A detection device dedicated to brake pads of a brake

Abstract

The present application belongs to the technical field of brake disc flatness detection, especially a detection device special for brake disc, which is used for detecting the flatness of brake disc body, comprising a base, the top of the base is provided with an adjusting mechanism and a motor for driving the rotation of the brake disc body, two linear modules are installed on the adjusting mechanism, and detection assemblies are fixedly installed on the sliders of the two linear modules. The present application can simultaneously detect the flatness of both sides of the brake disc body through two parallel coating rollers, can simultaneously detect the entire side of the brake disc body by coating the paint on the brake disc body through the coating rollers, can judge whether there is a recess on the side of the brake disc body by observing the coating condition of the paint on the side of the brake disc body, and can judge whether there is a protrusion on the side of the brake disc body by observing whether the display data of the detection mechanism changes.

Description

Technical Field

[0001] This invention relates to the field of brake disc and pad flatness testing technology, and in particular to a testing device specifically for brake pads. Background Technology

[0002] Brake discs and pads are important components of automobiles. Current brake discs and pads are mainly composed of circular disc-shaped objects, with both sides of the disc being smooth surfaces. There are many performance indicators for measuring brake discs and pads (such as flatness, eccentricity, parallelism, and balance), among which the surface flatness of the brake disc and pad is the most important performance indicator.

[0003] Currently, when inspecting brake discs and pads, a preset error range is generally used. The measuring tools for measuring the thickness of brake discs and pads are mostly manual or specialized measuring tools such as dial indicators. The brake discs and pads are fixed horizontally or vertically at a test position, and then the brake discs and pads are tested using a dial indicator. During the test, the value is continuously compared with the error range. If it is within the error range, it is considered qualified; if it is not within the error range, it is considered unqualified.

[0004] The above-mentioned testing methods are cumbersome in operation and the accuracy is easily affected by human error. In addition, the surface area of ​​brake discs and pads is large. If there are radial depressions or bulges on the surface of the brake discs and pads, or if the distance between the testing equipment and the center of the brake discs and pads is different, different test results may occur. Therefore, multiple repeated tests are required, which is time-consuming. To address this, a testing device specifically designed for brake pads is proposed. Summary of the Invention

[0005] In order to overcome the shortcomings of the prior art, the present invention proposes a detection device specifically for brake pads.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a detection device specifically for brake pads, used to detect the flatness of the brake disc body, comprising a base, an adjustment mechanism and a motor for driving the brake disc body to rotate are mounted on the top of the base, two linear modules are mounted on the adjustment mechanism, and detection components are fixedly mounted on the sliders of the two linear modules, the two detection components are mirror-distributed on both sides of the brake disc body, the detection components include a coating roller and a detection mechanism, the detection components include a coating roller that can rotate with the brake disc body and swing radially, the coating roller is used to perform coating detection on the concave areas on the side of the brake disc body when rotating, the coating roller will exhibit radial runout when encountering a protrusion on the side of the brake disc body, the detection mechanism is used to detect the radial runout of the coating roller.

[0007] Preferably, the detection assembly includes a mounting plate, a first hinge seat, and a second hinge seat. The mounting plate is fixedly connected to the slider on the linear module. The first hinge seat is fixedly connected to the mounting plate. A second swing block and a first swing block are rotatably mounted inside the first and second hinge seats, respectively. The two ends of the coating roller are rotatably connected to the first and second swing blocks, respectively. A common spring telescopic rod is hinged between the mounting plate and the second hinge seat.

[0008] Preferably, a second rotating shaft is fixedly installed through the second swing block, the second rotating shaft passes through the first hinge seat and is rotatably connected to the first hinge seat, the first swing block is fixedly installed through the first rotating shaft, the first rotating shaft passes through the second hinge seat and is rotatably connected to the second hinge seat, and the second rotating shaft and the first rotating shaft are connected to the same coating mechanism.

[0009] Preferably, the detection mechanism includes a dial indicator and a push plate. The dial indicator is fixedly connected to the side of the cylinder of the spring telescopic rod, the push plate is fixedly sleeved on the piston rod of the spring telescopic rod, and the probe end of the dial indicator abuts against the push plate.

[0010] Preferably, the coating mechanism includes two ear plates, two dial indicators are fixedly connected to rotating shaft one and rotating shaft two respectively, and a rectangular box is fixedly installed between the two ear plates. The rectangular box is provided with a coating sponge that abuts against the coating roller.

[0011] Preferably, the rectangular box has an opening on the side near the coating roller, and the top and bottom edges of the opening of the rectangular box are respectively provided with scraping edge two and scraping edge one, and a filling pipe is fixedly installed through the top of the rectangular box.

