CN203485778U - Traction integrated overall module and novel motor train unit - Google Patents
Traction integrated overall module and novel motor train unit Download PDFInfo
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- CN203485778U CN203485778U CN201320617596.0U CN201320617596U CN203485778U CN 203485778 U CN203485778 U CN 203485778U CN 201320617596 U CN201320617596 U CN 201320617596U CN 203485778 U CN203485778 U CN 203485778U
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Abstract
The utility model provides a traction integrated overall module and a novel motor train unit. The traction integrated overall module comprises a traction system, an auxiliary system, a cooling device and a control device, wherein the traction system, the auxiliary system, the cooling device and the control device are arranged on one motor train in an integrated mode, the control device is respectively connected with the traction system and the auxiliary system and used for controlling the traction system and the auxiliary system to work, and a cooling pipe in the cooling device penetrates through the traction system and the auxiliary system so that the traction system and the auxiliary system can share the cooling device. The traction integrated overall module and the novel motor train unit can solve the problems that an existing motor train unit is fixedly marshaled and difficult to maintain, so that the motor train unit is marshaled changeably, and maintaining difficulty is reduced.
Description
Technical field
The utility model relates to traction power technology, relates in particular to the integrated integral module of a kind of traction and novel motor train unit.
Background technology
Motor train unit, as the main traffic instrument in traffic network between city, shuttle back and forth between each city.The type of drive of motor train unit is mainly that alternating electromotive force drives.The power system of motor train unit comprises traction system and ancillary system, and wherein traction system is used to motor train unit that traction power is provided, and ancillary system provides power supply for the accessory equipment in motor train unit, such as car lighting, control convenience, emergent air feed, air-conditioning etc.Traction system mainly comprises High-Voltage Electrical Appliances, voltage transformer, traction convertor, control system, driving device and traction electric machine etc., wherein traction convertor comprises rectifier and traction invertor, ancillary system mainly comprises AuCT, auxiliary power supply, electrical apparatus control equipment, accessory equipment etc., and wherein AuCT comprises subordinate inverter.Voltage transformer in traction system is connected with high-voltage contact net with pantograph by High-Voltage Electrical Appliances, and wherein pantograph is by receiving line voltage with high-voltage contact net moving contact, and sends voltage transformer to by High-Voltage Electrical Appliances.
Motor-car) and trailer single-unit vehicle in motor train unit is divided into two classes conventionally, and traction power vehicle (is called for short:, wherein motor-car is equipped with power truck, has towability, and trailer is equipped with unpowered bogie.Existing motor train unit comprise at least two traction power unit, wherein each traction power unit comprises a set of traction system and a set of ancillary system, balanced weight Distribution Principles according to vehicle is arranged on vehicles more than two joints, voltage transformer, current transformer, control system, AuCT and auxiliary power supply in each traction power unit is installed on respectively on different vehicles, uses each other tediously long cable to connect.Fig. 1 is the distributed architecture schematic diagram of traction power unit in existing motor train unit.Motor train unit comprise at least two traction power unit, on the vehicle of each traction power cell distribution more than two joints, as shown in Figure 1, take the first traction power unit is example, it is upper that traction convertor is wherein arranged on first segment vehicle (motor-car), and it is upper that voltage transformer and High-Voltage Electrical Appliances are arranged on second section vehicle (trailer), and another traction convertor is arranged on the 3rd joint vehicle (motor-car), it is upper that AuCT is arranged on the 4th joint vehicle (trailer), causes the fixedly marshalling of permutation motor train unit.And each voltage transformer and current transformer need independent cooling unit is set, and have taken a large amount of spaces, and the electric equipment in each vehicle adopts cable to interconnect, and placement process need be considered the factors such as installation path, insulation and electromagnetic radiation.The distribution mode of the traction power unit of existing motor train unit exists that cost is higher, the fixedly marshalling of permutation motor train unit, and when certain electric equipment breaks down, must stop transport by car load, and the difficulty of existing motor train unit manufacture simultaneously, inspection and maintenance is larger.
Utility model content
The utility model provides the integrated integral module of a kind of traction and novel motor train unit, for solving existing motor train unit, must fix marshalling and the more difficult problem of maintenance, can realize the variable marshalling of motor train unit, and reduce maintenance difficulty.
