Motor train unit maintenance supporting platform

By designing the EMU maintenance support platform, the maintenance of each position of the EMU is achieved by using motor-driven threaded rods and electric push rods, the problem that existing devices can only be inspected at the bottom is solved, the maintenance range is expanded, and the limitations are reduced, and buffered The system ensures the stability of the device.

CN222290063UActive Publication Date: 2025-01-03NANJING INST OF RAILWAY TECH
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Patent Information

Application Number
CN202420912266.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-29
Publication Date
2025-01-03
Estimated Expiration
2034-04-29

AI Technical Summary

Technical Problem

The existing EMU maintenance device can only inspect the bottom and cannot detect and repair the top and other positions of the EMU according to actual conditions, which adds limitations.

Method used

A EMU maintenance support platform is designed, including a platform, slide rod, motor, threaded rod, support platform, telescopic frame, limit block and electric push rod. The motor drives the threaded rod to rotate and the electric push rod to push the telescopic frame to move. It realizes automatic adjustment, can detect and repair the top and other positions of the EMU, and ensure the stable use of the support table through fixed cylinders, springs and buffer rods.

Benefits of technology

The maintenance range is expanded, the limitations of the device are reduced, and the detection and maintenance capabilities of each position of the EMU are ensured. At the same time, the buffering system is used to avoid excessive impact force of the support platform when it moves downward, ensuring the stability of the device.

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Abstract

The utility model discloses a motor train unit maintenance supporting platform, and particularly relates to the technical field of motor train unit maintenance, the motor train unit maintenance supporting platform comprises a plurality of platforms, the platforms are fixedly connected to the ground, a plurality of rails used for supporting a motor train unit are arranged in every two adjacent platforms, and the rails are fixedly connected to the ground. A sliding rod is fixedly connected into every two adjacent platforms. And the fixing assembly comprises two clamping blocks which are connected outside the sliding rod in a sliding manner. The motor and the electric push rod are arranged, when the motor drives the threaded rod to rotate, the supporting table drives the two sliding sleeves to slide upwards outside the threaded rod and the movable column, the electric push rod pushes the telescopic frame to move horizontally, the device can be automatically adjusted, the bottom of the motor train unit can be overhauled, and meanwhile the maintenance efficiency of the motor train unit is improved. And the top and other positions of the motor train unit can be detected and maintained according to actual conditions, so that the overhaul range is enlarged, and meanwhile, the limitation of the device in use is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of motor vehicle unit maintenance, in particular to a motor vehicle unit maintenance support platform. Background Art

[0002] EMUs are modern high-speed rail transit vehicles and require regular maintenance during their use to ensure their safe use.

[0003] At present, the existing devices usually adopt the cooperation of guide rails, mounting blocks and driving mechanisms when in use. Although it can save time and effort and improve the maintenance efficiency of the staff, the existing devices can only inspect the bottom of the EMU, and their own height and width cannot be adjusted, resulting in the inability to inspect and repair the top and other positions of the EMU according to actual conditions, which increases the limitations of the existing devices. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides an EMU maintenance support platform, which solves the problem that only the bottom of the EMU can be inspected and maintained, and its own height and width cannot be controlled, resulting in the inability to inspect and repair the top and other positions of the EMU according to actual conditions, which increases the limitations of the existing devices.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a train maintenance support platform, comprising:

[0006] Platforms, the number of the platforms is several, the platforms are fixedly connected to the ground, two adjacent platforms are provided with a plurality of tracks for supporting the EMU, and two adjacent platforms are fixedly connected with sliding rods;

[0007] A fixing assembly, the fixing assembly comprising two blocks slidably connected to the outside of the slide rod, the two blocks are internally threadedly connected to the same bidirectional screw rod, the top end of the bidirectional screw rod is fixedly connected to a handle, and the outside of the bidirectional screw rod is rotatably connected to a fixing seat;

[0008] A moving component includes a moving plate fixedly connected to the right side of a fixed seat, a motor fixedly connected inside the moving plate, a threaded rod fixedly connected to the top of the motor, an external thread of the threaded rod connected to a support platform, two dovetail grooves are provided at the bottom of the support platform, a dovetail block is slidably connected in the dovetail groove, and the right ends of the two dovetail blocks are fixedly connected to a telescopic frame.

[0009] As a further solution of the utility model: the top of the support platform is fixedly connected to two limit columns, the two limit columns are slidably connected to the outside with sliding sleeves, the two sliding sleeves are fixedly connected in the support platform, and the top of the support platform is fixedly connected to a limit block.

[0010] As a further solution of the utility model: an electric push rod is fixedly connected inside the limit block, and the telescopic end of the electric push rod is fixedly connected to the top of the telescopic frame through a connecting block.

