Overhead line maintenance train

Abstract

Provided is a catenary maintenance vehicle train, wherein a lifting work platform is provided on the top of tractor I, tractor II and multiple work vehicles or the top of multiple work vehicles, and each lifting work platform is connected to each other after being raised to form a through work platform, and the through work platform is provided with an auxiliary work platform with a self-propelled function, and the multiple work vehicles are provided with an emergency operation cabinet for controlling the through work platform in the room, and tractor I, tractor II and multiple work vehicles are heat-insulating and noise-reducing structures. The present invention improves the heat preservation, heat insulation and noise reduction performance of the vehicle body, is suitable for meeting the needs of catenary maintenance operations in high-cold and high-temperature environments, and greatly improves the living conditions of employees. The through work platform is equipped with an auxiliary work platform with a self-propelled function, achieving a maximum operating height of ≥6600mm, meeting the maintenance and repair of the catenary load-bearing cables, saving manpower and material resources, and greatly improving the efficiency of the catenary maintenance operation.

Description

Technical Field

[0001] The invention belongs to the technical field of railway engineering vehicles, and in particular relates to a contact network maintenance operation vehicle train. Background Art

[0002] At present, the centralized maintenance of domestic overhead contact network adopts multiple single-internal combustion-driven single-operating platform vehicles to form a group of vehicles for operation or adopts the application number 201410127476.1, the invention name of electrified railway overhead contact network maintenance train to implement the operation. The former operation mode requires twice the number of drivers to go out, and has the defects of low operation efficiency, complex management, poor living conditions, large engine pollution, and weak braking force on long downhill slopes; the latter is composed of 2 internal combustion hydraulic transmission traction vehicles and 8 or 10 work vehicles, which improves the operation efficiency and the living conditions of employees compared with the former, but still has the problems of poor uphill ability and weak braking force on long slopes; the whole machine of the two modes cannot meet the maximum 33‰ slope start; the whole machine of the two modes adopts foaming to fill the walls and floors of the vehicle body, and the thermal insulation and noise reduction performance The fuel tank and water tank of the whole vehicle have small capacity, which can only meet the maximum operating conditions of 8 hours, and cannot meet the "window" time requirement for the maintenance of the load-bearing cable; the brake shoe wears when going downhill on a long slope, resulting in weakened braking force and reduced braking performance, and the brake cylinder stroke is frequently adjusted. Every time the vehicle goes out and returns to the warehouse, the brake cylinder stroke needs to be manually adjusted in place; the whole vehicle has simple living and entertainment facilities to meet the needs of the operators, and it is impossible to connect to the Internet via the Internet and wireless WiFi on the vehicle; the emergency operation equipment of the vehicle's operating device is set under the vehicle or in the open air area on the vehicle, and there is a problem of emergency reset at high platforms, adjacent lines, and rainy days; the former sets up a single working platform, which cannot realize the through operation in the contact network area, and the latter sets up a through working platform, but cannot realize the maintenance of the load-bearing cable, etc. It is necessary to make improvements to the above problems. Summary of the invention

[0003] The technical problem solved by the present invention is: to provide a contact network maintenance operation train, in which an auxiliary operation platform with a self-propelled function is provided on the through operation platform, so as to achieve a maximum operation height ≥ 6600mm, meet the maintenance of the contact network load-bearing cables, save manpower and material resources, greatly improve the efficiency of the contact network maintenance operation, reduce the labor intensity of the centralized power supply maintenance operation, and improve the scope and efficiency of the centralized power supply maintenance operation.

[0004] The technical solution adopted by the present invention is as follows: a contact network maintenance work vehicle train is composed of a tractor I, a tractor II and a plurality of work vehicles arranged between the tractor I and the tractor II, wherein the tractor I, the tractor II and the plurality of work vehicles are connected by a coupler and a canopy windshield, a lifting work platform is provided on the top of the tractor I, the tractor II and the plurality of work vehicles or on the top of the plurality of work vehicles, and each lifting work platform is interconnected to form a through work platform after being raised, an auxiliary work platform with a self-propelled function is provided on the through work platform, an emergency operation cabinet for controlling the through work platform is provided in the interior of the plurality of work vehicles, and the tractor I, the tractor II and the plurality of work vehicles are of a heat-insulating and noise-reducing structure.

[0005] Among them, the tractor I and tractor II are both power vehicles and the upper part of the frame of tractor I and tractor II are equipped with an engine, a hydraulic transmission box and an auxiliary generator set. The auxiliary generator set provides operation and living electricity for multiple work vehicles and the power of the auxiliary generator set is ≥2×240kW. The locomotive axle type of tractor I and tractor II is a traction mode, and the bottom of the frame of multiple work vehicles is equipped with a non-powered bogie and the axle type of multiple work vehicles is a 2-2 mode.