The utility model embodiment provides a kind of traction integrated integral module, comprises traction system, ancillary system, cooling intallation and control convenience, and the integrated setting of described traction system, ancillary system, cooling intallation and control convenience, to be arranged on a motor-car;
Described control convenience is connected with ancillary system with described traction system respectively, for controlling described traction system and ancillary system work;
Cooling piping in described cooling intallation is located in described traction system and ancillary system, so that described traction system and ancillary system share a described cooling intallation.
The integrated integral module of traction as above, described traction system comprises High-Voltage Electrical Appliances, voltage transformer, traction convertor and traction electric machine, described ancillary system comprises AuCT and auxiliary power supply;
The input end of described AuCT is connected directly to the intermediate dc mouth of described traction convertor through cable.
The integrated integral module of traction as above, described cooling intallation comprises cooling piping, cooling pump group, radiator and cooling blower;
Described radiator is provided with liquid inlet and liquid outlet, and one end of described cooling piping is connected with the liquid outlet of described radiator, and the other end is located in described traction system and ancillary system, is then connected with the liquid inlet of described radiator;
Described cooling pump group is arranged on described cooling pipe and fastens, cooling system conditioner in described cooling piping flows under the driving of described cooling pump group in described cooling piping, to absorb the heat in described traction system and ancillary system, described cooling blower carries out cooling to the cooling system conditioner in described radiator.
The utility model embodiment also provides a kind of novel motor train unit, comprising:
At least one motor-car, is provided with the integrated integral module of traction as above in motor-car described in each;
At least one trailer, the quantity of described trailer is mated marshalling with the quantity of described motor-car according to power and speed class, between described trailer and motor-car, pulls connection.
Novel motor train unit as above, the two ends of described novel motor train unit are provided with end car, and described end car is motor-car or trailer.
Novel motor train unit as above, are provided with controlling equipment on described end car, and the roof of described end car is provided with two pantographs, so that single described end car independent operating.
Novel motor train unit as above, the integrated integral module integral installation of described traction is on a described motor-car, or partial installation is on a described motor-car.
The integrated integral module of traction and novel motor train unit that the utility model embodiment provides, by by the integrated setting of traction system, ancillary system, cooling intallation and control convenience, traction system and ancillary system share a cooling intallation, make traction power unit can carry out integral body assembling and disassemble, reduce the work capacity that car load is manufactured, above-mentioned traction power unit is arranged on a motor-car, can solve the fixing marshalling of existing motor train unit and the more difficult problem of maintenance, can realize the variable marshalling of motor train unit, and reduce maintenance difficulty.The trailer quantity of coupling is set according to the tractive output of traction power unit, forms the motor train unit of variable marshalling, when certain equipment breaks down, only change single middle motor-car or trailer, and do not need the permutation motor train unit of stopping transport for a long time.
Accompanying drawing explanation
Fig. 1 is the distributed architecture schematic diagram of traction power unit in existing motor train unit;
The structural representation of the integrated integral module of traction that Fig. 2 provides for the utility model embodiment mono-;
The mounting arrangement structural representation of the integrated integral module of traction that Fig. 3 provides for the utility model embodiment mono-;
The mounting arrangement schematic diagram one of the cooling intallation that Fig. 4 provides for the utility model embodiment mono-;
The structural representation of the novel motor train unit that Fig. 5 provides for the utility model embodiment bis-.
The specific embodiment
Embodiment mono-
The structural representation of the integrated integral module of traction that Fig. 2 provides for the utility model embodiment mono-, the mounting arrangement structural representation of the integrated integral module of traction that Fig. 3 provides for the utility model embodiment mono-, the mounting arrangement schematic diagram one of the cooling intallation that Fig. 4 provides for the utility model embodiment mono-.This draws integrated integral module and can be applied on motor train unit, also can be applied on city railway vehicle.As shown in Figures 2 to 4, draw integrated integral module and comprise traction system 1, ancillary system 2, cooling intallation 3 and control convenience 4, this traction system 1, ancillary system 2, cooling intallation 3 and the integrated setting of control convenience 4, to be arranged on a motor-car, form independently traction power unit.Control convenience 4 is connected with ancillary system 2 with traction system 1 respectively, for controlling traction system 1 and ancillary system 2 work.Cooling piping in cooling intallation 3 is located in traction system 1 and ancillary system 2, so that traction system 1 and ancillary system 2 share a cooling intallation 3.Draw integrated integral module and can to reduce volume and weight, for example, electrical equipment cabinet can be set by unified topological design, will draw integrated integral module cabinet inside is set, and cabinet is arranged on to motor-car bottom.