[0011] As a further solution of the utility model: a tool box is provided on the top of the telescopic frame, and a counterweight plate is fixedly connected to the bottom left side of the movable plate.

[0012] As a further solution of the utility model: a control box is fixedly connected to the left side of the movable plate, and a fixing cylinder is fixedly connected to the top of the movable plate.

[0013] As a further solution of the utility model: a spring is fixedly connected inside the fixing cylinder, and a buffer rod is fixedly connected to the top of the spring.

[0014] As a further solution of the utility model: the buffer rod is slidably connected in the fixed cylinder, the top of the bidirectional screw rod and the movable column are fixedly connected with the same baffle plate, and the bottom of the movable plate is fixedly connected with a self-locking universal wheel.

[0015] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0016] 1. The EMU maintenance support platform is provided with a motor, a threaded rod, a support platform, a telescopic frame, a limit block and an electric push rod. When the motor drives the threaded rod to rotate, the support platform drives two sliding sleeves to slide upward outside the threaded rod and the moving column, and the electric push rod drives the telescopic frame to move horizontally, so that the device can be automatically adjusted, which can not only inspect the bottom of the EMU, but also inspect and repair the top and other positions of the EMU according to actual conditions, which not only increases the maintenance range, but also reduces the limitations of the device when in use;

[0017] 2. The EMU maintenance support platform is provided with a fixed cylinder, a spring and a buffer rod. When the support platform moves downward, the buffer rod and the spring can be squeezed downward. The buffer rod can buffer the support platform under the action of the spring's own elastic force, avoiding damage caused by excessive impact force when the support platform moves downward, thereby ensuring the stable use of the support platform. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 It is a three-dimensional schematic diagram of the connection structure of the bidirectional screw rod and the fixing seat of the utility model;

[0021] Figure 3 It is a three-dimensional schematic diagram of the connection structure between the support platform and the threaded rod of the utility model;

[0022] Figure 4 It is a three-dimensional schematic diagram of the connection structure of the limit column and the sliding sleeve of the utility model.

[0023] Description of reference numerals:

[0024] 1. Platform; 2. Track; 3. Slide bar; 4. Block; 5. Bidirectional screw; 6. Fixed seat; 7. Moving plate; 8. Motor; 9. Threaded rod; 10. Support platform; 11. Dovetail groove; 12. Dovetail block; 13. Telescopic frame; 14. Limit column; 15. Sliding sleeve; 16. Limit block; 17. Electric push rod; 18. Counterweight plate; 19. Fixed cylinder; 20. Spring; 21. Buffer rod; 22. Self-locking universal wheel. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0026] The utility model provides Figure 1-Figure 4 The EMU maintenance support platform shown includes:

[0027] Platform 1, the number of platforms 1 is several, the platforms 1 are fixedly connected to the ground, two adjacent platforms 1 are provided with multiple tracks 2 for supporting the EMU, and two adjacent platforms 1 are fixedly connected with sliding rods 3;

[0028] The fixing assembly includes two blocks 4 slidably connected to the outside of the slide rod 3, the two blocks 4 are internally threadedly connected to the same bidirectional screw rod 5, the top of the bidirectional screw rod 5 is fixedly connected to a handle, and the outside of the bidirectional screw rod 5 is rotatably connected to a fixing seat 6. By setting the fixing seat 6, the fixing seat 6 can support the electric push rod 17 to avoid the electric push rod 17 from deflecting and shaking when in use, thereby ensuring the stable use of the electric push rod 17;

[0029] A moving assembly includes a moving plate 7 fixedly connected to the right side of a fixed seat 6, a motor 8 fixedly connected inside the moving plate 7, a threaded rod 9 fixedly connected to the top of the motor 8, an external threaded connection of the threaded rod 9 to a support platform 10, two dovetail grooves 11 are provided at the bottom of the support platform 10, a dovetail block 12 is slidably connected inside the dovetail groove 11, by setting the dovetail block 12 and the mutual cooperation between the dovetail block 12 and the dovetail groove 11, it is possible to avoid the dovetail block 12 from being offset and stuck during use, thereby ensuring the stable use of the dovetail block 12, and the right ends of the two dovetail blocks 12 are fixedly connected to a telescopic frame 13.

