基于AMESim的液压变压器输出压力特性仿真研究

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1、机床与液压Oct．2012HydromechatronicsEngineeringVo1．40No．19DOI：10．3969／j．issn．1001-3881．2012．19．020SimulationStudyonOutputPressureCharacteristicsofHydraulicTransformerBasedonAMESimLIUYiou，HUANGYanong，YUJun，LIShenWuhanSecondShipDesignInstitute，Wuhan430064，ChinaAbstract：Thispaperana~zestheprincipl

2、eofhydraulictransformer(HT)．Themodeling，simu‘IationandanalysisofHTareestablishedandaccomplishedinAMESIm．TheoutputpressurecurvesofHTunderdiferentcontrolanglesareobtained．SimulationresuItsshowthattherealtransformationratioisnotinaccordancewIththetheoreticalcurveandamaximumvalueexistsifthevi

3、scOusfrictionandleakagearetakenintoaccount，andthesteadyoutputpressurepulsationanddynamicoutputpressureimpactcouldbecontrolledinareasonablezone．Keywords：hydraulictransformer，outputpressurecharacteristics，AMESimmodeling，simula。tion，transformationratioIn1997，anewconceptofHTcalledtheInnas1．1．

4、Structureofhydraulictransformerhydraulictransformer(IHT)wasdevelopedbyInnasBV，Netherland．enewtypeHT，whichintegratedAsshowninFig．1，thestructureofInnashy—thepumpandmotortogether，hasmanyadvantagesdraulictransformerwasimprovedbyusingpistonmo—suchassimplerstructure，smallersizeandhigheref-tor．T

5、heA，BandTkidneyportsconnectthehighficiency．BasedonAMESim，modeling。simulationpressuresource，loadpressureportandlowpressureandanalysisofoutputpressurecharacteristicsofHTSnl】me．arecarriedoutinthispaper．Thetheoreticalbasishasbeenprovidedfortheconstructiondesignandre．searchofHT．Sw1．Structurean

6、dworkingprincipleofhy-draulictransformerTheHTisahydrauliccomponent，whichcala—chievepressuretransformationinthehydraulictrans—mission．ThenewtypeHTwasgainedbasedonfixedFig．1Structureofthehydraulictransformeraxialpistonpumporaxialpistonmotor，bychangingitstwokidneysinswashplateintothree．Throu

7、gh1．2．WorkingprincipleofHTchangingthecontrolangleofvalveplate，theflowinandoutofHTcanbeadjustedtoreachthepurposeofTheworkingrelationshipbetweenthepistonandtheoutputpressurecontro1．thevalveplateisgiveninFig．2．0istheangleposi—tionofthekidneyArelativetoBDCoftheplungermo