端盖(A3).dwg
驱动轮(A2).dwg
驱动轮装配(A1).dwg
行走系装配图(A0).dwg
张紧轮装配图(A1).dwg
支架(A0).dwg
支重轮轴(A4).dwg
支重轮装配(A2).dwg

目   录
目录                                                           1
中文摘要                                                           3
Abstract                                                            3
第1章 绪论                                                      4
1.1 可行性分析                                                     4
1.2 研究开发的内容、方法、技术路线                                 4
1. 3 项目的特色和创新之处                                           4
1. 4 拟定技术路线以及工艺流程                                       5
第2章 软件简介                                                  6
2.1 CAD技术应用概况                                               6
2.2 Pro/E简介                                                     6
2.3 AutoCAD简介                                                  7
第3章 总体机构的设计                                           8
3. 1 行走机构的设计                                                8
3. 2 整地机构的设计                                                8
     3．2．1 铧的选择与计算                                       8
     3．2．2 中耕追肥机的选择与计算                               9
3．2．3 悬挂机构的选择                                       11
3．2．4 施肥工具的选择与计算                                 11
3．2．5 发动机的选择与布局                                   13
3．2．6重量参数                                       13
3．2．7 整体布局                                             13
第4章 主要零部件的设计                                          15
4．1  结构参数                                                    15
4．1．1 履带拖拉机的履带接地长度与宽度                       15
4．1．2 轨距                                                 15
4．1． 3 间隙                                                 15
4．1．4 整机参数-------------------------------------------------------------------15
4．1．5 拖拉拖机基本性能的计算----------------------------------------------16
4．1．6 稳定性的计算-------------------------------------------------------------17
4. 2  行走机构零件的设计                                           18
     4．2．1履带的总体结构                                       18
     4．2．2驱动轮的设计                                         19
     4．2．3履带的选择                                           19
4．2．4支重轮和托轮                                         20
4．2．5张紧轮和张紧缓冲装置的设计                           21
4．2．6犁的结构设计                                         22
     4．2．7液压元件的选择                                       22
总  结                                                            24
鸣  谢                                                            24
参考文献                                                          25
整机三维图                                                        26