拖拉机驾驶室振动仿真与优化  

Simulation and Optimization of Tractor Cab Vibration

作　　者：齐兵兵 商潭苏 孙黎明 王志鹏 陈俊杰 尤寒 QI Bingbing;SHANG Tansu;SUN Liming;WANG Zhipeng;CHEN Junjie;YOU Han(State Key Laboratory of Intelligent Agricultural Power Equipment,Luoyang 471039,China)

机构地区：[1]智能农业动力装备全国重点实验室,河南洛阳471039

出　　处：《拖拉机与农用运输车》2023年第2期53-56,64,共5页Tractor & Farm Transporter

摘　　要：以某四柱驾驶室为研究对象,首先建立了该驾驶室白车身有限元模型,对其进行了模态分析,并和试验结果进行对比,验证了白车身模型精度。在白车身基础上建立驾驶室带内饰仿真模型,通过基于模态的强迫响应分析,得到拖拉机左脚地板和座椅支架两个点的振动加速度响应,和试验结果进了对比分析。最后对驾驶室地板进行了优化,座椅支架垂向振动加速度最大峰值下降了47.4%,垂向振动总值降幅为12.3%。A four-column cab is taken as the research object.Firstly,a body-in-white finite element model of the cab is established,and the precision of body-in-white model is verified by modal analysis and comparison with experimental results.The simulation model of cab with interior was established on the basis of body-in-white model,and the vibration acceleration response of the left foot floor and seat bracket of the tractor was obtained through modal based forced response analysis,which was compared with the test results.Finally,the floor of the cab was optimized,and the maximum vertical vibration acceleration of the seat bracket decreased by 47.1%,the total vertical vibration acceleration of the seat bracket decreased by 12.3%.

关 键 词：拖拉机 驾驶室振动 模态分析 强迫响应分析 

分 类 号：S219[农业科学—农业机械化工程] TB533[农业科学—农业工程]