Hinge clamp rear axle transmission shaft maintenance device

Abstract

The utility model discloses a hinge clamp rear axle transmission shaft maintenance device which comprises a lower cylinder body, an upper stand column is movably connected in the lower cylinder body, a second hoop is sleeved at the top end of the upper stand column, a third hoop is fixed at the top end of the second hoop, and a transverse rod is installed in the third hoop. A limiting frame is installed at the bottom end of the lower cylinder body, a fifth hoop sleeves the outer wall of the lower cylinder body above the limiting frame, a leg frame is arranged on the outer side of the lower cylinder body at the bottom end of the fifth hoop, and a plurality of inclined supporting legs are rotatably installed on the outer wall of the leg frame; supporting feet are installed at the ends, away from the leg frame, of the inclined supporting legs. According to the maintenance device, the use stability of the maintenance device is improved, the purpose that the maintenance device is easy to carry and transfer is achieved, different persons can adjust and control the maintenance device conveniently, the use convenience of the maintenance device is improved, and the displacement phenomenon generated in the maintenance process of the transmission shaft is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile maintenance equipment, in particular to a maintenance device for an articulated rear axle transmission shaft. Background Art

[0002] As a key component of automobile power transmission, the operating status of the drive shaft directly affects the vehicle's driving performance and safety. Due to its complex structure and harsh working environment, the drive shaft of the rear axle of the articulated truck often suffers from faults such as wear, looseness, and abnormal noise, making it difficult to repair. Traditional maintenance methods mostly rely on manual operations, which are not only inefficient, but also difficult to ensure the quality of maintenance and easily cause secondary damage to the drive shaft. Therefore, it is particularly important to develop an efficient and accurate articulated truck rear axle drive shaft maintenance device.

[0003] Reference publication number CN112936197B is a pneumatic shaft maintenance device, which includes a workbench, a first clamping member and a second clamping member, the workbench is provided with a first base and a second base, a hydraulic cylinder is provided on the first base, the first clamping member is coaxially arranged at the end of the hydraulic cylinder piston rod, the first clamping member includes a first groove portion and a first clamping head, the second clamping member is coaxially arranged at the inflation end of the pneumatic shaft, the second clamping member includes a second groove portion and a second clamping head, a clamp for clamping the first clamping head and the second clamping head is provided on the workbench, a first abutment plate is vertically provided on the second base, and the first abutment plate penetrates An opening is provided for the air shaft to pass through, and an annular groove is coaxially provided at one end of the air shaft away from its inflatable end. The annular groove extends out of the opening in a direction away from the first base and is clamped with a second abutment plate for abutting against the first abutment plate. The second abutment plate is provided with an arc groove clamped with the annular groove. This device has the effect of facilitating the pulling of the inflatable end head. According to the above, although the maintenance device can be well applied, the maintenance components are usually placed in a support manner of a maintenance table, which makes the overall volume of the maintenance device larger and not easy to carry and transport, which often troubles users. Utility Model Content

[0004] The purpose of the present utility model is to provide a maintenance device for the drive shaft of an articulated rear axle, so as to solve the problem in the above-mentioned background technology that although the maintenance device can be well applied, the maintenance parts are usually placed and processed by supporting a maintenance table, which makes the overall volume of the maintenance device large and not easy to carry and transport.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a device for repairing the drive shaft of an articulated rear axle, comprising a lower cylinder, an upper column movably connected to the interior of the lower cylinder, a second clamping hoop mounted on the top end of the upper column, a third clamping hoop fixed to the top end of the second clamping hoop, a cross bar installed inside the third clamping hoop, one end of the cross bar extends to the outside of the third clamping hoop, the other end of the cross bar extends to the outside of the third clamping hoop and is mounted on a sleeve, a limiting frame is installed at the bottom end of the lower cylinder, a fifth clamping hoop is mounted on the outer wall of the lower cylinder above the limiting frame, a leg frame is provided on the outside of the lower cylinder at the bottom end of the fifth clamping hoop, a plurality of diagonal support legs are rotatably mounted on the outer wall of the leg frame, and a support foot is installed at the end of the diagonal support leg away from the leg frame.

