CN113415294A - Power integration system of new forms of energy railcar - Google Patents

Power integration system of new forms of energy railcar Download PDF

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Publication number
CN113415294A
CN113415294A CN202110845882.1A CN202110845882A CN113415294A CN 113415294 A CN113415294 A CN 113415294A CN 202110845882 A CN202110845882 A CN 202110845882A CN 113415294 A CN113415294 A CN 113415294A
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CN
China
Prior art keywords
power
drive
wheel pair
new energy
transfer case
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110845882.1A
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Chinese (zh)
Inventor
段启楠
陈志远
邓建华
丁发
裴玉虎
李云浩
张元贺
杜根林
李曦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Tiesiju Civil Engineering Group Co Ltd CTCE Group
Original Assignee
China Tiesiju Civil Engineering Group Co Ltd CTCE Group
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Tiesiju Civil Engineering Group Co Ltd CTCE Group filed Critical China Tiesiju Civil Engineering Group Co Ltd CTCE Group
Priority to CN202110845882.1A priority Critical patent/CN113415294A/en
Publication of CN113415294A publication Critical patent/CN113415294A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C3/00—Electric locomotives or railcars
    • B61C3/02—Electric locomotives or railcars with electric accumulators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
    • B61C9/38—Transmission systems in or for locomotives or motor railcars with electric motor propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
    • B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
    • B61F5/301—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes incorporating metal springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
    • B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
    • B61F5/308—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes incorporating damping devices
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention discloses a power integration system of a new energy rail car, which comprises a car body, wherein the car body comprises a car frame and a carriage arranged on the car frame; the power driving system comprises a driving unit arranged between the frame and the carriage, a power source unit arranged on the driving unit, and a battery pack management system arranged on the power source unit; the power transmission system comprises a transfer case connected with the power output ends of the driving units, wheel set assemblies arranged at a plurality of power output ends of the transfer case, and a gear transmission case arranged between the transfer case and the wheel set assemblies; the driving unit can output power to drive the transfer case to respectively drive the wheel pair assemblies to drive the vehicle body to move. The invention is provided with an electric power driving system and is matched with a power transmission system so as to drive the vehicle body to move. The power driving system is energy-saving, environment-friendly and efficient, and the power driving system is simple in structure and high in transmission efficiency.

