A clamping workbench for transmission shaft surface detection

Abstract

The present invention relates to the technical field of clamping equipment, and in particular to a clamping workbench for surface detection of a transmission shaft, comprising two fixed cylinders and a platform for fixing the two fixed cylinders, a plurality of sliding rods are arranged on the fixed cylinders for sliding along the radial direction of the fixed cylinders, a bow plate is fixed to the end of the sliding rod located inside the fixed cylinder, an arc plate is fixed to the bow plate, two extrusion balls are rotatably embedded on the arc plate, a transmission wheel is arranged inside the bow plate, two transmission surfaces are arranged on the circumferential outer wall of the transmission wheel, each transmission surface has an arc cross section, and the transmission surface is in transmission contact with the outer wall of the extrusion ball; the transmission shaft is extruded and fixed synchronously by using the extrusion balls on the multiple arc plates, thereby realizing multi-directional extrusion and fixing of the transmission shaft, facilitating the transmission shaft to be subjected to uniform force, avoiding the transmission shaft from being offset, and thus improving the clamping strength and clamping stability of the transmission shaft.

Description

Technical Field

[0001] 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 Art

[0002] As we all know, the drive shaft is an important component for speed and torque transmission in the automobile transmission system. It is combined with the gearbox and drive axle to transmit the power of the engine to the wheels, thereby driving the car. The drive shaft needs to be inspected on its surface before leaving the factory or entering the warehouse. Generally, the surface roughness, roundness, position and height of each shoulder, position of the lubricant adding hole and other related data of the drive shaft are inspected. The drive shaft needs to be fixed during inspection, and the commonly used fixing method is to directly press down and fix the outer wall of the drive shaft through a quick-mount fixture. When this fixing method is adopted, the quick-mount fixture can only press down and fix the drive shaft. The direction of its fixing force is relatively single, and the drive shaft is prone to left and right deviation, resulting in poor fixing effect. At the same time, when it is necessary to detect the position of the drive shaft blocked by the quick-mount fixture, the drive shaft needs to be removed and re-fixed in another position, which affects the normal detection of the drive shaft and makes the detection work more cumbersome. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides a clamping workbench for transmission shaft surface inspection.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is:

[0005] A clamping workbench for detecting the surface of a transmission shaft comprises two fixed cylinders and a platform for fixing the two fixed cylinders, a plurality of sliding rods are arranged on the fixed cylinders for sliding along the radial direction of the fixed cylinders, a bow plate is fixed to the end of the sliding rod located inside the fixed cylinder, an arc plate is fixed to the bow plate, two extrusion balls are rotatably embedded on the arc plate, a transmission wheel is arranged inside the bow plate, two transmission surfaces are arranged on the circumferential outer wall of the transmission wheel, each transmission surface has an arc-shaped cross section, and the transmission surface is in transmission contact with the outer wall of the extrusion ball.

[0006] Furthermore, an annular groove is provided between two transmission surfaces on the circumferential outer wall of the transmission wheel, a worm gear is provided on the inner wall of the annular groove, a worm gear is provided on the worm gear, one end of the worm gear is rotatably mounted on the arc plate, the other end of the worm gear passes through the arch plate and extends to the outside of the arch plate, a plurality of support sleeves are rotatably provided on the fixed cylinder, a polygonal sleeve is fixedly sleeved inside the support sleeve, a polygonal shaft is slidably provided inside the polygonal sleeve, and the end of the polygonal shaft is connected to the end of the worm gear;

[0007] The first spur gear is installed at the outer end of the polygonal sleeve, a support ring is fixed on the outer wall of the fixed cylinder, a gear ring is rotatably arranged on the support ring, and the gear ring is meshed and connected with each first spur gear on the fixed cylinder.

