Intelligent urban rail three-platform maintenance operation vehicle driven by new energy

Abstract

The invention provides an intelligent urban rail three-platform maintenance operation vehicle driven by new energy. The intelligent urban rail three-platform maintenance operation vehicle comprises a vehicle frame, a rest room, an electrical room, a low-voltage electrical cabinet, a three-platform operation device and a hook buffer device. According to the intelligent urban rail three-platform maintenance operation vehicle driven by the new energy, the storage battery serves as driving power of the operation device, the charging voltage can be selected according to the field condition of a user, charging can be conducted without the help of ground charging equipment, and a BMS storage battery management system is carried; the three-platform control system has a parameter setting function, an anti-collision function, an overload alarm function and a one-key recovery function, operation is easy, clean energy serves as a driving power source of an operation device, the operation environment is improved, meanwhile, daily overhaul and maintenance cost is greatly reduced, and the vehicle can pass through the small metro clearance, and is convenient to use. The wide operation range of lines in urban areas, intercity areas and the like is met, the application is wide, and the adaptability is higher; and meanwhile, the requirement for multi-point-position operation is met, and the operation efficiency is high.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of railway engineering machinery, and particularly relates to a new energy driven intelligent urban rail three-platform maintenance operation vehicle. BACKGROUND

[0002] The operation device used for the maintenance of the overhead facilities of the overhead contact line of the user site of the urban rail transit railway line is mainly a hydraulic lifting rotary operation platform, and some users use a straight arm double rotary operation platform in the form of a single operation bucket to perform maintenance operation. The hydraulic lifting rotary operation platform can only meet the requirements of the contact line maintenance position, and the operation range has a blind area, and the straight arm double rotary operation platform cannot efficiently adapt to the requirements of the rapid emergency treatment working condition of the overhead contact line overhead multi-point fault.

[0003] The three-platform operation device which has been maturely applied in the national railway and the urban railway line has a unique advantage in the rapid emergency treatment working condition of the overhead contact line overhead multi-point fault, and can also consider the maintenance of the noise barrier and other high-altitude equipment. The three-platform operation device has good applicability to the overhead contact line maintenance working condition of the user site.

[0004] At present, the mainstream urban rail three-platform maintenance operation vehicle is mainly used for the national railway and the urban railway line, and is in the internal combustion self-propelled mode. In order to meet the requirements of the urban rail transit railway line limit, the main engine factory has adapted the design of the height of the three-platform device, which also makes the three-platform height operation range smaller, and the application working condition adaptability of the whole vehicle weaker, without the effects of energy saving, emission reduction, low noise and comfort. The tail gas emission and noise of the traditional generator set and the internal combustion pump station seriously affect the operation environment. The operation vehicle with pure storage battery as the walking and operation power has the endurance anxiety. The three-platform device cannot adjust the operation parameters, and the operation range is fixed, which is easy to cause dangerous operation working conditions such as limit invasion. The operation of the platform recovery needs to be operated at each operation end, and the operation is complex. The lifting rotary platform operation has an operation blind area, the straight arm double rotary operation cannot efficiently adapt to the requirements of the rapid emergency treatment working condition of the overhead contact line overhead multi-point fault, and the urban rail three-platform cannot meet the requirements of the metro limit.

[0005] Therefore, it is necessary to provide a new energy driven intelligent urban rail three-platform maintenance operation vehicle to solve the above technical problems. SUMMARY

[0006] The application provides a new energy driven intelligent urban rail three-platform maintenance operation vehicle, solves the problem that the tail gas emission and noise of the traditional generator set and internal combustion pump station seriously affect the operation environment, the problem that the pure storage battery used as the operation power of the operation vehicle causes the endurance anxiety, the problem that the three platforms on the vehicle cannot adjust the operation parameters, the operation range is fixed, and dangerous operation conditions such as the invasion limit easily occur, the problem that the platform recovery needs to be operated at each operation end, and the operation is complex, the problem that the operation blind area exists in the lifting rotary platform operation, the problem that the straight arm double rotary cannot efficiently adapt to the requirement of the rapid emergency treatment working condition of the multiple point fault on the overhead contact system, and the problem that the city area three platform cannot meet the metro limit requirement.

