CN221477089U - Two-shaft pure electric rail car - Google Patents
Two-shaft pure electric rail car Download PDFInfo
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- CN221477089U CN221477089U CN202323173599.2U CN202323173599U CN221477089U CN 221477089 U CN221477089 U CN 221477089U CN 202323173599 U CN202323173599 U CN 202323173599U CN 221477089 U CN221477089 U CN 221477089U
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Abstract
The utility model provides a two-axle pure electric rail car, which comprises: a frame; the bicycle shed is arranged at the top of the bicycle frame, and the two ends of the bicycle frame are fixedly provided with the hook buffer devices; the walking assembly is arranged at the bottom of the frame; the power storage battery system is arranged at the bottom of the frame, and a storage battery box is arranged at the bottom of the frame. According to the two-shaft pure electric rail vehicle, pure electric matching is performed through an integrated lithium battery technology, a permanent magnet synchronous motor technology and a motor controller technology, so that the running control of a pure storage battery of the whole vehicle is realized, zero emission and zero pollution are achieved, the problems of complicated maintenance and repair of an internal combustion hydraulic locomotive, high running and maintenance cost of the vehicle, high noise and serious pollution are solved, the use space in the vehicle is increased, and the movement of personnel is facilitated.
Description
Technical Field
The utility model relates to the technical field of rail transit, in particular to a two-shaft pure electric rail car.
Background
At present, the domestic track infrastructure is being comprehensively constructed, and is used for track laying, traction, shunting and track line maintenance operation of track traffic in tunnel and mine operation, the market demand of the track car is also continuously increasing, and the track car is deeply attractive along with continuous progress development of technology and environmental protection concepts.
However, the traditional diesel rail car has the defects of large noise pollution, high oil consumption and maintenance cost, increasingly outstanding defects of pollution of exhaust gas discharged by an engine in a tunnel and the like, the existing diesel locomotive cannot meet the requirements of low carbon and environmental protection, in addition, the diesel engine has the defects of large fuel consumption and difficult maintenance, the equipment arrangement in a carriage is compact, and the activity space of drivers and passengers is smaller.
Therefore, it is necessary to provide a two-axle pure electric railcar to solve the above technical problems.
Disclosure of utility model
The utility model provides a two-shaft pure electric rail car, which solves the problems of large noise pollution, high oil consumption and high maintenance cost of the car.
In order to solve the technical problems, the utility model provides a two-axle pure electric rail car, which comprises:
A frame;
The bicycle shed is arranged at the top of the bicycle frame, and the two ends of the bicycle frame are fixedly provided with the hook buffer devices;
The walking assembly is arranged at the bottom of the frame;
The power storage battery system is arranged at the bottom of the frame, and a storage battery box is arranged at the bottom of the frame;
The in-vehicle facility is arranged at the top of the frame;
the braking system is arranged at the bottom of the frame;
The electric traction system is arranged at the bottom of the frame;
The electric system is arranged at the top of the shed;
the control system is arranged at the top of the frame;
The vehicle-mounted charger is arranged at the top of the frame.
Preferably, the running assembly comprises a first axle housing, a second axle housing, a sanding device, a second universal drive shaft, a second axle housing, a first universal drive shaft.
Preferably, the power storage battery system consists of a power storage battery, a battery management system, a thermal management system and a fire extinguishing system, and is integrally installed in the power storage battery box.
Preferably, the in-car facilities comprise a horizontal cabinet and a water dispenser.
Preferably, the braking system comprises a brake cabinet, a unit brake and an electric air compressor.
Preferably, the electric traction system includes an auxiliary power supply cabinet, a motor controller cabinet, a first cooling system, a second traction motor, and a first traction motor.
Preferably, the control system comprises two driver's stations.
Preferably, one end fixed mounting who hooks slow the device has the extension rod, and the lateral surface cover of extension rod is equipped with the dead lever, and the spout has all been seted up to the both sides of the medial surface of dead lever, and the medial surface sliding connection of spout has the limiting plate, and limiting plate fixed mounting is in the top and the bottom of extension rod respectively, and the one end fixed mounting of the medial surface of dead lever has buffer spring, and buffer spring's one end sets up in the medial surface one end of extension rod, and dead lever fixed mounting is in the terminal surface of frame.