[0006] Preferably, a fourth clamp is mounted on the outer wall of the upper end of the lower cylinder, the inner wall of the upper end of the fourth clamp touches the outer wall of the upper column, and the inner diameter of the upper end of the fourth clamp is smaller than the inner diameter of the lower end of the fourth clamp. The fourth clamp is arranged so that the upper column can be locked and placed on the top of the lower cylinder.

[0007] Preferably, a limiting arm is rotatably mounted on the inner wall of the diagonal support leg, and one end of the limiting arm away from the diagonal support leg is rotatably connected to the outer wall of the limiting frame. The limiting arm is provided to support and limit the diagonal support leg.

[0008] Preferably, a first clamp is mounted on the outer wall of the upper column below the second clamp, a tool tray is provided on the surface of the first clamp, and a plurality of tool cavities are provided on the top of the tool tray, so that maintenance tools can be placed and processed through the arrangement of the tool tray and the tool cavity.

[0009] Preferably, a lower V-shaped chuck is provided at one end of the sleeve away from the cross bar, and an upper V-shaped chuck is rotatably mounted on the top of the sleeve above the lower V-shaped chuck, so that the transmission shaft workpiece can be clamped and fixed by the arrangement of the lower V-shaped chuck and the upper V-shaped chuck.

[0010] Preferably, an internal threaded seat is rotatably mounted on the inner side of the lower V-shaped chuck, a stud is mounted on the internal thread of the internal threaded seat, the bottom end of the stud extends to the outside of the internal threaded seat, the top end of the stud passes through the upper V-shaped chuck and is provided with a rotary handle, and the stud can be screwed by rotating the rotary handle.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: the articulated rear axle drive shaft maintenance device not only improves the stability of the maintenance device during use, but also achieves the purpose of facilitating the carrying and transportation of the maintenance device, and also facilitates different personnel to adjust and operate the maintenance device, thereby improving the convenience of use of the maintenance device, and reducing the displacement of the drive shaft during maintenance;

[0012] (1) A plurality of oblique supporting legs are provided through the leg frame on the outer wall of the lower end of the lower cylinder, and a plurality of limiting arms are provided through the limiting arms at the bottom end of the lower cylinder to be rotatably connected to the outer walls of the oblique supporting legs, and supporting feet are installed at the bottom ends of the oblique supporting legs, so that the maintenance device can be supported and placed in a four-point manner, and the volume of the maintenance device is reduced, thereby improving the stability of the maintenance device during use and achieving the purpose of facilitating the carrying and transportation of the maintenance device;

[0013] (2) By sliding the upper column up and down, the upper column in the top area of the lower cylinder is clamped and locked by the fourth clamp to adjust the overall height of the maintenance device, and then the cross bar located on the inner side of the third clamp is slid, and the cross bar is clamped and locked by the third clamp to adjust the position of the upper V-shaped clamp and the lower V-shaped clamp forward and backward, thereby facilitating different personnel to adjust and operate the maintenance device, thereby improving the convenience of using the maintenance device;

[0014] (3) By placing the drive shaft workpiece on the inner side of the lower V-shaped chuck, and then turning the handle to drive the stud located inside the internal thread seat to rotate and slide downward, the upper V-shaped chuck is rotated downward and fits against the surface of the upper end of the drive shaft. The upper V-shaped chuck can cooperate with the lower V-shaped chuck to clamp and fix the drive shaft, thereby reducing the displacement of the drive shaft during maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 A in the middle is an enlarged structural diagram;

[0017] Figure 3 For this utility model Figure 1 The enlarged structural diagram at B in the middle;

[0018] Figure 4 For this utility model Figure 1 The enlarged structural diagram at C in the middle;

[0019] Figure 5 This is a schematic diagram of the bottom V-shaped chuck structure of the utility model when viewed from above.

