CN109060383A - A kind of emulation test system and method for tire and road surface interaction - Google Patents
A kind of emulation test system and method for tire and road surface interaction Download PDFInfo
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- CN109060383A CN109060383A CN201810948654.5A CN201810948654A CN109060383A CN 109060383 A CN109060383 A CN 109060383A CN 201810948654 A CN201810948654 A CN 201810948654A CN 109060383 A CN109060383 A CN 109060383A
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- 238000012360 testing method Methods 0.000 title claims abstract description 284
- 230000003993 interaction Effects 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 238000011068 loading method Methods 0.000 claims abstract description 18
- 239000007921 spray Substances 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 238000010998 test method Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 238000011105 stabilization Methods 0.000 claims description 2
- 238000011160 research Methods 0.000 abstract description 6
- 230000009467 reduction Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 13
- 238000013461 design Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000969 carrier Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013480 data collection Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid 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
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- Tires In General (AREA)
Abstract
The present invention relates to the emulation test systems and method of a kind of tire and road surface interaction, the test macro includes tire test specimen, the load of tire test specimen and measuring mechanism, road surface test specimen and emulation road surface mechanism, road surface test specimen is made of multiple road surface test specimen blocks, emulating road surface mechanism includes chain and at least two sprocket wheels, chain is arranged along the periphery of sprocket wheel, multiple road surface test specimen blocks are removably continuously arranged on chain, tire test specimen is detachably connected in the load of tire test specimen and measuring mechanism, the load of tire test specimen and measuring mechanism are mounted on the top of emulation road surface mechanism, the load of tire test specimen and measuring mechanism include measuring device and loading device, tire test specimen is contacted or is separated with road surface test specimen by loading device.The present invention can simulate true road surface and tire, and replaceable different tire test specimen and road surface test specimen, and test parameter is adjusted, and to meet different testing requirements, promote the research of the safe antiskid of tire-road, noise reduction, wear-resisting and comfort etc..
Description
Technical field
The present invention relates to the emulation test system and method for a kind of tire and road surface interaction, the emulation test system energy
Enough simulate the interaction between tire and road surface.
Background technique
The main carriers material of tire, road surface as safety and environmental protection communications and transportation System Construction, the material of tire and surface
Texture, road surface material property and geometrical property, tire and the activated interface on road surface and environmental condition etc. are all to influence traveling
The principal element of safety, but the designing and manufacturing of automobile tire material and structure, Highway Pavement Structures and material design and apply
Work point belongs to two industries, is studying the safety and environmental protection characteristic under interacting with consideration tire-road in application process obviously not
Foot.In highway industry, packet size accelerated loading equipment or reduced scale accelerated loading equipment are developed to study different structure and material
Road surface behaviour in service, research object be only road surface, do not consider the decorative pattern and material of tire, and need indoors or room
The packet size road surface of various structure and materials is built at outer test site, exist simultaneously take up a large area, road surface replacement is difficult, fund is thrown
Enter high problem.In tire or automobile industry, road simulator stand is coupled using tire to study different decorative patterns and material
Driving condition of the tire on road, research object are only tire, do not consider the structure and material on road surface.Tire, road surface conduct
Two carriers of interaction, when the relatively isolated research of the first two industry constrain the safe antiskid of tire-road, noise reduction,
The progress of wear-resisting and comfort etc..
The information for being disclosed in the background of invention technology segment is merely intended to deepen the reason to general background technique of the invention
Solution, and it is known to those skilled in the art existing to be not construed as recognizing or imply that the information is constituted in any form
Technology.
Summary of the invention
The purpose of the present invention is to provide the emulation test system and method for a kind of tire and road surface interaction, the emulation
Test macro can simulate true road surface and tire and interaction between the two.
Further, different tire test specimen and road surface test specimen are replaced in present invention permission according to test request, adjustable
Test parameter, to meet different testing requirements, to promote the safe antiskid of tire-road, noise reduction, wear-resisting and comfort etc.
