CN109060383B - Simulation test system and method for interaction between tire and road surface - Google Patents
Simulation test system and method for interaction between tire and road surface Download PDFInfo
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- CN109060383B CN109060383B CN201810948654.5A CN201810948654A CN109060383B CN 109060383 B CN109060383 B CN 109060383B CN 201810948654 A CN201810948654 A CN 201810948654A CN 109060383 B CN109060383 B CN 109060383B
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- 238000012360 testing method Methods 0.000 title claims abstract description 289
- 238000004088 simulation Methods 0.000 title claims abstract description 40
- 230000003993 interaction Effects 0.000 title claims abstract description 25
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- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 238000005507 spraying Methods 0.000 claims description 7
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 2
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- 238000013461 design Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
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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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Abstract
The invention relates to a simulation test system and a simulation test method for interaction of a tire and a road surface, wherein the test system comprises a tire test piece, a tire test piece loading and measuring mechanism, a road surface test piece and a simulation road surface mechanism, the road surface test piece is composed of a plurality of road surface test piece blocks, the simulation road surface mechanism comprises a chain and at least two chain wheels, the chain is arranged along the periphery of the chain wheels, the plurality of road surface test piece blocks are detachably and continuously arranged on the chain, the tire test piece is detachably connected in the tire test piece loading and measuring mechanism, the tire test piece loading and measuring mechanism is arranged above the simulation road surface mechanism, the tire test piece loading and measuring mechanism comprises a measuring device and a loading device, and the tire test piece is contacted with or separated from the. The invention can simulate real road surface and tyre, and can replace different tyre test pieces and road surface test pieces, and adjust test parameters to meet different test requirements, and promote the research on safe skid resistance, noise reduction, wear resistance, comfort and the like of tyre-road surface.
Description
Technical Field
The invention relates to a simulation test system and a simulation test method for interaction between a tire and a road surface.
Background
The tire and the road surface are used as main carrier materials for building a safe and environment-friendly transportation system, the material and surface texture of the tire, the characteristics and geometric characteristics of road surface materials, the action interface of the tire and the road surface, the environmental conditions and the like are all main factors influencing the driving safety, but the design and manufacture of automobile tire materials and structures and the design and construction of road surface structures and materials belong to two industries, and the obvious deficiency of the safe and environment-friendly characteristics under the interaction of the tire and the road surface is considered in the research and application processes. In the highway industry, group-size accelerated loading equipment or reduced-scale accelerated loading equipment is developed to research the use conditions of pavements with different structures and materials, the research object is only the pavement, the patterns and the materials of tires are not considered, and the group-size pavements with various structures and materials need to be built in indoor or outdoor test fields, and meanwhile, the problems of large occupied area, difficulty in pavement replacement and high capital investment exist. In the tire or automobile industry, a tire coupling road simulation test bed is adopted to research the running conditions of tires with different patterns and materials on a road, the research object is only the tire, and the structure and the material of the road surface are not considered. The tire and the road surface are used as two interacting carriers, and the research progress in the aspects of safe skid resistance, noise reduction, wear resistance, comfort and the like of the tire-road surface is restricted by the relatively isolated research of the current two industries.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a simulation test system and a simulation test method for interaction between a tire and a road surface, wherein the simulation test system can simulate a real road surface, the tire and the interaction between the real road surface and the tire.
Furthermore, the invention allows different tire test pieces and road test pieces to be replaced according to the test requirements, and test parameters can be adjusted to meet different test requirements, thereby promoting the research on safe skid resistance, noise reduction, wear resistance, comfort and the like of the tire-road.
The purpose of the invention is realized by the following technical scheme:
a simulation test system for interaction of a tire and a road surface comprises a tire test piece, a tire test piece loading and measuring mechanism, a road surface test piece and a simulation road surface mechanism, wherein the road surface test piece consists of a plurality of road surface test piece blocks, the simulation road surface mechanism comprises a chain and at least two chain wheels arranged in rows along the transverse direction, the chain is arranged along the peripheries of the chain wheels so as to drive the chain through the chain wheels, the road surface test piece blocks are detachably and continuously arranged on the chain so as to simulate the real road surface, the tire test piece is detachably connected in the tire test piece loading and measuring mechanism, the tire test piece loading and measuring mechanism is arranged above the simulation road surface mechanism through a frame, the tire test piece loading and measuring mechanism comprises a measuring device and a loading device used for driving the tire test piece to lift and applying load to the tire test piece, the tire test piece is contacted with or separated from the road test piece through the loading device.
