CN117698774A - Storage battery new energy locomotive refitted from diesel locomotive - Google Patents

Storage battery new energy locomotive refitted from diesel locomotive Download PDF

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Publication number
CN117698774A
CN117698774A CN202410040267.7A CN202410040267A CN117698774A CN 117698774 A CN117698774 A CN 117698774A CN 202410040267 A CN202410040267 A CN 202410040267A CN 117698774 A CN117698774 A CN 117698774A
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CN
China
Prior art keywords
locomotive
traction
motor
motors
internal combustion
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Pending
Application number
CN202410040267.7A
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Chinese (zh)
Inventor
马艳涛
李荣佳
蔡磊
曾建勇
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Xiangyang Gotoo Machinery & Electronic Appliance Co ltd
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Xiangyang Gotoo Machinery & Electronic Appliance Co ltd
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Application filed by Xiangyang Gotoo Machinery & Electronic Appliance Co ltd filed Critical Xiangyang Gotoo Machinery & Electronic Appliance Co ltd
Priority to CN202410040267.7A priority Critical patent/CN117698774A/en
Publication of CN117698774A publication Critical patent/CN117698774A/en
Pending legal-status Critical Current

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T30/00Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance

Abstract

The technical scheme of the invention provides a new energy locomotive of a storage battery modified by an internal combustion locomotive, which comprises an internal combustion locomotive part, a motor driving part and a wheel set transmission part, wherein the internal combustion locomotive part comprises an original frame, a bogie and a wheel set of the internal combustion locomotive, a power battery pack, a storage battery combiner box, a high-voltage distribution box and a traction inverter are arranged in the frame, and the power battery pack, the storage battery combiner box, the high-voltage distribution box and the traction inverter are electrically connected in sequence and used for providing power supply for motor driving; the motor driving part comprises traction motors, and the number of the traction motors is one or more according to the traction tonnage. According to the invention, the motor driving part is matched with the wheel set transmission part, and one or more motors are transversely distributed according to different traction power requirements, so that the traction motors meeting the traction requirements can be installed in a more effective space under the vehicle, more original structures are reserved, the transformation cost is saved, and the transformation time is saved.