[0006] Furthermore, the body and floor interlayer of the tractor I, tractor II and multiple work vehicles are provided with carbon fiber cotton material for improving the thermal insulation and noise reduction performance of the whole vehicle.

[0007] Preferably, the multiple work vehicles include a material vehicle, a tool vehicle, a cooking vehicle, a dining vehicle, multiple camping vehicles, a conference vehicle and an office command vehicle. The frame of the material vehicle is provided with a workbench and a material rack; the frame of the tool vehicle is provided with a tool cabinet and a tool rack; the frame of the cooking vehicle is provided with a storage area, a kitchen area and a meal picking area; the frame of the dining vehicle is provided with a dining table and chairs; the frame of the camping vehicle is provided with a sleeping compartment and a toilet; the frame of the conference vehicle is provided with a conference room; the tractor I, tractor II and multiple work vehicles are provided with a centralized safety command system and a G network information system.

[0008] Preferably, the multiple work vehicles include a material vehicle, a cooking vehicle, a dining vehicle, multiple camping vehicles, a conference vehicle and an office command vehicle. The frame of the material vehicle is provided with a workbench and a material rack; the frame of the cooking vehicle is provided with a storage area, a kitchen area and a meal collection area; the frame of the dining vehicle is provided with a dining table and chairs; the frame of the camping vehicle is provided with a sleeping compartment and a toilet; the frame of the conference vehicle is provided with a conference room; the tractor I, tractor II and multiple work vehicles are provided with a centralized safety command system and a G network information system.

[0009] Furthermore, the tractor I, tractor II, material vehicle and office command vehicle are all equipped with fuel tanks, and the total capacity of the multiple fuel tanks is ≥9000L. The tractor I and tractor II are automatically refueled through the material and office command vehicles respectively. The bottoms of the tool vehicle, cooking vehicle, dining vehicle, multiple camping vehicles and conference vehicles are all equipped with interconnected domestic water tanks, and the total capacity of the multiple domestic water tanks is ≥14400L.

[0010] Furthermore, the climbing ladder of the through-working platform adopts two climbing methods: a hydraulic automatic lifting ladder installed on the material vehicle and a fixed climbing ladder installed on the office command vehicle; the fixed climbing ladder is a stepped structure with a climbing slope ≤40°, the fixed climbing ladder is installed in the office command vehicle and the upper end of the fixed climbing ladder is located at the climbing opening on the roof of the office command vehicle.

[0011] Furthermore, the through working platform is provided with a herringbone ladder or an auxiliary working platform with automatic sliding and lifting function, the auxiliary working platform includes a connecting rod, a working platform, a telescopic ladder, an electric push rod, a transverse motor and a longitudinal motor, the working platform is located above the through working platform and the left and right ends of the bottom of the working platform are respectively hinged to the telescopic ladder and the upper end of the connecting rod, the lower ends of the telescopic ladder and the connecting rod are respectively hinged to the two ends of the base, the telescopic end of the electric push rod on the base is hinged to the connecting rod, and the telescopic end of the electric push rod drives the connecting rod to rotate as the center of the lower end hinge to realize the lifting and lowering of the working platform, wherein the telescopic ladder includes a ladder frame I and a ladder frame II rotatably connected to a ladder plate, the ladder frame II is located above the ladder frame I and the inner end of the ladder plate is rotatably connected to the ladder frame I, the ladder frame The lower end of Ⅰ is hinged on the base and the upper end of ladder frame Ⅱ is hinged on the working platform. After the telescopic end of the electric push rod is extended or shortened, the ladder plate can be unfolded and used after the working platform rises, or the ladder plate can be folded and stored after the working platform descends. A rack is laid on the trolley under the base, and the gear on the output shaft of the transverse motor on the base is meshed with the rack to realize the lateral movement of the lower base on the trolley driven by the transverse motor along the X-shaped guide rail. The longitudinal motor is arranged on the trolley and the gear on the output shaft of the longitudinal motor is meshed with the rack laid on the through working platform to realize the longitudinal movement of the trolley driven by the longitudinal motor. The through working platform is provided with a T-shaped guide rail, and the guide wheel arranged at the bottom of the trolley is adapted to the T-shaped guide rail and rolls along the length direction of the T-shaped guide rail to realize the rolling connection between the trolley and the through working platform.

[0012] Furthermore, an electric screw air compressor is provided at the bottom of the material vehicle frame and the electric screw air compressor is connected with toilets in a plurality of camping vehicles through ventilation ducts to realize overall air supply to the toilets in the camping vehicles.

[0013] Furthermore, the installed power of the overhead line maintenance operation train is ≥2200kW.

