CN211139313U - Novel overhead line system maintenance operation train - Google Patents

Abstract

The utility model provides a novel contact net overhauls operation train all is equipped with lift operation platform and each lift operation platform and rises the back and link up each other and form the operation platform that link up each other at the top of tractor I, tractor II and many operation cars or the top of many operation cars, link up the auxiliary operation platform that is equipped with from the walking function on the operation platform, the indoor emergent operation cabinet that is used for controlling the operation platform that link up that is equipped with of many operation cars, and tractor I, tractor II and many operation cars fall the type structure of making an uproar for keeping warm. The utility model provides the heat preservation of automobile body, thermal-insulated and fall the performance of making an uproar, be applicable to and satisfy the demand that contact net overhauld the operation under high cold, the high temperature environment, improved worker's living condition greatly, link up the auxiliary operation platform that is equipped with on the operation platform and walk from walking the function, realize that the maximum work height is more than or equal to 6600mm, satisfied the maintenance of contact net carrier cable, saved manpower, material resources, promoted contact net maintenance operating efficiency by a wide margin.

Description

Novel overhead line system maintenance operation train

Technical Field

The utility model belongs to the technical field of the railway engineering vehicle, concretely relates to novel contact net overhauls operation train.

Background

At present, the domestic overhead line system centralized maintenance adopts a plurality of single operation platform vehicles driven by single internal combustion to be connected and hung for group departure operation or application number 201410127476.1, the invention is named as the implementation operation of the overhead line system maintenance of the electrified railway, the former operation mode needs to be equipped with 2 times of drivers, and the defects of low operation efficiency, complex management, poor living condition, large engine pollution, weak braking force of long and large descending slopes and the like exist; the latter consists of 2 internal combustion hydraulic transmission tractors and 8 or 10 operation vehicles, which improves the operation efficiency and the working life conditions of workers compared with the former, but still has the problems of poor uphill capacity and weak braking force of a long uphill way; the two modes of the whole machine can not meet the maximum 33 per mill ramp starting; the two modes of complete machines adopt a foaming form to fill the wall body and the floor of the vehicle body, the heat preservation and noise reduction performance is poor, the volumes of the fuel tank and the water tank of the whole vehicle are small, the maximum operation working condition of 8 hours can be met, and the time requirement of a skylight for overhauling a carrier cable cannot be met; brake shoes are worn when going downhill on a long and large slope, so that the braking force is weakened, the braking performance is reduced, the stroke of the brake cylinder is frequently adjusted, and the stroke of the brake cylinder needs to be manually adjusted in place when the brake cylinder is taken out of a garage and returned to the garage each time; the whole vehicle meets the requirement that living and entertainment facilities of operators are simple, and the connection with an Internet and a wireless WiFi (wireless fidelity) on the vehicle cannot be realized; the emergency operation equipment of the whole vehicle operation device is arranged in an open area under or on the vehicle, so that the problem that emergency reset cannot be realized in a high platform, an adjacent line side and rainy days exists; the former has a single work platform, which cannot realize the through work of the contact net area, and the latter has a through work platform, which cannot realize the maintenance work of the catenary, and the like.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem: the utility model provides a novel contact net overhauls operation train is equipped with the auxiliary operation platform who walks certainly the function on lining up the operation platform, realizes that the maximum job height is more than or equal to 6600mm, has satisfied the maintenance of contact net carrier cable, has saved manpower, material resources, has promoted contact net maintenance operating efficiency by a wide margin, reduces the power supply and concentratedly repaiies operation intensity of labour, improves the power supply and concentratedly repaiies operation scope and operating efficiency.