The research of aspect.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of emulation test system of tire and road surface interaction comprising tire test specimen, the load of tire test specimen and survey
Measuring mechanism, road surface test specimen and emulation road surface mechanism, the road surface test specimen are made of multiple road surface test specimen blocks, emulation road surface machine
Structure includes chain and at least two sprocket wheels being arranged in rows in transverse direction, the chain along the periphery setting of these sprocket wheels with
By these sprocket wheel drive chains, the multiple road surface test specimen block is removably continuously arranged on the chain true to simulate
Road surface, the tire test specimen are detachably connected in the tire test specimen load and measuring mechanism, the tire test specimen load
And measuring mechanism is mounted on the top of the emulation road surface mechanism by rack, the tire test specimen load and measuring mechanism include
It measuring device and is gone up and down for tire on the drive wheels test specimen and to the loading device that tire test specimen is further applied load, tire test specimen passes through described
Loading device is contacted or is separated with road surface test specimen.
Preferably, the tire test specimen load and measuring mechanism further comprise tire dolly, wheel shaft and brake, the survey
Amount equipment is torque sensor, and tire test specimen is rotatably connected on the tire dolly by the wheel shaft, the brake
The side of tire test specimen is in axial direction mounted on by brake frame, the torque sensor is mounted on tire test specimen and braking
Between device.
Preferably, the tire dolly can be mounted on up or down in the rack by guide rail.
Preferably, the loading device is hydraulic device, and the hydraulic device is located above the tire dolly, described hydraulic
The piston rod of device is connect with tire dolly.
Preferably, the emulation road surface mechanism further comprises pedestal, sprocket wheel rack and driving device, the sprocket wheel rack
It is mounted on the base, the sprocket wheel is mounted in the sprocket wheel rack and is driven by the driving device.
Preferably, the multiple road surface test specimen block is detachably connected to respectively on the fixed bottom plate of respective test specimen, described
The fixed bottom plate of test specimen is connected on the chain by connecting rod.
Preferably, the fixed bottom plate of the test specimen is connected on the chain by drive link and movable rod, the drive
Dynamic connecting rod and the movable rod are successively hinged on the bottom of the fixed bottom plate of the test specimen along the rotation direction of chain.
Preferably, the movable rod is made of the first connecting rod being hinged and the second connecting rod, and described first connects
The fixed bottom plate of the other end relative to one end hinged with second connecting rod and test specimen of extension bar is hinged, second connection
The other end relative to one end hinged with the first connecting rod of bar is fixedly connected with chain.
Preferably, the multiple road surface test specimen block is continuously covered with entire chain by the fixed bottom plate of test specimen and connecting rod.
Preferably, the outside of sprocket wheel is equipped with housing, the upper opening of the housing.
It preferably, further comprise display and control system to control and show test condition and test result.
It preferably, further comprise the spray system for spraying water to tire test specimen and road surface test specimen to simulate rainy day road
Face.
Another technical solution of the invention are as follows:
A kind of emulation test method of tire and road surface interaction, this method are carried out using above-mentioned emulation test system
Test, specifically includes the following steps:
1) road surface test specimen block is prepared, road surface test specimen block is prepared by track molding machine using mold；
2) test specimen block in road surface is detachably connected on the fixed bottom plate of test specimen, and the fixed bottom plate of test specimen is connected to chain by connecting rod
On item, road surface test specimen block is continuously arranged on chain, and sprocket wheel rotation drives the fixed bottom plate of chain, test specimen and road surface test specimen block fortune
Dynamic, when operation enters the straight line stage, road surface test specimen block constitutes straight road surface, tire test specimen and road surface test specimen block
Engagement is formed by straight road surface contact, and work of the tire in road traveling is imitated in the mobile drive tire test specimen rotation on road surface
Condition；
3) tire test specimen is detachably connected on tire dolly by wheel shaft, and tire test specimen and wheel shaft consolidate, tire test specimen
Rotation drive wheel shaft rotation, brake and torque sensor act on wheel shaft, realizes adopting for torque, braking and related data
Collection；
4) load of loading device is applied on tire dolly, and magnitude of load is controlled by computer, and load is acted on by tire
On road surface, speed is that the linear velocity i.e. speed of test specimen is realized by controlling the revolving speed of sprocket wheel；
5) tire test specimen and road surface test specimen to be tested are installed, sets the speed of service and tire test specimen to the pressure on ground
Power, start sprocket wheel, tire test specimen is fallen after it reaches setting speed and stablizes and is loaded, when reach setting pressure and speed it is steady
It is tested after fixed, torque, noise, dust can be tested, the brake of operation wheel shaft installation is realized tire braking, is able to carry out
Test relevant to braking；
6) display and control system show test result and store that tire test specimen goes back to original position automatically after the test, own
Operation stops.