[0007] To solve the above technical problems, the application provides a new energy driven intelligent urban rail three-platform maintenance operation vehicle, which comprises a vehicle frame, a rest room, an electrical room, a low-voltage electrical cabinet, a three-platform operation device and a hook buffer device. The three-platform operation device is arranged at the middle part of the top of the vehicle frame, and comprises a leveling mechanism and three platforms. The three platforms comprise a main lifting mechanism, a left platform lifting mechanism, a right platform lifting mechanism, a left platform telescopic mechanism, a right platform telescopic mechanism, a vehicle ladder, a main platform control box, a main platform, a left platform, a left platform control box, a right platform and a right platform control box. Preferably, the rest room is arranged at one side of the top of the vehicle frame, the electrical room is arranged at one side of the rest room, the low-voltage electrical cabinet is arranged at the rear end in the rest room, and the hook buffer device is arranged at both ends of the vehicle frame.

[0008] Preferably, guardrails are fixedly arranged at three sides of the top of the vehicle frame, and rail doors are arranged at both sides of the guardrails.

[0009] Preferably, tool cabinets are arranged at both sides in the rest room, and up and down doors are arranged at both sides of the outer surface of the rest room.

[0010] Preferably, one side of the inside of the electrical room is provided with an electrical room door, one side of the upper part of the electrical room is provided with a tool cabinet, the other side is provided with an auxiliary inverter, the other side of the inside of the electrical room is provided with a work area door, and both sides of the lower part of the electrical room are each provided with a power storage battery.

[0011] Preferably, one side of the top of the vehicle frame is provided with a working device control cabinet, and the other side of the top of the vehicle frame is provided with a hydraulic pump station.

[0012] Preferably, both ends of the bottom of the vehicle frame are provided with unpowered bogies, and both sides of the middle of the bottom of the vehicle frame are respectively provided with a chopper reactor and an auxiliary storage battery box.

[0013] Preferably, the left and right sides and the front and rear sides of the bottom of the vehicle frame are each provided with a rail grabber, both sides of the unpowered bogie at one end are provided with a backflow device, the unpowered bogie at the other end is provided with a secondary locking device, both sides of the other side of the bottom of the vehicle frame are respectively provided with a DC 1500V charging socket 24 and an AC 380V charging socket, the bottom of the vehicle frame is provided with a 120-type air brake system, and the middle of the one side of the bottom of the vehicle frame is provided with a backflow rail conversion box.

[0014] Preferably, both ends of the vehicle frame are respectively provided with a reconnection socket and an AC 380V three-phase input socket.

[0015] Preferably, the outer surface of the chopper reactor is provided with a protection device, the protection device comprises a protection box, a setting groove, a communication groove, a fixed frame and a bolt hole, the protection box is arranged on the outer surface of the chopper reactor, the setting groove is arranged in the middle of the top of the protection box, two communication grooves are arranged on both sides of the outer surface of the protection box, the fixed frame is fixedly installed on the top of the outer surface of the protection box, and four bolt holes are arranged on the periphery of the top of the fixed frame.

[0016] Preferably, both sides of the inside of the protection device are each provided with a heat dissipation device, the heat dissipation device comprises a motor box, a driving member, an exhaust groove, a rotating stick and a cleaning plate, the motor box is installed on one side of the inside of the setting groove, the driving member is fixedly installed in the middle of the inside of the motor box, the exhaust groove is arranged on one side of the outer surface of the motor box, the rotating stick is fixedly connected to one end of the motor box, and the cleaning plate is fixedly installed on one side of the outer surface of the rotating stick.

