CN215154580U

CN215154580U - Railway maintenance operation vehicle for hydrogen energy power contact network

Info

Publication number: CN215154580U
Application number: CN202121693426.1U
Authority: CN
Inventors: 赵敏敏; 师海峰; 卢云波; 吴庆立; 李永哲; 张彩霞; 孟刚刚; 余孝坤; 施子婧; 张高峰; 李华伟; 朱红军
Original assignee: Baoji CRRC Times Engineering Machinery Co Ltd
Current assignee: Baoji CRRC Times Engineering Machinery Co Ltd
Priority date: 2021-07-25
Filing date: 2021-07-25
Publication date: 2021-12-14
Anticipated expiration: 2031-07-25

Abstract

The utility model provides a hydrogen energy power contact net overhauls operation car for railway. The hydrogen energy power contact net overhauls operation car for railway includes: the hydrogen fuel cell system comprises a hydrogen storage system, a protective cover, a fuel electric pile, an air inlet-exhaust system, a heat dissipation system, a control system and a hydrogen supply system. The utility model provides a hydrogen energy power contact net overhauls operation car for railway has solved traditional explosive motor vehicle and has discharged pollution and noise pollution problem, has solved the short problem of pure battery vehicle continuation of the journey mileage, has realized the integrated application of high-power hydrogen fuel cell system on contact net operation car, provides the basis for the application of hydrogen fuel cell system on other track engineering machinery, can stretch to higher more distant position such as contact net upper portion and stand back side position, satisfies the maintenance operation in contact net A district, B district, C district, D district; meanwhile, the tunnel wall maintenance can be considered, and the tunnel wall maintenance platform has the advantages of large space and large load capacity of an operation platform.

Description

Railway maintenance operation vehicle for hydrogen energy power contact network

Technical Field

The utility model relates to a rail engineering field especially relates to a hydrogen energy power contact net overhauls operation car for railway.

Background

At present, domestic and foreign contact net operation car is for solving the diesel engine in the tunnel and discharging pollution and noise pollution problem, adopt internal combustion + battery hybrid power mode mostly, adopt internal combustion power when the tunnel draws the operation outward, use battery power when the operation in the tunnel, this kind of car structure is complicated, vehicle length and weight greatly increased, be applicable to heavy load operation car, "internal combustion + battery" hybrid power pulls and has only realized the zero release of part highway section, zero pollution, and the mode of drawing that uses pure battery as power only is suitable for the better operating mode of short distance and line condition, like urban rail transit field.

As a clean energy source, the hydrogen fuel cell can realize real zero emission, is gradually applied to various industries, and is mainly applied to tramcars in the field of rail transit.

In the rail engineering industry, the contact net operation vehicle has not been researched and applied yet, and in order to ensure the safety of the whole vehicle, the tramcar hydrogen fuel cell system is arranged at the top of the vehicle, and the top of the contact net operation vehicle is influenced by the length of the whole vehicle, so that the arrangement of the existing whole hydrogen fuel cell cannot be met.

Therefore, it is necessary to provide a hydrogen energy power contact net maintenance vehicle for railways to solve the technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a railway is with hydrogen energy power contact net maintenance operation car has solved the problem of inconvenient integrated application hydrogen gas system on the contact net operation car.

In order to solve the technical problem, the utility model provides a hydrogen energy power contact net overhauls operation car for railway includes: the bicycle comprises a bicycle shed and a bicycle frame, wherein the bicycle shed is arranged above the bicycle frame; the hydrogen fuel cell system is arranged on the shed and comprises a hydrogen storage system, a protective cover, a fuel electric pile, an air inlet-exhaust system, a heat dissipation system, a control system and a hydrogen supply system, and hydrogen fuel is used as combustion energy; the working device is arranged on the frame; the hooking and buffering device is mounted below the frame in a hanging manner; the traveling system is arranged below the frame; an electrical system mounted between the shed and the frame; the hydraulic power unit is arranged above the frame and provides a power source for the operation device; the power battery system is arranged on the frame; the lifting railings are arranged on two sides of the frame; the radiator is hung below the frame and used for radiating the hydrogen fuel cell system; between the galvanic pile, set up between the galvanic pile in the inside of bicycle shed, the inboard between the galvanic pile is provided with the passageway.

Preferably, the bicycle shed includes preceding bicycle shed and back bicycle shed, preceding bicycle shed and back bicycle shed weld respectively in the both ends on frame upper portion realize that the vehicle bi-polar drives.

