CN107132060A - Tyre tread drainage experimental bench and experimental method - Google Patents
Tyre tread drainage experimental bench and experimental method Download PDFInfo
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- CN107132060A CN107132060A CN201710500733.5A CN201710500733A CN107132060A CN 107132060 A CN107132060 A CN 107132060A CN 201710500733 A CN201710500733 A CN 201710500733A CN 107132060 A CN107132060 A CN 107132060A
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- 238000002474 experimental method Methods 0.000 title abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 238000002347 injection Methods 0.000 claims abstract description 5
- 239000007924 injection Substances 0.000 claims abstract description 5
- 239000005337 ground glass Substances 0.000 claims description 21
- 239000011521 glass Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000012360 testing method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- 238000012827 research and development Methods 0.000 description 3
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 2
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 2
- 241001365789 Oenanthe crocata Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
Classifications
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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
- G01M17/02—Tyres
- G01M17/027—Tyres using light, e.g. infrared, ultraviolet or holographic techniques
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- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The invention discloses tyre tread drainage experimental bench and experimental method, including a underframe, revolution belting for simulated roadway is installed on described underframe, wheel hub is installed above described revolution belting, tire is installed on described wheel hub, and described wheel hub drives it to rotate by motor, and described motor is fixed by a cantilever；It is also equipped with that waterpipe jointing, air pipe interface and outlet pipe are installed on water receiver, described water receiver on described underframe；Waterpipe jointing taps into water pipe, and air pipe interface connects air pump, the periphery of the delivery port of outlet pipe just to tire；When water is certain in water receiver, the output pressure size of adjustment air pump can just change injection flow rate；Camera is installed in the side of tire, relative opposite side is provided with floodlight.
Description
Technical field
The present invention relates to tyre tread performance test field, specifically a kind of tyre tread drainage experimental bench and reality
Proved recipe method, it is adaptable to the test of tyre tread drainage performance.
Background technology
The road surface just rained has ponding, and front truck crosses meeting water dumping, forms water smoke, and this phenomenon can give running car band
Carry out very big potential safety hazard.The decorative pattern and groove that the draining of tire is mainly roller tire carry out draining, pass through the decorative pattern on tire
Water is excluded from its decorative pattern, it is ensured that the traveling of vehicle.The pattern for focusing on tyre tread of tire draining, the pattern of rhone
It is varied, there are closing or semi-enclosed longitudinal straight line decorative pattern, it is curve pattern also to have, for conventional tyre, plays main row
Water effect is middle longitudinal stripe, and they are deep, in uniformly with or uneven distribution, and transverse pattern is played and cut
Cut moisture film and booster action.In addition, the more broken small tyre surface of pattern block can improve noise and grind one's water breaks film.In order to reduce vapour
The shape of the drop such as drop size, the direction of motion and speed when wheel tire water dumping atomizating phenomenon is it is necessary to make tyre tread draining clear
Into with motion state.
The content of the invention
In view of the above-mentioned problems, it is an object of the invention to provide a kind of dynamic test experimental bed of tyre tread drainage performance and
Experimental method, the experimental bench and experimental method meet tire actual operating mode requirement, can simulate and be arranged between tire and road surface
Water phenomenon, perfect experimental data is provided for tyre tread research and development.
The technical scheme adopted by the invention to solve the technical problem is that：
Tyre tread drainage experimental bench, including a underframe, are provided with for simulated roadway on described underframe
Belting is turned round, is provided with above described rotating belt on wheel hub, described wheel hub and tire, and described wheel hub is installed
It is driven to rotate by motor, and described motor is fixed by a cantilever；Water receiver is also equipped with described underframe,
Waterpipe jointing, air pipe interface and outlet pipe are installed on described water receiver；Waterpipe jointing taps into water pipe, and air pipe interface connects gas
Pump, the periphery of the delivery port of outlet pipe just to tire；When water is certain in water receiver, the output pressure size of air pump is adjusted just
Injection flow rate can be changed；Camera is installed in the side of tire, relative opposite side is provided with ground glass plate and floodlight.
Further, left column, right column are housed perpendicular to the ground, described left column and right column are logical on described underframe
Cross on crossbeam connection, described left column and cantilever is housed, cantilever is coupled by bearing pin with nut with left column, can be free around bearing pin
Rotate；There are bolt chute and motor mounting groove on cantilever；Motor is arranged on cantilever, can be on bolt chute and motor mounting groove
It is moved to suitable installation site.