[0008] Furthermore, support shafts are installed at both ends of the transmission wheel, a first slider is installed at the outer end of the support shaft, and the first slider is rotatably connected to the support shaft, a slide rail is provided on the first slider, the slide rail is fixed on the inner wall of the bow plate, and the first slider is slidably connected to the slide rail, a leaf spring is installed on the side wall of the first slider, and the outer end of the leaf spring is fixed on the bow plate.

[0009] 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 the first cylinder, two second sliders are slidably arranged on the arc-shaped groove plate, two adjacent sliding rods on the fixed cylinder are regarded as a group, and the two sliding rods in each group of sliding rods are respectively fixedly connected to the two second sliders on an arc-shaped groove plate.

[0010] Furthermore, a support plate is arranged between the two fixing cylinders, and an anti-slip layer is arranged on the surface of the support plate.

[0011] Furthermore, a support plate is provided between the platform and the support plate, a vertical plate is installed at the bottom of the support plate and fixed to the platform through the vertical plate, two slide plates are slidably provided on the support plate, an adjustment plate is rotatably provided on the slide plate, and the top of the adjustment plate is rotatably installed at the bottom of the support plate;

[0012] A guide plate is installed in the middle of the support plate, the bottom of the guide plate passes through the support plate and is slidably connected, and a guide sleeve is provided on the sliding sleeve of the guide plate. Two push-pull plates are tilted and rotatably arranged on the outer wall of the guide sleeve, and the tilting directions of the two push-pull plates are opposite. The outer ends of the push-pull plates are rotatably mounted on the slide plate, and a second cylinder is installed on the support plate, and the movable end of the second cylinder is connected to a slide plate.

[0013] Furthermore, a motor is installed on the platform, a transmission shaft is provided at the output end of the motor, two first bevel gears are installed on the transmission shaft, a second bevel gear is meshed on the first bevel gear, a connecting shaft is installed at the bottom of the second bevel gear, the connecting shaft passes through the fixed cylinder and is rotatably connected, a second spur gear is installed at the bottom of the connecting shaft, and the second spur gear is meshed with the gear ring.

[0014] Furthermore, it also includes a buckle cover, which is located on the outside of the motor, the transmission shaft, the first bevel gear and the second bevel gear, and the buckle cover is fixed on the platform.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: by using the squeezing balls on multiple arc plates to synchronously extrude and fix the transmission shaft, the multi-directional squeezing and fixing work of the transmission shaft is realized, which facilitates the uniform force on the transmission shaft and avoids the deviation of the transmission shaft, thereby improving the clamping strength and clamping stability of the transmission shaft. At the same time, by rotating the transmission wheel, the transmission wheel drives the squeezing balls to rotate, so that the transmission shaft moves, and the obstructed position on the transmission shaft is exposed, so that the position of the transmission shaft can be adjusted, which facilitates the rapid and comprehensive detection of the transmission shaft, avoids the work of re-disassembling the transmission shaft, and facilitates the smooth and rapid development of the detection work, thereby reducing the tediousness of the detection work. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a front structural schematic diagram of the present invention;

[0018] Figure 2 yes Figure 1 Schematic diagram of the cross-sectional structure of the middle platform;

[0019] Figure 3 yes Figure 1 A schematic diagram of the enlarged structure of the middle fixed cylinder;

[0020] Figure 4 yes Figure 3 Schematic diagram of the enlarged structure of the middle arch plate;

[0021] Figure 5 yes Figure 3 A schematic diagram of the enlarged structure of the cross-sectional oblique view of the middle arch plate;

[0022] Figure 6 yes Figure 1 Schematic diagram of the enlarged structure of the middle support plate;