Preferably, spray system is arranged in the front of the tire test specimen on tire test specimen direction of travel, when needing to wet and slippery
This device is opened when road surface is tested, and imitates rainy day road conditions.
The invention has the benefit that
The emulation test system can simulate true road surface and tire and interaction between the two, and allow basis
Test request replaces different tire test specimen and road surface test specimen, and adjustable test parameter, wherein tyre load and travel speed
It can adjust on a large scale, pavement temperature and road surface dry and wet degree are adjustable, and tire drag can be surveyed, which can combine other
Noise, the dust, brake force that auxiliary device generates when realizing in laboratory to friction speed, different load-carryings, drying or rainy day
Etc. project test, to promote the research of the safe antiskid of tire-road, noise reduction, wear-resisting and comfort etc..
Detailed description of the invention
Fig. 1 is the main view of the emulation test system of tire described in the embodiment of the present invention and road surface interaction；
Fig. 2 is the side view of the emulation test system of tire described in the embodiment of the present invention and road surface interaction；
Fig. 3 is the partial cross-sectional view of the load of tire test specimen described in the embodiment of the present invention and measuring mechanism；
Fig. 4 is the partial enlarged view that road surface mechanism is emulated described in the embodiment of the present invention；
Fig. 5 is the view that one of road surface test specimen block of the embodiment of the present invention is connect with chain.
Description of symbols:
1. tire test specimen；2. the load of tire test specimen and measuring mechanism；3. housing；4. road surface test specimen block；5. chain；6. chain
Wheel；7. rack；8. tire dolly；9. wheel shaft；10. brake；11. torque sensor；12. brake frame；13. hydraulic device；14.
Pedestal；15. sprocket wheel rack；16. driving device；17. test specimen fixes bottom plate；18. drive link；19. movable rod.
Specific embodiment
Combined with specific embodiments below and respective drawings the invention will be further described.
It is to be appreciated that appended attached drawing is not proportionally drawn, and merely to illustrating each of basic principle of the invention
The suitably simplified technique of painting of kind feature.The specific design feature of invention disclosed herein include for example specific size, direction,
Position and shape will be partly determined by the specific application and use environment.
In appended multiple attached drawings, same or equivalent component (element) is with the index of identical appended drawing reference.
As depicted in figs. 1 and 2, the emulation test system of tire described in the embodiment of the present invention and road surface interaction,
Including tire test specimen 1, the load of tire test specimen and measuring mechanism 2, road surface test specimen and emulation road surface mechanism.
The road surface test specimen is made of multiple road surface test specimen blocks 4.The emulation road surface mechanism include chain 5 and transversely side
To at least two sprocket wheels 6 being arranged in rows.The chain 5 is formed by entire periphery setting along by these sprocket wheels 6 to pass through
These common drive chains 5 of sprocket wheel 6, multiple road surface test specimen blocks 4 are removably continuously arranged on the chain true to simulate
(the several road surface test specimen blocks 4 and part chain 5 positioned at upside are only simplifiedly shown, it should be understood that road surface in road surface in Fig. 1
Test specimen block and chain are to surround sprocket wheel 6 to form a closed ring).Tire test specimen 1 is detachably connected to the load of tire test specimen
And in measuring mechanism 2.The load of tire test specimen and measuring mechanism 2 are mounted on the top of emulation road surface mechanism, tire examination by rack 7
Part load and measuring mechanism 2 include measuring device and the load for tire on the drive wheels test specimen lifting and being further applied load to tire test specimen
Device, tire test specimen are contacted or are separated with road surface test specimen by the loading device.
Wherein, road surface test specimen block and tire test specimen are removably attachable in whole system, therefore can be according to survey
Examination requires to replace different tire test specimen and road surface test specimen.Road surface test specimen is indoor molding track plate, can be gathered materials using difference,
Pitch and different gradation form track plate, realize the transformation on different road surfaces by replacement track plate.(no by re-type
The tire of same material and different pattern structures) realize the transformation of different kinds of tyre.
