异形高耸专用塔机的模态及谐响应分析  

Modal and harmonic response analysis of the unconventional dedicate tower crane

作　　者：王超锋[1] 安峰[1,2] 王东红[3] 原思聪[1] 

机构地区：[1]西安建筑科技大学机电工程学院,陕西西安710055 [2]太原钢铁集团公司,山西太原030000 [3]中国建筑科学研究院建筑机械化分院,河北廊坊065000

出　　处：《建筑机械》2013年第11期75-79,12,共5页Construction Machinery

基　　金：国家"十二五"科技支撑计划重点项目(2011BAJ02B02;2011BAJ02B02-02);陕西省科技攻关项目(2011K10-18);陕西省自然科学基金项目(2007E218)

摘　　要：针对用于火电厂冷却塔、烟囱等高耸特殊异形建筑设计的新型专用塔机,运用有限元理论,建立了异形高耸专用塔机的ANSYS有限元模型。对塔机进行模态分析,得出了异形高耸专用塔机的前8阶固有频率及对应振型;分析了塔机位移谐响应曲线,通过模态分析与谐响应分析结果的对比,得出了异形高耸专用塔机最易产生共振的频率,为后续的有限元分析奠定了基础。The unconventional dedicate tower crane is designed for similar thermal power plant cooling tower structure,the structure of the chimney,traffic railway tower bridge and the towering special shaped architectural.Application finite element theory,select the unit of the finite element model of the profiled towering dedicated tower crane,a simplified treatment of the structure,and the boundary conditions analysis and processing,established of the unconventional dedicate tower crane model,and with modal analysis,calculate first eight order modal parameter(natural frequencies and mode shapes).And analyze tower crane displacement harmonic response curve,compared with modal analysis and harmonic response results,obtain the easiest resonance frequency of the unconventional dedicate tower crane and lay a good foundation for the subsequent finite element analysis.

关 键 词：异形高耸专用塔机 有限元建模 模态分析 谐响应分析 

分 类 号：TH213.3[机械工程—机械制造及自动化]