CN107564739A - A kind of earthed switch - Google Patents
A kind of earthed switch Download PDFInfo
- Publication number
- CN107564739A CN107564739A CN201711062634.XA CN201711062634A CN107564739A CN 107564739 A CN107564739 A CN 107564739A CN 201711062634 A CN201711062634 A CN 201711062634A CN 107564739 A CN107564739 A CN 107564739A
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- bull stick
- drive
- component
- earthed switch
- ground connection
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Abstract
The invention discloses a kind of earthed switch, including：Bottom deck assembly；Bull stick component, the spring assembly that can be electrically connected with vacuum circuit breaker is provided with bull stick component；Drive component, drive component are arranged on bottom deck assembly, and drive component can drive bull stick component to rotate so that bull stick component can turn to working position or ground connection position.When needing ground connection, drive component of the drive installation on bottom deck assembly, it is set to drive bull stick component to turn to ground connection position so that vacuum circuit breaker can electrically connect with the spring assembly set on bull stick component；When needing rotation work position, drive component of the drive installation on bottom deck assembly, it is set to drive bull stick component to turn to working position.The present invention avoids and handle operating space is set in case, avoid manually operated, the design difficulty of casing where reducing earthed switch, and facilitate the operation of earthed switch due to driving bull stick component to turn to working position or ground connection position by drive device.
Description
Technical field
The present invention relates to AC electric locomotive and EMUs high-voltage earthing equipment technical field, connect more particularly, to one kind
Ground switchs.
Background technology
At present, AC electric locomotive generally uses manual high pressure earthed switch with EMUs, currently used in case
Installing type.Installing type high voltage ground switch needs enough handle operating spaces in case, and this have impact on high pressure to a certain extent
The Seal Design of electric appliance box, add the design difficulty of casing.In addition, it is necessary to manually operated, operation inconvenience.
Therefore, the design difficulty of casing where how reducing earthed switch and the operation for facilitating earthed switch are this area skills
Art personnel technical problem urgently to be resolved hurrily.
The content of the invention
In view of this, it is an object of the invention to provide a kind of earthed switch, to reduce the design of earthed switch place casing
Difficulty and the operation for facilitating earthed switch.
To achieve these goals, the invention provides following scheme：
A kind of earthed switch, including：
Bottom deck assembly；
Bull stick component, the spring assembly that can be electrically connected with vacuum circuit breaker is provided with the bull stick component；
Drive component, the drive component are arranged on the bottom deck assembly, and the drive component can drive it is described
Bull stick component rotates so that the bull stick component can turn to working position or ground connection position.
Preferably, in above-mentioned earthed switch, the drive component includes：
Cylinder body；
Rack shaft in the cylinder body cavity, cavity of the rack shaft along the cylinder body are laterally set；
Drive shaft on the cylinder body, the drive shaft are connected with the bull stick component；
With the rack shaft meshed gears, the gear is arranged in the drive shaft.
Preferably, in above-mentioned earthed switch, the drive component also includes the both ends for being separately mounted to the rack shaft
Left limit plate and right limit plate；
The cavity is divided into left chamber body and right chamber body by the left limit plate and the right limit plate；
Ground connection position air inlet is offered on the right chamber body, when the ground connection position air inlet is passed through gas, can be driven
The rack shaft motion, and then the pinion rotation is driven, the gear drives the drive shaft turns, and the drive shaft drives
The bull stick component turns to the ground connection position；
Working position air inlet is offered on the left chamber body, when the working position air inlet is passed through gas, can be driven
The rack shaft motion, and then the pinion rotation is driven, the gear drives the drive shaft turns, and the drive shaft drives
The bull stick component turns to the working position.
Preferably, in above-mentioned earthed switch, the drive component also includes choke valve；
The choke valve turns on the working position air inlet and the ground connection position air inlet.
Preferably, in above-mentioned earthed switch, the drive component also includes pressure regulator valve；
The pressure regulator valve is arranged between the choke valve and the working position air inlet, and the choke valve connects with described
Between the air inlet of status.
Preferably, in above-mentioned earthed switch, the drive component also includes：
First angle adjusting means, the first angle adjusting means is arranged on the right chamber body, and can drive institute
Rack shaft rotation is stated, drives the bull stick component movement to the ground connection position；
Second angle adjusting means, the second angle adjusting means is arranged on the left chamber body, and can drive institute
Rack shaft rotation is stated, drives the bull stick component movement to the working position.