Preferably, the tire test piece loading and measuring mechanism further comprises a tire frame, an axle and a brake, the measuring device is a torque sensor, the tire test piece is rotatably connected to the tire frame through the axle, the brake is installed on one side of the tire test piece in the axial direction through the brake frame, and the torque sensor is installed between the tire test piece and the brake.
Preferably, the tire frame is mounted within the frame by a guide rail to be movable up and down.
Preferably, the loading device is a hydraulic device, the hydraulic device is located above the tire frame, and a piston rod of the hydraulic device is connected with the tire frame.
Preferably, the simulated pavement mechanism further comprises a base, a chain wheel frame and a driving device, wherein the chain wheel frame is installed on the base, and the chain wheel is installed in the chain wheel frame and driven by the driving device.
Preferably, the plurality of pavement test piece blocks are respectively detachably connected to respective test piece fixing bottom plates, and the test piece fixing bottom plates are connected to the chains through connecting rods.
Preferably, the test piece fixing bottom plate is connected to the chain through a driving connecting rod and a movable connecting rod, and the driving connecting rod and the movable connecting rod are sequentially hinged to the bottom of the test piece fixing bottom plate along the rotation direction of the chain.
Preferably, the movable connecting rod is composed of a first connecting rod and a second connecting rod which are hinged to each other, the other end of the first connecting rod, which is opposite to the end hinged to the second connecting rod, is hinged to the test piece fixing bottom plate, and the other end of the second connecting rod, which is opposite to the end hinged to the first connecting rod, is fixedly connected to the chain.
Preferably, the plurality of pavement test pieces are continuously distributed on the whole chain through the test piece fixing bottom plate and the connecting rods.
Preferably, the exterior of the sprocket is provided with a cover, the upper portion of which is open.
Preferably, the test system further comprises a display and control system for controlling and displaying the test conditions and the test results.
Preferably, the road surface test device further comprises a spraying system for spraying water to the tire test piece and the road surface test piece so as to simulate a rainy road surface.
The other technical scheme of the invention is as follows:
a simulation test method for interaction between a tire and a road surface utilizes the simulation test system to carry out testing, and specifically comprises the following steps:
1) preparing a pavement test piece block, wherein the pavement test piece block is prepared by a track forming machine by adopting a mold;
2) the road surface test piece is detachably connected to the test piece fixing base plate, the test piece fixing base plate is connected to the chain through the connecting rod, the road surface test piece is continuously arranged on the chain, the chain wheel rotates to drive the chain, the test piece fixing base plate and the road surface test piece to move, when the operation enters a straight line stage, the road surface test piece is connected to form a straight road surface, the tire test piece is in contact with the straight road surface formed by the joint of the road surface test piece, and the movement of the road surface drives the tire test piece to rotate to simulate the working condition of the tire when the road surface runs;
3) the tire test piece is detachably connected to the tire frame through the wheel shaft, the tire test piece is fixedly connected with the wheel shaft, the wheel shaft is driven to rotate by the rotation of the tire test piece, and the brake and the torque sensor act on the wheel shaft to realize the collection of torque, braking and related data;
4) the load of the loading device is applied to the tire frame, the load is controlled by a computer, the load acts on the road surface through the tire, and the speed is the linear speed of the test piece, namely the vehicle speed, by controlling the rotating speed of the chain wheel;
5) installing a tire test piece to be tested and a road test piece, setting the running speed and the pressure of the tire test piece on the ground, starting a chain wheel, descending the tire test piece and loading after the chain wheel reaches the set speed and is stable, testing when the set speed and the set pressure are stable, testing torque, noise and dust, operating a brake installed on a wheel shaft to realize tire braking, and testing related to braking;
6) and after the test is finished, the display and control system displays and stores the test result, the tire test piece automatically returns to the original position, and all the operations are stopped.