The utility model adopts the technical proposal that: novel contact net overhauls operation train comprises tractor I, tractor II and locate a plurality of operation cars between tractor I and the tractor II, connect through coupling and canopy windshield between tractor I, tractor II and the many operation cars, the top of tractor I, tractor II and many operation cars or the top of many operation cars all are equipped with lift operation platform and each lift operation platform and link up each other after rising and form and link up the operation platform, link up the auxiliary operation platform that is equipped with the self-walking function on the operation platform, be equipped with the emergent operation cabinet that is used for controlling to link up the operation platform in the many operation cars room, and tractor I, tractor II and many operation cars fall the type structure of making an uproar for keeping warm.

The tractor I and the tractor II are power vehicles, the upper parts of the frames of the tractor I and the tractor II are respectively provided with an engine, a hydraulic transmission case and an auxiliary generator set, the auxiliary generator set provides operation and domestic electricity for a plurality of operation vehicles, the power of the auxiliary generator set is more than or equal to 2 × 240kW, the axle type of the locomotive of the tractor I and the axle type of the locomotive of the tractor II are both in a B-B traction mode, the bottoms of the frames of the operation vehicles are respectively provided with a power-free bogie, and the axle type of the operation vehicles is in a 2-2 mode.

And furthermore, carbon fiber cotton materials for improving the heat preservation and noise reduction performance of the whole vehicle are arranged in the vehicle body and the bottom plate interlayers of the tractor I, the tractor II and the plurality of operation vehicles.

Preferably, the plurality of working vehicles comprise material vehicles, tool vehicles, cooking vehicles, dining vehicles, a plurality of camping vehicles, conference vehicles and office command vehicles, and the frame of the material vehicle is provided with a working platform and a material frame; be equipped with tool cabinet and tool rack on the frame of instrument car, be equipped with storage area, kitchen district and get the dining area on the frame of kitchen truck, be equipped with dining table and seat on the frame of dining car, be equipped with sleeping berth package room and bathroom on the frame of dormitory car, be equipped with the conference room on the frame of conference car, be equipped with concentrated safe command system and G network information-based system in tractor I, tractor II and the many operation cars.

Preferably, the plurality of operation vehicles comprise material vehicles, cooking vehicles, dining vehicles, a plurality of camping vehicles, conference vehicles and office command vehicles, and the frame of the material vehicle is provided with a workbench and a material frame; be equipped with storage district, kitchen district and get the dining area on the frame of kitchen truck, be equipped with dining table and seat on the frame of dining truck, be equipped with sleeping berth package room and bathroom on the frame of dormitory truck, be equipped with the meeting room on the frame of conference car, be equipped with concentrated safe command system and G network information-based system in tractor I, tractor II and the many operation cars.

Further, all be equipped with the fuel tank on tractor I, tractor II, material car and the official working command car, and the total volume of a plurality of fuel tanks is more than or equal to 9000L, tractor I and tractor II are respectively through the automatic oil supplementation of material and official working command car, the bottom of instrument car, kitchen truck, dining car, a plurality of camping car and conference car all sets up the domestic water tank of intercommunication each other, and the total volume of a plurality of domestic water tanks is more than or equal to 14400L.

Furthermore, the top-climbing ladder penetrating through the operation platform adopts two top-climbing modes, namely a hydraulic automatic lifting ladder arranged on a material vehicle and a fixed top-climbing ladder arranged on an office command vehicle; the fixed top-climbing ladder is of a step structure with the top-climbing inclination smaller than or equal to 40 degrees, the fixed top-climbing ladder is arranged in the office command car, and the upper end of the fixed top-climbing ladder is positioned at a top-climbing opening of the office command car.