Preferably, the top of preceding bicycle shed rear end adopts half formula structure of sinking for install hydrogen storage system, and the both sides at preceding bicycle shed top all are provided with the guide plate, are used for satisfying the whole harmony of vehicle.

Preferably, the hydrogen fuel cell system adopts a distributed arrangement mode, the hydrogen storage system is arranged at the top of the front shed and is arranged inside the protective cover, and the hydrogen storage system consists of two groups of hydrogen storage bottles, and each group comprises eight 210L hydrogen storage bottles.

Preferably, the fuel cell stacks are provided with two groups, the air inlet-exhaust system is provided with two groups, and the fuel cell stacks and the air inlet-exhaust system are both arranged in the fuel cell stacks.

Preferably, the heat dissipation structures of the heat dissipation system are arranged on two sides of the bottom of the frame, and the heat dissipation structures are connected with the electric piles inside the electric piles through pipelines and used for circulating the cooling liquid to enter and exit.

Preferably, the traveling system comprises a bogie and traveling wheel sets, and the bogie comprises two sets of power bogies and is used for stably traveling the working vehicle on the rail.

Preferably, the electrical system comprises a brake resistor, a front driver station, a front control room, an electrical cabinet, a rear control room, a rear driver station, a traction motor, a transformer room, a storage battery pack, an auxiliary inverter, a traction inverter and an alternating current cabinet, and is used for storing and converting hydrogen energy power energy.

Preferably, power battery system includes power battery module, iron core reactor and high-low pressure interconnection box, power battery module, iron core reactor and high-low pressure interconnection box all hang install in the bottom of frame for alone provide power for whole car when the vehicle trouble.

Preferably, the bottom of the frame is provided with a braking system, the braking system comprises a CAB-B braking system, a resistance braking system and a basic braking device, and the air-electricity interlocking control can be realized.

Compared with the prior art, the utility model provides a hydrogen energy power contact net overhauls operation car for railway has following beneficial effect:

the utility model provides a railway is with hydrogen energy power contact net maintenance operation car, realize the vehicle self-running and the whole process zero release of operation, thoroughly solved traditional explosive motor vehicle and discharged pollution and noise pollution problem, realize that the continuation of the journey mileage is greater than more than 700km, solved the short problem of pure battery vehicle continuation of the journey mileage, realized the integrated application of high-power hydrogen fuel cell system on contact net operation car, provide the basis for the application of hydrogen fuel cell system on other track engineering machinery, the operation device platform can extend higher more distant position such as contact net upper portion and stand back side position, satisfy the maintenance operation in contact net A district, B district, C district, D district; meanwhile, the tunnel wall maintenance can be considered, and the tunnel wall maintenance platform has the advantages of large space and large load capacity of an operation platform.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of the hydrogen energy power contact network overhaul vehicle for railways provided by the utility model;

FIG. 2 is a view of the interior of the carport shown in FIG. 1;

FIG. 3 is a layout view of the underside of the frame shown in FIG. 1;

FIG. 4 is a schematic structural view of the unitary head portion shown in FIG. 1;

fig. 5 is a distribution diagram of the hydrogen fuel cell system shown in fig. 1.

Reference numbers in the figures:

1. a shed, 3, a front shed, 7 and a rear shed;

2. a hydrogen fuel cell system 201, a hydrogen storage system 202, a protective cover 203, a fuel electric pile 204, an air inlet-exhaust system 205, a heat dissipation system 206, a control system 207 and a hydrogen supply system;

4. a baffle;

5. a straight arm dual slewing operation device;

8. a hook and buffer device;

9. a traveling system 12, a bogie 25 and a traveling wheel set;

10. a frame;

11. the system comprises an electric system, 6, a brake resistor, 18, a front driver platform, 19, a front control room, 22, an electric appliance cabinet, 23, a rear control room, 24, a rear driver platform, 26, a traction motor, 30, a transformer room, 31, a storage battery pack, 32, an auxiliary inverter, 33, a traction inverter, 34 and an alternating current cabinet;

13. a hydraulic power unit;

14. the power battery system 27, the power battery module 28, the iron core reactor 29 and the high-low voltage interconnection box;

15. a braking system;

16. lifting railings;

17. a heat sink;

20. between the electric piles;

21. an aisle.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a hydrogen energy power contact network maintenance vehicle for railways according to the present invention; FIG. 2 is a view of the interior of the carport shown in FIG. 1; FIG. 3 is a layout view of the underside of the frame shown in FIG. 1; FIG. 4 is a schematic structural view of the unitary head portion shown in FIG. 1; fig. 5 is a distribution diagram of the hydrogen fuel cell system shown in fig. 1.