[0020] In the figure: 1. lower cylinder; 2. upper column; 3. diagonal support leg; 4. limiting arm; 5. support foot; 6. first clamp; 7. tool tray; 701, tool cavity; 8. second clamp; 9. third clamp; 10. cross bar; 11. sleeve; 12. lower V-shaped chuck; 13. upper V-shaped chuck; 14. rotary handle; 15. stud; 16. fourth clamp; 17. fifth clamp; 18. leg frame; 19. limiting frame; 20. internal thread seat. DETAILED DESCRIPTION

[0021] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0022] See also Figure 1-5 The utility model provides an embodiment of a hinged rear axle drive shaft maintenance device, comprising a lower cylinder 1, wherein a fourth clamp 16 is sleeved on the outer wall of the upper end of the lower cylinder 1, the inner wall of the upper end of the fourth clamp 16 contacts the outer wall of the upper column 2, and the inner diameter of the upper end of the fourth clamp 16 is smaller than the inner diameter of the lower end of the fourth clamp 16;

[0023] When in use, the fourth clamp 16 is provided to lock the upper column 2 on the top of the lower cylinder 1;

[0024] The lower cylinder 1 is movably connected to the upper column 2. The top of the upper column 2 is sleeved with a second clamp 8. The outer wall of the upper column 2 below the second clamp 8 is sleeved with a first clamp 6. The surface of the first clamp 6 is provided with a tool tray 7. The top of the tool tray 7 is provided with several tool cavities 701.

[0025] When in use, the tool tray 7 and the tool cavity 701 are arranged so as to place and process the maintenance tools;

[0026] A third clamp 9 is fixed to the top of the second clamp 8, and a cross bar 10 is installed inside the third clamp 9. One end of the cross bar 10 extends to the outside of the third clamp 9, and the other end of the cross bar 10 extends to the outside of the third clamp 9 and is covered with a sleeve 11. The end of the sleeve 11 away from the cross bar 10 is provided with a lower V-shaped clamp 12, and an upper V-shaped clamp 13 is rotatably installed on the top of the sleeve 11 above the lower V-shaped clamp 12;

[0027] When in use, the lower V-shaped chuck 12 and the upper V-shaped chuck 13 are arranged to clamp and fix the transmission shaft workpiece;

[0028] An internal threaded seat 20 is rotatably mounted on the inner side of the lower V-shaped chuck 12. A stud 15 is mounted on the internal thread of the internal threaded seat 20. The bottom end of the stud 15 extends to the outside of the internal threaded seat 20. The top end of the stud 15 passes through the upper V-shaped chuck 13 and is provided with a rotary handle 14.

[0029] When in use, the handle 14 is rotated to screw the stud 15;

[0030] A limiting frame 19 is installed at the bottom end of the lower cylinder 1, and a fifth clamp 17 is installed on the outer wall of the lower cylinder 1 above the limiting frame 19. A leg frame 18 is provided on the outer side of the lower cylinder 1 at the bottom end of the fifth clamp 17. A plurality of diagonal support legs 3 are rotatably installed on the outer wall of the leg frame 18. A limiting arm 4 is rotatably installed on the inner wall of the diagonal support leg 3. The end of the limiting arm 4 away from the diagonal support leg 3 is rotatably connected to the outer wall of the limiting frame 19;

[0031] When in use, the limiting arm 4 is provided to support and limit the diagonal support leg 3;

[0032] A supporting foot 5 is mounted on one end of the diagonal support leg 3 away from the leg frame 18 .