[0014] The advantages of the present invention compared with the prior art are:

[0015] 1. The through-working platform climbing ladder of this technical solution adopts two types: hydraulic automatic lifting ladder and fixed climbing ladder. The hydraulic automatic lifting ladder can realize automatic climbing of personnel or materials, and the fixed climbing ladder can achieve a climbing slope of ≤40°. A herringbone ladder or an auxiliary working platform with automatic sliding lifting is set on the top of the through-working platform, which meets the inspection and maintenance of the contact network load-bearing cables, and achieves a maximum operating height of ≥6600mm, which meets the inspection and maintenance of the contact network load-bearing cables, saves manpower and material resources, and greatly improves the working efficiency;

[0016] 2. This technical solution provides an electric screw air compressor at the bottom of the material truck frame, and the electric screw air compressor is connected to the toilets in multiple camping cars through ventilation ducts to realize the overall air supply of the toilets in the camping cars, which greatly reduces the noise of camping at night and reduces the frequency of starting the air compressor;

[0017] 3. The installed power of the overhead line maintenance train of this technical solution is ≥2200kW, which can meet the maximum 33‰ slope start and operation requirements. The car body is filled with carbon fiber cotton, which improves the car body's thermal insulation, heat insulation and noise reduction performance;

[0018] 4. In this technical solution, tractor Ⅰ and tractor Ⅱ as well as multiple working vehicles are equipped with 4G networks indoors, which enables workers to surf the Internet on computers and use unlimited WiFi on mobile phones, thus achieving "seamless" communication in work, meetings, offices and platforms, and meeting the life and entertainment needs of construction workers;

[0019] 5. The bogie basic brake device of this technical solution is equipped with a brake shoe adjuster to realize automatic adjustment of the brake shoe gap, saving manpower adjustment, meeting the normal downhill braking requirements of long and long downhill roads with a slope of ≥33‰ and a mileage of ≥10km, and improving the braking capacity of the entire train on long downhill roads;

[0020] 6. The technology party has installed a lifting work platform on the top of multiple work vehicles between tractor Ⅰ and tractor Ⅱ, so that the platform can reach a through-operation distance of 175m, which can meet the maintenance of the contact network of three spans;

[0021] 7. This technical solution is equipped with ≥2×240kW auxiliary generator sets on the frames of tractor Ⅰ and tractor Ⅱ, which can be powered by a single machine or two machines in parallel to meet the power needs of train operation and living conditions; an emergency operation cabinet is set in the operating car to avoid the risk of emergency reset operation on high platforms or adjacent lines;

[0022] 8. This technical solution installs fuel tanks on tractor Ⅰ, tractor Ⅱ, material vehicle and office command vehicle, with a total capacity of 9000L. The material vehicle can automatically refill oil to tractor Ⅰ, and the office command vehicle can automatically refill oil to tractor Ⅱ. Domestic water tanks are installed under other vehicles, with a total capacity of 14400L. The vehicles can refill water with each other, so that the maximum operating condition of the whole train can be ≥13h, and the domestic water replenishment cycle of the whole train can be ≥15 days. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of a first embodiment of the present invention;

[0024] Figure 2 It is a structural schematic diagram of a second embodiment of the present invention;

[0025] Figure 3 It is a structural schematic diagram of the liquid fixed climbing ladder of the present invention;

[0026] Figure 4 It is a structural schematic diagram of the hydraulic automatic elevator of the present invention;

[0027] Figure 5 It is a structural schematic diagram of the auxiliary working platform of the present invention. DETAILED DESCRIPTION

[0028] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be understood as a limitation on the present invention.

[0029] The following is combined with Figure 1 , 3 , 4, and 5 describe the first embodiment of the present invention, so as to clearly and completely describe the technical solution. Obviously, the described embodiment is only a part of the embodiments of the present invention, rather than all the embodiments.

