CN112519845B - Subway electric power tool car - Google Patents

Abstract

A tool display rack and a subway electric overhaul vehicle thereof are provided, wherein the tool display rack aims at the problem that when the existing overhaul tools are placed on the display rack, some tools are heavier and are difficult to place at high positions on the display rack, so that the use is inconvenient; including the support body base, the top fixed mounting of support body base has the support body backup pad that two symmetries set up, the top fixed mounting of two support body backup pads has same support body roof, fixed mounting has a plurality of support body plywoods between two support body backup pads, the top fixed mounting of support body roof has first support body motor, it is connected with the support body threaded rod that two symmetries set up to rotate between support body roof and the support body base, two support body threaded rod transmissions are connected, threaded connection has the support body to remove the seat on the support body threaded rod, it places the pole to rotate the support body that is connected with two symmetries and sets up between two support body removal seats. The invention has simple operation and convenient use, can conveniently place heavier tools on the shelf body laminate at the high position, and is convenient for people to use.

Description

Subway electric power tool car

Technical Field

The invention relates to the field of subway maintenance, in particular to a subway electric maintenance vehicle.

Background

The subway is a form of railway transportation, and refers to an urban rail transit system which is mainly operated underground, namely the underground railway or the underground railway is short for description; many such systems may be moved to ground or elevated sections outside of city centers in order to fit the construction environment and take into account construction and operating costs. The subway is an urban rail transit system which covers the exclusive right of way, high density and high traffic volume under various underground and overground roads in urban areas, and the Taiwan subway in China is called as 'rapid transit'. In the electric power construction process, many places need manual operation, and some need electric power maintainer to overhaul circuit or power equipment especially, mainly carry out corresponding operation through subway electric power tool car at present.

In application No. 201810660730.2, a multifunctional subway electric maintenance vehicle is disclosed, which has a high integration level, but the inventor finds that the technology has the following defects in practical research:

1. when the ladder stand is used, the length of the ladder stand is not convenient to adjust and then the ladder stand is fixed, and the stability is poor.

2. When the maintenance tool is placed on the display rack, some tools are heavy and difficult to place at high positions on the display rack, so that the maintenance tool is inconvenient to use.

3. The braking function is not ideal and the wheel is not braked effectively.

4. When adjusting solar protection devices's angle, the device is not stable enough like this, adjusts the trouble moreover for maintainer's operational environment is more abominable, great reduction the result of use.

In this respect, the inventor redesigns a subway electric overhaul vehicle on the basis of the above patent, which can overcome the above four defects.

Disclosure of Invention

The invention aims to provide a subway electric overhaul vehicle and a tool display rack thereof, wherein the tool display rack can solve the defect that when the existing overhaul tools are placed on the display rack, some tools are heavier and are difficult to place at high positions on the display rack, so that the use is inconvenient.

In order to achieve the purpose, the invention adopts the following technical scheme:

an instrument display rack comprises a rack body base, wherein two rack body supporting plates which are symmetrically arranged are fixedly installed at the top of the rack body base, the same rack body top plate is fixedly installed at the tops of the two rack body supporting plates, a plurality of rack body laminated plates are fixedly installed between the two rack body supporting plates, a first rack body motor is fixedly installed at the top of the rack body top plate, two rack body threaded rods which are symmetrically arranged are rotatably connected between the rack body top plate and the rack body base and are in transmission connection, a rack body moving seat is in threaded connection on the rack body threaded rod, two rack body placing rods which are symmetrically arranged are rotatably connected between the two rack body moving seats and are in transmission connection, the same rack body placing plate is in threaded connection on the two rack body placing rods, a second rack body motor is fixedly installed on one side of one rack body moving seat of the two rack body moving seats, the output shaft of second support body motor and the support body that corresponds place pole fixed connection, and the support body is placed the top fixed mounting of board and is had the support body baffle that two symmetries set up, the support body is placed the top of board and has been seted up the support body sliding tray, rotates on the inner wall of support body sliding tray to be connected with the support body lead screw, and one side fixed mounting that the board was placed to the support body has third support body motor, the output shaft and the support body lead screw fixed connection of third support body motor, threaded connection has the support body movable block on the support body lead screw, and the top fixed mounting of support body movable block has the support body push pedal, sliding connection has the support body baffle on the board is placed to the support body, and the support body baffle cooperatees with the support body push pedal.

Preferably, the support body rack is installed to one side of support body baffle, and the one end fixed mounting of support body lead screw has the support body gear, support body gear and support body rack intermeshing, and pivoted support body lead screw can drive the support body baffle through the intermeshing of support body gear and support body rack and remove.

Preferably, the support body is placed and has been seted up support body slip hole on the board, support body slip hole and support body baffle sliding connection, and has seted up the spacing groove on the inner wall of one side of support body slip hole, and one side fixed mounting of support body baffle has the stopper, stopper and spacing groove sliding connection, and the sliding connection of spacing groove and stopper can carry on spacingly to the support body baffle.

Preferably, a support body moving groove is formed in one side of the support body baffle, a support body sliding rod is fixedly mounted on the inner wall of the support body moving groove, a support body connecting block is connected to the support body sliding rod in a sliding mode, and the support body connecting block is fixedly connected with a support body rack.

Preferably, the top and the equal fixed mounting in bottom of support body connecting block have support body buffer spring, and support body buffer spring and the inner wall fixed connection of support body shifting chute, support body buffer spring can cushion the support body baffle through the support body connecting block.

Preferably, equal fixed cover is equipped with the support body sprocket on two support body threaded rods, and the meshing has same support body chain on two support body sprockets, and the output shaft of first support body motor can drive two support body threaded rods and rotate simultaneously through the intermeshing of two support body sprockets and support body chain.

The invention also discloses a subway electric maintenance vehicle which is applied with the tool display rack.

Preferably, the auxiliary brake mechanism comprises two first brake supporting seats and two second brake supporting seats which are arranged at the bottom of the vehicle plate, the two first brake supporting seats and the two second brake supporting seats are respectively provided with a rear universal wheel and a front universal wheel, the same brake connecting rod is fixedly connected between the two rear universal wheels, the bottom of the vehicle plate is fixedly provided with two brake connecting plates, the two brake connecting plates are respectively fixedly connected with a first brake movable column, the two first brake movable columns are respectively and movably connected with a brake pressing plate, the two brake pressing plates are respectively and fixedly connected with a second brake movable column, the two second brake movable columns are respectively and movably connected with a brake cam plate, the two brake cam plates are respectively and movably connected with the brake connecting rod, one side of each brake cam plate is respectively and fixedly connected with a brake pedal rod, one end of each brake pedal rod is fixedly connected with the same brake pedal plate, and a sunshade frame structure is arranged on the vehicle plate.

Preferably, the top of the sweep is fixedly provided with a brake lifting frame, the inner wall of the bottom of the brake lifting frame is fixedly provided with a brake driving frame, and the brake driving frame is rotatably connected with a brake lifting screw rod.

Preferably, the brake lifting screw is in threaded connection with a brake lifting threaded cylinder, and the brake lifting screw is fixedly connected with a brake driven bevel gear.

