CN115446789A

CN115446789A - Transmission shaft surface detects uses clamping table

Info

Publication number: CN115446789A
Application number: CN202211224668.5A
Authority: CN
Inventors: 秦志喜; 张颜森; 李玉娟
Original assignee: Shandong Fengyuan Automobile Technology Co ltd
Current assignee: Shandong Fengyuan Automobile Technology Co ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2022-12-09

Abstract

The invention relates to the technical field of clamping equipment, in particular to a clamping workbench for detecting the surface of a transmission shaft, which comprises two fixed cylinders and a platform for fixing the two fixed cylinders, wherein a plurality of slide bars are arranged on the fixed cylinders in a sliding manner along the radial direction of the fixed cylinders; the transmission shaft is synchronously extruded and fixed by adopting the extrusion balls on the plurality of arc-shaped plates, so that the multi-direction extrusion fixing work of the transmission shaft is realized, the stress of the transmission shaft is kept uniform conveniently, the deviation of the transmission shaft is avoided, and the clamping strength and the clamping stability of the transmission shaft are improved.

Description

Transmission shaft surface detects uses clamping table

Technical Field

The invention relates to the technical field of clamping equipment, in particular to a clamping workbench for detecting the surface of a transmission shaft.

Background

As is known, a transmission shaft is an important component for transmitting rotation speed and torque in an automobile transmission system, and transmits power of an engine to wheels in combination with a gearbox and a drive axle so as to drive an automobile to run, the surface of the transmission shaft needs to be detected before leaving the factory or entering the warehouse, related data such as surface roughness, roundness, positions and heights of shoulders, positions of lubricating liquid adding holes and the like of the transmission shaft are generally detected, the transmission shaft needs to be fixed during detection, a common fixing mode is that the outer wall of the transmission shaft is directly pressed down and fixed through a quick-mounting fixture, when the fixing mode is adopted, the quick-mounting fixture can only press down and fix the transmission shaft, the direction of the fixing force of the transmission shaft is single, the transmission shaft is easy to deviate left and right, so that the fixing effect is poor, and when the position of the transmission shaft shielded by the quick-mounting fixture needs to be detected, the transmission shaft needs to be detached and replaced by a position to be fixed again, so that the normal detection work of the transmission shaft is influenced, and the detection work is more complicated.

Disclosure of Invention

In order to solve the technical problem, the invention provides a clamping workbench for detecting the surface of a transmission shaft.

In order to achieve the purpose, the invention adopts the technical scheme that:

transmission shaft is centre gripping workstation for surface detection, including two solid fixed cylinder and the platform that is used for two solid fixed cylinders, it is provided with a plurality of slide bars to slide along the solid fixed cylinder radial direction on the solid fixed cylinder, the slide bar end fixing that is located the solid fixed cylinder inboard has the bow-shaped board, be fixed with the arc on the bow-shaped board, it has two squeeze balls to rotate to inlay on the arc-shaped board, be provided with the drive wheel in the bow-shaped board, be provided with two driving faces on the circumference outer wall of drive wheel, the cross-section of every driving face is the arc, the driving face contacts with the outer wall transmission of squeeze ball.

Furthermore, an annular groove is formed between two transmission surfaces on the circumferential outer wall of the transmission wheel, worm teeth are arranged on the inner wall of the annular groove, a worm is arranged on the worm teeth in a transmission manner, one end of the worm is rotatably installed on the arc-shaped plate, the other end of the worm penetrates through the arc-shaped plate and extends out of the outer side of the arc-shaped plate, a plurality of support sleeves are rotatably arranged on the fixed cylinder, polygonal sleeves are fixedly sleeved in the support sleeves, polygonal shafts are slidably arranged in the polygonal sleeves, and the end parts of the polygonal shafts are connected with the end parts of the worm;

the outer end of the polygonal sleeve is provided with a first straight gear, the outer wall of the fixed cylinder is fixedly sleeved with a support ring, a gear ring is rotatably arranged on the support ring, and the gear ring is meshed with each first straight gear on the fixed cylinder.

