CN217102966U

CN217102966U - Motor train unit windscreen wiper overhauling operation platform

Info

Publication number: CN217102966U
Application number: CN202220533089.8U
Authority: CN
Inventors: 桑佳; 李洲; 王耀华; 陈健; 徐波; 凌如
Original assignee: Nanjing EMU of China Railway Shanghai Group Co Ltd
Current assignee: Nanjing EMU of China Railway Shanghai Group Co Ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-08-02
Anticipated expiration: 2032-03-11

Abstract

The utility model discloses a motor train unit windscreen wiper overhauling operation platform, which comprises a corridor type channel platform, wherein the middle area of the corridor type channel platform is a moving area, a multidimensional worktable mechanism driven by a lead screw transmission mechanism is arranged in the area, the multidimensional worktable mechanism comprises a moving supporting plate, four trapezoidal screws are arranged at the positions, close to the corners, of the top of the moving supporting plate, and the trapezoidal screws are matched with a plurality of steering boxes and a plurality of couplings to drive the trapezoidal screws to rotate through a lifter arranged at the middle position of the top of the moving supporting plate; the utility model discloses a position of touch screen control lead screw drive mechanism adjustment multidimension degree workstation mechanism horizontal direction, then the control lift drives trapezoidal lead screw and rotates the height of adjustment elevating platform vertical direction to satisfy the actual operation demand.

Description

Motor train unit windscreen wiper overhauling operation platform

Technical Field

The utility model relates to a rail transit vehicle overhauls work platform technical field specifically is a EMUs wiper overhauls work platform.

Background

The modern China railway motor train units comprise CRH type series motor train units and CR series motor train units, and the head train structures of the motor train units of different vehicle types are different. The windscreen wiper is used for wiping rain drops and dust attached to the windshield of a head car, so that the visibility of a driver is improved, and the driving safety is improved. In the routine maintenance process of the motor train unit, the windscreen wiper of the head car needs to be checked. The CRH380B motor train unit secondary overhaul project comprises wiper pneumatic component inspection, wiper and window washing system function test, wiper arm composition positive pressure inspection and wiper arm composition (S04) hinged piece and tension spring lubrication, and the CRH2A/C motor train unit secondary overhaul project comprises wiper mounting bolt inspection.

In the process of daily wiper overhauling operation, an operator puts an aluminum alloy ladder on an automobile body at the position of a two-layer platform and a front windshield of an overhauling garage, and carries out inspection operation on the wiper through the ladder by wearing a safety belt by one person. Because the wiper is higher from the ground, the vehicle body has a larger gradient, the safety protection danger coefficient is higher, and certain potential safety hazards exist. In recent years, with the increasing number of maintenance vehicle groups, the safety risk of wiper blade maintenance operation is increasing.

Chinese patent CN209038990U discloses a utility model named as "a splicing type motor train unit wiper overhauling platform". The utility model discloses a patent includes that two sets of symmetries set up the operation platform in the track bridge both sides, and operation platform is including drawing the running part, hand mast lift subtotal folding part, draws running part's leading wheel and rail sliding contact, installs the movable rod that the hand mast lift subtotal that draws the running part top includes many dead levers and the inboard guide rail pulley of dead lever is connected, and the wire rope and the hand capstan winch of each pulley department are connected. The folding platform part is arranged at the top of the movable rod, and the folding parts of the two operation platforms are butted. The platform improves the safety of operation, but is not suitable for operation in the overhaul warehouse because of the platform side in the overhaul warehouse.

Chinese patent CN205220860U discloses a utility model named as 'a process device for maintaining the front window glass of cab of high-speed motor car'. The device consists of a fixed platform, a lifting platform and a glass assembling mechanism. The fixed platform is located the automobile body both sides, and lift platform is located the fixed platform inboard, and operating personnel can remove between two platforms. The lifting platform is connected with a lifting mechanism, the lifting mechanism is fixedly installed on the ground or a fixed platform, and the lifting platform is provided with an inwards concave U-shaped operation platform matched with the shape of the vehicle head. The platform is suitable for various vehicle types, but is not suitable for operation in the overhaul warehouse because the platform side exists in the overhaul warehouse.