Compared with the related art, the two-shaft pure electric rail car provided by the utility model has the following beneficial effects:
The utility model provides a two-shaft pure electric rail vehicle, which performs pure electric matching through an integrated lithium battery technology, a permanent magnet synchronous motor technology and a motor controller technology, realizes the operation control of a pure storage battery of the whole vehicle, achieves zero emission and zero pollution, realizes zero emission and zero pollution, solves the problems of complicated maintenance of an internal combustion hydraulic locomotive, high operation and maintenance cost of the vehicle, high noise and serious pollution, increases the use space in the vehicle, and is convenient for personnel to move.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of a two-axle electric railcar according to the present utility model;
FIG. 2 is a schematic view of the internal structure shown in FIG. 1;
FIG. 3 is a bottom schematic view of FIG. 1;
FIG. 4 is a schematic diagram of the main circuit shown in FIG. 1;
Fig. 5 is a schematic structural diagram of a second embodiment of a two-axle electric railcar according to the present utility model.
Reference numerals in the drawings: 1. the device comprises a hook buffer device, 2, a frame, 3, a shed, 4, a running system, 5, a power storage battery system, 6, in-car facilities, 7, a braking system, 8, an electric system, 9, an electric traction system, 10, a driver control system, 11, a vehicle-mounted charger, 12, a braking cabinet, 13, a lying cabinet, 14, a driver's desk, 15, a water dispenser, 16, an auxiliary power supply cabinet, 17, a motor controller cabinet, 18, a first cooling system, 19, a first axle box, 20, a unit brake, 21, a power storage battery box, 22, a second axle box, 23, a sanding device, 24, a second cooling system, 25, a second traction motor, 26, a second universal transmission shaft, 27, a second axle gear box, 28, a first axle gear box, 29, a first universal transmission shaft, 30, a first traction motor, 31, an electric air compressor, 40, a fixed rod, 41, a sliding chute, 42, a limiting plate, 43, an extension rod, 44 and a buffer spring.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
First embodiment
Referring to fig. 1, fig. 2, fig. 3, and fig. 4 in combination, fig. 1 is a schematic structural diagram of a first embodiment of a two-axle pure electric rail vehicle according to the present utility model; FIG. 2 is a schematic view of the internal structure shown in FIG. 1; FIG. 3 is a bottom schematic view of FIG. 1; fig. 4 is a schematic diagram of the main circuit shown in fig. 1. A two-axle electric railcar comprising: a frame 2;
The bicycle shed 3 is arranged at the top of the bicycle frame 2, and the two ends of the bicycle frame 2 are fixedly provided with the hook buffer devices 1;
the walking assembly 4 is arranged at the bottom of the frame 2;
The power storage battery system 5 is arranged at the bottom of the frame 2, and a storage battery box 21 is arranged at the bottom of the frame 2;
the in-vehicle facility 6, the in-vehicle facility 6 is arranged at the top of the frame 2;
The braking system 7 is arranged at the bottom of the frame 2;
the electric traction system 9 is arranged at the bottom of the frame 2;
the electric system 8 is arranged on the top of the shed 3;
the control system 10 is arranged at the top of the frame 2;
the vehicle-mounted charger 11, the vehicle-mounted charger 11 is arranged at the top of the frame 2.
The running assembly 4 comprises a first axle housing 19, a second axle housing 22, a sanding device 23, a second cardan shaft 26, a second axle housing 27, a first axle housing 28, a first cardan shaft 29.
The power storage battery system 5 is composed of a power storage battery, a battery management system, a thermal management system and a fire extinguishing system, and is integrally installed inside the power storage battery box 21.
The in-car facility 6 includes a lying cabinet 13 and a water dispenser 15.
The brake system 7 includes a brake cabinet 12, a unit brake 20, and an electric air compressor 31.
The electric traction system 9 includes an auxiliary power supply cabinet 16, a motor controller cabinet 17, a first cooling system 18, a second cooling system 24, a second traction motor 25, and a first traction motor 30.
The control system 10 includes two driver stations 14.
