单轴重载倾斜与摇摆试验台设计与分析

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1、10530201510161694TH-39DesignandAnalysisonaSingleFreedomHeavyLoadPlatformforTiltandSwingTestCandidateWangHaifengSupervisorZhangDabingCollegeSchoolofMechanicalEngineeringProgramPowerEngineeringandEngineeringThermalPhysicsSpecializationComplexSystemsModelingandSimulationDegreeMasterofEngineeringUni

2、versityXiangtanUniversityDateJune2018ANSYSAMEsimPIDPLCIAbstractInsevereseaconditionsthetiltwillcausethemarineequipmenttobeartheinducedstaticforceandtheswingwillmakethemarineequipmentsustaintheinduceddynamicforce.Theoperationaladaptabilityandstructuralintegrityofthemarineequipmentcanbetestedbyman

3、uallysimulatingthetiltandswingenvironmentalconditionsoftheship.Accordingtothetesttechnicalrequirementsofalarge-scalemarineequipment,newtypeofsingle-freedomheavy-dutytiltandswingtestplatformisdevelopedinthispaper,theresearchonkeytechnologiessuchasthebearingstructure,drivingmethodandcontrolstrateg

4、yofthetestplatformiscarriedoutetc.Theplatformprovidesthenecessarytestconditionsfordevelopingnewlarge-sizedmarineequipmentandpossessesimportanttheoreticalandpracticalvalue.Anewtypeofbasket-typeload-bearingstructureisproposedonthebasisofanalyzingthetiltandswingtestrequirementsofalarge-scalemarinee

5、quipment.Bothendsoftherectangularplatformusedforinstallingtestequipmentarefixedonthetwo-endbracketsbyliftinglugs,shafts,bearingsandbearingblocks.Inordertodeterminethespecificstructuresize,ANSYSfiniteelementsoftwareisadoptedtosimulateandanalyzethestrengthandstiffnessofthestructure,finally,theplat

6、formstructurehasfeaturessuchasstrongbearingcapacity,largeequipmentinstallationsurface,strongversatility,lowoverallcenterofgravity,highsafety,etc.Consideringtherequirementsofshortswingperiodandlargeangleoftheplatform,adualgear-rackswingoilcylinderisusedasadrivingunitforincliningandswingmotionofth

7、eplatformonthebasisofanalyzingtheadvantagesanddisadvantagesofdifferentdrivingmethods.Inthedesignofhydrauliccircuit,theadvantagesanddisadvantagesofthevalvecontrolandpumpcontrolhydraulicservocontroltechnologyarecomparedandanal