Further, the back shaft is all installed at the both ends of drive wheel, and first slider is installed to the back shaft outer end to first slider rotates with the back shaft to be connected, is provided with the slide rail on the first slider, and the slide rail is fixed on the bow-shaped inboard wall, and first slider and slide rail sliding connection install the leaf spring on the lateral wall of first slider, and the outer end of leaf spring is fixed on the bow-shaped inboard.

Furthermore, a plurality of first cylinders are arranged on the inner wall of the fixed cylinder, an arc-shaped groove plate is installed at the movable end of each first cylinder, two second sliding blocks are arranged on the arc-shaped groove plate in a sliding mode, two adjacent sliding rods on the fixed cylinder serve as a group, and the two sliding rods in each group of sliding rods are fixedly connected with the two second sliding blocks on one arc-shaped groove plate respectively.

Further, a supporting plate is arranged between the two fixed cylinders, and an anti-skid layer is arranged on the surface of the supporting plate.

Furthermore, a supporting plate is arranged between the platform and the supporting plate, a vertical plate is arranged at the bottom of the supporting plate and fixed on the platform through the vertical plate, two sliding groove plates are arranged on the supporting plate in a sliding mode, an adjusting plate is arranged on each sliding groove plate in a rotating mode, and the top of each adjusting plate is arranged at the bottom of the supporting plate in a rotating mode;

the layer board mid-mounting has the deflector, and the backup pad is passed and sliding connection to the deflector bottom, and sliding sleeve is equipped with the uide bushing on the deflector. The outer wall of the guide sleeve is provided with two push-pull plates in an inclined and rotating mode, the inclination directions of the two push-pull plates are opposite, the outer ends of the push-pull plates are rotatably installed on the sliding groove plates, the supporting plate is provided with a second air cylinder, and the movable end of the second air cylinder is connected with one sliding groove plate.

Further, install the motor on the platform, the motor output is provided with the transmission shaft, installs two first bevel gears on the transmission shaft, and the meshing is provided with second bevel gear on the first bevel gear, and the connecting axle is installed to second bevel gear bottom, and the connecting axle passes the fixed cylinder and swivelling joint, and the second straight-tooth gear is installed to the connecting axle bottom, and the second straight-tooth gear is connected with the ring gear meshing.

And the buckling cover is positioned on the outer sides of the motor, the transmission shaft, the first bevel gear and the second bevel gear and is fixed on the platform.

Compared with the prior art, the invention has the beneficial effects that: carry out extrusion fixed processing to the transmission shaft in step through adopting the extrusion ball on a plurality of arcs, thereby realize the multi-direction extrusion fixed work of transmission shaft, conveniently make the transmission shaft atress keep even, avoid the transmission shaft skew, thereby improve transmission shaft clamping strength and clamping stability, simultaneously through rotating the drive wheel, make the drive wheel drive the extrusion ball and rotate, thereby make the transmission shaft remove, the position of sheltering from on the transmission shaft appears, realize the regulation work of transmission shaft position, conveniently carry out quick comprehensive detection work to the transmission shaft, the work of dismouting transmission shaft again has been avoided, there is the smooth quick expansion of the detection work of being convenient for, reduce the loaded down with trivial details nature of detection work.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional structural view of the platform of FIG. 1;

FIG. 3 is an enlarged view of the stationary barrel of FIG. 1;

FIG. 4 is an enlarged view of the arcuate plate of FIG. 3;

FIG. 5 is a cross-sectional, oblique and enlarged view of the segmental plate in FIG. 3;

FIG. 6 is an enlarged view of the pallet of FIG. 1;

in the drawings, the reference numbers: 1. a fixed cylinder; 2. a slide bar; 3. an arcuate plate; 4. an arc-shaped plate; 5. extruding the ball; 6. a driving wheel; 7. a worm; 8. a polygonal shaft; 9. a polygonal sleeve; 10. a support sleeve; 11. a first straight gear; 12. a support ring; 13. a toothed ring; 14. a support shaft; 15. a first slider; 16. a slide rail; 17. a plate spring; 18. a first cylinder; 19. an arc-shaped groove plate; 20. a second slider; 21. a pallet; 22. a platform; 23. a support plate; 24. a vertical plate; 25. a chute plate; 26. an adjusting plate; 27. a guide plate; 28. a guide sleeve; 29. a push-pull plate; 30. a second cylinder; 31. a motor; 32. a drive shaft; 33. a first bevel gear; 34. a second bevel gear; 35. a connecting shaft; 36. a second spur gear; 37. and (6) buckling a cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. This embodiment is written in a progressive manner.

