CN218316687U - Hydrogen energy power railway maintenance equipment - Google Patents
Hydrogen energy power railway maintenance equipment Download PDFInfo
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- CN218316687U CN218316687U CN202222166477.XU CN202222166477U CN218316687U CN 218316687 U CN218316687 U CN 218316687U CN 202222166477 U CN202222166477 U CN 202222166477U CN 218316687 U CN218316687 U CN 218316687U
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Abstract
The embodiment of the application provides a hydrogen energy power railway maintenance of equipment relates to rail vehicle technical field, hydrogen energy power railway maintenance of equipment includes: the hydrogen energy power vehicle is provided with a hydrogen energy power system; the at least one working vehicle is connected with the hydrogen energy power vehicle, and a railway maintenance working device is arranged on the working vehicle; the hydrogen energy power vehicle or the operation vehicle is also provided with a converter system, a traction motor and a transmission system; the hydrogen energy power system provides power for the converter system, the converter system inverts direct current output by the hydrogen energy power system into three-phase alternating current to drive the traction motor, and the traction motor drives the whole vehicle to walk and operate through the transmission system. The embodiment of the application adopts hydrogen fuel power, eliminates the pollution of waste gas and noise generated by using internal combustion power to the environment, and greatly reduces the influence on the health of operators.
Description
Technical Field
The application relates to the technical field of rail vehicles, in particular to hydrogen energy power railway maintenance equipment.
Background
At present, large-scale railway maintenance equipment generally takes an internal combustion engine as power, and in the application process, the internal combustion engine discharges a large amount of toxic gas and dust, has high operation noise, seriously pollutes the environment and harms the health of operators; the situation is particularly serious in the tunnel, and meanwhile, the waste gas and heat exhausted by the engine cannot be exhausted from the tunnel and are sucked by the engine, so that the engine is easily overheated to stop, and the working efficiency is reduced. In addition, the engine needs to consume a large amount of fossil energy, and the energy is increasingly exhausted, the price is increased year by year, and the application cost is continuously increased.
With the advocation and popularization of the concept of 'green driving', the hybrid power driving mode of 'internal combustion engine driving + electric driving' or the pure electric driving mode is gradually adopted by the newly developed railway large-scale maintenance equipment at present. The hydrogen fuel cell generates electricity by utilizing the electrochemical reaction of hydrogen and air to generate current, the product only contains pure water, and no other tail gas is discharged, so that zero emission in real sense is realized, and the hydrogen fuel cell is a power technology which has the most future vitality and is concerned, researched and operated at home and abroad for many years. However, the application examples of the hydrogen energy power equipment in railway equipment vehicles are few, particularly in the aspect of large-scale maintenance equipment of railways, wherein the high-power hydrogen energy power machine type has no related report at home and abroad, and the field still belongs to a brand new field.
Disclosure of Invention
In order to solve one of the technical defects, the embodiment of the application provides hydrogen energy power railway maintenance equipment.
According to the embodiment of the application, a hydrogen energy power railway maintenance equipment is provided, including:
the hydrogen energy power vehicle is provided with a hydrogen energy power system;
the at least one operation vehicle is connected with the hydrogen energy power vehicle, and a railway maintenance working device is arranged on the operation vehicle;
the hydrogen energy power vehicle or the operation vehicle is also provided with a converter system, a traction motor and a transmission system;
the hydrogen energy power system provides power for the converter system, the converter system inverts direct current output by the hydrogen energy power system into three-phase alternating current to drive the traction motor, and the traction motor drives the whole vehicle to walk and operate through the transmission system.
According to the hydrogen-energy railway maintenance equipment, the whole vehicle driving mode adopts a hydrostatic driving mode, the transmission system comprises the transfer case, the hydraulic pump positioned on the transfer case and the hydraulic motor connected with the hydraulic pump, the hydrostatic driving mode is that the transfer case is driven by the traction motor so as to drive the hydraulic pump on the transfer case, and the hydraulic pump drives the hydraulic motor through hydrostatic transmission so as to realize the whole vehicle traveling and operation actions;
or, the whole car drive mode adopts the electric drive mode, traction motor is two, transmission system includes the hydraulic pump, the electric drive mode is for utilizing one of them traction motor direct drive whole car self-running and operation to walk, utilizes another traction motor drive simultaneously the hydraulic pump provides power for operating mechanism's hydro-cylinder.