Example 1:

the utility model provides a railway is with 300kW power level hydrogen energy power contact net maintenance operation car:

the maximum running speed is 120km/h, the weight of the whole vehicle is about 58 tons, the minimum running speed can pass through the curve radius of 100m, and the endurance mileage can reach more than 700 km.

The device is suitable for operation equipment for tunnel full-section and sound barrier maintenance;

through an integration scheme of a high-power hydrogen fuel cell system on the vehicle, the weight of the vehicle is smaller than 58t, the length of the vehicle meets the requirement of passing a curve radius of 100m, and meanwhile, the whole vehicle limit conforms to the regulation of GB146.1 part 1 locomotive vehicle limit of standard gauge railway limit, and the vehicle has good stability, safety and maintenance performance.

The safety of the vehicle for overhauling the operation vehicle of the hydrogen energy power contact network is ensured.

A hydrogen energy power contact net overhauls operation car for railway includes: the bicycle shed comprises a shed 1 and a frame 10, wherein the shed 1 is arranged above the frame 10;

the hydrogen fuel cell system 2 is arranged on the shed 1, the hydrogen fuel cell system 2 comprises a hydrogen storage system 201, a protective cover 202, a fuel cell stack 203, an air inlet-exhaust system 204, a heat dissipation system 205, a control system 206 and a hydrogen supply system 207, and hydrogen fuel is used as combustion energy;

a working device 5, wherein the working device 5 is arranged on the frame 10;

the coupler and damper device 8 is arranged below the frame 10 in a hanging mode;

the traveling system 9 is installed below the frame 10, and the traveling system 9 is installed below the frame 10;

an electrical system 11, wherein the electrical system 11 is installed between the shed 1 and the frame 10;

the hydraulic power unit 13 is arranged above the frame 10, and provides a power source for the working device 5;

a power battery system 14, wherein the power battery system 14 is arranged on the frame 10;

the lifting railings 16 are arranged on two sides of the frame 10;

a radiator 17, the radiator 17 being suspended below the frame 10 for heat radiation of the hydrogen fuel cell system 2;

the electric pile room 20 is arranged inside the shed 1, and the inner side of the electric pile room 20 is provided with a passageway 21.

The hydrogen supply system 207 is provided with hydrogen ports at two sides of the rear end wall of the front shed 3, so that hydrogen filling is facilitated.

The working device 5 is a set of straight-arm double-rotation working platform which is not limited by a contact network wire and can extend to higher and farther positions such as the upper part of the contact network and the back side position of the upright post, so that the overhaul operation of a region A, a region B, a region C and a region D of the contact network is met;

meanwhile, the tunnel wall maintenance can be properly considered, and the tunnel wall maintenance device has the advantages of large space and large load capacity of an operation platform.

In order to ensure good small curve passing performance and control the weight of the whole vehicle, the length of the frame 10 is 16500mm, and the width of the frame 10 is 3100mm, the frame 10 adopts a middle beam bearing structure and is formed by welding profile steels.

Bicycle shed 1 includes preceding bicycle shed 3 and back bicycle shed 7, preceding bicycle shed 3 and back bicycle shed 7 weld respectively in the both ends on frame 10 upper portion realize that the vehicle bi-polar drives.

Bi-polar driving to improve driver lookout lines of sight.

The top at the rear end of the front car shed 3 adopts a semi-sinking structure for installing a hydrogen storage system, and guide plates 4 are arranged on two sides of the top of the front car shed 3 and used for meeting the overall coordination of the car.

The sinking type front shed 3 is used for meeting the requirement of vehicle limit and the requirement of vehicle stability when the 180mm outer rail of the vehicle exceeds the operation.

The height of the guide plate 4 is consistent with that of the side wall of the rear car shed, so that the overall coordination and the attractiveness of the car are met.

The hydrogen fuel cell system 2 adopts a distributed arrangement mode, the hydrogen storage system 201 is arranged at the top of the front shed 3, the hydrogen storage system 201 is arranged inside the protective cover 202, the hydrogen storage system 201 is composed of two groups of hydrogen storage bottles, and each group comprises eight 210L hydrogen storage bottles.

Sixteen 210L hydrogen storage bottles can meet the requirement that the vehicle endurance mileage is more than 700 km;

meanwhile, the upper protective cover 202 provides good protection for the hydrogen storage system 201, and the stability and the safety of equipment operation are guaranteed.

The hydrogen fuel cell system 2 adopts a distributed arrangement mode to provide guarantee for the whole vehicle space and the safety performance of the hydrogen system.