Chinese patent CN204873763U discloses a utility model named as "a motor car headstock maintenance work platform". The platform comprises a base and a turnover platform which are hinged through a pin shaft, wherein the upper part of the base is hinged with one end of an electric cylinder, and the other end of the electric cylinder is fixedly connected with a turnover table board; the base is fixed on the bottom leg of the front part of the fork truck. The platform can be folded and stored, and the occupied area is small. The platform is lifted by the forklift, the forklift can only turn from a non-platform side during use, and the concave U-shaped structure of the platform can only be suitable for one end of the motor train unit and has limitation.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a wiper overhauling operation platform of a motor train unit comprises a corridor type channel platform, wherein the middle area of the corridor type channel platform is a moving area, and a multidimensional worktable mechanism driven by a screw rod transmission mechanism is arranged in the moving area;

the multi-dimensional worktable mechanism comprises a movable supporting plate, four trapezoidal lead screws are arranged at the position, close to the corners, of the top of the movable supporting plate, and the trapezoidal lead screws are matched with a plurality of steering boxes and a plurality of couplers to drive the trapezoidal lead screws to rotate through a lifter arranged at the middle position of the top of the movable supporting plate;

the outer surface of the trapezoidal screw rod is in threaded connection with a lifting workbench, the top of the lifting workbench is fixedly connected with a guard rail rod at the position of the trapezoidal screw rod, the inner surface of the guard rail rod is provided with internal threads matched with the trapezoidal screw rod for use, and the outer surface of the guard rail rod is provided with a touch screen;

the top of the movable supporting plate is also provided with an electrical control box, the touch screen is electrically connected with the lifting machine through the electrical control box, the lead screw transmission mechanism is controlled through the touch screen to adjust the position of the multi-dimensional worktable mechanism in the horizontal direction, and then the lifting machine is controlled to drive the trapezoidal lead screw to rotate to adjust the height of the lifting worktable in the vertical direction so as to meet the actual operation requirements.

Furthermore, the guardrail rods comprise a pair of short guardrail rods and a pair of long guardrail rods, one opposite side of each long guardrail rod is rotatably connected with a turnover workbench, and the turnover workbench is driven to turn over by a turnover motor arranged on the movable supporting plate in a manner of being matched with a steel wire rope and a plurality of guide wheels;

the touch screen is electrically connected with the turnover motor through the electrical control box, and after the horizontal direction and the vertical direction of the lifting workbench are adjusted, the turnover motor is controlled to work through the touch screen to put down the turnover workbench so as to extend the operation space of an operator.

Furthermore, the position, close to the top, of one side, opposite to the long guardrail rod, of the long guardrail rod is further provided with a turnover stroke touch switch, the electric control box is electrically connected with the turnover stroke touch switch, when the turnover workbench is folded, the turnover workbench can feed back the turnover stroke touch switch to the electric control box after touching the turnover stroke touch switch, and then the turnover motor stops working continuously.

Further, all be provided with the guardrail on corridor formula passageway platform and the upset workstation, improve the security of work.

Furthermore, the screw rod transmission mechanism comprises a linear optical axis bracket, a pair of optical axes is arranged on the linear optical axis bracket, a screw rod driven by a moving motor is arranged at a position between the optical axes on the linear optical axis bracket, and stroke control switches are arranged at positions on the linear optical axis bracket, which are close to the two ends of the linear optical axis bracket;

the touch screen is electrically connected with the mobile motor through the electric control box;

travel control switch and electric control box electric connection, the removal motor drive lead screw rotates then and drives and remove the layer board and remove along the optical axis direction and remove, when touching travel control switch, travel control switch feeds back to electric control box and then control the mobile motor stop work, plays the effect of protection mobile motor.