[0017] Compared with the related art, the new energy driven intelligent urban rail three-platform maintenance work vehicle has the following beneficial effects: This invention provides a new energy-driven intelligent urban rail three-platform maintenance vehicle. It uses batteries as the driving force for its working devices, with two sets of batteries acting as backups for each other. If one set fails, the other can still ensure operation. Equipped with an auxiliary inverter system, it features both inverter and charging functions. The charging voltage can be selected according to the user's site conditions, eliminating the need for ground charging equipment. It also features a BMS battery management system for real-time monitoring and safety management of battery operation. The three platforms and leveling device are integrated. The three-platform control system includes parameter setting, anti-collision, overload alarm, and one-button retraction functions. Under safe operating conditions, the working platforms can be retracted with a single piece, requiring no multiple operators and simplifying operation. The vehicle does not carry its own propulsion; using clean energy as the driving force for its working devices effectively reduces exhaust fumes, noise, and vibration, improving the working environment and significantly reducing daily maintenance costs. This vehicle can pass through subway lines with limited clearance and meets the needs of urban and intercity lines, offering wide application and greater adaptability. It also meets the requirements for multi-point operations with high efficiency. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of a first embodiment of a new energy-driven intelligent urban rail three-platform maintenance vehicle provided by the present invention; Figure 2 for Figure 1 The diagram shows a top view of the upper part of the vehicle frame. Figure 3 for Figure 1 The diagram shows a top view of the lower part of the vehicle frame. Figure 4 for Figure 1 The diagram shown is a side view of the structure of the lounge. Figure 5 for Figure 1 The diagram shows the structure of the three-platform operating device. Figure 6 for Figure 5 The diagram shows a side view of the three-platform operating device. Figure 7 for Figure 5 The diagram shows a top view of the three-platform operating device. Figure 8 for Figure 5 The diagram shows the unfolded configuration of the three-platform operating device. Figure 9 This invention provides an electrical system topology diagram of a new energy-driven intelligent urban rail three-platform maintenance vehicle. Figure 10 The present invention provides an electrical schematic diagram of the main circuit of the electrical system of a new energy-driven intelligent urban rail three-platform maintenance vehicle. Figure 11 This invention provides a topology diagram of the operating device control system for a new energy-driven intelligent urban rail three-platform maintenance vehicle. Figure 12 This is a schematic diagram of the structure of a second embodiment of a new energy-driven intelligent urban rail three-platform maintenance vehicle provided by the present invention; Figure 13 for Figure 12 The enlarged schematic diagram of part A shown below; Figure 14 for Figure 12 The diagram shows the structure of the protective device.

[0019] Numbered in the diagram: 1. Rest room, 2. Electrical room, 3. Three-platform working device, 4. Guardrail gate, 5. Chassis, 6. Unpowered bogie, 7. Chopper reactor, 8. Auxiliary battery box, 9. Hook and buffer device, 10. Tool cabinet, 11. Entry and exit doors, 12. Electrical room door, 13. Auxiliary inverter, 14. Power battery, 15. Guardrail, 16. Hydraulic pump station, 17. Refrigeration / heating equipment, 18. Low-voltage electrical cabinet, 19. Tool cabinet, 20. Working area door, 21. Working device control cabinet, 22. Rail grabber, 23. Return rail, 24. DC1500V charging socket, 25. AC380V charging socket, 26. Return rail conversion box, 27. Type 120 air brake system, 28. One and two 29. Locking device; 30. Reconnection socket; 31. AC380V input socket; 32. Left platform telescopic mechanism; 33. Right platform telescopic mechanism; 34. Three platforms; 35. Leveling mechanism; 36. Main lifting mechanism; 37. Left platform lifting mechanism; 38. Right platform lifting mechanism; 39. Car ladder; 40. Main platform control box; 41. Main platform; 42. Left platform; 43. Right platform; 44. Right platform control box; 45. Protective device; 451. Protective box; 452. Setting slot; 453. Connecting slot; 454. Fixing frame; 455. Bolt hole; 46. Heat dissipation device; 461. Motor box; 462. Drive component; 463. Exhaust duct; 464. Rotating roller; 465. Cleaning plate. Detailed Implementation

