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外文翻译--4H-2型花生收获机的设计原理和运动特征分析 英文版.pdf

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外文翻译--4H-2型花生收获机的设计原理和运动特征分析 英文版.pdf

第21卷第1期2005年1月农业工程学报TRANSACTIONSOFTHECSAEVOL21NO1JAN2005DESIGNPRINCIPLEANDANALYSESOFTHEMOTIONCHARACTERISTICSOF4H2TYPEPEANUTHARVESTERSHANGSHUQI,WANGJIANGANG,WANGFANGYAN,LIUSHUGUANG,JIANGYUANZHIENGINEERINGSCHOOL,LAIYANGAGRICULTURALUNIVERSITY,LAIYANG,SHANDONG265200,CHINAABSTRACTTHESTRUCTURE,WORKINGPRINCIPLEANDDESIGNOFMAINPARTSOFTHE4H22TYPEPEANUTHARVESTERWEREDESCRIBEDANDANALYZED,ANDTHEKINEMATICSMODELOFTHEMAINWORKPARTSWASFOUNDEDONTHEBASISOFTHEOPTIMIZEDSTRUCTURE,THEREPRESENTATIVETRACKSOFTHEWORKPARTSWEREDESCRIBEDBYMEANSOFVISUALBASICANDSPSSSOFTWAREANDTHEMACHINEFUNCTIONCHARACTERISTICSTHETHEORETICALFOUNDATIONHASBEENPROVIDEDFORFURTHERSTUDYOFTHISKINDOFMACHINESKEYWORDSPEANUTHARVESTER;DESIGNPRINCIPLE;MOTIONCHARACTERISTICSCLCNUMBERS22573DOCUMENTCODEAARTICLEID10022681920050120087205RECEIVEDDATE2004204219ACCEPTEDDATE2004211218BIOGRAPHYSHANGSHUQI1958,BORNINQINGZHOUCITY,SHANDONGPROVINCE,PROFESSOR,HEADOFENGINEERINGSCHOOLOFLAIYANGAGRICULTURALUNIVERSITY,SHANDONGPROVINCE265200,CHINAMAJOREDINDESIGNANDPERFORMANCETESTOFAGRICULTURALMACHINERYEMAILSQSHANGLYACEDUCN1INTRODUCTIONTHEPEANUTISONEOFTHEMAINOILPLANTSINTHEWORLD,WHICHISONLYINFERIORTOSOYBEANBUTRANKSTHESECONDFOROILPRODUCTIONANDINTERNATIONALTRADE1,2FORALONGTIME,THEPLANTING,HARVESTINGANDPROCESSINGOFPEANUTWEREMOSTLYCOMPLETEDBYMANUALWORKITISAPIECEOFLABOREDWORKWITHLOWEFFICIENCY,WHICHAFFECTSTHEPEANUTPRODUCTIONSERIOUSLYESPECIALLYINTHELASTFEWYEARS,ASTHETRANSFERRINGSURPLUSRURALLABORSTOURBANAREAS,THECONTRADICTIONOFEACHLINKOFPEANUTPRODUCTIONISMOREINTENSIFYING,THEMECHANIZATIONOFTHEPEANUTPRODUCTIONBECOMESPARTICULARLYIMPORTANTITHASBEENALONGTIMEFORRESEARCHINGANDDEVELOPINGTHEPEANUTHARVESTERSINDEVELOPEDCOUNTRIES,ITISATYPICALREPRESENTATIVETHATTHELP22TYPEPEANUTHARVESTERANDPEANUTCOMBINEHARVESTEROFCOURTESYLFLILLISTONMFGCOINTHEUNITEDSTATESANDPH22TYPEPEANUTHARVESTEROFMICHIGANINNETHERLANDS3THEDEVELOPMENTOFPEANUTHARVESTERINCHINAISLATERTHANTHATINDEVELOPEDCOUNTRIES,PERHAPSTHEBEGINNINGOFTHE1960SSINCETHE1970S,MANYREPRESENTATIVEMIMICPEANUTHARVESTERSWEREINTRODUCEDINTOCHINASUCHASTHEDONGFENG69TYPE,4HW2800TYPEAND4H2150TYPEPEANUTHARVESTERETC4THESEPRODUCTSBRINGCONVENIENCEFORHARVESTINGPEANUT,BUTTHESTRUCTUREOFALLCURRENTHARVESTERSADOPTEDTHETWOSTEPSOFHARVESTPRINCIPLESCOOPANDSEPARATINGCHAINCOMBINETOGETHERTHESEMACHINESHAVETOMATCHWITHTHEMEDIUM2BIGPOWERTRACTORSITISNOTONLYCOMPLEXINSTRUCTURE,HIGHERMANUFACTURINGCOSTS,MOREPOWERCONSUMPTION,POORRELIABILITY,BUTALSOHIGHERHARVESTINGLOSSRATE,PEANUTVINESSPREADDISORDERLY,ANDINCONVENIENTFORMANUALCOLLECTIONITISNOTSUITABLEFORTHECURRENTREQUIREMENTOFPEANUTHARVESTINGANDRESULTSINTHATTHEHARVESTINGOFPEANUTISALMOSTCOMPLETEDBYMANUALWORKATPRESENTTHEMECHANIZATIONLEVELOFPEANUTHARVESTINGAFFECTEDTHEDEVELOPMENTOFTHEPEANUTPRODUCTIONSERIOUSLYWITHTHEENVIRONMENTDETERIORATION,ATSOWING2SEASONINSPRINGORAUTUMN,THEPHENOMENONOFDRYANDLITTLERAINFALLAPPEARSTHEPEANUTPRODUCTIONSUFFEREDFROMTHEWEATHERITHADLEDTOADOPTINGTECHNIQUEOFPLASTICFILMCOVERINGFIGURE1SHOWSITSSECTIONSTRUCTURETHISNEWTECHNIQUEWILLPLAYANIMPORTANTROLEINKEEPINGTHEMOISTUREOFSOIL,INCREASINGGROUNDTEMPERATURE,ANDREDUCINGMANAGEMENTINSEEDLINGPERIOD,ANDTHENINCREASINGTHEOUTPUTOFPEANUTTHEPEANUTSEEDING2MACHINEWITHMANYFUNCTIONSHASALREADYAPPLIEDINLARGE2SCALEAREAS,BUTTHEQUANTITYOFTHEFILMREMAINSISINCREASED,WHICHINFLUENCESTHEFOLLOWINGWORK59FIG1PROFILEOFPEANUTCOVERINGPLASTICFILMANDSEEDINGBEDS8FORSOLVINGTHEPROBLEMSMENTIONEDABOVE,ANEWTYPEOFPEANUTHARVESTERWITHNEWWORKINGPRINCIPLEANDSTRUCTUREWASINVENTED,WHICHHASALREADYCOMETOTHEMARKETTHEHARVESTERHASALREADYACQUIREDTHE78PETTYPATENTNOWPATENTNUMBERZL012214760,ANDPATENTFORINVENTIONPATENTNUMBER991245180HASBEENINVESTIGATINGINSUBSTANCE2STRUCTUREDESIGNOFTHEPEANUTHARVESTER21ANALYSISOFTHEWHOLEMACHINESTRUCTURE4H22TYPEPEANUTHARVESTERCOMBINESWITHTHEADVANCEDMETHODOFPLANTINGANDAGRICULTURALREQUIREMENT,WHICHCANHARVESTTWOROWSATONEWORKINGSTROKEITMATCHESWITHTHE88~130KWSMALLFOUR2WHEELTRACTORS4H22TYPEPEANUTHARVESTERISCOMPOSEDOFGAGINGWHEEL,TRANSMISSIONSHAFT,ECCENTRICWHEEL,PITMAN,LONGROCKER2ARM,ERECTAXIS,HARVESTINGPARTS,LONGPITMAN,ROCKER2ARM,MOUNTINGDEVICEANDFRAMEETCTHEFIGURE2SHOWSITSSTRUCTURE1GAGINGWHEEL2JOINTCOUPLING3TRANSMISSIONSHAFT4ERECTAXIS5LONGROCKER2ARM6LONGPITMAN7MOUNTINGDEVICE8ROCKER2ARM9ERECTAXIS10HARVESTERPART11ECCENTRICWHEEL12PITMAN13HARVESTPART14FRAMEFIG2DIAGRAMOFPEANUTHARVESTERTHEDRIVINGPOWERNEEDEDOFTHEWORKPARTSOF4H22TYPEPEANUTHARVESTERCOMESFROMTHEPTOOFTRACTORWHENTHEMACHINEWITHTRACTORGOESFORWARD,THEPTODRIVESECCENTRICWHEEL11PASSTHROUGHJOINTCOUPLING2ANDTRANSMISSIONSHAFT3THENECCENTRICWHEEL11DRIVESLONGROCKER2ARM5TOMOVEPASSTHROUGHPITMAN12ASERECTAXIS4ANDHARVESTPARTS13AREMADETOGETHER,ROCKER8WITHLONGPITMAN6ANDLONGROCKER2ARM5CONSTITUTEANINVERSEPARALLELOGRAMMECHANISM,THEREFOREHARVESTPARTS10AND13SWINGWITHERECTAXIS4AND9WITHTHESAMEFREQUENCYANDANGLEBUTCONTRARYDIRECTIONTHEWORKINGPROCESSISTHESCOOPS10AND13DIGGINGTHEPEANUTOUTANDMOVINGTHEPEANUTBACKWARD,WHILETHELENGTHWAYSGRIDSCONTINUOUSLYMAKETHEFANLIKESWING,ANDTHENBREAKTHEADMIXTUREOFSOILANDPEANUTSBYTHISMOVEMENTTHEHEAVYSOILSINKSDOWNVIATHEGRIDS,ANDTHELIGHTERPEANUTMOVESUP,SOTHATPEANUTISSEPARATEDFROMSOILWELLTHEPEANUTISMOVINGREARWARDCONTINUOUSLY,FINALLYEVENLAYINGONTHEEXCAVATEDGROUND,SOITISCONVENIENTFORMANUALCOLLECTION22MAINTECHNIQUEPARAMETERSTHETABLE1SHOWSTHEMAINTECHNIQUEPARAMETERSOF4H22TYPEPEANUTHARVESTERTABLE1MAINTECHNIQUEPARAMETERSPOWERREQUIREMENT88~130KWSMALLFOUR2WHEELEDTRACTORPRODUCTIVITYHM2H1010~013LOSINGRATEOFNUTS≤2CONTAININGRATEOFSOILINPEANUTBYQUANTITYCALCULATION5BROKENRATEOFNUTS1PICKEDRATEOFNUTSBYMECHANISMS35OVERALLSIZELWHMMMM31280L180780NETWEIGHTKG1583DESIGNOFMAINWORKINGPARTS31DESIGNOFTHETRANSMISSIONPARTSFOROVERCOMINGTHEWEAKNESSOFTHETRADITIONALPEANUTHARVESTERSMENTIONEDINTHISPAPER,THE4H22TYPEPEANUTHARVESTERHASBEENINVENTEDWITHANEWSTRUCTUREANDPRINCIPLEITSSCOOPSANDSEPARATINGPARTSHAVEBEENCOMBINEDTOGETHERTHATCANREDUCETHEPOWERCONSUMPTION,THESIZEOFTHEMACHINEANDHARVESTINGLOSSTHETRANSMISSIONANDCONTROLDEVICESAREDESIGNEDFORTRANSMITTINGPOWEREFFICIENTLYANDADJUSTCONVENIENTLYINORDERTOMATCHTHETRACTOROF88KW,THEPOWERINPUTSHAFT1OF4H22TYPEPEANUTHARVESTERISLOCATEDINFLANKOFLEFTTHEINVERSEPARALLELOGRAMMECHANISMISTHEREMARKABLECHARACTERISTICSOFTHISMACHINEITSWINGSBOTHSCOOPSWITHTHESAMEANGLEBUTOPPOSITEDIRECTIONTHESIDEFORCESACTEDONTWOSCOOPFRAMESAREBALANCEDEACHOTHERTHESTABILITYOFTHEMACHINEISENSUREDANDTHEINVESTMENTOFMANUFACTURINGISREDUCEDGREATLY,WHICHISBENEFITEDTOLARGE2SCALEPRODUCTIONANDPOPULARIZATIONOFTHEHARVESTERS32DESIGNOFSCOOPFRAMESWHENTHEHARVESTERWORKINGINFIELDWITHDENSEPEANUTSTALKS,THEFLOWINGCHANNELOFTHEPEANUTISEASILYJAMMED,RESULTINGINTHATTHEWORKINGRESISTAN2CEISINCREASING,ANDPEANUTSEPARATINGISINEFFECTIVE,EVENTHEHARVESTERCANNOTCONTINUETOWORKFORRESOLVINGTHISPROBLEM,THESTRUCTUREOFHALFOPENARMHASBEENCREATEDFORTHESCOOPFRAMESHOWINTHEFIGURE3ANDTHEBOTTOMISTHESCOOPASTHEREARETOWSCOOPS,THEFORMRESPECTIVELYISAND,TOWOFTHEMFORMINGTHECHANNEL,WHICHMAKESTHEPEANUTSTALKSEASILYTOPASSIT88农业工程学报2005年FIG3DIAGRAMOFSCOOPFRAMES33DESIGNOFTHETRANSMISSIONWITHVBELTACCORDINGTOTHEDIFFERENTCIRCUMSTANCESOFTHEFIELDS,THESWINGFREQUENCYOFHARVESTINGPARTSSHOULDBEADJUSTEDANDCHANGEDFORTHISREASON,THEONESTEPV2BELTTRANSMISSIONHASBEENADOPTEDFORCHANGINGTHESWINGFREQUENCYBYREPLACINGTHEV2BELTPULLEYSAFTEROPTIMIZINGTHEFOUR2BARLINKAGEANDTHESIZEOFTHEBELTPULLEYS,THEFREQUENCIESANDTHERANGEOFSWINGAREMOREREASONABLE34DESIGNOFTHEGRIDSHAPEIFTHESECTIONALSHAPEOFGRIDISROUND,THECONNECTIONPOINTOFGRIDSWITHSCOOPWILLBEBROKENEASILYAFTERWORKINGINORDERTOINCREASEITSANTI2BENTINTENSITY,THEFLATRECTANGLESECTIONALGRIDSHAVEBEENSELECTEDOUTANDAPPLICATIONAFTERMAKINGTHEORETICALDESIGNANDEXPERIMENTALANALYSISTHEFIGURE4SHOWSITSSTRUCTUREFIG4DIAGRAMOFGRIDSHAPE4EQUATIONOFKINEMATICS41THEORETICALANALYSISOFTHEMAINPARTSFIGURE5SHOWSTHESTRUCTUREOFTRANSMISSIONPARTSOF4H22TYPEPEANUTHARVESTERSINTHISFIGURE,NO3ISTRANSMISSIONSHAFTANDNO11ISECCENTRICWHEEL,THEAEANDBDRESPECTIVELYINDICATETHEROCKER2ARM5FIG5DIAGRAMOFTRANSMISSIONPARTSSTRUCTUREAND8,THECDANDEFINDICATEPITMAN6AND12RESPECTIVELY,THEAANDBISRESPECTIVELYERECTAXES4AND9REFERENCEFIGURE2FIG6SIMPLIFICATIONDIAGRAMOFMOVEMENT9,10WHEN4H22TYPEPEANUTHARVESTERWORKING,TRANSMISSIONSHAFT3DRIVESECCENTRICWHEEL11RUNNINGASTHETRACKOFPOINTEISASPACEARC,