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设计描述：
文档包括:
Word版设计说明书1份，共26页，约10000字
任务书一份
外文翻译一份
实习报告一份
CAD版本图纸，共28张
1WX-90型植树挖穴机设计
摘 要：现代新型挖坑机的研发主要向系列化、多功能和高性能方向发展。本植树挖坑机是针对目前使用广泛的江苏50型四轮拖拉机配套而设计的。悬挂式挖坑机采用与拖拉机三点悬挂式联接，即钻头在悬挂支臂的一端，支臂的另一端置于拖拉机悬挂支点上。
本挖坑机主要是对传统的悬挂式植树挖坑机的传动部分和挖掘部分的改进。在主轴箱设计方面，根据江苏50型拖拉机的传动参数，合理的设计锥齿轮的传动比以及强度计算等。在总体设计方面，尽量简化挖坑机的结构，减少其零件数目，以降低成本。对于双螺旋叶片设计，其直径由下往上逐渐减小，其螺旋夹角也由下往上逐渐减小，以避免钻头工作时与塘壁发生碰撞和摩擦等情况，提高了工作稳定性。
关键词：挖坑机；悬挂；双螺旋叶片
1WK-90-Type Planting Excavation Machine
Abstract: The digging machine of modern research and development of new main to the serialization, multi-functional and high-performance direction. The tree digging machine is currently used for a wide range of Jiangsu 50-wheel tractor designed package. Suspended digging machine with a tractor connected to a suspended three-point, that is, the bit at the end of suspension arm, the other end of the arm at the fulcrum of the flying tractor.
The digging machine is suspended from the traditional tree digging machine parts and the transmission part of the improvement of mining. In designing the spindle box, according to Jiangsu 50 tractor transmission parameters, and it needs a reasonable design of the bevel gear transmission ratio and the strength calculation. In the overall design, the digging machine tries to simplify the structure, reducing the number of its parts in order to reduce costs. Blade design for the double helix, whose diameter gradually decreases from bottom to top, the spiral angle also decreases from bottom to top in order to avoid the bit of work with the Tong-wall collisions and friction, etc., increased job stability.
Key words: Digging machine; Suspension; Double helix leaves
目 录
1 引言 1
1.1 本课题的设计意义 1
1.2 国内（外）发展概况及现状 1
1.3 课题由来及设计条件 2
1.4 课题设计思路 3
2总体方案设计 3
2.1整机构介绍 3
2.2 作业原理 3
2.3 挖穴机与拖拉机的联接 4
2.4 挖穴机的动力部分 4
2.4.1功率及挖坑幅度计算 5
2.5 挖坑机主要技术规格和基本技术参数 6
3部件设计 7
3.1 螺旋叶的设计 7
3.1.1 钻头的设计 7
3.1.2 双螺旋叶片的设计 7
4 设计计算 8
4.1动力分配计算 8
4.2 万向联轴器的选用计算 8
4.2.1 万向节总成 8
4.3 齿轮轴 8
4.4 轴承的选用与计算 10
5主要零件强度计算 12
5.1齿轮的校核计算 12
5.2 主轴的校核计算 15
6挖坑机使用和使用中的注意事项 21
6.1挖坑机使用 21
6.2使用中的注意事项 21
7结论 22
参考文献 23
致 谢 24
附件清单 25
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