A high-efficiency brake disc testing device

Abstract

The utility model discloses a high-efficiency brake disc testing device, comprising a workbench and a brake disc, a reduction motor is arranged on the bottom end of the workbench, a rotating table is connected to the output shaft of the reduction motor, the rotating table is located above the workbench, the brake disc is located on the rotating table, a screw is connected to the internal thread of the top end of the rotating table, a cam handle is rotatably installed on the outer wall of the upper end of the screw, a notched plate is inserted on the outer wall of the screw, the notched plate is located between the cam handle and the brake disc, two columns are arranged on the workbench, a sliding sleeve is movably installed on each column, and the utility model realizes the downward pressing effect when the cam handle rotates along the direction of the screw through the connection between the screw and the rotating table and the rotation of the cam handle, and the fixation between the brake disc and the rotating table is realized through the insertion between the notched plate and the screw, thereby ensuring the stability of the brake disc during the rotation test, and the installation is convenient and quick, thereby improving the installation effect and the testing efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of brake discs, in particular to a high-efficiency brake disc testing device. Background Art

[0002] The brake disc is a metal disc made of alloy steel and fixed to the wheel, rotating with the wheel. When the vehicle is driving and the brake is applied, the brake caliper clamps the brake disc to slow down or stop the vehicle. Generally, there are round holes on the brake disc, which is used to reduce weight and increase friction. There are many types of brake discs, which are characterized by thin walls and sand cores formed at the disc and the center. Different types of brake discs have differences in disc diameter, disc thickness and the gap between the two discs. The thickness and height of the disc hub are also different.

[0003] After processing, the brake disc needs to be tested for the flatness of its surface to ensure safety performance during installation and use. The existing test equipment for the flatness of the brake disc surface is still imperfect. Testers usually place the brake disc on a plane and rotate it, and use a micrometer to test the flatness. However, the brake disc needs to be rotated manually, and the brake disc is prone to shaking during the rotation because it cannot be effectively fixed. The test efficiency is low and the test results are inaccurate. Therefore, a high-efficiency brake disc testing device is needed to meet the needs. Utility Model Content

[0004] The purpose of the utility model is to provide a high-efficiency brake disc testing device to solve the problem that the existing test device for the flatness of the brake disc surface proposed in the above background technology is still imperfect. The tester usually places the brake disc on a plane and rotates it, and uses a micrometer to test the flatness. However, the brake disc needs to be rotated manually, and the brake disc is prone to shaking during the rotation because the brake disc cannot be effectively fixed. The test efficiency is low and the test result is inaccurate.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-efficiency brake disc testing device, comprising a workbench and a brake disc, a reduction motor is arranged on the bottom end of the workbench, a rotating table is connected to the output shaft of the reduction motor, the rotating table is located above the workbench, the brake disc is located on the rotating table, a screw is connected to the internal thread of the top end of the rotating table, a cam handle is rotatably installed on the outer wall of the upper end of the screw, a notched plate is inserted on the outer wall of the screw, the notched plate is located between the cam handle and the brake disc, two columns are arranged on the workbench, a sliding sleeve is movably installed on each column, a connecting rod is connected to the outer wall of each sliding sleeve, a micrometer is arranged on each connecting rod, and both micrometers are in contact with the top surface of the brake disc.

[0006] Preferably, the top end of the workbench and the bottom end of the rotating table are both connected with annular tracks, and a plurality of balls are slidably adapted between the two annular tracks.

[0007] Preferably, a threaded hole matching the screw rod is provided on the top of the rotating table.

[0008] Preferably, a support shaft is provided on the outer wall of the upper end of the screw rod, and the cam of the cam handle is eccentrically rotatably connected to the support shaft.

[0009] Preferably, the width of the cam handle is smaller than the diameter of the brake disc shaft hole.

[0010] Preferably, a rubber ring is sleeved on the outer wall of the screw rod, and the rubber ring is located between the cam handle and the notch plate.

[0011] Preferably, the sliding sleeve and the column are movably connected via screws.

[0012] The beneficial effects of the utility model are:

[0013] The utility model realizes the connection between the screw rod and the rotating platform and the rotation of the cam handle, so that when the cam handle rotates along the direction of the screw rod, a downward pressing effect is achieved, and the fixation between the brake disc and the rotating platform is achieved through the insertion between the notch plate and the screw rod, thereby ensuring the stability of the brake disc during the rotation test, and the installation is convenient and quick, thereby improving the installation effect and the test efficiency.

[0014] In the utility model, a reduction motor is used to drive the rotating table to rotate, so that the rotating table drives the brake disc to rotate, and two micrometers are used to test the flatness of the braking surface and the mounting surface of the brake disc respectively. Compared with the prior art, the operation is more convenient, manpower is saved, and the accuracy of the test results is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a high-efficiency brake disc testing device proposed by the utility model;

[0016] Figure 2 This is a front cross-sectional structural schematic diagram of a high-efficiency brake disc testing device proposed by the utility model;

[0017] Figure 3 This is a side cross-sectional structural schematic diagram of a high-efficiency brake disc testing device proposed by the utility model;

[0018] Figure 4 The utility model provides a schematic diagram of a top-view cross-sectional structure of a sliding sleeve of a high-efficiency brake disc testing device.

[0019] In the figure: 1. workbench; 2. brake disc; 3. reduction motor; 4. rotating table; 5. screw; 6. cam handle; 7. notch plate; 8. column; 9. sleeve; 10. connecting rod; 11. micrometer; 12. circular track; 13. ball bearing; 14. threaded hole; 15. support shaft; 16. rubber ring; 17. screw. DETAILED DESCRIPTION

[0020] 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 of the embodiments.

