目 录
目 录 .................................................................................................................................................Ⅰ
摘 要 .................................................................................................................................................Ⅱ
关键词 .................................................................................................................................................Ⅱ
Keywords ............................................................................................................................................Ⅱ
第 1 章 绪 论 ....................................................................................................................................1
1.1 科学依据........................................................................................................................................1
1.2 国内外研究现状...........................................................................................................................2
1.3 研究内容和方法...........................................................................................................................3
第 2 章 秸秆还田机总体方案设计 ...........................................................................................5
2.1 拖拉机功率的选择.......................................................................................................................5
2.2 计算传动装置的运动参数 ..........................................................................................................6
2.3 传动部件设计 ...............................................................................................................................7
2.3.1 锥齿轮计算 ..............................................................................................................................7
2.3.2 直齿轮的计算..........................................................................................................................11
2.3.3 轴的设计计算..........................................................................................................................13
第 3 章 碎茬工作部件的设计...................................................................................................18
3.1 刀轴机构设计 .............................................................................................................................18
3.2 刀轴强度校核 .............................................................................................................................18
3.3 刀片结构设计 .............................................................................................................................22
3.4 刀片主要结构参数确定 ............................................................................................................22
3.5 刀片的排列 .................................................................................................................................23
第 4 章 机组功率消耗及影响因素 .........................................................................................25
第 5 章 结论与讨论 ......................................................................................................................26
5.1 结论..............................................................................................................................................26
5.2 讨论...............................................................................................................................................26
参考文献 ..............................................................................................................................................27
致 谢 ...................................................................................................................................................29
附 录 ...................................................................................................................................................30