CN109142122A - It is a kind of for testing the experimental rig and its application method of brake block polishing machine - Google Patents
It is a kind of for testing the experimental rig and its application method of brake block polishing machine Download PDFInfo
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- CN109142122A CN109142122A CN201811201578.8A CN201811201578A CN109142122A CN 109142122 A CN109142122 A CN 109142122A CN 201811201578 A CN201811201578 A CN 201811201578A CN 109142122 A CN109142122 A CN 109142122A
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- brake block
- wheel hub
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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
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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Abstract
The invention discloses a kind of for testing the experimental rig of brake block polishing machine, including wheel hub, brake test table and control system, it further include station, station includes support system and function system, function system includes simulation terrestrial components and lifting device, it includes spacing collar, connecting rod, guide plate and threaded rod that terrestrial components, which are simulated, including simulation floor plate, fixing piece and regulating part, regulating part；The step of application method are as follows: 1) prepare before test, 2) test procedure；Present invention aims at the technical solution of a kind of experimental rig for testing brake block polishing machine and its application method is provided for deficiency of the prior art, device is simple in the present invention, application method is convenient, manufacturing cost is low, and various road conditions can be simulated, brake block can be tested out and use abrasion condition under the various road conditions and environment such as upward slope, descending and gentle road surface, to ensure that the accuracy of test result.
Description
Technical field
The present invention relates to brake block test equipment technical fields, and in particular to a kind of for testing brake block polishing machine
Experimental rig and its application method.
Background technique
Brake block is also brake rubber block, and in the brake system of automobile, brake block is the breaking piece of most critical, braking effect
Fine or not brake block play decisive role, so the brake block for agreeing is the patron saint of people and automobile.
The working principle of brake is mainly from friction, using the friction between brake block and brake disc and tire and ground,
The kinetic energy that vehicle is advanced is converted into the thermal energy after friction, to achieve the purpose that vehicle deceleration brakes.Due to rubbing action, stop
The friction block of vehicle on piece can gradually be worn, and the brake block degree of wear will affect the braking effect of automobile when higher, influence to drive a vehicle
Safety, therefore in order to guarantee traffic safety, each manufacturer need to carry out polishing machine test to the brake block of production, to ensure to stop
Vehicle piece is with good performance, but since the wear test period at present to brake block is long, situation is single, experimental data is not smart
Really, it cannot be guaranteed that the wear-resisting property of the brake block of factory.
Summary of the invention
It is a kind of for testing brake block abrasiveness present invention aims at being provided for deficiency of the prior art
Can experimental rig and its application method technical solution, the present invention in device it is simple, application method is convenient, and manufacturing cost is low,
And various road conditions can be simulated, brake block can be tested out under the various road conditions and environment such as upward slope, descending and gentle road surface
Use abrasion condition, to ensure that the accuracy of test result.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
It is a kind of for testing the experimental rig of brake block polishing machine, including wheel hub, brake test table and control system,
It is characterized in that: further including station, station includes support system and function system, and support system includes chassis and footing, bottom
The lower section on chassis is arranged in foot, and function system includes simulation terrestrial components and lifting device, and simulation terrestrial components include simulation ground
Panel, fixing piece and regulating part, regulating part include spacing collar, connecting rod, guide plate and threaded rod, are mounted at the top of connecting rod
The lower section of floor plate is simulated, connecting rod is each passed through fixing piece, spacing collar is provided in connecting rod, and spacing collar is located under chassis
Side, the lower section of connecting rod are fixedly connected with guide plate, and the other end of guide plate is fixedly connected with threaded rod, and threaded rod is filled by being promoted
Driving is set, regulating part is divided into front side regulating part and rear side regulating part, and brake test table includes brake system and power device, brake
System is mounted on chassis, and wheel hub is mounted in power device.
The rubbing action when setting of simulation floor plate reduces braking state between rubber tyre and ground, makes test can
It is carried out under tire and the double action of ground, wheel hub and brake block, brakes in the identical situation of the wheel hub speed of service, there is wheel
The friction on tire and ground can play the role of assisted deceleration, therefore the setting for simulating floor plate is more bonded reality, so that test
As a result more there is persuasion.