Preferably, in above-mentioned earthed switch, the drive component also includes：
Cam, the cam are arranged in the drive shaft；
Aid in it is chain, when the bull stick component movement to it is described ground connection position when, it is described auxiliary it is chain can be in the cam
Extruding under by the earthed switch reach it is described ground connection position the first feedback signal be transmitted to host computer system；
When the bull stick component movement is to the working position, it is described auxiliary it is chain can under the extruding of the cam incite somebody to action
The second feedback signal that the earthed switch reaches the working position is transmitted to the host computer system.
Preferably, in above-mentioned earthed switch, the bull stick component includes：
Bull stick, the bull stick and the driving axis connection, and the spring assembly is arranged on the bull stick；
Backstop spring assembly, the backstop spring assembly are arranged on the bull stick.
Preferably, in above-mentioned earthed switch, the bottom deck assembly includes：
Bottom plate, the drive component are arranged on the bottom plate；
Soft line, one end of the soft line are arranged on the bull stick, and the other end of the soft line is installed in described
On bottom plate, the aftercurrent when bull stick can be in the soft line ground connection position is grounded；
Backstop blade, the backstop blade are arranged on the bottom plate, and when the bull stick reaches the working position, institute
The backstop blade can be blocked by stating backstop spring assembly.
Preferably, in above-mentioned earthed switch, the angle of the bull stick revolution is more than 0 degree, and is less than 180 degree.
It can be seen from the above technical scheme that earthed switch disclosed by the invention, when needing ground connection, drive installation exists
Drive component on bottom deck assembly, it is set to drive bull stick component to turn to ground connection position so that vacuum circuit breaker can be with bull stick group
The spring assembly electrical connection set on part；When needing rotation work position, drive component of the drive installation on bottom deck assembly, make
It drives bull stick component to turn to working position.Earthed switch disclosed by the invention, due to driving bull stick component by drive device
Working position or ground connection position are turned to, avoids and handle operating space is set in case, avoids manually operated, ground connection is reduced and opens
The design difficulty of casing where closing, and facilitate the operation of earthed switch.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of earthed switch provided by the invention；
Fig. 2 is the main structure diagram of earthed switch provided by the invention；
Fig. 3 is the left view structural representation of earthed switch provided by the invention；
Fig. 4 is the present invention looks up structural representation of earthed switch provided by the invention；
Fig. 5 is Fig. 2A-A cross section structure diagrams；
Fig. 6 is Fig. 4 B-B cross section structure diagrams；
Fig. 7 is the overlooking the structure diagram of earthed switch provided by the invention.
Wherein, in Fig. 1-7：
Bottom deck assembly 1, bull stick component 2, spring assembly 201, drive component 3, cylinder body 301, rack shaft 302, drive shaft
303rd, gear 304, left limit plate 305, right limit plate 306, ground connection position air inlet 307, working position air inlet 308, choke valve
309th, pressure regulator valve 310, first angle adjusting means 311, second angle adjusting means 312, cam 313, auxiliary are chain 314, convex
Wheel seat 315, end cover 316, seal disc 317, connecting shaft 318, bull stick 202, backstop spring assembly 203, bottom plate 101, soft company
Line 102, backstop blade 103, reed 20101, fixed block 20102, backstop fixed seat 105, cushion block 104, backstop reed 20301,
Supporting plate 20302, left end cap 30101, right end cap 30102.
Embodiment
In order that those skilled in the art is better understood from technical scheme, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is described in further detail.
Embodiment one
As shown in figs. 1-7, the invention discloses a kind of earthed switch, including bottom deck assembly 1, bull stick component 2 and driving group
Part 3.
Wherein, the spring assembly 201 that can be electrically connected with vacuum circuit breaker, spring assembly 201 are provided with bull stick component 2
Group number be 2 groups, and every group of spring assembly 201 includes 2 reeds 20101 and fixed block 20102, and fixed block 20102 is arranged on
On bull stick component 2, and 2 reeds 20101 are arranged on fixed block 20102.It is true that two groups of spring assemblies 201 correspond to vertical type respectively
Empty breaker input and output end.
