Fixture for universal tension and compression test of brake pad

Abstract

The utility model discloses a clamp for a brake pad universal tension and compression test, which belongs to the technical field of clamps for tests and comprises a frame component, a tension and compression plate is fixed on the side wall of the frame component, an assembly hole is arranged on the tension and compression plate, a bearing plate is arranged on the inner wall of the frame component far away from the tension and compression plate, and a brake pad body is fixed on the side wall of the bearing plate close to the tension and compression plate. A bearing plate is arranged on one side of the frame component, vertical partition plates are arranged on the other side of the bearing plate, a temperature measuring device is arranged between the vertical partition plates, a supporting block is fixed to the bottom of the frame component and located below the bearing plate, a clamping strip is fixed to the top of the supporting block, and the clamping strip is located below the brake pad body. The brake pad body and the bearing plate are fixed firstly, then the brake pad body and the bearing plate are directly inserted into the frame body part, necessary heat dissipation can be provided for the brake pad body in the test process, the temperature of the brake pad body is detected through the temperature measuring device with the movable position, and more test data are further obtained.

Description

TECHNICAL FIELD

[0001] The utility model relates to the fixture of brake pad universal tensile test belongs to test fixture technical field. BACKGROUND

[0002] In the braking system of vehicle, the brake pad is an important braking component, and the friction between the brake pad and the brake disc makes the wheel decelerate, and the performance of the brake pad is directly related to the safety of driving, and the brake pad as a consumable also needs to be checked and replaced regularly, so that the braking system can play a function.

[0003] Such as the Chinese invention patent document with application No. CN202211411998.5, brake pad shearing equipment;Including: test machine body, the auxiliary table side surface of test machine body right side is fixedly connected with servo motor;The servo motor shaft is fixedly connected with the lead screw through the shaft coupling;The driving block is slidably arranged on the guide rod;The L plate is fixedly connected with the mounting plate;The mounting plate upper surface is fixedly connected with the air cylinder through the bolt;The extension shaft of air cylinder extends to the mounting plate below;The extension shaft of air cylinder lower surface is fixedly connected with the shearing block.

[0004] The above document is mainly used to solve the problem that the brake pad may be broken and scattered when the brake pad is sheared and pressed, which may cause damage to the test personnel.

[0005] However, in the test of brake pad, the brake pad also needs to be subjected to tensile and pressure wear test, and it is not practical to directly assemble the brake pad and the test equipment, and generally an additional fixture is needed to preliminarily fix brake pads of different specifications, and then the test is carried out. The traditional fixture is simply fixed, and the test process is directly judged by the wear degree whether it is qualified, and the experimental data in the experimental process is lack of further acquisition, and thus the utility model is proposed. UTILITY MODEL CONTENTS

[0006] The utility model aims at solving the above problems and provides a brake pad universal tensile test fixture, which can be directly inserted into the frame component, and can provide necessary heat dissipation for the brake pad body during the test, and use the movable temperature measuring device to detect the temperature of the brake pad body, and further obtain more test data.

[0007] The utility model discloses a brake pad universal draw -in test's fixture, including frame body part, frame body part is the integral structure, can bear greater tension and compression, the lateral wall of frame body part is fixed with tension and compression board, and tension and compression board need and the assembly connection of external mobile device, be equipped with assembly hole on tension and compression board, the inner wall of frame body part away from tension and compression board is equipped with bearing plate, and bearing plate can and frame body part separate, and this can facilitate personnel operation use, the lateral wall of bearing plate close tension and compression board is fixed with brake pad body, the other side of bearing plate is equipped with vertical baffle, be equipped with temperature measuring device between vertical baffle, and temperature measuring device can directly obtain the temperature on bearing plate, and still need external instrument display device to connect when using, the bottom of frame body part is fixed with the holding block, the holding block is located the below of bearing plate, and the top of holding block is fixed with the clamping strip, and the clamping strip is located the below of brake pad body.

[0008] Preferably, in order to fix the position of the brake pad body, the brake pad body is fixed on the bearing plate by bonding, welding or bolt connection, the brake pad body comprises a base plate component and an abrasion block arranged on the base plate component, and the clamping strip is located below the base plate component only.

[0009] Preferably, in order to increase the heat dissipation effect of the heat dissipation fin body, an exhaust cover is installed on the top of the frame body part, the side wall of the exhaust cover is provided with an air inlet pipe, the bottom of the exhaust cover is open, and the bottom of one side edge of the exhaust cover extends downward to one side of the bearing plate.

[0010] Preferably, in order to facilitate the installation of the exhaust cover, a fixing seat is fixed on the top edge of the frame body part, and ear plates are fixed on the two sides of the exhaust cover, and the ear plates are fixed with the fixing seat through fixing bolts.

[0011] Preferably, in order to fix the position of the upper part of the bearing plate, a clamping groove is arranged on the side wall of the vertical baffle, and the two sides of the bearing plate are close to the inner wall of the frame body part.