Brake test table is that wheels-locked testing provides the foundation power and basic brake structure, is that wheels-locked testing is able to carry out
Basic guarantee, station provide platform and Variable Factors for wheels-locked testing, and support system is used for the connection of various building blocks
Installation ensure that the stability that test carries out, and be to rely on the main support for playing the role of the present apparatus by support chassis of footing, function
Energy system can provide the surface conditions of different gradient for the present invention, be adjusted by the height of two groups of regulating parts, can make simulation ground
The inclination or smooth of different angle is presented in panel, and the present apparatus studies more multivariable, increases the full of test
Degree, makes test result have more convincingness, threaded rod is driven by lifting device, and lifting device generally selects small winch, elevator
Machine plays castering action to threaded rod, and it is motionless threaded rod to be fixed on certain.The moving upwards to have driven of threaded rod is led
It is moved upwards to the connecting rod of plate, to make to simulate the property that floor plate also has up and down motion, by adjusting front and back two groups
Regulating part, simulation floor plate can be presented hypsokinesis, lean forward or formation state, this simulates automobile and is going up a slope, on descending peace road
The case where when brake, increases the diversification of variable.
Further, fixing piece includes upper mounted plate and bottom plate, and upper mounted plate is mounted on the top on chassis, bottom plate
It is mounted on the lower section on chassis；The design of upper mounted plate and bottom plate increases the bonding strength on regulating part and chassis, ensure that
The structural stability of junction.
Further, mounting hole, the position phase of upper mounted plate and bottom plate are provided on upper mounted plate and bottom plate
Corresponding, connecting rod passes through mounting hole and is connected with fixing piece；Mounting hole facilitates connecting rod and simulates the connection of floor plate.
Further, spacing collar is located at the lower section of bottom plate, and the size of spacing collar is greater than the size of mounting hole；It can be according to setting
Meter size provide the length of connecting rod, and when connecting rod drives guide plate and connecting rod to move up, simulating floor plate also can be with
Connecting rod move up, when spacing collar reaches the position of mounting hole, the size of spacing collar is greater than the size of mounting hole, therefore
Spacing collar cannot continue to move up, and regulating part integrally reaches upward maximum displacement, make the up and down motion of simulation floor plate more
There are foundation and continuity.
Further, brake system includes brake block, caliper assembly and stand, and caliper assembly includes right arm and left arm, right arm
With detent frid is provided on left arm, brake block is mounted in detent frid, and side and the right arm and left arm of brake block are adopted
Use Stud connection；Caliper assembly is used to install brake block, while caliper assembly has locomotive function, and wheel hub accelerates or uniform rotation
During, using moving toward one another for caliper assembly, make brake block and wheel hub friction and Extrusion, make movement in hub reduction until
Stop, stand cooperates the installation of caliper assembly, makes the location matches above the position and wheel hub of caliper assembly, convenient for preferably behaviour
Make.
Further, right arm and left arm are separately connected on the piston rod, and piston rod is driven by the cylinder, and cylinder is mounted on stand
It is interior, it is fixed on chassis below stand；When drive system starting, the piston rod of two sides moves simultaneously, and piston rod can push away
Dynamic left arm and right arm are mobile to wheel hub direction simultaneously, and the brake block being mounted on left arm and right arm is made to squeeze wheel hub from two sides, and
By the rubbing action of brake block and wheel hub, the wheel hub of rotation is made to stop.
Further, power device includes that drive shaft, side stay plate and bottom plate, bottom plate are connected on chassis, and side stay plate is connected to
On bottom plate, the both ends of drive shaft are both connected on side stay plate, and wheel hub is fixedly mounted on the driving shaft；Drive shaft is by driver control
System, driver can be adjusted the revolving speed of drive shaft according to the different instruction of control system, and wheel hub is fixedly connected with drive shaft,
Wheel hub can be moved synchronously with drive shaft, and drive shaft provides power for the rotation of wheel hub, while also achieving to hub rotation speed
It adjusts, meets the needs of more test datas.
Using such as above-mentioned a kind of for testing the application method of the experimental rig of brake block polishing machine, it is characterised in that:
Include the following steps:
1) prepare before test:
(1) wheel hub is installed on the driving shaft first, and guarantees that wheel hub is fixedly connected with drive shaft, and wheel hub or so is no
It shakes；
(2) upper end of brake block is connected in detent frid again, and guarantees the side of brake block and the detent that is connected
Frid is close to, and is then fixed brake block with detent frid respectively with stud；
(3) finally adjust regulating part, the height for simulating floor plate made be in minimum point, guarantee rubber tyre not with simulate ground
Plate is in contact, and reexamines control system and driving device, it is ensured that each device is in normal operating condition.
