Hub bearing clearance detection device

Abstract

The utility model discloses a hub bearing clearance detection device, and belongs to the technical field of hub bearings. A hub bearing clearance detection device comprises a workbench, a measuring meter, a control assembly, a positioning plate, an air cylinder and a pressing assembly. The control assembly is fixedly installed on the upper end face of the workbench, the output end of the control assembly is fixedly connected with the positioning plate and drives the positioning plate to move oppositely, the positioning plate abuts against the hub bearing inner ring for positioning, the air cylinder is fixedly installed on the upper end face of the workbench, and the output end of the air cylinder drives the pressing assembly to abut against the hub bearing inner ring for pressing. The measuring meter is installed on the upper end face of the workbench, and the measuring section of the measuring meter abuts against the hub bearing outer ring for measurement. The control assembly is arranged and can drive the positioning plates to move oppositely, so that the distance between the positioning plates is adjusted, bearings of different sizes can be installed and positioned through the positioning plates, the problems of size inconsistency and interference are avoided, and the air cylinder is matched to drive the pressing assembly to achieve the purpose of pressing the bearings.

Description

Technical Field

[0001] The utility model belongs to the technical field of wheel hub bearings, and more specifically relates to a wheel hub bearing clearance detection device. Background Art

[0002] The main function of the wheel hub bearing is to bear the load and provide precise guidance for the rotation of the wheel hub. It bears both axial load and radial load and is a very important component.

[0003] In the manufacturing process of wheel hub bearings, it is necessary to detect the clearance of wheel hub bearings to avoid excessive clearance affecting the normal rotation of bearings and too small clearance causing jamming. There are devices on the market that can detect bearing clearance, such as patent announcement number: CN212058591U, patent name: a patent for a bearing axial clearance measuring device, which discloses a bearing axial clearance measuring device, including a base for positioning bearings and a support frame arranged on the base; the base is provided with an inner ring support surface that matches the inner ring of the bearing, the inner ring support surface is against the end face of the inner ring of the bearing, the outer ring of the bearing is suspended, a top plate that presses the inner ring of the bearing is arranged above the bearing, the top plate is connected to the support frame through a telescopic mechanism, the top plate cooperates with the inner ring support surface to fix the inner ring of the bearing, and a measuring meter is arranged on the support frame, and the needle of the measuring meter contacts the end face of the outer ring of the bearing. The utility model can effectively fix the bearing, measure the axial clearance of the bearing, improve the measurement accuracy, simplify the measurement method, and will not cause bearing damage during use, and is simple to operate and easy to use.

[0004] In the above patent, the inner ring of the bearing is placed on the inner ring support surface, and cooperates with the top plate to achieve the purpose of fixing the inner ring. However, the inner ring support surface is fixed and cannot be moved and adjusted. When fixing the inner ring with an inner diameter that is too large, the inner ring support surface can support and fix it. When testing the bearing with an outer ring with an inner diameter that is too small, the inner ring support surface will interfere with the outer ring of the bearing, resulting in failure to perform normal testing, affecting the normal testing of the bearing; therefore, a wheel hub bearing clearance detection device is proposed. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a wheel hub bearing clearance detection device, which can adjust the spacing between positioning plates when detecting the clearance, so as to facilitate the detection of bearings of different sizes, and avoid the problem that the inner diameter of the inner ring of the bearing is too large to make it impossible to fit, and the inner diameter of the outer ring is too small to cause interference.

[0006] The utility model discloses a wheel hub bearing clearance detection device, comprising a workbench, a measuring meter, a control component, a positioning plate, a cylinder and a clamping component; the control component is fixedly mounted on the end surface of the workbench, the output end of the control component is fixedly connected to the positioning plate, driving the positioning plates to move toward each other, the positioning plates and the inner ring of the wheel hub bearing are pressed against each other for positioning, the cylinder is fixedly mounted on the end surface of the workbench, the output end of the cylinder is fixedly connected to the clamping component, driving the clamping component to move up and down, the clamping component and the inner ring of the wheel hub bearing are pressed against each other, the measuring meter is mounted on the end surface of the workbench, and the measuring section of the measuring meter is pressed against the outer ring of the wheel hub bearing for measurement.

[0007] As a further improvement of the utility model, the control assembly includes a support platform, a guide rail, a screw, a motor, a left nut seat and a right nut seat; the support platform is fixedly mounted on the upper end surface of the workbench, the guide rail is fixedly arranged on the upper end surface of the support platform, the screw is rotatably mounted in the guide rail, the motor is fixedly mounted on the guide rail, and the output end of the motor is connected to the screw to drive the screw to rotate, the left nut seat and the right nut seat are respectively mounted on both ends of the screw, the screw drives the left nut seat and the right nut seat to move toward each other, and the positioning plates are respectively fixedly mounted on the upper ends of the left nut seat and the right nut seat.

