CN101886983A - Tire motion characteristic simulation system - Google Patents
Tire motion characteristic simulation system Download PDFInfo
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- CN101886983A CN101886983A CN 201010196476 CN201010196476A CN101886983A CN 101886983 A CN101886983 A CN 101886983A CN 201010196476 CN201010196476 CN 201010196476 CN 201010196476 A CN201010196476 A CN 201010196476A CN 101886983 A CN101886983 A CN 101886983A
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Abstract
The invention discloses a tire motion characteristic simulation system. The system comprises an underframe, a horizontal transparent glass circular disk and one or more simulation suspensions, wherein the horizontal transparent glass circular disk and one or more simulation suspensions are arranged above the underframe; the simulation suspension comprises a frame, a bracket, a loading mechanism, a simulation tire and a rotating shaft; the loading mechanism is arranged at the front part of the frame through a loading mechanism connecting pin; the simulation tire is rotatably arranged at the rear part of the frame through an axle; and one side of the axle is provided with a grating disk, while the other side is provided with a brake disk. The system simulates the load during the running of a vehicle and the state of the friction force by using the simulation suspension and a road surface simulation device which can be loaded accurately. The space for experimental equipment is reduced through a rotating disc type simulated road surface. By arranging a transparent rotating disc and a camera, the system has the advantages of dynamically recording and analyzing the change situation of a contact surface of the tire under different stressing conditions and more directly obtaining the actual change situation of the tire during the running of the vehicle.
Description
Technical field
The invention belongs to automobile emulation experiment field, specifically under the different loads condition in the vehicle ' process, the variation of tire and ground contact surface dynamic observe the automobile simulating experimental system of measuring with car speed, tyre skidding rate.
Background technology
In the vehicle ' process,, form a surface of contact in ground because the combined action of load and driving force deforms tire.Driving force from engine acts on ground by this surface of contact, and equal and opposite in direction of tire, counter-force that direction is opposite are given in ground, and this power powered vehicle travels forward.The stressing conditions of vehicle ' has direct relation in the state of the surface of contact of tire and ground formation.The variation of tire force state causes its shape also to change, and therefore obtaining tire surface of contact multidate information is to obtain the most direct method of vehicle running state.
Current, the measurement of vehicle ' system dynamic characteristic is by the measurement and the experiment of the emulation experiment platform realization stress of automotive suspension matter emulation testing table or equivalence, and analysis means also only relates to the kinematic behavior and the vibrant characteristic of pilot system.And its experiment data acquisition does not all have directly tire surface of contact change shape to be carried out.
The tire in the motion and the shape of ground contact surface are dynamic changes, and the condition restriction during owing to vehicle ' can't directly be measured it.Current, the dynamic property of tire and stress method by experiment obtain, and estimate by special computing formula (as " magic equation ").In the vehicle actual moving process, the measurement of the variation of tire and ground contact surface, analysis, and with the measurement of the relation of tyre skidding rate, still do not have effective experimental technique.
The present invention is directed to foregoing problems, propose a kind of simulating experimental system; This system can the emulation tire load, driving force and the resistance in the motion process on the ground, and the dynamic change of the rotating speed of tire and slip rate.
Summary of the invention
The present invention is directed to the problems referred to above a kind of tire motion characteristic simulation system be provided, this system can the emulation tire motion process on the ground.
The technical scheme that adopts:
A kind of tire motion characteristic simulation system of the present invention, comprise underframe, be arranged at the one or more simulated suspensions of horizontal clear glass disk of underframe top, motor and ccd image acquisition system, described motor is fixed on the described framework by support of motor, described horizontal clear glass disk is installed on the power output shaft of described motor, described simulated suspension, comprise framework, support, load maintainer, the simulation tire, rotation axis, described framework is installed on the described support by bearing pin, described load maintainer is installed in the front portion of described framework by the load maintainer connecting pin, described simulation tire changes the rear portion that is located at described framework by wheel shaft, one side of described wheel shaft is equiped with the grating dish, another side of described wheel shaft is equiped with brake disc, the side of described grating dish is provided with the raster count device, described brake disc side is provided with detent, described brake disc and raster count device are fixed on the described framework by fixed mount respectively, described ccd image acquisition system is positioned at the clear glass disk top that horizontally rotates, and is fixed by stand.
Load when the present invention utilizes the simulated suspension that can accurately load and simulated roadway device simulating vehicle to travel respectively and the situation of friction force.And the space of having reduced experimental facilities by the simulated roadway of rotating disc type.By transparent rotating disk and camera are set, can the different stress conditions of dynamically recording under the situation of change of tire surface of contact analyzed, more directly obtain vehicle in the process of moving, the real change situation of tire.If cancel camera, change the rotating disk of different convex-concave degree, and the load in the simulated suspension is replaced with force cell, system then can realize vehicle dynamic simulation test bed at different road travelings equally.
Description of drawings
Fig. 1 is the structural representation of first kind of embodiment of the present invention.
Fig. 2 is the structural representation of simulated suspension of the present invention.
