CN110779823A - Tool for detecting wear life of automobile brake pad - Google Patents
Tool for detecting wear life of automobile brake pad Download PDFInfo
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- CN110779823A CN110779823A CN201911079569.0A CN201911079569A CN110779823A CN 110779823 A CN110779823 A CN 110779823A CN 201911079569 A CN201911079569 A CN 201911079569A CN 110779823 A CN110779823 A CN 110779823A
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- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 3
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 25
- 238000005299 abrasion Methods 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004904 shortening Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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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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- 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
- 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
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording means
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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
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0641—Indicating or recording means; Sensing means using optical, X-ray, ultraviolet, infrared or similar detectors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
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- Health & Medical Sciences (AREA)
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Braking Arrangements (AREA)
Abstract
The invention relates to the technical field of automobile accessories, in particular to a tool for detecting the abrasion life of an automobile brake pad, which comprises a base, wherein a pair of distance adjusting devices are symmetrically arranged on the base, each distance adjusting device comprises a first guide rail seat fixedly arranged on the base through a bolt, a first moving seat is slidably arranged on the first guide rail seat, and a screw rod motor is fixedly arranged on the first guide rail seat through a bolt. The beneficial effects are that: the device can effectively utilize the inertia wheel to simulate the working state of the brake pad when in use, thereby replacing the wear life of the brake pad tested by an actual vehicle, shortening the testing time and simplifying the testing process, thereby improving the testing efficiency; the device uses the simple operation, and the position that not only can be quick utilizes the lead screw motor to adjust the brake block changes with the state of brake block elasticity when simulating normal brake, can come quick the wearing and tearing volume of acquireing the brake block through grating chi and reference block immediately after the test moreover.
Description
Technical Field
The invention relates to the technical field of automobile parts, in particular to a tool for detecting the abrasion life of an automobile brake pad.
Background
The automobile brake block is an important component of an automobile brake system, and kinetic energy of a vehicle can be rapidly converted into heat energy by friction force through friction between the brake block and an automobile brake disc, so that the vehicle can be stopped. Because the surface of the brake pad is quickly abraded in the friction process, the brake pad needs to be replaced when the surface is abraded to a certain degree, otherwise, the brake pad is failed, the braking force is reduced, and the potential safety hazard is caused.
The friction performance of the brake pads of different models is different, and in order to ensure the safe driving of the automobile, the service life of the brake pads needs to be prolonged for the automobile, so that the maintenance period of the brake pads is determined, and the like. Because the effective life of the brake pad is generally more than forty thousand kilometers, if the brake pad is installed on a vehicle for measurement, the time of several months is needed, the measurement period of the brake pad is not favorably shortened, and part of the brake pad is special in structure, and the test vehicle needs to be selected, so that the test procedure is complicated, and the test cost is high.
If the novel universal detection device for the vehicle can be used for rapidly detecting the service life of the brake pad, the problems can be effectively solved, and a tool for detecting the wear life of the automobile brake pad is provided for the purpose.
Disclosure of Invention
The invention aims to provide a tool for detecting the abrasion service life of an automobile brake pad, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a tool for detecting the wear life of an automobile brake pad comprises a base, wherein a pair of distance adjusting devices are symmetrically arranged on the base, each distance adjusting device comprises a first guide rail seat fixedly installed on the base through a bolt, a first moving seat is slidably installed on each first guide rail seat, a lead screw motor is fixedly installed on each first guide rail seat through a bolt, and the output end of each lead screw motor drives the first moving seat to move along the corresponding first guide rail seat through a lead screw;
the first moving seat is fixedly provided with a supporting arm through a bolt, the tail end of the supporting arm is fixedly provided with a lower clamping plate through a bolt, the lower clamping plate is fixedly provided with a lifting push rod through a bolt, the output end of the lifting push rod drives an upper clamping plate, a connecting seat is clamped between the upper clamping plate and the lower clamping plate, the front end of the connecting seat is connected with a brake pad through a fixed rod, and a pressure sensor is arranged between the brake pad and the connecting seat;
a second guide rail seat is fixedly arranged on the base at the position corresponding to the middle of the two distance adjusting devices through bolts, a second moving seat is slidably arranged on the second guide rail seat, a second telescopic push rod is fixedly arranged at the lower end of the base through bolts, the output end of the second telescopic push rod drives the second moving seat, a reference block is fixedly arranged at the front end of the second moving seat through bolts, an inertia wheel corresponding to the position of the brake pad is fixedly arranged in the middle of the second moving seat through a bearing, a driving motor and a speed reducer are fixedly arranged on the second moving seat through bolts, the output end of the driving motor drives the input end of the speed reducer, and the output end of the speed reducer drives the inertia wheel through a toothed belt;
go up through bolt fixed mounting on the clamp plate and have first flexible push rod, and the end drive of first flexible push rod has the air jet system who corresponds with the brake block position, install the air jet system who corresponds with the flywheel position on the second removal seat, the front end of base has fan and controller through bolt fixed mounting, and the output of fan and air jet system's input intercommunication, the mounting panel has the grating chi between first guide rail seat and the first removal seat, and the controller passes through wire difference electric connection fan, lead screw motor, first flexible push rod, lifting push rod, the flexible push rod of second, driving motor, pressure sensor and grating chi.