Furthermore, a herringbone ladder or an auxiliary operation platform with an automatic sliding and lifting function is arranged on the through operation platform, the auxiliary operation platform comprises a connecting rod, a working platform, a telescopic ladder, an electric push rod, a transverse moving motor and a longitudinal moving motor, the working platform is positioned above the through operation platform, the left end and the right end of the bottom of the working platform are respectively hinged with 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 with the two ends of the base, the telescopic end of the electric push rod on the base is hinged with the connecting rod, the telescopic end of the electric push rod on the base drives the connecting rod to rotate by taking the hinged position of the lower end of the connecting rod as the center, so as to realize the lifting of the working platform, the telescopic ladder comprises a ladder frame I and a ladder frame II which is rotatably connected with a ladder plate, the ladder frame II is positioned above the ladder frame I, the end part of the inner side of the ladder, after the telescopic end of the electric push rod is extended or shortened, the extension use of the ladder plate after the working platform rises or the folding storage of the ladder plate after the working platform falls are realized; the trolley is characterized in that racks are laid on the trolley below the base, and the gear and the rack on the output shaft of the transverse moving motor on the base are meshed to realize transverse movement of the base on the trolley along the X-shaped guide rail under the driving of the transverse moving motor, the longitudinal moving motor is arranged on the trolley and is meshed with the gear on the output shaft of the longitudinal moving motor and the rack laid on the through operation platform to realize longitudinal movement of the trolley under the driving of the longitudinal moving motor, the through operation platform is provided with the T-shaped guide rail, a guide wheel arranged at the bottom of the trolley is matched with the T-shaped guide rail, and the trolley is connected with the through operation platform in a rolling manner after.

Furthermore, an electric screw air compressor is arranged at the bottom of the frame of the material vehicle, and the electric screw air compressor is communicated with toilets in a plurality of camper vehicles through a ventilation pipeline to realize integral air supply of the toilets in the camper vehicles.

Further, the installed power of the novel contact net overhaul operation train is more than or equal to 2200 kW.

The utility model has the advantages compared with the prior art:

1. the through operation platform top-climbing ladder adopts two modes of a hydraulic automatic lifting ladder and a fixed top-climbing ladder, the hydraulic automatic lifting ladder can realize automatic top climbing of personnel or materials, the fixed top-climbing ladder realizes that the top-climbing inclination is less than or equal to 40 degrees, and the top of the through operation platform is provided with the herringbone ladder or the auxiliary operation platform capable of automatically sliding and lifting, so that the overhaul and maintenance of catenary wires of a catenary are met, the maximum operation height is more than or equal to 6600mm, the overhaul and maintenance of the catenary wires of the catenary are met, manpower and material resources are saved, and the operation efficiency is greatly improved;

2. according to the technical scheme, the electric screw air compressor is arranged at the bottom of the frame of the material vehicle and is communicated with the toilets in the multiple camping vehicles through the ventilation pipeline, so that the overall air supply of the toilets in the camping vehicles is realized, the night camping noise is greatly reduced, and the starting frequency of the air compressor is reduced;

3. according to the technical scheme, the installed power of a train line for overhauling the overhead line system is more than or equal to 2200kW, the starting and running of a maximum 33 per mill ramp are met, and a train body is filled with carbon fiber cotton, so that the heat preservation, heat insulation and noise reduction performances of the train body are improved;

4. according to the technical scheme, the G networks are arranged in the tractor I, the tractor II and a plurality of operation vehicle rooms, so that operators can surf the Internet by using a computer and surf the Internet by using a mobile phone without limiting the flow WiFi, seamless communication among operation, meetings, offices and stations is realized, and the living and entertainment requirements of construction operators are met;

5. the bogie basic braking device of the technical scheme is provided with the brake shoe adjuster, so that the automatic adjustment of the brake shoe clearance is realized, the manual adjustment is saved, the braking requirement of normal downhill of a long and large downhill with the gradient of more than or equal to 33 per thousand and the mileage of more than or equal to 10km is met, and the braking capability of the whole train reaching the downhill is improved;

6. according to the technical scheme, lifting operation platforms are arranged at the tops of a plurality of operation vehicles between a tractor I and a tractor II, so that the through operation distance of the platforms reaches 175m, and the requirement for overhauling and maintenance of contact networks with three spans is met;

7. according to the technical scheme, the auxiliary generator sets with the power consumption of more than or equal to 2 × 240kW are arranged on the frames of the tractor I and the tractor II, and single-machine or double-machine parallel power supply can be realized, so that power consumption of train operation and living working conditions is met;

