Abstract .....................................................................................................................................III
第一章 绪论...............................................................................................................................1
1.1 课题的背景和意义.......................................................................................................1
1.2 采摘装置的发展现状及趋势.......................................................................................2
1.3 毕业设计的目的...........................................................................................................3
1.4 本次设计任务与要求...................................................................................................3
第二章 土豆采摘装置基本方案和原理分析...........................................................................3
2.1 基本方案的提出...........................................................................................................3
2.2 整体方案介绍...............................................................................................................4
2.3 工作原理分析...............................................................................................................4
2.4 土豆采摘装置主要参数...............................................................................................5
第三章 采摘装置传动设计.......................................................................................................5
3.1 传动与减速器设计计算...............................................................................................5
3.2 采摘装置功率计算.......................................................................................................6
3.3 链传动的设计...............................................................................................................7
3.3.1 链传动设计要求................................................................................................7
3.3.2 链传动的计算....................................................................................................7
3.4 链轮主动轴的设计.....................................................................................................10
3.5 链轮主动轴的校核.....................................................................................................11
3.6 轴的设计.....................................................................................................................12
3.6.1 链轮的转矩......................................................................................................13
3.6.2 轴的材料选取..................................................................................................13
3.6.3 轴的最小直径计算..........................................................................................13
3.6.4 轴的结构设计..................................................................................................13
3.7 轴的校核.....................................................................................................................14
3.8 键的校核.....................................................................................................................15
3.9 轴承的校核.................................................................................................................16
第四章主要部件的设计...........................................................................................................17
4.1 挖掘部件设计要求.....................................................................................................17
4.2 挖掘铲设计依据.........................................................................................................17
4.2.1 挖掘铲的组成..................................................................................................18
4.2.2 挖掘铲的结构设计..........................................................................................18
4.3 机器分离部件的设计.................................................................................................21
4.4 机架与车轮的设计.....................................................................................................22
4.4.1 机架的结构设计..............................................................................................23
4.4.2 车轮的结构设计..............................................................................................24
4.5 土豆采摘装置总装图........................................................................................25
结论...........................................................................................................................................26
参考文献...................................................................................................................................27
致谢...........................................................................................................................................28
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