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0021] First Embodiment

[0022] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 ,Figure 9 、 Figure 10 and Figure 11 wherein, Figure 1 is a structural schematic diagram of a first embodiment of a new energy driven intelligent urban rail three-platform maintenance operation vehicle provided by the application; Figure 2 is a structural top view of the upper part of the vehicle frame shown in Figure 1 ; Figure 3 is a structural top view of the lower part of the vehicle frame shown in Figure 1 ; Figure 4 is a structural side view of the rest room shown in Figure 1 ; Figure 5 is a structural schematic diagram of the three-platform operation device shown in Figure 1 ; Figure 6 is a structural side view of the three-platform operation device shown in Figure 5 ; Figure 7 is a top view of the three-platform operation device shown in Figure 5 ; Figure 8 is an expanded schematic diagram of the three-platform operation device shown in Figure 5 ; Figure 9 is an electrical system topology diagram of a new energy driven intelligent urban rail three-platform maintenance operation vehicle provided by the application; Figure 10 is an electrical principle diagram of the main circuit of the electrical system of a new energy driven intelligent urban rail three-platform maintenance operation vehicle provided by the application; Figure 11 is a working device control system topology diagram of a new energy driven intelligent urban rail three-platform maintenance operation vehicle provided by the application.

[0023] A new energy driven intelligent urban rail three-platform maintenance operation vehicle comprises a vehicle frame 5, a rest room 1, an electrical room 2, a low-voltage electrical cabinet 18, a three-platform operation device 3 and a hook buffer device 9. The three-platform operation device 3 is arranged at the middle part of the top of the vehicle frame 5, and comprises a leveling mechanism 34 and three platforms 33, wherein the three platforms 33 are arranged at the upper part of the leveling mechanism 34. The three platforms include a main lifting mechanism 35, a left platform lifting mechanism 36, a right platform lifting mechanism 37, a left platform telescopic mechanism 31, a right platform telescopic mechanism 32, a vehicle ladder 38, a main platform control box 39, a main platform 40, a left platform 41, a left platform control box 42, a right platform 43 and a right platform control box 44, the left platform telescopic mechanism 31 is arranged on one side of the main lifting mechanism 35, the right platform telescopic mechanism 32 is arranged on the other side of the main lifting mechanism 35, the main lifting mechanism 35 is arranged on the upper part of the leveling mechanism 34, the left platform lifting mechanism 36 is arranged on the upper part of the left platform telescopic mechanism 31, the right platform lifting mechanism 37 is arranged on the upper part of the right platform telescopic mechanism 32, the vehicle ladder 38 is arranged on one side of the outer surface of the main platform 40, the main platform 40, the left platform 41 and the right platform 43 are arranged on the top of the lifting mechanisms 35, 36 and 37 respectively, and the main platform control box 39, the left platform control box 42 and the right platform control box 44 are arranged on the railings of the main platform 40, the left platform 41 and the right platform 43 respectively. The rest room 1 is arranged on one side of the top of the vehicle frame 5, the electrical room 2 is arranged on one side of the rest room 1, the low-voltage electrical cabinet 18 is arranged at the rear end in the rest room 1, and the slack hook device 9 is arranged at both ends of the vehicle frame 5.

[0024] The protective railings 15 are fixedly installed on three sides of the top of the vehicle frame 5, and rail doors 4 are arranged on both sides of the protective railings 15.

[0025] Tool cabinets 10 are arranged on both sides of the inside of the rest room 1, and up and down vehicle doors 11 are arranged on both sides of the outer surface of the rest room 1.

[0026] An electrical room vehicle door 12 is arranged on one side of the inside of the electrical room 2, a tool cabinet 19 is arranged on one side of the upper part in the electrical room 2, an auxiliary inverter 13 is arranged on the other side, a work area vehicle door 20 is arranged on the other side of the inside of the electrical room 2, and power storage batteries 14 are arranged on both sides of the lower part in the electrical room 2.

[0027] A work device control cabinet 21 is arranged on one side of the top of the vehicle frame 5, and a hydraulic pump station 16 is arranged on the other side of the top of the vehicle frame 5.

[0028] Unpowered bogies 6 are arranged at both ends of the bottom of the vehicle frame 5, chopper reactors 7 and auxiliary storage battery boxes 8 are arranged on both sides of the middle of the bottom of the vehicle frame 5.

[0029] The left and right and front and back sides of the bottom of the frame 5 are provided with rail grabbers 22, the two sides of the one end non-powered bogie 6 are provided with backflow devices 23, the other end non-powered bogie 6 is provided with a two-system locking device 28, the two sides of the other side of the bottom of the frame 5 are respectively provided with a DC1500V charging socket 24 and an AC380V charging socket 25, the bottom of the frame 5 is provided with a 120-type air brake system 27, and the middle of the one side of the bottom of the frame 5 is provided with a backflow rail conversion box 26.