[0008] As a further improvement of the utility model, a positive thread segment and a negative thread segment are arranged on the screw rod, and the left nut seat and the right nut seat are respectively sleeved on the positive thread segment and the negative thread segment.

[0009] As a further improvement of the utility model, the clamping assembly includes a sleeve and a slider. The upper end of the sleeve is fixedly connected to the output end of the cylinder to drive the sleeve to move up and down. The slider is slidably installed at both ends of the sleeve.

[0010] As a further improvement of the utility model, at least one limiting hole is provided on the slider, and a positioning hole matched with the limiting hole is provided on the sleeve, and a positioning pin is installed in the positioning hole.

[0011] As a further improvement of the utility model, a rubber pad is fixedly provided on the lower end surface of the slider.

[0012] Compared with the prior art, the advantages of the present invention are:

[0013] 1. The utility model is provided with a control component, which can drive the positioning plates to move toward each other, so as to adjust the spacing between the positioning plates. The positioning plates can be used to install and position bearings of different sizes, avoiding the problems of size mismatch and interference, and then cooperate with the cylinder to drive the clamping component to achieve the purpose of clamping the bearing.

[0014] 2. The utility model drives the screw rod to rotate through the motor, thereby driving the left nut seat and the right nut seat to move toward each other, and then driving the positioning plate to move to achieve the purpose of adjusting the spacing between the positioning plates, thereby facilitating the positioning of wheel hub bearings of different sizes.

[0015] 3. The utility model is provided with a sleeve and a slider, and the slider can slide in the sleeve, thereby adjusting the length of the slide rod, so as to facilitate the compression and fixation of wheel hub bearings of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the air circulation channel structure of the utility model.

[0019] Description of the numbers in the figure:

[0020] 1. Workbench; 2. Measuring table; 3. Control assembly; 301. Support table; 302. Guide rail; 303. Screw rod; 3031. Positive thread segment; 3032. Negative thread segment; 305. Left nut seat; 306. Right nut seat; 4. Positioning plate; 5. Cylinder; 6. Clamping assembly; 601. Sleeve; 6011. Positioning hole; 602. Slider; 6021. Limiting hole; 603. Positioning pin; 7. Rubber pad; 8. Wheel hub bearing. DETAILED DESCRIPTION

[0021] Specific embodiment 1: Please refer to Figure 1-3 A wheel hub bearing clearance detection device comprises a workbench 1, a measuring meter 2, a control component 3, a positioning plate 4, a cylinder 5 and a clamping component 6;

[0022] The control assembly 3 includes a support platform 301, a guide rail 302, a screw rod 303, a motor, a left nut seat 305 and a right nut seat 306; the support platform 301 is fixedly mounted on the upper end surface of the workbench 1 by screws, the guide rail 302 is fixedly arranged on the upper end surface of the support platform 301 by screws, the screw rod 303 is rotatably mounted in the guide rail 302, the motor is fixedly mounted on the guide rail 302, and the output end of the motor is connected to the screw rod 303 to drive the screw rod 303 to rotate, and the screw rod 303 is provided with a positive wire segment 3031 and a reverse wire segment 3032 The left nut seat 305 and the right nut seat 306 are respectively mounted on the positive thread segment 3031 and the negative thread segment 3032. The arrangement of the positive thread segment 3031 and the negative thread segment 3032 can drive the left nut seat 305 and the right nut seat 306 to move toward each other. The positioning plates 4 are respectively fixedly mounted on the upper ends of the left nut seat 305 and the right nut seat 306, thereby driving the positioning plates 4 to move toward each other, achieving the purpose of adjusting the spacing between the positioning plates 4, facilitating the positioning of wheel hub bearings of different sizes, and avoiding the problems of size mismatch and interference.

[0023] A fixing frame is arranged on the upper end surface of the workbench 1, and the cylinder 5 is fixedly mounted on the fixing frame by screws: the clamping assembly 6 includes a sleeve 601 and a slider 602, the upper end of the sleeve 601 is fixedly connected to the output end of the cylinder 5, driving the sleeve 601 to move up and down, and the slider 602 is slidably mounted on both ends of the sleeve 601, and at least one limiting hole 6021 is arranged on the slider 602, and a positioning hole 6011 matched with the limiting hole 6021 is arranged on the sleeve 601, and a positioning pin 603 is installed in the positioning hole 6011; the positioning pin 603 is inserted into the limiting hole 6021 and the positioning hole 6011 to achieve the purpose of positioning the slider 602, and the length of the slider 602 can be adjusted by inserting the limiting holes 6021 at different positions, so as to facilitate the clamping and fixing of wheel hub bearings of different sizes, and a rubber pad 7 is fixedly arranged on the lower end surface of the slider 602, and the rubber pad 7 can play a role in protecting the wheel hub and avoid damage during the clamping process.