Preferably, the connecting seat is provided with a pair of positioning holes, and the upper clamping plate is integrally formed with positioning columns which are matched, positioned and inserted with the positioning holes in the connecting seat.
Preferably, the air jet system includes the fixing base that passes through the bolt fastening with the output of first telescopic push rod or second removal seat, and the top of fixing base is passed through the intake pipe and is connected with the output of fan, the intercommunication intake pipe is installed to the lower extreme of fixing base and is corresponded jet-propelled air nozzle with brake block or flywheel.
Preferably, the dead lever includes the connecting rod with connecting seat and brake block series connection, and the terminal spiro union of connecting rod installs fastening nut, be provided with between fastening nut and the connecting seat and be used for fixing the taut extrusion spring on the connecting seat of brake block.
Preferably, the controller is an S7-200 type PLC device, and the first telescopic push rod, the second telescopic push rod and the lifting push rod are single-rod double-acting hydraulic rods.
Compared with the prior art, the invention has the beneficial effects that:
1. the device can effectively utilize the inertia wheel to simulate the working state of the brake pad when in use, thereby replacing the wear life of the brake pad tested by an actual vehicle, shortening the testing time and simplifying the testing process, thereby improving the testing efficiency;
2. the device uses the simple operation, and the position that not only can be quick utilizes the lead screw motor to adjust the brake block changes with the state of brake block elasticity when simulating normal brake, can come quick the wearing and tearing volume of acquireing the brake block through grating chi and reference block immediately after the test moreover to the device is applicable to the life-span detection of various brake blocks, has good commonality.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the structure of the present invention;
FIG. 3 is a schematic structural view of a pitch adjusting device;
fig. 4 is a schematic view of the structure of the flywheel.
In the figure: 1. a base; 2. a controller; 3. a fan; 4. an air injection device; 401. a fixed seat; 402. an air inlet pipe; 403. an air nozzle; 5. a distance adjusting device; 501. a screw motor; 502. a first guide rail seat; 503. A first movable base; 504. a support arm; 6. fixing the rod; 601. a connecting rod; 602. a compression spring; 603. Fastening a nut; 7. a first telescopic push rod; 8. an upper clamping plate; 9. lifting the push rod; 10. a second rail seat; 11. a second movable base; 12. a second telescopic push rod; 13. a speed reducer; 14. a drive motor; 15. An inertia wheel; 16. a reference block; 17. a connecting seat; 18. a pressure sensor; 19. a brake pad; 20. a grating scale; 21. and a lower clamping plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art without creative efforts based on the technical solutions of the present invention belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: a tool for detecting the wear life of an automobile brake pad comprises a base 1, wherein a pair of distance adjusting devices 5 are symmetrically arranged on the base 1, each distance adjusting device 5 comprises a first guide rail seat 502 fixedly installed on the base 1 through a bolt, a first moving seat 503 is slidably installed on each first guide rail seat 502, a lead screw motor 501 is fixedly installed on each first guide rail seat 502 through a bolt, and the output end of each lead screw motor 501 drives the first moving seat 503 to move along the corresponding first guide rail seat 502 through a lead screw;
a support arm 504 is fixedly arranged on the first movable seat 503 through a bolt, a lower clamping plate 21 is fixedly arranged at the tail end of the support arm 504 through a bolt, a lifting push rod 9 is fixedly arranged on the lower clamping plate 21 through a bolt, an upper clamping plate 8 is driven by the output end of the lifting push rod 9, a connecting seat 17 is clamped and arranged between the upper clamping plate 8 and the lower clamping plate 21, a brake pad 19 is connected to the front end of the connecting seat 17 through a fixing rod 6, a pair of positioning holes are formed in the connecting seat 17, a positioning column matched with the positioning holes in the connecting seat 17 for positioning and inserting is integrally formed in the upper clamping plate 8, the fixing rod 6 comprises a connecting rod 601 connecting the connecting seat 17 and the brake pad 19 in series, a fastening nut 603 is screwed at the tail end of the connecting rod 601, an extrusion spring 602 used for tensioning and fixing the brake pad 19 on the connecting seat 17 is arranged between;
a second guide rail seat 10 is fixedly arranged on the base 1 at the middle position corresponding to the two distance adjusting devices 5 through bolts, a second moving seat 11 is slidably arranged on the second guide rail seat 10, a second telescopic push rod 12 is fixedly arranged at the lower end of the base 1 through bolts, the output end of the second telescopic push rod 12 drives the second moving seat 11,
