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1、摘要甜菜是我国的主要糖料作物之一。从播种到田管已基本实现了机械化,但收获这一块,尤其是切顶、集堆、装车还是靠人工,劳动强度大,生产效率低,制约着甜菜生产的发展。因此,首先应解决甜菜收获机械化的问题。而甜菜的收获季节性强，人工作业存在劳动强度高、效率低、收获损失大和占用农时多等问题，这些问题制约了甜菜产业进一步发展。加强对甜菜生产机械的研发，实现甜菜生产机械化，使甜菜生产从粗放型向集约型转变，不仅是提高甜菜品质、实现甜菜生产现代化的关键所在，而且有利于提高生产率、节约劳力和降低劳动强度，将人们从繁重的甜菜生产劳动中解放出来。尤其是在当前我国农村劳动力
2、资源结构性短缺的情况下，发展甜菜生产机械化，不仅意义重大，而且非常紧迫。因此，了解目前国内外甜菜机械化生产的现状和发展动态，对研究和发展我国甜菜生产机械具有重要的现实意义。关键词：甜菜，收获，机械化滚筒式甜菜切顶装置的设计AbstractsugarbeetisChina'smajorsugarbeetcrops.Fromseedtofieldamechanizedpipehasbeenbasicallyachieved,buttheharvestthisone,especiallythecuttop,settheheap,orbyloadingma
3、nual,labor-intensive,lowproductivity,whichrestrictsthedevelopmentofsugarbeetproduction.Therefore,wemustfirstsolvetheproblemofmechanizationofsugarbeetharvest.Sugarbeetsowing,harvestingseasonal,thereishighlaborintensityandmanualwork,lowefficiency,largeandtakeupfarmingseasonharve
4、stlossesandmoreproblems,theseproblemshaveconstrainedthefurtherdevelopmentofsugarbeetindustry.Strengthenthedevelopmentofsugarbeetproductionmachinery,mechanizationofsugarbeetproductiontoachieve,sothatsugarbeetproductionfromextensivetointensive,notonlytoimprovethequalityofsugarbe
5、et,sugarbeetproductiontoachievethekeytomodernization,butalsohelpincreaseproductivity,savelaborandreducelaborintensity,thepeoplefromtheheavylaborintheliberationofsugarbeetproduction.Inparticular,China'srurallaborforceinthecurrentstructuralshortageofresources,thedevelopmentofsug
6、arbeetproductionmechanization,notonlyofgreatsignificance,andveryurgent.Therefore,understandingthecurrentstatusofdomesticsugarbeetproductionanddevelopmentofmechanicaldynamics,researchanddevelopmentofsugarbeetproductionmachineryhasimportantpracticalsignificance.Keyword:sugar，har
7、vest,mechanization全套机械毕业设计含《装配图》《零件图》《开题报告》《论文》《PPT》联系QQ：2841677322滚筒式甜菜切顶装置的设计目录一、前言····················································································································1二、项目背景及意义··································································
8、····························22.1项目背景·························