Preferably, one side of the brake driving frame is rotatably connected with a brake driving rod, one end of the brake driving rod is fixedly connected with a brake driving bevel gear, and the brake driving bevel gear is meshed with the brake driven bevel gear.

Preferably, one side fixed mounting of brake drive frame has brake elevator motor, brake elevator motor's output shaft and brake actuating lever fixed connection.

Preferably, the one end fixedly connected with brake maintenance platform of brake lift screw thread section of thick bamboo, two brake telescopic links of fixedly connected with between brake maintenance platform and the brake lift frame.

Preferably, the sunshade frame structure comprises a sunshade mounting plate, the sunshade mounting plate is symmetrically and fixedly provided with the top ends of two sunshade supporting plates, the bottom ends of the two sunshade supporting plates are fixedly arranged on the vehicle plate, one side of the sunshade mounting plate, on which a first sunshade mounting block is movably arranged, is provided with a plurality of first sunshade clamping grooves, the first sunshade mounting block is fixedly provided with a sunshade baffle, the bottom of the sunshade baffle is movably provided with a sunshade limiting plate, the other side of the sunshade mounting plate is rotatably provided with a sunshade screw rod, the sunshade screw rod is provided with a sunshade driving plate in a threaded manner, the sunshade driving plate is slidably arranged on the sunshade mounting plate, the sunshade mounting plate is fixedly provided with a sunshade fixed plate, the sunshade fixed plate is rotatably connected with the sunshade screw rod, the sunshade fixed plate is provided with a plurality of second sunshade clamping grooves, and the bottom end of the sunshade screw rod is fixedly provided with a sunshade circular plate, a sun-shading handle is slidably mounted on the sun-shading circular plate, a sun-shading extension plate is slidably mounted at the top of the sun-shading baffle plate, a sun-shading sliding groove is formed in the sun-shading extension plate, a sun-shading limiting rod is fixedly mounted in the sun-shading sliding groove, a sun-shading sliding rod is slidably mounted on the sun-shading limiting rod, a sun-shading clamping rod is fixedly mounted at one end of the sun-shading sliding rod, and a plurality of sun-shading fixing grooves are formed in the sun-shading extension plate.

Compared with the prior art, the invention has the advantages that:

1. according to the adjustable ladder stand structure, the air pump is arranged in the support box, the two inflation tubes are communicated with the air pump, the two first support cylinders are inflated through the air pump, the two first piston plates are extruded by air pressure to extend out of the two first support cylinders until the two guide rods respectively penetrate through the two round holes and extrude the two round rods to move, the two round rods push the elastic rods to move, the elastic rods drive the sealing heads to leave the air holes, at the moment, the second support cylinder is communicated with the first support cylinders, air enters the second support cylinders, the second piston plate is stressed to move, the second piston plate pushes the ladder stand rods to extend until the second piston plate is in contact with the second limiting ring, and the ladder stand structure is telescopic through the air pressure and convenient to use.

Press two and press the depression bar and be close to each other, press the depression bar and drive the inserted bar through the sliding block and leave corresponding slot, can adjust the position of landing leg pole, adjust suitable back, loosen two and press the depression bar, under the spring action of pressure spring, the inserted bar gets into in the slot that corresponds, increases the stability of two landing leg poles. The ladder stand structure is convenient to adjust the length of the ladder stand and then fix the ladder stand, and improves the stability.

2. The tool display rack is provided with the two rack body chain wheels which are meshed with the rack body chains, so that the output shaft of the first rack body motor can drive the two rack body threaded rods to rotate simultaneously, and the rack body moving seat drives the rack body placing plate to adjust the height.

Because the intermeshing of support body gear and support body rack for pivoted support body lead screw can drive the support body rack and remove, and then drives the support body baffle and remove, thereby can place the material on the board to the support body and unload. The tool display rack is simple in operation and convenient to use, and can be used for placing heavier tools on a rack body laminate at a high position conveniently for people to use.

3. The auxiliary brake mechanism is provided with the brake lifting motor, the brake driving rod, the brake driving bevel gear, the brake driven bevel gear, the brake lifting screw rod, the brake lifting threaded cylinder and the brake maintenance platform, an output shaft of the brake lifting motor drives the brake driving rod to rotate, the brake driving rod drives the brake driven bevel gear to rotate through the brake driving bevel gear, the brake driven bevel gear drives the brake lifting screw rod to rotate, the brake lifting screw rod drives the brake lifting threaded cylinder to move upwards, and the brake lifting threaded cylinder drives the brake maintenance platform to move upwards, so that the purpose of lifting the brake maintenance platform is achieved.

In addition, the brake pedal plate drives one ends of the two brake pedal rods to move downwards due to the arrangement of the brake pedal plate, the brake pedal rods, the brake cam plate, the second brake movable column, the brake pressure plate and the rear universal wheel. The two brake pedal rods drive the two brake cam plates to rotate on the brake connecting rods, the two brake cam plates drive one ends of the two brake pressing plates to be attached to the two rear universal wheels through the two second brake movable columns and perform friction braking, and the purpose of braking is achieved. The auxiliary brake mechanism is simple in structure and convenient to use, brake of the device is facilitated, and the auxiliary brake mechanism is convenient for people to use.

4. The sunshade frame structure is provided with the vehicle plate, the universal wheel, the sunshade mounting plate, the sunshade supporting plate, the first sunshade clamping groove, the first sunshade mounting block, the sunshade baffle, the second sunshade mounting block, the sunshade limiting plate, the sunshade side plate, the sunshade bearing, the sunshade screw rod, the sunshade driving plate, the sunshade connecting rod, the sunshade fixing plate, the second sunshade clamping groove, the sunshade circular plate, the sunshade sliding hole, the sunshade handle and the sunshade pressure spring, the sunshade driving plate can be driven to move by rotating the sunshade screw rod, and the sunshade driving plate drives the sunshade baffle to rotate through the sunshade connecting rod, so that the angle of the sunshade baffle can be effectively adjusted, and the use is convenient;

the sunshade frame structure is through having set up the sweep, the universal wheel, the sunshade mounting panel, the sunshade backup pad, first sunshade draw-in groove, first sunshade installation piece, the sunshade baffle, second sunshade installation piece, the sunshade limiting plate, the sunshade curb plate, the sunshade bearing, the sunshade screw rod, the sunshade drive plate, the sunshade connecting rod, the sunshade fixed plate, second sunshade draw-in groove, the sunshade plectane, the sunshade slip hole, the sunshade handle, the sunshade pressure spring, through the cooperation of sunshade limiting plate and first sunshade draw-in groove and sunshade handle and second sunshade draw-in groove, after good angle modulation with the sunshade baffle, the stability of sunshade baffle can be ensured effectively, great improvement solar protection devices's result of use. The sunshade frame structure is convenient to use, can effectively adjust the sunshade angle of the sunshade device, can ensure the stability of the sunshade device after adjustment, and greatly improves the using effect of the device.

Drawings

Fig. 1 is a schematic structural diagram of the first and second embodiments.

Fig. 2 is an enlarged view of fig. 1 at F1.

Fig. 3 is an enlarged view of fig. 1 at F2.

