CN118776841B - Brake pad performance testing equipment - Google Patents
Brake pad performance testing equipment Download PDFInfo
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- CN118776841B CN118776841B CN202410852676.7A CN202410852676A CN118776841B CN 118776841 B CN118776841 B CN 118776841B CN 202410852676 A CN202410852676 A CN 202410852676A CN 118776841 B CN118776841 B CN 118776841B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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Abstract
The invention relates to the technical field of detection equipment, in particular to brake pad performance detection equipment, which comprises a detection table and a fixed plate, wherein the fixed plate is fixedly arranged on the upper surface of the detection table, a brake simulation assembly is arranged on the fixed plate, the brake simulation assembly comprises a bidirectional hydraulic cylinder, the bidirectional hydraulic cylinder is fixedly arranged in the fixed plate, a power frame is fixedly arranged on an output shaft of the bidirectional hydraulic cylinder, and the brake pad performance detection equipment can enable a brake disc not to be interfered by internal resistance of a servo motor in the test process through the brake simulation assembly, so that the accuracy of brake data of the brake pad is improved, and the brake data of the brake pad under three different vehicle conditions, namely the brake performance of the brake pad under high temperature, the brake performance of the brake pad under splashing water and the brake performance of the brake pad under high temperature and splashing conditions can be tested more comprehensively.
Description
Technical Field
The invention relates to the technical field of detection equipment, in particular to brake pad performance detection equipment.
Background
The brake pad is also called a brake pad, and is the most critical safety part in a brake system of an automobile, the brake pad is generally composed of a steel plate, an adhesive heat insulation layer and a friction block, the steel plate is coated to prevent rust, the friction block is composed of friction materials and adhesives, and the friction block is extruded on a brake disc or a brake drum to generate friction during braking, so that the aim of decelerating and braking the automobile is achieved.
Because the friction effect, the friction block can be worn gradually, the lower the cost the faster the brake block is worn, so before the brake block is put into production in a formal new design, the friction loss test is required to be carried out on a brake block test sample so as to detect whether the wear loss performance of the brake block meets the standard, the traditional test mode is to provide the rotating speed for the brake disc through a motor, the speed sensor is utilized to simulate the speed of a vehicle, then the hydraulic cylinder is utilized to drive the brake block to extrude the brake disc, friction force is generated, and then the time for stopping the brake disc is timed by a timer, so that the performance of the brake block can be measured.
When the motor stops supplying power, even if the rotating part in the motor stops, the friction force of the internal mechanism can cause the motor to lose power, the rotating shaft still senses resistance, the resistance is called as 'static friction force', the existence of the resistance can influence the rotating speed of the brake disc, then the detection of the brake pad is influenced, and the detection data is not accurate enough.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides brake pad performance detection equipment, and solves the problems in the background art.
The brake pad performance detection equipment comprises a detection table and a fixed plate, wherein the fixed plate is fixedly arranged on the upper surface of the detection table, a brake simulation assembly is arranged on the fixed plate and comprises a bidirectional hydraulic cylinder, the bidirectional hydraulic cylinder is fixedly arranged in the fixed plate, a power frame is fixedly arranged on an output shaft of the bidirectional hydraulic cylinder, a heat conducting plate is fixedly arranged at one end, far away from the bidirectional hydraulic cylinder, of the power frame, heat conducting columns are fixedly arranged at two sides of the surface of the heat conducting plate, a brake pad is fixedly arranged at one end, far away from the heat conducting plate, of the heat conducting columns, a detection part is movably arranged on the outer surface of the heat conducting column, a fixing frame is fixedly arranged at the top of the detection part, and one end, far away from the detection part, of the fixing frame is fixedly connected to the top of the fixed plate;
The upper surface of the detection table is fixedly provided with an installation base body, a rotating shaft is movably installed in the installation base body, a brake disc is fixedly sleeved in the middle of the outer surface of the rotating shaft, one side of the installation base body is fixedly provided with a hydraulic rod, the output shaft of the hydraulic rod is fixedly provided with a driving plate, two sides of the driving plate are movably provided with driving arms, one end, far away from the driving plate, of each driving arm is movably provided with an installation plate, and the top of each installation plate is fixedly provided with a sliding block;
The surface of the sliding block is fixedly provided with a servo motor, an output shaft of the servo motor is fixedly provided with a driving disc, the edge of the surface of the driving disc is movably provided with a connecting rod, the outer surface of one end of the connecting rod, which is far away from the driving disc, is fixedly sleeved with a rubber sleeve, one end of the rotating shaft, which is close to the hydraulic rod, is fixedly provided with a driven disc, the edge of the surface of the driven disc is fixedly provided with a butt joint sleeve, and the rubber sleeve is movably arranged in the butt joint sleeve;
the upper surface of the detection table is fixedly provided with a mounting frame, and the mounting frame is movably connected with the middle part of the driving arm;
the heat conducting plate is provided with a vehicle condition simulation assembly, and the vehicle condition simulation assembly is used for improving testing accuracy.
