Radial run-out testing fixture for brake disc

Abstract

The utility model discloses a radial run-out testing fixture for a brake disc. The radial run-out testing fixture comprises a rotating module, an L-shaped supporting frame, a front-back adjusting module, a left-right adjusting module and a dial indicator, wherein the front-back adjusting module comprises a U-shaped plate, the U-shaped plate is fixedly connected with the L-shaped supporting frame, the two ends of a first lead screw are movably connected with the two sides of the U-shaped plate respectively, one end of the first lead screw penetrates through one side of the U-shaped plate, the end portion of one end of the first lead screw is fixedly connected with the center of a first rotating disc, and the first lead screw is in threaded connection with a first sliding block. The position of the dial indicator is adjusted through the front-back adjusting module according to the position, needing to be detected, of the brake disc of the vehicle, and when the different positions of the brake disc of the vehicle are detected according to the structure of the brake disc of the vehicle and the positions of the measuring heads are different, the position of the measuring heads on the dial indicator is adjusted through the left-right adjusting module. Radial detection of different positions of the brake disc of the vehicle is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of brake discs, in particular to a radial runout inspection tool for brake discs. Background Art

[0002] The brake disc, in simple terms, is a round plate that rotates when the car is moving. The brake caliper clamps the brake disc to generate braking force. When you step on the brake, it clamps the brake disc to slow down or stop the car. The brake disc has a good braking effect and is easier to maintain than drum brakes.

[0003] At the end of the production process of brake discs, a series of inspections such as dynamic balancing are required before the brake discs leave the factory, including the detection of the radial runout value of the brake discs. The direct method is to measure the radial runout value of the rotating disc body with a micrometer. Generally, only one part of the brake disc can be inspected. When inspecting different parts, the position of the micrometer cannot be adjusted, which reduces the practicality to a certain extent.

[0004] Therefore, it is necessary to provide a radial runout inspection tool for a brake disc to solve the above technical problems. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a radial runout inspection tool for a brake disc.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A radial runout inspection tool for a brake disc, comprising a rotation module, an L-shaped support frame, a front-rear adjustment module, a left-right adjustment module, and a micrometer;

[0008] Wherein, the front-rear adjustment module comprises a U-shaped plate, the U-shaped plate is fixedly connected to the L-shaped support frame, the two ends of the screw rod 1 are movably connected to the two sides of the U-shaped plate, one end of the screw rod 1 passes through one side of the U-shaped plate, one end of the screw rod 1 is fixedly connected to the center of the turntable 1, the screw rod 1 is threadedly connected to the slider 1, the slider 1 is fixedly connected to the ball slider, a linear guide is provided in the ball slider, and the linear guide is fixedly connected to the lower side of the inner wall of the U-shaped plate;

[0009] The left and right adjustment module includes a screw rod groove, which is fixedly connected to the slider one. A slider two is arranged in the screw rod groove. The upper side of the slider two is fixedly connected to an L-shaped rod. The two ends of the inner side of the screw rod groove are respectively movably connected to one end of the screw rod two. The screw rod two is threadedly connected to the slider two. One end of the screw rod two passes through one end of the screw rod groove. One end of the screw rod two is fixedly connected to the center of the knob. The L-shaped rod is fixedly connected to the micrometer. A probe is fixedly arranged on one side of the micrometer.

[0010] Preferably, the rotating module includes a vertical plate, one side of which is fixedly connected to a convex plate, a central axis of one end of the worm passes through and is movably connected to the convex plate, an end of the central axis of one end of the worm is fixedly connected to the center of turntable two, and the worm engages with the worm wheel.

[0011] Preferably, a central axis at one end of the worm wheel is movably connected to the middle portion of the upper end of the vertical plate.

[0012] Preferably, the end of the central axis of one end of the worm gear is fixedly connected to a three-jaw chuck.

[0013] Preferably, the vertical plate is fixedly connected to the upper side of the L-shaped support frame.

