CN201359953Y - High-voltage grounding switch - Google Patents
High-voltage grounding switch Download PDFInfo
- Publication number
- CN201359953Y CN201359953Y CNU2008201592232U CN200820159223U CN201359953Y CN 201359953 Y CN201359953 Y CN 201359953Y CN U2008201592232 U CNU2008201592232 U CN U2008201592232U CN 200820159223 U CN200820159223 U CN 200820159223U CN 201359953 Y CN201359953 Y CN 201359953Y
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- locomotive
- lock core
- runner
- arm
- grounding
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Abstract
The utility model relates to a high-voltage grounding switch device used in an electric locomotive and a multiple unit, comprising a roof component installed at the roof of the locomotive and an inside-locomotive component installed in the locomotive. The roof component comprises a male contact which can be connected with two ends of a circuit breaker, a grounding arm fixed on a rotating shaft to drive the male contact to move, a soft connection wire for connecting the grounding device of the locomotive with the grounding arm, and a transmission mechanism wrapping a panel and driving the grounding arm; the transmission mechanism comprises the rotating shaft connected with the grounding arm, a rotating arm for driving the rotating shaft, and a rod-shaped interlocking rod, and one end of the rod-shaped interlocking rod is sleeved on and in movable connection with the rotating arm; and the inside-locomotive component comprises a box body, a handle component, an interlocking mechanism, and a discal runner. The rated current of the high-voltage grounding switch reaches to 1000A, the short time withstand current reaches to 20KA, so that the requirement of the electric locomotive and the multiple unit for high voltage grounding is met, the mistake operation of drivers and passengers in the locomotive or the multiple unit can be avoided, the safety of the drivers and passenger as well as the locomotive can be guaranteed, and the locomotive can be guaranteed to run safely.
Description
Technical field
The utility model relates to a kind of high-voltage appliance switch equipment, particularly the high voltage ground switch equipment that uses in electric locomotive and the motor train unit.
Background technology
Along with developing rapidly of locomotive industry; requirement to locomotive protection equipment is more and more higher; high power AC locomotive particularly; not only to the reasonability of product structure; reliability has proposed requirement; simultaneously its personal safety is ensured demands for higher performance; in the locomotive protection equipment commonly used at present high voltage ground switch is not set; so just there is potential safety hazard; when train fault has taken place and needed temporary parking to overhaul or keep in repair in the locomotive process; do not disconnect the main circuit breaker on the roof earlier and fall pantograph and climb up roof again as driver or maintenance worker; or meet other people and in this process, locomotive risen unsuitable operations such as pantograph; this moment is unearthed because of the circuit of main circuit breaker of railway engine, and the high pressure at locomotive top can cause and is positioned at the get an electric shock heavy security incident of dead and locomotive electric apparatus damage of roof personnel.Therefore, a kind of grounding safety protective device of necessary design is avoided the generation of this type of incident.
The utility model content
The purpose of this utility model provides a kind of high voltage ground switch, and it can be with the circuit ground of main circuit breaker of railway engine both sides, and rated current reaches 1000A, short time withstand current reaches 20kA, but manual operation is simple in structure, reliability is high, can satisfy the requirement of high-voltage earthing on electric locomotive and the motor train unit.