The two ends of the frame 2 are provided with a hook buffer device 1, the upper part of the frame 2 is provided with a shed 3, and the lower part of the frame 2 is provided with a running system 4 and a power storage battery system 5. The upper part and the lower part of the frame 2 are provided with an electric traction system 9. The shed 2 is an inner corridor and cab structures at two ends. The running system 4 consists of an axle box, a wheel pair, an axle gear box and two universal transmission shafts. The braking system 7 is composed of an air brake, an electric air compressor 31, an air purifying unit and a brake cabinet 12. The power storage battery system 5 is composed of a power storage battery, a Battery Management System (BMS), a thermal management system and a fire extinguishing system, and the high-efficiency, safe and reliable operation of the battery pack is ensured. The power storage battery system 5 is arranged in an integrated manner, the whole system is arranged in the power storage battery box 21 under the vehicle, the installation and the daily maintenance are convenient, the battery thermal management system has the functions of cooling and heating the battery, the intelligent regulation and control working mode is realized according to temperature detection feedback, the battery is ensured to work in a proper temperature range, the Battery Management System (BMS) has the functions of detecting the voltage of the battery monomer, detecting the temperature of the battery, detecting the working current of the battery pack, estimating the SOC of the battery pack, analyzing the battery fault and evaluating the consistency of the batteries in each box, insulating and detecting and alarming the battery in each box, monitoring and communicating with vehicle-mounted equipment, a charger and a background, and the fire extinguishing system has the functions of automatic fire extinguishing and manual fire extinguishing. The electric traction system 9 consists of 2 motor controllers, 2 traction motors, 2 sets of motors, an electric control cooling system, 1 auxiliary power cabinet and 1 set of traction control system, wherein the two motor controllers respectively drive the two traction motors, the two motors are independently driven, the motor controllers adopt full-plug connectors to realize quick electric connection, the installation and the maintenance are convenient, the traction motors adopt full-closed water-cooling permanent magnet synchronous motors, 96% of energy efficiency is achieved, the transmission efficiency is high, the feedback braking function is achieved, the auxiliary power cabinet integrates a DC-AC module, an isolation transformer and a DC-DC module, and the power supply is supplied for the AC/DC load of the whole vehicle. The electric system 8 consists of a driver's desk 14, a DC24V storage battery, a lighting system, an air conditioner and an electric heater;
The emergency traction device adopts a plurality of safety redundancy designs, and has an emergency traction function under various fault conditions so as to ensure driving safety; the network control system and the hard wire are adopted to connect, namely, when the network control system fails, the emergency running mode can be switched, and the signals of the driver and the controller and the like are transmitted to the motor controller through the hard wire, so that the traction in the emergency mode is realized, and the vehicle is evacuated from the scene; the two motor controllers are adopted to respectively drive the two traction motors, the emergency traction function of the single motor fault condition and the emergency traction function of the single motor controller fault condition are provided, and the emergency traction of the vehicle is carried out on the spot by isolating the fault traction motor or the motor controller; 2 branches are connected in parallel to form a PACK battery system by adopting a double-branch power storage battery system, and single-branch power reduction operation under a fault working condition is supported, so that vehicles are led to be pulled out of a scene in an emergency way; the battery system integrates a battery management system (BMS system), a thermal management system and an automatic fire extinguishing system, monitors the voltage, the current, the temperature and the like of the battery in real time, intelligently controls the heating and the cooling of the battery, can automatically extinguish the fire and manually extinguish the fire, and ensures the high-efficiency, safe and reliable operation of the battery pack; the whole vehicle is provided with cabs at two ends, the space in the vehicle is large, the view field is good, the necessary lying cabinets are arranged in the vehicle, and the arrangement in the whole vehicle is convenient for personnel and material transportation; the whole vehicle can be provided with a vehicle-mounted charger and a ground charging pile, so that the charging is convenient and quick; the axle gear box adopts 2-stage transmission, and the speed ratio range is 3.385-8, and the speed ratio range required by the gear box can be realized by changing the input of a pair of gears so as to meet the requirements of different traction working conditions.
The working principle of the two-shaft pure electric rail car provided by the utility model is as follows:
The whole vehicle takes a lithium battery as a power source, high-voltage direct current output by a storage battery is distributed to a motor controller through a high-voltage box and an auxiliary power cabinet, is inverted into three-phase alternating current with adjustable voltage and frequency through the motor controller, is supplied to an alternating current traction motor, and drives a wheel pair to rotate through a transmission shaft and a gear box. Traction motor is subjected to traction and braking control, fault diagnosis, fault isolation, fault protection and the like through a motor controller, and electric braking (feedback braking): by utilizing the reversible principle of the permanent magnet synchronous traction motor, when a train runs on a downhill road or needs to be decelerated, the kinetic energy during braking deceleration is converted into electric energy which is stored in an electric battery, so that the electric energy is recycled, and the power storage battery is charged: the charging gun of the ground direct current charging pile is inserted into a vehicle charging socket, and the power storage battery is charged through the high-voltage box to assist in electricity utilization: the power storage battery outputs high-voltage direct current through the high-voltage box, and the high-voltage direct current is converted into DC/24V/AC380V/AC220V through the auxiliary power supply cabinet to supply power for the vehicle alternating current-direct current equipment.
Compared with the related art, the two-shaft pure electric rail car provided by the utility model has the following beneficial effects:
Through integrated lithium cell technique, PMSM technique, motor controller technique, carry out pure electric match, realize the pure battery operation control of whole car, reach zero release, zero pollution, realize zero release, zero pollution, solve diesel hydraulic locomotive and overhaul and maintain loaded down with trivial details, the vehicle fortune maintenance is with high costs, the noise is big, pollution serious problem, has increased the usage space in the car, makes things convenient for personnel to remove.