Make the decline of tire test specimen 1 to contact with the road surface test specimen of lower section by loading device, carrys out simulated automotive when driving
The relative motion on road surface and tire.
As shown in figure 3, the tire test specimen load and measuring mechanism 2 further comprise tire dolly 8,9 and of wheel shaft in this example
Brake 10.Measuring device is torque sensor 11, and tire test specimen 1 is rotatably connected in tire dolly 8 by wheel shaft 9, is made
Dynamic device 10 is in axial direction mounted on the side of tire test specimen 1 by brake frame 12, and torque sensor 11 is mounted on tire examination
Between part 1 and brake 10.
In this example, tire dolly 8 can be mounted on up or down in rack 7 by guide rail.Loading device is hydraulic device 13,
Hydraulic device is located at 8 top of tire dolly, and the piston rod of hydraulic device 13 is connect with tire dolly 8, to apply load to tire dolly 8.
Certainly, which can also be substituted using other devices of this field, such as manual or electronic lead screw etc..
It can need to tire test specimen apply different pressure according to test by hydraulic device so that tire test specimen is to road
It interviews part and applies load (tire acts on the pressure on road surface), use feelings on road surface to simulate the vehicle tyre of different load-carryings
Condition.
As shown in Fig. 2, the emulation road surface mechanism further comprises pedestal 14, sprocket wheel rack 15 and driving dress in this example
Set 16.Sprocket wheel rack 15 is mounted on pedestal 14, and sprocket wheel 6 is mounted in sprocket wheel rack 15 and is driven by driving device 16；?
In the embodiment of Fig. 2, driving device 16 is using the motor belt kind of drive, but it can also be using other biographies of this field
Flowing mode, such as retarder pass through pivot connection of the shaft coupling directly with sprocket wheel 6.
As Fig. 4 and Fig. 5 in more detail shown in, it is solid that multiple road surface test specimen blocks 4 are detachably connected to respective test specimen respectively
Determine on bottom plate 17, the fixed bottom plate 17 of test specimen is connected on chain 5 to pass through chain by drive link 18 and movable rod 19
Rotation drive road surface test specimen block 4 mobile.One end of drive link 18 is fixedly connected with chain 5, the other end of drive link 18
Hinged with the fixed bottom plate 17 of test specimen, movable rod 19 is made of the first connecting rod being hinged and the second connecting rod, and first connects
The fixed bottom plate of the other end relative to one end hinged with second connecting rod and test specimen of extension bar is hinged, the second connecting rod
The other end relative to one end hinged with the first connecting rod is fixedly connected with chain, in this way the fixed bottom plate 17 of test specimen with
Three hinge joints are formed between chain 5, that is, first of hinge joint, movable rod between drive link and the fixed bottom plate of test specimen
The hinge joint between hinge joint and first connecting rod and the second connecting rod between connecting rod and the fixed bottom plate of test specimen.By above-mentioned
Structure can make the gap between any two road surface test specimen block 4 in the flat portion as small as possible, while can protect again
Card will not interfere between the test specimen block of road surface when circular arc portion is mobile.
As shown in Figure 1, the outside of sprocket wheel 6 is equipped with housing 3, the upper opening of the housing 3 so that 6 top of sprocket wheel road surface
Test specimen block 4 to contact with tire test specimen 1, and separates the other parts of equipment with the external world outside being exposed to, in order to avoid testing
Noise, dust and other sundries in the process are discharged to outside and influence environment.
