马铃薯收获机机械CAD图纸设计.doc

充值下载即送 CAD 图纸, QQ 36396305 -1- 马铃薯收获机的设计摘要: 马铃薯为地下产物,且是块茎繁殖, 其收获受季节和天气限制。由于马铃薯的收获费时费力、劳动强度大且季节性强,因此给农民造成极大的困难。为了解决上述问题,本文就国内外马铃薯收获机现状、马铃薯收获机的研究和应用进行介绍和分析,设计了组合分离式马铃薯收获机。对该机的主要参数进行了选择,对主要零部件的设计进行了理论计算。关键词:马铃薯,设计,挖掘铲充值下载即送 CAD 图纸, QQ 36396305 -2- T he design of potato harvester Abstract : Potato is an under ground plant. Its harvest is limited by the crown of the year and weather. Since the potato harvesting process has some difficult problems for farmers such as being strenuous and time consuming, great in labor intensity and urgent in seasonal demand, the paper analyses the present situation of potato harvest, and bined separation potato digger has been developed through selection of principal parameters and theoretical calculation for the design of essential parts. K ewords : potato , design, digging shovel 充值下载即送 CAD 图纸, QQ 36396305 -3- 目录摘要..................................................................................................................................... I ABSTRACT ........................................................................................................................... II 目录....................................................................................................................................... III ..................................................................................................................................... 1 马铃薯收获机发展概况................................................................................................................ 2 我国马铃薯收获机发展趋势....................................................................................................... 3 马铃薯收获机械的类型及技术要求............................................................................................ 4 马铃薯收获机发展的主要制约因素............................................................................................ 5 马铃薯收获机械的发展建议................................................................................................