Fig. 4 is a side view structural schematic diagram of the first support cylinder, the second support cylinder and the ladder bar of the adjustable ladder structure.

Fig. 5 is an enlarged view of fig. 4 at F3.

Fig. 6 is a schematic structural diagram of a third embodiment and a fourth embodiment.

Fig. 7 is a schematic side view of the third and fourth embodiments.

Fig. 8 is a schematic side sectional structure view of the third embodiment and the fourth embodiment.

Fig. 9 is an enlarged view of fig. 8 at F4.

Fig. 10 is a schematic structural diagram of a fifth embodiment and a sixth embodiment.

Fig. 11 is an enlarged view of fig. 10 at F5.

Fig. 12 is a schematic side view of the fifth embodiment and the sixth embodiment. (ii) a

Fig. 13 is a schematic side view of the two brake levers and the brake pedal of the auxiliary brake mechanism according to the fifth embodiment and the sixth embodiment.

FIG. 14 is a schematic structural diagram of a seventh embodiment and an eighth embodiment;

fig. 15 is an enlarged view of fig. 14 at F6.

Fig. 16 is an enlarged view of fig. 14 at F7.

Fig. 17 is a schematic structural view of a sunshade circular plate and a sunshade handle in the seventh embodiment and the eighth embodiment.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Referring to fig. 1 to 17, the subway electric overhaul vehicle of the present embodiment includes a vehicle plate 1, a tool display rack a mounted on the top of the vehicle plate 1, a brake lifting frame C13 of an auxiliary brake mechanism C, and a sunshade mounting plate B3 of a sunshade rack structure B.

Example one

Referring to fig. 1-5, the adjustable ladder stand structure of the present embodiment includes a vehicle board 1, a tool display rack a is installed at the top of the vehicle board 1, four universal wheels 2 are installed at the bottom of the vehicle board 1, a motor structure 4 is installed at the top of the tool display rack a, two first supporting cylinders 5 are connected to the motor structure 4, second supporting cylinders 6 are installed in the two first supporting cylinders 5 in a sliding manner, ladder bars 7 are installed in the two second supporting cylinders 6 in a sliding manner, lantern rings 8 are movably connected to the outer sides of the two first supporting cylinders 5, the two second supporting cylinders 6 and the two ladder bars 7, the bottom ends of the two first supporting cylinders 5 are provided with a same bottom bar 21, leg bars 22 are connected between the two first supporting cylinders 5, the two second supporting cylinders 6 and the two ladder bars 7, a lantern ring 8 is installed on the outer sides of the two first supporting cylinders 5, Two second support section of thick bamboo 6 all set up two lantern rings 8, landing leg pole 22 passes through welded fastening with two lantern rings 8 that correspond to be installed, the bottom of two first support section of thick bamboos 5 all communicates there is gas tube 20, the end of two second support sections of thick bamboo 6 all has first piston plate 12 through welded fastening, the end of two ladder poles 7 all installs second piston plate 19 through welded fastening, two first piston plates 12 respectively with the inner wall sliding connection of two first support sections of thick bamboo 5, two second piston plates 19 respectively with the inner wall sliding connection of two second support sections of thick bamboo 6.

In this embodiment, landing leg pole 22 is hollow structure, and slidable mounting has two sliding blocks 25 in landing leg pole 22, and one side that two sliding blocks 25 are close to each other has same pressure spring 26 through welded fastening installation, and the bottom of two sliding blocks 25 all has a depression bar 27 through welded fastening installation, and depression bar hole 28 has been seted up to landing leg pole 22's bottom, two press depression bar 27 all with depression bar hole 28 sliding connection.

In this embodiment, the inserted bar 24 is all installed through welded fastening in the one side that two sliding blocks 25 kept away from each other, and a plurality of slots 23 have all been seted up in the outside of two first support section of thick bamboos 5, two second support sections of thick bamboos 6 and two ladder poles 7, and inserted bar 24 runs through the lantern ring 8 that corresponds and extends to in the slot 23 that corresponds.

In this embodiment, one side of the first piston plate 12 is provided with one end of a return spring 16 through welding and fixing, the other ends of the return springs 16 are provided with an elastic rod 14 through welding and fixing, the center position of the elastic rod 14 is provided with a sealing head 17 through welding and fixing, the first piston plate 12 and the second support cylinder 6 are provided with a same air hole 18, and the sealing head 17 is connected with the air hole 18 in a sealing manner.

In this embodiment, the inner walls of the first support cylinder 5 and the second support cylinder 6 are respectively fixedly provided with a first limit ring 10 and a second limit ring 29 by welding, and the first piston plate 12 and the second piston plate 19 are respectively adapted to the first limit ring 10 and the second limit ring 29.

In this embodiment, two round holes 13 have been seted up on first piston plate 12, and equal slidable mounting has round bar 15 in two round holes 13, and two round bars 15 all pass through welded fastening with elastic rod 14 and install, have two guide arms 11 through welded fastening on the first spacing ring 10, and two guide arms 11 respectively with two round holes 13 swing joint.

In this embodiment, the ends of the two ladder bars 7 are all fixedly provided with an end block 9 by welding.

Example two

Referring to fig. 1-5, the adjustable ladder stand structure of the present embodiment includes a vehicle board 1, a tool display rack a is installed on the top of the vehicle board 1, four universal wheels 2 are installed on the bottom of the vehicle board 1, a motor structure 4 is installed on the top of the tool display rack a, two first supporting cylinders 5 are connected to the motor structure 4, the motor structure 4 includes a motor, a rotating shaft and a bracket, the bracket plays a supporting role, the rotating shaft is rotatably installed on the bracket, the motor is connected to the rotating shaft, both the first supporting cylinders 5 are fixedly installed with the rotating shaft, the motor is started to drive the two first supporting cylinders 5 to rotate through the rotating shaft for angle adjustment, the second supporting cylinders 6 are slidably installed in both the two first supporting cylinders 5, the ladder bars 7 are slidably installed in both the two second supporting cylinders 6, the outer sides of the two first supporting cylinders 5, the two second supporting cylinders 6 and the two ladder bars 7 are movably connected with lantern rings 8, the bottom of two first support section of thick bamboo 5 is provided with same sill bar 21, two first support sections of thick bamboo 5, all be connected with landing leg pole 22 between two second support sections of thick bamboo 6 and two ladder poles 7, the outside of two first support sections of thick bamboo 5 all sets up a lantern ring 8, two first support sections of thick bamboo 5, two second support sections of thick bamboo 6 all set up two lantern rings 8, landing leg pole 22 and two lantern ring 8 fixed mounting that correspond, the bottom of two first support sections of thick bamboo 5 all communicates has gas tube 20, the equal fixed mounting in end of two second support sections of thick bamboo 6 has first piston plate 12, the equal fixed mounting in end of two ladder poles 7 has second piston plate 19, two first piston plates 12 respectively with the inner wall sliding connection of two first support sections of thick bamboo 5, two second piston plates 19 respectively with the inner wall sliding connection of two second support sections of thick bamboo 6.