[0030] Overhead maintenance trains, such as Figure 1As shown, it is composed of a tractor Ⅰ1, a tractor Ⅱ9 and a plurality of working vehicles arranged between the tractor Ⅰ1 and the tractor Ⅱ9, the tractor Ⅰ1, the tractor Ⅱ9 and the plurality of working vehicles are connected by a coupler and a canopy windshield 10, the tops of the plurality of working vehicles are provided with a lifting working platform 11 and the lifting working platforms 11 are mutually connected to form a through working platform after being raised, the through working platform is provided with an auxiliary working platform 14 with a self-propelled function, the plurality of working vehicles are provided with an emergency operating cabinet for controlling the through working platform in the room, and the tractor Ⅰ1, the tractor Ⅱ9 and the plurality of working vehicles are of a heat-insulating and noise-reducing structure; specifically, the tractor Ⅰ1 and the tractor Ⅱ9 are both power vehicles and the upper part of the frame of the tractor Ⅰ1 and the tractor Ⅱ9 are provided with an engine, a hydraulic transmission box and an auxiliary generator set, the auxiliary generator set provides electricity for operation and life for the plurality of working vehicles and the power of the auxiliary generator set is ≥2×240kW, the locomotive axle type of the tractor Ⅰ1 and the tractor Ⅱ9 are In the traction mode, a non-powered bogie is provided at the bottom of the frame of the multiple working vehicles and the axle type of the multiple working vehicles is a 2-2 mode; specifically, the body and bottom plate interlayer of the tractor Ⅰ1, tractor Ⅱ9 and multiple working vehicles are provided with carbon fiber cotton material for improving the thermal insulation and noise reduction performance of the whole vehicle; specifically, the multiple working vehicles include a material vehicle 2, a tool vehicle 3, a cooking vehicle 4, a dining vehicle 5, multiple camping vehicles 6, a conference vehicle 7 and an office command vehicle 8, the frame of the material vehicle 2 is provided with a workbench and a material rack; the frame of the tool vehicle 3 is provided with a tool cabinet and a tool rack, the frame of the cooking vehicle 4 is provided with a storage area, a kitchen area and a dining area, the frame of the dining vehicle 5 is provided with a dining table and seats, The frame of the camping car 6 is provided with a sleeping compartment and a toilet, the frame of the conference car 7 is provided with a conference room, and the tractor Ⅰ1, tractor Ⅱ9 and multiple working vehicles are provided with a centralized safety command system and a G network information system; specifically, the tractor Ⅰ1, tractor Ⅱ9, material car 2 and office command car 8 are all provided with fuel tanks, and the total volume of the multiple fuel tanks is ≥9000L, the tractor Ⅰ1 and tractor Ⅱ9 are automatically refueled by the material car 2 and the office command car 8 respectively, and the bottoms of the tool car 3, the cooking car 4, the dining car 5, multiple camping cars 6 and the conference car 7 are all provided with interconnected living water tanks, and the total volume of the multiple living water tanks is ≥14400L; specifically, as Figure 3-4 As shown, the climbing ladder of the through-working platform adopts two climbing modes: a hydraulic automatic lifting ladder 13 provided on the material vehicle 2 and a fixed climbing ladder 12 provided on the office command vehicle 8; the fixed climbing ladder 12 is a stepped structure with a climbing slope of ≤40°, the fixed climbing ladder 12 is provided in the office command vehicle 8 and the upper end of the fixed climbing ladder 12 is located at the climbing opening on the roof of the office command vehicle 8; specifically, the through-working platform is provided with a herringbone ladder or an auxiliary working platform 14 with an automatic sliding lifting function, such as Figure 5As shown, the auxiliary working platform 14 includes a connecting rod 14-1, a working platform 14-2, a telescopic ladder 14-3, an electric push rod 14-4, a transverse motor 14-5 and a longitudinal motor 14-6. The working platform 14-2 is located above the through working platform and the left and right ends of the bottom of the working platform 14-2 are respectively hinged to the telescopic ladder 14-3 and the upper end of the connecting rod 14-1, the lower ends of the telescopic ladder 14-3 and the connecting rod 14-1 are respectively hinged to the two ends of the base 14-7, the telescopic end of the electric push rod 14-4 on the base 14-7 is hinged to the connecting rod 14-1, and the electric push rod 14-4 is extended and connected to the connecting rod 14-1. The telescopic end of the telescopic drive connecting rod 14-1 rotates around the hinged part at the lower end to realize the lifting and lowering of the working platform 14-2, wherein the telescopic ladder 14-3 includes a ladder frame I 14-10 and a ladder frame II 14-12 rotatably connected to a ladder plate 14-11, the ladder frame II 14-12 is located above the ladder frame I 14-10 and the inner end of the ladder plate 14-11 is rotatably connected to the ladder frame I 14-10, the lower end of the ladder frame I 14-10 is hinged on the base 14-7 and the upper end of the ladder frame II 14-12 is hinged on the working platform 14-2, and the telescopic end of the electric push rod 14-4 is extended or shortened. After the working platform 14-2 rises, the ladder plate 14-11 can be unfolded and used, or the ladder plate 14-11 can be folded and stored after the working platform 14-2 is lowered; a rack is laid on the trolley 14-8 under the base 14-7, and the gear on the output shaft of the transverse motor 14-5 on the base 14-7 is meshed with the rack to realize the transverse motor 14-5 driving the lower base 14-7 to move laterally along the X-shaped guide rail 14-9 on the trolley 14-8, and the longitudinal motor 14-6 is arranged on the trolley 14-8, and the gear on the output shaft of the longitudinal motor 14-6 is meshed with the rack laid on the through working platform. The longitudinal movement of the trolley 14-8 driven by the longitudinal motor 14-6 is realized, a T-shaped guide rail is provided on the through working platform, and the guide wheel 14-13 arranged at the bottom of the trolley 14-8 is adapted to the T-shaped guide rail and rolls along the length direction of the T-shaped guide rail to realize the rolling connection between the trolley 14-8 and the through working platform; specifically, an electric screw air compressor is provided at the bottom of the frame of the material vehicle 2, and the electric screw air compressor is connected with the toilets in multiple camping cars 6 through ventilation ducts to realize the overall air supply of the toilets of the camping cars 6; specifically, the installed power of the contact network maintenance operation train is ≥2200kW.

