Clamp for belt wheel detection

Abstract

The utility model relates to the technical field of belt wheel detection, and discloses a clamp for belt wheel detection, which comprises a C-shaped box body, the bottom end of the C-shaped box body is fixedly connected with a supporting assembly for bearing, the interior of the C-shaped box body is fixedly connected with a motor, the driving end of the motor is fixedly connected with a rotating disc, and the rotating disc is fixedly connected with a rotating shaft. A plurality of L-shaped rods are rotationally connected to the bottom end of the rotating disc, sliding blocks are rotationally connected to the exteriors of the close sides of the multiple L-shaped rods, connecting blocks are fixedly connected to the top ends of the sliding blocks, connecting blocks are fixedly connected to the top ends of the connecting blocks, and sliding rods are slidably connected to the interiors of the connecting blocks; the outer portions of the sliding rods are sleeved with strong springs, and the close sides of the multiple sliding rods are fixedly connected with clamping blocks. According to the belt wheel clamping device, the position and the clamping force of the clamping block can be adjusted in a self-adaptive mode according to the shape and the size of the belt wheel, and indentation or damage to the surface of the belt wheel is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of pulley detection, in particular to a clamp for pulley detection. Background Art

[0002] A pulley is a mechanical component typically consisting of a rim, hub, and spokes. The rim has grooves for mounting the drive belt, the hub connects to the shaft, and the spokes support the rim and hub. During testing, the accuracy of form and position tolerances, such as roundness, cylindricity, and coaxiality, is crucial. Using a fixture allows for precise pulley positioning, ensuring accurate measurement results and ensuring the pulley is correctly positioned within the testing instrument.

[0003] In the existing technology, some inspections usually use a clamp to ensure the stability of the pulley during the inspection process. During the clamping process of the pulley, when the rigid force is too strong, the surface damage is easily caused at the contact part with the pulley, and even the pulley is deformed, so that the shape and size of the wheel groove will change, resulting in an increase in the dimensional deviation of the processed parts and a reduction in the quality of the pulley. Therefore, in response to the above shortcomings, a clamp for pulley inspection is proposed. Utility Model Content

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a pulley detection clamp, which aims to improve the problem in the prior art that excessive rigidity during the clamping process leads to increased dimensional deviation of the processed parts and reduced pulley quality.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pulley detection fixture, comprising a C-shaped box, the bottom end of the C-shaped box is fixedly connected to a support assembly for bearing, the inside of the C-shaped box is fixedly connected to a motor, the driving end of the motor is fixedly connected to a rotating disk, the bottom end of the rotating disk is rotatably connected to a plurality of L-shaped rods, the adjacent sides of the plurality of L-shaped rods are rotatably connected to the outside of sliding blocks, the top of the sliding block is fixedly connected to a connecting block, the top of the connecting block is fixedly connected to the connecting block, the inside of the connecting block is slidably connected to a sliding rod, the outside of the sliding rod is provided with a strong spring, the adjacent sides of the plurality of sliding rods are fixedly connected to a clamping block, the distant sides of the plurality of sliding rods are fixedly connected to a baffle, and a disc hole is opened inside the bottom end of the C-shaped box.

[0006] Furthermore, an electric push rod is fixedly connected to the top of the C-shaped box, a driving end of the electric push rod is fixedly connected to a connecting plate, four corners of the connecting plate are slidably connected to support rods, a telescopic spring is sleeved on the outside of the support rod, the top of the support rod is fixedly connected to a limiting plate, the bottom ends of multiple support rods are fixedly connected to a pressure plate, a movable hole is opened at the top of the pressure plate, and the bottom end of the connecting plate is fixedly connected to a detection rod.

[0007] Furthermore, the support assembly includes a plurality of support legs, the top ends of the plurality of support legs are fixedly connected to the bottom end of the C-shaped box, and the bottom ends of the support legs are fixedly connected to suction cups.

[0008] Furthermore, the outer portion of the rotating disk is rotatably connected to the inner portion of the circular disk hole, and the outer portions of the plurality of sliding blocks are slidably connected to the inner portion of the circular disk hole.

[0009] Furthermore, a plurality of sliding holes are provided on the inner wall of the bottom middle end of the C-shaped box body, and the outer portion of the connecting block is slidably connected to the inner portion of the sliding holes.

[0010] Furthermore, one end of the strong spring is fixedly connected to one side of the clamping block, the other end of the strong spring is fixedly connected to one side of the connecting block, and the bottom end of the connecting block is slidably connected to the bottom side of the middle end of the C-shaped box.

[0011] Furthermore, an operating panel is fixedly connected to the left side of the C-shaped box, and two protective doors are rotatably connected to the bottom end of the left side of the C-shaped box.