Preferably, a spraying system is arranged in front of the tire test piece in the traveling direction of the tire test piece, and the device is opened to simulate rainy road conditions when a wet and slippery road surface needs to be tested.
The invention has the beneficial effects that:
the simulation test system can simulate real road surface, tires and interaction between the real road surface and the tires, allows different tire test pieces and road surface test pieces to be replaced according to test requirements, can adjust test parameters, can adjust tire load and running speed in a large range, can adjust road surface temperature and road surface humidity, can measure tire rolling resistance, can be combined with other auxiliary devices to test noise, dust, braking force and other items generated in a laboratory in different speeds, different loads, dry or rainy days, and promotes research on aspects such as safe skid resistance, noise reduction, wear resistance, comfort and the like of the tires and the road surface.
Drawings
FIG. 1 is a front view of a tire-road interaction simulation test system according to an embodiment of the present invention;
FIG. 2 is a side view of a tire-road interaction simulation test system according to an embodiment of the present invention;
FIG. 3 is a partial cross-sectional view of a tire specimen loading and measuring mechanism according to an embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of a simulated road surface mechanism according to an embodiment of the present invention;
fig. 5 is a view showing the connection of one of the road surface test pieces to the chain according to the embodiment of the present invention.
Description of reference numerals:
1. a tire specimen; 2. a tire test piece loading and measuring mechanism; 3. a housing; 4. a pavement test piece block; 5. a chain; 6. a sprocket; 7. a frame; 8. a tire frame; 9. a wheel axle; 10. a brake; 11. a torque sensor; 12. a brake frame; 13. a hydraulic device; 14. a base; 15. a sprocket frame; 16. a drive device; 17. a test piece fixing bottom plate; 18. a drive link; 19. a movable connecting rod.
Detailed Description
The invention is further described with reference to specific embodiments and accompanying drawings.
It is to be understood that the appended drawings are not to scale, but are merely drawn with appropriate simplifications to illustrate various features of the basic principles of the invention. Specific design features of the invention disclosed herein, including, for example, specific dimensions, orientations, locations, and configurations, will be determined in part by the particular intended application and use environment.
In the several figures of the drawings, identical or equivalent components (elements) are referenced with the same reference numerals.
As shown in fig. 1 and fig. 2, the simulation test system for interaction between a tire and a road surface according to the embodiment of the present invention includes a tire test piece 1, a tire test piece loading and measuring mechanism 2, a road surface test piece, and a simulation road surface mechanism.
The pavement test piece is composed of a plurality of pavement test piece blocks 4. The simulated road mechanism comprises a chain 5 and at least two chain wheels 6 arranged in rows in the transverse direction. The chain 5 is provided along the entire periphery formed by the sprockets 6 to drive the chain 5 jointly by the sprockets 6, on which a plurality of road test pieces 4 are detachably arranged in succession to simulate a real road surface (only a few road test pieces 4 and a part of the chain 5 on the upper side are shown in fig. 1 in a simplified manner, it being understood that the road test pieces and the chain form a closed loop around the sprockets 6). The tire test piece 1 is detachably connected in the tire test piece loading and measuring mechanism 2. The tire test piece loading and measuring mechanism 2 is installed above the simulated road surface mechanism through a rack 7, the tire test piece loading and measuring mechanism 2 comprises measuring equipment and a loading device used for driving the tire test piece to lift and applying load to the tire test piece, and the tire test piece is in contact with or separated from the road surface test piece through the loading device.
The road surface test piece and the tire test piece are detachably connected in the whole system, so that different tire test pieces and different road surface test pieces can be replaced according to test requirements. The road surface test piece is indoor shaping rut board, can adopt different to gather materials, pitch and different grades to join in marriage shaping rut board, realizes the transform on different road surfaces through changing the rut board. The change of different tires is realized by replacing tires (tires with different materials and different pattern structures).