According to the hydrogen energy power railway maintenance equipment, the converter system inverts direct current output by the hydrogen energy power system into three-phase alternating current through on-off control of an IGBT power device in the converter so as to drive the traction motor.
According to the hydrogen energy power railway maintenance equipment, the hydrogen energy power vehicle is connected with the operation vehicle through the vehicle coupler, or the knuckle bearing hinge connection is carried out through the traction rod.
The hydrogen-powered railway maintenance equipment adopts two-axis bogies for the hydrogen-powered vehicle and the working vehicle respectively, wherein the power bogies are arranged on the hydrogen-powered vehicle or the working vehicle or the power bogies are arranged on the hydrogen-powered vehicle and the working vehicle; the power bogie is driven by hydrostatic pressure or electric drive.
According to the hydrogen energy power railway maintenance equipment, the hydrogen energy power system comprises the hydrogen storage system, the hydrogen fuel cell system, the capacitance energy storage system and the heat dissipation system.
The hydrogen-powered railway maintenance equipment comprises the hydrogen-powered vehicle, wherein the hydrogen-powered vehicle further comprises a cab, a vehicle body framework and a braking system; the working vehicle also comprises a cab, a vehicle body framework, a braking system and an electric control system; the converter system, the traction motor and the transmission system are positioned on the working vehicle.
The above-mentioned hydrogen energy power railway maintenance equipment, hydrogen energy power railway maintenance equipment is the hydrogen energy tamping wagon, the operation car is the tamping operation car, railway maintenance equipment on the tamping operation car includes tamping unit, plays and dials the way device and/or measurement system, wherein:
the steering frame on the tamping operation vehicle comprises a front steering frame and a rear steering frame, and the tamping device and the track lifting and shifting device are arranged between the front steering frame and the rear steering frame;
the measuring system is arranged at two ends of the tamping vehicle and between the front bogie and the rear bogie.
According to the hydrogen-powered railway maintenance equipment, the vibration drive of the tamping device is driven by a variable flow system to directly drive a variable frequency motor, or is driven by a hydraulic pump on a transfer case to drive a hydraulic motor; the lifting, descending and clamping actions of the tamping device are realized by the action of a hydraulic pump on the transfer case driving a hydraulic oil cylinder.
According to the hydrogen energy power railway maintenance equipment, the lifting, descending and clamping actions of the track lifting and lining device are realized by the action of a hydraulic cylinder driven by a hydraulic pump on the transfer case;
and/or the measuring system is composed of 3 or more measuring trolleys.
The hydrogen energy power railway maintenance equipment provided by the embodiment of the application completely adopts hydrogen fuel power, completely realizes zero emission, zero pollution and low noise, eliminates the pollution of waste gas and noise generated by internal combustion power to the environment, and greatly reduces the influence on the health of operators; the advantages are more obvious in the long tunnel, no waste gas and heat discharged by an engine exist, and the operation efficiency is not reduced due to overheat shutdown of the engine; the damage to the respiratory system and the auditory system of the constructor caused by the exhaust gas accumulation and the noise reflection of the internal combustion engine can be avoided. The layout mode of the hydrogen energy power vehicle and the operation vehicle is adopted, so that the hydrogen energy power driving mode can be conveniently expanded and applied to railway maintenance equipment with various functions.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic side view of a hydrogen-powered railway maintenance device according to an embodiment of the present disclosure;
FIG. 2 is a schematic top sectional view of a hydrogen-powered railway maintenance device according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram illustrating control of a hydrogen energy power system in the hydrogen energy power railway maintenance equipment according to the embodiment of the present disclosure;
FIG. 4 is a schematic structural diagram of a hydrogen-powered vehicle in the hydrogen-powered railway maintenance equipment provided in the embodiment of the present application;
fig. 5 is a schematic structural diagram of an operation vehicle in the hydrogen-powered railway maintenance equipment provided in the embodiment of the present application.