2) test procedure:
(1) first according to the linear distance in test between two connecting rods, two groups of tune are arranged in operation control system respectively
Section part shifts up, and makes to simulate along 30 ° of same upward-inclination angle degree of hub rotation direction when floor plate is located at highest point, and general
The revolving speed of wheel hub is set as 80km/h, saves setting data；
(2) then start driver and drive shaft, be spaced 15~20s, after so that wheel hub is reached design speed and even running,
Start brake system and power device simultaneously, floor plate is simulated while starting brake system, at interval of 1000 above-mentioned steps
Suddenly the weight and minimum thickness of brake block of record repeats brake until brake block loses braking effect and reaches abrasion pole
Always brake number and brake block remaining weight and minimum thickness when limiting, while recording this off-test；
(3) wheel hub and brake block are re-replaced, simulation floor plate is adjusted to minimum point, according to two connecting rods in test it
Between linear distance, shifting up for two groups of regulating parts is arranged in operation control system respectively, makes to simulate floor plate and is located at highest point
When the angle that tilts down along hub rotation direction be 30 °, and set 80km/h for the revolving speed of wheel hub, save setting data,
And it completes to test according to step (2)；
(4) wheel hub and brake block are re-replaced, simulation floor plate is adjusted to minimum point, according to two connecting rods in test it
Between linear distance, shifting up for two groups of regulating parts is arranged in operation control system respectively, makes to simulate floor plate and is located at highest point
When along the tilt angle of hub rotation horizontal direction be 0 °, and set 100m/h for the revolving speed of wheel hub, save setting data, and
It completes to test according to step (2).
(5) according to demand selection simulation floor plate tilt angle parameter and wheel hub rotary speed parameter, and repeat step (1) and
(2)。
Further, the setting section of (2) step in step 2), hub rotation speed is 10~130km/h, simulates floor plate
Tilt angle section is -60 °~60 °；Revolving speed is higher, and brake more difficult, in this method revolving speed also bigger to the loss of brake block
Section is big, more enough abrasion conditions for embodying vehicle brake block under normal speed operation, while hub rotation speed is certain, adjustment simulation ground
The tilt angle of panel is able to reflect vehicle at upward slope, descending and gentle road surface and running gradient is to the loss feelings of brake block
Condition.
The present invention is by adopting the above-described technical solution, have the advantages that
In the present invention, the rubbing action when setting of floor plate reduces braking state between rubber tyre and ground is simulated,
It carry out test can under tire and the double action of ground, wheel hub and brake block, in the identical situation of the wheel hub speed of service
Lower brake has the friction on tire and ground that can play the role of assisted deceleration, therefore the setting for simulating floor plate is more bonded reality
Border, so that test result more has persuasion.Brake test table is that wheels-locked testing provides the foundation power and basic brake structure, is
The basic guarantee that wheels-locked testing is able to carry out, station provide platform and Variable Factors for wheels-locked testing, and support system is used for
The connection of various building blocks is installed, and ensure that the stability that test carries out, and is to rely on to play this dress by support chassis of footing
The main support effect set, function system can provide the surface conditions of different gradient for the present invention, pass through the height of two groups of regulating parts
Degree adjustment can make to simulate the inclination or smooth that different angle is presented in floor plate, the present apparatus grinds more multivariable
Study carefully, increase the plumpness of test, test result is made to have more convincingness, threaded rod is driven by lifting device, and lifting device is general
Small winch is selected, hoist engine plays castering action to threaded rod, and it is motionless threaded rod to be fixed on certain.Threaded rod
Move upwards moving upwards for the connecting rod for having driven guide plate, also have the property of up and down motion to make to simulate floor plate
Matter, by adjusting two groups of front and back regulating part, hypsokinesis can be presented, lean forward or formation state by simulating floor plate, this simulates automobile
The case where when going up a slope, braking on descending peace road, increase the diversification of variable；This application method can sufficiently realize each speed
Degree.
