动力总成悬置系统防扭拉杆等效刚度的计算与应用  

Equivalent Stiffness Determination for Torque Strut of Powertrain Mounting System and Its Application

作　　者：张伟[1] 黄振磊 胡培龙[1] 上官文斌[1] 

机构地区：[1]华南理工大学 [2]宁波拓普集团股份有限公司

出　　处：《汽车技术》2012年第12期40-43,共4页Automobile Technology

摘　　要：建立了防扭拉杆在动力总成悬置系统固有频率计算中的模型,推导了其等效刚度的计算公式。该防扭拉杆静刚度的公式计算值、有限元计算值和实测值的对比验证了所推导计算公式的正确性。以一具有防扭拉杆的汽车动力总成悬置系统为例,利用ADAMS软件和所计算出的防扭拉杆等效刚度对其固有频率进行了计算。计算结果和与试验结果的对比验证了本文防扭拉杆模型的正确性。A model for calculating natural frequency of torque strut in powertrain mounting system,the formula for determining equivalent stiffness of torque strut is derived.The comparison between calculated values with the above formula,FE calculated value and measures value of this torque strut static stiffness proves validity of the derived formula.This paper takes vehicle powertrain mounting system equipped with torque strut as example and uses ADAMS software and the calculated torque strut equivalent stiffness to calculate its natural frequency.The comparison between the calculated results and test results proves validity of the torque strut presented in the paper.

关 键 词：动力总成悬置系统 防扭拉杆 等效刚度计算 

分 类 号：U464[机械工程—车辆工程]