Brake disc circular run-out detection tool

Abstract

The utility model belongs to the technical field of brake disc detection, and particularly discloses a brake disc circle run-out detection tool which comprises a detection platform, a rotating motor, a bearing seat, a fixing mechanism and a detection mechanism. The detection platform is mounted on the working table, and the rotating motor is mounted on the detection platform; the bearing seat is mounted at the output end of the rotating motor and used for placing the brake disc, and the rotating motor drives the bearing seat to rotate; the fixing mechanism comprises a supporting assembly and a plurality of suction cups, the supporting assembly is installed in the bearing seat, and the suction cups are installed on the supporting assembly; the detection mechanism is installed on the detection platform. During detection, the brake disc is adsorbed and fixed on the bearing seat through the suction cup, after detection is completed, the suction cup is separated from the brake disc, the brake disc is rapidly taken down from the bearing seat, and the device is suitable for batch detection production.

Description

Technical Field

[0001] The utility model belongs to the technical field of brake disc detection, and in particular relates to a brake disc circular runout detection tool. Background Art

[0002] The brake disc, also known as the brake disc, is an important component of the vehicle's braking system. When the wheel brakes during driving, the brake caliper clamps the brake disc to slow down or stop the vehicle. Its performance and reliability are related to the safety of the vehicle.

[0003] The circular runout of the upper and lower braking surfaces of the brake disc is one of the important characteristics for determining the performance and reliability of the brake disc. It will gradually decrease under long-term braking conditions, but it will gradually increase the thickness difference of the brake disc, and eventually it will cause brake tremor when it exceeds a certain value, so it is necessary to monitor and detect the circular runout of the brake disc's braking surface.

[0004] Authorization announcement number CN208936913U discloses a brake disc end face runout detection device, which places the brake disc horizontally on a receiving disc, and a surface of the receiving disc is provided with thirty threaded holes, and a brake disc body is provided with seven mounting holes, and the brake disc body is fixedly connected to the receiving disc through mounting holes, threaded holes and fixing bolts. The motor rotates the brake disc to test the circular runout, and the difference between the maximum and minimum values ​​is compared with the judgment standard value. If the difference is greater than the standard value, it is judged as NG, and if the difference is less than the standard value, it is judged as OK. However, there are the following problems: the brake disc body is fixedly connected to the receiving disc through mounting holes, threaded holes and fixing bolts, and the installation or removal of the brake disc takes a long time, which is not suitable for mass production detection. Utility Model Content

[0005] The purpose of the utility model is to overcome the defects of the prior art, provide a brake disc circular runout detection tool, and solve the problem of long time for brake disc detection, installation and disassembly.

[0006] The specific technical solutions are as follows:

[0007] A brake disc runout tool, comprising:

[0008] Testing platform;

[0009] A rotating motor is mounted on the detection platform;

[0010] A bearing seat, used for placing a brake disc, installed at the output end of the rotating motor, and the rotating motor drives the bearing seat to rotate;

[0011] A fixing mechanism, comprising a supporting assembly and a plurality of suction cups, wherein the supporting assembly is installed in the bearing seat, the suction cups are installed on the supporting assembly, and the suction cups absorb and fix the brake disc on the bearing seat; and

[0012] The detection mechanism is installed on the detection platform.

[0013] In one embodiment, the bearing seat gradually decreases in diameter in a direction away from the rotating motor and takes a frustum shape.

[0014] In one embodiment, the supporting assembly includes a supporting rod, a first electric push rod and a ring disk; a cavity for accommodating the first electric push rod is provided inside the bearing seat, the supporting rod is installed at the output end of the first electric push rod, long grooves are symmetrically provided on both sides of the bearing seat, the supporting rod extends out of the long grooves, and the ring disk is installed on the supporting rod and on the outside of the bearing seat; a plurality of suction cups are evenly spaced along the circumference of the ring disk, and the first electric push rod drives the suction cup to move away from or approach the brake disc.

[0015] In one embodiment, the suction cup is a vacuum rubber suction cup.

[0016] In one embodiment, the detection mechanism includes a detection frame and a detection component, the detection frame is installed on the detection platform, and the detection component is installed on the detection frame.

[0017] In one of the embodiments, the detection frame includes a screw rod, a slider and a connecting rod; the screw rod is fixedly mounted on the detection platform, the connecting rod is rotatably mounted on the screw rod, and the slider is slidably mounted on the connecting rod.

[0018] In one embodiment, the detection component includes a dial indicator and a second electric push rod, the second electric push rod is mounted on the slider, the dial indicator is mounted at the output end of the second electric push rod, and the second electric push rod drives the dial indicator away from or close to the brake disc.

[0019] In one embodiment, the detection components include two groups, one group is arranged on the upper surface of the brake disc, and the other group is arranged on the lower surface of the brake disc.