As shown in fig. 1 to 4, the clamping workbench for detecting the surface of the transmission shaft comprises two fixed cylinders 1 and a platform 22 for fixing the two fixed cylinders 1, wherein a plurality of slide bars 2 are arranged on the fixed cylinders 1 in a sliding manner along the radial direction of the fixed cylinders 1, the end parts of the slide bars 2 positioned at the inner sides of the fixed cylinders 1 are fixedly provided with cambered plates 3, the cambered plates 3 are fixedly provided with cambered plates 4, two extrusion balls 5 are embedded on the cambered plates 4 in a rotating manner, driving wheels 6 are arranged in the cambered plates 3, two driving surfaces are arranged on the circumferential outer walls of the driving wheels 6, the cross sections of the driving surfaces are arc-shaped, and the driving surfaces are in driving contact with the outer walls of the extrusion balls 5.

In the embodiment, the transmission shaft penetrates through each fixed cylinder 1 and is placed between the arc plates 4 in the fixed cylinder 1, the slide rods 2 on the fixed cylinder 1 are pushed to slide synchronously, the slide rods 2 push the arc plates 3 and the arc plates 4 to approach synchronously, the arc plates 4 push the two extrusion balls 5 on the arc plates to approach the transmission shaft and extrude and fix the outer wall of the transmission shaft, the extrusion balls 5 on the arc plates 4 synchronously extrude and fix the transmission shaft, so that the multi-direction extrusion and fixation work of the transmission shaft is realized, the stress of the transmission shaft is kept uniform conveniently, the deviation of the transmission shaft is avoided, and the clamping strength and the clamping stability of the transmission shaft are improved, simultaneously drive wheel 6 is in fixed state, drive wheel 6 and extrusion ball 5 keep fixed state this moment, thereby make extrusion ball 5 carry out static centre gripping fixed work to the transmission shaft, when the transmission shaft position that needs sheltered from arc plate 4 detects time measuring, rotate drive wheel 6, drive wheel 6 drives extrusion ball 5 and rotates, extrusion ball 5 on a plurality of arcs 4 promotes the transmission shaft in step and removes, thereby it shows to shelter from the position on the transmission shaft to make, realize the regulation work of transmission shaft position, conveniently carry out quick comprehensive detection work to the transmission shaft, the work of dismouting transmission shaft again has been avoided, there is the smooth quick expansion of the detection work of being convenient for, reduce the loaded down with trivial details nature of detection achievement.

In this embodiment, the cross section of the driving surface on the driving wheel 6 is arc-shaped, so that the contact effect of the driving wheel 6 and the extrusion ball 5 can be conveniently increased, and the driving effect is improved.

As shown in fig. 3 and 5, as a preferable example of the above embodiment, an annular groove is provided between two transmission surfaces on the circumferential outer wall of the transmission wheel 6, worm teeth are provided on the inner wall of the annular groove, a worm 7 is provided on the worm teeth in a transmission manner, one end of the worm 7 is rotatably mounted on the arc-shaped plate 4, the other end of the worm 7 penetrates through the arc-shaped plate 3 and extends to the outer side of the arc-shaped plate 3, a plurality of support sleeves 10 are rotatably provided on the fixed cylinder 1, a polygonal sleeve 9 is fixedly sleeved in the support sleeves 10, a polygonal shaft 8 is slidably provided in the polygonal sleeve 9, and the end of the polygonal shaft 8 is connected with the end of the worm 7;

the outer end of the polygonal sleeve 9 is provided with a first straight gear 11, the outer wall of the fixed cylinder 1 is fixedly sleeved with a support ring 12, the support ring 12 is rotatably provided with a toothed ring 13, and the toothed ring 13 is meshed and connected with each first straight gear 11 on the fixed cylinder 1.