[0030] The two ends of the frame 5 are respectively provided with a reconnection socket 29 and an AC380V three-phase input socket 30.

[0031] The three-platform operation device is provided with a main platform provided with a height position sensor, left and right auxiliary platforms provided with height and transverse position sensors, and displays arranged on each platform, so that real-time positioning and display can be realized; the three-platform operation device is provided with a collision prevention sensor, which is limited to stop when approaching an obstacle (the distance can be set through a program), and the function is provided with a switch, which can be selected to be closed according to needs during operation; the three-platform operation device is provided with an overload alarm device, which outputs an alarm signal or stops the platform from moving when reaching a limited value in a static state; the three-platform operation device has a parameter setting function, and the operation platform movement speed, telescopic arm length and detection alarm value can be set through a parameter design interface; a wind speed detector is arranged on the three-platform operation device, and an alarm and movement limitation are realized when the wind speed exceeds 12.5 m / s.

[0032] The main circuit of the power storage battery 14 includes a battery module, a manual maintenance switch, a fuse, a contactor, a voltage sensor, a current sensor, an insulation detection system, a high-voltage indicator, a BMS (battery management system) and the like; the auxiliary power supply system includes an auxiliary inverter, a chopper reactor, a backflow device, a conversion switch, a low-voltage electrical cabinet, a DC1500V charging socket 24 and an AC380V charging socket 25 and the like.

[0033] The urban rail three-platform maintenance operation vehicle is a non-walking power vehicle, adopts a storage battery as a driving power of an operation device, the storage battery is divided into two groups and is redundant backup to each other, and can work independently; the urban rail three-platform maintenance operation vehicle has DC1500V and AC380V charging functions; the urban rail three-platform maintenance operation vehicle has backflow rail and running rail backflow conversion functions when charging the storage battery; the urban rail three-platform maintenance operation vehicle has a control vehicle low-speed running and operation running interlocking function; a leveling device control system has automatic locking and unlocking, automatic leveling, automatic resetting, manual leveling, emergency operation and safety interlocking functions with the three platforms; the three-platform operation device has real-time height display, anti-collision and overload alarm functions; the three-platform operation device has a parameter setting function; the three-platform operation device has a wind speed detection and alarm function.

[0034] The working principle of the new energy driven intelligent urban rail three-platform maintenance operation vehicle is as follows: In work, first, the vehicle body is a semi-porch structure, the main bearing structure is a vehicle frame 5, the vehicle frame 5 is connected with a vehicle shed, the vehicle shed is divided into a rest room 1 and an electrical room 2, the rest room 1 and the electrical room 2 are provided with a partition wall, the partition wall is provided with an explosion-proof design; the rest room 1 is provided with up and down doors 11 on both sides, and the rest room 1 is provided with an electrical room door 12 at the rear end, leading to the electrical room 2, in order to reduce the influence of the noise of the electrical room 2 on the rest room 1, the door is provided with a soundproof door.

[0035] The rest room 1 is provided with a tool cabinet 10, a refrigeration / cooling device 17 and a low-voltage electrical cabinet 18, the tool cabinet 10 is provided with an upper bed and a lower box structure, the upper part can be used for resting of operation personnel, and the lower part can be used for placing operation tools; The electrical room 2 is provided with two groups of power storage batteries 14, a tool cabinet 19 and an auxiliary inverter 13, and the electrical room 2 is provided with an operation area door 20 at the rear end, leading to an operation area; The three-platform operation device 3 and the hydraulic pump station 16 are operation areas, the three-platform operation device 3 is arranged in a sunken mode, the three-platform 33 is provided with a leveling mechanism 30 and an operation device control cabinet 21 at the front end, and the operation area is provided with protective railings 15 on both sides, and the protective railings 15 on both sides are provided with four railing doors 4; Two unpowered bogies 6, four groups of rail grabbers 22, a chopper reactor 7, an auxiliary storage battery box 8 and a return rail conversion box 26 are arranged below the vehicle frame 5, and hook buffer devices 9 are arranged on the front and rear of the vehicle frame 5 and used for being connected with a powered vehicle; The urban rail three-platform maintenance operation vehicle adopts a 120-type air brake system 27, and a unit brake is used for basic braking; The two unpowered bogies 6 are provided with return flow devices 23 on both sides and used for return flow of a DC1500V charging socket 24 during charging; the other unpowered bogie 6 is provided with a secondary locking device 28, and the primary and secondary devices are rigidly connected during operation, so that the influence of primary and secondary vibration on operation is reduced; The urban rail three-platform maintenance operation vehicle is provided with the DC1500V charging socket 24 and an AC380V charging socket 25 on both sides, and the sockets are used for charging of power storage batteries; The urban rail three-platform maintenance operation vehicle is provided with the AC380V charging socket 25 at both ends, connected with an AC382V input socket 30 and a heavy connection socket 29.

