Brake pad friction coefficient detection machine

Abstract

The utility model discloses a brake pad friction coefficient detection machine which comprises an installation seat, a top plate is arranged on the installation seat in parallel through a support, a detection piece used for detecting the friction coefficient of a brake pad is fixedly arranged on the top plate, a limiting seat in a regular polygon prism shape is fixedly arranged on the upper surface of the installation seat, and the limiting seat is fixedly arranged on the lower surface of the installation seat. Each side face of the limiting seat is provided with a clamping mechanism corresponding to the side face of the limiting seat, a rotating shaft is vertically and rotatably arranged at the center axis position of the upper surface of the limiting seat, and the side face of the rotating shaft is provided with a detection head capable of abutting against the surface of each to-be-detected brake block through a connecting rod. When the device is used, the problems that in the prior art, a detector can only detect the friction coefficient of one brake pad at a time and cannot detect a plurality of brake pads at the same time, so that the detection efficiency is low, and meanwhile, the performance difference of different brake pads under the same condition is difficult to comprehensively reflect are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection device technical field, specifically, relate to a brake shoe friction coefficient detection machine. BACKGROUND

[0002] The automobile brake system is the important system of guaranteeing automobile safe running. The automobile brake shoe is as the key part of brake system, and its friction coefficient value not only influences the driving comfort of driver, is more important index of automobile brake safety performance. Therefore, it is particularly important to carry out accurate, reliable detection.

[0003] Through the search, the patent application CN221238353U discloses a kind of brake friction plate production detector. Friction plate is placed on installation unit, when installation unit rotates 180 degrees, detection block follows the movement of rotating shaft and moves on the surface of friction plate, whether the friction coefficient of friction plate meets standard is calculated by friction coefficient tester, the practicability of the device is improved by reasonable structure design.

[0004] However, in the implementation of the above technical scheme, the following technical problems still exist: the detector can only detect the friction coefficient of one brake shoe at a time, and cannot detect multiple brake shoes simultaneously, resulting in low detection efficiency and difficulty in fully reflecting the performance differences of different brake shoes under the same conditions.

[0005] Therefore, it is an urgent problem for the utility model to provide a brake shoe friction coefficient detection machine that can simultaneously detect the friction coefficients of multiple brake shoes, improve detection efficiency, ensure data consistency and reduce detection cost. UTILITY MODEL CONTENTS

[0006] To solve the above technical problems, the utility model aims to overcome the problem that the detector in the prior art can only detect the friction coefficient of one brake shoe at a time and cannot simultaneously detect multiple brake pads, resulting in low detection efficiency and difficulty in fully reflecting the performance differences of different brake shoes under the same conditions, thereby providing a brake shoe friction coefficient detection machine that can simultaneously detect the friction coefficients of multiple brake shoes, improve detection efficiency, ensure data consistency and reduce detection cost.

[0007] To achieve the above purpose, the utility model provides a brake shoe friction coefficient detection machine, which comprises a mounting seat, and a top plate is provided on the mounting seat in parallel through a support, wherein,

[0008] The top plate is fixedly provided with a detection member for detecting the friction coefficient of the brake pad, the upper surface of the mounting seat is fixedly provided with a limiting seat in the shape of a regular polygonal prism, each side surface of the limiting seat is respectively provided with a clamping mechanism corresponding thereto, and the upper surface of the limiting seat is vertically and rotatably provided with a rotating shaft at the central axis position, and the side surface of the rotating shaft is provided with a detection head capable of abutting against the surface of each brake pad to be detected through a connecting rod.

[0009] Preferably, the upper surface of the mounting seat is provided with a mounting ring sleeving the limiting seat, and the mounting ring is coaxially arranged with the mounting seat, and a plurality of clamping mechanisms are respectively and spaced apart arranged on the mounting ring; wherein,

[0010] The clamping mechanism comprises a sliding rod and a clamping head, the sliding rod is slidably arranged through the mounting ring, and the end of the sliding rod towards the limiting seat is provided with the clamping head, and the clamping head is capable of moving along the vertical direction of the corresponding side surface of the limiting seat following the sliding rod.

[0011] Preferably, the mounting seat is provided with an adjusting assembly for synchronously driving each sliding rod to slide on the mounting ring, so as to adjust the distance between the clamping head and the limiting seat and thereby limit and fix the brake pad.

