A subway overhead contact network maintenance vehicle

Abstract

The present invention provides a subway high-altitude contact network maintenance work vehicle. The subway high-altitude contact network maintenance work vehicle comprises: a frame that is a base for mounting all parts of the load-bearing vehicle, a power and power-assisted system housed inside a machine room in the middle of the frame, a transmission system adjacent to and drive-connected to the power and power-assisted system, a running gear drive-connected to the transmission system, and an operating device arranged at one end of the frame; the operating device comprises a crank-type operating platform, a contact network detection device, and a rigid suspension automatic inspection device. The subway high-altitude contact network maintenance work vehicle provided by the present invention is a four-axle hydraulic-mechanical transmission subway high-altitude contact network maintenance work vehicle that meets the limits of subway and urban rail vehicles. The vehicle is arranged in the form of a driver's cab at the front end, a machine room and a crank-type operating platform at the rear end, and a contact network detection device and a rigid suspension automatic inspection device are installed on the top of the driver's cab.

Description

Technical Field

[0001] The invention relates to the technical field of urban rail engineering machinery, and in particular to a subway high-altitude contact network maintenance operation vehicle. Background Art

[0002] As the scale, operating speed, operating mileage and operating frequency of urban rail transit in my country continue to increase, the workload of line maintenance and inspection has increased, and the demand for vehicles that meet the requirements of urban rail line maintenance engineering has continued to increase. In order to meet the actual needs of subway and urban rail line construction, it is imperative to develop a more environmentally friendly and economical subway high-altitude overhead contact network maintenance vehicle.

[0003] Therefore, it is necessary to provide a new subway high-altitude contact network maintenance operation vehicle to solve the above-mentioned technical problems. Summary of the invention

[0004] The present invention provides a subway high-altitude overhead contact network maintenance operation vehicle which can meet the needs of overhead contact network maintenance, daily maintenance and overhead contact network detection as well as the needs of high-altitude operations.

[0005] The subway high-altitude contact network maintenance work vehicle provided by the present invention includes: a frame that carries the installation base of all vehicle components, a power and power-assisted system accommodated in a machine room in the middle of the frame, a transmission system adjacent to the power and power-assisted system and driven and connected to the power and power-assisted system, a running gear driven and connected to the transmission system, and an operating device arranged at one end of the frame; the operating device includes a crank-type working platform, a contact network detection device, and a rigid suspension automatic inspection device.

[0006] Preferably, the power and power-assisted system includes an engine disposed at the bottom of the frame, an engine exhaust device and a hydraulic oil radiator disposed on the right side of the frame, an engine air intake device and a water tank housed in the machine room, and an oil supply system disposed at the bottom of the frame.

[0007] Preferably, it also includes a driver's cab located at the other end of the frame, a double-ended driver's console is arranged in the driver's cab, driving safety windshields are arranged at the front and rear ends of the driver's cab, and are equipped with water spray wipers, a driver's seat, a contact network detection control cabinet, a passenger seat, and an air conditioner are arranged in the room, and a door leading to the rear platform is provided at the rear end of the driver's cab.

[0008] Preferably, the transmission system is suspended and installed in the middle of the frame, and includes a hydraulic transmission box connected to the output end of the engine, and an axle gearbox and a wheelset included in the bogie; the output end of the hydraulic transmission box is connected to the input end of the axle gearbox through a transmission shaft.

[0009] Preferably, the running gear adopts a two-axle universal bogie including a first bogie and a second bogie; the first bogie is a non-powered bogie without an axle gearbox, and the second bogie is a powered bogie with an axle gearbox. Safety connection devices are provided between the frames and axle boxes of the first and second bogies, and between the first and second bogies and the frame, so there is no need to bundle the vehicle when lifting or recovering it. A first-series locking device is provided between the frames of the axle boxes of the first bogie, and a second-series locking device is provided between the frame of the first bogie and the frame, so as to prevent the whole vehicle from overturning when operating under leveling conditions.

