变速器齿轮轴变形对齿轮接触状态的影响.pdfVIP

汽车工程 2012 年(第 34 卷)第2 期 AutomotÌve Engineering 2012( Vol. 34) No. 2 2012028 变速器齿轮轴变形对齿轮接触状态的影响* 李杰l ，张磊2 ，赵旗1 ，黄朝胜3 (1.吉林大学，汽车仿真与控制国家重点实验室，长春 13∞25; 2. 北京航天发射技术研究所，北京 10ω76; 3. 中国第一汽车集团公司技术中心，长春 13∞11) [摘要] 建立了变速器齿轮与齿轮轴系统的有限元模型，并对其进行有限元分析，以计算齿轮轴变形和轮齿 接触应力，分析变速器齿轮轴变形对齿面接触状态的影响。通过与经典方法计算结果的比较，表明所建立的齿轮与 齿轮轴系统有限元模型，不但可准确计算齿轮轴变形和齿面接触应力，且能综合分析齿轮铀变形对齿面接触区域的 载荷分布、轮齿间载荷分配和齿面接触应力的影响，为更全面、精确分析变速器齿轮的齿面接触状态初载荷分布，预 测齿轮疲劳寿命提供依据。 关键词:变速器;齿轮轴;变形;齿轮;接触应力 The Effects of Gear Shaft Deformation on Gear Contact State in Transmission Li Jie 1 , Zhang Lei2 , Zhao Qi 1 Huang Chaosheng3 1. Jilin University , State Key Laborarory 0/Alåomobile Simulation and Control , Changchun 13∞25; 2. Beijing InstÍ!1山 0/ Space Lanch Tecnology , B吨ii，喀 100076; 3. FAW 命oup Technology Center , Changchun 13∞11 [ AbstractJ A finite element model for the gear and shaft systerm is developed , on which a finite element a- nalysis is conducted to calculate the deformation of gear shaft and the contact s忧ess of ge町 teeth ， and analyze the effects of ge町 shaft deformation on the contact state of teeth surfaces. Through comparing the results with that of cal- culation by classical method , it is shown that using the finite element model bui1t can not only calculate shaft de- formation and teeth contact stress , but also comprehensively analyze the effect of shaft defo口nation on the load distri- butions in teeth contact area and between teeth as well 嗣 the contact stresses of teeth surfaces , providing bases for more thoroughly and accurately analyze the teeth surface contact state and load d