Optionally, the vehicle condition simulation subassembly includes the heating wire, the inside at the heat-conducting plate is installed to the heating wire, the basin has been seted up to the upper surface of detecting the platform, the eccentric wheel has all been fixedly cup jointed to the both sides of pivot surface, the both sides of detecting the platform upper surface are all fixed mounting has the support column, the top fixed mounting of support column has first stopper, the surface cover of support column is equipped with the second reset spring, the surface movable mounting of support column has the casting die down, the top fixed mounting of casting die has the piece that splashes, the surface of the piece that splashes has seted up the hole that splashes.
Optionally, a detection component is arranged on the detection member, the detection component comprises a marking member, the marking member is fixedly arranged on one side of the detection member, which is close to the brake pad, a third reset spring is fixedly arranged in the detection member, one end, which is far away from the detection member, of the third reset spring is fixedly connected with a reset plate, and the reset plate is movably arranged in the detection member;
the surface fixed mounting of reset plate has first measuring part, first measuring part is in the inboard of third reset spring, and with detecting movable mounting between the piece, detecting the inside movable mounting of piece has the second measuring part.
Optionally, be provided with the survey subassembly on the test bench, survey even subassembly includes the standing groove, the standing groove is seted up on the surface of test bench, be provided with the die body in the standing groove, the inside movable mounting of die body has flexible post, the top fixed mounting of flexible post has the second stopper, the surface cover of flexible post is equipped with the elastic sleeve, the elastic sleeve is in one side of die body.
Optionally, the diameter of first stopper is greater than the diameter of support column, the bottom fixed connection of second reset spring is in the upper surface of detecting the platform, the top and the unloading piece fixed connection of second reset spring are in the same place.
Optionally, the water tank is located under the brake disc, two splash pieces are distributed on two sides of the brake disc, and the splash pieces are located on the inner side of the water tank.
Optionally, the shape of slider is T shape, slider movable mounting is in the inside of detecting the platform, the spout with slider looks adaptation has been seted up to the inside of detecting the platform.
Optionally, the surface cover of heat conduction post is equipped with first reset spring, the one end fixed connection of first reset spring is at the heat conduction board surface, the one end fixed connection that the heat conduction board was kept away from to first reset spring is at the surface of detecting the piece.
The invention provides brake pad performance detection equipment, which has the following beneficial effects:
1. This brake block performance check out test set through brake simulation subassembly, can make the brake disc not receive servo motor internal resistance interference in the test process, improves the accuracy nature of brake block braking data, cooperates the vehicle condition simulation subassembly, can test out the braking data of brake block under the three kinds of different vehicle conditions, namely the braking performance of brake block under the high temperature, the braking performance of brake block under the splash water, and the braking performance of brake block under the high temperature splash water condition, so can more comprehensive test brake block braking data under the different vehicle conditions, improves data comprehensiveness.