[0012] Preferably, the adjusting assembly comprises a gear ring, a first gear, a second gear and a rack; wherein,

[0013] The outer side surface of each sliding rod is respectively provided with a rack parallel to the mounting seat, the mounting seat is rotatably provided with a second gear corresponding to each rack and in meshing connection through a connecting shaft, the inside of the mounting ring is rotatably provided with a gear ring concentric therewith, and the mounting seat is further fixedly provided with a driving member for driving the gear ring to rotate, and a first gear in meshing connection with the gear ring is further fixedly sleeved on each connecting shaft below the second gear.

[0014] Preferably, the driving member comprises a first driving motor and a driving gear, the first driving motor is fixedly arranged on the bottom surface of the mounting seat, and a driving gear in meshing connection with the gear ring is fixedly sleeved on the output shaft of the first driving motor.

[0015] Preferably, the detection machine further comprises a second driving motor; wherein,

[0016] The second driving motor is arranged on the top plate, the output shaft thereof is vertically arranged, and the output shaft is coaxially connected with the rotating shaft through a shaft coupler.

[0017] Preferably, an anti-skid pad is fixedly arranged on the side surface of the clamping head in contact with the brake pad.

[0018] Preferably, each side surface portion of the limiting seat is inwardly recessed to form a placing groove matched with the brake pad.

[0019] According to the technical scheme, the utility model provides a kind of brake pad friction coefficient detection machine, and the beneficial effect is that: by designing the limit seat of positive polygonal prism, it is ensured that brake pad is stably placed during detection, and the simultaneous detection of multiple brake pads is realized, and the detection efficiency is improved.When in use, multiple brake pads are placed in the limit seat, the clamping mechanism is started to clamp and limit the brake pad, the clamping mechanism can automatically adjust the clamping force, ensure that the brake pad does not move during detection, improve the accuracy of detection results, then start the detection piece, so that the detection head detects the friction coefficient of the brake pad, multiple brake pads can be placed and detected at the same time, the detection time is significantly shortened, and the work efficiency is improved.

[0020] Other features and advantages of the utility model will be described in detail in the subsequent specific implementation manner part;And the part not involved in the utility model is same with prior art or can be realized by prior art. BRIEF DESCRIPTION OF DRAWINGS

[0021] The drawings are used to provide further understanding of the utility model, and constitute part of the specification, and are used to explain the utility model with the following specific implementation, but do not constitute the limitation of the utility model.In the drawings:

[0022] Figure 1 It is the three-dimensional structure schematic of the brake pad friction coefficient detection machine provided in a preferred embodiment Figure One ;

[0023] Figure 2 It is the three-dimensional structure schematic of the brake pad friction coefficient detection machine provided in a preferred embodiment Figure Two ;

[0024] Figure 3 It is the plane view of the brake pad friction coefficient detection machine provided in a preferred embodiment;

[0025] Figure 4 It is the sectional view of A-A in Figure 3 ;

[0026] Figure 5 It is the three-dimensional structure sectional view of the brake pad friction coefficient detection machine provided in a preferred embodiment

[0027] Figure 6 It is the partial three-dimensional structure schematic of the brake pad friction coefficient detection machine adjusting assembly provided in a preferred embodiment;

[0028] Figure 7 It is the three-dimensional structure schematic of the brake pad friction coefficient detection machine adjusting assembly provided in a preferred embodiment.

[0029] Reference Signs List

[0030] 100, mounting seat; 200, top plate; 300, second driving motor; 301, rotating shaft; 302, detection head; 303, friction coefficient tester; 400, limiting seat; 401, placing groove; 500, clamping mechanism; 501, mounting ring; 502, sliding rod; 503, clamping head; 504, non-slip pad; 600, adjusting assembly; 601, first driving motor; 602, driving gear; 603, gear ring; 604, first gear; 605, second gear; 606, rack. DETAILED DESCRIPTION

[0031] The specific embodiments described hereinbefore will be better understood in connection with the accompanying drawings, of which, it should be understood that the specific embodiments described herein are intended for purposes of illustration and explanation only and are not intended to limit the present application in any way.

[0032] In the present application, in the absence of the opposite description, the orientation words contained in the terms such as "up, down, inside and outside" only represent the orientation of the terms in the normal use state, or the common name understood by the person skilled in the art, and should not be regarded as a limitation of the terms.

