en) * | 2011-10-18 | 2012-06-06 | 株洲庆云电力机车配件工厂有限公司 | High voltage grounding switch |
CN202423098U (en) * | 2012-01-12 | 2012-09-05 | 石家庄开发区新导配电自动化有限公司 | Disconnector with horizontally rotatable single arm of driving shaft |
CN202678156U (en) * | 2012-06-29 | 2013-01-16 | 南车戚墅堰机车有限公司 | Grounding switch used in alternating current transmission diesel locomotive |
CN103985590A (en) * | 2014-05-30 | 2014-08-13 | 南车株洲电力机车有限公司 | High-voltage grounding switch |
CN203941825U (en) * | 2014-06-09 | 2014-11-12 | 北京赛德高科铁道电气科技有限责任公司 | Motor-car earthed switch |
CN204577306U (en) * | 2015-04-15 | 2015-08-19 | 北京赛德高科铁道电气科技有限责任公司 | A kind of use for electric locomotive earthed switch |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106024484A (en) * | 2016-06-24 | 2016-10-12 | 中车株洲电力机车有限公司 | High-voltage grounding switch matched with dual main circuit breakers |
CN107564739A (en) * | 2017-11-02 | 2018-01-09 | 中车株洲电力机车有限公司 | A kind of earthed switch |
CN114203475A (en) * | 2021-12-03 | 2022-03-18 | 北京中车赛德铁道电气科技有限公司 | Grounding switch with reinforced insulation moving and static contact structure |
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