The technical side of the present invention provides a kind of experimental rig for testing brake block polishing machine and its application method
Case, the present invention in device it is simple, application method is convenient, and manufacturing cost is low, and can simulate various road conditions, can test out brake
Vehicle piece uses abrasion condition under the various road conditions and environment such as upward slope, descending and gentle road surface, to ensure that test result
Accuracy.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is that the present invention is a kind of for testing the structural schematic diagram of the experimental rig of brake block polishing machine；
Fig. 2 is when connecting rod is located at minimum point in the present invention and the connection schematic diagram of fixed plate；
Fig. 3 is the connection schematic diagram of brake system and power device in the present invention；
Fig. 4 is the position view of brake block and wheel hub when braking in the present invention；
Fig. 5 is when connecting rod is located at minimum point in the present invention and the connection schematic diagram of fixed plate；
Fig. 6 is the connection schematic diagram of present invention simulation terrestrial components and chassis；
Fig. 7 is the inclination schematic diagram of present invention simulation floor plate.
In figure: 1- wheel hub；2- brake test table；3- station；4- support system；5- side stay plate；The chassis 6-；7- footing；
8- simulates terrestrial components；9- bottom plate；10- simulates floor plate；11- brake system；12- regulating part；13- spacing collar；14- connection
Bar；15- guide plate；16- threaded rod；17- upper mounted plate；18- bottom plate；19- mounting hole；20- brake block；21- left arm；
22- stand；23- right arm；24- detent frid；25- stud；26- rubber tyre；27- piston rod；28- drive shaft.
Specific embodiment
As shown in Figures 1 to 7, in order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
It is a kind of for testing the experimental rig of brake block polishing machine, including wheel hub 1, brake test table 2 and control system,
It further include station 3, station 3 includes support system 4 and function system, and support system 4 includes chassis 6 and footing 7, footing 7
The lower section on chassis 6 is set, and function system includes simulation terrestrial components 8 and lifting device, and simulation terrestrial components 8 include simulation ground
Panel 10, fixing piece and regulating part 12, regulating part 12 include spacing collar 13, connecting rod 14, guide plate 15 and threaded rod 16, connection
The top of bar 14 is mounted on the lower section of simulation floor plate 10, and connecting rod 14 is each passed through fixing piece, is arranged in connecting rod 14 limited
Position circle 13, spacing collar 13 is located at the lower section on chassis 6, and the lower section of connecting rod 14 is fixedly connected with guide plate 15, guide plate 15 it is another
One end is fixedly connected with threaded rod 16, and threaded rod 16 is driven by lifting device, and regulating part 12 divides for front side regulating part and rear side tune
Part is saved, brake test table 2 includes brake system 11 and power device, and brake system 11 is mounted on chassis 6, and wheel hub 1 is mounted on
In power device.
The rubbing action when setting of simulation floor plate 10 reduces braking state between rubber tyre 26 and ground, makes to test
It can be carried out under tire and the double action on ground, wheel hub 1 and brake block 20, in the identical situation of 1 speed of service of wheel hub
Brake has the friction on tire and ground that can play the role of assisted deceleration, therefore the setting for simulating floor plate 10 is more bonded reality
Border, so that test result more has persuasion.
Brake test table 2 is that wheels-locked testing provides the foundation power and basic brake structure, is that wheels-locked testing is able to carry out
Basic guarantee, station 3 provides platform and Variable Factors for wheels-locked testing, and support system 4 is for various building blocks
Connection installation ensure that the stability that test carries out, and be support chassis 6 with footing 7 be that support plays the main support of the present apparatus
Effect, function system can provide the surface conditions of different gradient for the present invention, be adjusted by the height of two groups of regulating parts 12, can
Make to simulate the inclination or smooth that different angle is presented in floor plate 10, the present apparatus studies more multivariable, increases
The plumpness of test makes test result have more convincingness, and threaded rod 16 is driven by lifting device, and lifting device is generally selected small-sized
Hoist engine, hoist engine plays castering action to threaded rod 16, and it is motionless threaded rod 16 to be fixed on certain.Threaded rod 16
Moving upwards for the connecting rod 14 for having driven guide plate 15 is moved upwards, so that simulation floor plate 10 be made also to have up and down motion
Property, by adjusting two groups of front and back regulating part 12, hypsokinesis can be presented, lean forward or formation state by simulating floor plate 10, this simulation
The case where automobile is when going up a slope, braking on descending peace road, increases the diversification of variable.Fixing piece includes upper mounted plate 17
With bottom plate 18, upper mounted plate 17 is mounted on the top on chassis 6, and bottom plate 18 is mounted on the lower section on chassis 6；Upper mounted plate
17 and the design of bottom plate 18 increase the bonding strength of regulating part 12 Yu chassis 6, ensure that the structural stability of junction.