2. This brake block performance check out test set, through detecting assembly and survey even subassembly mutually supporting, when can test out normal brake and intermittent type formula brake, the loss and the deformation degree that the brake block received to can show its deformation position of department and wearing and tearing position, make things convenient for the tester to follow-up improvement brake block structure, optimize it, improve its braking effect.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic diagram of a brake simulation assembly of the present invention;
FIG. 3 is a schematic perspective exploded view of a brake simulating assembly of the present invention;
FIG. 4 is a schematic diagram of a brake simulation assembly of the present invention at a test site;
FIG. 5 is a schematic diagram of a vehicle condition simulation assembly according to the present invention;
FIG. 6 is a schematic diagram of a detection assembly according to the present invention;
FIG. 7 is a schematic view of a measuring assembly according to the present invention;
fig. 8 is a schematic perspective exploded view of a leveling assembly according to the present invention.
The device comprises a detection table, a detection plate, a fixing plate, a 2-way hydraulic cylinder, a 21-way power frame, a 22-way heat conducting plate, a 23-way heat conducting column, a 24-way brake block, a 25-way detection part, a 26-way fixing frame, a 27-way mounting base, a 28-way rotating shaft, a 29-way brake disc, a 210-way hydraulic rod, a 211-way driving plate, a 212-way driving plate, a 213-way mounting plate, a 214-way sliding block, a 215-way servo motor, a 216-way driving plate, a 217-way connecting rod, a 218-way rubber sleeve, 219-way driven plate, 220-way abutting sleeve, 221-way first return spring, 222-way mounting frame, 223-way sliding groove, 3-way heating wire, 31-way groove, 32-way eccentric wheel, 33-way supporting column, 34-way first limiting block, 35-way second return spring, 36-way pressing part, 37-way splash piece, 38-splash hole, 4-way marker part, 41-way first measuring part, 42-third return spring, 43-way driving plate, 44-way second measuring part, 5-way mounting groove, 51, a die body, 52-way expansion column, 53-way elastic sleeve and 54-way elastic sleeve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1 to 4, the invention provides a technical scheme that a brake pad performance detection device comprises a detection table 1 and a fixing plate 11, wherein the fixing plate 11 is fixedly arranged on the upper surface of the detection table 1, a brake simulation assembly is arranged on the fixing plate 11 and comprises a bidirectional hydraulic cylinder 2, the bidirectional hydraulic cylinder 2 is fixedly arranged in the fixing plate 11, a power frame 21 is fixedly arranged on an output shaft of the bidirectional hydraulic cylinder 2, one end of the power frame 21, which is far away from the bidirectional hydraulic cylinder 2, is fixedly provided with a heat conducting plate 22, both sides of the surface of the heat conducting plate 22 are fixedly provided with heat conducting columns 23, one end of the heat conducting columns 23, which is far away from the heat conducting plate 22, is fixedly provided with a brake pad 24, the outer surface of the heat conducting columns 23 is movably provided with a detection part 25, the top of the detection part 25 is fixedly provided with a fixing frame 26, and one end of the fixing frame 26, which is far away from the detection part 25, is fixedly connected to the top of the fixing plate 11;
The upper surface of the detection table 1 is fixedly provided with a mounting base body 27, a rotating shaft 28 is movably mounted in the mounting base body 27, a brake disc 29 is fixedly sleeved in the middle of the outer surface of the rotating shaft 28, one side of the mounting base body 27 is fixedly provided with a hydraulic rod 210, an output shaft of the hydraulic rod 210 is fixedly provided with a driving plate 211, both sides of the driving plate 211 are movably provided with driving arms 212, one end, far away from the driving plate 211, of each driving arm 212 is movably provided with a mounting plate 213, and the top of each mounting plate 213 is fixedly provided with a sliding block 214;
The surface of the sliding block 214 is fixedly provided with a servo motor 215, an output shaft of the servo motor 215 is fixedly provided with a driving disc 216, the edge of the surface of the driving disc 216 is movably provided with a connecting rod 217, the outer surface of one end of the connecting rod 217 far away from the driving disc 216 is fixedly sleeved with a rubber sleeve 218, one end of the rotating shaft 28 near the hydraulic rod 210 is fixedly provided with a driven disc 219, the edge of the surface of the driven disc 219 is fixedly provided with a butt joint sleeve 220, and the rubber sleeve 218 is movably arranged in the butt joint sleeve 220;
The upper surface of the detection table 1 is fixedly provided with a mounting frame 222, and the mounting frame 222 is movably connected with the middle part of the driving arm 212;
the shape of the sliding block 214 is T-shaped, the sliding block 214 is movably arranged in the detection table 1, and a sliding groove 223 matched with the sliding block 214 is formed in the detection table 1;
The outer surface of the heat conduction column 23 is sleeved with a first reset spring 221, one end of the first reset spring 221 is fixedly connected to the surface of the heat conduction plate 22, and one end of the first reset spring 221, which is far away from the heat conduction plate 22, is fixedly connected to the surface of the detection piece 25;
The heat-conducting plate 22 is provided with a vehicle condition simulation component for improving the test accuracy.