8. this technical scheme all sets up the fuel tank on tractor I, tractor II, material car and official working command car, total volume 9000L, and the material car can be to tractor I, official working command car can be to II automatic oil supplementations of tractor, sets up the domestic water tank under other cars, total volume 14400L, and can supply water each other between each car, realizes that whole train maximum operation operating condition is more than or equal to 13h, realizes that whole train life moisturizing cycle is more than or equal to 15 days.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a second embodiment of the present invention;

fig. 3 is a schematic structural view of the liquid fixed climbing ladder of the present invention;

fig. 4 is a schematic structural view of the hydraulic automatic elevator of the present invention;

fig. 5 is a schematic view of the structure of the auxiliary work platform of the present invention.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The first embodiment of the present invention will be described in conjunction with fig. 1, 3, 4 and 5, so as to clearly and completely describe the technical solution, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments.

The overhead line maintenance work train comprises a tractor I1, a tractor II 9 and a plurality of working vehicles arranged between the tractor I1 and the tractor II 9, as shown in figure 1, the tractor I1, the tractor II 9 and the plurality of working vehicles are connected through a coupler and a shelter windshield 10, the top of each working vehicle is provided with a lifting working platform 11, each lifting working platform 11 is lifted and then communicated with each other to form a through working platform, the through working platform 14 is provided with an auxiliary working platform 14 with a self-walking function, an emergency operation cabinet for controlling the through working platform is arranged in each working vehicle room, the tractor I1, the tractor II 9 and the plurality of working vehicles are of a heat-preservation noise-reduction type structure, specifically, the tractor I1 and the tractor II 9 are both power vehicles, the upper parts of the tractor I1 and the tractor II 9 are both provided with an engine, a hydraulic transmission box and an auxiliary generator set, the auxiliary generator set provides working for the plurality of working vehicles, the working vehicles are not less than 2, the power of an auxiliary generator set 2, the electric power of a domestic power consumption, and an auxiliary generator set 2 is not less than 2, the power of the tractor I × kW, the tractor, the locomotive 1 and the locomotive II 9 are both, the locomotive 1 and the locomotive II 9, the locomotive I2 is provided, the locomotive I1 and the locomotive I2 is not less than the locomotive I, the locomotive I14 is not less than the locomotive I14, the locomotive I14 is not less than the locomotive I14, the locomotive I14 is provided with the locomotive I, the locomotive I14, the locomotive I14 is provided with the locomotive I, the locomotive I14, the locomotive I14, the locomotive I14, the locomotive I2, the locomotive I2 is provided with the locomotive I, the locomotive II 9, the locomotive I14 is provided with the locomotive I, the locomotive I is provided with the locomotive I, the locomotive I is provided with the locomotive I, the locomotive I is provided with the locomotive I, the locomotive I is provided with the locomotive I, the locomotive I.

The structure is a contact network maintenance operation train composed of two-action ten-towing-twelve-section marshalling, and the whole train is towed by two power concentrated towing modes of a towing vehicle I1 and a towing vehicle II 9, so that the maximum running speed of the whole train on a 30 per thousand ramp is more than or equal to 25km/h, and the maximum running speed of the whole train on a 33 per thousand ramp is more than or equal to 20 km/h.

The second embodiment of the present invention will be described in conjunction with fig. 2-5, so as to clearly and completely describe the technical solution, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all embodiments.