In this embodiment, landing leg pole 22 is hollow structure, and slidable mounting has two sliding blocks 25 in landing leg pole 22, and one side fixed mounting that two sliding blocks 25 are close to each other has same pressure spring 26, and the equal fixed mounting in bottom of two sliding blocks 25 has a depression bar 27, and depression bar hole 28 has been seted up to landing leg pole 22's bottom, and two depression bars 27 all with depression bar hole 28 sliding connection, pressure spring 26 provides elasticity for sliding block 25.

In this embodiment, the equal fixed mounting in one side that two sliding blocks 25 kept away from each other has inserted bar 24, and a plurality of slots 23 have all been seted up in the outside of two first support section of thick bamboos 5, two second support sections of thick bamboos 6 and two ladder poles 7, and inserted bar 24 runs through corresponding lantern ring 8 and extends to in the slot 23 that corresponds, and inserted bar 24 gets into and can increase leg pole 22's stability in the slot 23.

In this embodiment, one end of a return spring 16 is fixedly mounted on one side of the first piston plate 12, an elastic rod 14 is fixedly mounted on the other end of each of the return springs 16, a sealing head 17 is fixedly mounted at the center of the elastic rod 14, the same air hole 18 is formed in the first piston plate 12 and the second support cylinder 6, the sealing head 17 is connected with the air hole 18 in a sealing manner, the return spring 16 provides elastic force for the elastic rod 14, and the elastic rod 14 is of a rectangular structure.

In this embodiment, the inner walls of the first support cylinder 5 and the second support cylinder 6 are respectively and fixedly provided with a first limit ring 10 and a second limit ring 29, the first piston plate 12 and the second piston plate 19 are respectively matched with the first limit ring 10 and the second limit ring 29, and the first limit ring 10 and the second limit ring 29 can limit the first piston plate 12 and the second piston plate 19.

In this embodiment, two round holes 13 have been seted up on first piston plate 12, equal slidable mounting has round bar 15 in two round holes 13, two round bars 15 all with 14 fixed mounting of elastic rod, fixed mounting has two guide arms 11 on the first spacing ring 10, two guide arms 11 respectively with two round holes 13 swing joint, two guide arms 11 run through two round holes 13 respectively and extrude two round bars 15 and remove, two round bars 15 promote elastic rod 14 and remove, elastic rod 14 drives sealed head 17 and leaves gas pocket 18.

In this embodiment, the equal fixed mounting in end of two ladder poles 7 has end piece 9, and end piece 9 can carry on spacingly to lantern ring 8.

In this embodiment, when the tool display rack a is used, an air pump is disposed in the tool display rack a, the two air tubes 20 are both communicated with the air pump, the two first support cylinders 5 are inflated by the air pump, the two first piston plates 12 are extruded by air pressure from the two first support cylinders 5 until the two guide rods 11 respectively penetrate through the two circular holes 13 and extrude the two circular rods 15 to move, the two circular rods 15 push the elastic rods 14 to move, the elastic rods 14 drive the sealing heads 17 to leave the air holes 18, at this time, the second support cylinders 6 are communicated with the first support cylinders 5, air enters the second support cylinders 6, the second piston plates 19 are forced to move, the second piston plates 19 push the ladder climbing rods 7 to extend until the second piston plates 19 contact with the second limit rings 29, the two pressing rods 27 are pressed to approach each other, the pressing rods 27 drive the inserting rods 24 to leave the corresponding slots 23 through the sliding blocks 25, so as to adjust the positions of the leg support rods 22, after the adjustment is proper, two pressing rods 27 are loosened, under the action of the elastic force of the pressure spring 26, the inserted rod 24 enters the corresponding slot 23, the stability of the two supporting leg rods 22 is improved, the motor structure 4 can drive the two first supporting cylinders 5 to rotate, the inclination angle can be adjusted to facilitate use, and after the use is completed, the air pressure in the first supporting cylinder 5 and the second supporting cylinder 6 is discharged and recovered.

EXAMPLE III

Referring to fig. 6-9, the tool display rack of this embodiment includes a rack base a1, a rack base a1 mounted on the cart board 1, two rack support plates a2 symmetrically disposed and fixedly mounted on the top of the rack base a1, the same rack top plate A4 fixedly mounted on the tops of the two rack support plates a2, a plurality of rack laminate plates A3 fixedly mounted between the two rack support plates a2, a first rack motor a6 fixedly mounted on the top of the rack top plate A4, two rack threaded rods A5 symmetrically disposed and rotatably connected between the rack top plate A4 and the rack base a1, the two rack threaded rods A5 drivingly connected, a rack moving seat a7 threadedly connected on the rack threaded rod A5, two rack placing rods A8 symmetrically disposed and rotatably connected between the two rack moving seats a7, the two rack placing rods A8 drivingly connected, and the same rack placing plate 9 threadedly connected on the two rack placing rods A8, one side fixed mounting that a support body in two support body removal seats A7 removed seat A7 has second support body motor A11, pole A8 fixed connection is placed with the support body that corresponds to second support body motor A11's output shaft, support body placement plate A9's top fixed mounting has the support body baffle A10 of two symmetry settings, support body placing plate A9's top has been seted up support body sliding tray A12, it is connected with support body lead screw A13 to rotate on support body sliding tray A12's the inner wall, one side fixed mounting that support body placed plate A9 has third support body motor A15, third support body motor A15's output shaft and support body lead screw A13 fixed connection, threaded connection has support body movable block A14 on support body lead screw A13, support body movable block A14's top fixed mounting has support body push pedal A16, sliding connection has support body baffle A18 on support body placement plate A9, support body baffle A18 cooperatees with support body A16 push pedal.

In this embodiment, a frame rack a19 is installed on one side of the frame baffle a18, a frame gear a20 is fixedly installed at one end of the frame lead screw a13, and the frame gear a20 and the frame rack a19 are engaged with each other.

In this embodiment, seted up support body sliding hole A17 on the support body placing plate A9, support body sliding hole A17 and support body baffle A18 sliding connection, and seted up the spacing groove on one side inner wall of support body sliding hole A17, one side fixed mounting of support body baffle A18 has the stopper, stopper and spacing groove sliding connection.

In this embodiment, support body shift gate A21 has been seted up to one side of support body baffle A18, fixed mounting has support body slide bar A23 on the inner wall of support body shift gate A21, sliding connection has support body connecting block A24 on support body slide bar A23, support body connecting block A24 and support body rack A19 fixed connection, and support body connecting block A24's top and the equal fixed mounting in bottom have support body buffer spring A22, support body buffer spring A22 and support body shift gate A21's inner wall fixed connection.

In this embodiment, all fixed the cover is equipped with support body sprocket A25 on two support body threaded rods A5, and the meshing has same support body chain A26 on two support body sprockets A25.