[0012] Preferably, a fixing block is fixedly installed on the output shaft of the motor.

[0013] Preferably, the adjustment mechanism includes a guide rail fixedly connected to the top of the base, a movable seat slidably sleeved on the guide rail, a column fixedly installed on the top of the movable seat, a vertical plate fixedly installed on the column, two linear modules fixedly connected to the vertical plate, and four bolts arranged in a rectangular pattern threaded through the movable seat.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] This invention can simultaneously detect the flatness of both sides of the brake disc body by using two parallel coating rollers. By coating pigment onto the brake disc body through the coating rollers, the entire side of the brake disc body can be detected at the same time. By observing the coating of pigment on the side of the brake disc body, it can be determined whether there are any depressions on the side of the brake disc body. By observing whether the data displayed on the dial of the detection mechanism changes, it can be determined whether there are any bulges on the side of the brake disc body. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of a detection device specifically for brake pads proposed in this invention.

[0017] Figure 2 This is a partial structural schematic diagram of a detection device specifically for brake pads proposed in this invention;

[0018] Figure 3 This invention provides a schematic diagram of the structure of a detection component in a device specifically designed for detecting brake pads. Figure 1 ;

[0019] Figure 4 This invention provides a schematic diagram of the structure of a detection component in a device specifically designed for detecting brake pads. Figure 2 ;

[0020] Figure 5 This is a schematic diagram of the coating mechanism in a testing device specifically for brake pads proposed in this invention.

[0021] Figure 6 This is a schematic diagram illustrating the operation of a testing device specifically designed for brake pads, as proposed in this invention, when testing the main body of a brake disc.

[0022] In the diagram: 1. Base; 2. Adjustment mechanism; 21. Guide rail; 22. Moving seat; 23. Bolt; 24. Column; 25. Vertical plate; 3. Linear module; 4. Detection component; 41. Mounting plate; 42. Hinge seat one; 43. Hinge seat two; 44. Swing block one; 441. Rotating shaft one; 45. Swing block two; 451. Rotating shaft two; 46. Coating roller; 47. Spring telescopic rod; 48. Detection mechanism; 481. Dial indicator; 482. Push plate; 49. Coating mechanism; 491. Ear plate; 492. Rectangular box; 493. Coating sponge; 494. Filling pipe; 495. Edge scraper one; 496. Edge scraper two; 5. Motor; 6. Fixing block; 7. Brake disc body. Detailed Implementation

[0023] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0024] Please refer to Figures 1-6This invention provides a technical solution: a detection device specifically for brake pads, used to detect the flatness of the brake disc body 7. It includes a base 1, with an adjustment mechanism 2 and a motor 5 driving the brake disc body 7 to rotate on the top of the base 1. Two linear modules 3 are mounted on the adjustment mechanism 2, and detection components 4 are fixedly mounted on the sliders of both linear modules 3. The two detection components 4 are mirror-distributed on both sides of the brake disc body 7. Each detection component 4 includes a coating roller 46 and a detection mechanism 48. The detection component 4 includes a coating roller 46 that can rotate with the brake disc body 7 and swing radially. When the coating roller 46 rotates, it is used to coat and detect the recesses on the side of the brake disc body 7. When the coating roller 46 encounters a protrusion on the side of the brake disc body 7, the coating roller 46 will exhibit radial runout. The detection mechanism 48 is used to detect the radial runout of the coating roller 46.

[0025] Furthermore, the distance between the two detection components 4 can be adjusted by the two linear modules 3, thus enabling the two detection components 4 to perform detection on brake disc bodies 7 of different thicknesses.

[0026] The detection component 4 includes a mounting plate 41, a first hinge seat 42, and a second hinge seat 43. The mounting plate 41 is fixedly connected to the slider on the linear module 3. The first hinge seat 42 is fixedly connected to the mounting plate 41. The second swing block 45 and the first swing block 44 are rotatably installed in the first hinge seat 42 and the second hinge seat 43, respectively. The two ends of the coating roller 46 are rotatably connected to the first swing block 44 and the second swing block 45, respectively. The same spring telescopic rod 47 is hinged between the mounting plate 41 and the second hinge seat 43.

[0027] Furthermore, when the coating roller 46 is in close contact with the brake disc body 7, the rotating brake disc body 7 will drive the coating roller 46 to rotate under the action of friction.

[0028] A rotating shaft 451 is fixedly installed through the swing block 45. The rotating shaft 451 passes through the hinge seat 42 and is rotatably connected to the hinge seat 42. A rotating shaft 441 is fixedly installed through the swing block 44. The rotating shaft 441 passes through the hinge seat 43 and is rotatably connected to the hinge seat 43. The same coating mechanism 49 is connected to the rotating shaft 451 and the rotating shaft 441.

