目 录摘 要............................................................IAbstract...........................................................II1 绪论..............................................................11.1 荞麦的介绍..................................................11.2 收割机的发展................................................21.3 小型收割机的应用与发展趋势..................................21.4 国内外收获机械技术的现状....................................52 方案的提出与对比..................................................82.1 方案一......................................................82.2 方案 2.......................................................92.3 方案三.....................................................102.4 方案中涉及到的一些传动设计.................................112.5 收割机行走方式的选择.......................................123 荞麦收割机的设计计算过程.........................................143.1 I 轴的相关计算..............................................143.2 II 轴与 III 轴的相关计算.....................................153.3 III 轴与 IV 轴之间的相关计算.................................163.4 柴油机与 III 轴之间的设计...................................174 整体模型的三维建模...............................................194.1 轴类零件的建模.............................................194.2 齿轮及带轮的建模...........................................214.3 其他零件的建模.............................................244.4 总装配图...................................................285 总 结..........................................................316 致谢信...........................................................33参考文献...........................................................34附录:文献综述.....................................................35I摘 要荞麦为一年生草本植物,生育期短,抗逆性强,极耐寒瘠,当年可多次播种多次收获,并且营养价值很高,所以荞麦的价值越来越被看中。但是相对应的荞麦收割机发展却相...