BUTITSLENGTHISFARSHORTERTHANAEROCKER’SINXOYCOORDINATEPLANE10,SOTHATEPOINTTRACKMAYAPPROXIMATELYBETHESTRAIGHTLINEMOVEMENTWHICHISINTHEXOYCOORDINATEPLANETHEFIGURE6SHOWSTHEMOVEMENTFORMO′FSTANDSFORECCENTRICITYANDEFSTANDSFORPITMAN12ASO′FR,EFL,THENTHETRACKOFEPOINTMAYAPPROXIMATEBECONSIDEREDASTRAIGHTLINEOESOTHERECTANGULARSYSTEMOFAXISCANBEESTABLISHEDTOFINDTHEKINEMATICSEQUATIONTURNOTOBETHEORIGINOFCOORDINATES,THEDIRECTIONOFOO′ISTHEPOSITIVEDIRECTIONOFXAXESACCORDINGTOTHEKNOWNCONDITION,ATBEGINNINGT0,FISINTHEPLACEFORF′,EISINTHEPLACEFOROOBVIOUSLYOF′O′F′LRATANYTIMEEPOINTCOORDINATESISXOEOO′EGGO′RLL2RSINU2RCOSUR1COSUL11RL2SIN2UCAUSERLKIUXT,THENXR1COSXTL11K2SIN2XTACCORDINGTOTHECRANKROCKERSTRUCTURE,KISUSUALLYAMONG16~14BYTHEBINOMIALEQUATION,THEN1K2SIN2XT112K2SIN2XT18K4SIN4XTASTHEOTHERNUMBERSAREMUCHSMALLFROMTHETHIRDNUMBER,SOALLOFTHEMAREIGNOREDVIDELICET1K2SIN2XT≈112K2SIN2XT,THENEPOINTKINEMATICSEQUATIONAPPROXIMATELYISXR1COSXT12KSIN2XTVXARXSINXT12KSIN2XTTHEMOTIONCHARACTERISTICSOFINVERSEPARALLELOGRAMMECHANISMABCDDEPENDSONTHETRACKOFPOINTETHEFIGURE7SHOWSTHESTRUCTUREAANDBSTANDFORERECTAXES4AND9RESPECTIVELY,AEANDBDARERESPECTIVELYROCKER5AND8,CDISPITMAN6IFAISATZERO0,0THEDIRECTIONOFAXISTHEPOSITIVEDIRECTIONOFPOLARAXESAEL1THENAERECTAXIS98第1期尚书旗等4H22型花生收获机的设计原理及运动特性分析ANGULARVELOCITYEQUATIONAPPROXIMATEISHRL11COSXT12KSIN2XTXHARXL1SINXT12KSIN2XTFIG7SCHEMATICOFINVERSEPARALLELOGRAMMECHANISM42KINEMATICSEQUATIONOFTHEHARVESTPARTSASTHEFIGURE8SHOWS,WHEN4H22TYPEPEANUTHARVESTERISSTATICTOTHEGROUNDRELATIVELY,ANYPOINTOFSWINGGRIDAHMOTIONASHORIZONTALANDFAN2SHAPERECIPROCATINGMOVEMENT,AROUNDITSERECTAXISWHENWORKING,THEMOVEMENTOFANYPOINTOFSWINGGRIDAHISCOMPOSEDOFTHESWINGMOTIONOFERECTAXISANDMOVINGOFTRACTORBECAUSEOFTHESWINGVELOCITYOFERECTAXISISDIFFERENT,THEMOTIONTRACKISNOTTHESAME,BUTTHEREISCERTAINREGULATIONTAKETHEFARTHESTPOINTHOFSWINGGRID,ITSRELATIVELYSTATICEQUATIONISV_SV_2L2XRL2L1XSINXT12KSIN2XTISINHIRL2L1XSINXT12KSIN2XTICOSHX_SX_2∫T0RL1XSINXT12KSIN2XTL2DTISINHI∫T0RL1XSINXT12KSIN2XTL2DTICOSHRL1L2COSXT14KCOS2XT114KSINHIR

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