Drive component 3 is arranged on bottom deck assembly 1, and drive component 3 can drive bull stick component 2 to rotate so that bull stick
Component 2 can turn to working position or ground connection position.
Earthed switch disclosed by the invention, when needing ground connection, drive component 3 of the drive installation on bottom deck assembly 1, make
It drives bull stick component 2 to turn to ground connection position so that vacuum circuit breaker can be with the spring assembly 201 that is set on bull stick component 2
Electrical connection；When needing rotation work position, drive component 3 of the drive installation on bottom deck assembly 1, it is set to drive bull stick component 2
Turn to working position.Earthed switch disclosed by the invention, due to by drive device drive bull stick component 2 turn to working position or
Position is grounded, avoids and handle operating space is set in case, avoids manually operated, casing sets where reducing earthed switch
Difficulty is counted, and facilitates the operation of earthed switch.
Embodiment two
In second embodiment provided by the invention, the earthed switch in earthed switch and embodiment one in the present embodiment
Structure it is similar, something in common is just repeated no more, only introduces difference.
In the present embodiment, specifically disclosing drive component 3 includes cylinder body 301, rack shaft 302, drive shaft 303 and gear
304.The both ends of cylinder body 301 are sealed by left end cap 30101 and right end cap 30102 respectively.
Wherein, rack shaft 302 is arranged in the cavity of cylinder body 301, is laterally set along the cavity of cylinder body 301.Drive shaft 303
On cylinder body 301, and drive shaft 303 is connected with bull stick component 2.Gear 304 is engaged with rack shaft 302, and gear 304 is pacified
In drive shaft 303.The movement of rack shaft 302 can rotate with moving gear 304, and gear 304, which rotates, drives rotary components to rotate,
So as to realize that bull stick component 2 turns to working position or ground connection position.
Further, the left limit for being separately mounted to the both ends of rack shaft 302 is also included the invention discloses drive component 3
Plate 305 and right limit plate 306.Wherein, cavity is divided into left chamber body and right chamber body by left limit plate 305 and right limit plate 306.Specifically
For：The left and right sides of rack shaft 302 installs left limit plate 305, right limit plate 306 respectively, and is fixed by holding screw.Left limit plate
305th, the radial direction maximum gauge of right limit plate 306 is equal with the left chamber body of cylinder body 301 and right cavity diameter, so as to by left chamber body and right chamber
Body is to be spaced apart.
Ground connection position air inlet 307 is offered on right chamber body, being capable of sliding tooth when ground connection position air inlet 307 is passed through gas
Bar axle 302 moves, and rack shaft 302 engages with gear 304, and then is rotated with moving gear 304, and gear 304 drives 303 turns of drive shaft
Dynamic, drive shaft 303 drives bull stick component 2 to turn to ground connection position；Working position air inlet 308 is offered on left chamber body, works as working position
When air inlet 308 is passed through gas, rack shaft 302 can be driven to move, and then be rotated with moving gear 304, gear 304 drives driving
Axle 303 rotates, and drive shaft 303 drives bull stick component 2 to turn to working position.
For the ease of controlling the gas flow for entering ground connection position air inlet 307 and working position air inlet 308, the present invention discloses
Drive component 3 also includes choke valve 309, and choke valve 309 turns on working position air inlet 308 and ground connection position air inlet 307.
For the ease of adjusting the gas pressure for entering ground connection position air inlet 307 and working position air inlet 308 so that gas circuit reaches
To nominal pressure, the invention discloses drive component 3 also to include pressure regulator valve 310, and pressure regulator valve 310 is arranged on choke valve 309 and work
Between making position air inlet 308, and between choke valve 309 and ground connection position air inlet 307.I.e. the number of pressure regulator valve 310 is two, point
Working position air inlet 308 is not connected to being grounded at position air inlet 307.
Further, also include first angle adjusting means 311 the invention discloses drive component 3 and second angle is adjusted
Device 312.Wherein, first angle adjusting means 311 is arranged on right chamber body, and rack shaft 302 can be driven to rotate, band turn
Bar assembly can move to ground connection position；Second angle adjusting means 312 is arranged on left chamber body, and can drive rack shaft 302
Rotate, drive bull stick component to move to working position.It should be noted that first angle adjusting means 311 and second angle
Adjusting means 312 can adjust bull stick component to any angle between ground connection position and working position.
