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仿猫爪掌垫子午线轮胎胎冠设计

刘从臻 李永强 孙运芬 谢孟雨 徐成伟

刘从臻, 李永强, 孙运芬, 谢孟雨, 徐成伟. 仿猫爪掌垫子午线轮胎胎冠设计[J]. 机械科学与技术, 2022, 41(2): 186-191. doi: 10.13433/j.cnki.1003-8728.20200323
引用本文: 刘从臻, 李永强, 孙运芬, 谢孟雨, 徐成伟. 仿猫爪掌垫子午线轮胎胎冠设计[J]. 机械科学与技术, 2022, 41(2): 186-191. doi: 10.13433/j.cnki.1003-8728.20200323
LIU Congzhen, LI Yongqiang, SUN Yunfen, XIE Mengyu, XU Chengwei. Crown Design of Radial Tire Bio-inspired by Cat Paw Pads[J]. Mechanical Science and Technology for Aerospace Engineering, 2022, 41(2): 186-191. doi: 10.13433/j.cnki.1003-8728.20200323
Citation: LIU Congzhen, LI Yongqiang, SUN Yunfen, XIE Mengyu, XU Chengwei. Crown Design of Radial Tire Bio-inspired by Cat Paw Pads[J]. Mechanical Science and Technology for Aerospace Engineering, 2022, 41(2): 186-191. doi: 10.13433/j.cnki.1003-8728.20200323

仿猫爪掌垫子午线轮胎胎冠设计

doi: 10.13433/j.cnki.1003-8728.20200323
基金项目: 

山东省自然科学基金项目 51875327

国家自然科学基金项目 ZR2018LE010

详细信息
    作者简介:

    刘从臻(1979-), 副教授, 硕士生导师, 研究方向为轮胎力学性能分析与优化设计, lcz200811@163.com

  • 中图分类号: U463.3

Crown Design of Radial Tire Bio-inspired by Cat Paw Pads

  • 摘要: 为缓解轮胎抓地与磨损性能间的固有矛盾,以某205/55R16乘用车子午线轮胎为研究对象,对轮胎胎冠进行仿生设计。采用WALKWAY压力测试系统获取猫前爪动态接地特性,并配合3D激光扫描仪进行逆向拓扑。对猫爪掌垫横截面点云进行多项式拟合并采用相似原理对胎冠进行仿生设计。利用ABAQUS建立模型,对比仿生胎与样胎静载、制动、侧偏工况下接地面积与压力分布。结果表明:仿生轮胎设计可有效增大接地面积,降低峰值接地压力,改善轮胎偏磨损现象,实现轮胎抓地与磨损性能协同提升。
  • 图  1  试验台原理图

    图  2  地面垂直反力变化曲线

    图  3  猫爪接地面积变化曲线

    图  4  猫前爪各部位反力变化曲线(1.34 m/s)

    图  5  点云处理过程

    图  6  猫爪掌垫点云横截面拟合曲线

    图  7  仿生胎冠弧设计示意图

    图  8  静态加载试验

    图  9  载荷-下沉量曲线

    图  10  静负荷下接地印迹形状

    图  11  轮胎静载接地压力分布

    图  12  轮胎制动接地压力分布

    图  13  样胎稳态侧偏接地压力分布

    图  14  仿生轮胎稳态侧偏接地压力分布

    表  1  加强筋材料属性

    Rebar材料 杨氏模量/GPa 泊松比 密度/(kg·m-3) 角度/(°)
    1#带束层钢丝 105.9 0.29 7 800 66
    2#带束层钢丝 105.9 0.29 7 800 114
    胎体帘线层 5.25 0.30 1 350 0
    下载: 导出CSV

    表  2  接地印迹试验与仿真数值

    接地参数 试验值 仿真值 相对误差/%
    长轴长度/mm 151.70 148.67 2.0
    短轴长度/mm 117.04 114.19 2.4
    印迹面积/cm2 156.73 150.96 3.7
    下载: 导出CSV

    表  3  轮胎制动接地参数

    方案 抓地力/N 接地压力/MPa 接地压力标准差/MPa 接地面积/cm2
    样胎 3 511 0.682 70 0.139 72 151.93
    仿生轮胎 3 537 0.609 40 0.129 03 155.32
    差值/% 0.7 -10.8 -7.7 2.2
    下载: 导出CSV

    表  4  轮胎稳态侧偏接地数据

    侧偏角度 侧偏力/N 峰值接地压力/MPa 接地压力标准差/MPa 接地面积/cm2
    样胎 仿生轮胎 差值 样胎 仿生轮胎 差值 样胎 仿生轮胎 差值 样胎 仿生轮胎 差值
    626 631 0.8% 5.903 5 5.285 2 -10.5% 0.1272 0.118 6 -6.8% 148.87 152.60 2.5%
    1 190 1 207 1.4% 6.357 4 5.716 9 -10.1% 0.133 2 0.128 4 -3.6% 139.20 143.34 3.0%
    1 760 1 791 1.8% 6.793 9 6.031 1 -11.2% 0.160 4 0.154 1 -3.9% 144.19 149.34 3.6%
    2 086 2 134 2.3% 7.222 2 6.716 2 -7.0% 0.171 1 0.166 6 -2.6% 141.27 149.58 5.9%
    下载: 导出CSV
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出版历程
  • 收稿日期:  2020-08-01
  • 刊出日期:  2022-02-25

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