The purpose of this utility model is achieved in that
A kind of high voltage ground switch, it is made up of roof assembly that is installed on roof and the car inner assembly that is installed in the car, described roof assembly is by the plug-in strip that can link to each other with the circuit breaker two ends, be fixed in the grounding arm that drives the plug-in strip motion in the rotating shaft, the soft line that the locomotive earthing device is connected with grounding arm, the transmission mechanism that coats panel and driving grounding arm is formed, described transmission mechanism is by the rotating shaft that is connected with grounding arm, drive the pivoted arm of rotating shaft, one end is placed in the movable shaft-like gangbar composition that connects on the pivoted arm, described car inner assembly is by casing, Handleset, interlocking device, the plate-like runner is formed, described gangbar one end connects with pivoted arm is movable, the other end is by being articulated on the runner card, described Handleset, interlocking device, runner is installed in the casing, described runner is installed with axle horizontal with the handle axis of rotation that is fixed with handle, described runner is provided with two grooves of 180 ° apart, described interlocking device is by three lock cores, lock core interlock plate and T shape lock dog are formed, described lock dog is installed in the strip sliding tray on the casing along its length, the length direction of described sliding tray and runner shaft are to consistent and corresponding with the groove of runner, described lock dog is identical by three bar structures, linear array, the lock core that is fixedly mounted on the lock core panel is controlled by lock core interlock plate, in sliding tray,, embed or leave of the qualification of runner groove to realize runner is rotated by T shape lock dog lower end along the runner axial motion.
As to further improvement of the utility model, described three in the lock core two be yellow color lock core, another is blue color lock core, described each lock core disposes the key homochromy with it, described homochromy key can be with any one general homochromy lock core, described lock core interlock plate is fixedly installed in the lock core mounting hole on the lock core panel lower box, described lock core interlock plate is provided with a pin, be processed with kidney slot on the described lock dog, described lock core interlock plate pin inserts the interior lock dog that promotes of lock dog kidney slot and moves.
As to further improvement of the utility model, described yellow key and locomotive high-voltage cabinet and roof door are locked and are complementary, and described blue key is complementary with the knob that motorcycle pantograph is risen.
As to further improvement of the utility model, described gangbar is articulated on the runner card by spherojoint.
As to further improvement of the utility model, described pivoted arm is provided with two projections, described box inside be equipped with two respectively with two quick-action switches that projection offsets of pivoted arm, described two quick-action switches are connected with connector by lead, the male end of described connector is arranged at the casing outside, it is indoor that female end is arranged at locomotive control, and the indicating instrument with " ground connection " or " operation " links to each other respectively.
As to further improvement of the utility model, described grounding arm also is provided with an end and grounding arm is fixedly connected, the grounding arm support plate that the other end and rotating shaft are fixedly connected.
As to further improvement of the utility model, described plug-in strip 1 is to adopt 10mm red copper row T2-Y materials processing to form, and described soft line is to be entwined with the multiply copper litz wire.
The utility model is work like this:
Operator's turning handle by the transmission mechanism transmission, drives plug-in strip and carries out the motion of certain angle.As shown in Figure 1, when plug-in strip was in stand up position, this moment, handle was in " ground connection " position, and promptly the plug-in strip of top of car links to each other two lateral circuits of main circuit breaker, makes it ground connection.This time operator can rotate two yellow key actuated lock dogs and lock dog is inserted in the groove of runner pin runner, the rotation of restriction runner, make plug-in strip be in ground state by fixing transmission mechanism, also must take off key and open High-Voltage Electrical Appliances cabinet and roof door on locomotive or the motor train unit respectively, could overhaul and safeguard locomotive.When maintenance with after maintenance work finishes, in the time of starting locomotive, need take off and insert the lock core of interlocking device to two yellow keys that are inserted on locomotive or motor train unit high-voltage board and the roof door, and rotate yellow key, make lock dog disengaging runner.180 ° of turning handles make the plug-in strip of roof parts break away from main circuit breaker, make main circuit breaker no longer be in ground state, this moment, handle was in " operation " position, rotate blue key, lock dog is embedded in another groove on the runner once more and pin, handle can't move again this moment.Take off blue key again, insert " pantograph rising " knob of locomotive.Take charge of the operator this moment and just can pantograph be risen, start locomotive in the locomotive control chamber.
The beneficial effects of the utility model:
1, the utility model provide one the kind safety grounding device, it is with the circuit ground of main circuit breaker of railway engine both sides, its rated current reaches 1000A, short time withstand current reaches 20kA, satisfies the requirement of high-voltage earthing on electric locomotive and the motor train unit.But manual operation, simple in structure and easy care is further improved operating reliability and security reliability.