In the test process, the motor provides the rotating speed for the brake disc, when the motor stops supplying power, even if the rotating part in the motor stops, the friction force of the internal mechanism can cause the motor to lose power, the rotating shaft still senses resistance, the existence of the resistance can reduce the rotating speed of the rotating shaft 28, so that the brake disc 29 stops rotating earlier, and the test data is not accurate enough in the brake time test process;
Specifically, during testing, the driving disc 216 is driven to rotate by starting the servo motor 215, so that the driving disc 216 drives the connecting rod 217, the driven disc 219 can be driven by the connecting rod 217, the driven disc 219 rotates, the rotating shaft 28 can be driven by the driven disc 219 to rotate, the brake disc 29 rotates, the rotating speed of the servo motor 215 is controlled by the speed sensor, and when the rotating speed of the servo motor 215 reaches the test rotating speed, power failure of the servo motor 215 needs to be stopped;
then, the hydraulic rod 210 is started to drive the driving plate 211 to descend, so that the driving plate 211 presses down one end of the driving arm 212, the other end of the driving arm 212 moves outwards, the mounting plate 213 can be driven, the mounting plate 213 moves, the rubber sleeve 218 is separated from the butt joint sleeve 220, and the rotation of the rotating shaft 28 is not influenced by the internal resistance of the servo motor 215;
Then, the bidirectional hydraulic cylinder 2 is started to drive the power frame 21, so that the power frame 21 drives the heat conducting plate 22 to move, the heat conducting plate 22 is utilized to drive the heat conducting column 23, the heat conducting column 23 drives the brake pad 24 to brake the brake disc 29, and timing is carried out until the brake disc 29 stops rotating during braking, so that the braking effect of the brake pad 24 can be measured on the brake disc 29 without being influenced by the internal resistance of the servo motor 215, and the test data can be more accurate;
It should be noted that, before the test, it is noted that whether the rubber sleeve 218 is installed is checked, in the process of separating the connecting rod 217 from the docking sleeve 220, the rotation speed between the connecting rod 217 and the driven disc 219 will be different due to the internal resistance of the servo motor 215, at this time, interference between the connecting rod 217 and the docking sleeve 220 is easy to occur, deformation occurs when the connecting rod 217 interferes with the docking sleeve 220 due to the existence of the rubber sleeve 218, so that the interference between the connecting rod 217 and the docking sleeve 220 is avoided, and a buffer time is provided before the separation, so that the connecting rod 217 and the docking sleeve 220 can be smoothly separated, the influence of the friction force generated by the mutual interference between the connecting rod 217 and the docking sleeve 220 on the rotation speed of the brake disc 29 is avoided, and the accuracy of the test data is further improved.
Referring to fig. 1, 4 and 5, the vehicle condition simulation assembly includes an electric heating wire 3, the electric heating wire 3 is installed inside a heat conducting plate 22, a water tank 31 is provided on the upper surface of a detection table 1, eccentric wheels 32 are fixedly sleeved on both sides of the outer surface of a rotating shaft 28, support columns 33 are fixedly installed on both sides of the upper surface of the detection table 1, a first limiting block 34 is fixedly installed on the top of the support columns 33, a second reset spring 35 is sleeved on the outer surface of the support columns 33, a pressing piece 36 is movably installed on the outer surface of the support columns 33, a splash piece 37 is fixedly installed on the top of the pressing piece 36, and splash holes 38 are provided on the surface of the splash piece 37;
The diameter of the first limiting block 34 is larger than that of the supporting column 33, the bottom of the second reset spring 35 is fixedly connected to the upper surface of the detection table 1, and the top of the second reset spring 35 is fixedly connected with the hold-down piece 36;
The water tank 31 is located directly below the brake disc 29, two splash pieces 37 are distributed on both sides of the brake disc 29, and the splash pieces 37 are located inside the water tank 31.