The tire specimen 1 is lowered by the loading device to be in contact with a road specimen below, so that relative movement of a road and a tire during running of the automobile is simulated.
As shown in fig. 3, the tire specimen loading and measuring mechanism 2 further includes a tire carrier 8, an axle 9, and a brake 10. The measuring device is a torque sensor 11, the tire test piece 1 is rotatably connected in the tire frame 8 through the wheel shaft 9, the brake 10 is installed on one side of the tire test piece 1 in the axial direction through the brake frame 12, and the torque sensor 11 is installed between the tire test piece 1 and the brake 10.
In this example, the tire frame 8 is mounted in the frame 7 so as to be movable up and down by a guide rail. The loading device is a hydraulic device 13, the hydraulic device is positioned above the tyre frame 8, and a piston rod of the hydraulic device 13 is connected with the tyre frame 8 so as to apply load to the tyre frame 8. Of course, the hydraulic device may be replaced by other devices in the art, such as a manual or electric lead screw.
Different pressures can be applied to the tire test piece through the hydraulic device according to test requirements so that the tire test piece applies load (pressure of the tire acting on the road surface) to the road surface test piece, and the use conditions of vehicle tires with different loads on the road surface are simulated.
As shown in fig. 2, in this example, the simulated road surface mechanism further comprises a base 14, a sprocket frame 15 and a driving device 16. The chain wheel frame 15 is arranged on the base 14, and the chain wheel 6 is arranged in the chain wheel frame 15 and driven by the driving device 16; in the embodiment of fig. 2, the drive means 16 is of the motor-belt type, but it can also be of other types known in the art, for example a reduction gear directly connected to the pivot of the sprocket 6 by a coupling.
As shown in more detail in fig. 4 and 5, a plurality of road surface test pieces 4 are detachably connected to respective test piece fixing base plates 17, and the test piece fixing base plates 17 are connected to the chain 5 through a driving link 18 and a movable link 19 so as to move the road surface test pieces 4 by rotation of the chain. One end of a driving connecting rod 18 is fixedly connected with the chain 5, the other end of the driving connecting rod 18 is hinged with the test piece fixing base plate 17, a movable connecting rod 19 is composed of a first connecting rod and a second connecting rod which are hinged with each other, the other end of the first connecting rod, which is opposite to the end hinged with the second connecting rod, is hinged with the test piece fixing base plate, the other end of the second connecting rod, which is opposite to the end hinged with the first connecting rod, is fixedly connected with the chain, and thus three hinge points are formed between the test piece fixing base plate 17 and the chain 5, namely, the hinge point between the driving connecting rod and the test piece fixing base plate, the hinge point between the first connecting rod and the test piece fixing base plate of the movable connecting rod, and the. Through the structure, the clearance between any two pavement test pieces 4 in the straight part is as small as possible, and meanwhile, the pavement test pieces cannot interfere with each other when the circular arc part moves.
As shown in fig. 1, the sprocket 6 is externally provided with a cover 3, and the upper portion of the cover 3 is opened to expose the road surface test piece 4 on the upper portion of the sprocket 6 to be in contact with the tire test piece 1 and to shield the other portions of the apparatus from the outside so as not to discharge noise, dust and other foreign materials during the test to the outside and affect the environment.
In this example, two sprockets are provided, either one driving and one driven or both coupled to a drive means, to rotate the chain in different directions. As a specific example of the present invention, the length and the width of the pavement test piece are both 300mm, but the size of the pavement test piece may be specifically set as needed. The market research shows that the large-pitch chain with high speed and low noise has not been found in the market, the maximum pitch of the high-speed and low noise chain is 38.1mm at present after selection, and the road test piece with the size of 300mmX300mm needs to be researched and developed into a special structure to realize the circular motion by being driven by the chain. The above structure is finally selected by design (as shown in fig. 4 and 5). The chain with the length closest to 300mm is selected to be a unit, the chain drives the test piece fixing base plate and the pavement test piece block to move through the driving connecting rod, the test piece fixing base plate and the chain are in parallel linear motion in a linear stage, and when the test piece fixing base plate enters an arc stage, the three hinged points rotate correspondingly to smoothly pass through the arc stage. The road test piece blocks are continuously distributed over the entire chain by the test piece fixing base plate and the connecting rods (only a part of the road test piece is shown in fig. 1). Thereby simulating a real road surface.