[0029] The testing mechanism 48 includes a dial indicator 481 and a push plate 482. The dial indicator 481 is fixedly connected to the side of the cylinder of the spring telescopic rod 47. The push plate 482 is fixedly sleeved on the piston rod of the spring telescopic rod 47. The probe end of the dial indicator 481 abuts against the push plate 482.

[0030] The coating mechanism 49 includes two ear plates 491, two dial indicators 481 are fixedly connected to the first rotating shaft 441 and the second rotating shaft 451 respectively, and the same rectangular box 492 is fixedly installed between the two ear plates 491. The rectangular box 492 is provided with a coating sponge 493 that abuts against the coating roller 46.

[0031] The rectangular box 492 has an opening on the side near the coating roller 46. The top and bottom edges of the opening of the rectangular box 492 are respectively provided with scraping edge 2 496 and scraping edge 1 495. The top of the rectangular box 492 is fixedly installed with a filling tube 494 through it.

[0032] Furthermore, the rotation direction of the coating roller 46 is from scraper 2 496 to scraper 1 495. Scraper 2 496 can scrape and clean the surface of scraper 2 496, so that the clean part of the coating roller 46 surface can contact the coating sponge 493. After the coating sponge 493 applies pigment to the coating roller 46, scraper 1 495 scrapes off the excess pigment on the coating roller 46, so that the pigment can be evenly applied to the coating roller 46 before contacting the surface of the brake disc body 7. Pigment can be added into the coating sponge 493 through the filling tube 494.

[0033] Furthermore, the coating roller 46 is made of metal, and its surface is frosted (this facilitates pigment adhesion and increases the friction between it and the side of the brake disc body 7, allowing the brake disc body 7 to rotate while simultaneously driving the contacting coating roller 46 to rotate). After the pigment adhering to the coating roller 46 is scraped by the scraper 495, the pigment forms a thin layer on the coating roller 46. Excess pigment is reabsorbed by the coating sponge 493. When the side of the brake disc body 7 is flat... The coating roller 46 is in close contact with the side of the brake disc body 7, so that the pigment on the coating roller 46 can adhere to the side of the brake disc body 7 through the pressure between the two. If there is a pit on the side of the brake disc body 7, the pigment on the coating roller 46 will adhere to the pit because the pit is not in contact with the coating roller 46. And because the amount of pigment on the coating roller 46 is limited, the pigment will not flow after it adheres to the side of the brake disc body 7, so that the pigment on the flat side of the brake disc body 7 will not flow into the pit.

[0034] A fixing block 6 is fixedly installed on the output shaft of motor 5.

[0035] Furthermore, the fixing block 6 is equipped with clamping holes suitable for mounting holes on various brake disc bodies 7. In use, the fastener is passed through the mounting holes on the brake disc body 7 and then screwed into the corresponding mounting holes to clamp and fix the brake disc body 7 onto the fixing block 6.

[0036] The adjustment mechanism 2 includes a guide rail 21 fixedly connected to the top of the base 1. A movable seat 22 is slidably sleeved on the guide rail 21. A column 24 is fixedly installed on the top of the movable seat 22. A vertical plate 25 is fixedly installed on the column 24. Both linear modules 3 are fixedly connected to the vertical plate 25. Four bolts 23 distributed in a rectangle are threaded through the movable seat 22.

[0037] Furthermore, by loosening the four bolts 23, the installation position of the movable seat 22 on the guide rail 21 can be adjusted, so that the distance between the two detection components 4 and the fixed block 6 can be adjusted accordingly based on the different sizes of the brake disc body 7.

[0038] In this embodiment: when the flatness of the brake disc body 7 is tested, the brake disc body 7 is fixed to the fixing block 6 by fasteners passing through the mounting holes on the brake disc body 7. Then, the two linear modules 3 are controlled to drive the two detection components 4 to move closer to each other, so that the two parallel coating rollers 46 are tightly abutted and attached to the two sides of the brake disc body 7 respectively.

[0039] Then, motor 5 is started. Motor 5 drives the brake disc body 7 to rotate via fixed block 6. The rotating brake disc body 7 will drive the two coating rollers 46 that are in contact with it to rotate. When a bulge appears on the side of the brake disc body 7, the bulge will push the coating rollers 46 to swing around the rotating shaft 451. During this process, the hinge seat 43 will move away from the brake disc body 7 and squeeze the spring telescopic rod 47, causing the piston rod of the spring telescopic rod 47 to retract into the cylinder of the spring telescopic rod 47. At this time, the push plate 482 will push the probe of the dial indicator 481, so that the dial indicator 481 will display a change in value. Therefore, the operator only needs to observe the change in the display on the dial indicator 481 to detect the presence of a bulge on the brake disc body 7.