[0033] Referring to Figures 1-4 As shown in the figure, a brake pad friction coefficient detection machine, the detection machine includes: mounting seat 100, the mounting seat 100 is provided with top plate 200 through the support parallelly, wherein,

[0034] The top plate 200 is fixedly provided with a detection member for detecting the friction coefficient of the brake pad, the upper surface of the mounting seat 100 is fixedly provided with a limiting seat 400 in the form of a regular polygonal prism, each side of the limiting seat 400 is respectively provided with a clamping mechanism 500 corresponding thereto, and a rotating shaft 301 is vertically and rotatably arranged at the center axis position of the upper surface of the limiting seat 400, and the side of the rotating shaft 301 is provided with a detection head 302 capable of abutting to the surface of each brake pad to be detected through a connecting rod.

[0035] By designing the limiting seat 400 in the form of a regular polygonal prism, the stability of the brake pad during detection is ensured, and the simultaneous detection of multiple brake pads is realized, thereby improving the detection efficiency. When in use, multiple brake pads are placed in the limiting seat 400, the clamping mechanism 500 is started to clamp and limit the brake pads, the clamping mechanism 500 can automatically adjust the clamping force to ensure that the brake pads do not move during detection, thereby improving the accuracy of the detection results, and then the detection member is started to make the detection head 302 detect the friction coefficient of the brake pad. Multiple brake pads can be placed and detected at the same time, the detection time is significantly shortened, and the work efficiency is improved.

[0036] Referring to Figures 3-5As shown, the upper surface of the mounting base 100 is provided with a mounting ring 501 sleeving the limiting seat 400, and the mounting ring 501 is arranged on the same central axis as the mounting base 100, and a plurality of clamping mechanisms 500 are arranged on the mounting ring 501 in a spaced manner; wherein the clamping mechanism 500 comprises a sliding rod 502 and a clamping head 503; the sliding rod 502 is arranged in a sliding manner through the mounting ring 501, and the end of the sliding rod 502 towards the limiting seat 400 is provided with the clamping head 503, and the clamping head 503 can move along the vertical direction of the side surface of the corresponding limiting seat 400.

[0037] In use, the brake pad is placed in the limiting seat 400, the sliding rod 502 is driven to move in the vertical direction of the side surface of the mounting ring 501, the clamping head 503 is driven to move towards the brake pad, the pressure of the clamping head 503 on the brake pad is adjusted, and the clamping force is ensured to be moderate.

[0038] Referring to Figures 4-5 As shown, the mounting base 100 is provided with an adjusting assembly 600 for synchronously driving each sliding rod 502 to slide on the mounting ring 501, so as to adjust the distance between the clamping head 503 and the limiting seat 400 and thereby limit and fix the brake pad.

[0039] In the above scheme, the adjusting assembly 600 is started, the rotational motion of the adjusting assembly 600 is converted into the linear motion of the sliding rod 502, the sliding rod 502 is driven to move on the mounting ring 501, and thereby the position of the clamping head 503 is accurately controlled, so that the clamping head 503 moves away from or approaches the brake pad, the pressure of the clamping head 503 on the brake pad is adjusted, and the clamping force is ensured to be moderate.

[0040] Referring to Figures 4-7 As shown, the adjusting assembly 600 comprises a gear ring 603, a first gear 604, a second gear 605 and a rack 606; wherein the outer side surface of each sliding rod 502 is provided with a rack 606 parallel to the mounting base 100, the mounting base 100 is rotatably provided with a second gear 605 corresponding to each rack 606 through a connecting shaft, the inside of the mounting ring 501 is rotatably provided with a gear ring 603 concentric with the mounting ring 501, the mounting base 100 is further provided with a driving member for driving the gear ring 603 to rotate, and a first gear 604 meshing with the gear ring 603 is further fixedly sleeved on each connecting shaft below the second gear 605.

[0041] In the above scheme, when in use, the driving member drives the gear ring 603 to rotate, and since the gear ring 603 is engaged with the first gear 604, the first gear 604 is driven to rotate, the first gear 604 is fixed on the rotating shaft of the second gear 605, so that the second gear 605 is driven to rotate while the first gear 604 rotates, and since the second gear 605 is engaged with the rack 606, the rotating motion of the second gear 605 is converted into the linear motion of the rack 606, so that the sliding rod 502 is driven to slide on the mounting ring 501, the position of the clamping head 503 is accurately adjusted, and the clamping force is moderate.

