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毕业论文（设计）题目：牵引式马铃薯联合收获机姓名：学院：机电工程学院专业：机械设计制造及其自动化班级：2011.02学号：指导教师：如果需要完整版毕业论文以及全套图纸请联系QQ1979499616，论文一万二左右，查重10以下，图纸网络绝对没有重复，如果需进一步修改也可2015年06月16日目录摘要.............................................................................................................................................ⅠABSTRACT.................................................................................................................................Ⅱ1绪论...........................................................................................................................................11.1马铃薯联合收获机研究的目的及意义...............................................................................11.2国内外马铃薯收获机械的发展...........................................................................................11.3设计马铃薯联合收获机需要解决的问题...........................................................................21.4设计马铃薯联合收获机的研究内容...................................................................................22牵引式马铃薯联合收获机的结构.............................................................................................42.1马铃薯的生长农艺特征及收获要求...................................................................................42.2马铃薯联合收获机的设计方案确定及工作原理...............................................................43马铃薯收获机的主要机构及部件设计.....................................................................................73.1挖掘铲的设计.......................................................................................................................73.2铲架的设计...........................................................................................................................93.3仿形镇压轮的设计...............................................................................................................93.4切土圆盘的设计.................................................................................................................103.5分离升运器的设计.............................................................................................................103.6星形轮的设计.....................................................................................................................113.7二级升运器的设计.............................................................................................................124传动系统方案及参数的确定...................................................................................................164.1传动系统的确定.................................................................................................................164.2各传动比的确定.................................................................................................................164.3功率需求计算.....................................................................................................................174.4主要传动部件的设计.........................................................................................................195结论和建议...............................................................................................................................225.1结论.....................................................................................................................................225.2建议.....................................................................................................................................22参考文献.......................................................................................................................................23致谢...............................................................................................................................................24I牵引式马铃薯联合收获机设计摘要我国的马铃薯的收获机械化的问题越来越突出，国外大部分的马铃薯收获机械都是针对平整大块的地升运器之间的过渡，等等。大幅度改善了收获效率,节约成本,改善收获质量，减少人力投入。关键词：马铃薯；联合收获机；设计TheDesignOfTrialedPotatoCombineHarvesterAbstractTheproblemofpotatoharvestmechanizationisbecomingmoreandmoreobvious.Theforeignmajorityofpotatoharvestmachineryisaimedattheterrainofflatblock,whichisnotsuitableforourcountry.Domesticapplicationinsmallplotsofpotatoharvesterfunctionisrelativelysimple.SotheresearchanddevelopmentforChina'sruraldevelopmentstatusinsmallandmediumpotatomachineryofcombineharvester青岛农业大学机电工程学院本科毕业设计（论文）IItechnologyandequipmentisnecessary.Throughallkindsofresearchandanalysisofthepotatoharvestmachinery,anewgenerationofpotatoharvesterhasbeendesigned.Thismachinemainlyhasthefollowingparts:miningparts,separationparts,drivecomponents,tractioncomponents,walkingcomponents,etc.Thediggingpartoftheexcavationusesasplitshovel.Theseparationpartusestheshakechainstructure.Andthetraditionalmodelisoptimized.Forexample,thedouble-headtypeofpassivejitterwheelisusedtoimprovetheseparationrateandthebreakagerateisreduced.Thedesignincreasesthetransitionofthestartransitionwheeltoimprovethetransitionbetweentheoneortwostageandsoon.Thedesignaimsatimprovingtheefficiencyofharvesting,savingthecost,improvingthequalityoftheharvestandreducingthemanpowerinvestment.Keywords:Potato;combineharvester;design青岛农业大学机电工程学院本科毕业设计（论文）11绪论1.1中小型马铃薯联合收获机设计的目的和意义小麦、玉米、水稻、马铃薯是我国的四大作物，其中马铃薯相对于其他粮食作物有很多优势，因此马铃薯的马铃薯收获机发展到现