The overhead line maintenance work train comprises a tractor I1, a tractor II 9 and a plurality of work vehicles arranged between the tractor I1 and the tractor II 9 as shown in figure 2, the tractor I1, the tractor II 9 and the plurality of work vehicles are connected through a coupler and a shelter windshield 10, the overhead line working platform of the tractor I1, the tractor II 9 and the top of the plurality of work vehicles is provided with an auxiliary working platform 14 with a self-walking function, an emergency operation cabinet for controlling a run-through working platform is arranged in a working room of the plurality of work vehicles, the tractor I1, the tractor II 9 and the plurality of work vehicles are of a heat-insulation noise-reduction structure, the tractor I1 and the tractor II 9 are powered vehicles, the upper parts of the tractor I1 and the tractor II 9 are provided with an engine, a hydraulic transmission box and an auxiliary generator set, the auxiliary generator set provides operation for the plurality of work vehicles, the power of a domestic electric power and an auxiliary generator set is not less than 2 × kW, the locomotive I1 and the tractor II 9 are all in a traction mode, the plurality of the tractor B-B14, the working platform is provided with a fixed steering operation, the tractor I1, the tractor II 9, the tractor I2 is provided with a fixed electric car, the truck, the tractor I2, the truck 14 is provided with a push rod 14, the truck is provided with a push rod 14, the push rod 14-7 of the push rod 14 is provided with a push rod 14, the push rod 14 of the push rod 14, the push rod 14 of the push rod 14-7 of the push rod 14 is provided with a push rod 14, the push rod 14 of the push rod 14, the push rod 14-7 of the push rod 14 of the push rod 7 of the push rod 14 of the push rod 7 of the push rod 14 of the push rod 7 of the push rod 14 of the push rod 7 of the push rod 4-push rod 14 of the push rod 7 of the push rod 14 of the push rod 4 of the push rod 14 of the push rod 4 of the push rod 7 of the push rod 14 of the push rod 4 of the push rod 14 of the push rod 4-push rod 4 of the push rod 4 of.

The structure is a contact net maintenance operation train with two-action eight-section-dragging-ten-section marshalling. The whole vehicle is towed by two power concentrated towing modes of a towing vehicle I1 and a towing vehicle II 9, so that the maximum running speed of the whole vehicle on a 30 per thousand ramp is more than or equal to 33km/h, and the maximum running speed on the 33 per thousand ramp is more than or equal to 30 km/h.

The technical scheme is that a comprehensive operation vehicle group integrating traction, through operation, power generation, material and tool storage, material processing, food accommodation (food storage, processing, rest, bath, clothes washing, clothes drying, washing, drinking water, a toilet), meetings (conference tables and multimedia), offices (file storage, office computers) and the like is provided, a tractor I1, a tractor II 9 and operation vehicles are connected through a 15X-shaped coupler and a shelter windshield 10, the tractor I1 and the tractor II 9 are all power vehicles, a completely consistent engine, a hydraulic transmission box, an auxiliary generator set and the like are arranged, shaft type is B-B, a plurality of operation vehicles are unpowered vehicles, shaft type is 2-2, the tractor I1 and the tractor II 9 draw a plurality of operation vehicle trains to operate and operate, a G network is arranged in a tractor I1, the tractor II 9 and a plurality of operation vehicle chambers, the seamless communication of operation, meeting, working personnel working, meeting, working personnel, meeting, and platform, the maintenance requirements of maintenance, the maintenance work, the maintenance requirements of the working personnel, the maintenance work efficiency of a maintenance work is greatly reduced, the maintenance work efficiency of a heat insulation ladder, the maintenance work of a multifunctional ladder, the maintenance platform, the maintenance work of a multifunctional ladder, the maintenance work platform, the maintenance of a maintenance work platform, the maintenance of a multifunctional ladder, the work platform, the working platform, the maintenance platform, the multifunctional ladder.