[0030] The top of the support platform 10 is fixedly connected with two limit columns 14, and the two limit columns 14 are slidably connected with a sliding sleeve 15. By setting the sliding sleeve 15, the sliding sleeve 15 and the limit column 14 cooperate with each other to avoid the support platform 10 from being offset and stuck during the up and down movement, thereby ensuring the stable use of the support platform 10;

[0031] The two sliding sleeves 15 are fixedly connected in the support platform 10, the top of the support platform 10 is fixedly connected to the limit block 16, the limit block 16 is fixedly connected to the electric push rod 17, the telescopic end of the electric push rod 17 is fixedly connected to the top of the telescopic frame 13 through the connecting block, the top of the telescopic frame 13 is provided with a tool box, and the left bottom of the moving plate 7 is fixedly connected to the counterweight plate 18;

[0032] The left side of the moving plate 7 is fixedly connected with a control box, the top of the moving plate 7 is fixedly connected with a fixing cylinder 19, and the fixing cylinder 19 is fixedly connected with a spring 20. By setting the spring 20, the spring 20 can rebound the buffer rod 21, thereby reducing the impact force of the support platform 10 when it moves downward, ensuring the safe use of the support platform 10;

[0033] The top of the spring 20 is fixedly connected with a buffer rod 21, which penetrates and is slidably connected in the fixed tube 19. The top of the bidirectional screw rod 5 and the movable column are fixedly connected with the same baffle, and the bottom of the movable plate 7 is fixedly connected with a self-locking universal wheel 22.

[0034] The working principle of the utility model is:

[0035] When using the device, first move the device to a suitable position, then turn the handle to rotate the bidirectional screw rod 5 and allow the two clamping blocks 4 to move toward each other, so that they can be clamped outside the slide rod 3, and then start the motor 8 through the control box according to actual conditions. When the motor 8 drives the threaded rod 9 to rotate, the support platform 10 drives the two sliding sleeves 15 to slide upward outside the threaded rod 9 and the moving column. When it moves to a suitable position, start the electric push rod 17. While the electric push rod 17 pushes the telescopic frame 13 to move, the telescopic frame 13 drives the two dovetail blocks 12 to slide outward in the dovetail groove 11. After that, the tool box can be opened and the tools in the tool box can be taken to inspect and repair the EMU.

[0036] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A train maintenance support platform, characterized in that: include: Platforms (1), the number of the platforms (1) is several, the platforms (1) are fixedly connected to the ground, two adjacent platforms (1) are provided with a plurality of tracks (2) for supporting the EMU, and two adjacent platforms (1) are fixedly connected with sliding rods (3); A fixing assembly, the fixing assembly comprising two clamping blocks (4) slidably connected to the outside of the slide rod (3), the two clamping blocks (4) being internally threadedly connected to a same bidirectional screw rod (5), the top end of the bidirectional screw rod (5) being fixedly connected to a handle, and the outside of the bidirectional screw rod (5) being rotatably connected to a fixing seat (6); A moving assembly, the moving assembly comprises a moving plate (7) fixedly connected to the right side of a fixed seat (6), a motor (8) fixedly connected inside the moving plate (7), a threaded rod (9) fixedly connected to the top of the motor (8), the threaded rod (9) externally threadedly connected to a support platform (10), two dovetail grooves (11) are provided at the bottom of the support platform (10), a dovetail block (12) is slidably connected inside the dovetail groove (11), and the right ends of the two dovetail blocks (12) are fixedly connected to a telescopic frame (13).

2. The EMU maintenance support platform according to claim 1, characterized in that: The top of the support platform (10) is fixedly connected to two limit columns (14), the outsides of the two limit columns (14) are slidably connected to sliding sleeves (15), the two sliding sleeves (15) are fixedly connected inside the support platform (10), and the top of the support platform (10) is fixedly connected to a limit block (16).

3. The EMU maintenance support platform according to claim 2 is characterized in that: An electric push rod (17) is fixedly connected inside the limit block (16), and the telescopic end of the electric push rod (17) is fixedly connected to the top of the telescopic frame (13) through a connecting block.

4. The EMU maintenance support platform according to claim 1, characterized in that: A tool box is provided on the top of the telescopic frame (13), and a counterweight plate (18) is fixedly connected to the bottom left side of the movable plate (7).

5. The EMU maintenance support platform according to claim 1, characterized in that: The left side of the movable plate (7) is fixedly connected to a control box, and the top of the movable plate (7) is fixedly connected to a fixing cylinder (19).

6. The EMU maintenance support platform according to claim 5, characterized in that: A spring (20) is fixedly connected inside the fixed cylinder (19), and a buffer rod (21) is fixedly connected to the top of the spring (20).

7. The EMU maintenance support platform according to claim 6, characterized in that: The buffer rod (21) penetrates and is slidably connected in the fixed cylinder (19); the top of the bidirectional screw rod (5) and the movable column are fixedly connected to the same baffle plate; the bottom of the movable plate (7) is fixedly connected to a self-locking universal wheel (22).