Fig. 3 is the structural representation of second kind of embodiment of the present invention.
Fig. 4 is the structural representation of the third embodiment of the present invention.
Embodiment
Embodiment one
A kind of tire motion characteristic simulation system of the present invention, comprise underframe 1, be arranged at the horizontal clear glass disk 3 of underframe 1 top, simulated suspension 2, motor 4, rotation axis 5, electric machine support 6, motor 4 is fixed on the underframe 1 by support of motor 6, rotation axis 5 is fixedlyed connected with the power output shaft of motor 4, horizontal clear glass disk 3 is installed on the rotation axis 5, simulated suspension 2, comprise framework 7, support 8, load maintainer 9, simulation tire 10, transmission shaft 11, framework 7 is installed on the support 8 by bearing pin, load maintainer 9 is installed in the front portion of framework 7 by load maintainer connecting pin 12, simulation tire 10 is installed in the rear portion of framework 7 by wheel shaft 13, one side of wheel shaft 13 is equiped with grating dish 14, another side of wheel shaft 13 is equiped with brake disc 15, the side of grating dish 14 is provided with raster count device 16, brake disc 15 sides are provided with detent 17, brake disc 15 and raster count device 16 are fixed on the framework 7 by fixed mount 18 respectively, the ccd image acquisition system is positioned at horizontal clear glass disk top, and is fixed by stand.The top be provided with CCD image acquistion system 19, the CCD image acquistion system is fixed in the stand 20 on underframe 1 next door.
In the experimentation, on load maintainer 9, add the counterweight of specified weight, be used to simulate the static load that tire is subjected to.Load is passed on the simulation tire 10 by underframe 1, makes it produce distortion at the surface of contact place, can observe and write down the situation that surface of contact changes above horizontal clear glass disk 3 clearly.Horizontal clear glass disk 3 rotates under the drive of motor 4, the speed that simulating vehicle travels.Simulation tire 10 leads brake disc 15 and grating dish 14 to rotate around wheel shaft 13 under the drive of friction force.Computer control detent 17 acts on brake disc 15, and reads and write down rotational speed from raster count device 16.
Vehicle accelerated motion and on-position are to be realized by the rotating speed of computer control motor 4 and detent 17 actions.Can produce the compound motion that slides and rotate between simulation tire 10 and the clear glass disk 3, in order to the actual conditions of simulation tire motion.
Embodiment two
Embodiment two is the two-wheel testing table, sees Fig. 3, two simulated suspensions 2 of symmetric arrangement and two CCD image acquistion systems 19.Can gather two circuit-switched data under the same conditions simultaneously.By adjusting the distance of the simulation tire distance axis heart, simulate the differential motion in the turn inside diameter driving process.
Embodiment three
Embodiment three is the four-wheel testing table, sees Fig. 4, and embodiment three is that symmetry is installed four simulated suspensions 2 and four ccd image acquisition systems 19 with the difference of embodiment one.This kind layout.Can gather four road signals simultaneously.The motion state of emulation four-wheel car.
Embodiment four high strength testing tables
In order to improve load, clear glass disk 3 can be replaced to high-intensity material, as ABS engineering plastics or resin.And the disc surfaces of new material can be made different roughness or shape, is used to simulate the road surface on different coefficients of friction and surface.In order to observe the situation of change of surface of contact, the optical imagery acquisition system can replace to the ultrasonic image-forming system that can penetrate opaque material.
Claims (1)
1. tire motion characteristic simulation system, comprise underframe, be arranged at the one or more simulated suspensions of horizontal clear glass disk of underframe top, motor and ccd image acquisition system, it is characterized in that described motor is fixed on the described framework by support of motor, described horizontal clear glass disk is installed on the power output shaft of described motor, described simulated suspension, comprise framework, support, load maintainer, the simulation tire, rotation axis, described framework is installed on the described support by bearing pin, described load maintainer is installed in the front portion of described framework by the load maintainer connecting pin, described simulation tire changes the rear portion that is located at described framework by wheel shaft, one side of described wheel shaft is equiped with the grating dish, another side of described wheel shaft is equiped with brake disc, the side of described grating dish is provided with the raster count device, described brake disc side is provided with detent, described brake disc and raster count device are fixed on the described framework by fixed mount respectively, described ccd image acquisition system is positioned at the clear glass disk top that horizontally rotates, and is fixed by stand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010196476 CN101886983A (en) | 2010-06-10 | 2010-06-10 | Tire motion characteristic simulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010196476 CN101886983A (en) | 2010-06-10 | 2010-06-10 | Tire motion characteristic simulation system |
