28980.旋挖鉆機(jī)鉆桅有限元強(qiáng)度分析及其結(jié)構(gòu)參數(shù)優(yōu)化

1、中南大學(xué)碩士學(xué)位論文旋挖鉆機(jī)鉆桅有限元強(qiáng)度分析及其結(jié)構(gòu)參數(shù)優(yōu)化姓名：吳永紅申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：機(jī)械設(shè)計(jì)及理論指導(dǎo)教師：龔進(jìn)20100603中南大學(xué)碩士學(xué)位論文ABSTRACTABSTRACTAtpresent，RotaryDrillingRig，asoneofthehighendequipmentswiththemosttechnologyandthehighestElectro—hydraulicintegrationinthel

2、argediameterpilefoundationoftheengineering，havecompletelytransformedfromtheimporttoindependentmanufacturing—basedresearchanddevelopmentmainlyinourcountryandtheiruseisbecomingmoreandmorewideThus，theresearchofrotarydrillin

3、griganditskeycomponentsisbecomingamoreandmoreurgenttaskAtthesametime，theintroductionofanewdesigntechniqueusingthefiniteelementmethodforresearchinganddesigningthestructureofrotarydrillingriganditskeycomponentshasalsobecom

4、eatrendCombiningtheNational863Projects，thefiniteelementmethodisappliedtomakeadetailedandindepthstudyofthestrengthandstiffnessofdrilingmastofRotaryDrillingRigandoptimizationofthedesignThemainworkisasfollows：Thestatusofres

5、earchanddevelopmentoftherotarydrillingrigathomeandabroadiSsummarizedThestructurecharacteristicsandprinciplesofworkingoftheRotaryDrillingRiganditsdrillingmastareanalyzedThenthemeaningsandthecontentofthethesisarepointedout

6、ThemechanicalmodelsofthedrillingmastRotaryDrillingRigarederivedunderthethreeworkingconditionssuchasdrillingmastliftingcondition，drillingbucket—liftingconditionanddrillingconditionThenthecalculationmodulesareprogrammedwit

7、hMATLABtogiveresultsofthemechanicsbehaviorsofrotarydrillingrig，whichestablishthebaseforthestrengthandstiffnessanalysisandoptimizationdesignApplingbothof3DmodelingsoftwareSolidworksandthefiniteelementanalysissoftwareANSYS

8、，themastfiniteelementmodelisestablishedWestudythestrengthandstiffnessofmastunderthethreeworkingconditionsInaddition，wefindouttheweakpositionsthatofferreliableinformationforthefurtheroptimizationofstructureandsubmittherea