a reference block 16 is fixedly installed at the front end of the second movable seat 11 through a bolt, an inertia wheel 15 corresponding to a brake pad 19 in position is fixedly installed in the middle of the second movable seat 11 through a bearing, a driving motor 14 and a speed reducer 13 are fixedly installed on the second movable seat 11 through bolts, the output end of the driving motor 14 drives the input end of the speed reducer 13, and the output end of the speed reducer 13 drives the inertia wheel 15 through a toothed belt;
a first telescopic push rod 7 is fixedly arranged on the upper clamping plate 8 through a bolt, the tail end of the first telescopic push rod 7 is driven by an air injection device 4 corresponding to the position of a brake pad 19, the second movable seat 11 is provided with the air injection device 4 corresponding to the position of an inertia wheel 15, the front end of the base 1 is fixedly provided with a fan 3 and a controller 2 through a bolt, the output end of the fan 3 is communicated with the input end of the air injection device 4, a grating ruler 20 is arranged between the first guide rail seat 502 and the first movable seat 503, the controller 2 is respectively and electrically connected with the fan 3, a lead screw motor 501, the first telescopic push rod 7 and a lifting push rod 9 through leads, the controller 2 is an S7-200 PLC device, and the first telescopic push rod 7, the second telescopic push rod 12 and the lifting push rod 9 are single-rod double-acting hydraulic rods;
the air injection device 4 comprises a fixed seat 401 fixed with the output end of the first telescopic push rod 7 or the second movable seat 11 through a bolt, the upper part of the fixed seat 401 is connected with the output end of the fan 3 through an air inlet pipe 402, and an air nozzle 403 communicated with the air inlet pipe 402 and corresponding to the brake pad 19 or the inertia wheel 15 is installed at the lower end of the fixed seat 401.
The working principle is as follows: the device can be used for simulating the brake condition of the brake pad in the running process of the vehicle, so that the normal service life of the brake pad 19 can be calculated. Firstly, a special connecting seat 17 for butt joint is adopted to be matched with a fixing rod 6 for fixing according to the type of a brake pad 19 to be tested, a connecting hole matched with a screw hole in the brake pad 19 is formed in the connecting seat 17, the fixing rod 6 is used for pressing the brake pad on the connecting seat 17, a pressure sensor 18 is further arranged between the connecting seat 17 and the brake pad 19 and used for detecting the stress state of the brake pad in the testing process, so that the tightness of the brake pad 19 clamped on an inertia wheel 15 can be conveniently adjusted to simulate the change of the brake tightness in the actual driving process, and the pretightening force brought to the brake pad 19 by the fixing rod can be subjected to zero clearing treatment in subsequent calculation. In the test process, the distance adjusting device 5 on one side can drive the brake pad 19 on one side to be attached to the inertia wheel 15 for testing, or the distance adjusting devices 5 on two sides can drive the brake pads 19 on one side to be attached to the inertia wheel 15 for testing, and the brake pads 19 on two sides are adjusted in the same process. When the device is used for the first time, the working reference position L0 is set firstly, and the working reference position L0 is a system return point of the brake pad 19 in a non-test state when the brake pad 19 is tested subsequently. In the test preparation stage, the lead screw motor 501 drives the first movable base 503 to move toward the middle, so that the brake pads 19 are clamped inwards from the working reference position L0, so that the brake pad 19 is stopped after being clamped on the reference block 16 to a designated reference pressure value, at which the position L1 is measured by the grating ruler 20, the position L1 is a reference point for subsequently measuring the wear condition of the brake pad 19, and then the second movable seat 11 is pushed by the second telescopic push rod 12, the inertia wheel 15 and the brake pad 19 are in an aligned position, at this time, the screw motor 501 is used again to drive the brake pad 19 to be attached to the inertia wheel 15 to reach a specified maximum test pressure value, then the brake pad is retreated to enable the pressure value to be reduced to a specified minimum test pressure value, then the position L2 is recorded, then the position L3 is recorded, and then the brake pad 19 is retreated to a working reference position L0 to complete preparation work. The reference pressure value is a preset pressure value for measuring the abrasion, and is set mainly according to experience, and the abrasion thickness is determined by the change of the position reaching the pressure relative to the L1 position during subsequent abrasion measurement; the maximum test pressure value is used for simulating the pressure value applied to the brake disc when the brake pad 19 reaches the maximum braking force in the automobile braking process; the minimum test pressure value is used to simulate the pressure value to the brake disc when the brake pads 19 can apply the minimum effective braking force to the brake disc during the braking process of the automobile. The test is carried