Example four

Referring to fig. 6-9, the tool display stand of this embodiment includes a stand base a1, two stand support plates a2 symmetrically disposed are welded to the top of stand base a1, the same stand top plate a4 is welded to the top of two stand support plates a2, a plurality of stand layer plates A3 are welded between the two stand support plates a2, a first stand motor A6 is fixed to the top of stand top plate a4 by bolts, two stand threaded rods A5 symmetrically disposed are rotatably connected between stand top plate a4 and stand base a1, the two stand threaded rods A5 are in transmission connection, a stand moving seat a7 is in threaded connection with stand threaded rod A5, two stand placing rods A8 symmetrically disposed are rotatably connected between the two stand moving seats a7, the two stand placing rods A8 are in transmission connection, the same stand placing plate a9 is in threaded connection with the two stand placing rods A8, a second stand motor a11 is fixed to one side of one stand moving seat a 539a 7 of the two stand moving seats a7 by bolts, second support body motor A11's output shaft and the support body that corresponds place pole A8 fixed connection, the support body is placed the top welding of board A9 and is had support body baffle A10 that two symmetries set up, support body sliding tray A12 has been seted up at the top that board A9 was placed to the support body, it is connected with support body lead screw A13 to rotate on support body sliding tray A12's the inner wall, one side that board A9 was placed to the support body has third support body motor A15 through the bolt fastening, the output shaft and the support body lead screw A13 fixed connection of third support body motor A15, threaded connection has support body movable block A14 on the support body lead screw A13, the top welding of support body movable block A14 has support body push pedal A16, sliding connection has support body baffle A18 on the board A9 is placed to the support body, support body baffle A18 cooperatees with support body push pedal A16.

In this embodiment, a rack body rack a19 is welded on one side of the rack body baffle a18, a rack body gear a20 is welded on one end of the rack body screw rod a13, the rack body gear a20 is meshed with the rack body rack a19, and the rack body baffle a18 can be driven to move by the mutual meshing of the rack body gear a20 and the rack body rack a19 through the rotating rack body screw rod a 13.

In this embodiment, the support body place and seted up support body sliding hole A17 on the board A9, support body sliding hole A17 and support body baffle A18 sliding connection, and has seted up the spacing groove on one side inner wall of support body sliding hole A17, and the welding of one side of support body baffle A18 has the stopper, stopper and spacing groove sliding connection, and the sliding connection of spacing groove and stopper can carry on spacingly to support body baffle A18.

In this embodiment, support body shift gate a21 has been seted up to one side of support body baffle a18, the welding has support body slide bar a23 on support body shift gate a 21's the inner wall, sliding connection has support body connecting block a24 on support body slide bar a23, support body connecting block a24 and support body rack a19 fixed connection, and support body connecting block a 24's top and bottom all have welded support body buffer spring a22, support body buffer spring a22 and support body shift gate a 21's inner wall fixed connection, support body buffer spring a22 can cushion support body baffle a18 through support body connecting block a 24.

In this embodiment, all fixed the cover is equipped with support body sprocket A25 on two support body threaded rod A5, and the meshing has same support body chain A26 on two support body sprocket A25, and first support body motor A6's output shaft can drive two support body threaded rod A5 simultaneous rotations through two support body sprocket A25 and support body chain A26's intermeshing.

In this embodiment, in operation, a heavier tool is placed on the shelf placing plate a9, and the switch of the first shelf motor A6 is activated, the output of the first shelf motor A6 drives two shelf threaded rods a5 to rotate simultaneously through the mutual engagement of the two shelf sprockets a25 and the shelf chain a26, the shelf threaded rod a5 drives the shelf moving seat a7 to move through the threaded connection with the shelf moving seat a7, the shelf moving seat a7 drives the height of the shelf placing plate a9 to adjust through the shelf placing rod A8, thereby moving to the corresponding shelf laminate A3, when the second shelf motor a11 is activated, the output shaft of the second shelf motor a11 drives the two shelf placing rods A8 to rotate, the rotating shelf placing rod A8 drives the tool to move to a suitable position through the threaded connection with the shelf placing plate a9, the switch of the third shelf motor a15 is activated again, the output shaft of the third shelf motor a15 drives the shelf to rotate the lead screw a13, pivoted support body lead screw A13 drives support body push pedal A16 through the threaded connection with support body movable block A14 and removes, and on the support body push pedal A16 that removes promoted the instrument and removed support body plywood A3, pivoted support body lead screw A13 drives support body gear A20 and rotates simultaneously, and pivoted support body gear A20 drives support body baffle A18 through the intermeshing with support body rack A19 and removes to make the removal that the instrument can be smooth. All structures in this application can carry out the selection of material and length according to the actual use condition.

EXAMPLE five

Referring to fig. 10-13, the auxiliary brake mechanism of this embodiment includes a vehicle plate 1, two first brake support seats C301 and two second brake support seats C302 are fixedly installed at the bottom of the vehicle plate 1, the two first brake support seats C301 and the two second brake support seats C302 are both provided with a rear universal wheel 201 and a front universal wheel 202, the same brake connecting rod C4 is fixedly connected between the two rear universal wheels 201, the bottom of the vehicle plate 1 is fixedly installed with two brake connecting plates C5, the two brake connecting plates C5 are both fixedly connected with a first brake movable column C6, the two first brake movable columns C6 are both movably connected with a brake pressing plate C9, the two brake pressing plates C9 are both fixedly connected with a second brake movable column C11, the two second brake movable columns C11 are both movably connected with a brake cam plate C10, the two brake cam plates C10 are both movably connected with a brake connecting rod C4, one side of each of the two brake cam plates C10 is fixedly connected with a brake pedal lever C12, one end of each of the two brake pedal levers C12 is fixedly connected with the same brake pedal plate C24, and the vehicle plate 1 is provided with a sunshade frame structure B.

In this embodiment, the top of the vehicle panel 1 is fixedly provided with a brake lifting frame C13, the inner wall of the bottom of the brake lifting frame C13 is fixedly provided with a brake driving frame C14, and the brake driving frame C14 is rotatably connected with a brake lifting screw C15.

In this embodiment, a brake lifting screw C16 is connected to the brake lifting screw C15 through a screw, and a brake driven bevel gear C17 is fixedly connected to the brake lifting screw C15.

In this embodiment, one side of the brake driving frame C14 is rotatably connected with a brake driving lever C18, one end of the brake driving lever C18 is fixedly connected with a brake driving bevel gear C19, and the brake driving bevel gear C19 is engaged with a brake driven bevel gear C17.

In this embodiment, one side of the brake driving frame C14 is fixedly provided with a brake lifting motor C20, and an output shaft of the brake lifting motor C20 is fixedly connected with the brake driving rod C18.

In this embodiment, the one end fixedly connected with brake maintenance platform C22 of brake lift screw section of thick bamboo C16, two brake telescopic links C21 of fixedly connected with between brake maintenance platform C22 and brake lift frame C13.

EXAMPLE six

Referring to fig. 10-13, the auxiliary brake mechanism of this embodiment includes a vehicle plate 1, two first brake support seats C301 and two second brake support seats C302 are welded to the bottom of the vehicle plate 1, the two first brake support seats C301 and the two second brake support seats C302 are both provided with rear universal wheels 201 and front universal wheels 202, the same brake connecting rod C4 is welded between the two rear universal wheels 201, the bottom of the vehicle plate 1 is welded with two brake connecting plates C5, the two brake connecting plates C5 are both welded with first brake movable columns C6, the two first brake movable columns C6 are both movably connected with brake pressing plates C9, the two brake pressing plates C9 are both welded with second brake movable columns C11, the two second brake movable columns C11 are both movably connected with brake cam plates C10, the two brake cam plates C10 are both movably connected with brake connecting rods C4, one side of each of the two brake cam plates C10 is connected with a brake pedal lever C12 in a welded mode, one end of each of the two brake pedal levers C12 is connected with the same brake pedal plate C24 in a welded mode, and the vehicle plate 1 is provided with a sunshade frame structure B.