Description

Power integration system of new forms of energy railcar
Technical Field
The invention relates to the technical field of new energy rail cars, in particular to a power integration system of a new energy rail car.
Background
With the rapid development of economy, the construction of rail transit, including trains, high-speed rails, subways, light rails and inter-city trains, has become a trend of public transportation development in various countries. The development of rail transit can increase the transportation force, relieve traffic jam and reduce traffic accidents.
At present, rail engineering locomotives at home and abroad mostly use a diesel engine as power, and the diesel engine is used as a power driving device to have a plurality of adverse effects, such as large environmental pollution, large noise pollution, low capacity transmission efficiency and large energy consumption. In order to reduce environmental pollution and energy consumption, in the prior art, a hybrid vehicle taking a storage battery as power or an oil-electricity hybrid vehicle is developed rapidly, but the vehicle taking the storage battery as power has the problems of insufficient endurance mileage and small traction tonnage, and a power transmission system of the hybrid vehicle is generally complex in structure, large in size and low in transmission efficiency.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and in order to realize the purpose, a power integration system of a new energy rail car is adopted to solve the problems in the background technology.
A power integration system of a new energy rail car comprises:
the vehicle body comprises a frame and a carriage arranged on the frame;
the power driving system comprises a driving unit arranged between the frame and the carriage, a power source unit arranged on the driving unit, and a battery pack management system arranged on the power source unit;
the power transmission system comprises a transfer case connected with the power output ends of the driving units, wheel set assemblies arranged at a plurality of power output ends of the transfer case, and a gear transmission case arranged between the transfer case and the wheel set assemblies;
the driving unit can output power to drive the transfer case to respectively drive the wheel pair assemblies to drive the vehicle body to move.
Adopt above-mentioned scheme: the lithium power battery pack of the power source unit arranged on the frame and the carriage of the vehicle body is used for supplying power to the driving unit and driving the driving unit, meanwhile, the battery pack management system can precisely control the power source unit, and the driving unit is matched with the power transmission system to output power with high temperature efficiency. And the transfer case drives the wheel pair to move again, so that the structure is simple, the overall weight of the new energy rail car can be reduced, and the structure of a power transmission system is optimized.
As a further aspect of the invention: the driving unit comprises a motor and a driving shaft arranged at the power output end of the motor.
As a further aspect of the invention: the motor adopts a permanent magnet synchronous traction motor.
Adopt above-mentioned scheme: the permanent magnet synchronous traction motor is used as a power source of the motor, and power is output through the driving shaft, so that the structure is simple and efficient.
As a further aspect of the invention: the power source unit adopts a lithium battery pack, and the battery pack management system is connected to a signal end of the lithium battery pack.
Adopt above-mentioned scheme: the specific power source unit adopts a lithium battery pack, so that the energy is saved, the environment is protected, and the cruising ability is strong. And the control of the battery pack management system is matched, so that the efficiency is higher.
As a further aspect of the invention: the wheel pair assembly comprises a first wheel pair and a second wheel pair which are arranged on two sides of the frame and are uniformly distributed, and rotating shafts arranged on the first wheel pair and the second wheel pair.
As a further aspect of the invention: and the first wheel pair and the second wheel pair are provided with axle box suspension devices for suspension and shock absorption.
Adopt above-mentioned scheme: the power transmission structure is optimized, and the running stability of the whole vehicle is improved.
As a further aspect of the invention: the axle box suspension device comprises an axle box body, at least two axle box springs arranged on the axle box body, and a hydraulic shock absorber arranged between the at least two axle box springs.
Adopt above-mentioned scheme: through setting up foretell axle box spring and hydraulic shock absorber, can improve the travelling comfort that new forms of energy railcar took, and can increase the stationarity that new forms of energy railcar moved.
As a further aspect of the invention: the gear transmission case comprises a gear case body, a first transmission shaft arranged on the gear case body and a second transmission shaft arranged on the first transmission shaft, and the first transmission shaft and the second transmission shaft are arranged in a meshed mode through a gear pair.
Adopt above-mentioned scheme: through the multistage setting of gear pair, realize multistage speed reduction, improve the transmission efficiency of new forms of energy railcar.
Compared with the prior art, the invention has the following technical effects:
by adopting the technical scheme, the power driving system and the power transmission system are arranged on the frame and the carriage of the new energy rail car, and the new energy rail car specifically comprises the motor and the power source unit of the driving unit, and a transfer case, a wheel set assembly, a gear transmission case and the like for power transmission. The driving unit is powered by the lithium power battery pack, so that the energy is saved, the environment is protected, the cruising ability is strong, and the pollution of the traditional fuel to the air can be reduced; the lithium battery has high energy density, high charging speed, low discharge rate, small volume, light weight and long service life under the same capacity. And the motor is adopted to drive the transfer case to move, and the transfer case drives the wheel pair to move, so that the structure is simple, the overall weight of the new energy rail car can be reduced, and the power transmission structure is optimized. The gear pair makes transmission efficiency higher, and relevant damping device has promoted passenger and has taken the travelling comfort with railcar operation stationarity.
Drawings
The following detailed description of embodiments of the invention refers to the accompanying drawings in which:
fig. 1 is a schematic structural diagram of a power integration system of a new energy railcar according to some embodiments disclosed herein;
FIG. 2 is a schematic illustration of a new energy railcar powertrain configuration in accordance with certain embodiments of the present disclosure;
FIG. 3 is a top view of a new energy railcar drivetrain configuration in accordance with some embodiments disclosed herein;