Because existing motor train unit are all distributed in the distinct device in each traction power unit at least two vehicles.Between equipment in each vehicle, adopt cable to connect, during cable distribution, need consider the factors such as installation path, insulation and electromagnetic radiation, the difficulty that causes connecting up is larger, and process is more loaded down with trivial details, and the equipment being distributed on each vehicle all needs to arrange cooling intallation, has promoted cost.When certain device fails, often need car load to stop transport to place under repair or exchange device more.Based on above-mentioned defect, the application has proposed a kind of by the scheme of the integrated setting of the integrated integral module of traction, specifically can adopt following technical scheme:
For motor train unit, traction system 1 comprises High-Voltage Electrical Appliances, voltage transformer 11, traction convertor and traction electric machine, ancillary system 2 comprises AuCT and auxiliary power supply, wherein, traction convertor comprises rectifier 12 and traction invertor 13, AuCT comprises subordinate inverter 21, and auxiliary power supply comprises battery charger 22 and battery pack 23.The input end of AuCT is connected directly to the intermediate dc mouth of traction convertor through cable.
The power supply voltage of motor train unit is generally AC high voltage, and the former limit of voltage transformer 11 is connected with High-Voltage Electrical Appliances, and High-Voltage Electrical Appliances are connected with the pantograph that is arranged on motor-car roof through cable.Pantograph by with high-voltage contact net moving contact, receive AC high voltage.Voltage transformer carries out AC high voltage to offer rectifier 12 after step-down, rectifier 12 is that direct current (DC) is exported to traction invertor 13 by AC rectification, the impulse singla that binistor in traction invertor 13 sends according to control convenience 4 is realized high-frequency break-make, direct current (DC) is converted to alternating current, and the traction electric machine 14 offering in traction system 1 travels with driving single-unit motor-car.
And the input end of subordinate inverter 21 is connected directly to the intermediate dc mouth of traction convertor through cable, specifically be connected with the DC output end of rectifier 12, receive the direct current (DC) of rectifier 12 outputs, the impulse singla that binistor in subordinate inverter 21 sends according to control convenience 4 is realized high frequency break-make, direct current (DC) is converted to alternating current, offers battery charger 22 and other accessory equipment in motor-car.
In traction control unit collection in motor train unit, recording control apparatus 4, mode of operation and the analog/digital signal of voltage sensor, temperature sensor and binistor are sent to binistor by control command and carry out after logic judgement.Between traction control unit and train network control system, to information such as motor train unit direct of travel, tractive force and electric braking force configuration, High-Voltage Electrical Appliances states, and the data such as mode of operation, trouble diagnosing carry out alternately, realize the intellectuality control to motor train unit operation, failure monitoring etc.
The integrated integral module of above-mentioned traction is by traction system 1, ancillary system 2, cooling intallation 3 and the integrated setting of control convenience 4, can shorten the connection line length of control convenience 4 and miscellaneous equipment, make wiring process more succinct, and shorter connection line can promote signal transmitting quality, reduce fault rate.And shortened the cable length connecting between each device, reduced the circuit connecting, made device layout compacter, reduced volume.
In addition, those skilled in the art also can consider Circuit tuning structure, select suitable circuit devcie, reasonable line arrangement, to reduce conductor length or the quantity connecting, so that the overall weight of traction convertor and AuCT is less than 2t, longitudinal length is less than 2.5m, transverse width is less than 2.8m, is highly less than 1m.
