Auxiliary turning-over device for traction machine stator

Abstract

The utility model discloses a kind of hoisting machine stator auxiliary turnover tool, including support frame and turnover frame, the top end of the support frame is movably installed with turnover frame, the top end of the turnover frame is installed with rotating frame, the top end of the rotating frame is movably installed with rotary disc, the top end of the rotary disc is installed with clamping frame, movable mounting is installed on the outer wall of the support frame below the turnover frame with limit frame, telescopic arm is slidably installed in the inside of the limit frame, and telescopic arm extends to the outside of limit frame, servo motor is installed on the outer wall of the support frame on the side of telescopic arm. The utility model not only realizes the auxiliary hoisting machine stator turnover of turnover tool convenient, facilitates the multi-angle turnover fixation of hoisting machine stator convenient, facilitates the circumferential rotation of hoisting machine stator convenient, facilitates the height adjustment of hoisting machine stator convenient, and increase the turnover range of hoisting machine stator, improve the convenience of staff to hoisting machine stator multi-position processing.

Description

Technical Field

[0001] This utility model relates to the field of flipping tooling technology, specifically to an auxiliary flipping tooling for a traction machine stator. Background Technology

[0002] The stator is the stationary part of an electric motor or generator. It consists of three parts: the stator core, the stator windings, and the frame. The stator generates a rotating magnetic field and comprises the frame, stator core, coils, and other structural components that hold these parts in place. The frame holds the core in place; in a suspended generator, the frame bears the entire weight of the rotating parts. The core is part of the generator's magnetic circuit, and the coils form the generator's electrical circuit.

[0003] For example, the back-wound stator flipping fixture disclosed in the authorization announcement number CN216981750U is used in the field of motor production technology. It includes two circular rollers and at least two tie rods. The tie rods are vertically connected between the two circular rollers, and the circular rollers and tie rods are detachably connected. The inner surface of the circular rollers is provided with baffles for engaging with the slot end face of the stator core. The stator core is inserted into the core mounting hole of the baffle, and the circular rollers and the process threaded holes of the stator core are connected by fastening bolts.

[0004] Although it enables the stator flipping tool of the back-wound stator to be flipped at any angle without causing damage to the stator core, thus ensuring product quality and effectively solving the flipping problem of the back-wound stator; at the same time, it has a simple structure, strong operability, effectively reduces labor intensity, helps to improve production efficiency and reduce production costs, and does not require hoisting and has high safety.

[0005] However, this does not solve the problem that existing flipping fixtures are generally not conducive to convenient auxiliary traction machine stator flipping during use, are not convenient for convenient multi-angle flipping and fixing of the traction machine stator, are not convenient for convenient circumferential rotation of the traction machine stator, and are not convenient for convenient height adjustment of the traction machine stator, thus affecting the flipping range of the traction machine stator and the convenience of workers to process the traction machine stator in multiple positions. Utility Model Content

[0006] The purpose of this utility model is to provide an auxiliary flipping fixture for the stator of a traction machine, so as to solve the problems mentioned in the background art, such as the inconvenience of assisting in the flipping of the traction machine stator, the inconvenience of convenient multi-angle flipping and fixing of the traction machine stator, the inconvenience of convenient circumferential rotation of the traction machine stator, and the inconvenience of convenient height adjustment of the traction machine stator, which affect the flipping range of the traction machine stator and the convenience of workers in multi-position processing of the traction machine stator.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a stator auxiliary flipping fixture for a traction machine, comprising a support frame and a flipping frame. The flipping frame is movably mounted on the top of the support frame, a rotating frame is mounted on the top of the flipping frame, a rotating disk is movably mounted on the top of the rotating frame, and a clamping frame is mounted on the top of the rotating disk. A limiting frame is movably mounted on the outer wall of the support frame below the flipping frame. A telescopic arm is slidably mounted inside the limiting frame, extending to the outside of the limiting frame. A servo motor is mounted on the outer wall of the support frame on one side of the telescopic arm. A worm gear is mounted on the output end of the servo motor. A tilting shaft is movably mounted on the top of the support frame. A bearing seat is symmetrically fitted onto the surface of the tilting shaft near the support frame, and the bearing seat is connected to the support frame. A bushing is symmetrically fitted onto the surface of the tilting shaft on one side of the tilting frame, and the bushing is connected to the tilting frame. A worm wheel is fitted onto the surface of the tilting shaft on the worm gear side, and the worm wheel meshes with the worm gear. A rotating arm is fitted onto the surface of the tilting shaft on the side of the worm wheel. A connecting shaft is mounted on the outer wall of the rotating arm near the telescopic arm, and the rotating arm is movably connected to the telescopic arm via the connecting shaft. A fixing bolt is mounted on the outer wall of the limiting frame below the connecting shaft, and the fixing bolt extends to the surface of the tilting frame. Preferably, lifting cylinders are symmetrically installed at the top of the rotating frame, and a movable frame is provided outside the rotating frame below the rotating disk, with the output end of the lifting cylinders connected to the movable frame.