[0012] Furthermore, the bottom end of the limiting plate contacts the four corners of the top end of the connecting plate, and the outer portion of the detection rod is slidably connected to the inner portion of the movable hole.

[0013] The utility model has the following beneficial effects:

[0014] 1. In this utility model, when the motor drives the rotating disk, causing the L-shaped rod to push the clamping block toward the pulley, the powerful spring is compressed first. This avoids the problem of excessive clamping force caused by the rigid driving force of the motor acting directly on the pulley. The position and clamping force of the clamping block can be adaptively adjusted according to the shape and size of the pulley, preventing indentations or damage to the pulley surface.

[0015] 2. In the present invention, the inside of the pulley is inspected by passing the inspection rod through the movable hole. When the inspection is completed, the telescopic spring can quickly return the inspection rod to its initial position, avoiding position deviation of the inspection rod caused by friction during the resetting process, facilitating the smooth progress of the next inspection operation, ensuring the consistency of each inspection, and improving the inspection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional diagram of a pulley detection fixture proposed by the present utility model;

[0017] Figure 2 This is a schematic diagram of the box structure of a pulley detection fixture proposed by the utility model;

[0018] Figure 3 for Figure 1 A magnified view of point A in the figure;

[0019] Figure 4 for Figure 1 Enlarged view of point B in FIG.

[0020] Figure 5 for Figure 1 Enlarged view of point C in the figure.

[0021] Legend:

[0022] 1. C-shaped box; 2. Support legs; 3. Suction cup; 4. Motor; 5. Rotating disk; 6. L-shaped rod; 7. Sliding block; 8. Connecting block; 9. Connecting block; 10. Sliding rod; 11. Power spring; 12. Clamping block; 13. Baffle; 14. Disc hole; 15. Sliding hole; 16. Operating panel; 17. Protective door; 18. Electric push rod; 19. Connecting plate; 20. Support rod; 21. Telescopic spring; 22. Limit plate; 23. Pressure plate; 24. Movable hole; 25. Detection rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] Reference Figures 2 to 4, the utility model provides an embodiment: a clamp for pulley detection, including a C-type box 1, the C-type box 1 is the main structure of the entire device, and provides space for installation and work of other components. The bottom end of the C-type box 1 is fixedly connected to a support assembly for bearing, and the support assembly is used to stably support the entire clamping device to ensure that it does not shake or shift during operation. The support assembly includes a plurality of support legs 2, and the top ends of the plurality of support legs 2 are fixedly connected to the bottom end of the C-type box 1. The support legs 2 serve to connect the C-type box 1 and the suction cup 3, and their own structure can bear the weight of the entire device. The bottom end of the support leg 2 is fixedly connected to a suction cup 3, and the suction cup 3 can be adsorbed on the work platform. By generating negative pressure, the stability of the placement of the entire clamping device is further enhanced to prevent the device from moving when the pulley is clamped and detected;

[0025] The C-shaped box 1 is fixedly connected to a motor 4 inside. The motor 4 is one of the power sources of the entire device. It can convert electrical energy into mechanical energy to provide power for the clamping operation of the pulley. The driving end of the motor 4 is fixedly connected to a rotating disk 5. When the motor 4 rotates, it can directly drive the rotating disk 5 to rotate. The rotating disk 5 serves as an intermediate transmission component, transmitting the rotational motion of the motor 4 to the L-shaped rod 6. The bottom end of the rotating disk 5 is rotatably connected to a plurality of L-shaped rods 6. The outer sides of the adjacent sides of the plurality of L-shaped rods 6 are all rotatably connected to sliding blocks 7. When the rotating disk 5 rotates, the L-shaped rod 6 will rotate around the center of the rotating disk 5, thereby driving the sliding block 7 rotatably connected to the outside. The sliding block 7 plays the role of transmitting motion in the entire clamping mechanism. It converts the rotation of the L-shaped rod 6 into the linear motion of the subsequent components;

[0026] The top of sliding block 7 is fixedly connected to connecting block 8, which in turn is fixedly connected to connecting block 9. Connecting block 8 transmits the movement of sliding block 7 to connecting block 9. The bottom of connecting block 9 is slidably connected to the bottom side of the middle end of C-shaped box 1. The sliding movement of connecting block 9 on the bottom side of C-shaped box 1 serves as a guide, ensuring the accuracy of its movement direction. A sliding rod 10 is slidably connected to the inside of connecting block 9, and movement of connecting block 9 drives the sliding rod 10 in its internal sliding connection.