[0033] When the embodiment of the present application is in use, the transmission shaft workpiece is first placed on the inner side of the lower V-shaped chuck 12, and then the handle 14 is turned to drive the stud 15 to rotate inside the internal threaded seat 20 and slide downward, so that the upper V-shaped chuck 13 is rotated downward and fits the surface of the upper end of the transmission shaft. The upper V-shaped chuck 13 can cooperate with the lower V-shaped chuck 12 to clamp and fix the transmission shaft, and then the tool tray 7 is mounted on the outer wall of the upper column 2 through the first clamp 6, so that the tool tray 7 is under the lower V-shaped chuck 12. Because a plurality of tool cavities 701 of different shapes are provided on the top of the tool tray 7, maintenance tools can be placed in the tool cavity 701, so that maintenance personnel can easily pick up tools to perform maintenance operations on the transmission shaft, and then slide the upper column 2 up and down. , then the fourth clamp 16 clamps and locks the upper column 2 in the top area of the lower cylinder 1 to adjust the overall height of the maintenance device, and then slides the cross bar 10 on the inner side of the third clamp 9, and then the third clamp 9 clamps and locks the cross bar 10 to adjust the position of the upper V-shaped clamp 13 and the lower V-shaped clamp 12 back and forth, and finally a plurality of oblique support legs 3 are set through the leg frame 18 on the outer wall of the lower end of the lower cylinder 1, and a plurality of limit arms 4 are set through the bottom end of the lower cylinder 1 through the limit arm 4 to be rotatably connected to the outer wall of the oblique support leg 3, and the bottom ends of the oblique support legs 3 are all installed with support legs 5, so that the maintenance device can be supported and placed in a four-point manner, and the volume of the maintenance device is reduced to facilitate carrying and transportation of the maintenance device, thereby completing the use of the maintenance device.

Claims

1. A device for repairing a drive shaft of an articulated rear axle, characterized by: The invention comprises a lower cylinder (1), wherein the interior of the lower cylinder (1) is movably connected to an upper column (2), the top of the upper column (2) is sleeved with a second hoop (8), the top of the second hoop (8) is fixed with a third hoop (9), a cross bar (10) is installed inside the third hoop (9), one end of the cross bar (10) extends to the outside of the third hoop (9), and the other end of the cross bar (10) extends to the outside of the third hoop (9) and A sleeve (11) is mounted on the bottom end of the lower cylinder (1), a limiting frame (19) is mounted on the outer wall of the lower cylinder (1) above the limiting frame (19), a fifth clamp (17) is mounted on the outer side of the lower cylinder (1) at the bottom end of the fifth clamp (17), a leg frame (18) is provided on the outer side of the lower cylinder (1), a plurality of oblique supporting legs (3) are rotatably mounted on the outer wall of the leg frame (18), and a supporting foot (5) is mounted on the end of the oblique supporting leg (3) away from the leg frame (18).

2. The articulated rear axle drive shaft maintenance device according to claim 1, characterized in that: A fourth hoop (16) is mounted on the outer wall of the upper end of the lower cylinder (1), the inner wall of the upper end of the fourth hoop (16) contacts the outer wall of the upper column (2), and the inner diameter of the upper end of the fourth hoop (16) is smaller than the inner diameter of the lower end of the fourth hoop (16).

3. The articulated rear axle drive shaft maintenance device according to claim 1, characterized in that: A limiting arm (4) is rotatably mounted on the inner wall of the diagonal support leg (3), and one end of the limiting arm (4) away from the diagonal support leg (3) is rotatably connected to the outer wall of the limiting frame (19).

4. The articulated rear axle drive shaft maintenance device according to claim 1, characterized in that: A first hoop (6) is mounted on the outer wall of the upper column (2) below the second hoop (8), a tool tray (7) is provided on the surface of the first hoop (6), and a plurality of tool cavities (701) are provided on the top of the tool tray (7).

5. The articulated rear axle drive shaft maintenance device according to claim 1, characterized in that: A lower V-shaped chuck (12) is provided at one end of the sleeve (11) away from the crossbar (10), and an upper V-shaped chuck (13) is rotatably mounted on the top end of the sleeve (11) above the lower V-shaped chuck (12).

6. The articulated rear axle drive shaft maintenance device according to claim 5, characterized in that: An internal thread seat (20) is rotatably mounted on the inner side of the lower V-shaped chuck (12), and a stud (15) is mounted on the internal thread of the internal thread seat (20). The bottom end of the stud (15) extends to the outside of the internal thread seat (20), and the top end of the stud (15) passes through the upper V-shaped chuck (13) and is provided with a rotary handle (14).

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