In the embodiment, when the sliding rod 2 moves on the fixed cylinder 1, the arc-shaped plate 3 drives the worm 7 to synchronously move, the worm 7 drives the polygonal shaft 8 to slide in the polygonal sleeve 9, when the position of the transmission shaft needs to be adjusted, the toothed ring 13 is rotated, the toothed ring 13 drives the polygonal sleeve 9 to rotate through the first straight gear 11, the polygonal sleeve 9 drives the supporting sleeve 10 to rotate, and the polygonal sleeve 9 synchronously drives the polygonal shaft 8 and the worm 7 to rotate, so that the transmission wheel 6 is driven to rotate, and the position of the transmission shaft is moved.

As shown in fig. 4, as a preferred embodiment, the two ends of the transmission wheel 6 are respectively provided with a support shaft 14, the outer end of the support shaft 14 is provided with a first slider 15, the first slider 15 is rotatably connected with the support shaft 14, the first slider 15 is provided with a slide rail 16, the slide rail 16 is fixed on the inner wall of the arched plate 3, the first slider 15 is slidably connected with the slide rail 16, the side wall of the first slider 15 is provided with a plate spring 17, and the outer end of the plate spring 17 is fixed on the arched plate 3.

In this embodiment, the plate spring 17 generates an elastic thrust to the first slider 15, the first slider 15 can slide on the slide rail 16, and meanwhile, the first slider 15 can drive the transmission wheel 6 to move through the support shaft 14, so that the plate spring 17 generates an elastic thrust to the transmission wheel 6, the transmission wheel 6 is conveniently in close contact with the extrusion ball 5, the worm 7 is always meshed with the worm teeth on the transmission wheel 6, and when the transmission wheel 6 rotates, the transmission wheel 6 drives the support shaft 14 to rotate on the first slider 15.

As shown in fig. 3, as a preferred embodiment of the foregoing embodiment, a plurality of first air cylinders 18 are disposed on the inner wall of the fixed cylinder 1, an arc-shaped groove plate 19 is mounted at the movable end of the first air cylinder 18, two second sliding blocks 20 are slidably disposed on the arc-shaped groove plate 19, two adjacent sliding rods 2 on the fixed cylinder 1 are taken as a group, and two sliding rods 2 in each group of sliding rods 2 are respectively fixedly connected with two second sliding blocks 20 on one arc-shaped groove plate 19.

In this embodiment, the first cylinder 18 drives the arc-shaped slot plate 19 to move, the arc-shaped slot plate 19 pushes the slide rod 2 to move through the second slider 20, so that the slide rod 2 slides on the fixed cylinder 1, because the slide rod 2 is along the radial direction of the fixed cylinder 1, and the arc-shaped slot plate 19 is arc-shaped, when the arc-shaped slot plate 19 moves, the second slider 20 slides in the arc-shaped slot plate 19, and the second slider 20 and the arc-shaped slot plate 19 rotate relatively.

As shown in fig. 6, in the above embodiment, preferably, a pallet 21 is provided between the two fixed cylinders 1, and an anti-slip layer is provided on the surface of the pallet 21.

In this embodiment, at first place the transmission shaft on layer board 21, the fixed processing of centre gripping is carried out to the transmission shaft to a plurality of arcs 4 on the fixed section of thick bamboo 1 of rethread, through setting up layer board 21, can conveniently lift the transmission shaft, when avoiding the transmission shaft centre gripping fixed, the workman need lift the transmission shaft for a long time, reduces workman's physical demands.

As shown in fig. 6, as a preferred embodiment, a supporting plate 23 is disposed between the platform 22 and the supporting plate 21, a vertical plate 24 is mounted at the bottom of the supporting plate 23 and fixed on the platform 22 through the vertical plate 24, two chute plates 25 are slidably disposed on the supporting plate 23, an adjusting plate 26 is rotatably disposed on the chute plates 25, and the top of the adjusting plate 26 is rotatably mounted at the bottom of the supporting plate 21;

the middle part of the supporting plate 21 is provided with a guide plate 27, the bottom of the guide plate 27 penetrates through the supporting plate 23 and is connected with the supporting plate in a sliding mode, and a guide sleeve 28 is sleeved on the guide plate 27 in a sliding mode. Two push-pull plates 29 are obliquely and rotatably arranged on the outer wall of the guide sleeve 28, the oblique directions of the two push-pull plates 29 are opposite, the outer ends of the push-pull plates 29 are rotatably arranged on the chute plates 25, a second air cylinder 30 is arranged on the support plate 23, and the movable end of the second air cylinder 30 is connected with one chute plate 25.

