橡胶预压缩对弹性车轮力学特性的影响  

Influence of Pre-Compression on the Mechanical Characteristics of Resilient Wheels

作　　者：张勇[1] 田承春 杨冠男 黄理华 刘水长[1] ZHANG Yong;TIAN Chengchun;YANG Guannan;HUANG Lihua;LIU Shuichang(School of Mechanical Engineering,Hunan University of Technology,Zhuzhou Hunan 412007,China)

机构地区：[1]湖南工业大学机械工程学院,湖南株洲412007

出　　处：《湖南工业大学学报》2025年第5期24-30,共7页Journal of Hunan University of Technology

基　　金：国家自然科学基金资助项目(52372352);湖南省自然科学基金资助项目(2023JJ50192);湖南省人才托举工程-中青年优秀科技人才培养计划基金资助项目(2023TJ-Z16)。

摘　　要：为探究橡胶预压缩对弹性车轮强度与刚度的影响,基于Mooney-Rivilin模型,建立考虑橡胶预压缩的弹性车轮有限元模型与不考虑橡胶预压缩的弹性车轮有限元模型,参考国际标准,对两模型分别进行强度与刚度计算,并结合试验对弹性车轮刚度仿真进行了验证。研究结果表明:考虑预压缩时,车轮轮毂、轮芯、橡胶和安装环的危险系数分别为0.07,0.31,0.70,0.34,其整体刚度为167.22 kN/mm;不考虑预压缩时,车轮轮毂、轮芯、橡胶和安装环的危险系数分别为0.07,0.04,0.19,0.004,其整体刚度为49.85 kN/mm;经弹性车轮刚度试验得其刚度值为185.19 kN/mm,与考虑预压缩时的弹性车轮刚度相对误差仅为9.7%。In view of an investigation of the effect of rubber pre-compression on the strength and stiffness of resilient wheels,based on Mooney-Rivilin model,a finite element model of resilient wheels,which takes into consideration of the rubber precompression,as well as an resilient wheel finite element model without considering rubber pre-compression,have thus been established.By referring to international standards,strength and stiffness calculations are carried out for both models,with the stiffness simulation of resilient wheels to be verified through experiments.The results show that with pre-compression taken into consideration,the risk factors of wheel tire,wheel core,rubber and mounting ring are 0.07,0.31,0.70 and 0.34 respectively,with an overall stiffness of 167.22 kN/mm.While without considering pre-compression,the risk factors of wheel tire,wheel core,rubber and mounting ring are 0.07,0.04,0.19 and 0.004 respectively,with an overall stiffness of 49.85 kN/mm.Based on the resilient wheel stiffness test,its stiffness value is 185.19 kN/mm,with a relative error of only 9.7%compared to the resilient wheel stiffness with precompression taken into consideration.

关 键 词：弹性车轮 安全性 橡胶预压缩 强度 刚度 

分 类 号：TH16[机械工程—机械制造及自动化] U270.11[机械工程—车辆工程]