out, firstly the inertia wheel 15 is accelerated to a designated rotating speed by the driving motor 14, then the brake block 19 is adjusted to be in the middle range of L2 and L3 by the lead screw motor 501, the specific position of the brake block 19 between L2 and L3 is changed at any time by the lead screw motor 501 through a program built in the controller 2 to simulate the clamping state of the brake block 19 in the automobile braking process, after the speed of the inertia wheel 15 is reduced to zero, the brake block 19 returns to a point L0 to complete a simulation, at the moment, the brake block 19 and the inertia wheel 15 are rapidly cooled by the fan 3 and the air injection device 4, the next simulation is carried out after the cooling is completed, the test of one period is counted to be completed after the preset simulation times, the abrasion condition of the brake block 19 is measured after the test of the period is completed, during the test, the new position L11 is recorded by extruding the brake block 19 onto the reference pressure block 16 to reach the reference pressure value, the distance between the positions of L11 and L1 is the abrasion loss of the brake pad at the moment, whether the abrasion loss at the moment reaches the rejection standard of the brake pad 19 or not is checked, if the abrasion loss at the moment reaches the rejection standard, the detection is stopped, the service life of the brake pad 19 is calculated according to the recorded data such as the number of times of simulation, and if the abrasion loss does not reach the rejection standard, the positions of L2 and L3 are reset according to the existing abrasion loss, and then the test of the next period is carried out. The device can effectively replace the abrasion life of the automobile to the brake pad 19, thereby saving the detection time of the abrasion life, facilitating the subsequent research work and having very high practical value.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an automobile brake block wear life detects uses instrument, includes base (1), its characterized in that: the automatic distance adjusting device is characterized in that a pair of distance adjusting devices (5) are symmetrically installed on the base (1), each distance adjusting device (5) comprises a first guide rail seat (502) fixedly installed on the base (1) through a bolt, a first moving seat (503) is installed on each first guide rail seat (502) in a sliding mode, a lead screw motor (501) is fixedly installed on each first guide rail seat (502) through a bolt, and the output end of each lead screw motor (501) drives the first moving seat (503) to move along the corresponding first guide rail seat (502) through a lead screw;
the first movable seat (503) is fixedly provided with a supporting arm (504) through a bolt, the tail end of the supporting arm (504) is fixedly provided with a lower clamping plate (21) through a bolt, the lower clamping plate (21) is fixedly provided with a lifting push rod (9) through a bolt, the output end of the lifting push rod (9) drives an upper clamping plate (8), a connecting seat (17) is clamped between the upper clamping plate (8) and the lower clamping plate (21), the front end of the connecting seat (17) is connected with a brake pad (19) through a fixing rod (6), and a pressure sensor (18) is arranged between the brake pad (19) and the connecting seat (17);
a second guide rail seat (10) is fixedly arranged on the base (1) at the middle position corresponding to the two distance adjusting devices (5) through bolts, a second movable seat (11) is slidably arranged on the second guide rail seat (10), a second telescopic push rod (12) is fixedly arranged at the lower end of the base (1) through a bolt, the output end of the second telescopic push rod (12) drives the second movable seat (11), the front end of the second movable seat (11) is fixedly provided with a reference block (16) through a bolt, and an inertia wheel (15) corresponding to the brake pad (19) is fixedly arranged in the middle of the second movable seat (11) through a bearing, a driving motor (14) and a speed reducer (13) are fixedly arranged on the second movable seat (11) through bolts, and the output end of the driving motor (14) drives the input end of the speed reducer (13), the output end of the speed reducer (13) drives an inertia wheel (15) through a toothed belt;
a first telescopic push rod (7) is fixedly arranged on the upper clamping plate (8) through a bolt, and the tail end of the first telescopic push rod (7) is driven with an air injection device (4) corresponding to the position of the brake pad (19), the second movable seat (11) is provided with an air injection device (4) corresponding to the position of the inertia wheel (15), the front end of the base (1) is fixedly provided with a fan (3) and a controller (2) through bolts, and the output end of the fan (3) is communicated with the input end of the air injection device (4), a grating ruler (20) is arranged between the first guide rail seat (502) and the first movable seat (503), and the controller (2) is respectively and electrically connected with the fan (3), the screw motor (501), the first telescopic push rod (7), the lifting push rod (9), the second telescopic push rod (12), the driving motor (14), the pressure sensor (18) and the grating ruler (20) through leads.
