对航空液压泵实用节能技术及发展

《对航空液压泵实用节能技术及发展》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

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

2、naAbstract：Practicalenergysavingtechnologyofatypeofairborneconstantdeliverypumpandtwotypesofairbornevariabledeliverypumpoftheunloadingstateareanalyzed．Focusingontheis-sueofunmatchedpowerofvariabledeliverypumpandactuator，itisproposedthatintelligentpumpwithloadsensingfunction

3、representedanimportantdevelopmentdirectiontoimprovetheeriergysavmgeficiency．Keywords：Airbornehydraulicpump，EnergySavingTechnology，constantdeliverypump，varia·hiedeliverypump，inteligentpumptomaticallyaccordingtovariedfli【ghtstates，inorder1．Introductiontomatchoutputpowerofpump

4、andtherequiredpow—erofactuator．TherearetwomajorwaystobetakeninmostofTherearethreestagesinthedevelopmentofel1一airbornehydraulicpumpsforenergysavingatpres-ergysavingtechnologyofairbornehydraulicpump．ent．First，outputpowerhastobeminimizedasmuchAtthefirststage，themethodofminimiz

5、ingoutputaspossiblewhenhydraulicpumpisintheunloadingpressureofconstantdeliverypumpinunloadingstatestate．Assomerelatedreferenceshowed，flightpro—wastaken．Atthesecondstage，themethodofmini—cedurestatisticsofsometypeofaircraftislistedinmizationofsupplyflowofvariabledeliverypumpi

6、ntheTab．1．Accordingtothistable，theratiooftheunloadingstatewastaken．Atthethirdstage，theworktimeofhydraulicactuatortothatofthewholemethodofauto—adjustingoutputpressureandsupplyflighttimecouldbeashighas40％，andtheoutputflowofintelligentloadsensingpumpaccordingtovar—powerofhydra

7、ulicpumpisnotrequiredatresttime，ledflightstateswillbetaken．hydraulicpumpwillunloadinthisstate．Therefore，Tab．1Flightprocedurestatisticstableitisanimportantmeansofsavingenergytominimizeoutputpowerinunloadingstate．Second，matcheddegreebetweenoutputpowerofhydraulicpumpandrequire

8、dpowerofactuatorwillbeimprovedtomini—mizetheuselesspower．AsTab．1shows，theratioofth