[0008] Preferably, a connecting frame is installed on the outer wall of the movable frame, a power cylinder is installed on the outer wall of the connecting frame, and a rack is installed at the output end of the power cylinder, with the rack extending to the outside of the connecting frame.

[0009] Preferably, a rotating shaft is movably mounted at the center of the movable frame, and the rotating shaft extends to the outside of the movable frame and is connected to the rotating disk.

[0010] Preferably, a gear is fitted on the surface of the movable frame near the rotating frame, and the gear meshes with a rack. Multiple sets of equidistant limiting blocks are installed on the top of the movable frame below the rotating disk, and the limiting blocks are slidably connected to the rotating disk.

[0011] Preferably, a stepper motor is installed at the top of the clamping frame, and a bidirectional threaded rod is installed at the output end of the stepper motor, extending into the interior of the clamping frame. Three sets of equally spaced sliding grooves are symmetrically arranged on the outer wall of the clamping frame.

[0012] Preferably, the surface of the bidirectional threaded rod is symmetrically fitted with bidirectional threaded sleeves, and the bidirectional threaded sleeves extend outside the clamping frame, and the bidirectional threaded sleeves are slidably connected to the slide groove. Three sets of clamping arms with equal spacing are movably installed on the outer wall of the bidirectional threaded sleeves.

[0013] Preferably, a drive shaft is installed on the outer wall of the bidirectional threaded sleeve on one side of the clamping arm, and the bidirectional threaded sleeve is movably connected to the clamping arm through the drive shaft. A transmission shaft is installed on the outer wall of the clamping arm on the side away from the drive shaft. Three sets of clamping plates with equal spacing are provided on the outside of the clamping frame on the side of the transmission shaft, and the clamping arm is movably connected to the clamping plate through the transmission shaft.

[0014] Compared with the prior art, the beneficial effects of this utility model are: this flipping fixture not only realizes the convenient auxiliary flipping of the traction machine stator, facilitating convenient multi-angle flipping and fixing of the traction machine stator, facilitating convenient circumferential rotation of the traction machine stator, and facilitating convenient height adjustment of the traction machine stator, but also increases the flipping range of the traction machine stator, improving the convenience for workers to process the traction machine stator in multiple positions. (1) Turn on the stepper motor. The stepper motor drives the three sets of clamping plates to clamp and fix the stator of the traction machine. Manually rotate the fixing bolt. The fixing bolt changes from the locked state to the loose state of the telescopic arm. The servo motor drives the worm to rotate. The worm drives the worm wheel to rotate. The worm wheel drives the flipping shaft to rotate. The flipping shaft drives the bushing to rotate under the movable support of the shaft seat. The bushing drives the flipping frame to rotate. At the same time, the flipping shaft drives the rotating arm to rotate. The rotating arm drives the telescopic arm to move through the connecting shaft. The flipping frame drives the rotating frame, rotating disk, clamping frame, limit frame, clamping plate and the clamped traction machine stator to flip to the appropriate position. It realizes the convenient auxiliary flipping of the traction machine stator by the flipping tool, which facilitates the convenient multi-angle flipping and fixing of the traction machine stator, improves the safety of the traction machine stator flipping, and increases the flipping range of the traction machine stator.