The working principle and the beneficial effects are as follows: the position of the multi-dimensional worktable mechanism in the horizontal direction is adjusted by controlling the lead screw transmission mechanism through the touch screen, and then the lifter is controlled to drive the trapezoidal lead screw to rotate so as to adjust the height of the lifting worktable in the vertical direction, so that the actual operation requirement is met.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;

fig. 2 is a schematic top view of the structure of fig. 1 according to the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the multi-dimensional worktable mechanism of the present invention;

FIG. 4 is a schematic view of a three-dimensional structure of a turn-over table in the multi-dimensional table mechanism of the present invention;

fig. 5 is a schematic view of the three-dimensional structure of the screw transmission mechanism of the present invention;

fig. 6 is a schematic diagram of a PCL touch screen control system of the present invention;

FIG. 7 is a flow chart of the operation principle of the multi-dimensional worktable mechanism of the present invention;

fig. 8 is a flow chart of the operation principle of the turnover worktable of the utility model.

In the figure: 1. a corridor-type access platform; 2. a screw drive mechanism; 3. a multi-dimensional table mechanism; 4. moving the supporting plate; 5. a trapezoidal lead screw; 6. an elevator; 7. a steering box; 8. a coupling; 9. lifting the working table; 10. protecting the barrier rod; 11. a touch screen; 12. an electrical control box; 13. turning over the workbench; 14. turning over a motor; 15. a wire rope; 16. a guide wheel; 17. a turnover travel touch switch; 18. a linear optical axis support; 19. an optical axis; 20. a moving motor; 21. a screw rod; 22. a travel control switch.

Detailed Description

The invention will be better understood from the following examples.

The drawings in the specification show the structure, ratio, size, etc. only for the purpose of matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and not for the purpose of limiting the present invention, so the present invention does not have the essential meaning in the art, and any structure modification, ratio relationship change or size adjustment should still fall within the scope covered by the technical content disclosed in the present invention without affecting the function and achievable purpose of the present invention. Meanwhile, the terms "upper", "lower", "front", "rear", "middle", and the like used in the present specification are for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.

As shown in figures 1-8, a EMUs wiper overhauls work platform, includes corridor formula passageway platform 1, its characterized in that: the middle area of the corridor type channel platform 1 is a moving area, and a multi-dimensional worktable mechanism 3 driven by a screw rod transmission mechanism 2 is arranged in the moving area;

the multi-dimensional worktable mechanism 3 comprises a movable supporting plate 4, four trapezoidal lead screws 5 are arranged at the top of the movable supporting plate 4 close to the corners of the movable supporting plate, and the trapezoidal lead screws 5 are matched with a plurality of steering boxes 7 and a plurality of couplings 8 to drive the trapezoidal lead screws to rotate through a lifter 6 arranged at the middle part of the top of the movable supporting plate 4;

the outer surface of the trapezoidal screw 5 is in threaded connection with a lifting workbench 9, the top of the lifting workbench 9 is fixedly connected with a guardrail rod 10 at the position of the trapezoidal screw 5, the inner surface of the guardrail rod 10 is provided with internal threads matched with the trapezoidal screw 5 for use, and the outer surface of the guardrail rod 10 is provided with a touch screen 11;

the top of the movable supporting plate 4 is also provided with an electrical control box 12, a touch screen 11 is electrically connected with the lifter 6 through the electrical control box 12, the position of the horizontal direction of the multi-dimensional worktable mechanism is adjusted through the touch screen control screw rod transmission mechanism, and then the lifter is controlled to drive the trapezoidal screw rod to rotate to adjust the height of the lifting worktable in the vertical direction so as to meet the actual operation requirements.

The guardrail rods 10 comprise a pair of short guardrail rods and a pair of long guardrail rods, one opposite side of each long guardrail rod is rotatably connected with a turnover workbench 13, and the turnover workbench 13 is driven to turn over by a turnover motor 14 arranged on the movable supporting plate 4 in a manner of being matched with a steel wire rope 15 and a plurality of guide wheels 16;

touch screen 11 passes through

electrical control box

12 and 14 electric connection of upset motor, and the upset workstation drives its upset through the upset motor cooperation wire rope and the several guide pulley that set up on moving the layer board.