During the vehicle form, different vehicle conditions will also have different effects on the braking effect of the brake pad 24, wherein the temperature rise of the brake pad 24 has an effect on the chemical properties of its materials;
In a rainy day, the rain water is sputtered onto the surface of the brake pad 24, so that the friction coefficient between the brake pad 24 and the brake disc 29 is reduced, and the water causes an oil film to be generated on the surface of the brake pad 24;
the brake pad 24 is sputtered by rainwater at high temperature, so that the heat load of the brake pad 24 is easily influenced, the brake pad is deformed, and the contact area with the brake disc 29 is reduced;
In summary, the brake effect of the brake pad 24 is affected by three common vehicle conditions, so that the test process can be divided into three different vehicle conditions for simulation test, namely, the brake performance of the brake pad 24 under high temperature, the brake performance of the brake pad 24 under splashing and the brake performance of the brake pad 24 under high temperature and splashing, so that the brake data of the brake pad 24 under different vehicle conditions can be tested more comprehensively, and the comprehensiveness of the test data is improved;
The water splashing mode is that water is injected into the water tank 31, the eccentric wheel 32 can be driven to rotate under the rotation of the rotating shaft 28, the pressing piece 36 can be driven by the eccentric wheel 32, the pressing piece 36 drives the water splashing piece 37 to move downwards, water is extruded, the water is splashed to the brake pad 24 upwards through the water splashing holes 38, the water splashing test can be achieved, the heating mode is that the heating wire 3 is heated, heat conduction is conducted to the brake pad 24 between the heat conducting plate 22 and the heat conducting column 23, the heating purpose is achieved, and the temperature is controlled through the temperature sensor.
Referring to fig. 1, 4 and 6, a detecting component is disposed on a detecting member 25, the detecting component includes a marking member 4, the marking member 4 is fixedly mounted on a side of the detecting member 25 close to a brake pad 24, a third return spring 42 is fixedly mounted in the detecting member 25, a return plate 43 is fixedly connected to one end of the third return spring 42 far away from the detecting member 25, and the return plate 43 is movably mounted in the detecting member 25;
The surface of the reset plate 43 is fixedly provided with a first measuring piece 41, the first measuring piece 41 is positioned on the inner side of the third reset spring 42 and is movably arranged between the first measuring piece 41 and the detecting piece 25, and the inside of the detecting piece 25 is movably provided with a second measuring piece 44.
In the test of the brake pad 24, in addition to the test of the braking effect thereof, the degree of wear resistance and deformation of the brake pad 24 after braking is also one of the tests;
On the basis of embodiment 2, after testing different vehicle conditions, firstly, coating clear pigment on the surface of the marking piece 4, and then, starting the bidirectional hydraulic cylinder 2 to drive the brake pad 24 to reset, so that the brake pad 24 is in the detection piece 25, and part of the brake pad 24 is in the detection piece 25 due to deformation, and part of the brake pad is exposed outside, and the exposed part of the brake pad is marked by the color on the surface of the marking piece 4, thus, a tester can conveniently observe the deformation position of the brake pad 24, and the structure of the brake pad is improved;
Further, when the brake pad 24 enters the detecting member 25, the brake pad will contact with the reset plate 43 first, and squeeze the reset plate 43, so that the first measuring member 41 moves out of the detecting member 25, at this time, the moving-out length of the first measuring member 41 is recorded, and then the second measuring member 44 is pulled, so that the second measuring member 44 measures the interval between the color mark of the brake pad 24 and the braking surface thereof, the interval is a deformation interval, the interval plus the length of the first measuring member 41 is the thickness of the brake pad 24 after testing, and the abrasion degree of the brake pad 24 can be obtained by comparing with the thickness of the brake pad 24 before testing, so that the test data is further refined, and the accuracy of the test data is improved.
