Polishing clamp for inner wall of transmission sleeve at tail end of tractor

Abstract

The utility model discloses an inner wall polishing clamp for a transmission sleeve at the tail end of a tractor, which relates to the technical field of mechanical part polishing and comprises a fixing rod and a clamping mechanism connected with the fixing rod, the clamping mechanism is used for clamping the transmission sleeve at the tail end of the tractor and comprises a fixing plate fixedly connected with the fixing rod, and the fixing plate is used for fixing the transmission sleeve at the tail end of the tractor. A supporting rod is fixedly arranged on the fixing plate, a fixing disc is fixedly arranged at the end, away from the fixing plate, of the supporting rod, a connecting block is fixedly arranged on the fixing disc, a connecting rod is hinged to the connecting block, a clamping claw is hinged to the end, away from the connecting block, of the connecting rod, and an anti-skid groove is formed in the clamping claw; a linkage component capable of driving the clamping jaw to rotate is arranged on the clamping jaw, and a control component used for driving the linkage component to work is arranged on the linkage component. According to the inner wall polishing clamp for the tail end transmission sleeve of the tractor, the tail end transmission sleeve of the tractor can be stably clamped conveniently, and therefore the inner wall polishing effect of the transmission sleeve is improved.

Description

Technical Field

[0001] This utility model relates to the field of polishing technology for mechanical parts, specifically a polishing fixture for the inner wall of a tractor end-drive sleeve. Background Technology

[0002] The tractor end-drive sleeve plays a crucial role in connecting and transmitting power in the transmission system. It transfers power from the driveshaft to the wheels or other working parts, ensuring the tractor can travel normally and complete various tasks. The inner wall of the drive sleeve needs to maintain a good fit with the driveshaft to reduce energy loss and wear during power transmission. Insufficient smoothness of the inner wall will lead to increased friction between the driveshaft and the sleeve, reducing transmission efficiency and increasing energy consumption.

[0003] Existing polishing fixtures for the inner wall of tractor end-drive sleeves typically consist of a fixture body, clamping device, and positioning device to prevent the drive sleeve from moving during polishing. However, existing fixtures mostly use rigid clamping or simple hydraulic clamping methods, which make it difficult to guarantee sufficient and stable clamping force to prevent polishing slippage. At the same time, the vibration generated during polishing can easily cause slight displacement or slippage of the sleeve, which not only affects the uniformity of polishing but may also damage the outer wall of the sleeve or cause the polishing equipment to collide with the workpiece, thereby reducing the polishing effect.

[0004] Therefore, in order to address the above problems, the applicant needs to design a polishing fixture for the inner wall of the tractor end drive sleeve. Utility Model Content

[0005] The purpose of this utility model is to provide a polishing fixture for the inner wall of the end drive sleeve of a tractor, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a polishing fixture for the inner wall of a tractor end-drive sleeve, including a fixing rod.

[0007] It also includes: a clamping mechanism connected to a fixed rod, and the clamping mechanism is used to clamp the end transmission sleeve of the tractor. The clamping mechanism includes a fixed plate fixedly connected to the fixed rod, and a support rod is fixedly installed on the fixed plate. A fixed plate is fixedly installed at the end of the support rod away from the fixed plate, and a connecting block is fixedly installed on the fixed plate. A connecting rod is hinged to the connecting block. A clamping claw is hinged to the end of the connecting rod away from the connecting block, and an anti-slip groove is provided on the clamping claw. A linkage component capable of driving the clamping claw to rotate is provided on the clamping claw, and a control component for driving the linkage component to work is provided on the linkage component.

[0008] Furthermore, the linkage component includes a reinforcing rod hinged to the clamping claw, and the end of the reinforcing rod away from the clamping claw is hinged to the connecting block. A limit rod is hinged to the reinforcing rod, and a movable component is provided at the end of the limit rod away from the reinforcing rod.

[0009] Furthermore, the control component includes a servo motor, the output end of which is provided with a threaded rod, and the threaded rod is threadedly connected to the inner side of the moving part.

[0010] Furthermore, a mounting bracket is fixedly installed on the servo motor, and the mounting bracket is fixedly connected to the mounting plate.

[0011] Furthermore, an electric telescopic rod is fixedly installed at the end of the fixed rod away from the fixed plate, and a support sleeve is fixedly installed on the electric telescopic rod. A support column is fixedly installed on the support sleeve, and a mounting base is fixedly installed at the end of the support column away from the support sleeve.

[0012] Furthermore, the inner wall of the anti-slip groove is embedded with a replaceable elastic pad, and the surface of the elastic pad is provided with anti-slip texture.