[0040] When the brake disc body 7 rotates, it will simultaneously drive the coating roller 46 to rotate. When the coating roller 46 rotates, the paint in the coating mechanism 49 will be evenly coated on the coating roller 46. The coating roller 46, which is in contact with the brake disc body 7, will apply the pigment to the surface of the brake disc body 7 during the rotation process. If the surface of the brake disc body 7 is flat, the pigment will be evenly coated on the surface of the brake disc body 7. If there are pits on the surface of the brake disc body 7, the pigment on the coating roller 46 cannot be coated on the pits. Afterwards, the staff only needs to observe whether there are any areas on the surface of the brake disc body 7 that have not been coated with pigment to detect whether there are pits on the surface of the brake disc body 7. After the detection is completed, the staff can clean the pigment coated on the brake disc body 7.

[0041] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A testing device specifically for brake pads, used to test the flatness of brake disc body (7), comprising a base (1), characterized in that: The base (1) is equipped with an adjustment mechanism (2) and a motor (5) that drives the brake disc body (7) to rotate. The adjustment mechanism (2) is equipped with two linear modules (3). The sliders of the two linear modules (3) are fixedly equipped with detection components (4). The two detection components (4) are distributed in a mirror image on both sides of the brake disc body (7). The detection components (4) include a coating roller (46) and a detection mechanism (48). The detection components (4) include a coating roller (46) that can rotate with the brake disc body (7) and swing radially. When the coating roller (46) rotates, it is used to perform coating detection on the recessed area on the side of the brake disc body (7). When the coating roller (46) encounters the protrusion on the side of the brake disc body (7), the coating roller (46) will have radial runout. The detection mechanism (48) is used to detect the radial runout of the coating roller (46). The detection component (4) includes a mounting plate (41), a first hinge seat (42) and a second hinge seat (43). The mounting plate (41) is fixedly connected to the slider on the linear module (3). The first hinge seat (42) is fixedly connected to the mounting plate (41). The second swing block (45) and the first swing block (44) are rotatably installed in the first hinge seat (42) and the second hinge seat (43), respectively. The two ends of the coating roller (46) are rotatably connected to the first swing block (44) and the second swing block (45), respectively. The same spring telescopic rod (47) is hinged between the mounting plate (41) and the second hinge seat (43). A rotating shaft 2 (451) is fixedly installed through the swing block 2 (45). The rotating shaft 2 (451) passes through the hinge seat 1 (42) and is rotatably connected to the hinge seat 1 (42). A rotating shaft 1 (441) is fixedly installed through the swing block 1 (44). The rotating shaft 1 (441) passes through the hinge seat 2 (43) and is rotatably connected to the hinge seat 2 (43). The same coating mechanism (49) is connected to the rotating shaft 2 (451) and the rotating shaft 1 (441). The testing mechanism (48) includes a dial indicator (481) and a push plate (482). The dial indicator (481) is fixedly connected to the cylinder side of the spring telescopic rod (47). The push plate (482) is fixedly sleeved on the piston rod of the spring telescopic rod (47). The probe end of the dial indicator (481) abuts against the push plate (482). The coating mechanism (49) includes two ear plates (491), two dial indicators (481) are fixedly connected to the first rotating shaft (441) and the second rotating shaft (451) respectively, and the same rectangular box (492) is fixedly installed between the two ear plates (491). The rectangular box (492) is provided with a coating sponge (493) that abuts against the coating roller (46). The rectangular box (492) has an opening on the side near the coating roller (46). The top and bottom edges of the opening of the rectangular box (492) are respectively provided with scraping edge two (496) and scraping edge one (495). The top of the rectangular box (492) is fixedly installed with a filling tube (494).

2. The detection device specifically for brake pads according to claim 1, characterized in that: A fixing block (6) is fixedly installed on the output shaft of the motor (5).

3. The detection device specifically for brake pads according to claim 1, characterized in that: The adjustment mechanism (2) includes a guide rail (21) fixedly connected to the top of the base (1), a movable seat (22) is slidably sleeved on the guide rail (21), a column (24) is fixedly installed on the top of the movable seat (22), a vertical plate (25) is fixedly installed on the column (24), two linear modules (3) are fixedly connected to the vertical plate (25), and four bolts (23) in a rectangular distribution are threaded through the movable seat (22).

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