In this embodiment, the second cylinder 30 pushes the upper chute plate 25 to move, the chute plate 25 pushes the guide sleeve 28 to slide on the guide plate 27 through the upper push-pull plate 29, the guide sleeve 28 drives the other push-pull plate 29 to move, so as to push the other chute plate 25 to synchronously slide, the two chute plates 25 synchronously move, the two chute plates 25 synchronously approach or separate from each other, the two chute plates 25 drive the supporting plate 21 to move up and down through the two adjusting plates 26, the supporting plate 21 drives the guide plate 27 to slide on the supporting plate 23, and by making the two adjusting plates 26 synchronously move, the supporting plate 21 is conveniently made to perform vertical translational motion, so as to conveniently adjust the position of the supporting plate 21.

In this embodiment, compared with the structure that one cylinder is driven to directly push the supporting plate 21, the structure of the invention that the chute plate 25, the adjusting plate 26, the guide plate 27, the guide sleeve 28 and the push-pull plate 29 are arranged can realize the support and the guide of the supporting plate 21, and improve the stability and the firmness of the supporting plate 21 during the movement.

As shown in fig. 2, as a preferred embodiment, a motor 31 is installed on the platform 22, a transmission shaft 32 is installed at an output end of the motor 31, two first bevel gears 33 are installed on the transmission shaft 32, a second bevel gear 34 is installed on the first bevel gear 33 in a meshing manner, a connecting shaft 35 is installed at the bottom of the second bevel gear 34, the connecting shaft 35 penetrates through the fixed cylinder 1 and is connected in a rotating manner, a second spur gear 36 is installed at the bottom of the connecting shaft 35, and the second spur gear 36 is connected with the toothed ring 13 in a meshing manner.

In this embodiment, the motor 31 drives the transmission shaft 32 to rotate, and the transmission shaft 32 drives the toothed ring 13 to rotate through the first bevel gear 33, the second bevel gear 34, the connecting shaft 35 and the second spur gear 36, so that the plurality of squeezing balls 5 on the two fixed cylinders 1 rotate synchronously, and the position adjustment work of the transmission shaft is realized.

As shown in fig. 2, as a preferred embodiment, the above-mentioned embodiment further comprises a buckle cover 37, the buckle cover 37 is located outside the motor 31, the transmission shaft 32, the first bevel gear 33 and the second bevel gear 34, and the buckle cover 37 is fixed on the platform 22.

In this embodiment, the motor 31, the transmission shaft 32, the first bevel gear 33, and the second bevel gear 34 mounted on the platform 22 can be shielded and protected conveniently by providing the buckle cover 37.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a transmission shaft is centre gripping workstation for surface detection, a serial communication port, platform (22) including two solid fixed cylinder (1) and being used for two solid fixed cylinder (1) of fixing, solid fixed cylinder (1) is gone up and is provided with a plurality of slide bars (2) along solid fixed cylinder (1) radial direction slip, slide bar (2) end fixing that are located solid fixed cylinder (1) inboard has bow-shaped plate (3), be fixed with arc (4) on bow-shaped plate (3), it has two squeeze ball (5) to rotate to inlay on arc (4), be provided with drive wheel (6) in bow-shaped plate (3), be provided with two driving surfaces on the circumference outer wall of drive wheel (6), the cross-section of every driving surface is the arc, the driving surface contacts with the outer wall transmission of squeeze ball (5).