[0031] The above structure is a catenary maintenance train with two moving and ten towing sections and twelve sections. It adopts two centralized power traction modes, traction vehicle Ⅰ1 and traction vehicle Ⅱ9, to tow the whole vehicle, so that its maximum operating speed on a 30‰ slope is ≥25km / h, and its maximum operating speed on a 33‰ slope is ≥20km / h.

[0032] The following is combined with Figure 2-5The second embodiment of the present invention is described to clearly and completely describe the technical solution. Obviously, the described embodiment is only a part of the embodiments of the present invention, rather than all the embodiments.

[0033] Overhead maintenance trains, such as Figure 2 As shown, it is composed of a tractor Ⅰ1, a tractor Ⅱ9 and a plurality of working vehicles arranged between the tractor Ⅰ1 and the tractor Ⅱ9, the tractor Ⅰ1, the tractor Ⅱ9 and the plurality of working vehicles are connected by a coupler and a canopy windshield 10, the through working platform on the top of the tractor Ⅰ1, the tractor Ⅱ9 and the plurality of working vehicles is provided with an auxiliary working platform 14 with a self-propelled function, the plurality of working vehicles are provided with an emergency operating cabinet for controlling the through working platform in the room, and the tractor Ⅰ1, the tractor Ⅱ9 and the plurality of working vehicles are of a heat-insulating and noise-reducing structure; specifically, the tractor Ⅰ1 and the tractor Ⅱ9 are both power vehicles and the upper part of the frame of the tractor Ⅰ1 and the tractor Ⅱ9 are provided with an engine, a hydraulic transmission box and an auxiliary generator set, the auxiliary generator set provides electricity for operation and life for the plurality of working vehicles and the power of the auxiliary generator set is ≥2×240kW, the locomotive axle type of the tractor Ⅰ1 and the tractor Ⅱ9 are The traction mode is that a non-powered bogie is provided at the bottom of the frame of the multiple working vehicles and the axle type of the multiple working vehicles is a 2-2 mode; specifically, the body and bottom plate interlayer of the tractor Ⅰ1, tractor Ⅱ9 and multiple working vehicles are provided with carbon fiber cotton material for improving the thermal insulation and noise reduction performance of the whole vehicle; specifically, the multiple working vehicles include a material vehicle 2, a cooking vehicle 4, a dining vehicle 5, multiple camping vehicles 6, a conference vehicle 7 and an office command vehicle 8, and the frame of the material vehicle 2 is provided with a workbench and a material rack; the frame of the cooking vehicle 4 is provided with a storage area, a kitchen area and a dining area, the frame of the dining vehicle 5 is provided with a dining table and chairs, and the frame of the camping vehicle 6 is provided with a sleeping The conference car 7 has a conference room on its frame, and the tractor Ⅰ1, tractor Ⅱ9 and multiple work vehicles are equipped with a centralized safety command system and a G network information system; specifically, the tractor Ⅰ1, tractor Ⅱ9, material vehicle 2 and office command vehicle 8 are all equipped with fuel tanks, and the total volume of multiple fuel tanks is ≥9000L, the tractor Ⅰ1 and tractor Ⅱ9 are automatically refueled by the material vehicle 2 and the office command vehicle 8 respectively, and the bottoms of the tool vehicle 3, cooking vehicle 4, dining vehicle 5, multiple camping vehicles 6 and conference vehicle 7 are all equipped with interconnected living water tanks, and the total volume of multiple living water tanks is ≥14400L; specifically, Figure 3-4As shown, the climbing ladder of the through-working platform adopts two climbing modes: a hydraulic automatic lifting ladder 13 provided on the material vehicle 2 and a fixed climbing ladder 12 provided on the office command vehicle 8; specifically, the fixed climbing ladder 12 is a stepped structure with a climbing slope of ≤40°, and the fixed climbing ladder 12 is provided in the office command vehicle 8 and the upper end of the fixed climbing ladder 12 is located at the climbing opening on the roof of the office command vehicle 8; specifically, as Figure 5 As shown, the through-working platform is provided with a herringbone ladder or an auxiliary working platform 14 with automatic sliding and lifting function, and the auxiliary working platform 14 includes a connecting rod 14-1, a working platform 14-2, a telescopic ladder 14-3, an electric push rod 14-4, a transverse motor 14-5 and a longitudinal motor 14-6. The working platform 14-2 is located above the through-working platform and the left and right ends of the bottom of the working platform 14-2 are respectively hinged to the telescopic ladder 14-3 and the upper end of the connecting rod 14-1, the lower ends of the telescopic ladder 14-3 and the connecting rod 14-1 are respectively hinged to the two ends of the base 14-7, and the electric push rod 14 on the base 14-7 is hinged. -4 telescopic end is hinged with the connecting rod 14-1, and the telescopic end of the electric push rod 14-4 drives the connecting rod 14-1 to rotate around the hinge at the lower end to realize the lifting and lowering of the working platform 14-2, wherein the telescopic ladder 14-3 includes a ladder frame I 14-10 and a ladder frame II 14-12 rotatably connected with a ladder plate 14-11, the ladder frame II 14-12 is located above the ladder frame I 14-10 and the inner end of the ladder plate 14-11 is rotatably connected to the ladder frame I 14-10, the lower end of the ladder frame I 14-10 is hinged on the base 14-7 and the upper end of the ladder frame II 14-12 is hinged on the working platform 14-2, After the telescopic end of the electric push rod 14-4 is extended or shortened, the ladder plate 14-11 can be unfolded and used after the working platform 14-2 rises, or the ladder plate 14-11 can be folded and stored after the working platform 14-2 falls; a rack is laid on the trolley 14-8 under the base 14-7, and the gear on the output shaft of the transverse motor 14-5 on the base 14-7 is meshed with the rack to realize that the transverse motor 14-5 drives the lower base 14-7 to move horizontally along the X-shaped guide rail 14-9 on the trolley 14-8, and the longitudinal motor 14-6 is arranged on the trolley 14-8, and the gear on the output shaft of the longitudinal motor 14-6 is meshed with the gear on the output shaft of the through-working The rack meshing on the working platform realizes the longitudinal movement of the trolley 14-8 driven by the longitudinal movement motor 14-6, and the through working platform is provided with a T-shaped guide rail and the guide wheel 14-13 arranged at the bottom of the trolley 14-8 is adapted to the T-shaped guide rail and rolls along the length direction of the T-shaped guide rail to realize the rolling connection between the trolley 14-8 and the through working platform; specifically, an electric screw air compressor is provided at the bottom of the frame of the material vehicle 2 and the electric screw air compressor is connected with the toilets in multiple camping vehicles 6 through ventilation ducts to realize the overall air supply of the toilets of the camping vehicles 6; specifically, the installed power of the contact network maintenance operation vehicle train is ≥2200kW.

