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ID:34403709
大小:16.44 MB
页数:84页
时间:2019-03-05
《单轴重载倾斜与摇摆试验台设计与分析》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
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
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