In this embodiment, the top of sweep 1 is welded and is installed brake lift frame C13, and welded installation has brake drive frame C14 on the bottom inner wall of brake lift frame C13, and the internal rotation of brake drive frame C14 is connected with brake lift screw C15, and brake lift screw C15 all has the effect that the drive goes up and down.

In this embodiment, threaded connection has brake lift screw thread section of thick bamboo C16 on the brake lift screw C15, and welded connection has brake driven bevel gear C17 on the brake lift screw C15, and brake lift screw C15 can drive brake lift screw thread section of thick bamboo C16 rebound.

In this embodiment, one side of the brake driving frame C14 is rotatably connected with a brake driving rod C18, one end of the brake driving rod C18 is connected with a brake driving bevel gear C19 in a welding manner, the brake driving bevel gear C19 is engaged with a brake driven bevel gear C17, and the brake driving rod C18 can drive the brake driven bevel gear C17 to rotate through the brake driving bevel gear C19.

In this embodiment, brake driving frame C14's one side welded mounting has brake lift motor C20, brake lift motor C20's output shaft and brake actuating lever C18 welded connection, and brake lift motor C20's output shaft can drive brake actuating lever C18 and rotate.

In this embodiment, the one end welded connection of brake lift screw section of thick bamboo C16 has brake maintenance platform C22, and welded connection has two brake telescopic links C21 between brake maintenance platform C22 and the brake lift frame C13, and brake maintenance platform C22 can drive two brake telescopic links C21 when the rebound is flexible.

In this embodiment, when using this device, start brake lift motor C20, the output shaft of brake lift motor C20 drives brake actuating lever C18 and rotates, brake actuating lever C18 drives the driven bevel gear C17 of brake through brake initiative bevel gear C19 and rotates, driven bevel gear C17 of brake drives brake lift screw C15 and rotates, brake lift screw C15 drives brake lift screw section of thick bamboo C16 rebound, brake lift screw section of thick bamboo C16 drives brake maintenance platform C22 rebound, when needs are braked to this device, the user steps on brake running-board C24 with the foot, brake running-board C24 drives the one end downward displacement of two brake foot rest pole C12. The two brake pedal levers C12 drive the two brake cam plates C10 to rotate on the brake connecting rods C4, and the two brake cam plates C10 drive one ends of the two brake pressure plates C9 to be attached to the two rear universal wheels 201 through the two second brake movable columns C11 and perform friction braking.

EXAMPLE seven

Referring to fig. 14-17, the sunshade frame structure of this embodiment includes a car plate 1, a plurality of universal wheels 2 are fixedly mounted at the bottom of the car plate 1, a sunshade mounting plate B3 is fixedly mounted at the top of the car plate 1, top ends of two sunshade support plates B4 are symmetrically and fixedly mounted on the sunshade mounting plate B3, bottom ends of the two sunshade support plates B4 are both fixedly mounted on the car plate 1, a first sunshade mounting block B6 is movably mounted at the top of the sunshade mounting plate B3, a plurality of first sunshade slots B5 are disposed at one side of the sunshade mounting plate B3, a sunshade baffle B7 is fixedly mounted on the first sunshade mounting block B6, a stop plate B9 is movably mounted at the bottom of the sunshade baffle B7, a sunshade screw B12 is rotatably mounted at the other side of the sunshade mounting plate B3, a sunshade drive plate B13 is threadedly mounted on the sunshade screw B12, the sunshade drive plate B13 is slidably mounted on the sunshade mounting plate B3, a sunshade fixing plate B15 is fixedly mounted on the sunshade mounting plate B3, the sunshade fixing plate B15 is rotatably connected with a sunshade screw B12, a plurality of second sunshade slots B16 are formed in the sunshade fixing plate B15, a sunshade circular plate B17 is fixedly installed at the bottom end of the sunshade screw B12, a sunshade handle B19 is slidably installed on the sunshade circular plate B17, a sunshade extension plate B21 is slidably installed at the top of the sunshade baffle B7, a sunshade sliding groove B23 is formed in the sunshade extension plate B21, a sunshade limit rod B24 is fixedly installed in the sunshade sliding groove B23, a sunshade sliding rod B25 is slidably installed on the sunshade limit rod B24, a sunshade clamping rod B22 is fixedly installed at one end of the sunshade sliding rod B25, and a plurality of sunshade fixed slots B26 are formed in the sunshade extension plate B21.

In this embodiment, the bottom fixed mounting of sunshade baffle B7 has second sunshade installation piece B8, and sunshade limiting plate B9 movable mounting has guaranteed sunshade limiting plate B9's steady motion on second sunshade installation piece B8.

In this embodiment, a sunshade side plate B10 is fixedly mounted on the sunshade mounting plate B3, a sunshade bearing B11 is fixedly mounted at the bottom of the sunshade side plate B10, and the top end of the sunshade screw B12 is fixedly connected with the inner ring of the sunshade bearing B11, so that smooth rotation of the sunshade screw B12 is ensured.

In this embodiment, a sunshade connecting rod B14 is slidably mounted on the sunshade driving board B13, and one end of the sunshade connecting rod B14 is movably mounted on the sunshade baffle B7, so that the movement of the sunshade driving board B13 can drive the sunshade baffle B7 to rotate.

In this embodiment, the sunshade sliding hole B18 is formed in the sunshade circular plate B17, and the sunshade handle B19 is slidably mounted in the sunshade sliding hole B18, thereby ensuring stable sliding of the sunshade handle B19.

In this embodiment, a sunshade pressure spring B20 is fixedly installed in the sunshade sliding hole B18, and the sunshade pressure spring B20 is fixedly connected with the sunshade handle B19, so that the sunshade handle B19 can be reset after losing tension.

Example eight

Referring to fig. 14-17, the sunshade frame structure of this embodiment includes a car plate 1, a plurality of universal wheels 2 are fixedly mounted at the bottom of the car plate 1 by welding, a sunshade mounting plate B3 is fixedly mounted at the top of the car plate 1 by welding, top ends of two sunshade supporting plates B4 are symmetrically and fixedly mounted on the sunshade mounting plate B3 by welding, bottom ends of the two sunshade supporting plates B4 are fixedly mounted on the car plate 1 by welding, one side of the top of the sunshade mounting plate B3, on which a first sunshade mounting block B6 and a sunshade mounting plate B3 are movably mounted, is provided with a plurality of first sunshade slots B5, a sunshade baffle B7 is fixedly mounted on the first sunshade mounting block B6 by welding, a sunshade limiting plate B9 is movably mounted at the bottom of the sunshade baffle B7, a sunshade screw B12 is rotatably mounted on the other side of the sunshade mounting plate B3, a sunshade driving plate B13 is mounted on the sunshade screw B12 by screw, a sunshade B13 is slidably mounted on the sunshade mounting plate B3, a sunshade fixing plate B15 is fixedly installed on the sunshade mounting plate B3 through welding, the sunshade fixing plate B15 is rotatably connected with a sunshade screw B12, a plurality of second sunshade clamping grooves B16 are formed in the sunshade fixing plate B15, a sunshade circular plate B17 is fixedly installed at the bottom end of the sunshade screw B12 through welding, a sunshade handle B19 is slidably installed on the sunshade circular plate B17, a sunshade extension plate B21 is slidably installed at the top of the sunshade baffle B7, a sunshade sliding groove B23 is formed in the sunshade extension plate B21, a sunshade limit rod B24 is fixedly installed in the sunshade sliding groove B23 through welding, a sunshade sliding rod B25 is slidably installed on the sunshade limit rod B24, a sunshade clamping rod B22 is fixedly installed at one end of the sunshade sliding rod B25 through welding, and a plurality of sunshade B26 fixing grooves are formed in the sunshade extension plate B21.