[0034] The above structure is a catenary maintenance train with two moving and eight towing sections and ten sections. The whole train is towed by two centralized power traction modes, tractor Ⅰ1 and tractor Ⅱ9, so that the maximum operating speed on a 30‰ slope is ≥33km / h, and the maximum operating speed on a 33‰ slope is ≥30km / h.

[0035] This technical solution is a comprehensive operation vehicle group integrating traction, through operation, power generation, material and tool storage, material processing, accommodation (food storage, processing, rest, bathing, laundry, drying clothes, washing, drinking water, toilet), conference (conference table and multimedia), office (file storage, office computer), etc. The tractor Ⅰ1, tractor Ⅱ9 and the operation vehicle are connected by 15X type coupler and canopy windshield 10. The tractor Ⅰ1 and tractor Ⅱ9 are both power vehicles, equipped with completely identical engines, hydraulic transmission boxes, auxiliary generator sets, etc., and the axle type is BB. Multiple operation vehicles are non-powered vehicles, and the axle type is 2-2. The tractor Ⅰ1 and tractor Ⅱ9 tow multiple operation vehicles for operation and operation; the tractor Ⅰ1 and tractor Ⅱ9 in this structure and multiple operation vehicles are equipped with G network indoors, which realizes the "seamless" communication between operation, conference, office and platform, and meets the life and entertainment needs of construction workers; the bogie foundation brake device of the overhead line maintenance operation vehicle train is equipped with a brake shoe regulator to ensure that each time The stroke of Huidong rear brake cylinder automatically returns to the original position, keeping the braking force basically unchanged, realizing automatic adjustment of brake shoe clearance, saving manpower adjustment, and meeting the normal descent of long and long downhill slopes with a slope of ≥33‰ and a mileage of ≥10km; the catenary maintenance train with two-motor and eight-trailer and ten-carriage and two-motor and ten-trailer and twelve-carriage has increased the volume of oil tanks and water tanks. Among them, the total volume of multiple domestic water tanks is ≥14400L, and each car can replenish water to achieve the maximum operating condition of the whole train. ≥13h, achieving a life water replenishment cycle of ≥15 days for the entire train, and a fuel storage capacity of ≥9000L. An electric screw air compressor is installed at the bottom of the frame of the material car 2, and the electric screw air compressor is connected to the toilets in multiple camping cars 6 through ventilation ducts to achieve the overall air supply of the toilets in the camping cars 6, which greatly reduces the noise of camping at night and reduces the frequency of starting the air compressor; the installed power of the contact network maintenance operation train with two motors and eight trailers and ten sections and the contact network maintenance operation train with two motors and ten trailers and twelve sections is ≥2200kW , respectively meeting the maximum operating speeds of 30‰ slopes ≥33km / h and ≥25km / h, and the maximum operating speed of 33‰ slopes ≥20km / h. The car body is filled with carbon fiber cotton to enhance the car body's thermal insulation, heat insulation and noise reduction performance; the through-operating platform climbing ladder adopts two types of hydraulic automatic lifting ladders and fixed climbing ladders. The hydraulic automatic lifting ladder can realize automatic climbing of personnel or materials to the top, and the fixed climbing ladder realizes a climbing slope of ≤40°, which improves the comfort of the climbing personnel. An auxiliary working platform with a herringbone ladder or automatic sliding lifting is set on the top of the through-operating platform to meet the inspection and maintenance of the contact network bearing cables, that is, the auxiliary working platform 14 equipped with a self-propelled function on the through-operating platform can achieve a maximum operating height of ≥6600mm, which meets the inspection and maintenance of the contact network bearing cables, saves manpower and material resources, and greatly improves operating efficiency.