In embodiment 4, referring to fig. 1, 7 and 8, a measuring component is disposed on a test table 1, the measuring component includes a placement groove 5, the placement groove 5 is disposed on a surface of the test table 1, a mold body 51 is disposed in the placement groove 5, a telescopic column 52 is movably mounted in the mold body 51, a second limiting block 53 is fixedly mounted on a top of the telescopic column 52, an elastic sleeve 54 is sleeved on an outer surface of the telescopic column 52, and the elastic sleeve 54 is disposed on one side of the mold body 51.
During braking of the brake pad 24, by being normal braking and intermittent braking, i.e. "spot braking", the "spot braking" may lead to uneven wear of the brake pad 24, because the contact time between the brake pad 24 and the brake disc 29 is short each time the brake is braked, which may form local wear points on the brake pad 24;
In the testing process, the bidirectional hydraulic cylinder 2 can be intermittently started, so that the brake pad 24 is intermittently contacted with the brake disc 29 until the brake disc 29 stops rotating, and thus the braking effect of the brake pad 24 in the process of 'point braking' can be measured, and compared with the embodiments 1-3, the 'point braking' is used for testing abrasion, and local abrasion points formed on the surface of the brake pad are required to be tested;
After the 'point brake' test, the die body 51 needs to be aligned with the brake pad 24, the telescopic column 52 is in surface contact with the brake pad 24, then the die body 51 is pressed, the telescopic column 52 is in tight contact with the brake pad 24, at the moment, the telescopic column 52 can go deep into the concave surface of the abrasion point, after the die body 51 is pressed tightly according to the position of the second limiting block 53, the second limiting block 53 is close to the die body 51, and the abrasion degree of the abrasion point can be observed through different positions of the second limiting block 53, so that a tester can know the material structure of the brake pad 24 conveniently and continuously improve the material structure conveniently.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The brake pad performance detection equipment comprises a detection table (1) and a fixed plate (11), wherein the fixed plate (11) is fixedly arranged on the upper surface of the detection table (1), and is characterized in that a brake simulation assembly is arranged on the fixed plate (11), the brake simulation assembly comprises a bidirectional hydraulic cylinder (2), the bidirectional hydraulic cylinder (2) is fixedly arranged in the fixed plate (11), a power frame (21) is fixedly arranged on an output shaft of the bidirectional hydraulic cylinder (2), a heat conducting plate (22) is fixedly arranged at one end, far away from the bidirectional hydraulic cylinder (2), of the power frame (21), heat conducting columns (23) are fixedly arranged at two sides of the surface of the heat conducting plate (22), a brake pad (24) is fixedly arranged at one end, far away from the heat conducting plate (22), of the heat conducting columns (23), a detection piece (25) is movably arranged on the outer surface of the heat conducting columns (23), a fixing frame (26) is fixedly arranged at the top of the detection piece (25), and one end, far away from the detection piece (25), of the fixing frame (26) is fixedly connected with the top of the fixed plate (11).
The detecting device is characterized in that an installation base body (27) is fixedly installed on the upper surface of the detecting table (1), a rotating shaft (28) is movably installed inside the installation base body (27), a brake disc (29) is fixedly sleeved in the middle of the outer surface of the rotating shaft (28), a hydraulic rod (210) is fixedly installed on one side of the installation base body (27), a driving plate (211) is fixedly installed on an output shaft of the hydraulic rod (210), driving arms (212) are movably installed on two sides of the driving plate (211), a mounting plate (213) is movably installed at one end, far away from the driving plate (211), of the driving arm (212), and a sliding block (214) is fixedly installed at the top of the mounting plate (213);
the sliding block (214) is T-shaped, the sliding block (214) is movably arranged in the detection table (1), and a sliding groove (223) matched with the sliding block (214) is formed in the detection table (1);
The surface of the sliding block (214) is fixedly provided with a servo motor (215), an output shaft of the servo motor (215) is fixedly provided with a driving disc (216), the edge of the surface of the driving disc (216) is movably provided with a connecting rod (217), the outer surface of one end of the connecting rod (217) far away from the driving disc (216) is fixedly sleeved with a rubber sleeve (218), one end of the rotating shaft (28) close to the hydraulic rod (210) is fixedly provided with a driven disc (219), the edge of the surface of the driven disc (219) is fixedly provided with a butt joint sleeve (220), and the rubber sleeve (218) is movably arranged inside the butt joint sleeve (220);
the upper surface of the detection table (1) is fixedly provided with a mounting frame (222), and the mounting frame (222) is movably connected with the middle position of the driving arm (212);
The heat conducting plate (22) is provided with a vehicle condition simulation assembly, and the vehicle condition simulation assembly is used for improving testing accuracy.
