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1、翻译部分英文原文TheDesignofFour-barLinkageofLargeInclinedAngleHydraulicSupportAbstract-Four-barlinkageisoneofthemostimportantcomponentsofshield-typepoweredsupportorchock-shield-typehydraulicsupport.Parameterizedmodeling,simulationandoptimizationoffour-barlinkag
2、eisfirstlyaccomplishedbyuseofADAMSsoftwareindesigningalargeinclinedanglehydraulicsupport.Thenbasedonthree-dimensionmodelofthewholehydraulicsupport,applyingCOSMOS/Workssoftware,finiteelementanalysisismadeunderthefronttorsionloadofroofbeam.Theonslysisresu
3、ltvalidatesthefeasibilityoffour-barlinkagedesignandmeetsthedesignrequirementsverywell.Thismethodcaneffectivelyshortenthedesigncycleandimprovedesignefficiencyofhydraulicsupport.Keyword-hydraulicsupport;four-barlinkage;optimizationdesign;ADAMS;finiteeleme
4、ntanalysis1.IntroductionFour-barlinkageisoneofthemostimportantcomponentsofshield-typehydraulicsupportorchock-shield-typehydraulicsupport.Itsfunctionhastwoaspects:One,asthesupportlegsrisesorlowers,theleadingedgeofroofbeammovesupanddownnearlyvertically,th
5、usmaintaininganearlyconstantunsupporteddistancebetweenthecoalwa11andtheleadingedgeofroofbeam.Thisisafeaturethatiswidelyconsideredmostdesirableforgoodroofcontrol.Second,itmakesthesupporttobecapableofbearinglargerhorizontaiload.Indesigningalargeinclinedan
6、glehydraulicsupport,optimizationofthefour-linkdesignisanimportantwork.Thesizeoffour-barlinkagedirectlyinfluencestheperformanceandstatusofhydraulicsupport.Inthetraditionalfour-barlinkagedesign,BASICprogramisusedtocompute[1],buttheresultsoftencannotmeetth
7、edesignrequirementsandcannotobtaintheoptimalsolution.Currently,ADAMSsoftwareismoreandmoreappliedinthemechanicaldvnamicsfield[2].So,thepapermakesuseoftheADAMSsoftwaretomodelandsimulatethefour-bar1inkageinordertoachievetheoptimaldesignsolution[3_4].Tnorde
8、rtovalidatethefeasibi1ityoffour-bar1inkagedesign[5],applyingCOSMOS/Workssoftware,finiteelementanalysisismade>1.Dimensioncalculationoffour-barlinkageAsshowninFig.1,isthecalculationheightinthemaximumposition.Mathematically,theparam