Set in this example there are two sprocket wheel, it is driven that two sprocket wheels can be active one, be also possible to both with drive
Dynamic device connection, so that chain be made to rotate in different directions.As a specific example of the invention, the length of road surface test specimen block
Degree and width are 300mm, and the size of certain road surface test specimen block can according to need specific setting.Has height by market survey
The coarse pitch chain market of fast low noise is not yet found, by selecting, the current maximum pitch of high speed low noise chain is 38.1mm, to
Special construction must be developed and be just able to achieve by allowing the road surface test specimen block of 300mmX300mm to be moved in a circle by chain-driving.By
Design has finally chosen above structure (as shown in Figure 4 and Figure 5).Selecting the chain integral multiple joint number closest to 300mm long is one
A unit, chain drive the fixed bottom plate of test specimen and road surface test specimen block to move by drive link, and at the straight line stage, test specimen is fixed
Bottom plate is parallel with chain to be moved in a straight line, and when entering the circular arc stage, corresponding rotation, which occur, in three hinge joints can pass through circle
The arc stage.Road surface test specimen block is continuously covered with entire chain by the fixed bottom plate of test specimen and connecting rod and (illustrates only road surface examination in Fig. 1
A part of part).To simulate true road surface.
The rotation of sprocket wheel 6 drives the fixed bottom plate 17 of chain 5, test specimen and road surface test specimen block 4 to move, when operation enters straight line rank
Road surface test specimen block 4 constitutes straight road surface when section, and tire test specimen 1 engages with road surface test specimen block 4 and is formed by straight road
Operating condition of the tire in road traveling is imitated in face contact, mobile drive tire test specimen 1 rotation on road surface, and the braking of brake 10 prevents
The rotation of the shaft of one end that torque sensor 11 is connected with brake 10, the shaft of 11 other end of torque sensor is in wheel shaft
The torque for continuing rotation under the action of 9 to generate is measured by torque sensor.
In this example, the emulation test system of the tire and road surface interaction further comprises display and control system
To control and show test condition and test result.
In addition it can needing to increase other auxiliary devices according to actual test, such as spray system can be added with to wheel
Tire test specimen and road surface test specimen water spray, to simulate in the rainy day, the interaction of tire and road surface.
Road surface test specimen block 4 forms a flat section between two sprocket wheels 6, thus the case where simulated roadway.It is preferred that
The place opposite with tire test specimen is provided with carrying roller on the downside of chain, to guarantee chain 5 and road when tire test specimen 1 is depressed
Thus interview part block 4 will not influence the effect of simulation due to the pressure and moving down of tire test specimen 1.
Be the structure of single setting shown in the embodiment of the present invention, be provided with there are two sprocket wheel 6, two sprocket wheels 6 it
Between be arranged a tire test specimen 1；But the present invention is not limited to above structures, can be provided with principle according to the present invention plurality of rows of
Structure, such as be arranged in parallel multiple rows of；And multiple sprocket wheels 6 can be set in each row, tire is set between every two sprocket wheel 6
Test specimen 1.And it is possible to have other auxiliary devices according to different condition settings on different road surface test specimen blocks 4, to improve survey
Try efficiency.
The method tested using the emulation test system of above-mentioned tire and road surface interaction, specifically includes following step
It is rapid:
1) road surface test specimen block is prepared, road surface test specimen block is prepared by track molding machine using mold；
2) test specimen block in road surface is detachably connected on the fixed bottom plate of test specimen, and the fixed bottom plate of test specimen is connected to chain by connecting rod
On item, road surface test specimen block is continuously arranged on chain, and sprocket wheel rotation drives the fixed bottom plate of chain, test specimen and road surface test specimen block fortune
Dynamic, when operation enters the straight line stage, road surface test specimen block constitutes straight road surface, tire test specimen and road surface test specimen block
Engagement is formed by straight road surface contact, and work of the tire in road traveling is imitated in the mobile drive tire test specimen rotation on road surface
Condition；
3) tire test specimen is detachably connected on tire dolly by wheel shaft, and tire test specimen and wheel shaft consolidate, tire test specimen
Rotation drive wheel shaft rotation, brake and torque sensor act on wheel shaft, realizes adopting for torque, braking and related data
Collection；
4) load of loading device is applied on tire dolly, and magnitude of load is controlled by computer, loading method using mechanical or
Hydraulic, load is acted on road surface by tire, and speed is that the linear velocity i.e. speed of test specimen is realized by controlling the revolving speed of sprocket wheel；
5) tire test specimen and road surface test specimen to be tested are installed, sets the speed of service and tire test specimen to the pressure on ground
Power, start sprocket wheel, tire test specimen is fallen after it reaches setting speed and stablizes and is loaded, when reach setting pressure and speed it is steady
It is tested after fixed, torque, noise, dust can be tested, the brake of operation wheel shaft installation is realized tire braking, is able to carry out
Test relevant to braking；
6) display and control system show test result and store that tire test specimen goes back to original position automatically after the test, own
Operation stops.