[0027] The outer sleeve of the sliding rod 10 is provided with a strong spring 11, which plays a key buffering role in the entire clamping process. One end of the strong spring 11 is fixedly connected to one side of the clamping block 12, and the other end of the strong spring 11 is fixedly connected to one side of the connecting block 9. When the sliding rod 10 moves, the strong spring 11 will be compressed or stretched. The adjacent sides of multiple sliding rods 10 are fixedly connected with a clamping block 12. The clamping block 12 is a component that directly contacts and clamps the pulley. The movement of the sliding rod 10 can drive the clamping block 12 closer to the pulley. The distant sides of multiple sliding rods 10 are fixedly connected with a baffle 13. The baffle 13 can prevent the sliding rod 10 from escaping from the connecting block 9 during movement;

[0028] A disc hole 14 is provided inside the bottom end of the C-shaped box 1. The outer portion of the rotating disk 5 is rotatably connected to the inside of the disc hole 14. The disc hole 14 provides space for the rotating disk 5 to rotate, ensuring that the rotating disk 5 can rotate smoothly therein. The outer portions of the multiple sliding blocks 7 are slidably connected to the inside of the disc hole 14. The disc hole 14 also limits the movement trajectory of the sliding blocks 7, so that they can only slide within the disc hole 14. A plurality of sliding holes 15 are provided on the inner wall of the bottom middle end of the C-shaped box 1. The outer portions of the connecting block 8 are slidably connected to the inside of the sliding holes 15. The sliding holes 15 provide a sliding channel for the connecting block 8, ensuring that the connecting block 8 will not deviate during movement, thereby ensuring the accuracy of the motion transmission from the sliding block 7 to the connecting block 9.

[0029] Reference Figure 1 、 Figure 2 ,and Figure 5 The left side of the C-shaped box 1 is fixedly connected to an operation panel 16, which facilitates the operator to control components such as the motor 4 and the electric push rod 18. The left bottom end of the C-shaped box 1 is rotatably connected to two protective doors 17. The protective doors 17 can be closed when the pulley detection operation is not being performed to prevent dust and other impurities from entering the interior of the C-shaped box 1 and protect the internal components. They can be opened when the operation is in progress to facilitate the placement and removal of the pulley;

[0030] An electric push rod 18 is fixedly connected to the top of the C-shaped box 1. This push rod 18 is another power source, providing linear motion to drive the pressure plate 23 and the detection rod 25 up and down. The driving end of the push rod 18 is fixedly connected to the connecting plate 19. When the push rod 18 is extended or retracted, it can directly drive the connecting plate 19 to move up and down. Support rods 20 are slidably connected to the four corners of the connecting plate 19. The support rods 20 slide at the four corners of the connecting plate 19, providing support and guidance, ensuring the stability of the connecting plate 19 during its up and down movement.

[0031] The outer part of the support rod 20 is sleeved with a telescopic spring 21, which plays a key role in the reset process of the detection rod 25. The top end of the support rod 20 is fixedly connected with a limiting plate 22, which can prevent the support rod 20 from being pulled out of the connecting plate 19, and at the same time, it can limit the telescopic spring 21 when it is telescoped. The bottom end of the limiting plate 22 is in contact with the top end of the connecting plate 19 at the four corners, which ensures that the limiting plate 22 can accurately limit the support rod 20;

[0032] The bottom end of the plurality of support rods 20 is fixedly connected with a pressing plate 23, which can move downward when the support rod 20 moves downward with the connecting plate 19, and the pressing plate 23 is used to press the belt pulley during detection to prevent the belt pulley from moving during detection. The top end of the pressing plate 23 is provided with a movable hole 24, which provides a channel for the up and down movement of the detection rod 25. The bottom end of the connecting plate 19 is fixedly connected with a detection rod 25, and the outer part of the detection rod 25 is slidably connected in the inner part of the movable hole 24. When the connecting plate 19 moves downward, it can drive the detection rod 25 to pass through the movable hole 24 and enter the inside of the belt pulley for detection operation.

[0033] Working principle: first, place the belt pulley in the C-shaped box 1 at the appropriate position. Start the motor 4, the motor 4 drives the rotating disc 5 to rotate, the rotating disc 5 rotates to make the plurality of L-shaped rods 6 at the bottom end rotate around the center of the rotating disc 5, the L-shaped rod 6 rotates to drive the sliding block 7 outside the rotating disc 6 to slide in the disc hole 14, the sliding block 7 slides to drive the connecting block 8 at the top end to slide in the sliding hole 15, the connecting block 8 slides to drive the connecting block 9 to slide in the C-shaped box 1 at the middle end of the bottom side, the connecting block 9 slides to drive the sliding rod 10 inside to move, the sliding rod 10 moves to drive the clamping block 12 fixedly connected on the same side to move close to the belt pulley. In this process, the strong spring 11 will be compressed, and the strong spring 11 will be compressed by the elastic deformation of itself, which can avoid the problem of excessive clamping force caused by the rigid driving force of the motor 4 directly acting on the belt pulley, and can adaptively adjust the position and clamping force of the clamping block 12 according to the shape and size of the belt pulley, prevent the belt pulley surface from being pressed or damaged, and realize flexible clamping of the belt pulley.