It is provided with mounting hole 19 on upper mounted plate 17 and bottom plate 18, the position of upper mounted plate 17 and bottom plate 18 is corresponding,
Connecting rod 14 passes through mounting hole 19 and is connected with fixing piece；Mounting hole 19 facilitates connecting rod 14 and simulates the company of floor plate 10
It connects.Spacing collar 13 is located at the lower section of bottom plate 18, and the size of spacing collar 13 is greater than the size of mounting hole 19；It can be according to design ruler
The length of very little regulation connecting rod 14 simulates floor plate 10 when connecting rod 14 drives guide plate 15 and connecting rod 14 to move up
Also connecting rod 14 can be followed to move up, when spacing collar 13 reaches the position of mounting hole 19, the size of spacing collar 13 is greater than peace
The size in hole 19 is filled, therefore spacing collar 13 cannot continue to move up, regulating part 12 is whole to reach upward maximum displacement, makes mould
The up and down motion of quasi- floor plate 10 more has foundation and continuity.Brake system 11 includes brake block 20, caliper assembly and stand 22,
Caliper assembly includes right arm 23 and left arm 21, and detent frid 24 is provided on right arm 23 and left arm 21, and brake block 20 is mounted on
In detent frid 24, the side of brake block 20 is all made of stud 25 with right arm 23 and left arm 21 and connect；Caliper assembly is used to install
Brake block 20, while there is caliper assembly locomotive function to utilize caliper assembly during the acceleration of wheel hub 1 or uniform rotation
It moves toward one another, makes brake block 20 and 1 friction and Extrusion of wheel hub, so that the wheel hub 1 in movement is slowed down until stopping, stand 22 cooperates clamp
The installation of component makes the location matches of 1 top of position and wheel hub of caliper assembly, convenient for preferably operation.Right arm 23 and left arm
21 are connected on piston rod 27, and piston rod 27 is driven by the cylinder, and cylinder is mounted in stand 22, and the lower section of stand 22 is fixed
On chassis 6；When drive system starting, the piston rod 27 of two sides moves simultaneously, and piston rod 27 can push left arm 21 and the right side
Arm 23 is mobile to 1 direction of wheel hub simultaneously, and the brake block 20 being mounted on left arm 21 and right arm 23 is made to squeeze wheel hub 1 from two sides, and
By the rubbing action of brake block 20 and wheel hub 1, the wheel hub 1 of rotation is made to stop.Power device includes drive shaft 28, side stay plate 5
With bottom plate 9, bottom plate 9 is connected on chassis 6, and side stay plate 5 is connected on bottom plate 9, and the both ends of drive shaft 28 are both connected to side stay plate 5
On, wheel hub 1 is fixedly mounted in drive shaft 28；For drive shaft 28 by driver control, driver can be according to the difference of control system
Instruction is adjusted the revolving speed of drive shaft 28, and wheel hub 1 is fixedly connected with drive shaft 28, and wheel hub 1 can do synchronous with drive shaft 28
Movement, drive shaft 28 provides power for the rotation of wheel hub 1, while also achieving the adjusting to 1 revolving speed of wheel hub, meets more tests
The demand of data.
It a kind of is walked for testing the application method of the experimental rig of brake block polishing machine, including as follows using such as above-mentioned
It is rapid:
1) prepare before test:
(1) wheel hub 1 is mounted in drive shaft 28 first, and guarantees that wheel hub 1 is fixedly connected with drive shaft 28, and wheel hub
1 or so does not shake；
(2) upper end of brake block 20 is connected in detent frid 24 again, and guarantee the side of brake block 20 be connected
Detent frid 24 be close to, it is then with stud 25 that brake block 20 is fixed with detent frid 24 respectively；
(3) finally adjust regulating part 12, the height for simulating floor plate 10 made be in minimum point, guarantee rubber tyre 26 not with mould
Quasi- floor plate 10 is in contact, and reexamines control system and driving device, it is ensured that each device is in normal operating condition.
