目 录中文摘要··························································1英文摘要··························································11 绪论····························································21.1 简介···························································21.2 汽车转向系统现状···············································31.3 课题研究内容···················································41.4 本章小结·······················································52 液压助力转向器方案及确定········································52.1 转向系的分析及选择·············································52.2 转向器的选择···················································72.2.1 齿轮齿条式转向器··············································72.2.2 循环球式转向器················································82.2.3 蜗杆滚轮式转向器··············································92.2.4 蜗杆指销式转向器··············································93 齿轮齿条式液压助力转向器工作原理································93.1 工作原理·······················································103.2 工作过程·······································...