Description

Storage battery new energy locomotive refitted from diesel locomotive
Technical Field
The invention relates to the technical field of new energy locomotives, in particular to a new energy locomotive with a storage battery modified from an internal combustion locomotive.
Background
The traditional diesel locomotive has long standby time in shunting and taking operation, and fuel oil is not consumed and waste is serious due to idling of the diesel locomotive; the locomotive has low work load (low-rotation-speed operation) in most of the time, needs less time of high-power operation, has frequent load change, and is easy to cause insufficient combustion of a diesel engine and large power loss; the locomotive diesel engine has a complex structure, and has large accessory purchasing requirements, so that the locomotive is difficult to maintain and has high maintenance and premium; the characteristics of the diesel engine lead to the problems that the diesel engine inevitably generates noise and discharges, and the working environment and the living environment of surrounding residents are greatly influenced, and the like, and in order to achieve the carbon reduction aim, a new energy locomotive which adopts a storage battery to provide energy is more suitable for the current requirements.
If a new energy locomotive is directly produced and manufactured, the manufacturing cost is high, and the replaced diesel locomotive can be used, great waste is caused, so that the new energy locomotive is transformed, a diesel engine on the new energy locomotive can be removed, key factors influencing the service life of the locomotive are eliminated, for example, a device and a method for transforming a diesel locomotive into an electric locomotive in patent 201880091050.1 relate to a device for transforming the diesel locomotive into the electric locomotive, which comprises an operation component for the electric locomotive and an adapting frame, wherein the operation component is mounted on the adapting frame, and the adapting frame is designed to be connected with a connection point of a mechanical basic structure of the diesel locomotive, and further relates to a corresponding electric locomotive and a method for transforming the diesel locomotive.
For the prior art, the adapting time can be shortened by adapting the connecting part of the frame for transformation, but the traction part is not transformed, because the traction motors of the diesel locomotive and the new energy locomotive are not universal, the traction motor of the new energy locomotive is in the current state, such as in special working condition, when the traction tonnage is large and the ramp is large, the motor power is required to be 360KW at maximum, no mature motor with high power exists at present, the external dimension of the high power motor is larger, and the space under the vehicle cannot be met, therefore, if the transformation cost is saved and the traction requirement is met, the original running part and bogie part are reserved as far as possible, how to transform the diesel locomotive into the new energy locomotive of the storage battery and carry out effective motor traction is the technical problem to be solved, and no effective solution is proposed at present for the problems in the related art.
Disclosure of Invention
In view of the foregoing, it is necessary to provide a new energy storage battery locomotive modified from an internal combustion locomotive, which solves the technical problems of how to modify the internal combustion locomotive into a new energy storage battery locomotive and perform effective motor traction in the prior art.
In order to achieve the technical purpose, the technical scheme of the invention provides a new energy locomotive of a storage battery refitted from an internal combustion locomotive, which comprises the following components:
the internal combustion locomotive part comprises an original locomotive frame, a bogie and wheel sets of the internal combustion locomotive, wherein a power battery pack, a storage battery converging box, a high-voltage distribution box and a traction inverter are arranged in the locomotive frame, and the power battery pack, the storage battery converging box, the high-voltage distribution box and the traction inverter are electrically connected in sequence and used for providing power supply for motor driving;
the motor driving part comprises traction motors, the number of the traction motors is one or more according to the traction tonnage, the number of the traction motors is increased according to the increase of the traction tonnage, the traction motors are transversely and parallelly distributed, and the traction motors are respectively and electrically connected to the corresponding traction inverters and are used for converting electric energy into mechanical energy and providing driving force for rotation of the wheel set; and
And the input end of the wheel pair driving part is connected with the output end of the motor driving part corresponding to the traction motor, and is used for regulating the rotating speed output by the motor driving part and transmitting the rotating speed to the wheel pair to rotate.
Further, the wheel set transmission part comprises an axle gear box, and the output end of the axle gear box is connected with the corresponding wheel set.
Further, the number of the traction motors on the motor driving part is one, the traction motors are mounted at the bottom of the vehicle frame, and the output ends of the traction motors are connected to the input ends of the axle gear box through transmission shafts.