[0010] Preferably, it also includes a hydraulic system; the hydraulic system includes a heat dissipation drive hydraulic system and an operating platform hydraulic system; the heat dissipation drive hydraulic system gear pump is installed on the engine power take-off port to provide power for hydraulic oil heat dissipation; the operating platform hydraulic system is provided with an emergency pump station, and in the event of a main diesel engine failure, the articulated boom operating platform can be retracted to its initial position within 15 minutes through the emergency pump station.

[0011] Preferably, it also includes a braking system, which adopts a JZ-7G brake machine. The air pipeline is provided with an air purification unit, and the compressed air supplied by the screw air compressor is filtered and stored in an air storage cylinder installed at the lower part of the frame, so as to ensure the normal air supply to the control braking system and the reliability of the operation of each valve component.

[0012] Preferably, it also includes an electrical system, which includes a DC system and an AC system; the DC system mainly includes a DC battery, vehicle DC lighting and electrical control system; the AC system includes an AC generator set installed on the rear platform to power the air conditioner and electric heater in the driver's cab, external sockets installed at both ends of the frame and the platform, and an emergency pump station for the hydraulic system of the working platform.

[0013] Preferably, the articulated boom work platform comprises a slewing mechanism, a main arm, a connecting rod, a second slewing mechanism, a telescopic arm, a connector, a third slewing mechanism and a work platform; the first slewing mechanism is installed on the frame, with a rotation range of 180° (±90°), and is the main component connecting the machine and the locomotive; the second slewing mechanism has a rotation range of 540° (±270°); the telescopic arm is hinged on the second slewing mechanism, and is the most effective component for achieving the lifting height of the platform. The platform is lifted to a certain height or extended to a certain height laterally through the telescopic action between the arms. amplitude; the working platform is installed at the tail of the telescopic arm and is the component that carries the staff. The platform is equipped with lighting, power supply and other facilities to ensure the construction needs; a three-turn mechanism is set at the connection between the working platform and the arm body, and the working platform rotates 180° (±90°) to expand the working range; a three-color running light is installed on the upper part of the machine room, which can warn the working status of the articulated arm working platform in real time; the articulated arm working platform has two sets of control devices, the remote control on the platform and the main control box under the platform, which can control the platform to complete various actions, and the two sets of control devices are interlocked.

[0014] Preferably, it also includes a simulated pantograph, a contact network detection device and a rigid suspension automatic inspection device. The contact network detection device is installed on the top of the driver's cab, and is suitable for comprehensive detection of rigid and flexible suspension contact network parameters of urban rail transit electrified railways, and is used to provide guidance for dynamic review, comprehensive quality assessment and fault diagnosis of the tested line after maintenance; the rigid suspension automatic inspection device is installed on the top of the driver's cab, and is used for installation of subway rigid suspension facilities, dynamic detection after maintenance work and daily inspection and verification.

[0015] Preferably, it also includes an electrical control system; the electrical control system adopts a two-layer distributed network control technology based on CAN+Ethernet, fully utilizes the engine's communication control strategy based on the J1939 protocol, based on the CAN bus distributed network control principle, and adopts DSP and ARM chips as the main processing cores; the display module, multi-channel CAN bus module, AI acquisition module, DI acquisition module and DO output module realize data interaction with each other through the CAN bus, which complies with the CAN2.0B protocol. At the same time, the multi-channel CAN bus module realizes data interaction with the power unit through the CAN bus, which complies with the SAE J1939 protocol.

[0016] Preferably, hooks and buffer devices are installed at both ends of the frame for coupling and traction with other rail vehicles.

