根据磁流变减振器的工作原理,提出一种汽车磁流变减振器的机械结构。利用FEM方法寻求机械结构的薄弱环节,优化了磁流变减振器的机械结构,并对其静态和动态特性进行了分析。优化前后对比结果表明,减振器的振动幅度减小35%左右,为新型磁流变液减振器的设计奠定了基础。 According to the working principle of MR damper, a mechanical structure of MR damper is proposed. Finding the weak points of mechanical structure by FEM method, the mechanical structure of MR damper is optimized and its static and dynamic characteristics are analyzed. The results of comparison before and after optimization show that the vibration amplitude of the shock absorber is reduced by about 35%, which lays the foundation for the design of the new type of MR fluid absorber.