Cardan shaft dismounting tool

Abstract

The utility model provides a universal shaft dismounting tool, relates to the technical field of auxiliary tools, and solves the technical problem of high labor intensity in the dismounting process caused by lack of a structure for supporting a transmission shaft in the dismounting process of the transmission shaft in the prior art. The device comprises a liftable supporting table, a transverse moving structure, a supporting frame, a vertical lifting structure and a movable clamp, the transverse moving structure is installed on the top face of the liftable supporting table, and the liftable supporting table can do lifting motion; the supporting frame is connected with the transverse moving structure, the supporting frame can move on the transverse moving structure, the movable clamp is connected to the supporting frame through the vertical lifting structure, the movable clamp does lifting motion through the vertical lifting structure, and the movable clamp can clamp a transmission shaft.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary tools, in particular to a universal shaft disassembly tool. Background Art

[0002] Drive shafts are widely used in railway locomotives, EMUs, and subway vehicles. During use, drive shafts are important mechanical parts that are subjected to large stress and torque. In order to ensure the quality and reliability of the drive shaft, flaw detection is required. The purpose of flaw detection is to detect defects on the surface and inside of the drive shaft so that they can be repaired or replaced in a timely manner.

[0003] Currently, in the process of disassembling the transmission shaft, there is a lack of a structure for supporting the transmission shaft, which results in high labor intensity in the disassembly process. Utility Model Content

[0004] The purpose of the utility model is to provide a universal shaft disassembly tool to solve the technical problem that in the process of disassembling the transmission shaft, there is a lack of a structure for supporting the transmission shaft in the prior art, resulting in high labor intensity in the disassembly process. The preferred technical solution among the many technical solutions provided by the utility model can produce many technical effects as described below.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The utility model provides a universal joint shaft disassembly tool, including a liftable support platform, a transverse moving structure, a support frame, a vertical lifting structure and a movable clamp, wherein the transverse moving structure is installed on the top surface of the liftable support platform and the liftable support platform can perform lifting movement, the support frame is connected to the transverse moving structure and the support frame can move on the transverse moving structure, the movable clamp is connected to the support frame through the vertical lifting structure and the movable clamp performs lifting movement through the vertical lifting structure, and the movable clamp can clamp the transmission shaft.

[0007] Optionally, the transverse movement structure includes a transverse guide rail and a slider, the transverse guide rail is installed on the top surface of the liftable support platform, the slider is connected to the bottom of the support frame, and the slider is slidably connected to the transverse guide rail;

[0008] The number of the transverse guide rails is two, and two of the sliding blocks are connected to one supporting frame.

[0009] Optionally, the lateral movement structure is a ball screw structure.

[0010] Optionally, the vertical lifting structure comprises a vertical guide rail, a moving block and an adjusting member, the vertical guide rail is connected to the side wall end of the supporting frame, the moving block is rotatably connected to the side end of the movable clamp, and the moving block is slidably connected to the vertical guide rail;

[0011] The vertical guide rail is provided with a plurality of positioning holes, the moving block is provided with a fixing hole, the adjusting member can pass through the fixing hole and the positioning hole and be threadedly connected, and the adjusting member can limit the movement of the moving block.

[0012] Optionally, one movable clamp connects two vertical lifting structures.

[0013] Optionally, the vertical lifting structure is a ball screw structure or a cylinder assembly.

[0014] Optionally, the movable clamp includes a supporting clamp seat and a fixed clamp seat, the ends of the supporting clamp seat and the fixed clamp seat are connected by bolts, the supporting clamp seat and the fixed clamp seat are both arc-shaped structures, and the end of the supporting clamp seat is rotatably connected to the vertical lifting structure.

[0015] Optionally, bearings are embedded inside both ends of the support clamp seat, and the bearings are connected to the vertical lifting structure through a connecting rod.

[0016] Optionally, a plurality of rolling columns are embedded on the inner wall of the support clamp seat.

[0017] Optionally, the liftable support platform includes a base frame, a lifting frame, a top plate, a handle, a roller and a driving device; the base frame and the top plate are connected via the lifting frame, one end of the driving device is connected to the base frame, and the other end of the driving device is connected to the lifting frame, the handle is connected to a side end of the base frame, the roller is connected to the bottom of the base frame, and the lateral moving structure is installed on the top plate.

[0018] The utility model provides a universal joint shaft disassembly tool. When disassembling and assembling the transmission shaft, the whole tool is moved to the bottom of the transmission shaft by means of a liftable support platform. Then, the height of the movable clamp is adjusted by means of the liftable support platform and the vertical lifting structure. The lateral position of the movable clamp is adjusted by means of the lateral moving structure. Then, the movable clamp is used to clamp the transmission shaft, thereby supporting the transmission shaft. This solves the technical problem in the prior art that, during the process of disassembling the transmission shaft, a structure for supporting the transmission shaft is lacking, thereby causing high labor intensity in the disassembly process. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 The utility model is a schematic structural diagram of a universal shaft disassembly tool provided in an embodiment of the utility model.