[0034] Then, start the electric push rod 18, the driving end of the electric push rod 18 pushes the connecting plate 19 to move downward, the connecting plate 19 moves downward to drive the support rod 20 inside the four corners to move downward, the support rod 20 moves downward to drive the pressing plate 23 fixedly connected at the bottom end to move downward, and the pressing plate 23 moves downward to press the belt pulley. At the same time, the downward movement of the connecting plate 19 also drives the detection rod 25 fixedly connected at the bottom end to move downward, and the detection rod 25 passes through the movable hole 24 at the top end of the pressing plate 23 to enter the inside of the belt pulley for detection.

[0035] After the test is completed, the electric push rod 18 stops working, and the telescopic spring 21 uses its own rebound force to move the support rod 20 upward. The upward movement of the support rod 20 drives the pressure plate 23 and the detection rod 25 to reset. The rebound force of the telescopic spring 21 can ensure that the detection rod 25 quickly returns to its initial position, avoiding the position deviation of the detection rod 25 due to friction during the reset process, facilitating the smooth execution of the next test operation, ensuring the consistency of each test, and improving the detection accuracy. The entire workflow achieves effective clamping and accurate detection of the pulley through the close cooperation between the various components.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A pulley detection fixture, comprising a C-shaped housing (1), characterized in that: The bottom end of the C-shaped box (1) is fixedly connected to a supporting assembly for bearing, the inside of the C-shaped box (1) is fixedly connected to a motor (4), the driving end of the motor (4) is fixedly connected to a rotating disk (5), the bottom end of the rotating disk (5) is rotatably connected to a plurality of L-shaped rods (6), the adjacent sides of the plurality of L-shaped rods (6) are rotatably connected to the outside of sliding blocks (7), the top end of the sliding blocks (7) is fixedly connected to a connecting block (8), the top end of the connecting block (8) is fixedly connected to a connecting block (9), the inside of the connecting block (9) is slidably connected to a sliding rod (10), the outside of the sliding rod (10) is provided with a strong spring (11), the adjacent sides of the plurality of sliding rods (10) are fixedly connected to a clamping block (12), the distant sides of the plurality of sliding rods (10) are fixedly connected to a baffle (13), and a disc hole (14) is opened inside the bottom end of the C-shaped box (1).

2. A pulley detection fixture according to claim 1, characterized in that: The top of the C-shaped box (1) is fixedly connected to an electric push rod (18), the driving end of the electric push rod (18) is fixedly connected to a connecting plate (19), the four corners of the connecting plate (19) are slidably connected to support rods (20), the outside of the support rod (20) is provided with a telescopic spring (21), the top of the support rod (20) is fixedly connected to a limiting plate (22), the bottom ends of the plurality of support rods (20) are fixedly connected to a pressing plate (23), the top of the pressing plate (23) is provided with a movable hole (24), and the bottom end of the connecting plate (19) is fixedly connected to a detection rod (25).

3. The pulley detection fixture according to claim 1, characterized in that: The support assembly comprises a plurality of support legs (2), the top ends of the plurality of support legs (2) are fixedly connected to the bottom ends of the C-shaped box (1), and the bottom ends of the support legs (2) are fixedly connected to suction cups (3).

4. The pulley detection fixture according to claim 1, characterized in that: The outer portion of the rotating disk (5) is rotatably connected to the inner portion of the circular disk hole (14), and the outer portions of the plurality of sliding blocks (7) are slidably connected to the inner portion of the circular disk hole (14).

5. The pulley detection fixture according to claim 1, characterized in that: A plurality of sliding holes (15) are provided on the inner wall of the bottom middle end of the C-shaped box (1), and the outer portion of the connecting block (8) is slidably connected to the inner portion of the sliding hole (15).

6. The pulley detection fixture according to claim 1, characterized in that: One end of the strong spring (11) is fixedly connected to one side of the clamping block (12), the other end of the strong spring (11) is fixedly connected to one side of the connecting block (9), and the bottom end of the connecting block (9) is slidably connected to the bottom side of the middle end of the C-shaped box (1).

7. The pulley detection fixture according to claim 1, characterized in that: An operating panel (16) is fixedly connected to the left side of the C-shaped box (1), and two protective doors (17) are rotatably connected to the bottom end of the left side of the C-shaped box (1).

8. The pulley detection fixture according to claim 2, characterized in that: The bottom end of the limiting plate (22) contacts the four corners of the top end of the connecting plate (19), and the outside of the detecting rod (25) is slidably connected to the inside of the movable hole (24).

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