The present embodiment provides a kind of concrete implementation: for example, cooling intallation 3 can comprise cooling piping 31, cooling pump group 32, radiator 33 and cooling blower 34, the air outlet of cooling blower 34 is towards radiator 33, so that the cooling system conditioner of the described radiator 33 of flowing through is dispelled the heat.Radiator 33 is provided with liquid inlet and liquid outlet, and one end of cooling piping 31 is connected with the liquid outlet of radiator 33, and the other end is located in traction system 1 and ancillary system 2, is then connected with the liquid inlet of radiator 33.Cooling pump group 32 is arranged on cooling piping 31, and the cooling system conditioner in cooling piping 31 flows under the driving of cooling pump group 32 in cooling piping 31, and to absorb the heat in traction system 1 and ancillary system 2, cooling system conditioner can be refrigerant fluid or mineral oil.Cooling system conditioner in 34 pairs of cooling pipings 31 of cooling blower carries out cooling in the mode of force-air cooling, cooling system conditioner absorbs respectively the heat that current transformer and voltage transformer distribute, the mode with force-air cooling in radiator that enters is again carried out cooling, to reduce after temperature, recirculation flows in current transformer and voltage transformer and absorbs heat.Cooled hot air can blow to external environment condition by centrifugal blower.
Compared with prior art, it is cooling that the application only needs a cooling intallation 3 to carry out traction system 1 and ancillary system 2, greatly dwindled the volume and weight that draws integrated integral module.Those skilled in the art can realize multiple concrete cooling intallation 3 according to technique scheme design, can be optimized design to electrical connection and the mechanical connection circuit between cooling intallation 3 and traction system 1 and ancillary system 2, to dwindle the volume and weight of the integrated integral module of traction, make the weight of cooling intallation 3 be less than 1t, longitudinal length is less than 1.5m, transverse width is less than 2.8m, is highly less than 1m, and its heat radiation power is greater than 200kW.
Adopt technique scheme can make the weight of the integrated integral module of single traction be less than 4t, longitudinal length is less than 5m, and transverse width is less than 3m, is highly less than 1m.Certainly, those skilled in the art also can rule of thumb take alternate manner to adjust structure and the connection of each device in traction power unit, to realize the integrated setting in traction power unit.
The present embodiment passes through the integrated setting of traction system, ancillary system, cooling intallation and control convenience, form an integrated integral module of traction, traction system and ancillary system share a cooling intallation, making to draw integrated integral module can carry out integral body assembling and disassemble, each parts can be realized type selecting and installation moduleization design, reduce the work capacity that car load is manufactured, guarantee the reliability and stability of power system.The integrated integral module of above-mentioned traction is arranged on a motor-car so that a motor-car possesses complete electric and mechanical movement equipment, can independent operating or with other motor-car combined running.Therefore, can can form the motor train unit that 1-20 saves variable marshalling according to the quantity that requires proportioning motor-car and trailer of power and speed class, solve the fixing marshalling of vehicle and the more difficult problem of maintenance of existing motor train unit, can realize the variable marshalling of motor train unit, and reduce maintenance difficulty.Can as required motor train unit be carried out augmentation or be disassembled, such as the hard seat in motor train unit, hard berth, soft sleeper, dining car or two-layer vehicle etc. can freely be organized into groups.When certain equipment breaks down, only change single integral module, or change single motor-car or trailer, and the permutation motor train unit that do not need to stop transport have for a long time increased substantially emergency capability.
On the basis of technique scheme, those skilled in the art can rationally arrange installation site according to the concrete size of each device in traction power unit, to reach the object of dwindling whole traction power unit volume.The integrated integral module of above-mentioned traction can be applied on EMU, intercity motor train unit, city rail vehicle and subway, can also be applied in the railway transportation equipment of other types such as electric locomotive.
Those skilled in the art can be according to the state of each vehicle marshalling of track train, and design realizes the match control method of vehicle control system, so that control system can be identified efficiently and easily each travel condition of vehicle and carry out in time failure analysis and processing.
Embodiment bis-
The structural representation of the novel motor train unit that Fig. 5 provides for the utility model embodiment bis-.As shown in Figure 5, novel motor train unit comprise at least one motor-car, and the integrated integral module 30 of the traction providing as above-described embodiment is provided in each motor-car.Novel motor train unit also comprise at least one trailer 20, and the quantity of trailer 20 is mated marshalling with the quantity of motor-car according to power and speed class, between trailer 20 and motor-car, adopts machinery to pull connection.At the two ends of motor train unit, be provided with end car 101, this end car 101 can be motor-car, can be also trailer 20, be arranged on motor-car between the end car 101 at two ends can be referred to as in the middle of motor-car 102.