[0021] In the figure, 1, a lifting support platform; 11, a bottom frame; 12, a lifting frame; 13, a top plate; 14, a handle; 15, a roller;

[0022] 2. Lateral moving structure; 21. Lateral guide rail; 22. Slider;

[0023] 3. Support frame;

[0024] 4. Vertical lifting structure; 41. Vertical guide rail; 42. Moving block;

[0025] 5. Movable clamp; 51. Support clamp seat; 511. Rolling column; 52. Fixed clamp seat. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0027] In the description of the present utility model, it should be noted that, unless otherwise specified, "multiple" means two or more; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0029] The utility model provides a universal shaft disassembly tool, including a liftable support platform 1, a lateral moving structure 2, a support frame 3, a vertical lifting structure 4 and a movable clamp 5, wherein the lateral moving structure 2 is installed on the top surface of the liftable support platform 1 and the liftable support platform 1 can perform lifting movement, the support frame 3 is connected to the lateral moving structure 2 and the support frame 3 can move on the lateral moving structure 2, the movable clamp 5 is connected to the support frame 3 through the vertical lifting structure 4 and the movable clamp 5 performs lifting movement through the vertical lifting structure 4, and the movable clamp 5 can clamp the transmission shaft. The utility model provides a universal shaft disassembly tool. When disassembling and assembling the transmission shaft, the entire tool is moved to the bottom of the transmission shaft through the liftable support platform 1, and then the height of the movable clamp 5 is adjusted by the liftable support platform 1 and the vertical lifting structure 4, and the lateral position of the movable clamp 5 is adjusted by the lateral moving structure 2, and then the movable clamp 5 is used to clamp the transmission shaft, so as to support the transmission shaft, which solves the technical problem in the prior art that there is a lack of a structure for supporting the transmission shaft during the process of disassembling the transmission shaft, thereby causing high labor intensity in the disassembly process.

[0030] As an optional embodiment, the transverse moving structure 2 includes a transverse guide rail 21 and a slider 22. The transverse guide rail 21 is installed on the top surface of the liftable support platform 1. The slider 22 is connected to the bottom of the support frame 3. The slider 22 is slidably connected to the transverse guide rail 21. By manually pushing the support frame 3, the support frame 3 can be moved back and forth along the direction of the transverse guide rail 21.

[0031] There are two transverse guide rails 21 , and two sliders 22 are connected to one support frame 3 , so that the support frame 3 can move smoothly.

[0032] As an optional embodiment, the lateral movement structure 2 is a ball screw structure, which can automatically adjust the movement of the support frame 3. When there are two support frames 3, the screw in the ball screw structure adopts a bidirectional screw, which can make the two support frames 3 move towards or away from each other at the same time.

[0033] As an optional embodiment, the vertical lifting structure 4 includes a vertical guide rail 41, a moving block 42 and an adjusting member, the vertical guide rail 41 is connected to the side wall end of the support frame 3, the moving block 42 is rotatably connected to the side end of the movable clamp 5, the moving block 42 is slidably connected to the vertical guide rail 41, and the movable clamp 5 is manually pushed to move back and forth along the direction of the vertical guide rail 41;

[0034] A plurality of positioning holes are provided on the vertical guide rail 41, and a fixing hole is provided on the moving block 42. The adjusting member can pass through the fixing hole and the positioning hole and be threadedly connected, and the adjusting member can limit the movement of the moving block 42. When the position of the movable clamp 5 is determined, the positioning hole and the fixing hole correspond to each other, and the adjusting member needs to be threadedly connected with the fixing hole and the positioning hole, so as to limit the movement of the moving block 42.

[0035] As an optional implementation, one movable clamp 5 is connected to two vertical lifting structures 4 , and the two vertical lifting structures 4 are respectively located on both sides of the movable clamp 5 .

[0036] As an optional implementation, the vertical lifting structure 4 is a ball screw structure or a cylinder assembly, which can realize automatic adjustment of the height of the movable clamp 5.

[0037] As an optional implementation, the movable clamp 5 includes a support clamp seat 51 and a fixed clamp seat 52, the ends of the support clamp seat 51 and the fixed clamp seat 52 are connected by bolts, and the support clamp seat 51 and the fixed clamp seat 52 are both arc-shaped structures, in order to facilitate clamping the transmission shaft, the end of the support clamp seat 51 is rotatably connected to the vertical lifting structure 4, when the transmission shaft is in an inclined state, after the transmission shaft is pressed on the support clamp seat 51, the support clamp seat 51 will rotate, so as to facilitate the connection between the support clamp seat 51 and the fixed clamp seat 52. The number of movable clamps 5 and support frames 3 are both two, so that the transmission shaft can be kept stable. The support frame 3 can be a U-shaped frame.

[0038] As an optional implementation, bearings are embedded inside both ends of the support clamp seat 51, and the bearings are connected to the vertical lifting structure 4 through a connecting rod to facilitate the rotation of the support clamp seat 51.

