摘要
针对圆管带式输送机桁架结构特点,提出一种基于数学模型的简化计算方法和有限元仿真分析的协同计算分析方法。通过综合运用节点法和截面法,推导得到桁架结构中各杆件内力的简化计算公式并进行了静力学计算。在此基础上,建立了基于有限元软件ANSYS Workbench的桁架结构模型并进行了数值计算分析,得到了桁架结构在一定载荷下的轴力和位移大小。结果表明,简化计算结果和有限元软件计算结果基本一致,桁架结构强度符合生产要求。简化计算方法和有限元数值分析的协同使用可使桁架结构的设计工作更为高效可靠。
Derives the simplified formula of calculating the internal force of each member in the truss structure with the node method and section method for a kind of pipe belt conveyor. The axial force and displacement are obtained with the static analysis for truss structure by using the finite element software ANSYS Workbench. The results indicate that the simplified calculation results are consistent with the finite element calculation results and the strength of the truss structure satisfy the production requirement. The cooperative using of simplified calculation method and the finite element analysis tend to make the design of the truss structure more efficient and reliable.
出处
《煤矿机械》
2016年第10期7-9,共3页
Coal Mine Machinery
基金
四川省科技支撑计划项目(2015GZ0015)
关键词
圆管带式输送机
桁架结构
简化计算
有限元分析
结构设计
pipe belt conveyor
truss structure
simplified calculation
finite element analysis
structural design