The overhead line system maintenance operation train with eight-section and ten-section two-action marshalling is characterized in that lifting operation platforms 11 are arranged on the tops of a tractor I1, a tractor II 9 and a plurality of operation trains, the lifting operation platforms 11 are arranged on the tops of the overhead line system maintenance operation train with ten-section and twelve-section two-action and twelve-section marshalling, the through operation distance of the platforms reaches 165mm and 175m respectively to meet the overhead line system maintenance of three spans, an auxiliary generator set with the width of more than or equal to 2 × 240kW is arranged on the frames of the tractor I1 and the tractor II 9 to supply power for a single machine or a double machine to meet the power consumption of train operation and living conditions, an emergency operation cabinet is arranged in the operation train to avoid the risk of high platform or adjacent line operation, the width of the train is 3.1m, and the two structures are respectively provided with 42-person and 60-person dormitory berths in a dormitory 6.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that all equivalent changes made by the contents of the claims of the present invention should be included in the scope of the claims of the present invention.

Claims (10)

1. Novel contact net overhauls operation train comprises tractor I (1), tractor II (9) and locates the many operation cars between tractor I (1) and tractor II (9), connect its characterized in that through coupling and shelter windshield (10) between tractor I (1), tractor II (9) and the many operation cars: tractor I (1), tractor II (9) and the top of a plurality of operation cars or the top of a plurality of operation cars all are equipped with lift operation platform (11) and each lift operation platform (11) rise the back and link up each other and form and link up the operation platform, link up and be equipped with supplementary operation platform (14) of self-walking function on the operation platform, the indoor emergent operation cabinet that is used for controlling to link up the operation platform that is equipped with of a plurality of operation cars, and tractor I (1), tractor II (9) and a plurality of operation cars are the type structure of making an uproar that falls of keeping warm.

2. The novel overhead line system overhauling working train line as set forth in claim 1, is characterized in that the tractor I (1) and the tractor II (9) are power vehicles, the upper parts of the frames of the tractor I (1) and the tractor II (9) are respectively provided with an engine, a hydraulic transmission case and an auxiliary generator set, the auxiliary generator set provides working and domestic electricity for a plurality of working trains, the power of the auxiliary generator set is more than or equal to 2 × 240kW, the axle type of the locomotive of the tractor I (1) and the axle type of the tractor II (9) are both in B-B traction mode, the bottom parts of the frames of the plurality of working trains are respectively provided with unpowered bogies, and the axle type of the plurality of working trains is in 2-2 mode.

3. The novel overhead line system maintenance work train of claim 1, characterized in that: carbon fiber cotton materials used for improving the heat preservation and noise reduction performance of the whole vehicle are arranged in the vehicle body and the bottom plate interlayer of the tractor I (1), the tractor II (9) and the plurality of operation vehicles.

4. The novel overhead line system maintenance work train of claim 3, characterized in that: the plurality of operation vehicles comprise 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), wherein a working table and a material frame are arranged on a frame of the material vehicle (2); be equipped with tool cabinet and tool rack on the frame of instrument car (3), be equipped with storage area, kitchen district and get the dining area on the frame of kitchen truck (4), be equipped with dining table and seat on the frame of dining car (5), be equipped with sleeping berth package room and bathroom on the frame of dormitory car (6), be equipped with the meeting room on the frame of meeting car (7), be equipped with concentrated safe command system and G network information-based system in tractor I (1), tractor II (9) and the many operation cars.

5. The novel overhead line system maintenance work train of claim 3, characterized in that: the plurality of operation vehicles comprise 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), wherein a working table and a material frame are arranged on a frame of the material vehicle (2); be equipped with on the frame of kitchen truck (4) and store district, kitchen district and get the dining district, be equipped with dining table and seat on the frame of dining car (5), be equipped with sleeping berth package room and bathroom on the frame of dormitory car (6), be equipped with the meeting room on the frame of meeting car (7), be equipped with concentrated safe command system and G network information-based system in tractor I (1), tractor II (9) and the many operation cars.

6. The novel catenary overhaul operation train according to claim 4 or 5, wherein fuel tanks are arranged on the tractor I (1), the tractor II (9), the material vehicle (2) and the office command vehicle (8), the total volume of the fuel tanks is more than or equal to 9000L, the tractor I (1) and the tractor II (9) are automatically replenished with oil through the material vehicle (2) and the office command vehicle (8), the bottoms of the tool vehicle (3), the cooking vehicle (4), the dining vehicle (5), the plurality of camping vehicles (6) and the conference vehicle (7) are respectively provided with mutually communicated living water tanks, and the total volume of the living water tanks is more than or equal to 144 14400L.