In this embodiment, the simulation test system for interaction between the tire and the road surface further comprises a display and control system for controlling and displaying the test conditions and the test results.
In addition, other auxiliary devices can be added according to actual test requirements, for example, a spraying system can be added to spray water to the tire test piece and the road test piece so as to simulate the interaction between the tire and the road in rainy days.
The pavement test piece 4 forms a flat section between two sprockets 6 to simulate the condition of a pavement. Preferably, a supporting roller is arranged at the position opposite to the tire test piece at the lower side of the chain, so as to ensure that the chain 5 and the road test piece 4 do not move downwards due to the pressure of the tire test piece 1 when the tire test piece 1 is pressed down, thereby influencing the simulation effect.
The embodiment of the invention shows a structure arranged in a single row, wherein two chain wheels 6 are arranged, and a tire test piece 1 is arranged between the two chain wheels 6; the present invention is not limited to the above-described structure, but a structure having a plurality of rows, for example, a plurality of rows arranged in parallel, may be provided according to the principle of the present invention; and a plurality of sprockets 6 may be provided in each row, with a tire specimen 1 being provided between each two sprockets 6. In addition, other auxiliary devices can be arranged on different pavement test pieces 4 according to different conditions, so that the test efficiency is improved.
The method for testing by using the simulation test system for the interaction between the tire and the road surface specifically comprises the following steps:
1) preparing a pavement test piece block, wherein the pavement test piece block is prepared by a track forming machine by adopting a mold;
2) the road surface test piece is detachably connected to the test piece fixing base plate, the test piece fixing base plate is connected to the chain through the connecting rod, the road surface test piece is continuously arranged on the chain, the chain wheel rotates to drive the chain, the test piece fixing base plate and the road surface test piece to move, when the operation enters a straight line stage, the road surface test piece is connected to form a straight road surface, the tire test piece is in contact with the straight road surface formed by the joint of the road surface test piece, and the movement of the road surface drives the tire test piece to rotate to simulate the working condition of the tire when the road surface runs;
3) the tire test piece is detachably connected to the tire frame through the wheel shaft, the tire test piece is fixedly connected with the wheel shaft, the wheel shaft is driven to rotate by the rotation of the tire test piece, and the brake and the torque sensor act on the wheel shaft to realize the collection of torque, braking and related data;
4) the load of the loading device is applied to the tire frame, the load is controlled by a computer, the loading mode adopts mechanical or hydraulic pressure, the load acts on the road surface through the tire, and the speed is the linear speed of the test piece, namely the vehicle speed, realized by controlling the rotating speed of the chain wheel;
5) installing a tire test piece to be tested and a road test piece, setting the running speed and the pressure of the tire test piece on the ground, starting a chain wheel, descending the tire test piece and loading after the chain wheel reaches the set speed and is stable, testing when the set speed and the set pressure are stable, testing torque, noise and dust, operating a brake installed on a wheel shaft to realize tire braking, and testing related to braking;
6) and after the test is finished, the display and control system displays and stores the test result, the tire test piece automatically returns to the original position, and all the operations are stopped.
In addition, a spraying system is arranged in front of the tire test piece in the advancing direction of the tire test piece, and the device is opened when a wet and slippery road surface needs to be tested, so that the rainy-day road condition is simulated.