[0036] The three-platform operation device 3 integrates a three-platform 33 and a leveling mechanism 34, and the three-platform operation device 3 is powered by a hydraulic pump station 16, and the hydraulic pump station 16 integrates a hydraulic oil tank, a main operation pump station and an emergency pump station and the like; the three-platform 33 is provided with a control end in each of a main platform and two auxiliary platforms, and a leveling control cabinet is arranged beside the three-platform device 33, and the control cabinet is internally integrated with control components required by the three-platform 33 and the leveling mechanism 34, and has the functions of platform action control, platform lighting control, vehicle low-speed walking and interlocking control; One of the unpowered bogies 6 is provided with a bogie secondary locking device 28, and the other unpowered bogie 6 is provided with a backflow device 23 on both sides, which can be selected according to requirements; The electrical system mainly includes a power supply, an auxiliary power supply system, a three-platform operation device control system, electrical equipment and other auxiliary equipment; the power supply has two power supply modes: a. the power storage battery is inverted by the auxiliary inverter to provide power for the whole vehicle; b. in the state that the power storage battery is not started, the power is provided by the vehicle end AC380V input socket 30; the auxiliary inverter 13 converts the DC power output by the power storage battery 14 into AC380V / AC220V, and provides power for the auxiliary AC load of the whole vehicle through the low-voltage electrical cabinet 18; at the same time, the auxiliary inverter 13 integrates a charging module, and has DC1500V and AC380V charging functions; The chopper reactor 7 is used for battery charging and filtering, the backflow device 23 is used for circuit backflow when charging DC1500V, and the switch is used for selecting the running rail / backflow rail backflow according to the actual situation in the warehouse when charging in the warehouse, and the voltage electrical cabinet door indicator light feedbacks the backflow state; The low-voltage electrical cabinet 18 includes an AC / DC power distribution module, a DC24V to DC110V module, an AC220V to DC24V module and a display module, and is used for power supply and control of the whole vehicle; the operation device control system includes the three-platform 33 and the leveling mechanism 34; the vehicle end heavy connection socket 29 is connected with a traction vehicle to realize the functions of driving and operation interlocking, and low-speed walking of a marshalling vehicle.

[0037] Compared with the related art, the new energy driven intelligent urban rail three-platform maintenance operation vehicle has the following beneficial effects: The application provides a new energy driven intelligent urban rail three-platform maintenance operation vehicle, which is driven by a battery as an operation device, the battery is two groups, and each group is a backup, when one group fails, the other group can also ensure operation; an auxiliary inverter system is provided, which has inverting and charging functions, the charging voltage can be selected according to the user's site conditions, and charging is not needed by using ground charging equipment, a BMS battery management system is carried, the running state of the battery can be monitored and managed in real time, the three platforms 33 and the leveling device 34 are integrated, the three-platform control system is provided with parameter setting function, anti-collision function, overload alarm and one-key recovery function, one operation platform can be recovered under safe working conditions, and the operation is simple, the vehicle does not have a walking power, clean energy is used as the driving power source of the operation device, operation hazards such as tail gas, noise and vibration can be effectively reduced, the operation environment is improved, and the daily maintenance and maintenance cost is greatly reduced, the vehicle can pass through the small limit of the subway, and can also meet the wider operation range of the urban and intercity lines, and has wide application and stronger adaptability; meanwhile, the demand for multi-point operation is met, and the operation efficiency is high.

