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2009281010MechanicalScienceandTechnologyforAerospaceEngineeringOctoberVo.l282009No.10:2009204217:(SJ08E206):(1963-),,,CAD/CAE,CFD,jihongtao112@163.com1,2,1,1(1,710064;2,710072):,,,,,,,,AMESim,:,;3,,;AMESim:;;AMESim;:TH321:A:100328728(2009)1021271204DesignandAnalysisoftheHydraulicSystemofaMudPumpHuiJizhuang1,LuoLianshe2,JiZhen1,ZouYake1(KeyLaboratoryforHighwayConstructionTechnologyandEquipmentofMinistryofEducation,ChangcanUniversity,Xican710064;2DepartmentofScienceandTechnology,NorthwesternPolytechnicalUniversity,Xican710072)Abstract:Traditionalpump2sidedrivingportusescrankconnectingrodmechanism,andthehydraulicpiston2sidespeedchangeissimilartoasinecurve,andthemudflowandtheinstantaneouspressurefluctuationsarealsoinasinecurve,resultinginalargeamountofpulseofdisplacementandinstability.Inthepowerside,weimprovetheuseofelectro2hydraulicproportionalcontrolvalvetoautomaticallychangeandincreasethepressureofthehydraulicbalancedside,thenthenewhydraulic2drivenpumpshowssmoothcylindermovemen,tflowstability,andimprovedlifeexpectancy.WeanalysethedynamiccharacteristicsofthehydraulicsystembyAMESim.Theresultsshowthatifhydraulicpowersystemsareadoptedinthepowerside,theperformanceismuchbetterthanmechanicaldrive,andreasonablelayoutofthethree2cylinderpistonpumpinitialpositionandpropercylinderspeedratiowillresultinthestabilityofhydraulicmudflowwithnopulse.ThesimulationresultsofAMEsimareingoodagreementwithtestresults.Keywords:mudpump;hydraulicsystem;AMESim;simulation,,,,[1,2],,[3],[4],,AMESim,,281,,,,,,,,[5],,:(1),,(2),,,,,,,(3),,,,,,,211211,3:1;2,1L/2(L,);3,2L/22(A/A),A/A=2,,1,2,32121,:24,110,1127210:9,1,11121311,114,,,,,1,1,1,11,115,1,,,v=Q/A,t=L/v,Q,A,L,v2131412,,,,,,23,,214,213,,2019(),19,4,56,724,,5,3738,2423,,22,,,1,376,5321215,,,3AMESim311AMESim,2,,,[6]2:7L/min,40mA,80Hz,018;100mL/r,1000r/min;10;1500r/min;30mm,15mm,lm,0015m1m,100kg,100N,100N,0101L/(min#bar);10,300101003123121134P()T()B()A(),,,4,,,,12732831212(13),,2[7],,,,,,[8]53,2,56(),,,,,,64(1),,,,(2),,(3)AMESim32,[][1].YNB-500[J].,2005,22(1):14~16[2].[J].,2007,12(2):26~29[3].[J].,2004,18(1):93~97[4].[J].,2005,101(5):15~17[5].[J].,2005,50(5):65~67[6],.AMESim[J].,2008,27(12):1556~1580[7].[J].,2007,15(6):13~15[8].AMESIM[J].,2006,140(1):35~371274