U型钢结构动态轴组秤秤体的静力学与模态分析  

Static and modal analysis of U-shaped steel structure dynamic shaft scale body

作　　者：陈威 庄曙东[1,2] 史柏迪 陈天翔 Chen Wei;Zhuang Shudong;Shi Baidi;Chen Tianxiang(School of Mechanical and Electrical Engineering,Hohai University,Jiangsu Changzhou,213022,China;Jiangsu Key Laboratory of Precision Instruments,Nanjing University of Aeronautics and Astronautics,Jiangsu Nanjing,210009,China)

机构地区：[1]河海大学机电工程学院,江苏常州213022 [2]南京航空航天大学江苏省精密仪器重点实验室,江苏南京210009

出　　处：《机械设计与制造工程》2023年第1期27-32,共6页Machine Design and Manufacturing Engineering

基　　金：江苏省高校实验室研究会立项资助研究课题(GS2019YB18);江苏省精密与微细制造技术重点实验室数学建模课题(CZ520007812);中央高校基本科研业务费(2018B44614)。

摘　　要：针对目前市面上的箱型结构动态轴组秤秤体出现的局部强度差、刚度不足、焊接复杂等问题,设计了一种U型钢结构的动态轴组秤秤体。使用Inventor分别建立箱型结构和U型钢结构的有限元计算模型,通过ANSYS进行静力学分析与模态分析,得到两种结构秤体在不同工况下的应力应变分布云图以及秤体各阶固有频率和振型。得出结论:U型钢结构秤体的力学性能及固有振动频率要优于箱型结构,且可以实现动态秤轻量化的目标。Aiming at the problems of local poor strength,insufficient stiffness and complex welding of the box type dynamic shaft scale body on the market,a U-type steel structure dynamic shaft scale body is designed.The finite element models of box structure and U-shaped steel structure are established with Inventor and the static and modal of the two structure is analyzed.The stress and strain distribution nephogram of the two kinds of scales under different working conditions,as well as the natural frequencies and vibration modes of each step of the scales are obtained.It is concluded that the mechanical properties and natural vibration frequency of the U-shaped steel structure scale body are better than the box structure,and the lightweight of dynamic scale can be realized.

关 键 词：动态轴组秤 箱型结构 U型钢 ANSYS 模态分析 

分 类 号：TH164[机械工程—机械制造及自动化]