Further, jack terminal pad is housed on described crossbeam；Hydraulic jack is housed in jack terminal pad
Digital display pressure sensor is housed, on a sensor equipped with the tong for imposed load on top, the piston rod of hydraulic jack.Liquid
When pressing jack piston rod elongation, tong is moved down, and is stuck on cantilever；Piston rod of hydraulic jack continue extend, tong to
Cantilever is pushed, cantilever is rotated around bearing pin, drives tire to be downwardly against on rotating belt.When digital display pressure sensor shows the volume of reaching
Determine after load, hydraulic jack stops elongation.
Further, it is equipped with described underframe on drum shaft, drum shaft and bearing and roller is housed, is equipped with back on roller
Turn band, rotating belt is used to simulated roadway.Rotating belt is enclosed on roller, can freely be turned round.The two ends of drum shaft are equipped with tension device,
Tensioner nut is rotated, makes the tighting rod outward direction movement simultaneously being threadedly coupled with tensioner nut, holds out against two drum shafts, it is ensured that
The distance between two rollers maximum, with tensioner rotating belt.
Further, described motor uses servomotor, and motor speed is adjustable, to simulate turn of tire during different speeds
Speed.
Further, described camera uses CCD high speed cameras, and CCD is Charge Coupled Device (electricity
Lotus coupled apparatus) abbreviation, it is a kind of semiconductor imaging device, thus with sensitivity it is high, resist strong light, distort small, volume
The advantages of small, long lifespan and anti-vibration.Data can use computer, camera and data and IMAQ with image capture device
Equipment is connected to obtain view data.
Further, nozzle, nozzle are installed on the requirement of tire actual operating mode, described outlet pipe in order to meet
Moisture film is sprayed in the front of detected tyre, the width of sprinkling moisture film should be greater than the width of detected tyre.
Further, motor is coupled by flange with axletree.There is flange at axletree two ends, and one end couples with motor flange,
Another end flanges couple with wheel rim, and tire is arranged on wheel rim.
Further, high speed camera is provided with before experimental bench, rear, which is provided with after ground glass plate, glass plate, is provided with big work(
Rate floodlight, high speed camera, tire and rotating belt contact plane, floodlight are arranged in same level.Use in an experiment
The lighting engineering of backlight.In the backlighting arrangement of the present invention, ground glass plate is placed on behind tire and floodlight is used
Light irradiation.Ground glass is introduced between tire and light source, uniform dispersivity backlight can be provided.High speed camera is placed
With capture images before setting herein.Diffused by ground glass and pass through the light of object plane (coplanar with sipe) can be with
It is considered as coming from the plane.In this case, if ground glass is uniformly lighted, high speed camera will be seen that uniform strength
Image.When a drop water is moved to object plane, the light from the droplet position will be reflected or reflected, high-speed camera by water
In the image that head is shot, bright district will be left at the point in the plane of delineation of the position of the drop in corresponding to object plane
Domain.
During experiment, start hydraulic jack, extend jack piston rod, tong, which compresses cantilever, makes tire be pressed on revolution
Take, reach when digital display pressure sensor is shown and stop jack after rated load.Start motor, adjustment motor is specified to reach
Rotating speed, drives tire to be rotated with defined speed, rotating belt is freely turned round under the drive of tire.Water pipe and air pump are opened, is carried
For certain flow current with simulated roadway ponding.Floodlight and high speed camera are opened, water is shot from tire and rotating belt
The image that contact surface is spilled over.Light is scattered by ground glass plate, after current are scrolled the decorative pattern groove discharge of tire,
The water curtain of sector can be formed, the light that there is water curtain position will be reflected or reflected by water, be formed limpid in sight under black background
Water curtain image.Drop size, liquid drop movement during so as to record different kinds of tyre rotating speed, different water film thicknesses, different decorative pattern drainings
Direction and the distribution of liquid drop speed.
The technical scheme that its technical problem of present invention solution is taken also includes：The experiment of tyre tread drainage experimental bench
Method, comprises the following steps：
Step (1)：Detected tyre is arranged on the wheel hub；High speed camera is placed before experimental bench, rear is placed
High-power floodlight, high speed camera, tire and rotating belt contact plane, floodlight cloth are placed after ground glass plate, glass plate
Put in same level；
Step (2)：Loaded by the Vertical loading hydraulic cylinder, detected tyre is contacted and is pressed on rotating belt
On rotating belt, digital display pressure sensor records the change of power in real time in Vertical loading hydraulic cylinder loading procedure, and data are real-time
Transmit to data and image capture device；
Step (3)：Connect motor power, the rotating speed of controlled motor, so that it is determined that the rolling speed of detected tyre；
Step (4)：Water pipe and air pump are opened there is provided the current of certain flow with simulated roadway ponding.Water in water receiver
Sprayed by nozzle, moisture film is formed on rotating belt, by controlling air pressure to control water film thickness；
Step (5)：While detected tyre rotates, floodlight and high speed camera are opened, water is shot from tire and revolution
The image that the contact surface of band is spilled over, drop size when record different kinds of tyre rotating speed, different water film thicknesses, different decorative pattern drainings,
Liquid drop movement direction and the distribution of liquid drop speed.