[0015] (2) The power cylinder drives the rack to move, the rack drives the gear to rotate, the gear drives the rotating shaft to rotate, and the rotating shaft drives the rotating disk to rotate under the movable support of the moving frame. The limit block provides sliding support for the rotating disk, so as to facilitate the convenient circumferential rotation of the clamping frame, clamping plate, and traction machine stator by the rotating disk, and to facilitate the adjustment of the position of the traction machine stator. The lifting cylinder drives the moving frame to move, and the moving frame drives the connecting frame, rack, gear, rotating shaft, rotating disk, clamping plate, and traction machine stator to move to the appropriate height, realizing the convenient circumferential rotation of the traction machine stator, facilitating the convenient height adjustment of the traction machine stator, and improving the convenience of multi-position processing of the traction machine stator by the staff.

[0016] (3) The stepper motor drives the bidirectional threaded rod to rotate, the bidirectional threaded rod drives the two sets of bidirectional threaded sleeves to move, the slide groove provides sliding support for the bidirectional threaded sleeves, the bidirectional threaded sleeve drives the clamping arm to move through the drive shaft, and the clamping arm drives the clamping plate to move through the transmission shaft, so as to facilitate the clamping plate to conveniently clamp and fix the stator of the traction machine, realizing the convenient clamping and fixing of the stator of the traction machine by the flip tool, and improving the stability of the flip tool to clamp the stator of the traction machine. Attached Figure Description

[0017] Figure 1 This is a front view structural diagram of the present utility model; Figure 2 This is a three-dimensional structural diagram of the present invention; Figure 3 This is a three-dimensional structural diagram of the support frame of this utility model; Figure 4 This is a three-dimensional structural diagram of the rotating frame of this utility model; Figure 5 This is a three-dimensional structural diagram of the clamping frame of this utility model; Figure 6 This is a three-dimensional structural diagram of the clamping plate of this utility model.

[0018] In the diagram: 1. Support frame; 2. Tilting frame; 3. Rotating frame; 4. Rotary disk; 5. Clamping frame; 6. Limiting frame; 7. Telescopic arm; 8. Servo motor; 9. Worm gear; 10. Tilting shaft; 11. Shaft seat; 12. Worm wheel; 13. Bushing; 14. Rotating arm; 15. Connecting shaft; 16. Fixing bolt; 17. Lifting cylinder; 18. Moving frame; 19. Connecting frame; 20. Power cylinder; 21. Rack; 22. Gear; 23. Rotating shaft; 24. Limiting block; 25. Stepper motor; 26. Bidirectional threaded rod; 27. Bidirectional threaded sleeve; 28. Drive shaft; 29. ​​Clamping arm; 30. Transmission shaft; 31. Clamping plate; 32. Slide groove. Detailed Implementation

[0019] 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.