[0017] Compared with the related art, the subway high-altitude overhead contact network maintenance vehicle provided by the present invention has the following beneficial effects:

[0018] a) The vehicle is a four-axle hydraulic-mechanical transmission subway overhead contact network maintenance vehicle that meets the limits of subway and urban rail vehicles;

[0019] b) The layout of the vehicle is that the front end is the driver's cab, the rear end is the machine room and the articulated working platform, and the contact network detection device and the rigid suspension automatic inspection device are installed on the top of the driver's cab;

[0020] c) The vehicle is equipped with a crank-type working platform, a pantograph (optional), a contact network detection device, and a rigid suspension automatic inspection device (optional) and other maintenance and operation devices, which can be used for contact network maintenance and daily maintenance, contact network detection, and high-altitude operations;

[0021] d) The electrical control system adopts a network module control system, which is equipped with engine control, running and braking control, safety protection control of various working conditions, auxiliary control, parameter display and fault alarm and remote monitoring system to ensure the safe and reliable operation of the vehicle;

[0022] e) The articulated boom work platform uses three slewing mechanisms, which has a larger operating range and a lower retracted height, meeting both operational needs and subway line limit requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A front view of a subway overhead contact network maintenance vehicle provided by the present invention;

[0024] Figure 2 A top view of the subway overhead contact network maintenance vehicle provided by the present invention;

[0025] Figure 3 This is a diagram showing the operating range of the articulated boom work platform of the present invention;

[0026] Figure 4 A bottom view of the subway overhead contact network maintenance vehicle provided by the present invention. DETAILED DESCRIPTION

[0027] The present invention will be further described below in conjunction with the accompanying drawings and implementation modes.

[0028] Please refer to Figure 1-Figure 4 The subway overhead contact network maintenance vehicle includes: a frame 12 that carries the installation base of all vehicle components, a power and power auxiliary system 9 housed in a machine room 19 in the middle of the frame 12, a transmission system 10 adjacent to the power and power auxiliary system 9 and drivingly connected to the power and power auxiliary system 9, a running gear 11 drivingly connected to the transmission system 10, and an operating device arranged at one end of the frame; the operating device includes a crank-type operating platform 6, a contact network detection device, and a rigid suspension automatic inspection device 2.

[0029] The power and power auxiliary system 9 includes an engine 28 arranged at the bottom of the frame, an engine exhaust device 37 and a hydraulic oil radiator 30 arranged on the right side of the frame 12, an engine air intake device 4 and a water tank 27 accommodated in the machine room 19, and an oil supply system 26 arranged at the lower part of the frame.

[0030] The vehicle frame 12 further comprises a driver's cab 13 disposed at the other end of the vehicle frame 12, wherein the driver's cab 13 is provided with double-end driver consoles 14 and 17, and the front and rear ends of the driver's cab 13 are provided with driving safety windshields and are equipped with water spray wipers, and the interior is provided with a driver's seat 23, a contact network detection control cabinet 15, a passenger seat 16, and an air conditioner 3, and the rear end of the driver's cab 13 is provided with a door 18 leading to a rear platform.

[0031] The transmission system 10 is suspended and installed in the middle of the frame 12, and is connected to the hydraulic transmission box 29 at the output end of the engine 28, and the axle gear boxes 32, 35 and wheelset 33 included in the bogies 24, 34; the output end of the hydraulic transmission box 29 is connected to the input end of the axle gear boxes 32, 35 through the transmission shaft 31.

[0032] The running gear 11 adopts a two-axle universal bogie including a first bogie and a second bogie; the first bogie 24 is a non-powered bogie without an axle gearbox, and the second bogie 34 is a powered bogie with an axle gearbox. Safety connection devices are provided between the frames of the first bogie 24 and the second bogie 34 and the axle box 8, and between the first bogie 24 and the second bogie 34 and the frame 12. No bundling is required when the vehicle is hoisted or relocated. A first-series locking device is provided between the frames of the axle boxes of the first bogie 24, and a second-series locking device is provided between the frame of the first bogie 24 and the frame 12 to prevent the entire vehicle from tipping over when operating under leveling conditions.