2; the utility model utilizes homochromy lock core key to operate the general principle of controlling organization accordingly with locomotive; the residing position of key is corresponding with the operation that allows to carry out; utilize locking mechanism that dangerous operation can't be realized; operations is carried out set by step; reach the effect that ensures operator safety; interchangeability is strong; the reliability height; driver and conductor and locomotive or motor train unit are played a very good protection; the misoperation of having avoided the driver and conductor locomotive or motor train unit to be carried out because of a variety of causes; ensure the safety of driver and conductor and locomotive, guaranteed locomotive safety running.
3, owing to be provided with quick-action switch, the state of plug-in strip is reflected in operation very intuitively, convenient control, because plug-in strip is to adopt 10mm red copper row T2-Y materials processing to form, electric conductivity is better, because soft line is to be entwined with the multiply copper litz wire, has good conductivity and pliability.
Below in conjunction with accompanying drawing the utility model is further described.
Description of drawings
Fig. 1 is an integrally-built structural representation front view of the present utility model,
Fig. 2 is an integrally-built structural representation left view of the present utility model,
Fig. 3 is the structural representation front view of car inner assembly of the present utility model,
Fig. 4 is the structural representation left view of car inner assembly of the present utility model,
Fig. 5 is the structural representation front view of car inner assembly of the present utility model interlocking device,
Fig. 6 is the B-B cutaway view of car inner assembly of the present utility model interlocking device,
Fig. 7 is the structural representation front view of roof assembly of the present utility model,
Fig. 8 is the structural representation left view of roof assembly of the present utility model.
Among the figure: 1, plug-in strip 2, grounding arm 3, the soft line 4 of plug-in strip, panel 5, the soft line 6 of locomotive, casing 7, handle power transmission shaft 8, runner 9, gangbar 10, pivoted arm 11, grounding arm support plate 12, rotating shaft 13, quick-action switch 14, handle 15, interlocking device 16, connector 17, blue key 18, blue lock core 19, lock dog 20, yellow key 21, yellow lock core 22, lock core interlock plate 23, lock core mounting panel.
Embodiment
Embodiment 1:
A kind of high voltage ground switch, extremely shown in Figure 8 as Fig. 1, it is made up of roof assembly that is installed on roof and the car inner assembly that is installed in the car, roof assembly is by the plug-in strip 1 that can link to each other with the circuit breaker two ends, be fixed in 10 rotating shafts of pivoted arm arm and drive the grounding arm 2 of plug-in strip 1 motion, the soft line 3 of plug-in strip that the locomotive earthing device is connected with grounding arm 2, the transmission mechanism that coats panel 4 and driving grounding arm 2 is formed, plug-in strip 1 is to adopt 10mm red copper row T2-Y materials processing to form, the soft line 3 of plug-in strip is to be entwined with the multiply copper litz wire, grounding arm 2 also is provided with an end and grounding arm 2 is fixedly connected, the grounding arm support plate 11 that the rotating shaft of the other end and pivoted arm 10 is fixedly connected, transmission mechanism by with the pivoted arm 10 that is connected with grounding arm 2 by rotating shaft, one end is placed in the movable shaft-like gangbar that connects 9 compositions on the pivoted arm 10, the car inner assembly is by casing 6, Handleset, interlocking device, plate-like runner 8 is formed, gangbar 9 one ends and 10 movable connections of pivoted arm, the other end is articulated on runner 8 cards by spherojoint, Handleset, interlocking device, runner 8 is installed in the casing 6, runner 8 is installed with axle horizontal with the handle axis of rotation 12 that is fixed with handle 14, runner 8 is provided with two grooves of 180 ° apart, interlocking device is by three lock cores, lock core interlock plate 22 and T shape lock dog 19 are formed, lock dog 19 is installed in the strip sliding tray on the casing 6 along its length, the length direction of sliding tray is axially consistent and corresponding with the groove of runner 8 with runner 8, lock dog 19 is identical by three bar structures, linear array, the lock core that is fixedly mounted on the lock core panel is controlled by lock core interlock plate 22, two is yellow color lock core 21 in three lock cores, another is blue color lock core 18, yellow lock core 21 disposes yellow key 20, blue lock core 18 disposes blue key 17, two yellow keys 20 and two yellow lock cores 21 are general arbitrarily, lock core interlock plate 22 is fixedly installed in the lock core mounting hole 23 of lock core panel lower box 6, lock core interlock plate 22 is provided with a pin, be processed with kidney slot on the lock dog 19, along runner 8 axial motions, the groove that embeds or leave runner 8 by T shape lock dog 19 lower ends is to realize the qualification to runner 8 rotations in sliding tray for promotion lock dog 19 in lock core interlock plate 22 pins insertion lock dog 19 kidney slots.Yellow key 20 is locked with locomotive high-voltage cabinet and roof door and is complementary, and blue key 17 is complementary with the knob that motorcycle pantograph is risen.