Further, the wheel pair portion further comprises a reduction gearbox, the number of the traction motors on the motor driving portion is two, the two traction motors and the reduction gearbox are all installed at the bottom of the vehicle frame, the reduction gearbox is provided with two input ends and one output end, the two output ends of the traction motors are respectively connected with the two input ends of the reduction gearbox, and the output end of the reduction gearbox is connected with the input end of the axle gearbox through a transmission shaft.
Further, one axle gear box is correspondingly arranged on one wheel set, the traction motor is a shaft-locking motor, the shaft-locking motor is arranged on the bogie through a connecting piece, the number of the shaft-locking motors is in one-to-one correspondence with that of the axle gear boxes, the output ends of the shaft-locking motors are respectively connected with the input ends of the corresponding axle gear boxes one by one, and the shaft-locking motor directly rotates and drives the single wheel set through the axle gear box.
Further, the number of the wheel sets is four, and the wheel sets are respectively arranged on the front bogie and the rear bogie.
Further, the number of the wheel sets is six, and the wheel sets are respectively arranged on the front, middle and rear three bogies.
Furthermore, the high-voltage distribution box is also electrically connected with an auxiliary inversion unit for supplying power for high-power electric equipment in the locomotive.
Further, the high-voltage distribution box is also electrically connected with a DC-DC module and a 24V storage battery, and is used for supplying power for auxiliary electric appliances in the locomotive.
Further, the high-voltage distribution box is also electrically connected with a charging socket.
Compared with the prior art, the invention has the beneficial effects that: through motor drive portion cooperation wheel pair drive portion to the collection and distribution of one or more motors according to different traction power demands, can satisfy the traction motor of traction demand on comparatively effectual space installation under the car, and remain more original structures, save transformation cost, save transformation consuming time.
Drawings
FIG. 1 is a schematic diagram of a traction motor arrangement for a new battery locomotive retrofitted with an internal combustion locomotive according to an embodiment of the present invention;
FIG. 2 is a front view of a dual motor traction configuration of a battery new energy locomotive retrofitted with an internal combustion locomotive according to an embodiment of the present invention;
FIG. 3 is a front view of a multi-motor traction configuration of a battery new energy locomotive retrofitted with an internal combustion locomotive according to an embodiment of the present invention;
FIG. 4 is a three-dimensional elevation view of a multi-motor traction structure of a new energy locomotive of a battery retrofitted with an internal combustion locomotive according to an embodiment of the present invention;
in the figure: 1. an internal combustion locomotive portion; 11. a vehicle frame; 12. a bogie; 13. a wheel set; 14. a power battery pack; 15. a storage battery junction box; 16. a high voltage distribution box; 17. a traction inverter;
2. a motor driving part; 21. a traction motor;
3. a wheel transmission unit; 31. an axle gear box; 32. a reduction gearbox;
4. an auxiliary inversion unit; 5. a DC-DC module; 6. a 24V battery; 7. a braking unit;
Detailed Description
Preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which form a part hereof, and together with the description serve to explain the principles of the invention, and are not intended to limit the scope of the invention.
As shown in fig. 1-2, the invention provides a new energy locomotive of a storage battery modified by an internal combustion locomotive, which comprises an internal combustion locomotive part 1, a motor driving part 2 and a wheel pair driving part 3, wherein the internal combustion locomotive part 1 comprises an original locomotive frame 11, a bogie 12 and a wheel pair 13 of the internal combustion locomotive, and specifically, the internal combustion locomotive is dismantled with a diesel generator set and an accessory system, a transmission system, a cooling and radiating device, cables and pipelines, and the external shape structure of the original locomotive of the internal combustion locomotive, namely the locomotive frame 11 is reserved, and an original locomotive bogie 12, an air system pipeline and valve parts and the wheel pair 13 on the bogie 12 are reserved; the locomotive is electrically controlled and reformed, and specifically, a power battery pack 14, a storage battery combiner box 15, a high-voltage distribution box 16 and a traction inverter 17 are arranged in the locomotive frame 11, and the power battery pack 14, the storage battery combiner box 15, the high-voltage distribution box 16 and the traction inverter 17 are electrically connected in sequence and used for providing power supply for motor driving; the motor driving part 2 comprises traction motors 21, wherein one or more traction motors 21 are arranged according to the traction tonnage, the number of the traction motors 21 is increased according to the increase of the traction tonnage, the traction motors 21 are transversely and parallelly distributed, so that a mode of single motor traction, double motor traction and multi-motor traction is formed, the number of the motors is arranged according to the traction requirement, the corresponding wheel set driving part 3 is matched for transmission, the multi-motors are matched for forming larger traction power, the immature current situation of