[0013] Compared with the prior art, the beneficial effects of this utility model are: the tractor end drive sleeve inner wall polishing jig facilitates the stable clamping of the tractor end drive sleeve, thereby improving the polishing effect of the inner wall of the drive sleeve, as detailed below:

[0014] When using this tractor end-drive sleeve inner wall polishing fixture, the tractor end-drive sleeve is placed between multiple polishing fixtures. The servo motor of the control unit is activated, driving the threaded rod to rotate. This forces the threaded moving part to move axially. The moving part pushes the reinforcing rod through the hinged limit rod. Since the two ends of the reinforcing rod are respectively hinged to the clamping claw and the connecting block, a multi-link linkage is formed, which converts the linear motion of the moving part into the synchronous rotation of the clamping claw around the hinge point of the connecting block. This causes the clamping claw to retract inward and flexibly clamp the outer wall of the sleeve through the elastic pad in the anti-slip groove. After clamping, the electric telescopic rod at the end of the fixed rod can adjust the clamping mechanism and cooperate with the polishing equipment for grinding. During the process, the anti-slip texture of the elastic pad increases the friction to prevent slippage, and the self-locking characteristic of the threaded rod maintains a stable clamping force, thereby improving the polishing effect of the inner wall of the drive sleeve. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention;

[0016] Figure 2 This is a three-dimensional structural diagram of the clamping mechanism of this utility model;

[0017] Figure 3 This utility model Figure 2 Enlarged structural diagram at point A;

[0018] Figure 4 This is a three-dimensional structural diagram of the control component of this utility model.

[0019] In the diagram: 1. Fixed rod; 2. Clamping mechanism; 10. Electric telescopic rod; 11. Support sleeve; 12. Support column; 13. Mounting base; 20. Fixed plate; 21. Support rod; 22. Fixed plate; 23. Connecting block; 24. Connecting rod; 25. Clamping claw; 26. Anti-slip groove; 27. Reinforcing rod; 28. Moving part; 29. ​​Control component; 270. Limiting rod; 290. Servo motor; 291. Threaded rod; 292. Fixed frame. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] like Figures 1-4 As shown, this utility model discloses a polishing fixture for the inner wall of a tractor end transmission sleeve, including a fixed rod 1 and a clamping mechanism 2 connected to the fixed rod 1. The clamping mechanism 2 is used to clamp the tractor end transmission sleeve. The clamping mechanism 2 includes a fixed plate 20 fixedly connected to the fixed rod 1, and a support rod 21 is fixedly disposed on the fixed plate 20. A fixed disk 22 is fixedly disposed at the end of the support rod 21 away from the fixed plate 20, and a connecting block 23 is fixedly disposed on the fixed disk 22. A connecting rod 24 is hinged to the connecting block 23, and a clamping claw 25 is hinged to the end of the connecting rod 24 away from the connecting block 23. An anti-slip groove 26 is provided on the clamping claw 25. A linkage component capable of driving the clamping claw 25 to rotate is provided on the clamping claw 25, and a control component 29 for driving the linkage component to work is provided on the linkage component.

[0022] The linkage component includes a reinforcing rod 27 hinged to the clamping claw 25, and the end of the reinforcing rod 27 away from the clamping claw 25 is hinged to the connecting block 23. A limiting rod 270 is hinged to the reinforcing rod 27, and a movable part 28 is provided at the end of the limiting rod 270 away from the reinforcing rod 27. By setting the linkage component consisting of the reinforcing rod 27 and the limiting rod 270, a stable multi-link mechanism is formed. The double hinge of the reinforcing rod 27 with the clamping claw 25 and the connecting block 23 significantly improves the rigidity of the clamping claw 25, effectively suppressing displacement caused by vibration during polishing operations. The limiting rod 270 guides the movable part 28 to move along a set trajectory, ensuring the synchronous opening and closing of multiple clamping claws 25, preventing the sleeve from tilting due to uneven force, thereby ensuring the uniformity of inner wall polishing.

[0023] The control component 29 includes a servo motor 290. The output end of the servo motor 290 is provided with a threaded rod 291, and the threaded rod 291 is connected to the inner thread of the moving part 28. The servo motor 290 drives the threaded rod 291 as the control component 29 to achieve precise linear displacement of the moving part 28. The threaded transmission has a self-locking characteristic, which can lock the clamping force at any position to prevent loosening during polishing.

[0024] A mounting bracket 292 is fixedly installed on the servo motor 290, and the mounting bracket 292 is fixedly connected to the mounting plate 22. The mounting bracket 292 rigidly connects the servo motor 290 to the mounting plate 22, forming an integral support structure. This effectively absorbs the vibration load during motor operation, prevents the threaded rod 291 from bending and deforming due to cantilever force, and disperses the pressure of the motor weight on the hinge point, extending the service life of the linkage components and ensuring the stability of the clamping force transmission path.