The rotating shaft of pivoted arm 10 is provided with two projections, casing 6 installed inside have two quick-action switches 13 that offset with two projections of pivoted arm 10 respectively, two quick-action switches 13 are connected with connector 16 by lead, the male end of connector 16 is arranged at the casing outside, it is indoor that female end is arranged at locomotive control, and the indicating instrument with " ground connection " or " operation " links to each other respectively.
Claims (8)
1, a kind of high voltage ground switch, it is characterized in that: it is made up of roof assembly that is installed on roof and the car inner assembly that is installed in the car, described roof assembly is by the plug-in strip that can link to each other with the circuit breaker two ends, be fixed in the grounding arm that drives the plug-in strip motion in the rotating shaft, the soft line that the locomotive earthing device is connected with grounding arm, the transmission mechanism that coats panel and driving grounding arm is formed, described transmission mechanism by with the pivoted arm that is connected with grounding arm by rotating shaft, one end is placed in the movable shaft-like gangbar composition that connects on the pivoted arm, described car inner assembly is by casing, Handleset, interlocking device, the plate-like runner is formed, described gangbar one end connects with pivoted arm is movable, the other end is by being articulated on the runner card, described Handleset, interlocking device, runner is installed in the casing, described runner is installed with axle horizontal with the handle axis of rotation that is fixed with handle, described runner is provided with two grooves of 180 ° apart, described interlocking device is by three lock cores, lock core interlock plate and T shape lock dog are formed, described lock dog is installed in the strip sliding tray on the casing along its length, the length direction of described sliding tray and runner shaft are to consistent and corresponding with the groove of runner, described lock dog is identical by three bar structures, linear array, the lock core that is fixedly mounted on the lock core panel is controlled by lock core interlock plate, in sliding tray,, embed or leave of the qualification of runner groove to realize runner is rotated by T shape lock dog lower end along the runner axial motion.
2, high voltage ground switch according to claim 1, it is characterized in that: described three in the lock core two for yellow color lock core, another is for blue color lock core, described each lock core disposes the key homochromy with it, described homochromy key can be with any one general homochromy lock core, described lock core interlock plate is fixedly installed in the lock core mounting hole of lock core panel lower box, described lock core interlock plate is provided with a pin, be processed with kidney slot on the described lock dog, described lock core interlock plate pin inserts the interior lock dog that promotes of lock dog kidney slot and moves.
3, high voltage ground switch according to claim 2 is characterized in that: described yellow key and locomotive high-voltage cabinet and roof door are locked and are complementary, and described blue key is complementary with the knob that motorcycle pantograph is risen.
4, high voltage ground switch according to claim 1 and 2 is characterized in that: described gangbar is articulated on the runner card by spherojoint.
5, according to claim 3 or 4 described high voltage ground switchs, it is characterized in that: described pivoted arm is provided with two projections, described box inside be equipped with two respectively with two quick-action switches that projection offsets of pivoted arm, described two quick-action switches are connected with connector by lead, the male end of described connector is arranged at the casing outside, it is indoor that female end is arranged at locomotive control, and the indicating instrument with " ground connection " or " operation " links to each other respectively.