[0042] Referring to Figures 2-7 As shown in the drawings, the driving member comprises a first driving motor 601 and a driving gear 602; the first driving motor 601 is fixedly arranged on the bottom surface of the mounting seat 100, and the output shaft of the first driving motor 601 is fixedly sleeved with the driving gear 602 engaged with the gear ring 603.

[0043] In the above scheme, the rotating motion of the first driving motor 601 is converted into the linear motion of the sliding rod 502 through the gear transmission mechanism. When in use, the first driving motor 601 is started to drive the driving gear 602 to rotate, and then the gear ring 603 is driven to rotate through the engagement of the driving gear 602 and the gear ring 603, the gear ring 603 drives the second gear 605 to rotate through the first gear 604, and the position of the clamping head 503 is accurately adjusted through the gear transmission, and the clamping force is moderate.

[0044] Referring to Figures 1-3 As shown in the drawings, the detection machine further comprises a second driving motor 300; the second driving motor 300 is arranged on the top plate 200, the output shaft of the second driving motor 300 is arranged vertically, and the output shaft of the second driving motor 300 is coaxially connected with the rotating shaft 301 through a shaft coupling.

[0045] In the above scheme, the rotation power of the second driving motor 300 is used to drive the detection head 302 to rotate through the rotating shaft 301, simulating the friction process of the brake pad in actual use, so as to measure the friction coefficient. In use, the second driving motor 300 is started to drive the rotating shaft 301 to rotate, and the detection head 302 rotates with the rotating shaft 301 and contacts the surface of the brake pad. The detection head 302 detects the friction coefficient of the brake pad, can detect multiple brake pads at the same time, and can also fully reflect the performance difference of different brake pads under the same conditions. The front end of the top plate 200 is provided with a friction coefficient tester 303, and the friction coefficient tester 303 and the detection head 302 are connected by electrical signals. When the detection head 302 contacts and rotates the brake pad to detect the friction coefficient, it can transmit the detected data to the friction coefficient tester 303 in real time. The friction coefficient tester 303 receives and processes accurate data from the detection head 302, calculates whether the friction coefficient of the friction plate meets the standard through the friction coefficient tester 303, and completes the detection of the friction coefficient of the brake pad.

[0046] Referring to Figure 4 As shown in the figure, the side of the clamping head 503 in contact with the brake pad is fixedly provided with a non-slip pad 504.

[0047] In the above scheme, the non-slip pad 504 is usually made of soft and wear-resistant materials such as rubber or silicone, which can increase the friction between the clamping head 503 and the brake pad, effectively prevent the sliding or displacement of the brake pad during detection from affecting the accuracy of the detection results, and also protect the surface of the brake pad to some extent, avoiding scratches or wear caused by direct contact during clamping.

[0048] Referring to Figures 4-6 As shown in the figure, each side of the limiting seat 400 is inwardly recessed to form a placing groove 401 adapted to the brake pad.

[0049] The design of multiple independent placing grooves 401 ensures that the brake pad is stably placed during detection. At the same time, the placing grooves 401 are used to realize the simultaneous detection of multiple brake pads, improving the detection efficiency.

[0050] In summary, the utility model provides a kind of brake pad friction coefficient detection machine, when using, multiple brake pads are placed in placing groove 401 respectively, start first drive motor 601 and drive driving gear 602 rotation, further through driving gear 602 and gear ring 603 meshing and drive gear ring 603 rotation, gear ring 603 rotates by first gear 604 and drive second gear 605, since second gear 605 and rack 606 mesh, so that the rotational movement of second gear 605 is converted into the linear motion of rack 606, to drive sliding rod 502 on mounting ring 501 sliding, realize the accurate adjustment of the position of clamping head 503, so that clamping head 503 is away from or close to brake pad, adjust the pressure of clamping head 503 to brake pad, ensure that clamping force is moderate, start second drive motor 300 and drive rotating shaft 301 rotation, detection head 302 rotates along with rotating shaft 301 and is contacted with the surface of brake pad, detection head 302 carries out friction coefficient detection to brake pad, friction coefficient measuring instrument 303 receives and handles accurate data from detection head 302, whether the friction coefficient of friction plate meets standard is calculated by friction coefficient measuring instrument 303, to complete the detection of brake pad friction coefficient.