[0033] It also includes a hydraulic system 21; the hydraulic system 21 includes a heat dissipation drive hydraulic system and an operating platform hydraulic system; the heat dissipation drive hydraulic system gear pump is installed on the power take-off port of the engine 28 to provide power for hydraulic oil heat dissipation; the operating platform hydraulic system is provided with an emergency pump station 40, in the event of a main diesel engine failure, the articulated boom operating platform can be retracted to its initial position within 15 minutes through the emergency pump station.

[0034] It also includes a braking system 38, which adopts a JZ-7G brake machine. The air pipeline is provided with an air purification unit 25, which filters the compressed air supplied by the screw air compressor and stores it in an air storage cylinder 41 installed at the lower part of the frame, so as to ensure the normal air supply of the control braking system and the reliability of the operation of each valve component.

[0035] It also includes an electrical system 22, which includes a DC system and an AC system; the DC system mainly includes a DC battery 39, a DC lighting and electrical control system for the entire vehicle; the AC system includes an AC generator set 7 installed on the rear platform to supply power to the air conditioner 3 and electric heater in the driver's room, external sockets installed at both ends of the frame and the platform, and an emergency pump station 40 for the hydraulic system of the working platform.

[0036] The articulated work platform 6 includes a slewing mechanism 49, a main arm 47, a connecting rod 48, a second slewing mechanism 46, a telescopic arm 45, a connecting body 43, a third slewing mechanism 44 and a work platform 42; the first slewing mechanism 49 is installed on the frame 12, with a rotation range of 180° (±90°), and is the main component connecting the machine and the locomotive; the second slewing mechanism 46 has a rotation range of 540° (±270°); the telescopic arm 45 is hinged on the second slewing mechanism 46, and is the most effective component for achieving the lifting height of the platform. The platform is lifted to a certain height or sideways through the telescopic action between the arms. Extended to a certain extent; the working platform 42 is installed at the tail of the telescopic arm 45, and is a component that carries the staff. The platform is equipped with lighting, power supply and other facilities to ensure construction needs; a three-slewing mechanism 44 is set at the connection between the working platform 42 and the arm body, and the working platform 42180° (±90°) rotates to expand the working range; a three-color running light 5 is installed on the upper part of the machine room, which can warn the working status of the articulated arm working platform in real time; the articulated arm working platform 6 has two sets of control devices, the remote control on the platform and the main control box 20 under the platform, which can control the platform to complete various actions, and the two sets of control devices are interlocked.

[0037] It also includes a simulated pantograph 1, a contact network detection device and a rigid suspension automatic inspection device 2. The contact network detection device is installed on the top of the driver's cab and is suitable for comprehensive detection of rigid and flexible suspension contact network parameters of urban rail transit electrified railways, and is used to provide guidance for dynamic review, comprehensive quality assessment and fault diagnosis of the tested line after maintenance; the rigid suspension automatic inspection device 2 is installed on the top of the driver's cab and is used for installation of subway rigid suspension facilities, dynamic detection after maintenance work and daily inspection and verification.

[0038] It also includes an electrical control system; the electrical control system adopts a CAN+Ethernet double-layer distributed network control technology, fully utilizes the engine's communication control strategy based on the J1939 protocol, based on the CAN bus distributed network control principle, and adopts DSP and ARM chips as the main processing cores; the display module, multi-channel CAN bus module, AI acquisition module, DI acquisition module and DO output module, realize data interaction with each other through the CAN bus, which complies with the CAN2.0B protocol. At the same time, the multi-channel CAN bus module realizes data interaction with the power unit through the CAN bus, which complies with the SAE J1939 protocol.

[0039] The two ends of the frame 12 are equipped with a hook and a buffer device 36 for coupling and traction with other rail vehicles.

