叙述了电动轮矿用自卸车的工作原理、环境及其转向机构的重要性和设计要求。提出了以拓扑优化的方法对转向机构的重要部件转向臂进行优化设计,并对优化的结构进行了力学分析,验证了优化结果。通过具体研究对象、拓扑优化方法、力学分析方法的相结合,说明现代仿真设计手段的优越性。 Describes the working principle of electric wheel dump trucks, the environment and the importance of the steering mechanism and design requirements. A topology optimization method is proposed to optimize the steering arm of the steering arm, and the mechanical analysis of the optimized structure is carried out to verify the optimization results. Through the combination of specific research object, topology optimization method and mechanics analysis method, the superiority of modern simulation design method is illustrated.