Step (6)：By each item data and image in analyze data and image capture device, detected tyre decorative pattern is studied
Drainage performance.
The beneficial effects of the invention are as follows：
1st, the ground of detected tyre contact, rather than traditional rotary drum simulation ground are simulated using rotating belt, is more fitted
Tire actual operating mode, experimental result more accurately and reliably, while the structure of experimental bench is compacter；
2nd, provided with rotating belt, hydraulic jack and water receiver etc., realize that tire is loaded in ponding road surface dynamic operation condition, meet
The test actual operating mode requirement of tyre tread drainage performance, and can realize that tire tire rolling on dry, wet road surface connects respectively
The test of ground performance；
3rd, motor is arranged on cantilever, there is bolt chute and motor mounting groove on cantilever, can be pacified in bolt chute and motor
Suitable installation site is moved on tankage.Cantilever is coupled by bearing pin with nut with left column, can freely be rotated around bearing pin, energy
The test request of different sized tyres is enough met, it is simple in construction, reliably；
3rd, set and digital display pressure sensor is provided with Vertical loading hydraulic jack, Vertical loading hydraulic jack, passing
Tong is housed on sensor.When piston rod of hydraulic jack extends, tong is moved down, and is stuck on cantilever, and detected tyre can be achieved
Vertical loading motion and load detection record；
4th, water receiver is provided with waterpipe jointing, air pipe interface and nozzle.Waterpipe jointing taps into water pipe, and air pipe interface connects gas
When water is certain in pump, water receiver, the output pressure size of adjustment air pump can just change injection flow rate；
5th, detected tyre is arranged on the wheel hub being connected with motor output shaft, convenient disassembly, the favorable repeatability of experiment,
Save manpower, efficiency high, labor intensity low.
6th, high speed camera is provided with before experimental bench, rear, which is provided with after ground glass plate, glass plate, is provided with high-power floodlight
Lamp.Backlighting technology is used in an experiment.In the backlighting arrangement of the present invention, ground glass plate is placed on tire
Below and use floodlight light irradiation.Ground glass is introduced between tire and light source, uniform dispersivity backlight can be provided；
On the basis of this, to improve even back degree, it is also contemplated that while 2-3 block ground glass plates are placed, wherein 1 piece of glass plate and reality
Test platform parallel and perpendicular to the ground, remaining glass plate can configure one with experimental bench into certain angle of inclination after every piece of glass plate
Floodlight, and it is vertical with corresponding glass sheet plane.High speed camera is placed before this device with capture images, record
The distribution of drop size, liquid drop movement direction and liquid drop speed during different decorative pattern drainings.
7th, experimental method of the invention can simulate various works when tire runs at high speed under dry, wet road surface plumbness
Condition, is that tire research and development and performance evaluation provide perfect experimental data.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrate be used for explain the application, do not constitute the improper restriction to the application.
Fig. 1 is the overall structure front-view schematic diagram of experimental bench in the embodiment of the present invention；
Fig. 2 is the overall structure schematic rear view of experimental bench in the embodiment of the present invention；
Fig. 3 be in the embodiment of the present invention experimental bench omit the part such as underframe, column, cantilever and water receiver, jack it
Structural representation afterwards；
Fig. 4 omits the structure after the parts such as tire, rotating belt, roller and motor for experimental bench in the embodiment of the present invention
Schematic diagram；
Fig. 5 is the structural representation of tension device in the embodiment of the present invention.