Reference numerals:
the system comprises a hydrogen energy power vehicle 1, a tamping operation vehicle 2, a current transformation system 3, a traction motor 4, a transmission shaft 5, a transfer case 6, a front steering frame 7, a rear steering frame 8, a driver cab 9, a rear driver cab 10, a lane lifting device 11, a measuring system 12, a tamping device 13, a vehicle body framework 14, a hydrogen storage system 15, a hydrogen fuel cell system 16, a capacitor energy storage system 17, a heat dissipation system 18, a vehicle body framework 19, a front steering frame 20, a rear steering frame 21 and a driver cab 22.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The embodiment of the application provides a hydrogen energy power railway maintenance equipment, as shown in fig. 1 to 5, includes:
the hydrogen energy power vehicle 1 is provided with a hydrogen energy power system on the hydrogen energy power vehicle 1;
at least one working vehicle 2 connected with the hydrogen energy power vehicle 1, wherein the working vehicle 2 is provided with a railway maintenance working device;
the hydrogen energy power vehicle 1 or the working vehicle 2 is also provided with a converter system 3, a traction motor 4 and a transmission system;
the hydrogen energy power system provides power for the converter system 3, the converter system 3 inverts direct current output by the hydrogen energy power system into three-phase alternating current to drive the traction motor 4, and the traction motor 4 drives the whole vehicle to walk and operate through the transmission system. In specific implementation, the converter system 3 may invert the direct current (e.g., DC 750V) output by the hydrogen energy power system into a three-phase alternating current (e.g., 380 VAC) through on-off control of an IGBT (Insulated Gate Bipolar Transistor) power device in the converter to drive the traction motor 4. The whole vehicle power source is completely from hydrogen energy.
The embodiment of the application initiatively introduces hydrogen energy power into the field of large-scale maintenance equipment of railways, provides the hydrogen energy power railway maintenance equipment, completely adopts hydrogen fuel power, completely realizes zero emission, zero pollution and low noise, eliminates the pollution of waste gas and noise generated by internal combustion power to the environment, and greatly reduces the influence on the health of operators; the advantages are more obvious in the long tunnel, no waste gas and heat discharged by an engine exist, and the operation efficiency is not reduced due to overheat shutdown of the engine; the damage to the respiratory system and the auditory system of the constructor caused by the exhaust gas accumulation and the noise reflection of the internal combustion engine can be avoided. The layout mode of the hydrogen energy power vehicle and the operation vehicle is adopted, so that the hydrogen energy power driving mode can be conveniently expanded and applied to railway maintenance equipment with various functions.
In the embodiment of the application, the whole vehicle driving mode can adopt a hydrostatic driving mode and an electric driving mode.
When the whole vehicle driving mode adopts a hydrostatic driving mode, the transmission system can comprise a transfer case 6, a hydraulic pump positioned on the transfer case 6 and a hydraulic motor connected with the hydraulic pump, the hydrostatic driving mode is that the transfer case 6 is driven by a traction motor 4 so as to drive the hydraulic pump on the transfer case 6, and the hydraulic pump drives the hydraulic motor through hydrostatic transmission so as to realize the whole vehicle traveling and operation actions.
When the whole vehicle is driven by an electric drive mode, the number of the traction motors 4 can be two, the transmission system can comprise hydraulic pumps, the electric drive mode is that one traction motor is used for directly driving the whole vehicle to run and operate, and the other traction motor is used for driving the hydraulic pumps to provide power for oil cylinders of a working mechanism (namely a railway maintenance working device).
The power transmission mode of the hydrogen energy power system, the variable flow system, the traction motor, the transfer case, the pump driving element and the actuating mechanism is also one of the innovations of the application.
The hydrogen energy power vehicle 1 and the operation vehicle 2 are connected to form a hydrogen energy power operation vehicle set which can run automatically and work and walk in two directions. The whole layout comprises a hydrogen energy power vehicle 1 and at least one (track maintenance) operating vehicle 2, wherein the operating vehicle 2 can also be expanded into 2 sections, 3 sections and more; the positions of the hydrogen-powered vehicle 1 and the work vehicle 2 may be changed as needed, the work vehicle 2 may be disposed behind the hydrogen-powered vehicle 1, or several work vehicles 2 and the hydrogen-powered vehicle 1 may be combined in any order as needed. The working vehicle 2 may be a railway maintenance rig of any function, or an integration of railway maintenance rigs of several functions.