[0014] Compared with the related art, the beneficial effects of the present invention are as follows: according to the position of the vehicle's brake disc that needs to be detected, the position of the micrometer is adjusted through the front and rear adjustment modules; according to the structure of the vehicle's brake disc, when detecting different positions of the vehicle's brake disc, the position of the probe is different, and the position of the probe on the micrometer is adjusted through the left and right adjustment modules to achieve radial detection of different positions of the vehicle's brake disc. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of the utility model.

[0016] Figure 2 It is a three-dimensional schematic diagram of the utility model.

[0017] Figure 3 It is a schematic diagram of the connection structure of some parts of the utility model.

[0018] Figure 4 It is a schematic diagram of the connection structure of some parts of the utility model.

[0019] In the figure:

[0020] 1: Rotation module, 11, vertical plate, 12, worm, 13, worm wheel, 14, turntable 2, 15, three-jaw chuck, 16, convex plate;

[0021] 2. L-shaped support frame;

[0022] 3: front and rear adjustment module, 31, turntable 1, 32, linear guide rail, 33, slider 1, 34, ball slider, 35, screw rod 1, 36, U-shaped plate;

[0023] 4: left and right adjustment module, 41, screw slot, 42, knob, 43, screw 2, 44, slider 2, 45, L-shaped rod;

[0024] 5: Micrometer, 51, probe. DETAILED DESCRIPTION

[0025] 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.

[0026] A radial runout inspection tool for a brake disc, comprising a rotation module 1, an L-shaped support frame 2, a front-rear adjustment module 3, a left-right adjustment module 4, and a micrometer 5;

[0027] Wherein, the front-rear adjustment module 3 includes a U-shaped plate 36, the U-shaped plate 36 is fixedly connected to the L-shaped support frame 2, the two ends of the screw rod 35 are movably connected to the two sides of the U-shaped plate 36, one end of the screw rod 35 passes through one side of the U-shaped plate 36, one end of the screw rod 35 is fixedly connected to the center of the turntable 31, the screw rod 35 is threadedly connected to the slider 33, the slider 33 is fixedly connected to the ball slider 34, the ball slider 34 is provided with a linear guide 32, and the linear guide 32 is fixedly connected to the lower side of the inner wall of the U-shaped plate 36;

[0028] The left and right adjustment module 4 includes a screw rod groove 41, the screw rod groove 41 is fixedly connected to the slider 1 33, a slider 2 44 is arranged in the screw rod groove 41, the upper side of the slider 2 44 is fixedly connected to an L-shaped rod 45, the two ends of the inner side of the screw rod groove 41 are respectively movably connected to one end of the screw rod 2 43, the screw rod 2 43 is threadedly connected to the slider 2 44, one end of the screw rod 2 43 passes through one end of the screw rod groove 41, one end of the screw rod 2 43 is fixedly connected to the center of the knob 42, the L-shaped rod 45 is fixedly connected to the micrometer 5, and a probe 51 is fixedly arranged on one side of the micrometer 5.

[0029] The rotating module 1 includes a vertical plate 11, one side of the vertical plate 11 is fixedly connected to a convex plate 16, a central axis of one end of a worm 12 passes through and is movably connected to the convex plate 16, an end of the central axis of one end of the worm 12 is fixedly connected to the center of a turntable 2 14, and the worm 12 engages with a worm wheel 13.

[0030] The central axis of one end of the worm wheel 13 is movably connected to the middle part of the upper end of the vertical plate 11 .

[0031] The end of the central axis of one end of the worm wheel 13 is fixedly connected to the three-jaw chuck 15 .

[0032] The vertical plate 11 is fixedly connected to the upper side of the L-shaped support frame 2 .