In addition, spray system is arranged in the front of tire test specimen on tire test specimen direction of travel, when needing to wet and slippery road
This device is opened when face is tested, and imitates rainy day road conditions.
Specific example:
1) setup test is with sedan-chair tire one, the exquisite GREEN-Max of model green row HP010, specification 205/55R16
91V；
2) prepare 31 pieces of pavement track test specimen, gradation types AC-13, cementitious matter selects No. 90 A grades of bi tumenf orr oads, collection
Material selection limestone, 4.75mm percent of pass 40%；
3) 31 block road rut test pieces are placed on the fixed bottom plate of test specimen, side is pushed down with test specimen pressing plate, and test specimen pressing plate is logical
It crosses two bolts to be fastened on the fixed bottom plate of test specimen, it is ensured that 31 block road test specimen blocks are continuously covered with entire chain；
4) tire is installed on tyre hub, the tire installed is fixed on wheel shaft, wheel shaft both ends are external screw thread, will be taken turns
Axis is placed in the card slot on wheel carrier, and wheel shaft both ends are compressed with nut；
5) opening operation interface, setting tire loading force is 400kg, road surface test specimen velocity of rotation is 80 revs/min；
6) start-up loading device declines tire, allows tire gently to contact with road surface test specimen, contact force is reset, and clicks
Pressurize key, and after tire load, starting sprocket wheel rotates road surface test specimen, after whole system steadily operates 10min, reaches setting pressure
After power and velocity-stabilization, torque, noise, dust etc. can be tested, the brake of operation wheel shaft installation realizes tire braking, can
Carry out test relevant to braking；
7) display and control system show test result and store that tire test specimen goes back to original position automatically after the test, own
Operation stops.
The description that the specific illustrative embodiment of the present invention is presented in front is for the purpose of illustration and description.Front
Description be not intended to become without missing, be not intended to limit the invention to disclosed precise forms, it is clear that root
It is possible for much changing and change all according to above-mentioned introduction.The exemplary embodiment was chosen and described for the sake of explain this hair
Bright certain principles and practical application, so that others skilled in the art can be realized and utilize of the invention each
Kind exemplary implementation scheme and its various selection forms and modification.The scope of the present invention be intended to by the appended claims and
Its equivalents is limited.
Claims (14)
1. the emulation test system of a kind of tire and road surface interaction, which is characterized in that add including tire test specimen, tire test specimen
It carries and measuring mechanism, road surface test specimen and emulation road surface mechanism, the road surface test specimen is made of multiple road surface test specimen blocks, the emulation
Road surface mechanism includes chain and at least two sprocket wheels being arranged in rows in transverse direction, the chain along these sprocket wheels periphery
Setting is with by these sprocket wheel drive chains, the multiple road surface test specimen block is removably continuously arranged on the chain with mould
Intend true road surface, the tire test specimen is detachably connected in the tire test specimen load and measuring mechanism, the tire examination
Part load and measuring mechanism are mounted on the top of the emulation road surface mechanism, the tire test specimen load and measuring machine by rack
Structure includes measuring device and goes up and down for tire on the drive wheels test specimen and to the loading device that tire test specimen is further applied load, and tire test specimen is logical
It crosses the loading device and contacts or separate with road surface test specimen.
2. the emulation test system of tire according to claim 1 and road surface interaction, which is characterized in that the tire
Test specimen load and measuring mechanism further comprise tire dolly, wheel shaft and brake, and the measuring device is torque sensor, tire
Test specimen is rotatably connected on the tire dolly by the wheel shaft, and the brake is in axial direction pacified by brake frame
Mounted in the side of tire test specimen, the torque sensor is mounted between tire test specimen and brake.
3. the emulation test system of tire according to claim 2 and road surface interaction, which is characterized in that the tire
Frame can be mounted on up or down in the rack by guide rail.
4. the emulation test system of tire according to claim 3 and road surface interaction, which is characterized in that the load
Device is hydraulic device, and the hydraulic device is located above the tire dolly, and the piston rod and tire dolly of the hydraulic device connect
It connects.
