Motor train unit wheel maintenance structure

Abstract

The utility model relates to a motor train unit wheel maintenance structure which comprises a bottom plate, a motor is fixedly installed on the bottom plate, a rotating disc is fixedly installed on an output shaft of the motor, a plurality of circles of positioning holes are formed in the rotating disc and are evenly and symmetrically arranged, and positioning columns are inserted into the positioning holes. The positioning column is fixedly connected with the turntable through a nut; a threaded cylinder is fixedly mounted in the center of one side of the turntable; a threaded column is mounted on the threaded cylinder through a thread; according to the scheme, the positioning columns are installed in the corresponding positioning holes according to the size of the wheel, the wheel can be installed on the positioning columns through the round holes, the position of the positioning block can be adjusted by rotating the positioning block, the wheel can make contact with the positioning block for positioning, and the edge of the wheel and the position of a middle connecting shaft can be conveniently overhauled; a wheel can be placed on the supporting column, the top plate and the supporting column are lifted upwards by rotating the rotating block, the wheel can rotate conveniently, a round hole in the wheel can be aligned with the positioning column, and the wheel can be moved to the positioning column to be positioned.

Description

Technical Field

[0001] The utility model relates to the technical field of wheel maintenance, in particular to a wheel maintenance structure for a motor vehicle group. Background Art

[0002] The EMU, also known as the "EMU train", is a type of modern train consisting of a number of powered vehicles (EMUs) and non-powered vehicles (trailers). The train operates in a fixed formation mode during its normal service life.

[0003] During the use of EMU wheels, they need to withstand high-speed rotation, which will cause friction and be easily damaged. When problems occur, they need to be repaired. It is inconvenient to fix and rotate the wheels, making it inconvenient to repair the edges of the wheels and the central connecting shaft. Therefore, those skilled in the art provide a wheel repair structure for EMUs to solve the problem. Utility Model Content

[0004] In order to solve the above-mentioned problem that it is inconvenient to inspect and repair the edge of the wheel and the position of the central connecting shaft, the utility model provides a wheel inspection structure for an EMU.

[0005] The utility model provides a wheel maintenance structure for a motor vehicle unit, which adopts the following technical solutions:

[0006] A wheel maintenance structure for an EMU comprises a base plate, on which a motor is fixedly mounted, a turntable is fixedly mounted on the output shaft of the motor, a plurality of circles of positioning holes are arranged on the turntable, and the plurality of positioning holes are evenly and symmetrically arranged, positioning columns are inserted into the positioning holes, the positioning columns are fixedly connected to the turntable by nuts, a threaded barrel is fixedly mounted at the center of one side of the turntable, a threaded barrel is threadedly mounted with a threaded column, a positioning block is fixedly mounted at one end of the threaded column, so that the wheel can be positioned for convenient rotation for maintenance.

[0007] Preferably, a base frame is fixedly mounted on the bottom plate, an arc-shaped groove is arranged on the top of the base frame, a rotating column is rotatably mounted in the arc-shaped groove via a rotating shaft, and the rotating column is in contact with the turntable to support the turntable.

[0008] Preferably, two vertical rods are symmetrically fixedly installed on the top of the base frame, and a top frame is jointly sleeved on the two vertical rods. Nuts are threadedly installed on the tops of the vertical rods, and arc grooves and rotating columns are correspondingly arranged at the bottom of the top frame, which can improve the stability of the turntable.

[0009] Preferably, a moving block is provided on the bottom plate, four plug rods are symmetrically inserted on the top of the moving block, a top plate is fixedly installed on the top of the four plug rods, two arc-shaped plates are fixedly installed on the top of the top plate, a supporting column is rotatably installed between the two arc-shaped plates via a rotating shaft, a threaded rod is fixedly installed on the moving block, the threaded rod passes through the top plate, and a rotating block is installed on the threaded rod via a thread, the rotating block contacts the bottom of the top plate, the wheel can be placed on the supporting column, and the height of the wheel can be adjusted for convenient positioning and placement.

[0010] Preferably, two guide frames are symmetrically fixedly mounted on the bottom plate, and the moving block is slidably mounted on the two guide frames, and the position of the moving block can be adjusted or moved out.