The hydrogen energy power vehicle 1 and the working vehicle 2 can be connected through a coupler or articulated bearing connection through a traction rod. Preferably, two-axis bogies are respectively adopted by the hydrogen-powered vehicle 1 and the working vehicle 2, wherein the power bogie can be arranged on the hydrogen-powered vehicle 1 or the working vehicle 2, or both the hydrogen-powered vehicle 1 and the working vehicle 2 are provided with power bogies, and the power bogies are used for driving the whole vehicle to realize self-running; the power bogie may be driven hydrostatically or electrically.
The hydrogen-powered system may employ various conventional techniques in the art and may include, for example, a hydrogen storage system, a hydrogen fuel cell system, a capacitive energy storage system, and a heat dissipation system.
Preferably, the hydrogen-powered vehicle 1 may further include a driver cab, a vehicle body frame, a braking system, and the like, and the working vehicle 2 may further include a driver cab, a vehicle body frame, a braking system, an electrical control system, and the like; the converter system 3, the traction motor 4 and the transmission system are preferably located on the work vehicle 2.
The technical scheme of the embodiment of the application is described in detail below by taking hydrogen-powered railway maintenance equipment as a hydrogen-powered tamping vehicle as an example.
The hydrogen energy tamping vehicle consists of a hydrogen energy power vehicle 1 and an operation vehicle 2 (i.e. a tamping operation vehicle). Fig. 1-2 are overall structural diagrams of the hydrogen energy tamping vehicle. The whole vehicle is two vehicle bodies, the front vehicle is a tamping operation vehicle 2 according to the sequence of the operation direction from front to back, the functions of the tamping operation vehicle are to realize the track lifting, track shifting, leveling and tamping operation of a line, and the expanding functions of ballast shoulder tamping, ballast cleaning and the like can be added according to the needs; the rear vehicle is a hydrogen-powered vehicle 1, and the function of the rear vehicle is to convert compressed hydrogen into electric energy and provide driving force for the whole vehicle.
The two ends of the hydrogen energy tamping car are provided with a car coupler and a buffer device, and the hydrogen energy tamping car can be marshalled and linked with other rail trains. The hydrogen energy power vehicle 1 and the tamping operation vehicle 2 can be connected through a vehicle coupler or can be hinged through a knuckle bearing through a traction rod.
The total power of the hydrogen energy power system of the hydrogen energy vehicle 1 can be 360kW, and the hydrogen energy power system is composed of 4 hydrogen fuel cell systems with power of 90kW and can provide alternating current of 750V DC for a variable current system. The converter system comprises two independent inverter systems, wherein one inverter system inverts DC750V direct current into AC600V three-phase alternating current to drive a traction motor and drive a hydraulic pump so as to provide power for a hydraulic system of the whole vehicle; the other set inverts the DC750V direct current power supply into AC380V/50Hz three-phase alternating current, and provides energy for AC380V loads such as an air conditioner, a socket, a charger and the like on the vehicle through an alternating current distribution box. The control system is shown in fig. 3.
As shown in fig. 4, the hydrogen powered vehicle 1 mainly includes a hydrogen storage system 15, a hydrogen fuel cell system 16, a capacitive energy storage system 17, a heat dissipation system 18, a vehicle body frame 19, a front bogie 20, a rear bogie 21, and a driver's cab 22.
The hydrogen storage system 15 is composed of a plurality of groups of high-pressure hydrogen storage bottles. The high pressure hydrogen bottle stores and provides hydrogen, the pressure of the hydrogen inlet is adjusted by the pressure adjusting device (a stop valve, a pressure regulator and a pressure release valve), and the hydrogen enters the hydrogen fuel cell system 16 after the pressure is adjusted. After the reaction, the residual hydrogen is circulated back to the hydrogen inlet through the hydrogen circulating pump to continuously participate in the reaction. The number of the high-pressure hydrogen storage bottles is matched according to the power of the whole vehicle.
The hydrogen fuel cell system 16 converts chemical energy in fuel into electric energy through electrochemical reaction, the generated electric power is converted into 750V direct current through DC/DC to be output externally, meanwhile, part of energy also provides power for a BOP system and a heat dissipation system 18 of the fuel cell, and the energy can also be used for charging a capacitance energy storage system 17. The hydrogen fuel cell system 16 may include a coolant pump that pumps a coolant into the stack, which carries heat generated by the reaction out of the stack.