Further, the invention discloses drive component 3 also to include cam 313 and auxiliary chain 314, wherein, cam
313 are arranged in drive shaft 303.When bull stick component 2 moves to ground connection position, auxiliary chain 314 can be in the extruding of cam 313
Lower the first feedback signal that earthed switch is reached to ground connection position is transmitted to host computer system, confirms that earthed switch reaches ground connection position；When turn
When bar assembly 2 moves to working position, earthed switch can be reached working position by auxiliary chain 314 under the extruding of cam 313
Second feedback signal is transmitted to host computer system, confirms that earthed switch reaches working position.
Specifically each several part type of attachment of drive component 3 is：Cylinder body 301 is vertical to be arranged in drive shaft 303, drive shaft
Gear 304 is installed by key connection among 303, and gear 304 is engaged with rack shaft 302, the bottom of drive shaft 303 is first by close
Closing disk 317 is sealed, and its end with key, is finally carried out spacing solid with connecting shaft 318 by sealing bolt and end cover 316
It is fixed.The top of drive shaft 303 is limited by the structure of cylinder body 301, can not move upwards, but the shaft portion and cam chair of its stretching
315 with key, and is completely fixed cam chair 315 by screw, and two cams 313, drive shaft 303 are installed on cam chair 315
During rotation, cam chair 315 will be followed with cam 313 together with move.
The invention particularly discloses bull stick component 2 to include bull stick 202 and the component 203201 of backstop reed 20301, wherein, turn
Bar 202 is connected with drive shaft 303, and spring assembly 201 is arranged on bull stick 202, and the component 203201 of backstop reed 20301 is installed
On bull stick 202.The component 203201 of backstop reed 20301 includes 2 backstop reeds 20301 and supporting plate 20302, supporting plate
20302 are arranged on bull stick component 2, and 2 backstop reeds 20301 are arranged in supporting plate 20302.
Further, the invention discloses bottom deck assembly 1 to include bottom plate 101, soft line 102 and backstop blade 103.Its
In, drive component 3 is arranged on bottom plate 101, and one end of soft line 102 is arranged on bull stick 202, the other end of soft line 102
On bottom plate 101, aftercurrent when bull stick 202 can be in soft line 102 ground connection position is grounded, backstop blade 103
On bottom plate 101, it is specially：Backstop fixed seat 105 is arranged on bottom plate 101, and cushion block is provided with backstop fixed seat 105
104, backstop blade 103 is installed on cushion block 104, and when bull stick 202 reaches working position, the component 203201 of backstop reed 20301
Backstop blade 103 can be blocked, avoids maloperation caused by impact shock.
In the present embodiment, the angle for specifically disclosing the revolution of bull stick 202 is more than 0 degree, and is less than 180 degree.Need what is illustrated
It is the angular range that can also be turned round according to bull stick 202 corresponding to the angle design of ground connection position and working position.
Earthed switch disclosed by the invention, when moving to ground connection position by working position, earthed switch is now in working position,
Source of the gas enters ground connection position air inlet 307, is adjusted first by pressure regulator valve 310 to nominal pressure, and then adjusted by choke valve 309
Gas flow rate, control earthed switch responsiveness；Hereafter, gas enters the right chamber body of drive device annular seal space, promotes rack shaft
302 to left movement, the clockwise movement of 302 drive gear of rack shaft 304, and now right chamber body gas is discharged；What gear 304 moved
Meanwhile drive shaft 303 will be driven to rotate and then drive bull stick 202 to move to ground connection position and coordinated with vacuum circuit breaker；At the same time,
Cam 313 is moved with drive shaft 303 and extrudes auxiliary chain 314, and feedback signal is sent to host computer system by auxiliary chain 314,
Confirm that earthed switch reaches ground connection position.