[0020] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0021] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0022] Example 1 Please see Figure 1-6 This utility model provides an embodiment of a stator auxiliary flipping fixture for a traction machine, comprising a support frame 1 and a flipping frame 2. The flipping frame 2 is movably mounted on the top of the support frame 1, a rotating frame 3 is mounted on the top of the flipping frame 2, a rotating disk 4 is movably mounted on the top of the rotating frame 3, and a clamping frame 5 is mounted on the top of the rotating disk 4. A limiting frame 6 is movably mounted on the outer wall of the support frame 1 below the flipping frame 2. A telescopic arm 7 is slidably mounted inside the limiting frame 6 and extends to the outside of the limiting frame 6. A servo motor 8 is mounted on the outer wall of the support frame 1 on one side of the telescopic arm 7. A worm gear 9 is mounted on the output end of the servo motor 8. A flipping shaft 10 is movably mounted on the top of the support frame 1 on one side of the worm gear 9. A shaft seat 11 is symmetrically and movably fitted on the surface of the shaft 10 near the support frame 1, and the shaft seat 11 is connected to the support frame 1. A bushing 13 is symmetrically fitted on the surface of the rotating shaft 10 on the side of the rotating frame 2, and the bushing 13 is connected to the rotating frame 2. A worm wheel 12 is fitted on the surface of the rotating shaft 10 on the side of the worm 9, and the worm wheel 12 meshes with the worm 9. A rotating arm 14 is fitted on the surface of the rotating shaft 10 on the side of the worm wheel 12. A connecting shaft 15 is installed on the outer wall of the rotating arm 14 near the telescopic arm 7, and the rotating arm 14 is movably connected to the telescopic arm 7 through the connecting shaft 15. A fixing bolt 16 is installed on the outer wall of the limiting frame 6 below the connecting shaft 15, and the fixing bolt 16 extends to the surface of the rotating frame 2. The traction machine stator is placed on one side of the three sets of clamping plates 31. The stepper motor 25 is turned on, and the stepper motor 25 drives the three sets of clamping plates 31 to clamp and fix the traction machine stator. The fixing bolt 16 is manually rotated, and the fixing bolt 16 changes from a locked state to a loose state for the telescopic arm 7. The servo motor 8 is turned on, and under the support of the support frame 1, the servo motor 8 drives the worm 9 to rotate. Under the meshing of the worm 9 and the worm wheel 12, the worm 9 drives the worm wheel 12 to rotate, and the worm wheel 12 drives the tilting shaft 10 to rotate. The tilting shaft 10 drives the bushing 13 to rotate under the movable support of the shaft seat 11. The bushing 13 drives the tilting frame 2 to rotate. At the same time, the tilting shaft 10 drives the rotating arm 14 to rotate. Arm 14 drives telescopic arm 7 to move via connecting shaft 15. Limiting frame 6 provides sliding support for telescopic arm 7, facilitating limiting support for tilting frame 2. Tilting frame 2 drives rotating frame 3, rotating disk 4, clamping frame 5, limiting frame 6, clamping plate 31, and the clamped traction machine stator to rotate to a suitable position. Manually rotating fixing bolt 16 changes the telescopic arm 7 from a loose state to a locked state, facilitating convenient tilting of traction machine stator. This achieves convenient auxiliary tilting of traction machine stator using tilting fixture, facilitating convenient multi-angle tilting and fixing of traction machine stator, improving the safety of traction machine stator tilting, and increasing the tilting range of traction machine stator. A lifting cylinder 17 is symmetrically installed on the top of the rotating frame 3. A movable frame 18 is provided outside the rotating frame 3 below the rotating disk 4. The output end of the lifting cylinder 17 is connected to the movable frame 18. A connecting frame 19 is installed on the outer wall of the movable frame 18. A power cylinder 20 is installed on the outer wall of the connecting frame 19. A rack 21 is installed on the output end of the power cylinder 20. The rack 21 extends to the outside of the connecting frame 19. A rotating shaft 23 is movably installed at the center of the movable frame 18. The rotating shaft 23 extends to the outside of the movable frame 18 and is connected to the rotating disk 4. A gear 22 is fitted on the surface of the movable frame 18 near the rotating frame 3. The gear 22 meshes with the rack 21. Multiple sets of limit blocks 24 with equal spacing are installed on the top of the movable frame 18 below the rotating disk 4. The limit blocks 24 are slidably connected to the rotating disk 4. When the traction machine stator needs to be rotated, the power cylinder 20 is activated. Supported by the connecting frame 19, the power cylinder 20 drives the rack 21 to move. Under the meshing of the rack 21 and the gear 22, the rack 21 drives the gear 22 to rotate. The gear 22 drives the rotating shaft 23 to rotate. The rotating shaft 23, supported by the movable support of the moving frame 18, drives the rotating disk 4 to rotate. The limiting block 24 provides sliding support for the rotating disk 4, facilitating the convenient circumferential rotation of the rotating disk 4, the clamping frame 5, the clamping plate 31, and the traction machine stator, thus facilitating adjustment. By adjusting the position of the stator of the traction machine, two sets of lifting cylinders 17 are opened. Supported by the rotating frame 3, the lifting cylinders 17 drive the moving frame 18 to move. The moving frame 18 drives the connecting frame 19, rack 21, gear 22, rotating shaft 23, rotating disk 4, clamping plate 31, and traction machine stator to move to the appropriate height, so as to facilitate convenient height adjustment of the traction machine stator. This realizes convenient circumferential rotation of the traction machine stator, facilitates convenient height adjustment of the traction machine stator, and improves the convenience of multi-position processing of the traction machine stator by the staff. A stepper motor 25 is installed at the top of the clamping frame 5. A bidirectional threaded rod 26 is installed at the output end of the stepper motor 25 and extends into the interior of the clamping frame 5. Three sets of equally spaced sliding grooves 32 are symmetrically arranged on the outer wall of the clamping frame 5. A bidirectional threaded sleeve 27 is symmetrically fitted on the surface of the bidirectional threaded rod 26 and extends into the outside of the clamping frame 5. The bidirectional threaded sleeve 27 is slidably connected to the sliding groove 32. Three sets of equally spaced clamping arms 29 are movably installed on the outer wall of the bidirectional threaded sleeve 27. A drive shaft 28 is installed on the outer wall of the bidirectional threaded sleeve 27 on one side of the clamping arm 29 and is movably connected to the clamping arm 29 through the drive shaft 28. A transmission shaft 30 is installed on the outer wall of the clamping arm 29 away from the drive shaft 28. Three sets of equally spaced clamping plates 31 are arranged on the outside of the clamping frame 5 on the side of the transmission shaft 30 and the clamping arm 29 is movably connected to the clamping plate 31 through the transmission shaft 30. When the traction machine stator needs to be clamped, the stepper motor 25 is turned on. With the support of the clamping frame 5, the stepper motor 25 drives the bidirectional threaded rod 26 to rotate. With the threaded connection between the bidirectional threaded rod 26 and the bidirectional threaded sleeve 27, the bidirectional threaded rod 26 drives the two sets of bidirectional threaded sleeves 27 to move. The slide groove 32 provides sliding support for the bidirectional threaded sleeves 27. The bidirectional threaded sleeves 27 drive the clamping arm 29 to move via the drive shaft 28. The clamping arm 29 drives the clamping plate 31 to move via the transmission shaft 30, so that the clamping plate 31 can easily clamp and fix the traction machine stator. This realizes the convenient clamping and fixing of the traction machine stator by the flip tooling and improves the stability of the flip tooling in clamping the traction machine stator.