2. The brake pad performance detection device according to claim 1, wherein the vehicle condition simulation component comprises an electric heating wire (3), the electric heating wire (3) is installed inside a heat-conducting plate (22), a water tank (31) is arranged on the upper surface of the detection table (1), eccentric wheels (32) are fixedly sleeved on two sides of the outer surface of the rotating shaft (28), support columns (33) are fixedly installed on two sides of the upper surface of the detection table (1), a first limiting block (34) is fixedly installed on the top of each support column (33), a second reset spring (35) is sleeved on the outer surface of each support column (33), a pressing piece (36) is movably installed on the outer surface of each support column (33), a splash piece (37) is fixedly installed on the top of each pressing piece (36), and splash holes (38) are formed in the surface of each splash piece (37).
3. The brake pad performance detection device according to claim 2, wherein the detection member (25) is provided with a detection assembly, the detection assembly comprises a marking member (4), the marking member (4) is fixedly arranged on one side, close to the brake pad (24), of the detection member (25), a third reset spring (42) is fixedly arranged in the detection member (25), one end, far away from the detection member (25), of the third reset spring (42) is fixedly connected with a reset plate (43), and the reset plate (43) is movably arranged in the detection member (25);
The surface fixed mounting of reset plate (43) has first measuring part (41), first measuring part (41) are in the inboard of third reset spring (42), and with detecting part (25) between movable mounting, detecting part (25) inside movable mounting has second measuring part (44).
4. The brake pad performance detection device according to claim 3, wherein the detection table (1) is provided with a leveling component, the leveling component comprises a placing groove (5), the placing groove (5) is formed in the surface of the detection table (1), a die body (51) is arranged in the placing groove (5), a telescopic column (52) is movably arranged in the die body (51), a second limiting block (53) is fixedly arranged at the top of the telescopic column (52), an elastic sleeve (54) is sleeved on the outer surface of the telescopic column (52), and the elastic sleeve (54) is arranged on one side of the die body (51).
5. The brake pad performance detection device according to claim 4, wherein the diameter of the first limiting block (34) is larger than that of the supporting column (33), the bottom of the second return spring (35) is fixedly connected to the upper surface of the detection table (1), and the top of the second return spring (35) is fixedly connected with the pressing piece (36).
6. A brake pad performance detection apparatus according to claim 5, wherein the water tank (31) is located right under the brake disc (29), two splash pieces (37) are distributed on both sides of the brake disc (29), and the splash pieces (37) are located inside the water tank (31).
7. The brake pad performance detection device according to claim 6, wherein a first return spring (221) is sleeved on the outer surface of the heat conduction column (23), one end of the first return spring (221) is fixedly connected to the surface of the heat conduction plate (22), and one end of the first return spring (221) away from the heat conduction plate (22) is fixedly connected to the surface of the detection piece (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410852676.7A CN118776841B (en) | 2024-06-28 | 2024-06-28 | Brake pad performance testing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410852676.7A CN118776841B (en) | 2024-06-28 | 2024-06-28 | Brake pad performance testing equipment |
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| CN111879529A (en) * | 2020-08-11 | 2020-11-03 | 湖州爆米花信息科技有限公司 | Testing device for automobile accessory brake pad with environment simulation function |
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| CN111879529A (en) * | 2020-08-11 | 2020-11-03 | 湖州爆米花信息科技有限公司 | Testing device for automobile accessory brake pad with environment simulation function |
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