[0024] The measuring gauge 2 is installed on the upper end surface of the workbench 1, and the measuring section of the measuring gauge 2 is against the outer ring of the hub bearing for measurement, and the outer ring of the bearing is moved to detect the clearance.

[0025] Working principle: In the utility model, firstly, the lead screw 303 is driven to rotate by the motor, thereby driving the left nut seat 305 and the right nut seat 306 to move toward each other, and then adjusting the spacing of the positioning plate 4 to adapt to the size of the inner ring of the hub bearing, and then sliding the slider 602, adjusting the extended position of the slider 602 to be able to abut against the inner ring, and then inserting the positioning pin 603 into the limit hole 6021 and the positioning hole 6011 to position the slider 602, and then starting the cylinder 5 to drive the slider 602 to move toward each other and cooperate with the positioning plate 4 to fix the inner ring against each other, the upper end of the measuring table 2 can abut against the outer ring, and the outer ring of the bearing is moved to measure the clearance; when in use, the positioning plate 4 is driven by the motor to move and adjust the spacing to facilitate the positioning of hub bearings of different sizes, and there will be no situation where the inner diameter of the bearing is too large and cannot be fixed, and the inner diameter of the bearing is too small to cause interference.

[0026] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A wheel hub bearing clearance detection device, characterized in that: It comprises a workbench (1), a measuring meter (2), a control component (3), a positioning plate (4), a cylinder (5) and a clamping component (6); The control component (3) is fixedly mounted on the upper end surface of the workbench (1); the output end of the control component (3) is fixedly connected to the positioning plate (4), driving the positioning plate (4) to move toward each other, and the positioning plate (4) is positioned against the inner ring of the wheel hub bearing; the cylinder (5) is fixedly mounted on the upper end surface of the workbench (1); the output end of the cylinder (5) is fixedly connected to the clamping component (6), driving the clamping component (6) to move up and down, and the clamping component (6) is pressed against the inner ring of the wheel hub bearing; the measuring meter (2) is mounted on the upper end surface of the workbench (1), and the measuring section of the measuring meter (2) is pressed against the outer ring of the wheel hub bearing for measurement.

2. A wheel hub bearing clearance detection device according to claim 1, characterized in that: The control component (3) comprises a support platform (301), a guide rail (302), a screw rod (303), a motor (304), a left nut seat (305) and a right nut seat (306); the support platform (301) is fixedly mounted on the upper end surface of the workbench (1); the guide rail (302) is fixedly arranged on the upper end surface of the support platform (301); the screw rod (303) is rotatably mounted in the guide rail (302); the motor (304) is fixedly mounted on the guide rail (302); the output end of the motor (304) is connected to the screw rod (303) to drive the screw rod (303) to rotate; the left nut seat (305) and the right nut seat (306) are respectively mounted on both ends of the screw rod (303); the screw rod (303) drives the left nut seat (305) and the right nut seat (306) to move towards each other; and the positioning plates (4) are respectively fixedly mounted on the upper ends of the left nut seat (305) and the right nut seat (306).

3. A wheel hub bearing clearance detection device according to claim 2, characterized in that: A positive thread segment (3031) and a negative thread segment (3032) are arranged on the screw rod (303), and a left nut seat (305) and a right nut seat (306) are respectively sleeved on the positive thread segment (3031) and the negative thread segment (3032).

4. A wheel hub bearing clearance detection device according to claim 1, characterized in that: The pressing assembly (6) comprises a sleeve (601) and a slider (602). The upper end of the sleeve (601) is fixedly connected to the output end of the cylinder (5) to drive the sleeve (601) to move up and down. The slider (602) is slidably mounted on both ends of the sleeve (601).

5. A wheel hub bearing clearance detection device according to claim 4, characterized in that: At least one limiting hole (6021) is provided on the slider (602), and a positioning hole (6011) matching the limiting hole (6021) is provided on the sleeve (601), and a positioning pin (603) is installed in the positioning hole (6011).

6. A wheel hub bearing clearance detection device according to claim 4, characterized in that: A rubber pad (7) is fixedly arranged on the lower end surface of the slider (602).

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