6, high voltage ground switch according to claim 5 is characterized in that: described grounding arm also is provided with an end and grounding arm is fixedly connected, the grounding arm support plate that the other end and rotating shaft are fixedly connected.
7, high voltage ground switch according to claim 6 is characterized in that: described plug-in strip 1 is to adopt 10mm red copper row T2-Y materials processing to form, and described soft line is to be entwined with the multiply copper litz wire.
8, high voltage ground switch according to claim 1 is characterized in that: described plug-in strip 1 is to adopt 10mm red copper row T2-Y materials processing to form, and described soft line is to be entwined with the multiply copper litz wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201592232U CN201359953Y (en) | 2008-11-14 | 2008-11-14 | High-voltage grounding switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201592232U CN201359953Y (en) | 2008-11-14 | 2008-11-14 | High-voltage grounding switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201359953Y true CN201359953Y (en) | 2009-12-09 |
Family
ID=41425719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201592232U Expired - Lifetime CN201359953Y (en) | 2008-11-14 | 2008-11-14 | High-voltage grounding switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201359953Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101404226B (en) * | 2008-11-14 | 2011-06-01 | 株洲庆云电力机车配件工厂 | High voltage ground switch |
| CN102376491A (en) * | 2011-10-18 | 2012-03-14 | 株洲庆云电力机车配件工厂有限公司 | High-voltage ground switch |
| CN108152721A (en) * | 2017-10-26 | 2018-06-12 | 中国电力科学研究院有限公司 | High-speed grounding switch parameter determination method and device along half-wave power transmission circuit |
| CN109979778A (en) * | 2019-03-07 | 2019-07-05 | 浙江江山森源电器有限公司 | A kind of anti-error type earthing switch |
| CN110706964A (en) * | 2019-10-24 | 2020-01-17 | 中车株洲电力机车有限公司 | High-voltage grounding switch, high-voltage electrical appliance box and vacuum circuit breaker grounding method |
| CN113675032A (en) * | 2021-08-13 | 2021-11-19 | 北京中车赛德铁道电气科技有限公司 | Split type protection earthing switch |
-
2008
- 2008-11-14 CN CNU2008201592232U patent/CN201359953Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101404226B (en) * | 2008-11-14 | 2011-06-01 | 株洲庆云电力机车配件工厂 | High voltage ground switch |
| CN102376491A (en) * | 2011-10-18 | 2012-03-14 | 株洲庆云电力机车配件工厂有限公司 | High-voltage ground switch |
| CN102376491B (en) * | 2011-10-18 | 2015-05-27 | 株洲庆云电力机车配件工厂有限公司 | High-voltage ground switch |
| CN108152721A (en) * | 2017-10-26 | 2018-06-12 | 中国电力科学研究院有限公司 | High-speed grounding switch parameter determination method and device along half-wave power transmission circuit |
| CN108152721B (en) * | 2017-10-26 | 2022-05-31 | 中国电力科学研究院有限公司 | Method and device for determining parameters of high-speed grounding switch along half-wavelength power transmission line |
| CN109979778A (en) * | 2019-03-07 | 2019-07-05 | 浙江江山森源电器有限公司 | A kind of anti-error type earthing switch |
| CN110706964A (en) * | 2019-10-24 | 2020-01-17 | 中车株洲电力机车有限公司 | High-voltage grounding switch, high-voltage electrical appliance box and vacuum circuit breaker grounding method |
| CN113675032A (en) * | 2021-08-13 | 2021-11-19 | 北京中车赛德铁道电气科技有限公司 | Split type protection earthing switch |
| CN113675032B (en) * | 2021-08-13 | 2024-04-02 | 北京中车赛德铁道电气科技有限公司 | Split type protection earthing switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20091209 Effective date of abandoning: 20081114 |