基于ANSYS的大吨位双回转铁路起重机吊臂结构分析与研究

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1、西南交通大学硕士学位论文基于ANSYS的大吨位双回转铁路起重机吊臂结构分析与研究姓名：康海波申请学位级别：硕士专业：机械设计及理论指导教师：张仲鹏20070501嚣摩交运大攀磺士酝突生擎霞论文第ll燮AbstractThispaperemploysFEA(FiniteElementAnalysis)softwareANSYStoanalyzeandresearch011thestructureofthelifthoomollonenewrailwaycrane-large-tonnageanddouble—revolvingrailwaycrane．Andanalysisingsom

2、epictureofthestructureoftheliftboomofGerman'srailwaycrane，thispapergivesonenewstructureoftheliftboomwithoctagonsection．Thenthestructureisanalyzedandadjusted，finallyonenewstructureisputforword。It'sprovedthatthenewstructureisbetterthanthestructureimitatingGerman'scompany．Firstthispaperintroducest

3、hestatusquoanddevelopmentorientation，andthenintroducessomecorrelativeknowledge，e．g．elasticitymechanicstheoryandlEAtheory．Finally,thesoftwareANSYSiSintroducedinbrief．Thispaperanalyzesandstudiesthestructureofliftboomofthelarge-tonnageanddouble-revolvingrailwaycrane,includingtheliflboom’scapabilit

4、yinfluencecasuedbydifferentsections，puttingforwardaimitationGerman’scompany,rood-clingseparatelythreeliftboomswithoctagonsection，alsoloading，restricting，solvingonebyone．RegariugtheimitationGerman’scompanymodel，analyzingfivedangerousoperatingmodes，modifyingthemodelgraduallyinordertomakethemodelm

5、eettheintensityandstiffnessrequirements。Thispaperalsoanalyzesthetraditionalliflboomwithhexagonsection，throughthecomparing，theliflboom'scapabilityofoctagonsectionisbetterthanhexagonsection．Intheendofthepaper，Analyzingthethreeliflboomsofrailwaycrane-large-tonnageanddouble-revolvingasanwhole．，adop

6、tingthetechnologyofnodesfreedomcouplingtosimulaterelativeslippagebetweenlifthoomandslide。Theresultofanalysiswhichconsideredthethreeliflboomsasallwholeisalmostequaltotheresultofanalysiswhichconsideredthethreeliftboomsseparately．thisalsovalidatesthereliabilityofseparateanalysisfromasideview。There

7、fore，thepaperprovidessomereferencesandsuggestswhenthestructureoflarge-tonnageanddouble*revolvingrailwaycraneisdesignedfurther覆蠢交遥大擎蟥士研究生学位沦交繁lll炎ormodifiedtOmakethefuturedesignandanal，,sismorereliable，accurateandeconomic．KeyWords：