[0040] Compared with the related art, the subway high-altitude overhead contact network maintenance vehicle provided by the present invention has the following beneficial effects:

[0041] a) The vehicle is a four-axle hydraulic-mechanical transmission subway overhead contact network maintenance vehicle that meets the limits of subway and urban rail vehicles;

[0042] b) The layout of the vehicle is that the front end is the driver's cab, the rear end is the machine room and the articulated working platform, and the contact network detection device and the rigid suspension automatic inspection device are installed on the top of the driver's cab;

[0043] c) The vehicle is equipped with a crank-type working platform, a pantograph (optional), a contact network detection device, and a rigid suspension automatic inspection device (optional) and other maintenance and operation devices, which can be used for contact network maintenance and daily maintenance, contact network detection, and high-altitude operations;

[0044] d) The electrical control system adopts a network module control system, which is equipped with engine control, running and braking control, safety protection control of various working conditions, auxiliary control, parameter display and fault alarm and remote monitoring system to ensure the safe and reliable operation of the vehicle;

[0045] e) The articulated boom work platform uses three slewing mechanisms, which has a larger operating range and a lower retracted height, meeting both operational needs and subway line limit requirements.

[0046] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A subway overhead contact network maintenance vehicle, characterized in that: include: A vehicle frame (12) that supports the installation base of all vehicle components, a power and power-assisted system (9) housed in a machine room (19) in the middle of the vehicle frame (12), a transmission system (10) adjacent to the power and power-assisted system (9) and drivingly connected to the power and power-assisted system (9), a running gear (11) drivingly connected to the transmission system (10), and an operating device arranged at one end of the vehicle frame; the operating device comprises a crank-type operating platform (6), a contact network detection device, and a rigid suspension automatic inspection device (2); the power and power-assisted system (9) comprises a The vehicle comprises an engine (28), an engine exhaust device (37) and a hydraulic oil radiator (30) arranged on the right side of the vehicle frame (12), an engine air intake device (4) and a water tank (27) accommodated in the machine room (19), and an oil supply system (26) arranged at the lower part of the vehicle frame; and a driver's cab (13) arranged at the other end of the vehicle frame (12), a double-end driver's console (14, 17) arranged in the driver's cab (13), driving safety windshields arranged at the front and rear ends of the driver's cab (13), and equipped with water spray wipers, a driver's seat (23), a contact network detection control cabinet (15), and a passenger compartment (17). The vehicle comprises a passenger seat (16) and an air conditioner (3); the rear end of the driver's cab (13) is provided with a door (18) leading to a rear platform; the transmission system (10) is suspended and mounted in the middle of the vehicle frame (12), and comprises a hydraulic transmission box (29) connected to the output end of the engine (28), and an axle gear box (32, 35) and a wheel pair (33) included in the bogie; the output end of the hydraulic transmission box (29) is connected to the input end of the axle gear box (32, 35) via a transmission shaft (31); the running gear (11) adopts a two-axle universal bogie comprising a first bogie and a second bogie; the first bogie (24) The invention relates to a non-powered bogie without an axle gearbox, and the second bogie (34) is a powered bogie with an axle gearbox. Safety connection devices are provided between the frames of the first bogie (24) and the second bogie (34) and the axle box (8), and between the first bogie (24) and the second bogie (34) and the vehicle frame (12). No bundling is required when the vehicle is hoisted or re-raised. A first-line locking device is provided between the frames of the axle box of the first bogie (24), and a second-line locking device is provided between the frame of the first bogie (24) and the vehicle frame (12) to prevent the entire vehicle from tipping over when the vehicle is operating under leveling conditions.

2. The subway overhead contact network maintenance vehicle according to claim 1 is characterized in that: It also includes a hydraulic system (21); the hydraulic system (21) includes a heat dissipation drive hydraulic system and a work platform hydraulic system; the heat dissipation drive hydraulic system gear pump is installed on the power take-off port of the engine (28) to provide power for hydraulic oil heat dissipation; the work platform hydraulic system is provided with an emergency pump station (40), and in the event of a main diesel engine failure, the articulated boom work platform can be retracted to its initial position within 15 minutes through the emergency pump station.

