摘要
以结构尺寸为设计参数,利用APDL语言实现了带式输送机机架的参数化几何建模。计算出了针对机架的等效静态载荷,并对机架的静力位移与应力分布进行了有限元分析。以建模参数为设计变量,采用随机搜索算法对机架结构进行优化设计,有效增大了机架前3阶模态频率,使其抗振性和频率储备明显提高;同时将机架最大位移和体积分别减小了92.69%和15.74%,提高了机架结构刚度、实现了机架轻量化设计,有利于带式输送机的高速化发展。
Parametric geometric model of belt conveyer＇s frame was set up by APDL language,based on design parameter with its structure size.Equivalent static load on the frame was calculated,and then the finite element analysis of static displacement and stress distribution for the frame was carried out.Taking the modeling parameters as the design variables,the design of the frame structure was optimized by random search method.Thus,the top three modal frequencies of the frame were strengthened effectively,so as to enhance the vibration resistance and frequency reserves obviously.Besides,the maximum displacement and volume of the frame were respectively decreased by 92.69%,15.74%.The study improved the rigidity of frame structure,achieved frame lightweight,and was beneficial to fast development of belt conveyer.
出处
《矿业研究与开发》
CAS
北大核心
2015年第10期80-83,共4页
Mining Research and Development
基金
西京学院校级科研基金项目(XJ140111)
陕西省教育厅科研计划项目(15JK2177)
关键词
带式输送机
机架结构
优化设计
等效载荷
模态频率
Belt conveyer
Frame structure
Optimization of design
Equivalent load
Modal frequency
