基于有限元理論的液壓扭矩扳手優(yōu)化設(shè)計(jì)研究.pdf

1、河南科技大學(xué)碩士學(xué)位論文基于有限元理論的液壓扭矩扳手優(yōu)化設(shè)計(jì)研究姓名：李文華申請學(xué)位級別：碩士專業(yè)：機(jī)械設(shè)計(jì)及理論指導(dǎo)教師：張河新瀟然@河南科技大學(xué)碩士學(xué)位論文IISubject:ResearchontheOptimizationDesignofHydraulicWrenchBasedontheFiniteElementTheySpecialty:MechanicalDesignTheyName:LiWenhuaSupervis:Zha

2、ngHexinXiaoRanABSTRACTWiththedevelopmentofoursocietytheapplicationofscrewjointbecomesmemewideinindustryinfrastructureconstructionthequalityofscrewjointalsoreceivesmeattention.Intheaspectoftheassemblydisassemblyofthetques

3、crewjointthecontrolofthepretensionfcethehydraulictquewrenchhastheunmatchedadvantagethemarketprospectiswide.Combingwiththepracticebasedonthefiniteelementtheytwoproblemsarediscussedinthispaper.Firstlyallproblemsintheproces

4、sofusingthehydraulicwrenchissummarizedalsothereasonsareanalyzed.Accdingtodifferentsituationthesolutionisputfward.Findingmanyfaultsarecausedbymisusagethensomecommonproblemsofscrewjointareanalyzedabetterwkingmethodisadvanc

5、edtoguidetheapplicationofthehydraulicwrench.SecondlybasedonaspecialkindofhydraulicwrenchofacompanycombiningwiththerealproblembasedonthefiniteelementtheyoptimizationtheywithProEANSYSsoftwareusingthreedimensionnonlinearfin

6、iteelementanalysismethodthestressstrainofthekeypartsofthehydraulictquewrenchareanalyzed.Thestressstraindistributionsituationsofallpointsofthehydraulictquewrenchareobtained.Atthesametimethestresscentralizedmaterialredunda

7、nciesareasareobtained.Accdingtothisthehydraulictquewrenchisoptimizedtoreducetheweightincreasetheservicelifeatthepremiseofnotchangingtheoutputtque.Atlastnewhydraulictquewrenchisproducedtheexperimentsystemisdesignedtobepro