2. The clamping workbench for detecting the surface of the transmission shaft according to claim 1, wherein an annular groove is formed between two transmission surfaces on the outer circumferential wall of the transmission wheel (6), worm teeth are arranged on the inner wall of the annular groove, a worm (7) is arranged on the worm teeth in a transmission manner, one end of the worm (7) is rotatably arranged on the arc-shaped plate (4), the other end of the worm (7) penetrates through the arc-shaped plate (3) and extends out of the arc-shaped plate (3), a plurality of supporting sleeves (10) are rotatably arranged on the fixed cylinder (1), a polygonal sleeve (9) is fixedly sleeved in each supporting sleeve (10), a polygonal shaft (8) is slidably arranged in each polygonal sleeve (9), and the end part of each polygonal shaft (8) is connected with the end part of the worm (7);

the outer end of the polygonal sleeve (9) is provided with a first straight gear (11), the outer wall of the fixed cylinder (1) is fixedly sleeved with a support ring (12), the support ring (12) is rotatably provided with a toothed ring (13), and the toothed ring (13) is meshed with each first straight gear (11) on the fixed cylinder (1).

3. The clamping workbench for detecting the surface of the transmission shaft as recited in claim 2, wherein the two ends of the transmission wheel (6) are respectively provided with a support shaft (14), the outer end of the support shaft (14) is provided with a first slide block (15), the first slide block (15) is rotatably connected with the support shaft (14), the first slide block (15) is provided with a slide rail (16), the slide rail (16) is fixed on the inner wall of the cambered plate (3), the first slide block (15) is slidably connected with the slide rail (16), the side wall of the first slide block (15) is provided with a plate spring (17), and the outer end of the plate spring (17) is fixed on the cambered plate (3).

4. The clamping workbench for detecting the surface of a transmission shaft according to claim 3, wherein a plurality of first cylinders (18) are arranged on the inner wall of the fixed cylinder (1), an arc-shaped groove plate (19) is installed at the movable end of each first cylinder (18), two second sliding blocks (20) are arranged on the arc-shaped groove plate (19) in a sliding manner, two adjacent sliding rods (2) on the fixed cylinder (1) are taken as a group, and the two sliding rods (2) in each group of sliding rods (2) are respectively and fixedly connected with the two second sliding blocks (20) on one arc-shaped groove plate (19).

5. The clamping workbench for detecting the surface of the transmission shaft according to claim 4, wherein a supporting plate (21) is arranged between the two fixed cylinders (1), and an anti-skid layer is arranged on the surface of the supporting plate (21).

6. The clamping workbench for the surface detection of the transmission shaft according to claim 5, wherein a supporting plate (23) is arranged between the platform (22) and the supporting plate (21), a vertical plate (24) is arranged at the bottom of the supporting plate (23) and fixed on the platform (22) through the vertical plate (24), two sliding groove plates (25) are arranged on the supporting plate (23) in a sliding manner, an adjusting plate (26) is arranged on each sliding groove plate (25) in a rotating manner, and the top of each adjusting plate (26) is arranged at the bottom of the supporting plate (21) in a rotating manner;

supporting plate (21) mid-mounting has deflector (27), backup pad (23) and sliding connection are passed to deflector (27) bottom, sliding sleeve is equipped with uide bushing (28) on deflector (27), the outer wall slope of uide bushing (28) is rotated and is provided with two push-and-pull boards (29), the slope opposite direction of two push-and-pull boards (29), the outer end of push-and-pull board (29) is rotated and is installed on draw runner (25), install second cylinder (30) on backup pad (23), the expansion end and the draw runner (25) of second cylinder (30) are connected.

7. The clamping workbench for detecting the surface of a transmission shaft according to claim 6, wherein a motor (31) is mounted on the platform (22), a transmission shaft (32) is arranged at the output end of the motor (31), two first bevel gears (33) are mounted on the transmission shaft (32), a second bevel gear (34) is arranged on the first bevel gear (33) in a meshing manner, a connecting shaft (35) is mounted at the bottom of the second bevel gear (34), the connecting shaft (35) penetrates through the fixed cylinder (1) and is connected with the fixed cylinder in a rotating manner, a second straight gear (36) is mounted at the bottom of the connecting shaft (35), and the second straight gear (36) is connected with the toothed ring (13) in a meshing manner.

8. The clamping workbench for detecting the surface of a transmission shaft, as recited in claim 7, further comprises a buckle cover (37), wherein the buckle cover (37) is located at the outer side of the motor (31), the transmission shaft (32), the first bevel gear (33) and the second bevel gear (34), and the buckle cover (37) is fixed on the platform (22).