[0023] Markings in the accompanying drawings: 1, fixed cylinder; 2, sliding rod; 3, bow plate; 4, arc plate; 5, extrusion ball; 6, transmission wheel; 7, worm; 8, polygonal shaft; 9, polygonal sleeve; 10, support sleeve; 11, first spur gear; 12, support ring; 13, gear ring; 14, support shaft; 15, first slider; 16, slide rail; 17, leaf spring; 18, first cylinder; 19, arc groove plate; 20, second slider; 21, support plate; 22, platform; 23, support plate; 24, vertical plate; 25, slide groove plate; 26, adjustment plate; 27, guide plate; 28, guide sleeve; 29, push-pull plate; 30, second cylinder; 31, motor; 32, transmission shaft; 33, first bevel gear; 34, second bevel gear; 35, connecting shaft; 36, second spur gear; 37, buckle cover. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0025] In the description of the present invention, it should be noted that the orientations or positional relationships indicated by “center”, “up”, “down”, “left”, “right”, “vertical”, “horizontal”, “inside” and “outside”, etc., are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. This embodiment is written in a progressive manner.

[0027] like Figures 1 to 4 As shown, a clamping workbench for transmission shaft surface detection of the present invention comprises two fixed cylinders 1 and a platform 22 for fixing the two fixed cylinders 1, a plurality of slide rods 2 are provided on the fixed cylinder 1 for sliding along the radial direction of the fixed cylinder 1, a bow plate 3 is fixed to the end of the slide rod 2 located on the inner side of the fixed cylinder 1, an arc plate 4 is fixed on the bow plate 3, two extrusion balls 5 are rotatably embedded on the arc plate 4, a transmission wheel 6 is provided inside the bow plate 3, two transmission surfaces are provided on the circumferential outer wall of the transmission wheel 6, the cross section of each transmission surface is arc-shaped, and the transmission surface is in transmission contact with the outer wall of the extrusion ball 5.

[0028] In this embodiment, the transmission shaft passes through each fixed tube 1 and is placed between the multiple arc plates 4 in the fixed tube 1, and the multiple slide bars 2 on the fixed tube 1 are pushed to slide synchronously. The multiple slide bars 2 push the multiple arch plates 3 and the multiple arc plates 4 to approach each other synchronously. The arc plate 4 pushes the two squeezing balls 5 thereon to approach the transmission shaft and squeeze and fix the outer wall of the transmission shaft. The squeezing balls 5 on the multiple arc plates 4 squeeze and fix the transmission shaft synchronously, thereby realizing the multi-directional squeezing and fixing work of the transmission shaft, making it convenient to keep the force on the transmission shaft uniform and avoid the deviation of the transmission shaft, thereby improving the clamping strength and clamping stability of the transmission shaft. At the same time, the transmission wheel 6 is in a fixed state. At this time, the transmission wheel 6 and the squeezing ball 5 remain in a fixed state, so that the squeezing ball 5 statically clamps the transmission shaft. When it is necessary to detect the position of the transmission shaft blocked by the arc plate 4, the transmission wheel 6 is rotated, and the transmission wheel 6 drives the squeezing ball 5 to rotate. The squeezing balls 5 on multiple arc plates 4 synchronously push the transmission shaft to move, so that the blocked position on the transmission shaft is exposed, and the position of the transmission shaft is adjusted, which is convenient for rapid and comprehensive detection of the transmission shaft, avoiding the work of re-disassembling the transmission shaft, facilitating the smooth and rapid development of the detection work, and reducing the tediousness of the detection work.

[0029] In this embodiment, by making the cross section of the transmission surface on the transmission wheel 6 arc-shaped, the contact effect between the transmission wheel 6 and the squeezing ball 5 can be conveniently increased, thereby improving the transmission effect.

[0030] like Figure 3 and Figure 5 As shown, as a preferred embodiment of the above, an annular groove is provided between the two transmission surfaces on the circumferential outer wall of the transmission wheel 6, a worm gear is provided on the inner wall of the annular groove, a worm 7 is provided on the worm gear, one end of the worm 7 is rotatably mounted on the arc plate 4, the other end of the worm 7 passes through the arch plate 3 and extends to the outside of the arch plate 3, a plurality of support sleeves 10 are rotatably provided on the fixed cylinder 1, a polygonal sleeve 9 is fixedly sleeved inside the support sleeve 10, a polygonal shaft 8 is slidably provided inside the polygonal sleeve 9, and an end of the polygonal shaft 8 is connected to an end of the worm 7;

[0031] A first spur gear 11 is installed at the outer end of the polygonal sleeve 9 , a support ring 12 is fixedly mounted on the outer wall of the fixed cylinder 1 , a gear ring 13 is rotatably arranged on the support ring 12 , and the gear ring 13 is meshed and connected with each first spur gear 11 on the fixed cylinder 1 .

