CAJ | 학술논문

以最大起重力矩为2888t· m的双回转铁路起重机底架为研究对象，对其进行基于ANSYS的有限元分析和结构优化设计。在前人研究的基础上，采用底架与支腿耦合的方式，以底架几个主要结构尺寸和板厚为设计变量，将底架应力和挠度作为状态变量，对其在几种危险工况下进行优化并利用所有工况进行验算，综合各优化结果进行圆整，最终得到底架优化后的结构参数值。充分发挥出材料的机械性能，有效地实现了轻量化设计，证明了底架结构尺寸优化的必要性，为今后大吨位双回转铁路起重机底架结构的设计研究提供了新的思路。
이최대기중력구위2888t· m적쌍회전철로기중궤저가위연구대상，대기진행기우ANSYS적유한원분석화결구우화설계。재전인연구적기출상，채용저가여지퇴우합적방식，이저가궤개주요결구척촌화판후위설계변량，장저가응력화뇨도작위상태변량，대기재궤충위험공황하진행우화병이용소유공황진행험산，종합각우화결과진행원정，최종득도저가우화후적결구삼수치。충분발휘출재료적궤계성능，유효지실현료경양화설계，증명료저가결구척촌우화적필요성，위금후대둔위쌍회전철로기중궤저가결구적설계연구제공료신적사로。
By taking the 2 888 t · m double rotary railway crane as the research object , analyses the chassis and optimizes the structure by a finite element analysis software based on ANSYS .With previous research ,optimizes several dangerous working con-ditions and verifies all conditions adopting the method of coupling of chassis and leg ,and taking several main structure sizes and thickness of chassis as the design variables ,and using the chassis allowable stress and deflection as state variables .The optimal model effectively utilizes the mechanical properties of the material and achieves lightweight design .The results prove the necessity of size optimization of the chassis structure ,which provides a new way for future large tonnage double rotary railway crane chassis structure research .