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混凝土搅拌运输车副车架应力计算及测试分析.docx

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混凝土搅拌运输车副车架应力计算及测试分析 Abstract Thestresscalculationandtestinganalysisofthesub-frameofaconcretemixertransportvehicleinvolvenumerousaspectssuchasstressanalysis,varioustypesoftests,finiteelementmodeling,andstructuraloptimization.Inthispaper,wepresentacomprehensivestudyofthesub-frameoftheconcretemixertransportvehicle,includingthestresscalculationandtestinganalysis.Wefirstintroducethestructureandworkingprincipleoftheconcretemixertransportvehicle,followedbyadiscussionofthefactorsaffectingthesub-framedesign.Wethendescribethestresscalculationmethodsandfiniteelementmodelingtoolsusedinouranalysis.Finally,wepresenttheresultsofourtestingandanalysis,includingrecommendationsforstructuraloptimizationandfutureresearch. Keywords:concretemixer,transportvehicle,sub-frame,stresscalculation,testinganalysis,finiteelementmodeling,structuraloptimization. 1.Introduction Theconcretemixertransportvehicleisatypeofheavy-dutytruckthatiscommonlyusedintheconstructionindustrytotransportandmixconcrete.Thevehicleisequippedwithalargemixingdrumthatcanrotateonitsownaxistoproduceahomogeneousmixtureofconcrete.Thesub-frameoftheconcretemixertransportvehicleservesasthestructuralsupportforthemixingdrum,aswellasforthehydraulicsystemandothercomponents. Becauseoftheheavyloadandcomplexoperatingconditionsinvolved,itisessentialtodesignthesub-frameoftheconcretemixertransportvehiclewithhighdurabilityandreliability.Inthispaper,wepresentacomprehensivestudyofthestresscalculationandtestinganalysisofthesub-frameoftheconcretemixertransportvehicle,withtheaimofoptimizingitsdesignandenhancingitsperformance. 2.Factorsaffectingthesub-framedesign Thesub-frameoftheconcretemixertransportvehicleissubjecttoavarietyofdynamicloadsandharshenvironments,suchasimpactloads,vibrationloads,torsionloads,andbendingloads.Thesub-framedesignneedstoconsiderthefollowingfactors: 2.1Loaddistribution Themixingdrumandhydraulicsystemimposelargeloadsonthesub-frame,withtheloaddistributionvaryingdependingonthevolumeofthemixingdrumandthetypeofmixingoperation