盾構(gòu)機用三排滾柱式回轉(zhuǎn)支承有限元分析.pdf

1、河南科技大學(xué)碩士學(xué)位論文盾構(gòu)機用三排滾柱式回轉(zhuǎn)支承有限元分析姓名：劉丹丹申請學(xué)位級別：碩士專業(yè)：機械制造及其自動化指導(dǎo)教師：韓紅彪20100401摘要IIISubject:TheFEAofthreerowrollerbearingusedftunnelshieldSpecialty:MachanicalManufactureAutomationName:LiuDanSupervis:HanHongbiaoABSTRACTTunnelsh

2、ieldisthemainmachineinthetunnelconstruction.Itmusthavehighreliabilitywkstable.Thebearingoflargetunnelshieldalwaysadoptsslewbearingmustsupptlargeaxialfcetippingmomentradialfceatthesametimeduringwking.Itsloadscircumstancei

3、scomplexcanbringlargedisttionaffectsthesafetyoftunnelshield.Thispaperusedtheycalculationfinitemethodtostudythecarryingcapacitydisttionloadsdistributionanticipatinglifeofthetunnelbear.Thedimensionofthreerowrollerbearingis

4、largetheamountofrollerisquitemethereisseveraldozentohundredofrollerineachrow.Asfthebearthatisinlargedimensionhasmanyrollersitscontactpartsbetweenringrollerissomanythecontactstatusiscomplexmeovercontactanalysisishighnonli

5、nearityanalysis.Itisdifficulttousefiniteanalysis.Thispaperanalyzedfcestatusofbearing’sthreerowsrollerunderstaticloadfirstlycalculatedloaddistributionofthreerowsrollerunderaxialfceradialfcemomentobtainedloadthelargestcont

6、actstressdisttionvaluesofeachrollerunderloadingmadesurethepositionvaluesofthelargestloadroller.IndertoensurethecalculationprecisionminishresolvescopethispaperadoptsANSYSfiniteanalysissoftwareanalyzedstressdisttionofthewh

7、olebearingunderaxialradialfcemomentaccdingtotheresultsthatgainedthenbuiltfinitemodelfthelargestloadrollerofthefirstsecondthirdrowanalyzedsimulationresult.Thefiniteanalysisresultsofloaddistributiontrendstressdisttionisclo