[0038] Second embodiment

[0039] Please refer to Figure 12 , Figure 13 and Figure 14 , based on the first embodiment of the application, another new energy driven intelligent urban rail three-platform maintenance operation vehicle is provided in the second embodiment of the application. The second embodiment is only a preferred mode of the first embodiment, and the implementation of the second embodiment will not affect the separate implementation of the first embodiment.

[0040] Specifically, the difference between the new energy driven intelligent urban rail three-platform maintenance operation vehicle provided in the second embodiment of the application is that a protective device 45 is arranged on the outer surface of the chopper reactor 7, the protective device 45 comprises a protective box 451, a setting groove 452, a communication groove 453, a fixed frame 454 and a bolt hole 455, the protective box 451 is arranged on the outer surface of the chopper reactor 7, the setting groove 452 is arranged in the middle of the top of the protective box 451, two communication grooves 453 are arranged on the two sides of the outer surface of the protective box 451, the fixed frame 454 is fixedly installed on the top of the outer surface of the protective box 451, and four bolt holes 455 are arranged on the periphery of the top of the fixed frame 454.

[0041] Both sides of the protection device 45 are provided with heat dissipation devices 46, the heat dissipation device 46 includes a motor box 461, a driving piece 462, an exhaust groove 463, a rotating stick 464 and a cleaning plate 465, the motor box 461 is installed on one side of the setting groove 452, the driving piece 462 is fixedly installed in the middle of the motor box 461, the exhaust groove 463 is opened on the outer surface of the motor box 461, the rotating stick 464 is fixedly connected to one end of the motor box 461, and the cleaning plate 465 is fixedly installed on the outer surface of one side of the rotating stick 464, and the outer surface of the output shaft of the driving piece 462 is provided with a fan blade.

[0042] The driving piece 462 adopts a servo motor structure.

[0043] The working principle of the new energy driven intelligent urban rail three-platform maintenance operation vehicle provided by the application is as follows: In work, first, the protection box 451 is installed on the outer surface of the chopper reactor 7, and the fixed frame 454 is attached to the bottom of the vehicle frame 5, and assembled through the bolt hole 455 and the bolt.

[0044] The output shaft of the driving piece 462 drives the fan blade and the cleaning plate 465 to rotate, the rotation of the fan blade realizes the control of the external airflow entering the setting groove 452 through the communication groove 453 and the exhaust groove 463 to heat the chopper reactor 7, and the heat is discharged through another exhaust groove 463, realizing the exchange of airflow.

[0045] Compared with the related art, the new energy driven intelligent urban rail three-platform maintenance operation vehicle provided by the application has the following beneficial effects: The new energy driven intelligent urban rail three-platform maintenance operation vehicle provided by the application, by cooperation of the driving piece 462 and the fan blade, guides the airflow into the protection box 451, and guides the heat energy released by the chopper reactor 7 in the protection box 451, thereby realizing heat dissipation of the chopper reactor 7, the cleaning plate 465 in the heat dissipation device 46 can clean the dust accumulated on the surface of the protection box 451 under the driving of the rotating stick 464, preventing the dust from affecting the heat dissipation effect, further ensuring the stable work of the chopper reactor in a suitable temperature environment, effectively prolonging the service life of the chopper reactor, the protection device 45 is designed through the fixed frame 454 and the bolt hole 455, facilitating quick installation and disassembly, when the chopper reactor 7 needs to be maintained or replaced, the operator can conveniently remove the protection device, improving the efficiency and convenience of the maintenance operation.

[0046] The above is only an embodiment of the application, and does not limit the patent range of the application, any equivalent structure or equivalent process transformation using the content of the application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the application.