[0036] The overhead line maintenance train with two moving and eight towing and ten sections is equipped with a lifting work platform 11 on the top of tractor Ⅰ1, tractor Ⅱ9 and multiple work vehicles. The overhead line maintenance train with two moving and ten towing and twelve sections is equipped with a lifting work platform 11 on the top of multiple work vehicles. The two structures respectively achieve a platform penetration operation distance of 165mm and 175m, which meets the requirements of the overhead line maintenance of three spans; the tractor Ⅰ1 and tractor Ⅱ9 are equipped with auxiliary generator sets of ≥2×240kW on the frame, which can be powered by a single machine or two machines in parallel to meet the electricity requirements of the train operation and living conditions; an emergency operation cabinet is set in the work car to avoid the risk of high platform or adjacent line operation; the width of the train is 3.1m, and the two structures respectively set camping berths for 42 people and 60 people in the camping car 6. In this structure, the hydraulic automatic lift 13 is an existing technology, which adopts a combined structure of vertical hydraulic cylinder and motor-driven sprocket lifting chain lifting to achieve two-stage lifting, and the maximum operating height is ≥5800mm.

[0037] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. Therefore, all equivalent changes made to the contents described in the claims of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A catenary maintenance vehicle train, comprising a tractor I (1), a tractor II (9) and a plurality of working vehicles arranged between the tractor I (1) and the tractor II (9), wherein the tractor I (1), the tractor II (9) and the plurality of working vehicles are connected via a coupler and a canopy windshield (10), and characterized in that: The tops of the tractor I (1), tractor II (9) and the multiple working vehicles or the tops of the multiple working vehicles are all provided with a lifting working platform (11), and the lifting working platforms (11) are mutually connected after being raised to form a through working platform, and the multiple working vehicles are provided with an emergency operation cabinet for controlling the through working platform in the interior, and the body and bottom plate interlayer of the tractor I (1), tractor II (9) and the multiple working vehicles are provided with a carbon fiber cotton material for improving the thermal insulation and noise reduction performance of the whole vehicle; The climbing ladder of the through-working platform adopts two climbing modes: a hydraulic automatic lifting ladder (13) provided on the material vehicle (2) and a fixed climbing ladder (12) provided on the office command vehicle (8); the fixed climbing ladder (12) is a step-type structure with a climbing slope of ≤40°; the fixed climbing ladder (12) is provided in the office command vehicle (8) and the upper end of the fixed climbing ladder (12) is located at the climbing opening on the roof of the office command vehicle (8); The through-operation platform is provided with an auxiliary operation platform (14) having an automatic sliding and lifting function. The auxiliary operation platform (14) comprises a connecting rod (14-1), a working platform (14-2), a telescopic ladder (14-3), an electric push rod (14-4), a transverse movement motor (14-5) and a longitudinal movement motor (14-6). The working platform (14-2) is located above the through-operation platform, and the left and right ends of the bottom of the working platform (14-2) are respectively hinged to the telescopic ladder (14-3) and the upper end of the connecting rod (14-1), and the lower ends of the telescopic ladder (14-3) and the connecting rod (14-1) are respectively hinged to the base (14- 7) are hinged at both ends, the telescopic end of the electric push rod (14-4) on the base (14-7) is hinged to the connecting rod (14-1), and the telescopic end of the electric push rod (14-4) drives the connecting rod (14-1) to rotate around the hinged part at the lower end to realize the lifting and lowering of the working platform (14-2), wherein the telescopic ladder (14-3) includes a ladder frame I (14-10) and a ladder frame II (14-12) rotatably connected to the ladder plate (14-11), the ladder frame II (14-12) is located above the ladder frame I (14-10), and the inner end of the ladder plate (14-11) is rotatably connected to the ladder frame I (14-10). The lower end of the ladder frame I (14-10) is hinged on the base (14-7) and the upper end of the ladder frame II (14-12) is hinged on the working platform (14-2). After the telescopic end of the electric push rod (14-4) is extended or shortened, the ladder board (14-11) can be unfolded and used after the working platform (14-2) rises, or the ladder board (14-11) can be folded and stored after the working platform (14-2) descends. A rack is laid on the trolley (14-8) below the base (14-7), and the gear on the output shaft of the traverse motor (14-5) on the base (14-7) is meshed with the rack to realize the traverse motor (14-5) ) drives the lower base (14-7) to move laterally on the trolley (14-8) along the X-shaped guide rail (14-9), the longitudinal movement motor (14-6) is arranged on the trolley (14-8) and the gear on the output shaft of the longitudinal movement motor (14-6) is meshed with the rack laid on the through-working platform to realize the longitudinal movement of the lower trolley (14-8) driven by the longitudinal movement motor (14-6), the through-working platform is provided with a T-shaped guide rail and the guide wheel (14-13) arranged at the bottom of the trolley (14-8) is adapted to the T-shaped guide rail and rolls along the length direction of the T-shaped guide rail to realize the rolling connection between the trolley (14-8) and the through-working platform.

