基于ISIGHT的商用车鼓式制动器的结构分析与优化

Structural Analysis and Optimization of Drum Brake of Commercial Vehicle Based on Isight

为了弄清鼓式制动器的结构,本研究以某款商用车型所使用的领从蹄式制动器为研究对象,对其建立了有限元仿真模型,同时通过模拟制动器的工作条件验证了制动蹄应力(符合使用要求);随后用Isight软件集成Catia和Abaqus,并选取制动蹄的三个结构参数作为设计变量,以制动蹄上的最大主应力作为优化目标,采用自适应模拟退火算法对制动器的结构参数进行了多目标优化,并通过有限元分析对优化结果进行了验证,优化结果表明,优化后的制动蹄最大主应力降低了10.89%,可有效地延长制动器的使用寿命.

In order to understand the structure of drum brake,in our report,the leading shoe brake used in a commercial vehicle was selected as the research object,its finite element simulation model was established,and the stress of the brake shoe,which meets the service requirements,was verified through the simulation of the working conditions of the brake.Isight software was used to integrate CATIA and ABAQUS,three structural parameters of brake shoes were selected as design variables,the maximum principal stress on brake shoes was selected as optimization objective,the multi-objective optimization of brake structural parameters was performed with adaptive simulated annealing algorithm,and the finite element analysis was used to optimize the results.The optimized results showed that the maximum principal stress of the brake shoe decreases by 10.89%,which effectively prolongs the service life of the brake shoe.