When moving to ground connection position by working position, earthed switch is now in ground connection position, changes airintake direction, enters source of the gas
Enter working position air inlet 308, gas is adjusted to nominal pressure by pressure regulator valve 310, then adjusts gas stream by choke valve 309
Speed, control earthed switch responsiveness；Hereafter, gas enter the annular seal space of drive component 3 left chamber body, promote rack shaft 302 to
Right motion, the counterclockwise movement of 302 drive gear of rack shaft 304, left chamber gas are discharged；While gear 304 moves, it will drive
Drive shaft 303 rotates and then drives bull stick 202 to move to working position, the assembling of backstop reed 20301 and the backstop blade of bull stick 202
103 complete to coordinate；At the same time, cam 313 moves with drive shaft 303 and extrudes auxiliary chain 314, and auxiliary chain 314 will be anti-
Feedback signal is sent to host computer system, confirms that earthed switch reaches working position.
Earthed switch disclosed by the invention, due to driving bull stick component 2 to turn to working position or ground connection by drive device
Position, avoid and handle operating space is set in case, avoid manually operated, the design hardly possible of casing where reducing earthed switch
Degree, and facilitate the operation of earthed switch.
The description in "left", "right" direction herein is defined with the direction of Figure of description 5, for the ease of describing,
There is no other particular meanings.
" first " in the present invention, " second " etc. are to be distinguished in description, without other particular meanings.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and inventive features phase
Consistent most wide scope.
Claims (10)
- A kind of 1. earthed switch, it is characterised in that including：Bottom deck assembly (1)；Bull stick component (2), the spring assembly (201) that can be electrically connected with vacuum circuit breaker is provided with the bull stick component (2)；Drive component (3), the drive component (3) is arranged on the bottom deck assembly (1), and the drive component (3) can The bull stick component (2) is driven to rotate so that the bull stick component (2) can turn to working position or ground connection position.
- 2. earthed switch according to claim 1, it is characterised in that the drive component (3) includes：Cylinder body (301)；Rack shaft (302) in the cylinder body (301) cavity, the rack shaft (302) is along the cylinder body (301) Cavity is laterally set；Drive shaft (303) on the cylinder body (301), the drive shaft (303) are connected with the bull stick component (2)；With the rack shaft (302) meshed gears (304), the gear (304) is arranged in the drive shaft (303).
- 3. earthed switch according to claim 2, it is characterised in that the drive component (3) also includes being separately mounted to The left limit plate (305) and right limit plate (306) at the both ends of the rack shaft (302)；The cavity is divided into left chamber body and right chamber body by the left limit plate (305) and the right limit plate (306)；Ground connection position air inlet (307) is offered on the right chamber body, when the ground connection position air inlet (307) is passed through gas, energy Enough drive the rack shaft (302) to move, and then drive the gear (304) to rotate, the gear (304) drives the driving Axle (303) rotates, and the drive shaft (303) drives the bull stick component (2) to turn to the ground connection position；Working position air inlet (308) is offered on the left chamber body, when the working position air inlet (308) is passed through gas, energy Enough drive the rack shaft (302) to move, and then drive the gear (304) to rotate, the gear (304) drives the driving Axle (303) rotates, and the drive shaft (303) drives the bull stick component (2) to turn to the working position.
- 4. earthed switch according to claim 3, it is characterised in that the drive component (3) also includes choke valve (309)；The choke valve (309) turns on the working position air inlet (308) and the ground connection position air inlet (307).
- 5. earthed switch according to claim 4, it is characterised in that the drive component (3) also includes pressure regulator valve (310)；The pressure regulator valve (310) is arranged between the choke valve (309) and the working position air inlet (308), and the section Flow between valve (309) and the ground connection position air inlet (307).
- 6. earthed switch according to claim 5, it is characterised in that the drive component (3) also includes：First angle adjusting means (311), the first angle adjusting means (311) are arranged on the right chamber body, and can Drive the rack shaft (302) to rotate, drive the bull stick component (2) to move to the ground connection position；Second angle adjusting means (312), the second angle adjusting means (312) are arranged on the left chamber body, and can Drive the rack shaft (302) to rotate, drive the bull stick component (2) to move to the working position.
- 7. earthed switch according to claim 6, it is characterised in that the drive component (3) also includes：Cam (313), the cam (313) are arranged in the drive shaft (303)；Chain (314) are aided in, it is described to aid in chain (314) be when the bull stick component (2) moves to the ground connection position The first feedback signal that the earthed switch is reached to the ground connection position under the extruding of the cam (313) is transmitted to host computer system；It is described to aid in chain (314) be in the cam (313) when the bull stick component (2) moves to the working position Extruding under the earthed switch reached to the second feedback signal of the working position be transmitted to the host computer system.