End can be provided with controlling equipment in car 101, and end car 101 tops are provided with pantograph, when end car 101 be motor-car, is wherein provided with and draws integrated integral module 30, controlling equipment and power truck, can be under the controlling of chaufeur independent operating.When end car is while being trailer 20, be wherein provided with unpowered bogie, need with other motor-car combined running.Roof at end car 101 can arrange two pantographs, as redundance unit, improves the operation stability of motor train unit.It will be appreciated by persons skilled in the art that two pantographs also can be arranged on other vehicle.
Controlling by train network control system of 101 pairs of full trains of end car realizes intelligent control.In train network control system, train bus-line, vehicle bus, gateway, Central Processing Unit (CPU), control unit for vehicle, remote input output module, read-out, remote data transmission system adopt rational redundancy structure, realize safe, the reliable and intellectuality of motor train unit is controlled.
And be provided with on middle motor-car 102, draw integrated integral module 30 and power truck, middle motor-car 102 is arranged on the centre of the end car 101 at motor train unit two ends, pull and be connected with end car 101, and from holding the mouth power taking of the pantograph of car 101, realize and end car 101 combined runnings.Trailer 20 is pulled and is connected with middle motor-car 102, on trailer 20, is provided with unpowered bogie, with 101 and motor-car 102 combined runnings.Middle motor-car 102 can be compiled extension at the two ends of motor train unit by concentrated setting continuously, and the centre of motor train unit arranges trailer 20, or middle motor-car 102 disperses to compile extension with trailer 20 intervals.The integrated integral module 30 of above-mentioned traction can integral installation on a motor-car, or partial installation is on a motor-car.
The novel motor train unit that the present embodiment provides, comprise at least one motor-car and at least one trailer, on each motor-car, be provided with the integrated integral module of traction that above-described embodiment provides, so that a motor-car possesses complete electric and mechanical movement equipment, form independently traction power unit, can independent operating or with other motor-car combined running.The integrated integral module of traction in single motor-car can wholely assemble and disassemble, and each parts can be realized type selecting and installation moduleization design, reduce the work capacity that car load is manufactured, and guarantee the reliability and stability of power system.Can be according to the quantity that requires proportioning motor-car and trailer of power and speed class, can form the motor train unit that 1-20 saves variable marshalling, the fixing marshalling of vehicle and the more difficult problem of maintenance that have solved existing motor train unit, can realize the variable marshalling of motor train unit, and reduce maintenance difficulty.Can as required motor train unit be carried out augmentation or be disassembled, such as the hard seat in motor train unit, hard berth, soft sleeper, dining car or two-layer vehicle etc. can freely be organized into groups.When certain equipment breaks down the short time can not repair time, only need to change single-unit vehicle, and the permutation motor train unit that do not need to stop transport for a long time, minimizing maintenance time, has increased substantially emergency capability.
Finally it should be noted that: each embodiment, only in order to the technical solution of the utility model to be described, is not intended to limit above; Although the utility model is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (7)
1. the integrated integral module of traction, comprises traction system, ancillary system, cooling intallation and control convenience, it is characterized in that, the integrated setting of described traction system, ancillary system, cooling intallation and control convenience, to be arranged on a motor-car;
Described control convenience is connected with ancillary system with described traction system respectively, for controlling described traction system and ancillary system work;
Cooling piping in described cooling intallation is located in described traction system and ancillary system, so that described traction system and ancillary system share a described cooling intallation.
2. the integrated integral module of traction according to claim 1, is characterized in that, described traction system comprises High-Voltage Electrical Appliances, voltage transformer, traction convertor and traction electric machine, and described ancillary system comprises AuCT and auxiliary power supply;
The input end of described AuCT is connected directly to the intermediate dc mouth of described traction convertor through cable.
3. the integrated integral module of traction according to claim 2, is characterized in that, described cooling intallation comprises cooling piping, cooling pump group, radiator and cooling blower;
Described radiator is provided with liquid inlet and liquid outlet, and one end of described cooling piping is connected with the liquid outlet of described radiator, and the other end is located in described traction system and ancillary system, is then connected with the liquid inlet of described radiator;
Described cooling pump group is arranged on described cooling pipe and fastens, cooling system conditioner in described cooling piping flows under the driving of described cooling pump group in described cooling piping, to absorb the heat in described traction system and ancillary system, described cooling blower carries out cooling to the cooling system conditioner in described radiator.
