基于ANSYS的桥梁检测车回转平台有限元分析及结构优化

Finite element analysis and optimization for rotating platform of bridge inspection vehicles based on ANSYS

回转平台是桥梁检测车中的主要部件之一,具有钢结构和受力情况复杂的特点,对桥梁检测车的整机性能具有重要影响。运用大型有限元分析软件ANSYS,对某型号桥梁检测车的回转平台进行强度和刚度分析,得到回转平台应力和应变分布情况。然后以上述分析结果为基础,从转台结构形式和结构几何参数着手,对回转平台进行结构优化。有限元计算结果表明:经过优化后,回转平台整体应力分布得到改善,最大等效应力降低42.269%,最大变形量减小6.191%,结构自重减轻8.039%,回转平台综合性能得到大幅提升。

Rotating platform,with complicated construction as well as load condition, is one of the key components of bridge inspection vehicles ,and has an important effect on the performance of bridge in- spection vehicles.It conducts analysis of the strength and rigidity of a certain type rotating platform using the ANSYS finite element software, and the structural optimization far the rotating platform, is finished bas- ing on that analysis results.Finite element analysis results show that,compared with original designs ,the op- timized structure can ameliorate the whole stress distribution, and the combination property of rotating plat- form is improved immensely,with the maximum yon mises decreased by 42.269% and maximum deforma- tions by 6.191% as well as deadweight lightened by 8.039%.