FIG. 4 is a schematic structural view of a gear box of some embodiments of the present disclosure;
FIG. 5 is a schematic structural view of a wheel-pair assembly and a gear box of some embodiments disclosed herein;
figure 6 is a schematic diagram of an axlebox suspension arrangement according to some embodiments disclosed herein.
In the figure: 1. a vehicle body; 11. a frame; 12. a carriage; 2. a power drive system; 21. a drive unit; 211. an electric motor; 212. a drive shaft; 22. a power source unit; 23. a battery pack management system; 3. a power transmission system; 31. a transfer case; 311. a power take-off shaft; 32. a wheel set assembly; 321. a first pair of wheels; 322. a second pair of wheels; 323. a rotating shaft; 33. a gear transmission case; 331. a gear housing; 332. a first drive shaft; 333. a second drive shaft; 334. a pair of gears; 4. an axle box suspension; 41. an axle box body; 42. an axle box spring; 43. a hydraulic shock absorber.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, in an embodiment of the present invention, a power integration system of a new energy rail car includes:
the vehicle body 1 of the new energy rail vehicle comprises a frame 11 and a carriage 12 arranged above the frame 11;
the power driving system 2 comprises a driving unit 21 arranged between the frame 11 and the carriage 12 for driving the rail car to move, a power source unit 22 arranged on the driving unit 21 for providing power, and a battery pack management system 23 arranged on the power source unit 22 for signal control management;
the power transmission system 3 comprises a transfer case 31 connected with the power output end of the driving unit 21, a wheel set assembly 32 arranged at a plurality of power output ends of the transfer case 31, and a gear transmission case 33 arranged between the transfer case 31 and the wheel set assembly 32;
the driving unit 21 can output power to drive the transfer case 31 to respectively drive the wheel pair assemblies 32 to drive the vehicle body 1 to move.
Specifically, as shown in fig. 2 and 3, the wheel pair assembly 32 is provided with a gear transmission case 33, the gear transmission case 33 is rotatably connected with the power output end of the transfer case 31, and the transfer case 31 can drive the wheel pair assembly 32 to move through the gear transmission case 33 so as to move the new energy rail car.
The lithium power battery pack of the power source unit 22 provided on the frame 11 and the cabin 12 of the vehicle body 1 supplies power to the drive unit 21 and drives the power source unit 22, and the battery pack management system 23 can precisely control the power source unit 22, so that the drive unit 21 outputs power at high temperature and high efficiency in cooperation with the power transmission system 3. And the transfer case 31 drives the wheel pair to move, so that the structure is simple, the overall weight of the new energy rail car can be reduced, and the structure of the power transmission system 3 is optimized.
In a specific embodiment, the driving unit 21 includes a motor 211, and a driving shaft 212 disposed at a power output end of the motor 211. And the motor 211 adopts a permanent magnet synchronous traction motor. The motor 211 is located between the frame 11 and the carriage 12 and is disposed at one end of the middle of the new energy railcar biased to the operation room.
Adopt above-mentioned scheme: the permanent magnet synchronous traction motor is used as a power source of the motor 211, and power is output through the driving shaft 212, so that the structure is simple and efficient.
In a specific embodiment, the power source unit 22 is a lithium battery pack, and the battery pack management system 23 is connected to a signal terminal of the lithium battery pack.
In a specific embodiment, the wheel-pair assembly 32 includes a first wheel pair 321 and a second wheel pair 322 disposed on both sides of the frame 11 and uniformly distributed, and a rotating shaft 323 disposed on the first wheel pair 321 and the second wheel pair 322. The shaft 323 passes through the gear housing 33 and is rotatably coupled to the housing.
In a specific embodiment, the first wheel pair 321 and the second wheel pair 322 are each provided with a pedestal suspension device 4 for suspension damping.
In an exemplary embodiment, as shown in fig. 6, the pedestal suspension 4 includes a pedestal housing 41, at least two pedestal springs 42 disposed in the pedestal housing 41, and a hydraulic damper 43 disposed between the at least two pedestal springs 42.
Specifically, four axle box suspensions 4 are provided, and the four axle box suspensions 4 are connected to the rotating shaft 323 and are located at both ends of the outer sides of the first wheel pair 321 and the second wheel pair 322.
The upper end of the hydraulic shock absorber 43 is fixedly connected with the lower end of the frame 11, the axle box spring 42 is divided into an upper axle box spring 42 and a lower axle box spring 42, the upper end of the upper axle box spring 42 is fixedly connected with the lower end of the frame 11, the lower end of the upper axle box spring 42 is provided with a lower pull rod, one end of the lower pull rod is connected with the lower part of the axle box body 41, the other end of the lower pull rod is connected with a lower pull rod supporting seat, and the upper end of the lower pull rod supporting seat is fixedly connected with the lower end of the frame 11; the lower end of the lower axle box spring 42 is fixedly connected with the other side of the lower part of the axle box body 41 relative to the lower pull rod, the upper end of the lower axle box spring 42 is provided with an upper pull rod, one end of the upper pull rod is connected with the upper part of the axle box body 41, the other end of the upper pull rod is connected with an upper pull rod supporting seat, and the upper end of the upper pull rod supporting seat is fixedly connected with the lower end of the frame 11.
In a specific embodiment, as shown in fig. 1, 4 and 5, the gear box 33 includes a gear box 331, a first transmission shaft 332 disposed on the gear box 331, and a second transmission shaft 333 disposed on the first transmission shaft 332, and the first transmission shaft 332 and the second transmission shaft 333 are disposed to mesh with each other through a gear pair 334, so that the first transmission shaft 332 and the second transmission shaft 333 are rotatably engaged. The power output end of the transfer case 31 is provided with a power output shaft 311, and the other end of the power output shaft 311 is connected to a first transmission shaft 332.
The gears provided on the first transmission shaft 332 and the second transmission shaft 333 form a gear pair 334, and mesh with each other. The transfer case 31 thus drives the power take-off shaft 311, which in turn drives the first drive shaft 332, through the meshing of the gear pair 334 to drive the second drive shaft 333, and ultimately the wheel set assembly 32, to rotate, thereby moving the railcar.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents, which should be construed as being within the scope of the invention.