2) test procedure:
(1) first according to the linear distance in test between two connecting rods 14, operation control system is arranged two groups respectively
Regulating part 12 shifts up, and makes simulation floor plate 10 when being located at highest point along the same upward-inclination angle degree of 1 rotation direction of wheel hub
30 °, and 80km/h is set by the revolving speed of wheel hub 1, save setting data；
(2) then starting driver and drive shaft 28,15~20s of interval make wheel hub 1 reach design speed and even running
Afterwards, while starting brake system 11 and power device, floor plate 10 is simulated while starting brake system 11, at interval of 1000
Secondary above-mentioned steps record the weight and minimum thickness of a brake block 20, repeat brake until brake block 20 loses braking effect
Fruit reaches the limit of wear, at the same while recording this off-test always brake number and 20 remaining weight of brake block and minimum it is thick
Degree；
(3) wheel hub 1 and brake block 20 are re-replaced, simulation floor plate 10 is adjusted to minimum point, according to two companies in test
Linear distance between extension bar 14, shifting up for two groups of regulating parts 12 is arranged in operation control system respectively, makes to simulate floor plate
10 angle that tilts down when being located at highest point along 1 rotation direction of wheel hub is 30 °, and sets 80km/h for the revolving speed of wheel hub 1,
Setting data are saved, and complete to test according to step (2)；
(4) wheel hub 1 and brake block 20 are re-replaced, simulation floor plate 10 is adjusted to minimum point, according to two companies in test
Linear distance between extension bar 14, shifting up for two groups of regulating parts 12 is arranged in operation control system respectively, makes to simulate floor plate
10 be 0 ° along the tilt angle that wheel hub 1 rotates horizontal direction when being located at highest point, and sets 100m/h for the revolving speed of wheel hub 1,
Setting data are saved, and complete to test according to step (2).
(5) rotary speed parameter of selection simulation floor plate 10 tilt angle parameter and wheel hub 1, and repetition step according to demand
(1) and (2).
Further, (2) step in step 2), the setting section of 1 revolving speed of wheel hub are 10~130km/h, simulate floor plate
10 tilt angle section is -60 °~60 °；Revolving speed is higher, more difficult, this method also bigger to the loss of brake block 20 of braking
Middle revolving speed section is big, more enough abrasion conditions for embodying vehicle brake block 20 under normal speed operation, while 1 revolving speed of wheel hub is certain,
The tilt angle of adjustment simulation floor plate 10, is able to reflect vehicle at upward slope, descending and gentle road surface and running gradient is to brake
The loss situation of vehicle piece 20.
The present invention is by adopting the above-described technical solution, have the advantages that
In the present invention, the friction when setting of simulation floor plate 10 reduces braking state between rubber tyre 26 and ground is made
With, carry out test can under tire and the double action on ground, wheel hub 1 and brake block 20, it is identical in 1 speed of service of wheel hub
In the case where brake, have the friction on tire and ground that can play the role of assisted deceleration, therefore simulate the setting of floor plate 10 more
It is practical to stick on conjunction, so that test result more has persuasion.Brake test table 2 be wheels-locked testing provide the foundation power and basis stop
Bassinet structure is the basic guarantee that wheels-locked testing is able to carry out, and station 3 provides platform and Variable Factors for wheels-locked testing, branch
Connection of the support system 4 for various building blocks is installed, and be ensure that the stability that test carries out, is that support chassis 6 is with footing 7
The main support for playing the role of the present apparatus is relied on, function system can provide the surface conditions of different gradient for the present invention, pass through two
The height adjustment of group regulating part 12 can make to simulate the inclination or smooth that different angle is presented in floor plate 10, enable the present apparatus
More multivariable is studied, the plumpness of test is increased, so that test result is had more convincingness, threaded rod 16 is by lifting device
Driving, lifting device generally select small winch, and hoist engine plays castering action to threaded rod 16, and can consolidate threaded rod 16
It is motionless to be scheduled on certain.Threaded rod 16 moves upwards moving upwards for the connecting rod 14 for having driven guide plate 15, to make mould
Quasi- floor plate 10 also has the property of up and down motion, and by adjusting two groups of front and back regulating part 12, simulating floor plate 10 can be presented
Hypsokinesis is leaned forward or formation state, this simulates the case where automobile is when going up a slope, braking on descending peace road, increases variable
Diversification；This application method can sufficiently realize each speed.
