基于拓扑优化的液压支架轻量化研究设计

Design of hydraulic support lightweight research based on topological optimization

针对目前液压支架重量大、井下转移困难及整体移架慢等缺点,对其进行了拓扑优化设计,以整体应力最小作为优化目标,其结构材料密度以及应力和体积分别当成设计变量及约束条件,给出了顶梁偏心加载工况条件下支架拓扑优化的应力分布状况,最终结果表明在保持其可靠性的基础上最大应力分布位置应力得到了降低,同时减轻了其本身的重量,这为以后的进一步设计优化具有非常重要的意义。

Based on heavy weight of hydraulic support, difficulty of underground transfer and slow overall movement of frame, topological optimum design was made with taking overall stress minimum as optimal target, its structural material density as well as stress and volume were taken as designed variables and constraints. At the same time, stress distribution of topological optimization under condition of eccentricity loading of the top beam was proposed. The results showed that stress in distribution of maximum stress was reduced with keeping its stability, and its weight was lightened, which was very important for further design optimization.