[0012] Preferably, in order to facilitate the position limitation of the temperature measuring probe, the temperature measuring device comprises a sliding block, a center hole is formed in the sliding block, a temperature measuring probe is slidably clamped in the center hole, and one end of the temperature measuring probe is close to the outer wall of the bearing plate.

[0013] Preferably, in order to make the temperature measuring probe closely contact on the side wall of the bearing plate after the bearing plate is inserted into the frame part, and avoid the contact between the temperature measuring probe and the bearing plate due to thermal expansion and contraction, one side of the temperature measuring probe is fixed with a return spring, one end of the return spring is fixed with a push plate, the push plate is fixed with a limiting column, one end of the limiting column extends to the sliding block, the sliding block is provided with a limiting hole corresponding to the limiting column, and one end of the limiting column extends into the limiting hole.

[0014] Preferably, in order to facilitate manual control of the position of the temperature measuring point, the top of the sliding block is fixed with an operation plate, the operation plate is provided with an operation hole, a positioning bolt is installed in the operation hole in a threaded manner, one end of the positioning bolt abuts against the side wall of the bearing plate, and the height of the return spring is greater than the distance from one end of the temperature measuring probe to the side wall of the bearing plate.

[0015] The brake pad body and the bearing plate are fixed first, and then are directly inserted into the frame part, and the brake pad body can be provided with necessary heat dissipation during testing, and the temperature of the brake pad body is detected by the movable temperature measuring device, so that more test data are obtained. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is an overall structural schematic view of the utility model.

[0017] Figure 2 It is an exhaust cover shell structural schematic view of the utility model.

[0018] Figure 3 It is an overall sectional structural schematic view of the utility model.

[0019] Figure 4 It is a bottom structural schematic view of the utility model.

[0020] Figure 5 It is a vertical partition plate structural schematic view of the utility model.

[0021] Figure 6 It is a temperature measuring device structural schematic view of the utility model.

[0022] In the drawing: 1, frame part; 101, pull and press plate; 102, supporting block; 103, clamping strip; 2, bearing plate; 201, vertical partition plate; 3, brake pad body; 4, temperature measuring device; 401, sliding block; 402, temperature measuring probe; 403, return spring; 404, push plate; 405, limiting column; 406, operation plate; 407, positioning bolt; 5, exhaust cover shell; 501, air inlet pipe; 502, ear plate; 503, fixed bolt. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] Please refer to Figures 1-6 As shown in the figure, the brake pad universal tensile test fixture comprises a frame part 1, the frame part 1 is of an integral structure and can bear greater tension and pressure, a tension and pressure plate 101 is fixed on the side wall of the frame part 1, the tension and pressure plate 101 needs to be assembled and connected with an external moving device, an assembly hole is arranged on the tension and pressure plate 101, a bearing plate 2 is arranged on the inner wall of the frame part 1 away from the tension and pressure plate 101, the bearing plate 2 can be separated from the frame part 1, so that personnel operation and use can be facilitated, a brake pad body 3 is fixed on the side wall of the bearing plate 2 close to the tension and pressure plate 101, vertical partition plates 201 are arranged on the other side of the bearing plate 2, temperature measuring devices 4 are arranged between the vertical partition plates 201, the temperature measuring devices 4 can directly obtain the temperature on the bearing plate 2, and an external instrument display device needs to be connected during use, a supporting block 102 is fixed at the bottom of the frame part 1, the supporting block 102 is located below the bearing plate 2, a clamping strip 103 is fixed at the top of the supporting block 102, the clamping strip 103 is located below the brake pad body 3, the brake pad body 3 is fixed on the bearing plate 2 in a manner of bonding, welding or bolt connection, the brake pad body 3 comprises a base plate part and an abrasion block arranged on the base plate part, the clamping strip 103 is located below the base plate part only, so that the position of the brake pad body 3 can be fixed.

[0025] As shown in the figure, Figure 2 and Figure 3 A ventilation cover shell 5 is installed at the top of the frame part 1, the side wall of the ventilation cover shell 5 is provided with an air inlet pipe 501, the bottom of the ventilation cover shell 5 is open, and the bottom of one side edge of the ventilation cover shell 5 extends downward to one side of the bearing plate 2, so that the heat dissipation effect of the fin body can be increased, a fixed seat is fixed at the top edge of the frame part 1, ear plates 502 are fixed on the two sides of the ventilation cover shell 5, the ear plates 502 are fixed with the fixed seat through fixed bolts 503, so that the ventilation cover shell 5 can be conveniently installed.