a high-power motor is counteracted, the distribution and the number of motor traction in the transformation can be adaptively adjusted according to the traction tonnage requirement, the motor traction problem in the transformation can be effectively solved, the multi-motor matching mode can be used for loading and unloading the motor in the space under the vehicle, the space is set up to be empty, the problem of the motor installation space is solved, the bogie 12, the vehicle frame 11 and the wheel set 13 of the original diesel locomotive are reserved to the greatest extent, and the traction motors 21 are respectively electrically connected to the corresponding traction inverters 17 for converting electric energy into mechanical energy and providing the driving force for rotating the wheel set 13; the input end of the wheel set transmission part 3 is connected with the output end of the motor driving part 2 corresponding to the traction motor 21, and is used for regulating the rotation speed output by the motor driving part 2 and transmitting the rotation speed to the wheel set 13 to rotate.
It will be appreciated that the power battery pack 14 is a lithium iron phosphate power battery with a protection rating of IP65. And a battery management system, an automatic fire prevention and control suppression device and a thermal management system are installed. The battery pack is internally provided with a heating system and a cooling system, so that the requirements of high-temperature and low-temperature work can be met.
Further, in the electric control part, the high-voltage distribution box 16 is further electrically connected with a brake unit 7 for controlling braking.
It is understood that the braking may be air braking using a JZ-7 brake.
Further, in the electric control part, the high-voltage distribution box 16 is further electrically connected with an auxiliary inverter unit 4, which is used for supplying power to high-power electric equipment in the locomotive, namely an air conditioner, an air compressor, a socket and 380V for external power supply.
Further, in the electric control part, the high-voltage distribution box 16 is further electrically connected with the DC-DC module 5 and the 24V storage battery 6, and is used for supplying power to auxiliary electric appliances in the locomotive, namely, a lamp, the auxiliary electric appliances, a fan water pump and a control circuit.
Further, in the electric control part, the high voltage distribution box 16 is further electrically connected to a charging socket for charging the power battery pack 14.
It can be understood that the locomotive traction conversion part mainly adopts a modularized design and consists of a traction system and an auxiliary system, wherein the traction system mainly comprises a pre-charging loop, a middle supporting loop, a grounding detection loop, a high-voltage indication loop, a slow discharging loop and two traction inversion modules; the auxiliary system directly takes electricity from the middle direct current bus, shares the middle direct current loop, mainly comprises three groups of auxiliary inverters, and respectively supplies power for loads such as a cooling fan, an air compressor, domestic electricity and the like.
Example 1
In this embodiment, a dual-motor B-B transmission is adopted, specifically, the wheel set transmission portion 3 includes an axle gear box 31, and an output end of the axle gear box 31 is connected with the corresponding wheel set 13, that is, the bogie 12, the wheel set 13 and the axle gear box 31 on the wheel set 13 are reserved.
Further, the number of the traction motors 21 on the motor driving part 2 is one, the traction motors 21 are installed at the bottom of the vehicle frame 11, and the output ends of the traction motors 21 are connected to the input ends of the axle gear boxes 31 through transmission shafts, wherein the original generators, gearboxes and transfer cases are removed, only one traction motor 21 is added, the output ends of the traction motors are connected to the transmission shafts, and the traction motors are connected with the axle gear boxes 31 to drive wheels to walk.
It can be understood that the traction part of the single bogie correspondingly uses a motor for traction, the original mechanical transmission structure does not need to be changed, only a specific traction motor needs to be replaced, the cost is low, but the condition of low traction power exists, and the traction part is suitable for the condition of low traction tonnage and low road condition climbing ramp.
Preferably, the locomotive is a four-axle locomotive, and the number of the wheel pairs 13 is four, and the wheel pairs are respectively arranged on the front bogie 12 and the rear bogie 12.
It is to be understood that the above embodiments are not limited to four-axis locomotives, but are applicable to multi-axis locomotives of other specifications.
Example two
In this embodiment, four motors B-B are used for transmission, and in particular, refer to fig. 1-2, where the wheel set transmission portion 3 includes an axle gear box 31, and an output end of the axle gear box 31 is connected to the corresponding wheel set 13, that is, the bogie 12, the wheel set 13, and the axle gear box 31 on the wheel set 13 are reserved.