- 8. according to the earthed switch described in any one in claim 2-6, it is characterised in that the bull stick component (2) includes：Bull stick (202), the bull stick (202) are connected with the drive shaft (303), and the spring assembly (201) is arranged on institute State on bull stick (202)；Backstop spring assembly (203), the backstop spring assembly (203) are arranged on the bull stick (202).
- 9. earthed switch according to claim 8, it is characterised in that the bottom deck assembly (1) includes：Bottom plate (101), the drive component (3) are arranged on the bottom plate (101)；Soft line (102), one end of the soft line (102) are arranged on the bull stick (202), the soft line (102) The other end is arranged on the bottom plate (101), and the bull stick (202) can be in the ground connection position by the soft line (102) When aftercurrent ground connection；Backstop blade (103), the backstop blade (103) are arranged on the bottom plate (101), and when the bull stick (202) arrives During up to the working position, the backstop spring assembly (203) can block the backstop blade (103).
- 10. earthed switch according to claim 8, it is characterised in that the angle of bull stick (202) revolution is more than 0 degree, And it is less than 180 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711062634.XA CN107564739A (en) | 2017-11-02 | 2017-11-02 | A kind of earthed switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711062634.XA CN107564739A (en) | 2017-11-02 | 2017-11-02 | A kind of earthed switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107564739A true CN107564739A (en) | 2018-01-09 |
Family
ID=61032148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711062634.XA Pending CN107564739A (en) | 2017-11-02 | 2017-11-02 | A kind of earthed switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107564739A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110901473A (en) * | 2018-09-17 | 2020-03-24 | 中车大同电力机车有限公司 | Electric locomotive and network side high-voltage system for same |
| CN111192768A (en) * | 2019-12-17 | 2020-05-22 | 河南平高电气股份有限公司 | Moving contact component and switch equipment using same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2904260Y (en) * | 2006-04-28 | 2007-05-23 | 杨维雄 | High power DC isolation switch |
| CN103985590A (en) * | 2014-05-30 | 2014-08-13 | 南车株洲电力机车有限公司 | High-voltage grounding switch |
| CN105470032A (en) * | 2015-11-11 | 2016-04-06 | 南车株洲电力机车有限公司 | Electric locomotive and grounding switch |
| CN205565304U (en) * | 2015-12-23 | 2016-09-07 | 北京赛德高科铁道电气科技有限责任公司 | Chinese industrial standards (CIS) EMUs are with indoor type vacuum circuit breaker |
| CN206022263U (en) * | 2016-08-31 | 2017-03-15 | 郑培刚 | A kind of power switch circuit breaker transmission device |
| CN206301699U (en) * | 2016-12-23 | 2017-07-04 | 北京中车赛德铁道电气科技有限公司 | Pneumatic earthed switch |
-
2017
- 2017-11-02 CN CN201711062634.XA patent/CN107564739A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2904260Y (en) * | 2006-04-28 | 2007-05-23 | 杨维雄 | High power DC isolation switch |
| CN103985590A (en) * | 2014-05-30 | 2014-08-13 | 南车株洲电力机车有限公司 | High-voltage grounding switch |
| CN105470032A (en) * | 2015-11-11 | 2016-04-06 | 南车株洲电力机车有限公司 | Electric locomotive and grounding switch |
| CN205565304U (en) * | 2015-12-23 | 2016-09-07 | 北京赛德高科铁道电气科技有限责任公司 | Chinese industrial standards (CIS) EMUs are with indoor type vacuum circuit breaker |
| CN206022263U (en) * | 2016-08-31 | 2017-03-15 | 郑培刚 | A kind of power switch circuit breaker transmission device |
| CN206301699U (en) * | 2016-12-23 | 2017-07-04 | 北京中车赛德铁道电气科技有限公司 | Pneumatic earthed switch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110901473A (en) * | 2018-09-17 | 2020-03-24 | 中车大同电力机车有限公司 | Electric locomotive and network side high-voltage system for same |
| CN111192768A (en) * | 2019-12-17 | 2020-05-22 | 河南平高电气股份有限公司 | Moving contact component and switch equipment using same |
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Application publication date: 20180109 |