In this embodiment, the bottom of sunshade baffle B7 has second sunshade installation piece B8 through welded fastening, and sunshade limiting plate B9 movable mounting has guaranteed sunshade limiting plate B9's steady motion on second sunshade installation piece B8.

In this embodiment, a sunshade side plate B10 is fixedly mounted on the sunshade mounting plate B3 by welding, a sunshade bearing B11 is fixedly mounted at the bottom of the sunshade side plate B10 by welding, and the top end of the sunshade screw B12 is fixedly connected with the inner ring of the sunshade bearing B11, so that smooth rotation of the sunshade screw B12 is ensured.

In this embodiment, a sunshade connecting rod B14 is slidably mounted on the sunshade driving board B13, and one end of the sunshade connecting rod B14 is movably mounted on the sunshade baffle B7, so that the movement of the sunshade driving board B13 can drive the sunshade baffle B7 to rotate.

In this embodiment, the sunshade sliding hole B18 is formed in the sunshade circular plate B17, and the sunshade handle B19 is slidably mounted in the sunshade sliding hole B18, thereby ensuring stable sliding of the sunshade handle B19.

In this embodiment, a sunshade pressure spring B20 is fixedly installed in the sunshade sliding hole B18 by welding, and the sunshade pressure spring B20 is fixedly connected with the sunshade handle B19, so that the sunshade handle B19 can be reset after losing tension.

In the embodiment, when the maintenance device needs to be used, the maintenance vehicle is moved to a proper position by the plurality of universal wheels 2, after the maintenance vehicle is moved, the sunshade handle B19 is pulled out from the second sunshade slot B16, the sunshade circular plate B17 is rotated, the sunshade circular plate B17 drives the sunshade screw B12 to rotate, the sunshade limit plate B9 is moved out from the first sunshade slot B5, the sunshade screw B12 drives the sunshade drive plate B13 to move, the sunshade drive plate B13 drives the sunshade baffle B7 to rotate by the sunshade connecting rod B14, so that the purpose of adjusting the angle of the sunshade baffle B7 is achieved, the maintenance personnel can be effectively sheltered, after the adjustment is completed, the sunshade limit plate B9 is clamped into the first sunshade slot B5 at the corresponding position, the sunshade handle B19 is released, the sunshade handle B19 is reset under the elastic force of the sunshade pressure spring B20, the second sunshade slot B16 at the corresponding position is clamped, and the sunshade circular plate B17 is fixed, the rotation of the sunshade screw B12 is limited, the stability of the sunshade baffle B7 is ensured, the use is convenient, the sunshade clamping rod B22 can be pulled out from the sunshade fixing groove B23 at the moment by pulling the sunshade clamping rod B22, the sunshade extension plate B21 is moved by the sunshade clamping rod B22, after the sunshade clamping rod B22 is moved to a proper position, the sunshade clamping rod B22 is clamped into the sunshade fixing groove B23 at the moment, and the sunshade area can be enlarged.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention in the technical scope of the present invention.

Claims (7)

1. The subway electric overhaul vehicle is characterized by comprising a vehicle plate (1), wherein a tool display rack (A) and an adjustable ladder stand structure are installed at the top of the vehicle plate (1), a motor structure (4) of the adjustable ladder stand structure is installed at the top of the tool display rack (A), two first supporting cylinders (5) are connected onto the motor structure (4), second supporting cylinders (6) are installed in the two first supporting cylinders (5) in a sliding manner, ladder rods (7) are installed in the two second supporting cylinders (6) in a sliding manner, lantern rings (8) are movably connected to the outer sides of the two first supporting cylinders (5), the two second supporting cylinders (6) and the two ladder rods (7), the same bottom rod (21) is arranged at the bottom ends of the two first supporting cylinders (5), the two second supporting cylinders (6) and the two ladder rods (7) in a sliding manner, the supporting legs (22) are connected between the two first supporting cylinders (5), the two second supporting cylinders (6) and the two ladder rods (7), the leg supporting rods (22) are fixedly installed with the two corresponding lantern rings (8), the bottom ends of the two first supporting cylinders (5) are communicated with the inflation pipes (20), the ends of the two second supporting cylinders (6) are fixedly provided with first piston plates (12), the ends of the two ladder climbing rods (7) are fixedly provided with second piston plates (19), the two first piston plates (12) are respectively in sliding connection with the inner walls of the two first supporting cylinders (5), and the two second piston plates (19) are respectively in sliding connection with the inner walls of the two second supporting cylinders (6);

one end of a return spring (16) is fixedly mounted on one side of the first piston plate (12), elastic rods (14) are fixedly mounted at the other ends of the return springs (16), a sealing head (17) is fixedly mounted at the central position of each elastic rod (14), the first piston plate (12) and the second support cylinder (6) are provided with the same air hole (18), and the sealing head (17) is hermetically connected with the air hole (18);

a first limiting ring (10) is fixedly arranged on the inner wall of the first supporting cylinder (5), and a second limiting ring (29) is fixedly arranged on the inner wall of the second supporting cylinder (6);

the first piston plate (12) is matched with the first limit ring (10), and the second piston plate (19) is matched with the second limit ring (29);

the first piston plate (12) is provided with two round holes (13), round rods (15) are slidably mounted in the two round holes (13), the two round rods (15) are fixedly mounted with an elastic rod (14), two guide rods (11) are fixedly mounted on the first limiting ring (10), and the two guide rods (11) are movably connected with the two round holes (13) respectively;