[0032] In this embodiment, when the slide rod 2 moves on the fixed cylinder 1, the bow plate 3 drives the worm 7 to move synchronously. At this time, 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 gear ring 13 is rotated. The gear ring 13 drives the polygonal sleeve 9 to rotate through the first straight gear 11. The polygonal sleeve 9 drives the support sleeve 10 to rotate. The polygonal sleeve 9 synchronously drives the polygonal shaft 8 and the worm 7 to rotate, thereby driving the transmission wheel 6 to rotate, thereby realizing the position movement of the transmission shaft.

[0033] like Figure 4 As shown, as a preferred embodiment of the above embodiment, support shafts 14 are installed at both ends of the transmission wheel 6, a first slider 15 is installed at the outer end of the support shaft 14, and the first slider 15 is rotatably connected to the support shaft 14, a slide rail 16 is provided on the first slider 15, the slide rail 16 is fixed on the inner wall of the arch plate 3, and the first slider 15 is slidably connected to the slide rail 16, a leaf spring 17 is installed on the side wall of the first slider 15, and the outer end of the leaf spring 17 is fixed on the arch plate 3.

[0034] In this embodiment, the leaf spring 17 generates an elastic thrust on the first slider 15, and the first slider 15 can slide on the slide rail 16. At the same time, the first slider 15 can drive the transmission wheel 6 to move through the support shaft 14, so that the leaf spring 17 generates an elastic thrust on the transmission wheel 6, which facilitates the transmission wheel 6 to be in close contact with the extrusion ball 5. The worm 7 always keeps meshing with the worm teeth on the transmission wheel 6. When the transmission wheel 6 rotates, the transmission wheel 6 drives the support shaft 14 to rotate on the first slider 15.

[0035] like Figure 3 As shown, as a preferred embodiment of the above embodiment, a plurality of first cylinders 18 are arranged on the inner wall of the fixed cylinder 1, and an arc-shaped slot plate 19 is installed at the movable end of the first cylinder 18, and two second sliders 20 are slidably arranged on the arc-shaped slot plate 19. Two adjacent slide bars 2 on the fixed cylinder 1 are regarded as a group, and the two slide bars 2 in each group of slide bars 2 are fixedly connected to the two second sliders 20 on an arc-shaped slot plate 19 respectively.

[0036] In this embodiment, the first cylinder 18 drives the arc groove plate 19 to move, and the arc groove plate 19 pushes the slide bar 2 to move through the second slider 20, so that the slide bar 2 slides on the fixed cylinder 1. Since the slide bar 2 is along the radial direction of the fixed cylinder 1 and the shape of the arc groove plate 19 is arc-shaped, when the arc groove plate 19 moves, the second slider 20 slides in the arc groove plate 19, and the second slider 20 and the arc groove plate 19 generate relative rotation.

[0037] like Figure 6 As shown, as a preferred embodiment of the above embodiment, a support plate 21 is provided between the two fixing cylinders 1 , and a non-slip layer is provided on the surface of the support plate 21 .

[0038] In this embodiment, the transmission shaft is first placed on the support plate 21, and then the transmission shaft is clamped and fixed by multiple arc plates 4 on the fixed cylinder 1. By setting the support plate 21, the transmission shaft can be easily lifted, avoiding the need for workers to lift the transmission shaft for a long time when the transmission shaft is clamped and fixed, thereby reducing the physical exertion of the workers.