[0020] Beneficial effects of the utility model:

[0021] The above-mentioned brake disc circular runout tooling is equipped with a bearing seat and a fixing mechanism, and the fixing mechanism includes a suction cup. The brake disc is placed on the bearing seat, and the brake disc is adsorbed and fixed on the bearing seat by the suction cup. The brake disc can be quickly installed and fixed before the brake disc circular runout is detected. After the detection is completed, the suction cup is detached from the brake disc, and the brake disc is quickly removed from the bearing seat. It is suitable for batch monitoring and detection production. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the specific implementation of the utility model, the following will briefly introduce the drawings required for use in the specific implementation. In all the drawings, each element or part is not necessarily drawn according to the actual scale.

[0023] Figure 1 This is a schematic diagram of the structure of the brake disc circular runout tooling of the utility model;

[0024] Figure 2 It is a structural diagram of the fixing mechanism.

[0025] Reference numerals:

[0026] 1-detection platform, 2-rotating motor, 3-support seat, 31-cavity, 32-long slot, 4-fixing mechanism,

[0027] 41-support assembly, 412-support rod, 413-first electric push rod, 414-ring disc, 42-suction cup

[0028] 5-detection mechanism, 51-detection frame, 511-including screw rod, 512-slider, 513-connecting rod,

[0029] 52-detection component, 521-dial indicator, 522-second electric push rod, 6-brake disc. DETAILED DESCRIPTION

[0030] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.

[0031] See also Figure 1 and Figure 2 In one embodiment, a brake disc circular runout detection tool includes: a detection platform 1, a rotating motor 2, a bearing seat 3, a fixing mechanism 4 and a detection mechanism 5.

[0032] In one embodiment, the detection platform 1 is placed on a working platform, the rotary motor 2 is installed on the detection platform 1, and the rotary motor 2 drives the brake disc 6 to rotate.

[0033] In one embodiment, the bearing seat 3 is installed at the output end of the rotating motor 2, and the brake disc 6 is placed on the bearing seat 3. In order to carry brake discs 6 with different inner diameters and improve its application scenarios, preferably, the bearing seat 3 gradually decreases in diameter in a direction away from the rotating motor 2 and is truncated into a cone shape.

[0034] In one embodiment, the fixing mechanism 4 includes a supporting assembly 41 and a plurality of suction cups 42. The supporting assembly 41 is installed in the bearing seat 3, and the suction cups 42 are installed on the supporting assembly 41. The suction cups 42 adsorb and fix the brake disc 6 on the bearing seat 3.

[0035] Specifically, the support assembly 41 includes a support rod 412, a first electric push rod 413 and an annular disk 414; a cavity 31 is provided inside the bearing seat 3, and the first electric push rod 413 is installed in the cavity 31; the support rod 412 is installed at the output end of the first electric push rod 413. Long grooves 32 are symmetrically provided on both sides of the bearing seat 3, and the long grooves 32 are connected with the cavity 31, and the support rod 412 extends out of the bearing seat 3 through the long grooves. The annular disk 414 is installed on both ends of the support rod 412 and outside the bearing seat 3; the suction cup 42 is installed on the end surface of the annular disk 414 close to the brake disk 6, and a plurality of suction cups 42 are provided, and the plurality of suction cups 42 are evenly spaced along the circumference of the annular disk 414, and the suction cup 42 is connected with the external vacuum equipment, and the first electric push rod 413 drives the suction cup 42 to move away from or approach the brake disk 6. Preferably, the suction cup 42 is a vacuum rubber suction cup, which can prevent the suction cup 42 from scratching the surface of the brake disc. Since the brake disc 6 is placed on the bearing seat 3, the vacuum device is turned on, and the brake disc 6 is fixed on the bearing seat 3 by the vacuum adsorption effect of multiple suction cups 42, so the brake disc can be quickly placed and fixed; when the vacuum device is turned off, the suction cup 42 can be separated from the brake disc 6, and the brake disc 6 can be quickly removed from the bearing seat 3. Since the fixing mechanism 4 is installed on the bearing seat 3, when the bearing seat 3 rotates, the fixing mechanism 4 rotates synchronously, and the brake disc 6 will not be damaged.

[0036] In one embodiment, the detection mechanism 5 is installed on the detection platform 1. The detection mechanism 5 includes a detection frame 51 and a detection assembly 52. ​​The detection frame 51 is installed on the detection platform 1, and the detection assembly 52 is installed on the detection frame 51.

[0037] Specifically, the detection frame 51 includes a screw rod 511, a slider 512 and a connecting rod 513. The screw rod 511 is vertically fixedly installed on the detection platform 1, and the connecting rod 513 is provided with a through hole, and the inner wall of the through hole is provided with a thread. Through the threaded fit, the connecting rod 513 is rotatably installed on the screw rod 511, and the connecting rod 513 is rotated to move along the axial direction of the screw rod 511. The end surface of the connecting rod 513 is provided with a slide groove along the length direction of the connecting rod 513, and the slider 512 is slidably installed on the slide groove.

