摘要
首先利用SolidWorks软件建立了地铁车辆座椅的结构模型,并按标准规定对模型进行受力分析和静、动载荷的加载,运用有限元分析软件ANSYS对座椅骨架进行强度分析,分析结果表明危险部位的应力值大于材料的许用应力,且不在安全范围之内;然后对座椅骨架结构进行修改,结构修改后再次运用ANSYS进行静力学和动力学分析,分析结果表明最大应力值小于材料的许用应力,且在安全范围之内;最后在满足强度要求的条件下对座椅骨架进行结构优化,优化后其质量减少30%。
Firstly,the structural model of aluminum alloy subway seat is established by SolidWorks software.According to the standard,the stress of the model is analyzed and the static and dynamic loads are loaded.The strength of the seat frame is analyzed by the finite element analysis software ANSYS.The results show that the stress of the dangerous part is greater than the allowable stress of the material,and not in the safety range.Therefore,its structure is modified,after the modification,we use ANSYS for static and dynamic analysis,and the results show that the maximum stress value less than the allowable stress of the material,and within the safety range.Then the structure topology oplimization is conducted to make the 30% reduction of mass,which saves raw materials and reduces production costs,and the seat strength can still meet the requirements.
作者
刘客
谭晓东
徐欣
侯彦凯
LIU Ke;TAN Xiao-dong;XU Xin;HOU Yan-kai(College of Mechanical Engineering,Dalian Jiaotong University,Dalian 116028,China)
出处
《机械工程与自动化》
2019年第3期57-58,共2页
Mechanical Engineering & Automation