[0039] like Figure 6 As shown, as a preferred embodiment of the above, a support plate 23 is provided between the platform 22 and the support plate 21, a vertical plate 24 is installed at the bottom of the support plate 23 and fixed to the platform 22 through the vertical plate 24, two slide plates 25 are slidably provided on the support plate 23, an adjustment plate 26 is rotatably provided on the slide plate 25, and the top of the adjustment plate 26 is rotatably installed at the bottom of the support plate 21;

[0040] A guide plate 27 is installed in the middle of the support plate 21. The bottom of the guide plate 27 passes through the support plate 23 and is slidably connected. A guide sleeve 28 is slidably sleeved on the guide plate 27. Two push-pull plates 29 are tilted and rotatably arranged on the outer wall of the guide sleeve 28. The tilt directions of the two push-pull plates 29 are opposite. The outer ends of the push-pull plates 29 are rotatably mounted on the slide plate 25. A second cylinder 30 is installed on the support plate 23. The movable end of the second cylinder 30 is connected to one of the slide plates 25.

[0041] In this embodiment, the second cylinder 30 pushes the upper slide plate 25 to move, and the slide plate 25 pushes the guide sleeve 28 to slide on the guide plate 27 through the push-pull plate 29 on it, and the guide sleeve 28 drives another push-pull plate 29 to move, thereby pushing the other slide plate 25 to slide synchronously, and the two slide plates 25 move synchronously, and the two slide plates 25 approach or move away from each other synchronously. The two slide plates 25 drive the support plate 21 to move up and down through the two adjustment plates 26, and the support plate 21 drives the guide plate 27 to slide on the support plate 23. By making the two adjustment plates 26 move synchronously, it is convenient to make the support plate 21 perform vertical translation movement, thereby facilitating the adjustment of the position of the support plate 21.

[0042] In this embodiment, compared with a cylinder driving the support plate 21 directly, the present invention can support and guide the support plate 21 by setting the structure of the slide plate 25, the adjustment plate 26, the guide plate 27, the guide sleeve 28 and the push-pull plate 29, thereby improving the stability and firmness of the support plate 21 when moving.

[0043] like Figure 2 As shown, as a preferred embodiment of the above embodiment, a motor 31 is installed on the platform 22, a transmission shaft 32 is provided at the output end of the motor 31, two first bevel gears 33 are installed on the transmission shaft 32, a second bevel gear 34 is meshed on the first bevel gear 33, a connecting shaft 35 is installed at the bottom of the second bevel gear 34, the connecting shaft 35 passes through the fixed cylinder 1 and is rotatably connected, a second spur gear 36 is installed at the bottom of the connecting shaft 35, and the second spur gear 36 is meshed and connected with the gear ring 13.

[0044] In this embodiment, the motor 31 drives the transmission shaft 32 to rotate, and the transmission shaft 32 drives the gear 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 multiple extrusion balls 5 on the two fixed cylinders 1 rotate synchronously to achieve the position adjustment of the transmission shaft.

[0045] like Figure 2 As shown, as a preferred embodiment of the above embodiment, it also includes a buckle cover 37, which is located on the outside 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.

[0046] In this embodiment, by providing the buckle cover 37 , the motor 31 , the transmission shaft 32 , the first bevel gear 33 and the second bevel gear 34 installed on the platform 22 can be conveniently shielded and protected.