5. the emulation test system of tire according to claim 1 and road surface interaction, which is characterized in that the emulation
Road surface mechanism further comprises pedestal, sprocket wheel rack and driving device, and the sprocket wheel rack is mounted on the base, the chain
Wheel is mounted in the sprocket wheel rack and is driven by the driving device.
6. the emulation test system of tire according to claim 5 and road surface interaction, which is characterized in that the multiple
Road surface test specimen block is detachably connected to respectively on the fixed bottom plate of respective test specimen, and the fixed bottom plate of the test specimen is connected by connecting rod
On the chain.
7. the emulation test system of tire according to claim 6 and road surface interaction, which is characterized in that the test specimen
Fixed bottom plate is connected on the chain by drive link and movable rod, and the drive link and the movable rod are along chain
The rotation direction of item is successively hinged on the bottom of the fixed bottom plate of the test specimen.
8. the emulation test system of tire according to claim 7 and road surface interaction, which is characterized in that the activity
Connecting rod is made of the first connecting rod being hinged and the second connecting rod, and the first connecting rod connects relative to described second
The other end of the hinged one end of extension bar and the fixed bottom plate of test specimen are hinged, and second connecting rod is connect relative to described first
The other end of the hinged one end of bar is fixedly connected with chain.
9. the emulation test system of tire according to claim 6 and road surface interaction, which is characterized in that the multiple
Road surface test specimen block is continuously covered with entire chain by the fixed bottom plate of test specimen and connecting rod.
10. the emulation test system of tire according to claim 1 and road surface interaction, which is characterized in that sprocket wheel
Outside is equipped with housing, the upper opening of the housing.
11. the emulation test system of tire according to claim 1 and road surface interaction, which is characterized in that further
Including display and control system to control and show test condition and test result.
12. the emulation test system of tire according to claim 1 and road surface interaction, which is characterized in that further
Including the spray system for spraying water to tire test specimen and road surface test specimen to simulate rainy day road surface.
13. the emulation test method of a kind of tire and road surface interaction, which is characterized in that this method utilizes claim 1-11
Described in any item emulation test systems are tested, specifically includes the following steps:
1) road surface test specimen block is prepared, road surface test specimen block is prepared by track molding machine using mold；
2) test specimen block in road surface is detachably connected on the fixed bottom plate of test specimen, and the fixed bottom plate of test specimen is connected to chain by connecting rod
On, road surface test specimen block is continuously arranged on chain, and sprocket wheel rotation drives the fixed bottom plate of chain, test specimen and road surface test specimen block fortune
Dynamic, when operation enters the straight line stage, road surface test specimen block constitutes straight road surface, tire test specimen and road surface test specimen block
Engagement is formed by straight road surface contact, and work of the tire in road traveling is imitated in the mobile drive tire test specimen rotation on road surface
Condition；
3) tire test specimen is detachably connected on tire dolly by wheel shaft, and tire test specimen and wheel shaft consolidate, the rotation of tire test specimen
Turn to drive wheel shaft rotation, brake and torque sensor act on wheel shaft, realize torque, braking and the acquisition of related data；
4) load of loading device is applied on tire dolly, and magnitude of load is controlled by computer, and load acts on road surface by tire
On, speed is that the linear velocity i.e. speed of test specimen is realized by controlling the revolving speed of sprocket wheel；
5) tire test specimen and road surface test specimen to be tested are installed, the speed of service and tire test specimen is set to the pressure on ground, opens
Movable sprocket is fallen tire test specimen and is loaded after it reaches setting speed and stablizes, after reaching setting pressure and velocity-stabilization
It is tested, torque, noise, dust can be tested, the brake of operation wheel shaft installation realizes tire braking, is able to carry out and makes
Move relevant test；
6) display and control system show test result and store that tire test specimen returns original position, all operations automatically after the test
Stop.
14. the emulation test method of tire according to claim 13 and road surface interaction, which is characterized in that in tire
Spray system is arranged in the front of tire test specimen on test specimen direction of travel, this dress is opened when needing to test wet-skid road surface
It sets, imitates rainy day road conditions.
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