航空液压泵实用节能技术及发展

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1、机床与液压Oct．2012HydromechatronicsEngineeringVo1．40No．19DOI：10．3969／j．issn．1001-3881．2012．19．019ResearchonPracticalEnergySavingTechnologyandDevelopmentofAirborneHydraulicPumpZHUWufeng，CAIZengjie，LIXudong，LIUMingNavalAeronauticalEngineeringInstituteQingdaoCamp~，Qingdao266041，ChinaAbstract：Practicale

2、nergysavingtechnologyofatypeofairborneconstantdeliverypumpandtwotypesofairbornevariabledeliverypumpoftheunloadingstateareanalyzed．Focusingontheis-sueofunmatchedpowerofvariabledeliverypumpandactuator，itisproposedthatintelligentpumpwithloadsensingfunctionrepresentedanimportantdevelopmentdirection

3、toimprovetheeriergysavmgeficiency．Keywords：Airbornehydraulicpump，EnergySavingTechnology，constantdeliverypump，varia·hiedeliverypump，inteligentpumptomaticallyaccordingtovariedfli【ghtstates，inorder1．Introductiontomatchoutputpowerofpumpandtherequiredpow—erofactuator．Therearetwomajorwaystobetakeninm

4、ostofTherearethreestagesinthedevelopmentofel1一airbornehydraulicpumpsforenergysavingatpres-ergysavingtechnologyofairbornehydraulicpump．ent．First，outputpowerhastobeminimizedasmuchAtthefirststage，themethodofminimizingoutputaspossiblewhenhydraulicpumpisintheunloadingpressureofconstantdeliverypumpin

5、unloadingstatestate．Assomerelatedreferenceshowed，flightpro—wastaken．Atthesecondstage，themethodofmini—cedurestatisticsofsometypeofaircraftislistedinmizationofsupplyflowofvariabledeliverypumpintheTab．1．Accordingtothistable，theratiooftheunloadingstatewastaken．Atthethirdstage，theworktimeofhydraulic

6、actuatortothatofthewholemethodofauto—adjustingoutputpressureandsupplyflighttimecouldbeashighas40％，andtheoutputflowofintelligentloadsensingpumpaccordingtovar—powerofhydraulicpumpisnotrequiredatresttime，ledflightstateswillbetaken．hydraulicpumpwillunloadinthisstate．Therefore，Tab．1Flightprocedurest

7、atisticstableitisanimportantmeansofsavingenergytominimizeoutputpowerinunloadingstate．Second，matcheddegreebetweenoutputpowerofhydraulicpumpandrequiredpowerofactuatorwillbeimprovedtomini—mizetheuselesspower．AsTab．1shows，theratioofth