摘要
二轮摩托车轮胎接地面积很小,其接地性能直接影响车辆的动力性、制动性以及操纵稳定性。针对这一问题,对摩托车轮胎胎冠进行了仿生设计。利用WALKWAY压力分布测试系统和3D激光扫描仪对猫爪的动态接地特性及拓扑进行研究,发现猫前爪第三趾枕具有优异的抓地性能。基于第三趾枕横截面拟合曲线采用相似原理对轮胎胎冠进行了仿生设计。利用ABAQUS对轮胎进行静载、驱动、制动及转向接地状态仿真分析。结果表明:不同工况下,仿生轮胎胎冠接地面积增大,接地压力分布均匀性提高,轮胎的抓地及耐磨性能都得到提升。仿生轮胎提高了摩托车的动力性、制动性以及操纵稳定性。
The contact patch area of the two-wheel motorcycle tire is small,which directly affects the accelerating,braking and handling stability of the motorcycle.To resolve this problem,bionic design method was carried out on the crown of motorcycle tires.The dynamic grounding characteristics and topology of the cat-paw pads were investigated using a pressure-sensitive WALKWAY system and 3D laser scanner.Results of tests manifested that the third toe pad of cat forepaw had excellent grip performance.According to the similar principle,the tire crown was bionic designed based on the cross-section fitting curve of the third toe pad.The grounding characteristics of specimen and bionic designed tire were simulated for static,accelerating,braking and steering working conditions by ABAQUS.Comparison results expressed that bionic designed tire increased the grounding area and improved the uniformity of the pressure distribution under different working conditions,which enhanced the grip performance and wear resistance of the tire.Bionic designed tires enhance the accelerating,braking and handling stability of motorcycle.
作者
李亚龙
刘从臻
苑阳
李永强
孙运芬
Li Yalong;Liu Congzhen;Yuan Yang;Li Yongqiang;Sun Yunfen(School of Transportation and Vehicle Engineering,Shandong University of Technology,Shangdong Zibo 255000,China)
出处
《机械科学与技术》
CSCD
北大核心
2020年第10期1505-1510,共6页
Mechanical Science and Technology for Aerospace Engineering
基金
国家自然科学基金项目(51875327)
山东省自然科学基金项目(ZR2018LE010)资助。
关键词
摩托车
轮胎胎冠
接地性能
仿生设计
仿真分析
motorcycle
tire crown
grounding performance
bionic design
simulation analysis
作者简介
李亚龙(1990−),硕士研究生,研究方向为车辆系统动力学,513599266@qq.com;通信作者:刘从臻,副教授,硕士生导师,lcz200811@163.com。