[0026] As shown in the figure, Figure 5 and Figure 6As shown, the side wall of the vertical partition 201 is provided with a clamping groove, the two sides of the bearing plate 2 are close to the inner wall of the frame component 1, so that the upper part of the bearing plate 2 can be fixed in position, the temperature measuring device 4 comprises a sliding block 401, a central hole is formed in the sliding block 401, a temperature measuring probe 402 is slidably clamped in the central hole, one end of the temperature measuring probe 402 is close to the outer wall of the bearing plate 2, so that the position of the temperature measuring probe 402 can be conveniently limited, one side of the temperature measuring probe 402 is fixed with a return spring 403, one end of the return spring 403 is fixed with a push plate 404, the push plate 404 is fixed with a limiting column 405, one end of the limiting column 405 extends to the sliding block 401, the sliding block 401 is provided with a limiting hole corresponding to the limiting column 405, one end of the limiting column 405 extends into the limiting hole, so that after the bearing plate 2 is inserted into the frame component 1, the temperature measuring probe 402 can be in close contact with the side wall of the bearing plate 2, and meanwhile, the temperature measuring probe 402 and the bearing plate 2 are prevented from being in poor contact due to thermal expansion and cold contraction, the top of the sliding block 401 is fixed with an operation plate 406, the operation plate 406 is provided with an operation hole, a positioning bolt 407 is installed in the operation hole in a threaded manner, one end of the positioning bolt 407 abuts against the side wall of the bearing plate 2, and the height of the return spring 403 is greater than the distance from one end of the temperature measuring probe 402 to the side wall of the bearing plate 2, so that the position of the temperature measuring point can be conveniently manually controlled.

[0027] In use, the clamp can be conveniently assembled and used by personnel, the brake pad body 3 and the bearing plate 2 are first fixed, and then directly inserted into the frame component 1, and during testing, the brake pad body 3 can be provided with necessary heat dissipation, and the temperature of the brake pad body 3 is detected by the movable temperature measuring device 4, so that more test data can be obtained, and in use, when the position of the temperature measuring device 4 needs to be changed, the positioning bolt 407 is loosened, then the position of the sliding block 401 is moved through the operation plate 406, after being moved to a suitable position, the position of the sliding block 401 is fixed by rotating the positioning bolt 407 again, then the bearing plate 2 is inserted into the frame component 1, and during insertion, the push plate 404 is pressed, so that the return spring 403 is compressed, and the temperature measuring probe 402 contacts the bearing plate 2.

[0028] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0029] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. A fixture for universal tensile test of brake pads, characterized in that: The utility model provides a kind of brake pad, including frame component (1), the side wall of the frame component (1) is fixed with pull-pressing plate (101), the pull-pressing plate (101) is equipped with assembly hole, the inner wall of the frame component (1) is equipped with bearing plate (2) away from the pull-pressing plate (101), the side wall of the bearing plate (2) is fixed with brake pad body (3) close to the pull-pressing plate (101), the other side of the bearing plate (2) is equipped with vertical partition (201), temperature measuring device (4) is equipped between the vertical partition (201), the bottom of the frame component (1) is fixed with supporting block (102), the supporting block (102) is below the bearing plate (2), and the top of the supporting block (102) is fixed with clamping strip (103), and the clamping strip (103) is below the brake pad body (3).

2. The fixture for universal tensile test of brake pad according to claim 1, wherein: The brake pad body (3) is fixed on the bearing plate (2) by bonding, welding or bolt connection, the brake pad body (3) includes a base plate component and an abrasive block disposed on the base plate component, and the clamping strip (103) is only below the base plate component.

3. The fixture for universal tensile test of brake pad according to claim 1, wherein: The top of the frame component (1) is provided with an exhaust cover (5), the side wall of the exhaust cover (5) is provided with an air inlet pipe (501), the bottom of the exhaust cover (5) is open, and the bottom of one side edge of the exhaust cover (5) extends downward to one side of the bearing plate (2).

4. The fixture for universal pull test of brake pad according to claim 3, wherein: The top edge of the frame component (1) is fixed with a fixed seat, the two sides of the exhaust cover (5) are fixed with ear plates (502), and the ear plates (502) are fixed with the fixed seat by fixed bolts (503).

5. The fixture of claim 1, wherein: The side wall of the vertical partition (201) is provided with a clamping groove, and the two sides of the bearing plate (2) are close to the inner wall of the frame component (1).

6. The fixture for universal pull test of brake pad according to claim 5, wherein: The temperature measuring device (4) includes a sliding block (401), a central hole is formed in the sliding block (401), a temperature measuring probe (402) is slidably connected in the central hole, and one end of the temperature measuring probe (402) is close to the outer wall of the bearing plate (2).

7. The fixture for universal pull test of brake pads according to claim 6, characterized in that: One side of the temperature measuring probe (402) is fixed with a return spring (403), one end of the return spring (403) is fixed with a push plate (404), the push plate (404) is fixed with a limiting column (405), one end of the limiting column (405) extends to the sliding block (401), a limiting hole is formed in the sliding block (401) corresponding to the limiting column (405), and one end of the limiting column (405) extends into the limiting hole.

8. The fixture for universal pull test of brake pads according to claim 7, characterized in that: The top of the sliding block (401) is fixed with an operation plate (406), the operation plate (406) is provided with an operation hole, a positioning bolt (407) is installed in the operation hole by screwing, one end of the positioning bolt (407) abuts against the side wall of the bearing plate (2), and the height of the return spring (403) is greater than the distance from one end of the temperature measuring probe (402) to the side wall of the bearing plate (2).

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