复合式悬架计算与设计

Computation and Design of Compound Air Suspension

对采用新型单片Z字型变截面钢板弹簧的复合式空气悬架进行了刚度分析,从理论上验证了其可行性。给出了复合式空气悬架结构的设计实例,利用UG NX进行Z型钢板弹簧的三维建模,利用HYPER MESH对空气悬架所采用的新型Z型钢板弹簧进行网格划分并应用Patran对其进行有限元分析,确定了钢板弹簧在极限载荷下的应力和应变状态。通过刚度分析,得到了钢板弹簧不同阶次对应频率下的振型。

In this paper,stiffness analysis is made to the compound air suspension which is equipped with new type single Z-shaped tapered leaf spring,theoretical feasibility is validated.Design case of such compound air suspension structure is given,and UG NX is utilized for 3D modeling of the Z-shaped leaf spring,and HYPER MESH is utilized in the lattice dividing of the new leaf spring and Patran is used for finite element analysis,which defines stress and strain status of leaf spring in the limit load.By stiffness analysis,vibration mode of leaf spring in different order corresponding frequency is obtained.