[0051] The preferred embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the specific details in the above-described embodiments, and various simple modifications can be made to the technical solutions of the utility model within the technical concept of the utility model, and these simple modifications all belong to the protection scope of the utility model.

[0052] In addition, it should be noted that various specific technical features described in the above-described specific embodiments can be combined in any suitable manner without contradiction, and to avoid unnecessary repetition, the utility model will not further describe various possible combination manners.

[0053] Furthermore, various different embodiments of the utility model can also be combined arbitrarily, as long as it does not deviate from the concept of the utility model, and it should be considered as disclosed content of the utility model.

Claims

1. A brake pad friction coefficient detection machine characterized by, The detection machine comprises a mounting seat (100), a top plate (200) is provided on the mounting seat (100) in parallel through a support, wherein, A detection piece for detecting the friction coefficient of a brake pad is fixedly arranged on the top plate (200), a limiting seat (400) in the shape of a regular polygonal prism is fixedly arranged on the upper surface of the mounting seat (100), each side surface of the limiting seat (400) is respectively provided with a clamping mechanism (500) corresponding thereto, and a rotating shaft (301) is vertically and rotatably arranged at the central axis position of the upper surface of the limiting seat (400), and a detection head (302) capable of abutting against the surface of each brake pad to be detected is arranged on the side surface of the rotating shaft (301) through a connecting rod.

2. The brake pad friction coefficient detection machine according to claim 1, wherein The upper surface of the mounting seat (100) is provided with a mounting ring (501) sleeving the limiting seat (400), and the mounting ring (501) is coaxially arranged with the mounting seat (100), a plurality of clamping mechanisms (500) are respectively and intervally arranged on the mounting ring (501); wherein, The clamping mechanism (500) comprises a sliding rod (502) and a clamping head (503), the sliding rod (502) is slidingly arranged through the mounting ring (501), and the end of the sliding rod (502) towards the limiting seat (400) is provided with the clamping head (503), and the clamping head (503) is capable of moving along the vertical direction of the side surface of the corresponding limiting seat (400) following the sliding rod (502).

3. The brake pad friction coefficient detection machine of claim 2, wherein, An adjusting assembly (600) for synchronously driving each sliding rod (502) to slide on the mounting ring (501) is arranged on the mounting seat (100), so as to adjust the distance between the clamping head (503) and the limiting seat (400) and thereby fix the brake pad.

4. The brake pad friction coefficient detection machine of claim 3, wherein, The adjusting assembly (600) comprises a gear ring (603), a first gear (604), a second gear (605) and a rack (606); wherein, The outer side surface of each sliding rod (502) is respectively provided with a rack (606) parallel to the mounting seat (100), a second gear (605) corresponding to each rack (606) in one-to-one correspondence and meshing connection is rotatably arranged on the mounting seat (100) through a connecting shaft, and a gear ring (603) is rotatably arranged in the inner portion of the mounting ring (501) and coaxial thereto, and a driving member for driving the gear ring (603) to rotate is further fixedly arranged on the mounting seat (100), and a first gear (604) meshing with the gear ring (603) is further fixedly sleeved on each connecting shaft below the second gear (605).

5. The brake pad friction coefficient detection machine of claim 4, wherein, The driving member comprises a first driving motor (601) and a driving gear (602), the first driving motor (601) is fixedly arranged on the bottom surface of the mounting seat (100), and the output shaft of the first driving motor (601) is fixedly sleeved with the driving gear (602) meshing with the gear ring (603).

6. The brake pad friction coefficient detection machine of claim 1, wherein, The detection machine further comprises a second driving motor (300); wherein, The second driving motor (300) is arranged on the top plate (200), the output shaft thereof is vertically arranged, and the output shaft is coaxially connected with the rotating shaft (301) through a shaft coupler.

7. The brake pad friction coefficient detection machine of claim 2, wherein The anti-skid pad (504) is fixed on the side of the clamping head (503) in contact with the brake pad.

8. The brake pad friction coefficient detection machine of claim 1, wherein, Each side portion of the limiting seat (400) is inwardly recessed to form a placing groove (401) matched with the brake pad.

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