小麦播种机设计

小麦播种机的设计

摘要：当今社会，农业机械在机械工业中占据的比例越来越大，随着农耕的生产自动化，各种各样的农业机械将会出现并使用，本课题来源于当今社会机械工业小麦播种设备的创新和更新换代基础之上，通过设计出小麦播种机，从而来满足当今社会小麦播种设备不足的缺陷。

国内小麦播种机设备的研发及制造要与全球号召的高效经济、播种质量好，效率高等主题保持一致。近期对机械行业中小麦播种机的使用情况进行了调查，传统的小麦种子在没有小麦播种机而需要人工播种的情况下，效率低下，劳动强度大，所以设计一个专用的小麦播种机势在必行。

本文运用大学所学的知识，提出了小麦播种机的结构组成、工作原理以及主要零部件的设计中所必须的理论计算和相关强度校验，构建了小麦播种机总的指导思想，从而得出了该小麦播种机的优点是高效，经济，并且播种质量高，运行平稳的结论。

关键词：小麦播种机；质量；设计；经济；结论

The design of Ophiopogon japonicus seeder

Abstract：With the development of science and technology, interdisciplinary mutual infiltration, mutual exchanges between the various industry, extensive use of new structure, new materials, new technology, the sleeve pressing machine is large, efficient, reliable, energy saving, Recently, the use of machinery industry, bearing and shaft sleeve shaft were investigated, found that the shaft, bearings and bushings in the machinery industry is one of the key parts.

Come very naturally in the assembly of the installation is also very simple. In the installation if the use of artificial pressure with not only the labor intensity is too large and the size of each other is not easy to ensure the shaft, bearing and shaft sleeve, so the design of a special press be imperative. Graduation project this time is a tube axial compressive loading machine. This paper introduces the theoretical calculation to design sleeve pressing machine structure, working principle and main parts of the strength check and the advantages of the sleeve, pressing machine is efficient, economical, and high safety, stable operation. The overall plan .

the relative position of two axle sleeve on the plane, the motor reducer to provide power through belt drives the screw rod to rotate, and drives the head movement, a nut, a rotary motion of the linear motion of press. Block type safety clutch overload protection with teeth, pressure distribution in the corresponding position of the pipe after drilling through the drilling template.

Key words：Machine manufacture;Crankshaft;Processing craft;Fixture;

目录

绪论 (1)

1. 课题的来源与研究的目的和意义 (1)

2. 播种机的发展现状 (3)

3. 播种机的类型 (4)

4. 播种机的主要结构及其功能 (6)

5. 小麦播种机总体方案结构的设计 (10)

5.1 小麦播种机的工作原理 (12)

6. 机械结构的设计 (14)

6.1 电机的选型计算 (19)

6.2 轴的设计计算 (20)

6.3 轴承的选型计算 (20)

7. 开沟器及其起落机构 (21)

7.1 开沟器的要求 (22)

7.2 开沟器的结构类型 (22)

7.2.1 芯铧式开沟器 (23)

7.3 种子、肥箱 (24)

7.3.1 种子、肥料箱容量计算 (26)

7.3.2 种子、肥料箱结构特点 (26)

7.4 仿形机构 (27)

7.4.1 仿形机构类型 (28)

8. 三维软件设计总结 (28)

结论 (29)

参考文献 (30)

致谢 (31)