[0033] Working principle: first, place the brake disc of the vehicle on the three-jaw chuck 15, so that the three-jaw chuck 15 clamps and fixes the brake disc of the vehicle, then adjust the position of the dial gauge 5 according to the position of the brake disc of the vehicle to be tested, rotate the turntable 31, the turntable 31 drives the screw rod 35 to rotate, the screw rod 35 drives the slider 33 to slide, the slider 33 drives the ball slider 34 to slide along the linear guide 32, and at the same time the slider 33 drives the left and right adjustment modules 4 to move, so that the dial gauge 5 moves to the position where the brake disc of the vehicle needs to be tested, and then stop rotating the turntable 31;

[0034] Then, according to the structure of the brake disc of the vehicle, when different positions of the brake disc of the vehicle are tested, the position of the probe 51 is different, the knob 42 is turned, the knob 42 drives the second screw rod 43 to rotate, the second screw rod 43 drives the second slider 44 to slide, the second slider 44 drives the micrometer 5 to move through the L-shaped rod 45, so that the probe 51 on the micrometer 5 contacts the brake disc of the vehicle, and then the turntable 14 is turned, the turntable 14 drives the worm 12 to rotate, the worm 12 engages the worm wheel 13 to rotate, and the worm wheel 13 drives the brake disc of the vehicle to rotate through the three-jaw chuck 15, so that the probe 51 of the micrometer 5 performs radial detection on the brake disc of the vehicle;

[0035] When radial detection of other positions of the brake disc of the vehicle is required, the position of the dial gauge 5 is adjusted through the front and rear adjustment module 3 and the left and right adjustment module 4 to achieve radial detection of different positions of the brake disc of the vehicle.

[0036] Beneficial effect: According to the position of the vehicle's brake disc that needs to be detected, the position of the micrometer 5 is adjusted through the front and rear adjustment module 3. According to the structure of the vehicle's brake disc, when detecting different positions of the vehicle's brake disc, the position of the probe 51 is different. The position of the probe 51 on the micrometer 5 is adjusted through the left and right adjustment module 4 to achieve radial detection of different positions of the vehicle's brake disc.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A radial runout inspection tool for a brake disc, characterized in that: The radial runout test fixture of the brake disc includes: Rotation module (1), L-shaped support frame (2), front-rear adjustment module (3), left-right adjustment module (4), micrometer (5); Wherein, the front-rear adjustment module (3) comprises a U-shaped plate (36), the U-shaped plate (36) is fixedly connected to the L-shaped support frame (2), the two ends of a screw rod (35) are respectively movably connected to the two sides of the U-shaped plate (36), one end of the screw rod (35) passes through one side of the U-shaped plate (36), one end of the screw rod (35) is fixedly connected to the center of a turntable (31), the screw rod (35) is threadedly connected to a slider (33), the slider (33) is fixedly connected to a ball slider (34), a linear guide rail (32) is provided inside the ball slider (34), and the linear guide rail (32) is fixedly connected to the lower side of the inner wall of the U-shaped plate (36); The left-right adjustment module (4) comprises a screw rod groove (41), the screw rod groove (41) is fixedly connected to the slider one (33), a slider two (44) is arranged in the screw rod groove (41), the upper side of the slider two (44) is fixedly connected to an L-shaped rod (45), the two ends of the inner side of the screw rod groove (41) are respectively movably connected to one end of the screw rod two (43), the screw rod two (43) is threadedly connected to the slider two (44), one end of the screw rod two (43) passes through one end of the screw rod groove (41), one end of the screw rod two (43) is fixedly connected to the center of the knob (42), the L-shaped rod (45) is fixedly connected to the micrometer (5), and a probe (51) is fixedly arranged on one side of the micrometer (5).

2. A brake disc radial runout test fixture according to claim 1, characterized in that: The rotating module (1) comprises a vertical plate (11), one side of the vertical plate (11) is fixedly connected to a convex plate (16), a central axis of one end of a worm (12) passes through and is movably connected to the convex plate (16), an end of the central axis of one end of the worm (12) is fixedly connected to the center of a second rotating disk (14), and the worm (12) meshes with a worm wheel (13).

3. A radial runout test fixture for a brake disc according to claim 2, characterized in that: The central axis of one end of the worm wheel (13) is movably connected to the middle part of the upper end of the vertical plate (11).

4. A brake disc radial runout test fixture according to claim 3, characterized in that: The end of the central axis of one end of the worm wheel (13) is fixedly connected to a three-jaw chuck (15).

5. A brake disc radial runout test fixture according to claim 4, characterized in that: The vertical plate (11) is fixedly connected to the upper side of the L-shaped support frame (2).

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