7. The novel overhead line system maintenance work train of claim 1, characterized in that: the climbing ladder penetrating through the operation platform adopts two climbing modes, namely a hydraulic automatic lifting ladder (13) arranged on the material vehicle (2) and a fixed climbing ladder (12) arranged on the office command vehicle (8); the fixed top-climbing ladder (12) is of a step structure with the top-climbing inclination smaller than or equal to 40 degrees, the fixed top-climbing ladder (12) is arranged in the office command car (8), and the upper end of the fixed top-climbing ladder (12) is positioned at a top-climbing opening of the office command car (8).

8. The novel overhead line system maintenance work train of claim 1, characterized in that: the through operation platform is provided with a herringbone ladder or an auxiliary operation platform (14) with an automatic sliding and lifting function, the auxiliary operation platform (14) comprises a connecting rod (14-1), a working platform (14-2), an extension ladder (14-3), an electric push rod (14-4), a transverse moving motor (14-5) and a longitudinal moving motor (14-6), the working platform (14-2) is positioned above the through operation platform, the left end and the right end of the bottom of the working platform (14-2) are respectively hinged with the extension ladder (14-3) and the upper end of the connecting rod (14-1), the lower ends of the extension ladder (14-3) and the connecting rod (14-1) are respectively hinged with the two ends of a base (14-7), the extension end of the electric push rod (14-4) on the base (14-7) is hinged with the connecting rod (14-1), the working platform (14-2) is lifted and lowered after the telescopic end of the electric push rod (14-4) stretches to drive the connecting rod (14-1) to rotate by taking the hinged position at the lower end as the center, wherein the telescopic ladder (14-3) comprises a ladder frame I (14-10) and a ladder frame II (14-12) in rotary connection with ladder boards (14-11), the ladder frame II (14-12) is positioned above the ladder frame I (14-10), the end part of the inner side of each ladder board (14-11) is in rotary connection with the ladder frame I (14-10), the lower end of the ladder frame I (14-10) is hinged to the base (14-7), the upper end of the ladder frame II (14-12) is hinged to the working platform (14-2), and the telescopic end of the electric push rod (14-4) stretches or shortens to realize the unfolding use of the ladder boards (14-11) after the working platform (14-2) is lifted or the working platform (14-2) is lifted and lowered The ladder boards (14-11) are folded up and stored after being lowered; racks are laid on the trolleys (14-8) below the bases (14-7), the transverse moving motors (14-5) on the bases (14-7) are meshed with the racks to achieve transverse movement of the transverse moving motors (14-5) on the trolleys (14-8) along the X-shaped guide rails (14-9), the longitudinal moving motors (14-6) are arranged on the trolleys (14-8) and are meshed with the racks laid on the through operation platform to achieve longitudinal movement of the longitudinal moving motors (14-6) on the trolleys (14-8), T-shaped guide rails are arranged on the through operation platform, guide wheels (14-13) arranged at the bottoms of the trolleys (14-8) are matched with the T-shaped guide rails and roll along the length direction of the T-shaped guide rails to achieve rolling of the trolleys (14-8) and the through operation platform And (4) connecting.

9. The novel overhead line system maintenance work train of claim 7, characterized in that: the bottom of the frame of the material vehicle (2) is provided with an electric screw air compressor, and the electric screw air compressor is communicated with toilets in a plurality of camping vehicles (6) through a ventilation pipeline to realize integral air supply of the toilets in the camping vehicles (6).

10. The novel overhead line system maintenance work train of claim 9, characterized in that: the installed power of the novel contact net overhaul operation train is more than or equal to 2200 kW.

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