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为解决桥梁检测车新品研发中,翻转架设计超重8%,且刚度略显不足的问题,建立桥梁检测车上车机构有限元模型,分析计算其极限工况下的整体刚度。基于拓扑优化设计理论,应用HyperWorks软件建立翻转架拓扑计算模型,并进行拓扑分析获取翻转架的承载骨架。基于拓扑优化结果,结合部件实际应用功能,设计新型桥检车翻转架结构,该结构在重量降低10%的基础上,使得上车机构整体刚度提升6.2%,有效解决轻量化与结构刚度提升的设计矛盾。
In order to solve the problem of new design of bridge inspection vehicle, the design of the turnover frame is over 8% and the rigidity is slightly insufficient. The finite element model of the vehicle on the bridge inspection vehicle is established and the overall stiffness under the limit condition is analyzed and calculated. Based on the topology optimization design theory, HyperWorks software was used to establish the topological calculation model of the turnover frame, and the topological analysis was performed to obtain the loading skeleton of the turnover frame. Based on the results of topology optimization and the practical application of components, a new type of bridge inspection car overturning frame is designed. Based on the 10% weight reduction, the overall rigidity of the access mechanism is increased by 6.2%, which effectively solves the problems of light weight and structural rigidity increase Design conflicts.