3. The subway overhead contact network maintenance vehicle according to claim 1, characterized in that: The vehicle also includes a braking system (38), wherein the braking system (38) uses a JZ-7G brake machine, and an air purification unit (25) is provided in the air pipeline to filter the compressed air supplied by the screw air compressor and store it in an air storage cylinder (41) installed at the bottom of the vehicle frame, thereby ensuring that the air supply of the braking system is normal and that the reliability of the operation of each valve component is ensured.

4. The subway overhead contact network maintenance vehicle according to claim 1, characterized in that: It also includes an electrical system (22), the electrical system (22) includes a DC system and an AC system; the DC system mainly includes a DC battery (39), a DC lighting and electrical control system for the entire vehicle; the AC system includes an AC generator set (7) installed on the rear platform to supply power to the air conditioner (3) and electric heater in the driver's cabin, external sockets installed at both ends of the frame and the platform, and an emergency pump station (40) for the hydraulic system of the working platform.

5. The subway overhead contact network maintenance vehicle according to claim 1, characterized in that: The articulated boom work platform (6) comprises a first slewing mechanism (49), a main arm (47), a connecting rod (48), a second slewing mechanism (46), a telescopic arm (45), a connecting body (43), a third slewing mechanism (44) and a work platform (42); the first slewing mechanism (49) is mounted on the vehicle frame (12) and has a slewing range of 180°, and is the main component for connecting the machine and the locomotive; the second slewing mechanism (46) has a slewing range of 540°; the telescopic arm (45) is hinged on the second slewing mechanism (46) and is the most effective component for achieving the lifting height of the platform. The platform is lifted to a certain height through the telescopic action between the arms. or extended sideways to a certain extent; the working platform (42) is installed at the tail of the telescopic arm (45) and is a component for carrying workers. The platform is equipped with lighting and power supply facilities to ensure construction needs; a three-swivel mechanism (44) is provided at the connection between the working platform (42) and the arm body, and the working platform (42) rotates 180 degrees to expand the working range; a three-color operating light (5) is installed on the upper part of the machine room to warn the working status of the articulated arm working platform in real time; the articulated arm working platform (6) has two sets of control devices, namely a remote control on the platform and a main control box (20) under the platform, which can control the platform to complete various actions, and the two sets of control devices are interlocked.

6. The subway overhead contact network maintenance vehicle according to claim 3, characterized in that: It also includes a simulated pantograph (1), a contact network detection device and a rigid suspension automatic inspection device (2), wherein the contact network detection device is installed on the top of the driver's cab and is suitable for cold sliding tests on urban rail transit lines; the contact network detection device is installed on the top of the driver's cab and is suitable for comprehensive detection of rigid and flexible suspension contact network parameters of urban rail transit electrified railways, and is used to provide guidance for dynamic review, comprehensive quality assessment and fault diagnosis of the tested line after maintenance; the rigid suspension automatic inspection device (2) is installed on the top of the driver's cab and is used for installation of subway rigid suspension facilities, dynamic detection after maintenance operations and daily inspection and verification.

7. The subway overhead contact network maintenance vehicle according to claim 1, characterized in that: It also includes an electrical control system; the electrical control system adopts a CAN+Ethernet double-layer distributed network control technology, fully utilizes the engine's communication control strategy based on the J1939 protocol, based on the CAN bus distributed network control principle, and adopts DSP and ARM chips as the main processing cores; the display module, multi-channel CAN bus module, AI acquisition module, DI acquisition module and DO output module, realize data interaction with each other through the CAN bus, which complies with the CAN2.0B protocol. At the same time, the multi-channel CAN bus module realizes data interaction with the power unit through the CAN bus, which complies with the SAE J1939 protocol.

8. The subway overhead contact network maintenance vehicle according to claim 1, characterized in that: Hooks and buffer devices (36) are installed at both ends of the vehicle frame (12) for coupling and traction with other rail vehicles.

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