[0023] Work steps Stepper motor 25 drives three sets of clamping plates 31 to clamp and fix the traction machine stator. Servo motor 8 drives worm gear 9 to rotate, worm gear 9 drives worm wheel 12 to rotate, worm wheel 12 drives tilting shaft 10 to rotate. Tilting shaft 10 drives bushing 13 to rotate under the movable support of bearing 11. Bushing 13 drives tilting frame 2 to rotate. At the same time, tilting shaft 10 drives rotating arm 14 to rotate. Rotating arm 14 drives telescopic arm 7 to move via connecting shaft 15, so that telescopic arm 7 can provide limiting support for tilting frame 2. Tilting frame 2 drives rotating frame 3, rotating disk 4, clamping frame 5, limiting frame 6, clamping plate 31, and the clamped traction machine stator to rotate to a suitable position. Power cylinder 20 drives rack 21 to move, rack 21 drives gear 22 to rotate, gear 2 2 drives the rotating shaft 23 to rotate. Under the movable support of the moving frame 18, the rotating shaft 23 drives the rotating disk 4 to rotate. The lifting cylinder 17 drives the moving frame 18 to move. The moving frame 18 drives the connecting frame 19, rack 21, gear 22, rotating shaft 23, rotating disk 4, clamping plate 31, and traction machine stator to move to the appropriate height to facilitate convenient height adjustment of the traction machine stator. The stepper motor 25 drives the bidirectional threaded rod 26 to rotate. The bidirectional threaded rod 26 drives the two sets of bidirectional threaded sleeves 27 to move. The bidirectional threaded sleeves 27 drive the clamping arm 29 to move via the drive shaft 28. The clamping arm 29 drives the clamping plate 31 to move via the transmission shaft 30 to facilitate convenient clamping and fixing of the traction machine stator by the clamping plate 31, thus completing the use of the flipping fixture.