In figure：1 high speed camera, 2 water receivers, 3 air pipe interfaces, 4 waterpipe jointings, 5 wheel rims, 6 tires, 7 left columns, 8,000
Jin top terminal pad, 9 crossbeams, 10 ground glass plates, 11 floodlights, 12 underframe, 13 rotating belts, 14 tension devices, 15 motors, 16 hang
Arm, 17 tongs, 18 digital display sensors, 19 hydraulic jacks, 20 nuts, 21 transverse slats, 22 axletrees, 23 motor flanges, 24 rollers, 25
Nut, 26 drum shafts, 27 bearings, 28 bearing pins, 29 motor slots, 30 bolt chutes, 31 jack piston rods, 32 right columns, 33 rollings
Cylinder axle fixing hole, 34 drum shaft chutes, 35 nozzles, 36 axis holes, 37 tighting rods I, 38 tensioner nuts, 39 tighting rods II.
Embodiment
It is noted that described further below is all exemplary, it is intended to provide further instruction to the application.Unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As background technology is introduced, there is the road surface just rained in the prior art and have ponding, front truck crosses meeting
Water dumping, forms water smoke, and this phenomenon can bring very big potential safety hazard to running car；In order to solve technical problem as above,
It is an object of the invention to provide a kind of dynamic test experimental bed of tyre tread drainage performance and experimental method, the experimental bench and reality
Proved recipe method meets tire actual operating mode requirement, can simulate draining phenomenon between tire and road surface, is tyre tread research and development
Perfect experimental data is provided.
Tyre tread drainage experimental bench, including a underframe 12, are provided with for simulation road on described underframe 12
The revolution belting in face, is provided with wheel hub 5, described wheel hub 5 above described rotating belt and is provided with tire, and described
Wheel hub 5 drive it to rotate by motor, and described motor 15 is fixed by a cantilever 16；Pacify on described underframe 12
Equipped with transverse slat 21, be also equipped with being provided with water receiver 2, described water receiver 2 on transverse slat 21 waterpipe jointing 4, air pipe interface 3 with
And outlet pipe；Waterpipe jointing taps into water pipe, and air pipe interface connects air pump, the periphery of the delivery port of outlet pipe just to tire；Water storage
When water is certain in device, the output pressure size of adjustment air pump can just change injection flow rate；Shooting is installed in the side of tire
Head, relative opposite side is provided with floodlight.
Further, left column 7, right column 32, described left column and the right side are housed perpendicular to the ground on described underframe 12
Column is connected by crossbeam 9, and cantilever 16 is housed on described left column, and cantilever 16 is joined by bearing pin 28 and nut 20 with left column
Connect, can freely be rotated around bearing pin；There are bolt chute 29 and motor mounting groove 28 on cantilever；Motor is arranged on cantilever, can be in spiral shell
Suitable installation site is moved in bolt chute 29 and motor mounting groove 28.
Further, jack terminal pad 8 is housed on described crossbeam；Hydraulic pressure thousand is housed in jack terminal pad 8
Digital display pressure sensor 18 is housed on jin top 19, the piston rod of hydraulic jack 19, on a sensor equipped with for being stuck in cantilever
The tong 17 of imposed load on 16.When piston rod of hydraulic jack extends, tong is moved down, and is stuck on cantilever；Hydraulic jack
Push up piston rod 30 to continue to extend, tong is pressed downward cantilever, makes cantilever rotate around bearing pin, drives tire to be downwardly against on rotating belt.
After digital display pressure sensor, which is shown, reaches rated load, hydraulic jack stops elongation.
Further, drum shaft chute 32 is provided with described underframe, in drum shaft chute 32 built with two rollers
It is equipped with axle 26, drum shaft 26 on bearing 27 and roller 24, roller 24 and rotating belt 13 is housed, rotating belt 13 is used to simulated roadway.
Rotating belt 13 is enclosed on roller 24, can freely be turned round.The two ends of drum shaft are equipped with tension device 14, rotate tensioner nut 36, make
Tighting rod I35, the II37 being threadedly coupled with tensioner nut 36 outward direction movements simultaneously, hold out against two drum shafts 26, drum shaft
26A is arranged in axis hole 24, it is ensured that the distance between two rollers 26 maximum, with tensioner rotating belt.
Further, described motor uses servomotor, and motor speed is adjustable, to simulate turn of tire during different speeds
Speed.
Further, described camera uses CCD high speed cameras, and CCD is Charge Coupled Device (electricity
Lotus coupled apparatus) abbreviation, it is a kind of semiconductor imaging device, thus with sensitivity it is high, resist strong light, distort small, volume
The advantages of small, long lifespan and anti-vibration.Data can use computer, camera and data and IMAQ with image capture device
Equipment is connected to obtain view data.
Further, nozzle 33 is installed on the requirement of tire actual operating mode, described outlet pipe in order to meet, sprayed
Mouth 33 sprays moisture film in the front of detected tyre, and the width of sprinkling moisture film should be greater than the width of detected tyre.
