采棉头锥齿轮系统有限元耦合固有特性数值分析  

Numerical Analysis of the Finite Element Coupling Inherent Characteristics of the Cotton Picker bevel Gear System

作　　者：王方平[1] 朱允龙 蔡亮[1] 凌莎[1] 

机构地区：[1]贵阳职业技术学院贵阳市数控加工工程技术中心,贵州贵阳550028

出　　处：《机械传动》2013年第9期122-124,共3页Journal of Mechanical Transmission

基　　金：贵阳市科技计划项目筑科合同[2013101]1-12号("高端装备薄壁零件数控加工技术研究");国家科技支撑计划项目("水平摘锭自走式棉花收获机的研究与示范";项目编号:2011BAF07B00)

摘　　要：针对国产采棉头锥齿轮传动系统在工作中存在复杂振动变形和噪声等问题,以采棉头核心工作部件锥齿轮系统为研究对象,基于NX环境建立锥齿轮系统有限元耦合模型,应用NX NASTRAN解算器对采棉头锥齿轮系统的有限元耦合模型进行固有特性数值模拟分析,研究出锥齿轮系统耦合模型的前20阶固有频率、主振型和总振幅,并输出了前20阶固有频率的位移云图。Aiming at the problems of complex vibration deformation and noise caused by bevel gear box drive system of cotton picker, taking core component of cotton picker - bevel gear system as the research object, the finite element coupling model of the bevel gear system is established based on NX environment, the numerical analysis of fi- nite element coupling inherent characteristics of the bevel gear system is carried out by application of NASTRAN solver, ultimately, some technical parameters of the bevel gear system, including： the first 20 order natural frequen- cies, total amplitude and the main vibration mode, and output displacement nephograms related to all the frequencies are got.

关 键 词：锥齿轮系统 模态分析 NASTRAN 固有特性 耦合 

分 类 号：TH132.41[机械工程—机械制造及自动化]