The fuel cell stacks 203 are provided with two groups, the air inlet-outlet system 204 is provided with two groups, and the fuel cell stacks 203 and the air inlet-outlet system 204 are both arranged inside the cell stack room 20.

Two groups of fuel electric piles 203, two groups of electric piles and auxiliary devices thereof, an air inlet-exhaust system 204 and the like are arranged in the electric pile room 20;

besides the hydrogen storage system 201 shared by the two groups of fuel electric stacks 203, other systems such as a heat dissipation system 205 and an air inlet-exhaust system 204 are independent systems, and single stack independent power generation and power supply can be realized.

As shown in fig. 1, the cell stack room 20 is designed to be explosion-proof, two explosion-proof doors are arranged on one side close to the aisle 21, the wall body is an explosion-proof wall, and two split shutters are arranged on one side close to the outer side of the vehicle body, so that the cell stack room is integrally detached when the cell stack 203 is maintained, and the cell stack room is used as an explosion energy release port to ensure the safety of indoor personnel.

A gas guide plate and a hydrogen escape hole are arranged at the top of the electric pile room 20 to avoid hydrogen accumulation;

the design of the explosion-proof chamber meets the condition that when the hydrogen supply pipeline is completely disconnected, the concentration of hydrogen in the electric pile chamber 20 is not more than 4% within 10 minutes, and explosion conditions are prevented.

The heat dissipation structure of the heat dissipation system 205 is disposed at two sides of the bottom of the frame 10, and the heat dissipation structure is connected to the electric pile inside the electric pile room 20 through a pipeline for circulating the cooling liquid.

The traveling system 9 comprises a bogie 12 and a traveling wheel set 25, wherein the bogie 12 comprises two sets of power bogies and is used for stably traveling the operation vehicle on a track.

Two power trucks 12 are connected to the bottom of the frame 10.

A running wheel set 25 is mounted on the power bogie 12, and the input end of the running wheel set 25 is connected with

The output end of the traction motor 26 is connected to provide a power source for the traveling wheel set 25, so that the operation vehicle can travel conveniently.

The electric system 11 comprises a brake resistor 6, a front driver station 18, a front control room 19, an electric appliance cabinet 22, a rear control room 23, a rear driver station 24, a traction motor 26, a transformer room 30, a storage battery pack 31, an auxiliary inverter 32, a traction inverter 33 and an alternating current cabinet 34, and is used for storing and converting hydrogen energy power energy.

The brake resistor 6 is arranged above the rear car shed 7;

the front driver platform 18 and the money control room 19 are both arranged inside the front carport 3;

the electric appliance cabinet 22, the rear control room 23 and the rear driver platform 24 are all arranged inside the rear bicycle shed 7;

the transformation room 30, the auxiliary inverter 32, the traction inverter 33 and the AC cabinet 34 are all installed inside the front shed 3;

the storage battery pack 31 is mounted at the bottom of the frame 10 and used for emergency power supply of a vehicle control system and vehicle electrical appliances.

Power battery system 14 includes power battery module 27, iron core reactor 28 and high-low voltage interconnection box 29, power battery module 27, iron core reactor 28 and high-low voltage interconnection box 29 all hang install in the bottom of frame 10 for vehicle peak power supplements and vehicle provides emergent power for whole car alone when breaking down.

The power battery system 14 and the hydrogen fuel cell system 2 jointly form the power system of the vehicle, and the power system can independently provide power for the whole vehicle when the vehicle fails.

The hydrogen energy power contact net overhauling operation vehicle for the railway is suitable for different speed grades such as the self-running speed of 120 km/h;

the hydrogen energy power contact net overhauling operation vehicle for the railway is also suitable for different power grades such as 300 kW.

the hydrogen energy power contact net overhaul operation vehicle realizes self-running of the vehicle and zero emission of the whole operation process, the problems of emission pollution and noise pollution of the traditional internal combustion vehicle are thoroughly solved, the endurance mileage of the hydrogen energy power contact net overhaul operation vehicle is more than 700km, the problem of short endurance mileage of a pure battery vehicle is solved, and the hydrogen energy power contact net overhaul operation vehicle realizes that a high-power hydrogen fuel cell system is arranged on the contact net operation vehicle

The integrated application provides a foundation for the application of the hydrogen fuel cell system on other rail engineering machinery, and the operation device platform of the hydrogen energy power contact net operation vehicle can extend to the upper part of the contact net and the back side position of the upright post and the like

The remote position meets the maintenance operation of an area A, an area B, an area C and an area D of the contact network; meanwhile, the tunnel wall maintenance can be considered, and the tunnel wall maintenance platform has the advantages of large space and large load capacity of an operation platform.