Further, motor is coupled by flange with axletree 22.There are flange, one end and motor flange 23 in the two ends of axletree 22
Connection, another end flanges couple with wheel rim 5, and tire 6 is installed on wheel rim 5.
Further, high speed camera 1 is provided with before experimental bench, rear is provided with after being provided with ground glass plate 10, glass plate
High-power floodlight 11, high speed camera 1, tire and rotating belt contact plane, floodlight 11 are arranged in same level.In reality
Test the lighting engineering of middle use backlight.In the backlighting arrangement of the present invention, ground glass plate is placed on behind tire
And use floodlight light irradiation.Ground glass is introduced between tire and light source, uniform dispersivity backlight can be provided.Take the photograph at a high speed
As head place set herein before with capture images.Diffused by ground glass and pass through object plane (coplanar with sipe)
Light can be considered as coming from the plane.In this case, if ground glass is uniformly lighted, high speed camera will be seen that
The image of uniform strength.When a drop water is moved to object plane, the light from the droplet position will be reflected or reflected by water,
In the image that high speed camera is shot, it will be stayed at the point in the plane of delineation of the position of the drop in corresponding to object plane
Lower bright areas.
During experiment, start hydraulic jack, extend jack piston rod, tong, which compresses cantilever, makes tire be pressed on revolution
Take, jack is stopped after rated load when digital display pressure sensor reality reaches.Start motor, adjustment motor is specified to reach
Rotating speed, drives tire to be rotated with defined speed, rotating belt is freely turned round under the drive of tire.Water pipe and air pump are opened, is carried
For certain flow current with simulated roadway ponding.Floodlight and high speed camera are opened, water is shot from tire and rotating belt
The image that contact surface is spilled over.Light is scattered by ground glass plate, after current are scrolled the decorative pattern groove discharge of tire,
The water curtain of sector can be formed, the light that there is water curtain position will be reflected or reflected by water, be formed limpid in sight under black background
Water curtain image.Drop size, liquid drop movement during so as to record different kinds of tyre rotating speed, different water film thicknesses, different decorative pattern drainings
Direction and the distribution of liquid drop speed.
The technical scheme that its technical problem of present invention solution is taken also includes：The experiment of tyre tread drainage experimental bench
Method, comprises the following steps：
Step (1)：Detected tyre is arranged on the wheel hub；High speed camera is placed before experimental bench, rear is placed
High-power floodlight, high speed camera, tire and rotating belt contact plane, floodlight cloth are placed after ground glass plate, glass plate
Put in same level；
Step (2)：Loaded by the Vertical loading hydraulic cylinder, detected tyre is contacted and is pressed on rotating belt
On rotating belt, digital display pressure sensor records the change of power in real time in Vertical loading hydraulic cylinder loading procedure, and data are real-time
Transmit to data and image capture device；
Step (3)：Connect motor power, the rotating speed of controlled motor, so that it is determined that the rolling speed of detected tyre；
Step (4)：Water pipe and air pump are opened there is provided the current of certain flow with simulated roadway ponding.Water in water receiver
Sprayed by nozzle, moisture film is formed on rotating belt, by controlling air pressure to control water film thickness；
Step (5)：While detected tyre rotates, floodlight and high speed camera are opened, water is shot from tire and revolution
The image that the contact surface of band is spilled over, point of drop size, liquid drop movement direction and liquid drop speed when recording different decorative pattern drainings
Cloth state.
Step (6)：By each item data and image in analyze data and image capture device, detected tyre decorative pattern is studied
Drainage performance.
Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, not to present invention protection model
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need to pay various modifications or deform still within protection scope of the present invention that creative work can make.
Claims (10)
1. tyre tread drainage experimental bench, it is characterised in that including a underframe, be provided with described underframe for mould
Intend the revolution belting on road surface, be provided with above described revolution belting on wheel hub, described wheel hub and tire is installed,
And described wheel hub drives it to rotate by motor, and described motor is fixed by a cantilever；On described underframe also
It is provided with water receiver, described water receiver and waterpipe jointing, air pipe interface and outlet pipe is installed；Waterpipe jointing taps into water
Pipe, air pipe interface connects air pump, the periphery of the delivery port of outlet pipe just to tire；When water is certain in water receiver, air pump is adjusted
Output pressure size can just change injection flow rate；Camera is installed in the side of tire, relative opposite side is provided with general
Light lamp.