[0038] The detection assembly 52 includes a dial indicator 521 and a second electric push rod 522. The second electric push rod 522 is installed on the end surface of the slider 512 close to the brake disc 6, and the dial indicator 521 is installed at the output end of the second electric push rod 522. The second electric push rod 522 drives the dial indicator 521 away from or close to the brake disc 6. In order to simultaneously detect the circular runout of the upper braking surface and the circular runout of the lower braking surface of the brake disc 6, two groups of detection assemblies 52 are provided, one group is provided on the upper surface of the brake disc 6, and the other group is provided on the lower surface of the brake disc 6.

[0039] When in use, place the detection platform 1 on the working platform, first rotate the connecting rod 513, and place the dial indicator 521 to a position away from the bearing seat 3, so as to facilitate the placement of the brake disc 6 on the bearing seat 3. Start the first electric push rod 413, drive the suction cup 42 to contact the brake disc 6, start the vacuum device, and fix the suction cup 42 on the bearing seat 3 by vacuum adsorption. After confirming that the fixation is completed, adjust the height of the connecting rod 513, slide the slider 512, and the dial indicator 521 is located at a suitable distance from the brake disc 6. Start the second electric push rod 522, and the detection head of the dial indicator 521 contacts the surface of the measurement position of the brake disc 6. Start the rotating motor 2, and the rotating motor 2 will drive the brake disc 6 to rotate. By adjusting the speed control button of the rotating motor 2, selecting a suitable rotation speed, and running at a constant speed for a period of time, reading the value through the dial indicator 521, the circular run-out value of the upper braking surface of the brake disc 6 and the circular run-out value of the lower brake disc are obtained. After completing the test, turn off the vacuum equipment and stop the rotating motor 2, reset the dial indicator 521, and lower the suction cup 42 to remove the brake disc 6 and wait for the next brake disc 6 to be tested.

[0040] Beneficial effects of the utility model:

[0041] The above-mentioned brake disc circular runout fixture can be used to carry brake discs 6 with different inner diameters by providing a truncated cone-shaped bearing seat 3. By providing a suction cup 42, the brake disc 6 is adsorbed and fixed on the bearing seat 3 by the suction cup 42. Before testing the circular runout of the brake disc 6, the brake disc 6 can be quickly installed and fixed. After the test is completed, the suction cup 42 is separated from the brake disc 6, and the brake disc 6 can be quickly removed from the bearing seat, which is suitable for batch testing and production.

[0042] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and specification of the present invention.

Claims

1. A brake disc circular runout detection tool, characterized in that: include: Testing platform; A rotating motor, mounted on the detection platform; A bearing seat, used for placing a brake disc, installed at the output end of the rotating motor, and the rotating motor drives the bearing seat to rotate; The fixing mechanism comprises a supporting assembly and a plurality of suction cups, wherein the supporting assembly is installed in the bearing seat, the suction cups are installed on the supporting assembly, and the suction cups adsorb and fix the brake disc on the bearing seat; and The detection mechanism is installed on the detection platform.

2. The brake disc circular runout detection tool according to claim 1, characterized in that: The bearing seat gradually decreases in diameter in a direction away from the rotating motor and is in a truncated cone shape.

3. The brake disc circular runout detection tool according to claim 2, characterized in that: The support assembly comprises a support rod, a first electric push rod and a ring disk; a cavity for accommodating the first electric push rod is arranged inside the support seat, the support rod is installed at the output end of the first electric push rod, long grooves are symmetrically arranged on both sides of the support seat, and the support rod extends out of the long grooves; The annular disc is installed on the supporting rod and outside the bearing seat; a plurality of suction cups are evenly spaced along the circumference of the annular disc, and the first electric push rod drives the suction cups to move away from or approach the brake disc.

4. The brake disc circular runout detection tool according to claim 3, characterized in that: The suction cup is a vacuum rubber suction cup.

5. The brake disc circular runout detection tool according to claim 1, characterized in that: The detection mechanism comprises a detection frame and a detection component. The detection frame is mounted on the detection platform, and the detection component is mounted on the detection frame.

6. The brake disc circular runout detection tool according to claim 5, characterized in that: The detection frame includes a screw rod, a slider and a connecting rod; the screw rod is fixedly mounted on the detection platform, the connecting rod is rotatably mounted on the screw rod, and the slider is slidably mounted on the connecting rod.

7. The brake disc circular runout detection tool according to claim 6, characterized in that: The detection assembly includes a dial indicator and a second electric push rod, wherein the second electric push rod is mounted on the slider, the dial indicator is mounted at the output end of the second electric push rod, and the second electric push rod drives the dial indicator to move away from or close to the brake disc.

8. The brake disc circular runout detection tool according to claim 7, characterized in that: The detection components are divided into two groups, one group is arranged on the upper surface of the brake disc, and the other group is arranged on the lower surface of the brake disc.

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