Further, the wheel set 3 further includes a reduction gearbox 32, the number of traction motors 21 on the motor driving part 2 is two, two traction motors 21 and the reduction gearbox 32 are all installed at the bottom of the vehicle frame 11, the reduction gearbox 32 has two input ends and one output end, the two output ends of the traction motors 21 are respectively connected with the two input ends of the reduction gearbox 32, the output end of the reduction gearbox 32 is connected with the input end of the axle gearbox 31 through a transmission shaft, the original bogie 12 structure is reserved, a new reduction gearbox 32 is replaced, the reduction gearbox 32 is used for inputting and outputting two ends, the input ends are respectively connected with one traction motor 21, the output ends are connected with the transmission shaft, the axle gearbox 31 is connected again, and the wheels are driven to walk, and the structure is four traction motors 21.
It can be understood that the transformation mode of the four-motor B-B transmission can keep the original running part and bogie part as much as possible, and the cost of the whole transformation is greatly saved; if the first two-motor implementation mode is adopted under special working conditions such as large traction tonnage and large ramp, the motor power is required to be 360KW at maximum, but no mature motor with such high power exists at present, the outline dimension of the high-power motor is larger, the space under the vehicle cannot be met, and the four-motor B-B transmission can be installed under the vehicle, so that the problem of the installation space of the motor is solved; the reduction ratio of the original axle gear box is not large, so that the requirement on the motor is very high, the reduction ratio can be increased by adding one reduction box 32, and the problems of motor installation space and traction power can be solved.
Preferably, the locomotive is a four-axle locomotive, and the number of the wheel pairs 13 is four, and the wheel pairs are respectively arranged on the front bogie 12 and the rear bogie 12.
It is to be understood that the above embodiments are not limited to four-axis locomotives, but are applicable to multi-axis locomotives of other specifications.
Example III
In this embodiment, a multi-motor independent traction transmission is adopted, specifically, refer to fig. 3-4, where the wheel set transmission portion 3 includes an axle gear box 31, an output end of the axle gear box 31 is connected with a corresponding wheel set 13, one wheel set 13 is correspondingly provided with one axle gear box 31, that is, a majority of bogie 12 structures are reserved, but the axle gear box 31 of the wheel set 13 is modified, each wheel set 13 is provided with one axle gear box 31, and correspondingly, the traction motor 21 is a axle-holding motor, and the axle-holding motor is installed on the bogie 12 through a connecting piece. The number of the axle-holding motors is in one-to-one correspondence with the number of the axle gear boxes 31, the output ends of the axle-holding motors are respectively connected with the input ends of the corresponding axle gear boxes 31 one by one, and the axle-holding motors directly rotate and drive the single wheel set 13 through the axle gear boxes 31.
It can be understood that each wheel set 13 is provided with a traction motor 21 for traction, so that the overall power of the whole vehicle is higher, and the requirement of high-power traction can be met; the traction motor 21 is dispersed on the wheel axle of each wheel pair 13, so that the whole vehicle can be provided with high power and has a compact and simple structure; the device is suitable for large-gradient and large-tonnage traction conditions.
It should be noted that, the axle-holding motor may be a permanent magnet synchronous motor or a switched reluctance motor.
Preferably, the locomotive is a four-axle locomotive, and the number of the wheel pairs 13 is four, and the wheel pairs are respectively arranged on the front bogie 12 and the rear bogie 12.
Preferably, the locomotive may also be a six-axle locomotive, and the number of the wheel sets 13 is six, and the wheel sets are respectively arranged on the front, middle and rear three bogies 12.
It is to be understood that the above embodiments are not limited to four-axis locomotives and six-axis locomotives, but are applicable to other specifications of multi-axis locomotives.
The specific working procedure of the invention is as follows: according to the use environment of the diesel locomotive, if the use environment is low-power traction, double-motor B-B transmission is adopted, a single motor is connected into a transmission shaft, and then the transmission shaft is connected with an axle gear box, so that the modification is quick, and the original structure is kept; if the traction tonnage is large and the running environment has a large gradient, four motors B-B are adopted for transmission, the two motors are in butt joint with a two-input and one-output reduction gearbox, and the two motors are connected with an axle gearbox after being connected with a transmission shaft, so that the modification is simple, and more original structures can be reserved; if the traction device is required to be used for high-power traction, independent traction transmission of multiple motors can be adopted, an axle gear box and a shaft-locking motor are independently arranged on each wheel pair, one motor is used for independently driving one wheel pair, the overall power is larger, and the requirement of high-power traction can be met. According to different traction power demands, a plurality of motors are distributed in a matched transmission mode, so that traction motors meeting the demands can be installed in a more effective space under a vehicle, more original structures are reserved, the transformation cost is saved, and the transformation time is saved.
The entire workflow is completed and what is not described in detail in this specification is well known to those skilled in the art.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention.