2. The overhead line maintenance train according to claim 1, characterized in that: The tractor I (1) and tractor II (9) are both powered vehicles and the upper part of the frame of the tractor I (1) and tractor II (9) is equipped with an engine, a hydraulic transmission box and an auxiliary generator set, the auxiliary generator set provides electricity for operation and living of multiple working vehicles and the power of the auxiliary generator set is ≥ 2×240kW. The locomotive axle type of the tractor I (1) and tractor II (9) is In the traction mode, a non-powered bogie is provided at the bottom of the frame of the multiple working vehicles and the axle type of the multiple working vehicles is a 2-2 mode.

3. The overhead line maintenance train according to claim 1, characterized in that: The plurality of working vehicles include a material vehicle (2), a tool vehicle (3), a cooking vehicle (4), a dining vehicle (5), a plurality of camping vehicles (6), a conference vehicle (7) and an office command vehicle (8). The frame of the material vehicle (2) is provided with a workbench and a material rack; the frame of the tool vehicle (3) is provided with a tool cabinet and a tool rack; the frame of the cooking vehicle (4) is provided with a storage area, a kitchen area and a dining area; the frame of the dining vehicle (5) is provided with a dining table and seats; the frame of the camping vehicle (6) is provided with a sleeping compartment and a toilet; the frame of the conference vehicle (7) is provided with a conference room; the tractor I (1), the tractor II (9) and the plurality of working vehicles are provided with a centralized safety command system and a G network information system.

4. The overhead line maintenance train according to claim 1, characterized in that: The plurality of working vehicles include a material vehicle (2), a cooking vehicle (4), a dining vehicle (5), a plurality of camping vehicles (6), a conference vehicle (7) and an office command vehicle (8). The frame of the material vehicle (2) is provided with a workbench and a material rack; the frame of the cooking vehicle (4) is provided with a storage area, a kitchen area and a meal collection area; the frame of the dining vehicle (5) is provided with a dining table and chairs; the frame of the camping vehicle (6) is provided with a sleeping compartment and a toilet; the frame of the conference vehicle (7) is provided with a conference room; the tractor I (1), the tractor II (9) and the plurality of working vehicles are provided with a centralized safety command system and a G network information system.

5. The overhead line maintenance train according to claim 1, characterized in that: The tractor I (1), tractor II (9), material vehicle (2) and office command vehicle (8) are all provided with fuel tanks, and the total capacity of the multiple fuel tanks is ≥9000L. The tractor I (1) and tractor II (9) are automatically refueled through the material vehicle (2) and office command vehicle (8) respectively. The bottoms of the tool vehicle (3), the cooking vehicle (4), the dining vehicle (5), the multiple camping vehicles (6) and the conference vehicle (7) are all provided with interconnected domestic water tanks, and the total capacity of the multiple domestic water tanks is ≥14400L.

6. The overhead line maintenance train according to claim 4 or 5, characterized in that: An electric screw air compressor is provided at the bottom of the frame of the material vehicle (2), and the electric screw air compressor is connected to toilets in a plurality of camping vehicles (6) through ventilation ducts to realize overall air supply to the toilets in the camping vehicles (6).

7. The overhead line maintenance train according to claim 6, characterized in that: The installed power of the overhead line maintenance train is ≥2200kW.

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