目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc356401820"摘要PAGEREF_Toc356401820\h1HYPERLINK\l"_Toc356401821"关键词PAGEREF_Toc356401821\h1HYPERLINK\l"_Toc356401822"1前言PAGEREF_Toc356401822\h1HYPERLINK\l"_Toc356401823"1.1马铃薯收获机发展概况PAGEREF_Toc356401823\h2HYPERLINK\l"_Toc356401824"1.1.1国内马铃薯收获机发展概况PAGEREF_Toc356401824\h3HYPERLINK\l"_Toc356401825"1.1.2国外马铃薯收获机发展概况PAGEREF_Toc356401825\h3HYPERLINK\l"_Toc356401826"1.2我国马铃薯收获机发展趋势PAGEREF_Toc356401826\h4HYPERLINK\l"_Toc356401827"1.2.1马铃薯生产现状PAGEREF_Toc356401827\h4HYPERLINK\l"_Toc356401828"1.2.2马铃薯收获机发展趋势PAGEREF_Toc356401828\h5HYPERLINK\l"_Toc356401829"1.2.3我国马铃薯生产全程机械化的发展趋势PAGEREF_Toc356401829\h5HYPERLINK\l"_Toc356401830"2马铃薯收获机械的类型及技术要求PAGEREF_Toc356401830\h5HYPERLINK\l"_Toc356401831"2.1马铃薯收获机械的类型PAGEREF_Toc356401831\h5HYPERLINK\l"_Toc356401832"2.2马铃薯收获机的技术要求PAGEREF_Toc356401832\h5HYPERLINK\l"_Toc356401833"2.3马铃薯收获机发展的主要制约因素PAGEREF_Toc356401833\h6HYPERLINK\l"_Toc356401834"2.4马铃薯收获机械的发展建议PAGEREF_Toc356401834\h7HYPERLINK\l"_Toc356401835"3整体结构的确定PAGEREF_Toc356401835\h7HYPERLINK\l"_Toc356401836"3.1总体结构PAGEREF_Toc356401836\h7HYPERLINK\l"_Toc356401837"3.2工作原理PAGEREF_Toc356401837\h7HYPERLINK\l"_Toc356401838"3.3主要性能参数PAGEREF_Toc356401838\h8HYPERLINK\l"_Toc356401839"4挖掘部件的设计PAGEREF_Toc356401839\h8HYPERLINK\l"_Toc356401840"4.1挖掘铲的设计PAGEREF_Toc356401840\h8HYPERLINK\l"_Toc356401841"4.1.1设计依据PAGEREF_Toc356401841\h8HYPERLINK\l"_Toc356401842"4.1.2平面铲主要参数的确定PAGEREF_Toc356401842\h9HYPERLINK\l"_Toc356401843"4.2切土圆盘的设计PAGEREF_Toc356401843\h13HYPERLINK\l"_Toc356401844"5分离部件的设计PAGEREF_Toc356401844\h13HYPERLINK\l"_Toc356401845"5.1转动输送筛式分离装置PAGEREF_Toc356401845\h14HYPERLINK\l"_Toc356401846"5.2摆动筛式分离装置PAGEREF_Toc356401846\h16HYPERLINK\l"_Toc356401847"6结论PAGEREF_Toc356401847\h19HYPERLINK\l"_Toc356401848"参考文献PAGEREF_Toc356401848\