[0025] An electric telescopic rod 10 is fixedly installed at the end of the fixed rod 1 away from the fixed plate 20, and a support sleeve 11 is fixedly installed on the electric telescopic rod 10. A support column 12 is fixedly installed on the support sleeve 11, and a mounting seat 13 is fixedly installed at the end of the support column 12 away from the support sleeve 11. The combination structure of the electric telescopic rod 10, the support sleeve 11, and the support column 12 enables the fixture to have three-dimensional adjustment capability. The mounting seat 13 can be flexibly fixed to the robotic arm or the worktable. The length of the fixture can be adjusted by the electric telescopic rod 10 so that the transmission sleeve is always in the best polishing posture, which is convenient for adapting to polishing equipment that cannot be moved.

[0026] The inner wall of the anti-slip groove 26 is embedded with a replaceable elastic pad, and the surface of the elastic pad is provided with anti-slip texture. The replaceable elastic pad embedded in the anti-slip groove 26 compensates for the tolerance of the outer wall of the sleeve through the flexible deformation of the material, avoiding surface indentation caused by hard clamping. The anti-slip texture increases the friction coefficient and prevents the sleeve from slipping or shifting circumferentially under the action of polishing torque.

[0027] Working principle: When using the tractor end drive sleeve inner wall polishing fixture, the tractor end drive sleeve is placed between multiple polishing fixtures. The servo motor 290 of the control component 29 is started, driving the threaded rod 291 to rotate, forcing the threaded moving part 28 to move axially. The moving part 28 pushes the reinforcing rod 27 through the hinged limiting rod 270. Since the two ends of the reinforcing rod 27 are respectively hinged to the clamping claw 25 and the connecting block 23, a multi-link linkage is formed, which converts the linear motion of the moving part 28 into the synchronous rotation of the clamping claw 25 around the hinge point of the connecting block 23, so that the clamping claw 25 retracts inward and flexibly clamps the outer wall of the sleeve through the elastic pad in the anti-slip groove 26. After clamping, the electric telescopic rod 10 at the end of the fixed rod 1 can adjust the clamping mechanism 2 and cooperate with the polishing equipment for grinding. During the process, the anti-slip texture of the elastic pad increases the friction to prevent slippage, and the self-locking characteristic of the threaded rod 291 maintains a stable clamping force, thereby improving the polishing effect of the inner wall of the drive sleeve.

[0028] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A polishing fixture for the inner wall of a tractor end drive sleeve, comprising a fixing rod (1). Its features are, Also includes: A clamping mechanism (2) is connected to a fixed rod (1) and is used to clamp the end transmission sleeve of a tractor. The clamping mechanism (2) includes a fixed plate (20) fixedly connected to the fixed rod (1), and a support rod (21) is fixedly provided on the fixed plate (20). A fixed disk (22) is fixedly provided at one end of the support rod (21) away from the fixed plate (20), and a connecting block (23) is fixedly provided on the fixed disk (22). A connecting rod (24) is hinged on the connecting block (23). A clamping claw (25) is hinged at one end of the connecting rod (24) away from the connecting block (23), and an anti-slip groove (26) is provided on the clamping claw (25). A linkage component that can drive the clamping claw (25) to rotate is provided on the linkage component, and a control component (29) for driving the linkage component to work is provided on the linkage component.

2. The tractor end-drive sleeve inner wall polishing fixture according to claim 1, characterized in that: The linkage component includes a reinforcing rod (27) hinged to the clamping claw (25), and the end of the reinforcing rod (27) away from the clamping claw (25) is hinged to the connecting block (23). A limiting rod (270) is hinged on the reinforcing rod (27), and a movable component (28) is provided at the end of the limiting rod (27) away from the reinforcing rod (27).

3. A polishing fixture for the inner wall of a tractor end-drive sleeve according to claim 2, characterized in that: The control component (29) includes a servo motor (290), the output end of which is provided with a threaded rod (291), and the threaded rod (291) is threadedly connected to the inner side of the moving part (28).

4. A polishing fixture for the inner wall of a tractor end-drive sleeve according to claim 3, characterized in that: A fixed bracket (292) is fixedly installed on the servo motor (290), and the fixed bracket (292) is fixedly connected to the fixed plate (22).

5. A polishing fixture for the inner wall of a tractor end-drive sleeve according to claim 1, characterized in that: An electric telescopic rod (10) is fixedly installed at one end of the fixed rod (1) away from the fixed plate (20), and a support sleeve (11) is fixedly installed on the electric telescopic rod (10). A support column (12) is fixedly installed on the support sleeve (11), and a mounting base (13) is fixedly installed at one end of the support column (12) away from the support sleeve (11).

6. A polishing fixture for the inner wall of a tractor end-drive sleeve according to claim 1, characterized in that: The inner wall of the anti-slip groove (26) is fitted with a replaceable elastic pad, and the surface of the elastic pad is provided with anti-slip texture.

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