[0047] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A clamping workbench for transmission shaft surface inspection, characterized in that: The invention comprises two fixed cylinders (1) and a platform (22) for fixing the two fixed cylinders (1), a plurality of slide bars (2) are slidably arranged on the fixed cylinders (1) along the radial direction of the fixed cylinders (1), an arch plate (3) is fixed to the end of the slide bar (2) located inside the fixed cylinder (1), an arc plate (4) is fixed to the arch plate (3), two squeezing balls (5) are rotatably embedded on the arc plate (4), a transmission wheel (6) is arranged inside the arch plate (3), two transmission surfaces are arranged on the circumferential outer wall of the transmission wheel (6), each transmission surface has an arc-shaped cross section, and the transmission surface is in transmission contact with the outer wall of the squeezing ball (5); An annular groove is provided between two transmission surfaces on the circumferential outer wall of the transmission wheel (6), a worm tooth is provided on the inner wall of the annular groove, a worm (7) is provided on the worm tooth for transmission, one end of the worm (7) is rotatably mounted on the arc plate (4), the other end of the worm (7) passes through the arch plate (3) and extends to the outside of the arch plate (3), a plurality of support sleeves (10) are rotatably provided on the fixed cylinder (1), a polygonal sleeve (9) is fixedly sleeved inside the support sleeve (10), a polygonal shaft (8) is slidably provided inside the polygonal sleeve (9), and an end of the polygonal shaft (8) is connected to an end of the worm (7); A first spur gear (11) is mounted on the outer end of the polygonal sleeve (9); a support ring (12) is sleeved and fixed on the outer wall of the fixed cylinder (1); a gear ring (13) is rotatably mounted on the support ring (12); the gear ring (13) is meshedly connected with each first spur gear (11) on the fixed cylinder (1); A support shaft (14) is mounted on both ends of the transmission wheel (6); a first slider (15) is mounted on the outer end of the support shaft (14); the first slider (15) is rotatably connected to the support shaft (14); a slide rail (16) is arranged on the first slider (15); the slide rail (16) is fixed on the inner wall of the arch plate (3); the first slider (15) is slidably connected to the slide rail (16); a leaf spring (17) is mounted on the side wall of the first slider (15); the outer end of the leaf spring (17) is fixed on the arch plate (3).

2. A clamping workbench for transmission shaft surface inspection according to claim 1, characterized in that: A plurality of first cylinders (18) are arranged on the inner wall of the fixed cylinder (1), and an arc-shaped slot plate (19) is installed on the movable end of the first cylinder (18). Two second sliders (20) are slidably arranged on the arc-shaped slot plate (19). Two adjacent sliders (2) on the fixed cylinder (1) are grouped as a group, and the two sliders (2) in each group of sliders (2) are respectively fixedly connected to the two second sliders (20) on one arc-shaped slot plate (19).

3. A clamping workbench for transmission shaft surface inspection according to claim 2, characterized in that: A support plate (21) is provided between the two fixed cylinders (1), and a non-slip layer is provided on the surface of the support plate (21).

4. A clamping workbench for transmission shaft surface inspection according to claim 3, characterized in that: A support plate (23) is provided between the platform (22) and the support plate (21); a vertical plate (24) is installed at the bottom of the support plate (23) and is fixed to the platform (22) through the vertical plate (24); two slide plates (25) are slidably provided on the support plate (23); an adjustment plate (26) is rotatably provided on the slide plate (25); and the top of the adjustment plate (26) is rotatably installed on the bottom of the support plate (21); A guide plate (27) is installed in the middle of the support plate (21). The bottom of the guide plate (27) passes through the support plate (23) and is slidably connected. A guide sleeve (28) is provided on the guide plate (27) for sliding. Two push-pull plates (29) are rotatably arranged on the outer wall of the guide sleeve (28). The two push-pull plates (29) are tilted in opposite directions. The outer ends of the push-pull plates (29) are rotatably installed on the slide plate (25). A second cylinder (30) is installed on the support plate (23). The movable end of the second cylinder (30) is connected to one of the slide plates (25).

5. A clamping workbench for transmission shaft surface inspection according to claim 4, characterized in that: 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 meshed with the first bevel gear (33); a connecting shaft (35) is mounted at the bottom of the second bevel gear (34); the connecting shaft (35) passes through the fixed cylinder (1) and is rotatably connected; a second spur gear (36) is mounted at the bottom of the connecting shaft (35); the second spur gear (36) is meshed with the gear ring (13).

6. A clamping workbench for transmission shaft surface inspection according to claim 5, characterized in that: It also includes a buckle cover (37), which 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).

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