Claims (10)

1. A battery new energy locomotive retrofitted to an internal combustion locomotive, comprising:
the internal combustion locomotive part comprises an original locomotive frame, a bogie and wheel sets of the internal combustion locomotive, wherein a power battery pack, a storage battery converging box, a high-voltage distribution box and a traction inverter are arranged in the locomotive frame, and the power battery pack, the storage battery converging box, the high-voltage distribution box and the traction inverter are electrically connected in sequence and used for providing power supply for motor driving;
the motor driving part comprises traction motors, the number of the traction motors is one or more according to the traction tonnage, the number of the traction motors is increased according to the increase of the traction tonnage, the traction motors are transversely and parallelly distributed, and the traction motors are respectively and electrically connected to the corresponding traction inverters and are used for converting electric energy into mechanical energy and providing driving force for rotation of the wheel set; and
And the input end of the wheel pair driving part is connected with the output end of the motor driving part corresponding to the traction motor, and is used for regulating the rotating speed output by the motor driving part and transmitting the rotating speed to the wheel pair to rotate.
2. The battery powered locomotive of claim 1 wherein said wheelset transmission includes an axle gearbox, an output of said axle gearbox being connected to a corresponding said wheelset.
3. The battery powered new energy locomotive of claim 2, wherein the number of traction motors on the motor drive is one, the traction motors are mounted on the bottom of the vehicle frame, and the output of the traction motors are connected to the input of the axle gearbox by a drive shaft.
4. The new energy locomotive of a storage battery retrofitted from an internal combustion locomotive according to claim 2, wherein said wheelset transmission portion further comprises a reduction gearbox, said number of traction motors on said motor drive portion is two, said two traction motors and said reduction gearbox are both mounted on the bottom of said vehicle frame, said reduction gearbox has two input ends and an output end, said two traction motor output ends are respectively connected with said two input ends of said reduction gearbox, and said reduction gearbox output end is connected with said axle gearbox input end through a transmission shaft.
5. The new energy locomotive of a storage battery modified from an internal combustion locomotive according to claim 2, wherein one axle gear box is correspondingly arranged on one wheel pair, the traction motor is a shaft-locking motor, the shaft-locking motor is arranged on the bogie through a connecting piece, the number of the shaft-locking motors is in one-to-one correspondence with the number of the axle gear boxes, the output ends of the shaft-locking motors are respectively connected with the input ends of the corresponding axle gear boxes, and the shaft-locking motors directly rotate and drive the single wheel pair through the axle gear boxes.
6. The new energy locomotive of a storage battery retrofitted to an internal combustion locomotive according to any one of claims 3-5 wherein said number of wheel sets is four and each is disposed on both front and rear bogies.
7. The new energy locomotive of claim 5, wherein the number of wheel sets is six and the wheel sets are respectively arranged on the front, middle and rear three bogies.
8. The new energy locomotive of battery retrofitted with an internal combustion locomotive according to claim 1 wherein said high voltage distribution box is further electrically connected to an auxiliary inverter unit for supplying power to high power consumers within the locomotive.
9. The new energy locomotive of battery retrofitted to an internal combustion locomotive of claim 1 wherein said high voltage distribution box is further electrically connected to a DC-DC module and a 24V battery for supplying power to auxiliary electrical equipment within the locomotive.
10. The new energy locomotive of claim 1, wherein the high voltage distribution box is further electrically connected to a charging socket.
CN202410040267.7A 2024-01-10 2024-01-10 Storage battery new energy locomotive refitted from diesel locomotive Pending CN117698774A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410040267.7A CN117698774A (en) 2024-01-10 2024-01-10 Storage battery new energy locomotive refitted from diesel locomotive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410040267.7A CN117698774A (en) 2024-01-10 2024-01-10 Storage battery new energy locomotive refitted from diesel locomotive

Publications (1)

Publication Number Publication Date
CN117698774A true CN117698774A (en) 2024-03-15

Family

ID=90162522

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202410040267.7A Pending CN117698774A (en) 2024-01-10 2024-01-10 Storage battery new energy locomotive refitted from diesel locomotive

Country Status (1)

Country Link
CN (1) CN117698774A (en)

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