架空索道塔架现代设计方法应用研究

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1、重庆大学硕士学位论文架空索道塔架现代设计方法应用研究姓名：金松安申请学位级别：硕士专业：机械设计及理论指导教师：陈器20060501英文摘要ABSTRACTTheaerialropewayforpassengertransportscanbeusedincomplexlandformsandthroughavalleyorabarrierintheground.WiththedevelopingofthetourisminChina,theaerialropewayhasbeenusedwidelyinthetransporttradeand

2、tourismorotherindustriesofChina.Thesafetyoftheaerialropewayisveryimportant.Asanimportantpartoftheaerialropeway,thetoweriscrucialtothesafety.Soitisveryimportantthatthestrength,rigidityandstabilityisexactornot.Thetraditionalstructuraldesigncanonlygetthedataofpartstressanddisp

3、lacement.Butthedistributionofthestressandstraincan’tbedescribedconcretelywhentheloadonthewholetower.Withthedevelopingofthetower,morecomplicatedandmorelarge-sized,newmodelstructureofthetowerisused.Thereisgreatdifferencebetweentheresultandtheactualloadifusetraditionalmethod.A

4、nditwilltakemoretimeandmoreenergy.Becauseofsomehypothesisareadopted.Accordingtothestate,thefiniteelementmethod(FEM),whichhasbeenusedinotherindustrieswidely,isusedinthedesignofthetowerinthispaper.Analysisofthestress,strainandmodalofthetower,whichisathree-pillartowerthatbeena

5、doptedinChinafirstly,bythefiniteelementanalysissoftware—ANSYSandtheresultsareshowed.Thisstudyiscomposedofthefollowingparts:(1)Thethree-pillartowerisadopted.Themodelofthetowerisbuildbasedondrawingpaper.(2)Thestrengthanalysisofthetower.Andthestaticanalysisofthetowerisshowedby

6、ANSYS.(3)ThedynamicanalysisofthetowerisshowedbyANSYS.AndthenaturalfrequencyandthemodeofthetowerinNo.1modaltoNo.10modalareshowed.(4)Theresultsareanalyzedandsomeadvicesareadoptedfortheimprovement.Inthisstudy,amoreconvenientwayfordesigningthetowerisadoptedthatcanshowthedistrib

7、utionofthestressandstrainwhentheloadonthewholetower.Checkanalysisaboutthetoweradoptthefiniteelementmethodreducesthecostofdesignandincreasestheefficiencyofdesign.SoFEMisdeserveextendingindesigningthetower.Throughthisstudy,thethree-pillartowermeetstherequestinthestressandthes

8、train.Sothestructureofthetowerisrationalandcanensurethatthesafetyofthetower.Keywor