Example 2:

the bottom of frame 10 is provided with braking system 15, braking system 15 comprises CAB-B braking system, resistance braking system and basic brake device, can realize empty electric interlocking control.

When the vehicle runs normally, the electric brake is applied, the CCU controls and drives the no-load electric interlocking valve to act, and the air brake is normally used for braking the large brake; when the emergency brake is applied through the large brake, or an emergency brake button is pressed, or an emergency stop button is pressed, or the brake pressure of the small brake is more than 90KPa, the system automatically cuts off the electric brake.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a railway is with hydrogen energy power contact net maintenance operation car which characterized in that includes:

the bicycle comprises a bicycle shed and a bicycle frame, wherein the bicycle shed is arranged above the bicycle frame;

the hydrogen fuel cell system is arranged on the shed and comprises a hydrogen storage system, a protective cover, a fuel electric pile, an air inlet-exhaust system, a heat dissipation system, a control system and a hydrogen supply system, and hydrogen fuel is used as combustion energy;

the working device is arranged on the frame;

the hooking and buffering device is mounted below the frame in a hanging manner;

the traveling system is arranged below the frame;

an electrical system mounted between the shed and the frame;

the hydraulic power unit is arranged above the frame and provides a power source for the operation device;

the power battery system is arranged on the frame;

the lifting railings are arranged on two sides of the frame;

the radiator is hung below the frame and used for radiating the hydrogen fuel cell system;

between the galvanic pile, set up between the galvanic pile in the inside of bicycle shed, the inboard between the galvanic pile is provided with the passageway.

2. The hydrogen energy power contact net overhauling operation vehicle for the railway according to claim 1, wherein the shed comprises a front shed and a rear shed, and the front shed and the rear shed are respectively welded at two ends of the upper part of the frame to realize double-end driving of the vehicle.

3. The hydrogen energy power contact net overhauling operation vehicle for the railway according to claim 2, wherein the top of the rear end of the front shed is of a semi-sinking type structure and is used for installing a hydrogen storage system, and guide plates are arranged on two sides of the top of the front shed and are used for meeting the overall coordination of the vehicle.

4. The railway hydrogen energy power contact net overhaul vehicle as claimed in claim 2, wherein the hydrogen fuel cell system is arranged in a distributed manner, the hydrogen storage system is mounted on the top of the front shed and mounted inside the protective cover, and the hydrogen storage system is composed of two groups of hydrogen storage bottles, each group comprising eight 210L hydrogen storage bottles.

5. The railway hydrogen energy power contact net overhaul vehicle as claimed in claim 4, wherein the fuel cell stacks are provided with two groups, the gas inlet-outlet systems are provided with two groups, and the fuel cell stacks and the gas inlet-outlet systems are both arranged in the cell stacks.

6. The hydrogen energy power contact net overhauling operation vehicle for the railway according to claim 5, wherein the heat dissipation structures of the heat dissipation system are arranged on two sides of the bottom of the frame, and the heat dissipation structures are connected with the electric piles inside the electric piles through pipelines and used for circulating the cooling liquid to enter and exit.

7. The hydrogen energy power contact net overhauling operation vehicle for the railway according to claim 6, wherein the walking system comprises a bogie and a walking wheel set, and the bogie comprises two sets of power bogies and is used for stably walking the operation vehicle on the rail.

8. The railway hydrogen energy power contact net overhaul operating vehicle as claimed in claim 1, wherein the electrical system comprises a brake resistor, a front driver station, a front control chamber, an electrical cabinet, a rear control chamber, a rear driver station, a traction motor, a transformer chamber, a storage battery pack, an auxiliary inverter, a traction inverter and an alternating current cabinet, and is used for storing and converting hydrogen energy power.

9. The railway hydrogen energy power contact net overhauling operation vehicle as set forth in claim 1, wherein the power battery system comprises a power battery module, an iron core reactor and a high-low voltage interconnection box, and the power battery module, the iron core reactor and the high-low voltage interconnection box are all mounted at the bottom of the frame in a suspension manner and are used for independently providing emergency power for the whole vehicle during peak power supplement and vehicle failure.

10. The railway hydrogen energy power contact net overhaul operating vehicle as claimed in claim 1, wherein a brake system is arranged at the bottom of the frame, the brake system comprises a CAB-B brake system, a resistance brake system and a basic brake device, and air-electricity interlocking control can be achieved.