[0039] As an optional implementation, a plurality of rolling columns 511 are embedded on the inner wall of the support clamp seat 51, and the rolling columns 511 can rotate inside the support clamp seat 51. When the transmission shaft is pressed on the support clamp seat 51, the transmission shaft will contact the rolling columns 511, and when the transmission shaft rotates, the rolling columns 511 will also rotate to reduce friction. The plurality of rolling columns 511 are equivalent to a part of the bearing.

[0040] As an optional implementation, the liftable support platform 1 includes a base frame 11, a lifting frame 12, a top plate 13, a handle 14, a roller 15 and a driving device. The base frame 11 and the top plate 13 are connected through the lifting frame 12. One end of the driving device is connected to the base frame 11, and the other end of the driving device is connected to the lifting frame 12. The driving device can drive the lifting frame 12 to perform lifting movements. The handle 14 is connected to the side end of the base frame 11 to facilitate the operator to hold the handle 14. The roller 15 is connected to the bottom of the base frame 11 to facilitate the movement of the liftable support platform 1. The lateral moving structure 2 is installed on the top plate 13.

[0041] The utility model discloses a universal shaft disassembly tool, which can provide a stable support in the disassembly operation of the transmission shaft, has a reasonable design and is easy to operate, is suitable for disassembly of various sizes and angles, improves the precision and operation efficiency of the transmission shaft, avoids deformation caused by external impact during the disassembly process, and affects the service life, is easy to operate, reduces labor intensity, and greatly ensures the health of personnel and the safety and stability of equipment.

[0042] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A universal shaft disassembly tool, characterized in that: It comprises a liftable support platform (1), a lateral movable structure (2), a support frame (3), a vertical lift structure (4) and a movable clamp (5), wherein: The transverse movable structure (2) is installed on the top surface of the liftable support platform (1) and the liftable support platform (1) can perform lifting movement; the support frame (3) is connected to the transverse movable structure (2) and the support frame (3) can move on the transverse movable structure (2); the movable clamp (5) is connected to the support frame (3) via the vertical lifting structure (4) and the movable clamp (5) can perform lifting movement via the vertical lifting structure (4); and the movable clamp (5) can clamp the transmission shaft.

2. A universal joint shaft disassembly tool according to claim 1, characterized in that: The transverse moving structure (2) comprises a transverse guide rail (21) and a slider (22), wherein the transverse guide rail (21) is mounted on the top surface of the liftable support platform (1), and the slider (22) is connected to the bottom of the support frame (3), and the slider (22) is slidably connected to the transverse guide rail (21); The number of the transverse guide rails (21) is two, and two of the sliding blocks (22) are connected to one of the support frames (3).

3. The universal joint shaft disassembly tool according to claim 1, characterized in that: The lateral movement structure (2) is a ball screw structure.

4. The universal joint shaft disassembly tool according to claim 1, characterized in that: The vertical lifting structure (4) comprises a vertical guide rail (41), a moving block (42) and an adjusting member, wherein the vertical guide rail (41) is connected to the side wall end of the supporting frame (3), the moving block (42) is rotatably connected to the side end of the movable clamp (5), and the moving block (42) is slidably connected to the vertical guide rail (41); The vertical guide rail (41) is provided with a plurality of positioning holes, the moving block (42) is provided with a fixing hole, the adjusting member can pass through the fixing hole and the positioning hole and be threadedly connected, and the adjusting member can limit the movement of the moving block (42).

5. The universal joint shaft disassembly tool according to claim 4, characterized in that: One movable clamp (5) connects the two vertical lifting structures (4).

6. The universal joint shaft disassembly tool according to claim 1, characterized in that: The vertical lifting structure (4) is a ball screw structure or a cylinder assembly.

7. The universal joint shaft disassembly tool according to claim 1, characterized in that: The movable clamp (5) comprises a supporting clamp seat (51) and a fixing clamp seat (52), the ends of the supporting clamp seat (51) and the fixing clamp seat (52) are connected by bolts, the supporting clamp seat (51) and the fixing clamp seat (52) are both arc-shaped structures, and the end of the supporting clamp seat (51) is rotatably connected to the vertical lifting structure (4).

8. The universal joint shaft disassembly tool according to claim 7, characterized in that: Bearings are embedded inside both ends of the support clamp seat (51), and the bearings are connected to the vertical lifting structure (4) via a connecting rod.

9. The universal joint shaft disassembly tool according to claim 7, characterized in that: A plurality of rolling columns (511) are embedded on the inner wall of the support clamp seat (51).

10. The universal joint shaft disassembly tool according to claim 1, characterized in that: The liftable support platform (1) comprises a base frame (11), a lifting frame (12), a top plate (13), a handle (14), a roller (15) and a driving device; the base frame (11) and the top plate (13) are connected via the lifting frame (12); one end of the driving device is connected to the base frame (11); the other end of the driving device is connected to the lifting frame (12); the handle (14) is connected to a side end of the base frame (11); the roller (15) is connected to the bottom of the base frame (11); and the transverse moving structure (2) is mounted on the top plate (13).

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