Specific examples are as follows:
1) preparing a sedan tire strip for testing, wherein the sedan tire strip is exquisite in GREEN-Max GREEN HP010 and 205/55R1691V in specification;
2) preparing 31 pavement rut test pieces, namely, grading type AC-13, selecting No. 90A road petroleum asphalt as a cementing material, selecting limestone as an aggregate, and enabling the 4.75mm passing rate to be 40%;
3) placing 31 pavement rut test pieces on a test piece fixing base plate, pressing the side surfaces of the test piece fixing base plate by using a test piece pressing plate, and fastening the test piece pressing plate on the test piece fixing base plate through two bolts to ensure that 31 pavement test pieces are continuously distributed on the whole chain;
4) mounting a tire on a tire hub, fixing the mounted tire on a wheel shaft, arranging external threads at two ends of the wheel shaft, placing the wheel shaft in a clamping groove on a wheel carrier, and tightly pressing two ends of the wheel shaft by nuts;
5) opening an operation interface, setting the tire loading force to be 400kg and the rotation speed of the road test piece to be 80 revolutions per minute;
6) starting a loading device to enable a tire to descend, enabling the tire to lightly contact with a road test piece, resetting contact force, clicking a pressurizing key, starting a chain wheel to enable the road test piece to rotate after the tire is loaded, testing torque, noise, dust and the like after the whole system stably runs for 10min and reaches set pressure and stable speed, operating a brake mounted on a wheel shaft to brake the tire, and testing related to braking;
7) and after the test is finished, the display and control system displays and stores the test result, the tire test piece automatically returns to the original position, and all the operations are stopped.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. The foregoing description is not intended to be exhaustive or to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable others skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications thereof. It is intended that the scope of the invention be defined by the following claims and their equivalents.
Claims (10)
1. A simulation test system for interaction between a tire and a road surface is characterized by comprising a tire test piece, a tire test piece loading and measuring mechanism, a road test piece and a simulation road surface mechanism, wherein the road test piece consists of a plurality of road test piece blocks, the simulation road surface mechanism comprises a chain and at least two chain wheels arranged in rows along the transverse direction, the chain is arranged along the peripheries of the chain wheels to drive the chain through the chain wheels, the road test piece blocks are detachably and continuously arranged on the chain to simulate the real road surface, the tire test piece is detachably connected in the tire test piece loading and measuring mechanism, the tire test piece loading and measuring mechanism is installed above the simulation road surface mechanism through a rack, the tire test piece loading and measuring mechanism comprises a measuring device and a loading device used for driving the tire test piece to lift and apply load to the tire test piece, the tire test piece is contacted with or separated from the road test piece through the loading device;
the simulated pavement mechanism further comprises a base, a chain wheel rack and a driving device, wherein the chain wheel rack is arranged on the base, and the chain wheel is arranged in the chain wheel rack and driven by the driving device; the plurality of pavement test piece blocks are respectively detachably connected to respective test piece fixing bottom plates, and the test piece fixing bottom plates are connected to the chains through connecting rods; the test piece fixing bottom plate is connected to the chain through a driving connecting rod and a movable connecting rod, and the driving connecting rod and the movable connecting rod are sequentially hinged to the bottom of the test piece fixing bottom plate along the rotating direction of the chain; the movable connecting rod is composed of a first connecting rod and a second connecting rod which are hinged with each other, the other end, opposite to one end hinged with the second connecting rod, of the first connecting rod is hinged with the test piece fixing bottom plate, and the other end, opposite to one end hinged with the first connecting rod, of the second connecting rod is fixedly connected with the chain.
2. The tire-road surface interaction simulation test system according to claim 1, wherein the tire specimen loading and measuring mechanism further comprises a tire frame, an axle through which the tire specimen is rotatably connected to the tire frame, and a brake installed on one side of the tire specimen in an axial direction through the brake frame, the torque sensor being installed between the tire specimen and the brake.
3. The tire-road surface interaction simulation test system according to claim 2, wherein the tire frame is mounted in the machine frame by a guide rail to be movable up and down.
4. The system for simulation testing interaction between a tire and a road surface as claimed in claim 3, wherein said loading device is a hydraulic device, said hydraulic device is located above said tire frame, and a piston rod of said hydraulic device is connected to said tire frame.
5. The tire-on-road interaction simulation test system according to claim 1, wherein the plurality of road test pieces are continuously distributed throughout the chain by the test piece fixing base plate and the connecting rod.
6. The system for simulation test of tire-road surface interaction according to claim 1, wherein a housing is provided outside the sprocket, and an upper portion of the housing is opened.