[0011] In summary, the utility model includes the following beneficial technical effects:

[0012] 1. Install the positioning column in the corresponding positioning hole according to the size of the wheel. The wheel can be installed on the positioning column through the round hole. The position of the positioning block can be adjusted by rotating the positioning block. The wheel can contact the positioning block for positioning, which is convenient for inspection and maintenance of the wheel edge and the position of the middle connecting shaft;

[0013] 2. The turntable is located between the bottom frame and the top frame. It can be limited and contacted by the rotating column. The turntable can be driven to rotate by starting the motor, which improves the stability of the turntable rotation and facilitates rotation for maintenance;

[0014] 3. When placing the wheel on the positioning column, the wheel can be placed on the supporting column, and the top plate can be lifted upward by rotating the rotating block. The supporting column facilitates the rotation of the wheel, and the round hole on the wheel can be aligned with the positioning column. The wheel can be moved to the positioning column for positioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of a wheel maintenance structure for a motor vehicle unit in an embodiment of the utility model;

[0016] Figure 2 It is a side view structural diagram of a wheel maintenance structure of an EMU in an embodiment of the utility model;

[0017] Figure 3 The utility model is a schematic diagram of the side view of the cross-sectional installation structure of the underframe of a wheel maintenance structure of an EMU in an embodiment of the utility model.

[0018] Explanation of the accompanying drawings: 1. bottom plate; 2. bottom frame; 3. moving block; 11. motor; 12. turntable; 13. positioning hole; 14. positioning column; 15. threaded cylinder; 16. threaded column; 17. positioning block; 21. vertical rod; 22. top frame; 23. rotating column; 31. guide frame; 32. insertion rod; 33. top plate; 34. arc plate; 35. support column; 36. threaded rod; 37. rotating block. DETAILED DESCRIPTION

[0019] The following is combined with Figure 1-3 The utility model is described in further detail.

[0020] It should be noted that the drawings are schematic and not to scale. For the sake of clarity and convenience, the relative sizes and proportions of the parts shown in the drawings are exaggerated or reduced in size, and any size is only exemplary and not restrictive. In addition, the same reference symbol is used for the same structure, element or accessory appearing in more than two figures to reflect similar features.

[0021] The utility model embodiment discloses a wheel maintenance structure for a motor vehicle group.

[0022] A wheel maintenance structure for an EMU includes a base plate 1, on which a motor 11 is fixedly mounted, a turntable 12 is fixedly mounted on the output shaft of the motor 11, a plurality of circles of positioning holes 13 are provided on the turntable 12, and the plurality of positioning holes 13 are evenly and symmetrically arranged, a positioning column 14 is inserted into the positioning hole 13, the positioning column 14 is fixedly connected to the turntable 12 through a nut, a threaded barrel 15 is fixedly mounted at the center of one side of the turntable 12, a threaded column 16 is threadedly mounted on the threaded barrel 15, and a positioning block 17 is fixedly mounted on one end of the threaded column 16, so that the wheel can be positioned for convenient rotation for maintenance.

[0023] exist Figure 1 and Figure 3 Middle: A base frame 2 is fixedly installed on the bottom plate 1, and an arc groove is provided on the top of the base frame 2. A rotating column 23 is rotatably installed in the arc groove through a rotating shaft. The rotating column 23 contacts the turntable 12 and can support the turntable 12; two vertical rods 21 are symmetrically fixedly installed on the top of the base frame 2, and a top frame 22 is jointly sleeved on the two vertical rods 21. A nut is installed on the top of the vertical rod 21 through a thread, and an arc groove and a rotating column 23 are correspondingly provided at the bottom of the top frame 22, which can improve the stability of the turntable 12.

