浙江理工大學(xué)本科畢業(yè)設(shè)計(jì)(論文)ZSTUZhejiangSci-TechUniversity學(xué)士學(xué)位論文BACHELORSTHESIS論文題目:橢圓齒輪行星系大株距植苗機(jī)構(gòu)的設(shè)計(jì)作者姓名：楊海龍指導(dǎo)教師：俞高紅教授橢圓齒輪行星系大株距植苗機(jī)構(gòu)的設(shè)計(jì)浙江理工大學(xué)機(jī)械與自動(dòng)控制學(xué)院畢業(yè)設(shè)計(jì)誠(chéng)信聲明我謹(jǐn)在此保證：本人所做的畢業(yè)設(shè)計(jì)，凡引用他人的研究成果均已在參考文獻(xiàn)或注釋中列出。設(shè)計(jì)說明書與圖紙均由本人獨(dú)立完成，沒有抄襲、剽竊他人已經(jīng)發(fā)表或未發(fā)表的研究成果行為。如出現(xiàn)以上違反知識(shí)產(chǎn)權(quán)的情況，本人愿意承擔(dān)相應(yīng)的責(zé)任。聲明人（簽名）：年月日浙江理工大學(xué)本科畢業(yè)設(shè)計(jì)(論文)摘要移植是蔬菜生產(chǎn)過程中的重要環(huán)節(jié)之一，移植具有對(duì)氣候的補(bǔ)償作用和使作物生育提早的綜合效益，可以充分的利用光熱資源，其經(jīng)濟(jì)效益和社會(huì)效益都非?？捎^。當(dāng)前，國(guó)內(nèi)正在應(yīng)用的移植機(jī)械大多為半自動(dòng)移植機(jī)，半自動(dòng)移栽機(jī)靠手工送苗，效率低，勞動(dòng)強(qiáng)度大，而國(guó)內(nèi)自動(dòng)移栽機(jī)的研究才剛剛起步，自動(dòng)移栽機(jī)從取苗到植苗都由機(jī)械自動(dòng)完成，效率高。國(guó)外雖有一些自動(dòng)移栽機(jī)應(yīng)用于生產(chǎn)，但還處于不斷研究與推廣階段。植苗機(jī)構(gòu)是將秧苗植入大田的最終機(jī)構(gòu)，是旱田移栽機(jī)的核心工作部件。因此，植苗機(jī)構(gòu)的設(shè)計(jì)對(duì)自動(dòng)移栽機(jī)的發(fā)展至關(guān)重要。本文主要的研究?jī)?nèi)容如下：1.根據(jù)植苗的技術(shù)特點(diǎn)和農(nóng)藝要求，設(shè)計(jì)非圓齒輪行星系大株距植苗機(jī)構(gòu)，滿足機(jī)械植苗特殊的工作軌跡要求。2.論述了該植苗機(jī)構(gòu)的工作原理以及結(jié)構(gòu)特點(diǎn)。3.以建立的運(yùn)動(dòng)學(xué)模型為基礎(chǔ)，基于可視化開發(fā)平臺(tái)VB6.0，借用植苗機(jī)構(gòu)輔助分析與優(yōu)化軟件，介紹了該軟件的人機(jī)交互界面及功能，基于該軟件，解決了該機(jī)構(gòu)運(yùn)動(dòng)學(xué)分析難點(diǎn)。4.進(jìn)行植苗機(jī)構(gòu)的總體設(shè)計(jì)，討論了設(shè)計(jì)中應(yīng)該注意的問題，最后在CAD2008下完成裝配圖和各零件的設(shè)計(jì)。5.建立植苗機(jī)構(gòu)的三維實(shí)體模型，對(duì)其進(jìn)行虛擬裝配。關(guān)鍵詞：大株距；橢圓齒輪；行星輪系植苗機(jī)構(gòu)；工作機(jī)理；設(shè)計(jì)橢圓齒輪行星系大株距植苗機(jī)構(gòu)的設(shè)計(jì)DesignofLargeSpacingTransplantingMechanismwithOvalGearforPlanetaryGearsAbstractTransplantingisanimportantprocessofvegetableprocreating,whichhasthefunctionofcompensatingvaryingclimateandshiftingtheprocreatingofplantstoanearliertime.Ithelpstheplantstousethesourceoflightandtemperaturesufficiently,whichwillmakeconsiderableeconomicalandsocialbenefits.Atpresent,mosttransplantingmachinesaresemi-automatictransplantingmachines，theyneedpickupplugseedlingbyman，whichhavehighworkintensityandlowworkefficiency,anddomesticresearchonautomatictransplantingmachineisjustbeginning.Automatictransplantingmachinecanpickupplugseedlingandtransplantingplugseedlingbythemselveswhichhavelowworkintensityandhighworkefficiency.TheoverseashaveautomatictransplantingmachinebeappliedinproductionbuttheapplicationandresearchonautomatictransplantingmachineisdevelopingThusthepickupplugseedlingmachineisthekeyissueswhichrestrictedthedevelopmentofautomatictransplantingmachineandatsametime,whichisalsorestrictedthedevelopmentoftheplantsofvegetable.Soitsapressingrequirementtodesignanewkindofpickupplugseedlingmachine.Transplantingmechanismistheultimatemechanismtotransplantseedlingsintothefieldandthenuclearworkingcomponentofdryfarmlandtransplanter.Therefore,designoftransplantingmechanismisimportantforthedevelopmentofautomatictransplantingmachine.Themajorresearchcontentsofthispaperareasfollows:1.Accordingtothetechnologicalcharacteristicsandagriculturalrequirements,designoflargespacingtransplantingmechanismwithNon-circulargearforplanetarygears,whichcansatisfythespecialworkingtrajectoryrequirementsoffetchingandpickupplugseedlingsautomatically.2.Theworkingprincipleandstructuralfeaturesofthisautomaticvegetableplug浙江理工大學(xué)本科畢業(yè)設(shè)計(jì)(論文)seedlingpick-upmechanismhasbeendiscussed.3.BasedontheestablishedkinematicmathematicalmodelandVisualBasic6.0,developthekinematicaidedanalyticalofthetransplantingmechanism.Introducethehuman-computerinteractiveinterfaceandfunctionsofthissoftware.Bythissoftware,thedifficultyofoptimizationwithmultiplekinematicobjectsofthismechanismcanbesolved.4.Designtheensembleofthevegetableplugseedlingpick-upmechanism；discusstheproblemswhichshouldbenoticedintheprocessofdesigning.FinallyfinishthedesignofpartsandtheassemblydrawingbasingonCAD2008.5.Establishthesolidmodelofallpartsofthisveget