2. tyre tread drainage experimental bench as claimed in claim 1, it is characterised in that filled perpendicular to the ground on described underframe
There are left column, right column, described left column and right column is connected by crossbeam, cantilever, cantilever are housed on described left column
Coupled by bearing pin with nut with left column, can freely be rotated around bearing pin；There are bolt chute and motor mounting groove on cantilever；Motor
On cantilever, suitable installation site can be moved on bolt chute and motor mounting groove.
3. tyre tread drainage experimental bench as claimed in claim 2, it is characterised in that equipped with very heavy on described crossbeam
Push up terminal pad；It is equipped with jack terminal pad on hydraulic jack, the piston rod of hydraulic jack and digital display pressure sensing is housed
Device, on a sensor equipped with the tong for being stuck in imposed load on cantilever.
4. tyre tread drainage experimental bench as claimed in claim 1, it is characterised in that described revolution belting is included in
It is equipped with drum shaft, drum shaft on bearing and roller, roller and rotating belt is housed, rotating belt is used to simulated roadway；Rotating belt is enclosed on
On roller, can freely it turn round.
5. tyre tread drainage experimental bench as claimed in claim 3, it is characterised in that the two ends of described drum shaft are equipped with
Tension device, rotates tensioner nut, makes the tighting rod outward direction movement simultaneously being threadedly coupled with tensioner nut, holds out against two rollers
Axle, it is ensured that the distance between two rollers maximum, with tensioner rotating belt.
6. tyre tread drainage experimental bench as claimed in claim 1, it is characterised in that described motor is using servo electricity
Machine, motor speed is adjustable, to simulate the rotating speed of tire during different speeds.
7. tyre tread drainage experimental bench as claimed in claim 1, it is characterised in that spray is provided with described outlet pipe
Mouth, described nozzle sprays moisture film in the front of detected tyre, and the width of sprinkling moisture film should be greater than the width of detected tyre.
8. tyre tread drainage experimental bench as claimed in claim 1, it is characterised in that described motor passes through flange and car
Axle couples；There is flange at axletree two ends, and one end couples with motor flange, and another end flanges couple with wheel rim, and tire is arranged on wheel
On rim.
9. tyre tread drainage experimental bench as claimed in claim 1, it is characterised in that be provided with frosted at the rear of experimental bench
High-power floodlight is provided with after glass plate, glass plate, high speed camera, tire and rotating belt contact plane, floodlight are arranged in
Same level.
10. the method tested using any described tyre tread drainage experimental benches of claim 1-9, its feature is existed
In,
Step (1)：Detected tyre is arranged on the wheel hub；High speed camera is placed before experimental bench, frosted is placed at rear
High-power floodlight is placed after glass plate, glass plate, high speed camera, tire and rotating belt contact plane, floodlight are arranged in
Same level；
Step (2)：Loaded by the Vertical loading hydraulic cylinder, detected tyre is contacted with rotating belt and be pressed on revolution
Take, digital display pressure sensor records the change of power in real time in Vertical loading hydraulic cylinder loading procedure, and by real-time data transmission
To data and image capture device；
Step (3)：Connect motor power, the rotating speed of controlled motor, so that it is determined that the rolling speed of detected tyre；
Step (4)：Water pipe and air pump are opened there is provided the current of certain flow with simulated roadway ponding.Water in water receiver passes through
Nozzle is sprayed, and moisture film is formed on rotating belt, by controlling air pressure to control water film thickness；
Step (5)：While detected tyre rotates, floodlight and high speed camera are opened, water is shot from tire and rotating belt
The image that contact surface is spilled over, light is scattered by ground glass plate, after current are scrolled the decorative pattern groove discharge of tire,
The water curtain of sector can be formed, the light that there is water curtain position will be reflected or reflected by water, be formed limpid in sight under black background
Water curtain image.Drop size, liquid drop movement during so as to record different kinds of tyre rotating speed, different water film thicknesses, different decorative pattern drainings
Direction and the distribution of liquid drop speed.
Step (6)：By each item data and image in analyze data and image capture device, the row of detected tyre decorative pattern is studied
Aqueous energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710500733.5A CN107132060B (en) | 2017-06-27 | 2017-06-27 | Tire pattern drainage experiment table and experiment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710500733.5A CN107132060B (en) | 2017-06-27 | 2017-06-27 | Tire pattern drainage experiment table and experiment method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107132060A true CN107132060A (en) | 2017-09-05 |
| CN107132060B CN107132060B (en) | 2023-08-22 |
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