[0024] exist Figure 1 Middle: A moving block 3 is provided on the bottom plate 1, and four plug rods 32 are symmetrically inserted on the top of the moving block 3, and a top plate 33 is fixedly installed on the top of the four plug rods 32. Two arc plates 34 are fixedly installed on the top of the top plate 33, and a support column 35 is rotatably installed between the two arc plates 34 through a rotating shaft. A threaded rod 36 is fixedly installed on the moving block 3, and the threaded rod 36 passes through the top plate 33, and a rotating block 37 is installed on the threaded rod 36 through a thread. The rotating block 37 contacts the bottom of the top plate 33, so that the wheel can be placed on the support column 35, and the height of the wheel can be adjusted for easy positioning and placement; two guide frames 31 are symmetrically fixedly installed on the bottom plate 1, and the moving block 3 is slidably installed on the two guide frames 31, and the position of the moving block 3 can be adjusted or removed.

[0025] The standard parts used in the utility model can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0026] The implementation principle of a wheel maintenance structure for a motor vehicle of the utility model is as follows: circular holes evenly arranged in an annular manner are opened on the side of the wheel, usually eight in number, and a positioning column 14 is installed in the corresponding positioning hole 13 according to the size of the wheel, and the wheel can be installed on the positioning column 14 through the circular hole, and the threaded cylinder 15 is connected to the threaded column 16 by threads, and the position of the positioning block 17 can be adjusted by rotating the positioning block 17, and the wheel can contact the positioning block 17 for positioning, so as to facilitate the maintenance of the position of the wheel edge and the middle connecting shaft; the turntable 12 is located between the bottom frame 2 and the top frame 22, and can be limited and contacted by the rotating column 23, and the turntable 12 can be driven to rotate by starting the motor 11, so as to improve the stability of the rotation of the turntable 12 and facilitate the rotation for maintenance; when placing the wheel on the positioning column 14, the wheel can be placed on the supporting column 35, and the top plate 33 can be lifted upward by rotating the rotating block 37, so that the supporting column 35 facilitates the rotation of the wheel, and the circular hole on the wheel can be aligned with the positioning column 14, so that the wheel can be moved to the positioning column 14.

[0027] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which can be a mechanical connection or an electrical connection, can be the internal communication of two components, or can be a direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0028] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0029] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A wheel maintenance structure for a train set, comprising a bottom plate (1), characterized in that: A motor (11) is fixedly mounted on the bottom plate (1), a turntable (12) is fixedly mounted on the output shaft of the motor (11), a plurality of locating holes (13) are arranged on the turntable (12), and the plurality of locating holes (13) are evenly and symmetrically arranged, a locating column (14) is inserted into the locating hole (13), the locating column (14) is fixedly connected to the turntable (12) via a nut, a threaded cylinder (15) is fixedly mounted at the center of one side of the turntable (12), a threaded column (16) is threadedly mounted on the threaded cylinder (15), and a locating block (17) is fixedly mounted on one end of the threaded column (16).

2. The wheel maintenance structure for a train set according to claim 1, characterized in that: A base frame (2) is fixedly mounted on the bottom plate (1), an arc-shaped groove is arranged on the top of the base frame (2), a rotating column (23) is rotatably mounted in the arc-shaped groove via a rotating shaft, and the rotating column (23) is in contact with the rotating disk (12).

3. The wheel maintenance structure of a train set according to claim 2, characterized in that: Two vertical rods (21) are symmetrically fixedly mounted on the top of the bottom frame (2), a top frame (22) is sleeved on the two vertical rods (21), nuts are threadedly mounted on the tops of the vertical rods (21), and an arc groove and a rotating column (23) are correspondingly arranged at the bottom of the top frame (22).

4. The EMU wheel maintenance structure according to claim 1, characterized in that: The bottom plate (1) is provided with a moving block (3), four plug rods (32) are symmetrically inserted at the top of the moving block (3), a top plate (33) is fixedly installed on the top of the four plug rods (32), two arc plates (34) are fixedly installed on the top of the top plate (33), a supporting column (35) is rotatably installed between the two arc plates (34) via a rotating shaft, a threaded rod (36) is fixedly installed on the moving block (3), the threaded rod (36) passes through the top plate (33), and a rotating block (37) is threadedly installed on the threaded rod (36), and the rotating block (37) contacts the bottom of the top plate (33).

5. The EMU wheel maintenance structure according to claim 1, characterized in that: Two guide frames (31) are symmetrically fixedly mounted on the bottom plate (1), and the moving block (3) is slidably mounted on the two guide frames (31).

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