Claims

1. A new energy driven intelligent urban rail three-platform maintenance service vehicle, characterized in that, include: Chassis, rest room, electrical room, low-voltage electrical cabinet, three-platform working device and hook and buffer device; The three-platform working device is located in the middle of the top of the vehicle frame. The three-platform working device includes a leveling mechanism and three platforms, with the three platforms located on the upper part of the leveling mechanism. The three platforms include a main lifting mechanism, a left platform lifting mechanism, a right platform lifting mechanism, a left platform telescopic mechanism, a right platform telescopic mechanism, a ladder, a main platform control box, a main platform, a left platform, a left platform control box, a right platform, and a right platform control box. The left platform telescopic mechanism is located on one side of the main lifting mechanism, and the right platform telescopic mechanism is located on the other side of the main lifting mechanism. The main lifting mechanism is located above the leveling mechanism, the left platform lifting mechanism is located above the left platform telescopic mechanism, and the right platform lifting mechanism is located above the right platform telescopic mechanism. The ladder is located on one side of the outer surface of the main platform. The main platform, the left platform, and the right platform are respectively located on the top of the lifting mechanism. The main platform control box, the left platform control box, and the right platform control box are respectively located on the railings of the main platform, the left platform, and the right platform. The rest room is located on one side of the top of the vehicle frame, the electrical room is located on one side of the rest room, the low-voltage electrical cabinet is located at the rear end of the rest room, and the hook and buffer device is located at both ends of the vehicle frame.

2. The intelligent urban rail three-platform maintenance service vehicle driven by new energy according to claim 1, characterized in that, The top of the vehicle frame is fixedly equipped with guardrails on three sides, and guardrail gates are provided on both sides of the guardrails.

3. The intelligent urban rail three-platform maintenance service vehicle driven by new energy according to claim 1, characterized in that, Tool cabinets are installed on both sides of the interior of the lounge, and access doors are installed on both sides of the exterior of the lounge.

4. The intelligent urban rail three-platform maintenance service vehicle driven by new energy according to claim 1, characterized in that, An electrical room door is located on one side of the electrical room. A tool cabinet is located on one side of the upper part of the electrical room, and an auxiliary inverter is located on the other side. A work area door is located on the other side of the electrical room. Power batteries are installed on both sides of the lower part of the electrical room.

5. The intelligent urban rail three-platform maintenance service vehicle driven by new energy according to claim 1, characterized in that, A control cabinet for the working device is installed on one side of the top of the vehicle frame, and a hydraulic pump station is installed on the other side of the top of the vehicle frame.

6. The intelligent urban rail three-platform maintenance service vehicle driven by new energy according to claim 1, characterized in that, Unpowered bogies are installed at both ends of the bottom of the frame, and chopper reactors and auxiliary battery boxes are installed on both sides of the middle of the bottom of the frame.

7. The intelligent urban rail three-platform maintenance service vehicle driven by new energy according to claim 1, characterized in that, Rail catchers are provided on the left, right, front and rear sides of the bottom of the frame. Return rails are provided on both sides of the unpowered bogie at one end, and a primary and secondary locking device is provided on the other end of the unpowered bogie. A DC1500V charging socket and an AC380V charging socket are provided on both sides of the other side of the bottom of the frame, respectively. A 120-type air braking system is installed through the bottom of the frame, and a return rail conversion box is provided in the middle of one side of the bottom of the frame.

8. The intelligent urban rail three-platform maintenance service vehicle driven by new energy according to claim 1, characterized in that, The frame is equipped with a multiple-connection socket and an AC380V three-phase input socket at each end.

9. The intelligent urban rail three-platform maintenance service vehicle driven by new energy according to claim 6, characterized in that, The outer surface of the chopper reactor is provided with a protective device, which includes a protective box, a mounting slot, a connecting slot, a fixing frame, and bolt holes. The protective box is disposed on the outer surface of the chopper reactor. The mounting slot is opened in the middle of the top of the protective box. Two connecting slots are opened on both sides of the outer surface of the protective box. The fixing frame is fixedly installed on the top of the outer surface of the protective box. Four bolt holes are respectively opened around the top of the fixing frame.

10. A new energy-driven intelligent urban rail three-platform maintenance vehicle according to claim 9, characterized in that, The protective device has heat dissipation devices on both sides inside. The heat dissipation devices include a motor box, a drive component, an exhaust groove, a rotating rod, and a cleaning plate. The motor box is installed inside one side of the groove. The drive component is fixedly installed in the middle of the motor box. The exhaust groove is opened on one side of the outer surface of the motor box. The rotating rod is fixedly connected to one end of the motor box. The cleaning plate is fixedly installed on one side of the outer surface of the rotating rod. The outer surface of the output shaft of the drive component is provided with fan blades.

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