2. The tool for detecting the wear life of the automobile brake pad according to claim 1, wherein: a pair of positioning holes is formed in the connecting seat (17), and positioning columns matched with the positioning holes in the connecting seat (17) in a positioning and inserting mode are integrally formed in the upper clamping plate (8).
3. The tool for detecting the wear life of the automobile brake pad according to claim 1, wherein: air jet system (4) include with output or second of first telescopic push rod (7) remove seat (11) through bolted fixation's fixing base (401), and the top of fixing base (401) is passed through intake pipe (402) and is connected with the output of fan (3), intercommunication intake pipe (402) and correspond jet-propelled air nozzle (403) with brake block (19) or flywheel (15) are installed to the lower extreme of fixing base (401).
4. The tool for detecting the wear life of the automobile brake pad according to claim 1, wherein: the dead lever (6) is including connecting rod (601) with connecting seat (17) and brake block (19) series connection, and fastening nut (603) are installed to the terminal spiro union of connecting rod (601), be provided with between fastening nut (603) and connecting seat (17) and be used for fixing extrusion spring (602) on connecting seat (17) with brake block (19) take-up.
5. The tool for detecting the wear life of the automobile brake pad according to claim 1, wherein: the controller (2) is an S7-200 type PLC device, and the first telescopic push rod (7), the second telescopic push rod (12) and the lifting push rod (9) are single-rod double-acting hydraulic rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911079569.0A CN110779823B (en) | 2019-11-07 | 2019-11-07 | Tool for detecting wear life of automobile brake pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911079569.0A CN110779823B (en) | 2019-11-07 | 2019-11-07 | Tool for detecting wear life of automobile brake pad |
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| CN110779823A true CN110779823A (en) | 2020-02-11 |
| CN110779823B CN110779823B (en) | 2020-08-14 |
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| CN201911079569.0A Active CN110779823B (en) | 2019-11-07 | 2019-11-07 | Tool for detecting wear life of automobile brake pad |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113310831A (en) * | 2021-04-27 | 2021-08-27 | 姜素珍 | Wear-resisting check out test set of car brake block |
| CN114486595A (en) * | 2022-01-13 | 2022-05-13 | 黄山菲英汽车零部件有限公司 | Drum brake pad abrasion degree testing device suitable for different brake speeds |
| CN117268306A (en) * | 2023-11-23 | 2023-12-22 | 龙口市和义机械配件有限公司 | Instant brake disc detection structure |
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| 李凤芹: "刹车片摩擦性能试验机的设计", 《工程与试验》 * |
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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 |
| CN113310831A (en) * | 2021-04-27 | 2021-08-27 | 姜素珍 | Wear-resisting check out test set of car brake block |
| CN113310831B (en) * | 2021-04-27 | 2024-06-04 | 湖南耀隆科技有限公司 | Wear-resisting check out test set of car brake block |
| CN114486595A (en) * | 2022-01-13 | 2022-05-13 | 黄山菲英汽车零部件有限公司 | Drum brake pad abrasion degree testing device suitable for different brake speeds |
| CN114486595B (en) * | 2022-01-13 | 2024-06-04 | 黄山菲英汽车零部件有限公司 | Drum brake piece wear degree testing arrangement suitable for different braking speeds |
| CN117268306A (en) * | 2023-11-23 | 2023-12-22 | 龙口市和义机械配件有限公司 | Instant brake disc detection structure |
| CN117268306B (en) * | 2023-11-23 | 2024-02-23 | 龙口市和义机械配件有限公司 | Instant brake disc detection structure |
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