The technical side of the present invention provides a kind of experimental rig for testing brake block polishing machine and its application method
Case, the present invention in device it is simple, application method is convenient, and manufacturing cost is low, and can simulate various road conditions, can test out brake
Vehicle piece 20 uses abrasion condition under the various road conditions and environment such as upward slope, descending and gentle road surface, to ensure that test knot
The accuracy of fruit.
The above is only specific embodiments of the present invention, but technical characteristic of the invention is not limited thereto.It is any with this hair
Based on bright, to realize essentially identical technical effect, made ground simple change, equivalent replacement or modification etc. are all covered
Among protection scope of the present invention.
Claims (10)
1. it is a kind of for testing the experimental rig of brake block polishing machine, including wheel hub, brake test table and control system, it is special
Sign is: further including station, the station includes support system and function system, and the support system includes chassis and bottom
The lower section on the chassis is arranged in foot, the footing, and the function system includes simulation terrestrial components and lifting device, the mould
Quasi- terrestrial components include simulation floor plate, fixing piece and regulating part, the regulating part include spacing collar, connecting rod, guide plate and
Threaded rod, the lower section of the simulation floor plate is mounted at the top of the connecting rod, and the connecting rod is each passed through the fixation
Part is provided with the spacing collar in the connecting rod, and the spacing collar is located at the lower section on the chassis, the lower section of the connecting rod
It is fixedly connected with the guide plate, the other end of the guide plate is fixedly connected with the threaded rod, and the threaded rod is by described
Lifting device driving, the regulating part is divided into front side regulating part and rear side regulating part, the brake test table include brake system
And power device, the brake system are mounted on the chassis, the wheel hub is mounted in the power device.
2. a kind of for testing the experimental rig of brake block polishing machine according to claim 1, it is characterised in that: described solid
Determining part includes upper mounted plate and bottom plate, and fixed plate is mounted on the top on the chassis, the bottom plate installation
In the lower section on the chassis.
3. a kind of for testing the experimental rig of brake block polishing machine according to claim 2, it is characterised in that: on described
It is provided with mounting hole in fixed plate and the bottom plate, the position of fixed plate and the bottom plate is corresponding,
The connecting rod passes through the mounting hole and is connected with the fixing piece.
4. a kind of for testing the experimental rig of brake block polishing machine according to claim 2, it is characterised in that: the limit
Position circle is located at the lower section of the bottom plate, and the size of the spacing collar is greater than the size of the mounting hole.
5. a kind of for testing the experimental rig of brake block polishing machine according to claim 1, it is characterised in that: the brake
Vehicle system includes brake block, caliper assembly and stand, and the caliper assembly includes right arm and left arm, the right arm and the left arm
On be provided with detent frid, the brake block is mounted in the detent frid, the side of the brake block and the right arm
Stud connection is all made of with the left arm.
6. a kind of for testing the experimental rig of brake block polishing machine according to claim 5, it is characterised in that: the right side
Arm and the left arm are separately connected on the piston rod, and the piston rod is driven by the cylinder, and the cylinder is mounted in the stand,
It is fixed below the stand on the chassis.
7. a kind of for testing the experimental rig of brake block polishing machine according to claim 1, it is characterised in that: the wheel
The outer sheath of hub is equipped with rubber tyre, and the rubber tyre is fixedly connected with the wheel hub.
8. a kind of for testing the experimental rig of brake block polishing machine according to claim 1, it is characterised in that: described dynamic
Power device includes drive shaft, side stay plate and bottom plate, and the bottom plate is connected on the chassis, and the side stay plate is connected to the bottom
On plate, the both ends of the drive shaft are both connected on the side stay plate 5, and the wheel hub is fixedly mounted in the drive shaft.