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| CN101886983A true CN101886983A (en) | 2010-11-17 |
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| CN 201010196476 Pending CN101886983A (en) | 2010-06-10 | 2010-06-10 | Tire motion characteristic simulation system |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102509150A (en) * | 2011-11-03 | 2012-06-20 | 广州市图之灵计算机技术有限公司 | Photoelectric integral wheel axle counter and counting method thereof |
| CN102607842A (en) * | 2011-12-21 | 2012-07-25 | 吉林大学 | Multi-operating condition extreme load testing system and method for wheel loader transmission system |
| CN103983440A (en) * | 2014-04-30 | 2014-08-13 | 珠海格力电器股份有限公司 | Caster wheel detection equipment and operation method thereof |
| CN104729863A (en) * | 2015-04-15 | 2015-06-24 | 吉林大学 | Multifunctional road detection device and test method for tires |
| CN105241673A (en) * | 2015-11-11 | 2016-01-13 | 黄河科技学院 | Compressor refrigeration type electric unicycle endurance capability testing device |
| CN105241672A (en) * | 2015-11-11 | 2016-01-13 | 黄河科技学院 | Electric unicycle mileage and climbing test device |
| CN105258955A (en) * | 2015-11-11 | 2016-01-20 | 黄河科技学院 | Suspension-type self-balance vehicle performance test device |
| CN105352526A (en) * | 2015-11-11 | 2016-02-24 | 黄河科技学院 | Self-balancing electric unicycle magnetic suspension type mileage test device |
| CN105388022A (en) * | 2015-11-11 | 2016-03-09 | 黄河科技学院 | Self-balance vehicle performance test device having dynamic sealing structure |
| CN107576863A (en) * | 2017-06-05 | 2018-01-12 | 上海大学 | The safe simulation experiment system of vehicle power |
| CN111247412A (en) * | 2018-09-21 | 2020-06-05 | 株式会社爱安德 | Tire testing device |
| CN111780962A (en) * | 2020-08-06 | 2020-10-16 | 东莞市励骏高分子材料有限公司 | Method for testing wear resistance of trolley case travelling wheel on simulation of multi-path surface |
| CN111829794A (en) * | 2020-06-05 | 2020-10-27 | 浙江工业大学 | Vehicle wheel simulation device for warehouse logistics |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102509150A (en) * | 2011-11-03 | 2012-06-20 | 广州市图之灵计算机技术有限公司 | Photoelectric integral wheel axle counter and counting method thereof |
| CN102607842A (en) * | 2011-12-21 | 2012-07-25 | 吉林大学 | Multi-operating condition extreme load testing system and method for wheel loader transmission system |
| CN102607842B (en) * | 2011-12-21 | 2014-07-09 | 吉林大学 | Multi-operating condition extreme load testing system and method for wheel loader transmission system |
| CN103983440A (en) * | 2014-04-30 | 2014-08-13 | 珠海格力电器股份有限公司 | Caster wheel detection equipment and operation method thereof |
| CN104729863B (en) * | 2015-04-15 | 2017-03-08 | 吉林大学 | Multifunctional tire road detection apparatus and its method of testing |
| CN104729863A (en) * | 2015-04-15 | 2015-06-24 | 吉林大学 | Multifunctional road detection device and test method for tires |
| CN105241673A (en) * | 2015-11-11 | 2016-01-13 | 黄河科技学院 | Compressor refrigeration type electric unicycle endurance capability testing device |
| CN105241673B (en) * | 2015-11-11 | 2020-09-01 | 黄河科技学院 | Compressor refrigeration type electric monocycle endurance testing device |
| CN105352526A (en) * | 2015-11-11 | 2016-02-24 | 黄河科技学院 | Self-balancing electric unicycle magnetic suspension type mileage test device |
| CN105388022A (en) * | 2015-11-11 | 2016-03-09 | 黄河科技学院 | Self-balance vehicle performance test device having dynamic sealing structure |
| CN105241672A (en) * | 2015-11-11 | 2016-01-13 | 黄河科技学院 | Electric unicycle mileage and climbing test device |
| CN105352526B (en) * | 2015-11-11 | 2020-09-18 | 黄河科技学院 | Magnetic suspension type mileage testing device of self-balancing electric unicycle |
| CN105388022B (en) * | 2015-11-11 | 2020-09-11 | 黄河科技学院 | Self-balancing vehicle performance testing device with dynamic sealing structure |
| CN105258955A (en) * | 2015-11-11 | 2016-01-20 | 黄河科技学院 | Suspension-type self-balance vehicle performance test device |
| CN107576863A (en) * | 2017-06-05 | 2018-01-12 | 上海大学 | The safe simulation experiment system of vehicle power |
| CN107576863B (en) * | 2017-06-05 | 2024-04-19 | 上海大学 | Vehicle power safety simulation test system |
| CN111247412A (en) * | 2018-09-21 | 2020-06-05 | 株式会社爱安德 | Tire testing device |
| CN111247412B (en) * | 2018-09-21 | 2021-10-29 | 株式会社爱安德 | Tire testing device |
| CN111829794A (en) * | 2020-06-05 | 2020-10-27 | 浙江工业大学 | Vehicle wheel simulation device for warehouse logistics |
| CN111780962A (en) * | 2020-08-06 | 2020-10-16 | 东莞市励骏高分子材料有限公司 | Method for testing wear resistance of trolley case travelling wheel on simulation of multi-path surface |
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Open date: 20101117 |