[0021] Reference Figure 1-4 A high-efficiency brake disc testing device comprises a workbench 1 and a brake disc 2. A reduction motor 3 is arranged on the bottom end of the workbench 1. A rotating table 4 is connected to the output shaft of the reduction motor 3. The rotating table 4 is located above the workbench 1. The brake disc 2 is located on the rotating table 4. A screw 5 is connected to the internal thread of the top end of the rotating table 4. A cam handle 6 is rotatably installed on the outer wall of the upper end of the screw 5. A notched plate 7 is inserted on the outer wall of the screw 5. The notched plate 7 is located between the cam handle 6 and the brake disc 2. Two columns 8 are arranged on the workbench 1. A sliding sleeve 9 is movably installed on each column 8. A connecting rod 10 is connected to the outer wall of each sliding sleeve 9. A micrometer 11 is arranged on each connecting rod 10. Both micrometers 11 are in contact with the top surface of the brake disc 2.

[0022] Through the connection between the screw rod 5 and the rotating table 4, and the rotation of the cam handle 6, the cam handle 6 can achieve a downward pressing effect when it rotates along the direction of the screw rod 5. The notch plate 7 is plugged into the screw rod 5 to achieve the fixation between the brake disc 2 and the rotating table 4, thereby ensuring the stability of the brake disc 2 during the rotation test. The installation is convenient and quick, and the installation effect and test efficiency are improved. The rotating table 4 is driven to rotate by the reduction motor 3, so that the rotating table 4 drives the brake disc 2 to rotate. The flatness of the braking surface and the mounting surface of the brake disc 2 are tested respectively by two micrometers 11. Compared with the prior art, the operation is more convenient, saving manpower and improving the accuracy of the test results.

[0023] Specifically, in this embodiment, an annular track 12 is connected to the top end of the workbench 1 and the bottom end of the rotating table 4. A plurality of balls 13 are slidably adapted between the two annular tracks 12 to provide support for the rotating table 4 while ensuring that the rotating table 4 rotates more smoothly and reduces the sense of frustration.

[0024] Specifically, in this embodiment, a threaded hole 14 compatible with the screw 5 is opened on the top of the rotating table 4, which realizes the connection between the screw 5 and the rotating table 4, and enables the screw 5 to drive the cam handle 6 to achieve height adjustment, thereby fixing the brake disc 2 with different mounting surface thicknesses.

[0025] Specifically, in this embodiment, a support shaft 15 is provided on the outer wall of the upper end of the screw rod 5, and the cam of the cam handle 6 is eccentrically rotated and connected to the support shaft 15. The support shaft 15 ensures the integrity between the cam handle 6 and the screw rod 5, and the eccentric rotation of the cam handle 6 achieves the effect of pressing down and lifting.

[0026] Specifically, in this embodiment, the width of the cam handle 6 is smaller than the diameter of the axial hole of the brake disc 2. When the cam handle 6 is rotated to be coaxial with the screw rod 5, it is convenient to remove the brake disc 2.

[0027] Specifically, in this embodiment, a rubber ring 16 is sleeved on the outer wall of the screw rod 5, and the rubber ring 16 is located between the cam handle 6 and the notch plate 7, thereby increasing the friction between the cam handle 6 and the notch plate 7 and preventing the cam handle 6 from naturally rotating when it is in a pressed state.

[0028] Specifically, in the present embodiment, the sleeve 9 and the column 8 are movably connected via the screw 17, so that the sleeve 9 is fixed on the column 8 after the height is adjusted, the sleeve 9 drives the micrometer 11 to adjust the height after being loosened, and the micrometer 11 is prevented from being obstructed when the brake disc 2 is removed.

[0029] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A high-efficiency brake disc testing device, comprising a workbench (1) and a brake disc (2), characterized in that: A reduction motor (3) is arranged at the bottom end of the workbench (1), and a rotating table (4) is connected to the output shaft of the reduction motor (3). The rotating table (4) is located above the workbench (1). The brake disc (2) is located on the rotating table (4). A screw rod (5) is connected to the internal thread of the top end of the rotating table (4). A cam handle (6) is rotatably mounted on the outer wall of the upper end of the screw rod (5). A notched plate (7) is inserted on the outer wall of the screw rod (5). The notched plate (7) is located between the cam handle (6) and the brake disc (2). Two columns (8) are arranged on the workbench (1), and a sliding sleeve (9) is movably mounted on each column (8). A connecting rod (10) is connected to the outer wall of each sliding sleeve (9). A micrometer (11) is arranged on each connecting rod (10). Both micrometers (11) are in contact with the top surface of the brake disc (2).

2. A high-efficiency brake disc testing device according to claim 1, characterized in that: The top end of the workbench (1) and the bottom end of the rotating table (4) are both connected with an annular track (12), and a plurality of balls (13) are slidably adapted between the two annular tracks (12).

3. A high-efficiency brake disc testing device according to claim 1, characterized in that: A threaded hole (14) matching the screw rod (5) is provided on the top of the rotating platform (4).

4. A high-efficiency brake disc testing device according to claim 1, characterized in that: A support shaft (15) is provided on the outer wall of the upper end of the screw rod (5), and the cam of the cam handle (6) is eccentrically rotatably connected to the support shaft (15).

5. A high-efficiency brake disc testing device according to claim 1, characterized in that: The width of the cam handle (6) is smaller than the diameter of the axial hole of the brake disc (2).

6. A high-efficiency brake disc testing device according to claim 1, characterized in that: A rubber ring (16) is sleeved on the outer wall of the screw rod (5), and the rubber ring (16) is located between the cam handle (6) and the notch plate (7).

7. A high-efficiency brake disc testing device according to claim 1, characterized in that: The sliding sleeve (9) and the column (8) are movably connected via screws (17).

Images