7. The tire-on-road interaction simulation test system of claim 1, further comprising a display and control system to control and display test conditions and test results.
8. The tire-road surface interaction simulation test system according to claim 1, further comprising a spray system for spraying water onto the tire test piece and the road surface test piece to simulate a rainy road surface.
9. A method for simulation testing interaction between a tire and a road surface, which is characterized by using the simulation testing system of any one of claims 1 to 7 for testing, comprising the following steps:
1) preparing a pavement test piece block, wherein the pavement test piece block is prepared by a track forming machine by adopting a mold;
2) the road surface test piece is detachably connected to the test piece fixing base plate, the test piece fixing base plate is connected to the chain through the connecting rod, the road surface test piece is continuously arranged on the chain, the chain wheel rotates to drive the chain, the test piece fixing base plate and the road surface test piece to move, when the operation enters a straight line stage, the road surface test piece is connected to form a straight road surface, the tire test piece is in contact with the straight road surface formed by the joint of the road surface test piece, and the movement of the road surface drives the tire test piece to rotate to simulate the working condition of the tire when the road surface runs;
3) the tire test piece is detachably connected to the tire frame through the wheel shaft, the tire test piece is fixedly connected with the wheel shaft, the wheel shaft is driven to rotate by the rotation of the tire test piece, and the brake and the torque sensor act on the wheel shaft to realize the collection of torque, braking and related data;
4) the load of the loading device is applied to the tire frame, the load is controlled by a computer, the load acts on the road surface through the tire, and the speed is the linear speed of the test piece, namely the vehicle speed, by controlling the rotating speed of the chain wheel;
5) installing a tire test piece to be tested and a road test piece, setting the running speed and the pressure of the tire test piece on the ground, starting a chain wheel, descending the tire test piece and loading after the chain wheel reaches the set speed and is stable, testing when the set speed and the set pressure are stable, testing torque, noise and dust, operating a brake installed on a wheel shaft to realize tire braking, and testing related to braking;
6) and after the test is finished, the display and control system displays and stores the test result, the tire test piece automatically returns to the original position, and all the operations are stopped.
10. The method as claimed in claim 9, wherein a spraying system is provided in front of the tire specimen in the traveling direction of the tire specimen, and the device is turned on to simulate rainy road conditions when testing on slippery road is required.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810948654.5A CN109060383B (en) | 2018-08-20 | 2018-08-20 | Simulation test system and method for interaction between tire and road surface |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810948654.5A CN109060383B (en) | 2018-08-20 | 2018-08-20 | Simulation test system and method for interaction between tire and road surface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109060383A CN109060383A (en) | 2018-12-21 |
| CN109060383B true CN109060383B (en) | 2020-10-02 |
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| NL2027512B1 (en) * | 2020-12-03 | 2022-07-06 | Univ China Geosciences | Device For Realizing Ground Vehicle Load Simulation In Physical Model Test |
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| CN111397920B (en) * | 2020-03-30 | 2021-12-07 | 科士恩科技(上海)有限公司 | Intelligent simulation test system for automobile tire production and manufacturing |
| CN111397922B (en) * | 2020-04-09 | 2021-12-17 | 科士恩智能科技(上海)有限公司 | Intelligent test system and test method for physical performance of automobile tire manufacturing |
| CN111521409A (en) * | 2020-04-30 | 2020-08-11 | 金瓜子科技发展（北京）有限公司 | Life testing device |
| CN111780996B (en) * | 2020-08-06 | 2022-03-01 | 重庆广播电视大学重庆工商职业学院 | Tire comprehensive wear performance test system |
| CN111929186B (en) * | 2020-08-06 | 2023-06-06 | 重庆广播电视大学重庆工商职业学院 | Tire wear performance test system |
| CN111780997B (en) * | 2020-08-06 | 2022-05-06 | 重庆广播电视大学重庆工商职业学院 | Tire testing device |
| CN112213121A (en) * | 2020-09-08 | 2021-01-12 | 安徽千禧精密轴承制造有限公司 | Automobile tire wear detection experiment table |
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