[0024] 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 and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A stator auxiliary flipping fixture for a traction machine, characterized in that: The system includes a support frame and a tilting frame. The tilting frame is movably mounted on the top of the support frame. A rotating frame is mounted on the top of the tilting frame. A rotating disk is movably mounted on the top of the rotating frame. A clamping frame is mounted on the top of the rotating disk. A limit frame is movably mounted on the outer wall of the support frame below the tilting frame. A telescopic arm is slidably mounted inside the limit frame and extends to the outside of the limit frame. A servo motor is mounted on the outer wall of the support frame on one side of the telescopic arm. A worm gear is mounted on the output end of the servo motor. A tilting shaft is movably mounted on the top of the support frame on one side of the worm gear. A bearing seat is symmetrically and movably fitted on the surface of the rotating shaft near the support frame, and the bearing seat is connected to the support frame. A bushing is symmetrically fitted on the surface of the rotating shaft on one side of the rotating frame, and the bushing is connected to the rotating frame. A worm wheel is fitted on the surface of the rotating shaft on one side of the worm, and the worm wheel meshes with the worm. A rotating arm is fitted on the surface of the rotating shaft on one side of the worm wheel. A connecting shaft is installed on the outer wall of the rotating arm near the telescopic arm, and the rotating arm is movably connected to the telescopic arm through the connecting shaft. A fixing bolt is installed on the outer wall of the limiting frame below the connecting shaft, and the fixing bolt extends to the surface of the rotating frame.

2. The stator auxiliary flipping fixture for a traction machine according to claim 1, characterized in that: The top of the rotating frame is symmetrically equipped with lifting cylinders, and a movable frame is provided outside the rotating frame below the rotating disk, and the output end of the lifting cylinder is connected to the movable frame.

3. The stator auxiliary flipping fixture for a traction machine according to claim 2, characterized in that: A connecting frame is installed on the outer wall of the movable frame, and a power cylinder is installed on the outer wall of the connecting frame. A rack is installed at the output end of the power cylinder, and the rack extends to the outside of the connecting frame.

4. The stator auxiliary flipping fixture for a traction machine according to claim 2, characterized in that: A rotating shaft is movably mounted at the center of the mobile frame, and the rotating shaft extends to the outside of the mobile frame and is connected to the rotating disk.

5. The stator auxiliary flipping fixture for a traction machine according to claim 2, characterized in that: The movable frame is fitted with gears on the surface near the rotating frame, and the gears mesh with the rack. Multiple sets of equidistant limit blocks are installed on the top of the movable frame below the rotating disk, and the limit blocks are slidably connected to the rotating disk.

6. The stator auxiliary flipping fixture for a traction machine according to claim 1, characterized in that: A stepper motor is installed at the top of the clamping frame, and a bidirectional threaded rod is installed at the output end of the stepper motor, extending into the interior of the clamping frame. Three sets of equally spaced sliding grooves are symmetrically arranged on the outer wall of the clamping frame.

7. The stator auxiliary flipping fixture for a traction machine according to claim 6, characterized in that: The surface of the bidirectional threaded rod is symmetrically fitted with bidirectional threaded sleeves, which extend outside the clamping frame and are slidably connected to the slide groove. Three sets of clamping arms with equal spacing are movably installed on the outer wall of the bidirectional threaded sleeve.

8. The stator auxiliary flipping fixture for a traction machine according to claim 7, characterized in that: A drive shaft is installed on the outer wall of the bidirectional threaded sleeve on one side of the clamping arm, and the bidirectional threaded sleeve is movably connected to the clamping arm through the drive shaft. A transmission shaft is installed on the outer wall of the clamping arm on the side away from the drive shaft. Three sets of clamping plates with equal spacing are provided on the outside of the clamping frame on the side of the transmission shaft, and the clamping arm is movably connected to the clamping plate through the transmission shaft.

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