the tool display rack (A) comprises a rack body base (A1), two rack body supporting plates (A2) which are symmetrically arranged are fixedly installed at the top of the rack body base (A1), the same rack body top plate (A4) is fixedly installed at the top of the two rack body supporting plates (A2), a plurality of rack body laminated plates (A3) are fixedly installed between the two rack body supporting plates (A2), a first rack body motor (A6) is fixedly installed at the top of the rack body top plate (A4), two rack body threaded rods (A5) which are symmetrically arranged are rotatably connected between the rack body top plate (A4) and the rack body base (A1), the two rack body threaded rods (A5) are in transmission connection, a rack body moving seat (A7) is in threaded connection on the rack body threaded rod (A5), two rack body placing rods (A8) which are symmetrically arranged are rotatably connected between the two rack body moving seats (A7), the two rack body placing rods (A8) are in transmission connection, the frame body placing device comprises two frame body placing rods (A8), a same frame body placing plate (A9) is in threaded connection with the two frame body placing rods (A8932), a second frame body motor (A11) is fixedly installed on one side of one frame body moving seat (A7) in the two frame body moving seats (A7), an output shaft of the second frame body motor (A11) is fixedly connected with the corresponding frame body placing rod (A8), two symmetrically-arranged frame body partition plates (A10) are fixedly installed on the top of the frame body placing plate (A9), a frame body sliding groove (A12) is formed in the top of the frame body placing plate (A9), a frame body lead screw (A13) is rotatably connected on the inner wall of the frame body sliding groove (A12), a third frame body motor (A15) is fixedly installed on one side of the frame body placing plate (A9), an output shaft of the third frame body motor (A15) is fixedly connected with a frame body lead screw (A13), a moving block (A14) is in threaded connection with the frame body lead screw (A13), and a push plate (16) is fixedly installed on the top of the frame body moving block (A14), the shelf body placing plate (A9) is connected with a shelf body baffle (A18) in a sliding way, and the shelf body baffle (A18) is matched with the shelf body push plate (A16);

a frame body moving groove (A21) is formed in one side of the frame body baffle (A18), a frame body sliding rod (A23) is fixedly installed on the inner wall of the frame body moving groove (A21), a frame body connecting block (A24) is connected to the frame body sliding rod (A23) in a sliding mode, and the frame body connecting block (A24) is fixedly connected with a frame body rack (A19); the top and the bottom of support body connecting block (A24) all fixed mounting have support body buffer spring (A22), support body buffer spring (A22) and the inner wall fixed connection of support body shifting chute (A21).

2. A subway electric overhaul vehicle as claimed in claim 1, wherein a rack (A19) is installed at one side of the rack baffle (A18), a rack gear (A20) is fixedly installed at one end of the rack lead screw (A13), and the rack gear (A20) is meshed with the rack (A19).

3. A subway electric power overhaul vehicle as claimed in claim 1, wherein a frame body sliding hole (A17) is formed in the frame body placing plate (A9), the frame body sliding hole (A17) is slidably connected with the frame body baffle (A18), a limit groove is formed in the inner wall of one side of the frame body sliding hole (A17), a limit block is fixedly mounted on one side of the frame body baffle (A18), and the limit block is slidably connected with the limit groove.

4. A subway electric overhaul vehicle as claimed in claim 1, wherein two frame body threaded rods (A5) are fixedly sleeved with frame body chain wheels (A25), and the two frame body chain wheels (A25) are engaged with the same frame body chain (A26).

5. A subway electric overhaul vehicle as claimed in claim 1, wherein a brake lifting frame of an auxiliary brake mechanism and a sunshade mounting plate of a sunshade frame structure are further mounted on the top of the vehicle plate;

the auxiliary brake mechanism comprises two first brake supporting seats (C301) and two second brake supporting seats (C302) which are arranged at the bottom of a vehicle plate (1), wherein the two first brake supporting seats (C301) and the two second brake supporting seats (C302) are respectively provided with a rear universal wheel (201) and a front universal wheel (202), the two rear universal wheels (201) are fixedly connected with a same brake connecting rod (C4), the bottom of the vehicle plate (1) is fixedly provided with two brake connecting plates (C5), the two brake connecting plates (C5) are respectively fixedly connected with a first brake movable column (C6), the two first brake movable columns (C6) are respectively and movably connected with a brake pressing plate (C9), the two brake pressing plates (C9) are respectively and fixedly connected with a second brake movable column (C11), the two second brake movable columns (C11) are respectively and movably connected with a brake cam plate (C10), and the two brake cam plates (C10) are respectively and movably connected with a brake connecting rod (C4), one side of each of the two brake cam plates (C10) is fixedly connected with a brake pedal lever (C12), one end of each of the two brake pedal levers (C12) is fixedly connected with the same brake pedal (C24), and a sunshade frame structure (B) is arranged on the bicycle plate (1);

the top of the car plate (1) is fixedly provided with a brake lifting frame (C13), the inner wall of the bottom of the brake lifting frame (C13) is fixedly provided with a brake driving frame (C14), and a brake lifting screw (C15) is rotatably connected in the brake driving frame (C14);

and the brake lifting screw (C15) is in threaded connection with a brake lifting screw cylinder (C16), and the brake lifting screw (C15) is fixedly connected with a brake driven bevel gear (C17).

6. A subway electric overhaul vehicle as claimed in claim 5, wherein a brake driving rod (C18) is rotatably connected to one side of the brake driving frame (C14), a brake driving bevel gear (C19) is fixedly connected to one end of the brake driving rod (C18), and the brake driving bevel gear (C19) is meshed with a brake driven bevel gear (C17);

a brake lifting motor (C20) is fixedly mounted on one side of the brake driving frame (C14), and an output shaft of the brake lifting motor (C20) is fixedly connected with a brake driving rod (C18);

one end fixedly connected with brake maintenance platform (C22) of brake lift screw section of thick bamboo (C16), two brake telescopic links (C21) of fixedly connected with between brake maintenance platform (C22) and brake lift frame (C13).

7. A subway electric overhaul vehicle as claimed in claim 5 or 6, wherein the sunshade frame structure comprises a sunshade mounting plate (B3), the top ends of two sunshade support plates (B4) are symmetrically and fixedly mounted on the sunshade mounting plate (B3), the bottom ends of the two sunshade support plates (B4) are fixedly mounted on the vehicle plate (1), one side of the top of the sunshade mounting plate (B3) where a first sunshade mounting block (B6) and the sunshade mounting plate (B3) are movably mounted is provided with a plurality of first sunshade slots (B5), the first sunshade mounting block (B6) is fixedly provided with a sunshade baffle (B7), the bottom of the sunshade baffle (B7) is movably provided with a sunshade limit plate (B9), the other side of the sunshade mounting plate (B3) is rotatably provided with a sunshade screw (B12), the sunshade drive plate (B13) is threadedly mounted on the sunshade screw (B12), and the sunshade drive plate (B13) is slidably mounted on the sunshade mounting plate (B3), fixed mounting has sunshade fixed plate (B15) on sunshade mounting panel (B3), sunshade fixed plate (B15) rotates with sunshade screw rod (B12) and is connected, a plurality of second sunshade draw-in groove (B16) has been seted up on sunshade fixed plate (B15), the bottom fixed mounting of sunshade screw rod (B12) has sunshade plectane (B17), slidable mounting has sunshade handle (B19) on sunshade plectane (B17), slidable mounting has sunshade extension board (B21) at the top of sunshade baffle (B7), sunshade extension board (B21) is last to have seted up sunshade sliding tray (B23), fixed mounting has sunshade gag lever post (B24) in sunshade sliding tray (B23), slidable mounting has sunshade slide bar (B25) on sunshade gag lever post (B24), the one end fixed mounting of sunshade slide bar (B25) has sunshade gag lever post (B22), a plurality of sunshade fixed slot (B26) has been seted up to sunshade extension board (B21).

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