4. novel motor train unit, is characterized in that, comprising:
At least one motor-car, is provided with the integrated integral module of traction as described in claim 1-3 any one in motor-car described in each;
At least one trailer, the quantity of described trailer is mated marshalling with the quantity of described motor-car according to power and speed class, between described trailer and motor-car, pulls connection.
5. novel motor train unit according to claim 4, is characterized in that, the two ends of described novel motor train unit are provided with end car, and described end car is motor-car or trailer.
6. novel motor train unit according to claim 5, is characterized in that, on described end car, are provided with controlling equipment, and the roof of described end car is provided with two pantographs, so that single described end car independent operating.
7. according to the novel motor train unit described in claim 4-6 any one, it is characterized in that, the integrated integral module integral installation of described traction is on a described motor-car, or partial installation is on a described motor-car.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320617596.0U CN203485778U (en) | 2013-10-08 | 2013-10-08 | Traction integrated overall module and novel motor train unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320617596.0U CN203485778U (en) | 2013-10-08 | 2013-10-08 | Traction integrated overall module and novel motor train unit |
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| CN203485778U true CN203485778U (en) | 2014-03-19 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103507650A (en) * | 2013-10-08 | 2014-01-15 | 中国北车股份有限公司 | Traction integration whole module and novel motor train unit |
| CN104385927A (en) * | 2014-11-28 | 2015-03-04 | 南车株洲电力机车有限公司 | Standby power supply system |
| CN105501065A (en) * | 2014-09-26 | 2016-04-20 | 中车大连电力牵引研发中心有限公司 | Auxiliary power supply system for subway vehicle |
| CN105957694A (en) * | 2016-05-12 | 2016-09-21 | 无锡金鑫集团股份有限公司 | Train tractor cooling system |
| CN106004894A (en) * | 2016-05-26 | 2016-10-12 | 中车大连机车车辆有限公司 | Overhead type frame control traction inverter for diesel locomotive |
| CN107856548A (en) * | 2017-10-31 | 2018-03-30 | 中车永济电机有限公司 | The traction integrated unit of EMUs car end to end |
-
2013
- 2013-10-08 CN CN201320617596.0U patent/CN203485778U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103507650A (en) * | 2013-10-08 | 2014-01-15 | 中国北车股份有限公司 | Traction integration whole module and novel motor train unit |
| CN103507650B (en) * | 2013-10-08 | 2016-03-16 | 唐山轨道客车有限责任公司 | The integrated integral module of a kind of traction and motor train unit |
| CN105501065A (en) * | 2014-09-26 | 2016-04-20 | 中车大连电力牵引研发中心有限公司 | Auxiliary power supply system for subway vehicle |
| CN104385927A (en) * | 2014-11-28 | 2015-03-04 | 南车株洲电力机车有限公司 | Standby power supply system |
| CN105957694A (en) * | 2016-05-12 | 2016-09-21 | 无锡金鑫集团股份有限公司 | Train tractor cooling system |
| CN106004894A (en) * | 2016-05-26 | 2016-10-12 | 中车大连机车车辆有限公司 | Overhead type frame control traction inverter for diesel locomotive |
| CN107856548A (en) * | 2017-10-31 | 2018-03-30 | 中车永济电机有限公司 | The traction integrated unit of EMUs car end to end |
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Address after: 100039, No. 16 West Fourth Ring Road, Beijing, Haidian District Patentee after: CRRC Corp.,Ltd. Address before: 100039, No. 16 West Fourth Ring Road, Beijing, Haidian District Patentee before: China South Locomotive Rolling Stock Corp. |
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Effective date of registration: 20151217 Address after: 063035 Hebei province Fengrun District Tangshan City Road No. 3 factory Patentee after: TANGSHAN RAILWAY VEHICLE Co.,Ltd. Address before: 100039, No. 16 West Fourth Ring Road, Beijing, Haidian District Patentee before: CRRC Corp.,Ltd. Effective date of registration: 20151217 Address after: 100039, No. 16 West Fourth Ring Road, Beijing, Haidian District Patentee after: China South Locomotive Rolling Stock Corp. Address before: 100078 Beijing city Fengtai District Fangzhuang park is a district 15 building room 1001 Patentee before: CHINA CNR Corp.,Ltd. |
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