Second embodiment
Referring to fig. 5 in combination, a two-axle electric-only railcar according to a first embodiment of the present application is provided. The second embodiment is merely a preferred manner of the first embodiment, and implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the second embodiment of the present application provides a two-axle pure electric railcar, which is characterized in that an extension rod 43 is fixedly installed at one end of a hook buffer device 1, a fixing rod 40 is sleeved on the outer side surface of the extension rod 43, sliding grooves 41 are formed on two sides of the inner side surface of the fixing rod 40, a limiting plate 42 is slidably connected to the inner side surface of the sliding groove 41, the limiting plate 42 is fixedly installed at the top and the bottom of the extension rod 43 respectively, a buffer spring 44 is fixedly installed at one end of the inner side surface of the fixing rod 40, one end of the buffer spring 44 is arranged at one end of the inner side surface of the extension rod 43, and the fixing rod 40 is fixedly installed at the end surface of a frame 2.
The working principle of the two-shaft pure electric rail car provided by the utility model is as follows:
When the vehicle frame 2 is connected with other vehicle bodies during use, when the hook buffer devices 1 on the two vehicle frames 2 are contacted, the extension rod 43 moves towards the inner side surface of the fixed rod 40, so that the extension rod 43 presses the buffer spring 44, and the buffer effect is achieved.
Compared with the related art, the two-shaft pure electric rail car provided by the utility model has the following beneficial effects:
Through the cooperation of structures such as dead lever 40, spout 41, limiting plate 42, extension rod 43 and buffer spring 44, when using, the hook buffering device on two frames 2 is connected, can make extension rod 43 slide to the medial surface of dead lever 40, plays and extrudees buffer spring 44, can play the effect of buffering in this way, avoids two frames 2 to connect, produces great impact force.
The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the utility model.
Claims (8)
1. A two-axle electric railcar comprising:
A frame;
The bicycle shed is arranged at the top of the bicycle frame, and the two ends of the bicycle frame are fixedly provided with the hook buffer devices;
The walking assembly is arranged at the bottom of the frame;
The power storage battery system is arranged at the bottom of the frame, and a storage battery box is arranged at the bottom of the frame;
The in-vehicle facility is arranged at the top of the frame;
the braking system is arranged at the bottom of the frame;
The electric traction system is arranged at the bottom of the frame;
The electric system is arranged at the top of the shed;
the control system is arranged at the top of the frame;
The vehicle-mounted charger is arranged at the top of the frame.
2. The two-axle electric powered railcar of claim 1 wherein the travel assembly includes a first axle housing, a second axle housing, a sanding device, a second universal drive shaft, a second axle gearbox, a first universal drive shaft.
3. The two-axle electric railcar according to claim 1 wherein the power battery system is comprised of a power battery, a battery management system, a thermal management system, a fire suppression system, and is integrally mounted within the power battery box.
4. The two-axis electric-only railcar of claim 1, wherein the in-car facilities include a bed and a water dispenser.
5. The two-axle electric railcar of claim 1 wherein the braking system includes a brake tank, a unit brake, and an electric air compressor.
6. The two-axle electric railcar of claim 1 wherein the electric traction system includes an auxiliary power supply cabinet, a motor controller cabinet, a first cooling system, a second traction motor, and a first traction motor.
7. A two-axle electric railcar according to claim 1 wherein the ride control system includes two driver stations.
8. The two-shaft pure electric rail car according to claim 1, wherein one end of the hook buffer device is fixedly provided with an extension rod, the outer side face of the extension rod is sleeved with a fixed rod, sliding grooves are formed in two sides of the inner side face of the fixed rod, the inner side faces of the sliding grooves are slidably connected with limiting plates, the limiting plates are fixedly arranged at the top and the bottom of the extension rod respectively, one end of the inner side face of the fixed rod is fixedly provided with a buffer spring, one end of the buffer spring is arranged at one end of the inner side face of the extension rod, and the fixed rod is fixedly arranged on the end face of the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323173599.2U CN221477089U (en) | 2023-11-23 | 2023-11-23 | Two-shaft pure electric rail car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323173599.2U CN221477089U (en) | 2023-11-23 | 2023-11-23 | Two-shaft pure electric rail car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221477089U true CN221477089U (en) | 2024-08-06 |
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ID=92366093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323173599.2U Active CN221477089U (en) | 2023-11-23 | 2023-11-23 | Two-shaft pure electric rail car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221477089U (en) |
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2023
- 2023-11-23 CN CN202323173599.2U patent/CN221477089U/en active Active
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