Claims (8)

1. The utility model provides a power integrated system of new forms of energy railcar which characterized in that includes:
the vehicle comprises a vehicle body (1) and a vehicle body (12), wherein the vehicle body comprises a vehicle frame (11) and a compartment (12) arranged on the vehicle frame;
a power drive system (2) including a drive unit (21) provided between the frame and the vehicle compartment, a power source unit (22) provided to the drive unit, and a battery pack management system (23) provided to the power source unit;
the power transmission system (3) comprises a transfer case (31) connected with the power output ends of the driving units, a wheel set assembly (32) arranged at a plurality of power output ends of the transfer case, and a gear transmission case (33) arranged between the transfer case and the wheel set assembly;
the driving unit can output power to drive the transfer case to respectively drive the wheel pair assemblies to drive the vehicle body to move.
2. The power integration system of the new energy rail car as claimed in claim 1, wherein the driving unit comprises a motor (211) and a driving shaft (212) arranged at a power output end of the motor.
3. The power integration system of the new energy rail car as claimed in claim 2, wherein the electric motor is a permanent magnet synchronous traction motor.
4. The power integration system of the new energy rail car as claimed in claim 1, wherein the power source unit is a lithium battery pack, and the battery pack management system is connected to a signal terminal of the lithium battery pack.
5. The power integration system of the new energy rail car according to claim 1, wherein the wheel pair assembly comprises a first wheel pair (321) and a second wheel pair (322) which are uniformly distributed on two sides of the frame, and rotating shafts (323) arranged on the first wheel pair and the second wheel pair.
6. The power integration system of the new energy rail car according to claim 2, characterized in that the first wheel pair and the second wheel pair are provided with axle box suspension devices (4) for suspension shock absorption.
7. The power integration system of the new energy rail car according to claim 3, wherein the pedestal suspension device comprises a pedestal box body (41), at least two pedestal springs (42) disposed on the pedestal box body, and a hydraulic damper (43) disposed between the at least two pedestal springs.
8. The power integration system of the new energy rail car according to claim 1, wherein the gear box comprises a gear box body (331), a first transmission shaft (332) arranged on the gear box body, and a second transmission shaft (333) arranged on the first transmission shaft, and the first transmission shaft and the second transmission shaft are meshed with each other through a gear pair (334).
CN202110845882.1A 2021-07-26 2021-07-26 Power integration system of new forms of energy railcar Pending CN113415294A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110845882.1A CN113415294A (en) 2021-07-26 2021-07-26 Power integration system of new forms of energy railcar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110845882.1A CN113415294A (en) 2021-07-26 2021-07-26 Power integration system of new forms of energy railcar

Publications (1)

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CN113415294A true CN113415294A (en) 2021-09-21

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CN202110845882.1A Pending CN113415294A (en) 2021-07-26 2021-07-26 Power integration system of new forms of energy railcar

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202806759U (en) * 2012-09-13 2013-03-20 宝鸡南车时代工程机械有限公司 Comprehensive operation vehicle of railway contact system
CN205890878U (en) * 2016-07-19 2017-01-18 宝鸡中车时代工程机械有限公司 A dual -purpose type hydraulic transmission rail says car for railway
CN106945678A (en) * 2017-04-05 2017-07-14 西南交通大学 A kind of effectively power drive system of electro-hydraulic railcar
CN108583591A (en) * 2018-05-23 2018-09-28 株洲旭阳机电科技开发有限公司 Power transmission method for arranging and power transmission structure and without fuel green power locomotive
CN111502905A (en) * 2020-05-09 2020-08-07 中国铁建高新装备股份有限公司 Layout method suitable for hydraulic generator set of subway operation engineering vehicle and related equipment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202806759U (en) * 2012-09-13 2013-03-20 宝鸡南车时代工程机械有限公司 Comprehensive operation vehicle of railway contact system
CN205890878U (en) * 2016-07-19 2017-01-18 宝鸡中车时代工程机械有限公司 A dual -purpose type hydraulic transmission rail says car for railway
CN106945678A (en) * 2017-04-05 2017-07-14 西南交通大学 A kind of effectively power drive system of electro-hydraulic railcar
CN108583591A (en) * 2018-05-23 2018-09-28 株洲旭阳机电科技开发有限公司 Power transmission method for arranging and power transmission structure and without fuel green power locomotive
CN111502905A (en) * 2020-05-09 2020-08-07 中国铁建高新装备股份有限公司 Layout method suitable for hydraulic generator set of subway operation engineering vehicle and related equipment

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Application publication date: 20210921