The capacitive energy storage system 17 is used as auxiliary power, and can quickly respond when the vehicle accelerates and climbs a slope, provide peak power and recover part of regenerative braking energy when braking. The capacitive energy storage system 17 may use a lithium battery or other storage batteries for energy storage.
The heat removal system 18 removes heat carried away by the coolant from the hydrogen fuel cell system 16 to the atmosphere by a circulating heat removal device.
The vehicle body frame 19 is a load-bearing member of the hydrogen powered vehicle 1, and is responsible for bearing all the working devices and functional systems.
The front bogie 20 and the rear bogie 21 are running parts of the hydrogen-powered vehicle 1, and are used as driving bogies or driven bogies according to the layout and driving requirements of the whole vehicle. When the front bogie 20 and the rear bogie 21 are used as driving bogies, a hydraulic pump driven by the transfer case 6 drives a hydraulic motor on the bogie to realize high-speed running and operation running.
The cab 22 is provided with a driving and working console, and a driver performs machine driving operation and partial working operation in the cab 22.
The hydrogen storage system 15, the hydrogen fuel cell system 16, the capacitor energy storage system 17 and the heat dissipation system 18 form a hydrogen power system, and high-pressure hydrogen is converted into electric energy to provide power for the operation and the working of the whole vehicle.
The output power of the hydrogen energy power system is matched according to the operation and working requirements of the hydrogen energy power railway maintenance machinery. Furthermore, the capacities of the components such as the hydrogen storage system 15, the hydrogen fuel cell system 16, the capacitive energy storage system 17 and the heat dissipation system 18 can be matched according to the output power.
The hydrogen energy power system of the hydrogen energy power vehicle 1 provides electric power for the converter system 3 of the working vehicle 2; the converter system 3 inverts the DC750V direct current output by the hydrogen energy power system into 380VAC three-phase alternating current through the on-off control of IGBT power devices in the converter so as to drive the traction motor 4.
The tamping work vehicle 2 mainly comprises a converter system 3, a traction motor 4, a transmission shaft 5, a transfer case 6, a front bogie 7, a rear bogie 8, a front cab 9, a rear cab 10, a lane lifting device 11, a measuring system 12, a tamping device 13, a vehicle body framework 14 and the like, as shown in fig. 5. The tamping device 13, the track lifting and lining device 11 and the measuring system 12 form a railway maintenance working device.
The converter system 3, the traction motor 4, the transfer case 6 and the like can be arranged at the position close to the front part of the tamping operation vehicle 2. If the vehicle is a type other than a tamping vehicle, it can be mounted at any position of the front, middle, and rear of the vehicle body frame 14 as required.
The traction motor 4 drives a hydraulic pump on the transfer case 6 through a transmission shaft 5, further drives a front bogie 7, a rear bogie 8 and working devices such as a track lifting and shifting device 11, a tamping device 13 and the like, and provides power for other auxiliary devices or systems.
The tamping device 13 and the track lifting and lining device 11 can be arranged between the front bogie 7 and the rear bogie 8.
The vibration drive of the tamping device 13 can be driven by a direct-drive variable-frequency motor of the converter system 3 or by a hydraulic pump-drive hydraulic motor on the transfer case 6.
The lifting/lowering action and the clamping action of the tamping device 13 can be realized by the action of a hydraulic pump on the transfer case 6 driving a hydraulic oil cylinder.
The lifting/lowering action, the clamping action and other auxiliary actions of the track lifting and shifting device 11 can be realized by the action of a hydraulic pump on the transfer case 6 driving a hydraulic oil cylinder.
The measuring system 12 may consist of 3 or more measuring trolleys, which are arranged at both ends of the tamping vehicle 2 and between the front bogie 7 and the rear bogie 8, respectively.
The vehicle body framework 14 is a bearing part of the tamping work vehicle 2 and is responsible for bearing all working devices and functional systems.
The front cab 9 is provided with a driving and working console, and a driver performs machine driving operation and partial working operation in the front cab 9.
The rear cab 9 is provided with a work console, and a driver performs main work operations in the rear cab 9.