Wherein, the position that the relative one side of long guardrail pole is close to its top still is provided with upset stroke touch switch 17, and electric control box 12 and upset stroke touch switch 17 electric connection when receiving the upset workstation, can feed back to electric control box after it touches stroke touch switch, then stop the upset motor and continue work.

Wherein, all be provided with the guardrail on corridor formula passageway platform 1 and the upset workstation 13, improve the security of work.

The screw rod transmission mechanism 2 comprises a linear optical axis bracket 18, a pair of optical axes 19 are arranged on the linear optical axis bracket 18, a screw rod 21 driven by a moving motor 20 is arranged at a position between the optical axes 19 on the linear optical axis bracket 18, and stroke control switches 22 are arranged at positions, close to two ends of the linear optical axis bracket 18;

the touch screen 11 is electrically connected with the mobile motor 20 through the electric control box 12;

travel control switch 22 and electrical control box 12 electric connection, the mobile motor drive lead screw rotates and then drives and remove the layer board and remove along the optical axis direction and remove about, when touching travel control switch, travel control switch feeds back to electrical control box and then controls the mobile motor stop work, plays the effect of protection mobile motor.

Claims

1. The utility model provides a EMUs wiper overhauls operation platform, includes corridor formula passageway platform (1), its characterized in that: the middle area of the corridor type channel platform (1) is a moving area, and a multi-dimensional worktable mechanism (3) driven by a screw rod transmission mechanism (2) is arranged in the moving area;

the multi-dimensional worktable mechanism (3) comprises a movable supporting plate (4), four trapezoidal lead screws (5) are arranged at positions, close to the corners of the movable supporting plate (4), of the top of the movable supporting plate (4), and the trapezoidal lead screws (5) are matched with a plurality of steering boxes (7) and a plurality of couplers (8) to drive the trapezoidal lead screws to rotate through a lifter (6) arranged at the middle position of the top of the movable supporting plate (4);

the outer surface of the trapezoidal screw rod (5) is in threaded connection with a lifting workbench (9), the top of the lifting workbench (9) is fixedly connected with a guardrail rod (10) at the position of the trapezoidal screw rod (5), internal threads matched with the trapezoidal screw rod (5) are arranged on the inner surface of the guardrail rod (10), and a touch screen (11) is arranged on the outer surface of the guardrail rod (10);

the top of the movable supporting plate (4) is also provided with an electric control box (12), and the touch screen (11) is electrically connected with the lifter (6) through the electric control box (12).

2. The motor train unit wiper overhauling operation platform of claim 1, which is characterized in that: the guard rail rods (10) comprise a pair of short guard rail rods and a pair of long guard rail rods, one opposite side of each long guard rail rod is rotatably connected with a turnover workbench (13), and the turnover workbench (13) is driven to turn over by a turnover motor (14) arranged on the movable supporting plate (4) in a way of being matched with a steel wire rope (15) and a plurality of guide wheels (16);

the touch screen (11) is electrically connected with the overturning motor (14) through the electric control box (12).

3. The overhauling operation platform for the windscreen wiper of the motor train unit according to claim 2, wherein: the position, close to the top, of the opposite side of the long guardrail rod is also provided with a turnover stroke touch switch (17), and the electric control box (12) is electrically connected with the turnover stroke touch switch (17).

4. The motor train unit wiper overhauling operation platform of claim 2, wherein: guard rails are arranged on the corridor type channel platform (1) and the turnover workbench (13).

5. The motor train unit wiper overhauling operation platform of claim 1, which is characterized in that: the screw rod transmission mechanism (2) comprises a linear optical axis support (18), a pair of optical axes (19) is arranged on the linear optical axis support (18), a screw rod (21) driven by a moving motor (20) is arranged on the linear optical axis support (18) at a position between the optical axes (19), and stroke control switches (22) are arranged on the linear optical axis support (18) at positions close to two ends of the linear optical axis support;

the touch screen (11) is electrically connected with the moving motor (20) through the electric control box (12);

the travel control switch (22) is electrically connected with the electric control box (12).