9. it is according to claim 1 a kind of for testing the application method of the experimental rig of brake block polishing machine, it is special
Sign is: including the following steps:
1) prepare before test:
(1) wheel hub is installed on the driving shaft first, and guarantees that wheel hub is fixedly connected with drive shaft, and wheel hub or so does not shake
It is dynamic；
(2) upper end of brake block is connected in detent frid again, and guarantees the side of brake block and the detent frid that is connected
It is close to, is then fixed brake block with detent frid respectively with stud；
(3) finally adjust regulating part, the height for simulating floor plate made be in minimum point, guarantee rubber tyre not with simulate floor plate phase
Contact reexamines control system and driving device, it is ensured that each device is in normal operating condition.
2) test procedure:
(1) first according to the linear distance in test between two connecting rods, two groups of regulating parts are arranged in operation control system respectively
Shift up, make to simulate along 30 ° of same upward-inclination angle degree of hub rotation direction when floor plate is located at highest point, and by wheel hub
Revolving speed be set as 80km/h, save setting data；
(2) then start driver and drive shaft, be spaced 15~20s, after so that wheel hub is reached design speed and even running, simultaneously
Start brake system and power device, floor plate is simulated while starting brake system, remembers at interval of 1000 above-mentioned steps
The weight and minimum thickness of a brake block are recorded, brake is repeated up to brake block loses braking effect and reaches the limit of wear,
Always brake number and brake block remaining weight and minimum thickness when recording this off-test simultaneously；
(3) wheel hub and brake block are re-replaced, simulation floor plate is adjusted to minimum point, according in test between two connecting rods
Linear distance, shifting up for two groups of regulating parts is arranged in operation control system respectively, makes to simulate edge when floor plate is located at highest point
The angle that tilts down in hub rotation direction is 30 °, and sets 80km/h for the revolving speed of wheel hub, saves setting data, and press
It completes to test according to step (2)；
(4) wheel hub and brake block are re-replaced, simulation floor plate is adjusted to minimum point, according in test between two connecting rods
Linear distance, shifting up for two groups of regulating parts is arranged in operation control system respectively, makes to simulate edge when floor plate is located at highest point
The tilt angle of hub rotation horizontal direction is 0 °, and sets 100m/h for the revolving speed of wheel hub, saves and data are arranged, and according to
Step (2) completes test.
(5) rotary speed parameter of selection simulation floor plate tilt angle parameter and wheel hub, and repetition step (1) and (2) according to demand.
10. it is according to claim 9 a kind of for testing the application method of the experimental rig of brake block polishing machine, it is special
Sign is: (2) step in step 2), and the setting section of the hub rotation speed is 10~130km/h, the simulation floor plate
Tilt angle section is -60 °~60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811201578.8A CN109142122B (en) | 2018-10-16 | 2018-10-16 | Test device for testing wear performance of brake pad and use method thereof |
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| CN201811201578.8A CN109142122B (en) | 2018-10-16 | 2018-10-16 | Test device for testing wear performance of brake pad and use method thereof |
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| CN110146301A (en) * | 2019-04-17 | 2019-08-20 | 王治军 | A kind of test device for automobile fitting brake block |
| CN110411729A (en) * | 2019-08-07 | 2019-11-05 | 科大讯飞股份有限公司 | Brake block life forecast method and device |
| 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 |
| CN112683518A (en) * | 2021-01-23 | 2021-04-20 | 李言哄 | Debugging device for automobile part brake disc |
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| CN112683518A (en) * | 2021-01-23 | 2021-04-20 | 李言哄 | Debugging device for automobile part brake disc |
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| CN109142122B (en) | 2021-04-30 |
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Effective date of registration: 20190530 Address after: 312030 Yangxunqiao Town, Keqiao District, Shaoxing City, Zhejiang Province Applicant after: SHAOXING WISDOM AUTO PARTS Co.,Ltd. Address before: 312030 Yangxunqiao Town, Keqiao District, Shaoxing City, Zhejiang Province Applicant before: Wu Jianying |
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Denomination of invention: A test device for testing the wear performance of brake pads and method of using the same Effective date of registration: 20220803 Granted publication date: 20210430 Pledgee: Zhejiang Shaoxing Ruifeng Rural Commercial Bank Co.,Ltd. Yangxunqiao sub branch Pledgor: SHAOXING WISDOM AUTO PARTS Co.,Ltd. Registration number: Y2022980011916 |
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