It is conceivable that the converter system 3 may drive two transmission lines simultaneously, one of which directly drives each motor to drive an actuator that performs a rotational movement, such as an axle gear box, a vibrating shaft of a tamping device, an air compressor, etc.; the other drives the traction motor 4 to drive a hydraulic pump on the transfer case 6, thereby providing a power source for the actuator which does linear motion, i.e. the working device driven by the cylinder.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered limiting of the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; may be mechanically, electrically or otherwise in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. A hydrogen-powered railway maintenance device, comprising:
the hydrogen energy power vehicle is provided with a hydrogen energy power system;
the at least one operation vehicle is connected with the hydrogen energy power vehicle, and a railway maintenance working device is arranged on the operation vehicle;
the hydrogen energy power vehicle or the operation vehicle is also provided with a converter system, a traction motor and a transmission system;
the hydrogen energy power system provides power for the converter system, the converter system inverts direct current output by the hydrogen energy power system into three-phase alternating current to drive the traction motor, and the traction motor drives the whole vehicle to walk and operate through the transmission system.
2. The hydrogen-powered railway maintenance equipment as claimed in claim 1, wherein the overall driving mode is a hydrostatic driving mode, the transmission system comprises a transfer case, a hydraulic pump located on the transfer case and a hydraulic motor connected with the hydraulic pump, the hydrostatic driving mode is that the traction motor drives the transfer case to drive the hydraulic pump on the transfer case, and the hydraulic pump drives the hydraulic motor through hydrostatic transmission to realize overall running and operation actions;
or, the whole car drive mode adopts the electric drive mode, traction motor is two, transmission system includes the hydraulic pump, the electric drive mode is for utilizing one of them traction motor direct drive whole car self-running and operation to walk, utilizes another traction motor drive simultaneously the hydraulic pump provides power for operating mechanism's hydro-cylinder.
3. The hydrogen-powered railway maintenance equipment of claim 1, wherein the converter system inverts direct current output by the hydrogen-powered system into three-phase alternating current to drive the traction motor by on-off control of IGBT power devices in the converter.
4. The hydrogen-powered railway maintenance device of claim 1, wherein the hydrogen-powered vehicle is coupled to the work vehicle by a coupler or by a knuckle bearing articulation via a drawbar.
5. The hydrogen-powered railroad maintenance device of claim 1, wherein the hydrogen-powered vehicle and the work vehicle each employ two-axis bogies, wherein a power bogie is disposed on the hydrogen-powered vehicle, or on the work vehicle, or on both the hydrogen-powered vehicle and the work vehicle; the power bogie is driven by hydrostatic pressure or electric drive.
6. The hydrogen-powered railroad maintenance device of claim 1, wherein the hydrogen-powered system comprises a hydrogen storage system, a hydrogen fuel cell system, a capacitive energy storage system, and a heat dissipation system.
7. The hydrogen-powered railroad maintenance device of any one of claims 1 to 6, wherein the hydrogen-powered vehicle further comprises a cab, a body frame and a braking system; the working vehicle also comprises a cab, a vehicle body framework, a braking system and an electric control system; the converter system, the traction motor and the transmission system are positioned on the working vehicle.
8. The hydrogen-powered railway maintenance device of claim 7, wherein the hydrogen-powered railway maintenance device is a hydrogen-powered tamping vehicle, the work vehicle is a tamping work vehicle, and railway maintenance work devices on the tamping work vehicle include tamping devices, track lifting devices, and/or measurement systems, wherein:
the steering frame on the tamping operation vehicle comprises a front steering frame and a rear steering frame, and the tamping device and the track lifting and shifting device are arranged between the front steering frame and the rear steering frame;
the measuring system is arranged at two ends of the tamping vehicle and between the front bogie and the rear bogie.
9. The hydrogen-powered railway maintenance equipment of claim 8, wherein the vibratory drive of the tamping devices is driven by a variable flow system directly driving a variable frequency electric motor or by a hydraulic pump on a transfer case driving a hydraulic motor; the lifting, descending and clamping actions of the tamping device are realized by the action of a hydraulic cylinder driven by a hydraulic pump on the transfer case.
10. The hydrogen-powered railway maintenance equipment of claim 8, wherein the raising, lowering and clamping actions of the track lifting and shifting device are realized by the action of a hydraulic pump on the transfer case driving a hydraulic cylinder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222166477.XU CN218316687U (en) | 2022-08-17 | 2022-08-17 | Hydrogen energy power railway maintenance equipment |
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| CN202222166477.XU CN218316687U (en) | 2022-08-17 | 2022-08-17 | Hydrogen energy power railway maintenance equipment |
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