1、 I 摘摘 要要 本设计是根据国内外播种机的发展趋势， 通用性和适应性不断提高以及 本着结构简单操作灵活的原则， 而设计的一种能同时完成播种施肥工作的小 型多功能精密播种机。该机结构上优点，使之能适应各种田地的播种。小到 1-2 分大的田块，大到上百亩的田块，不管是平坝、还是浅丘地区；无论是 板结的土质，还是疏松的土质都能适应。还可以根据用户的不同需求，配置 合适的播种器。通过调节犁铧和种子储存孔的行距，能够轻松地播种小麦、 大麦、高粱、大豆、玉米等旱粮作物。本例着重对播种机排种器、排肥器、 开沟器、覆土器以及镇压轮等结构进行设计选择。 关键词关键词： 精密播种 播种机 播种 施肥 II Ab
2、stractAbstract The design is based on the development trends and seeder, interoperability and adaptability in a constantly improving the structure and operation of flexible simple principles designed to simultaneously accomplish a small planting fertilization work multifunctional sophisticated seede
3、r. This structural advantages so that they can adapt to a variety of fields planting. Applicable to all sizes of land; Whether plains or hills; Whether hard soil or loose soil. We can select the planting machine according to the different needs of users. By regulating platoon of vehicles and plow ca
4、n easily sow wheat, barley, sorghum, soybean, corn and other crops. This example focuses on the design seeder platoon of vehicles, fertilization devices, trenching vehicles structure. Key wordsKey words：precision planting seeder planting fertilization III 目目 录录 摘要摘要I Abstract II 第第 1 1 章章 精密播种机发展现状与趋势精密播种机发展现状与趋势 1 1.1 我国精密播种机发展现状 1 1.2 精密播种机的发展前景 1 第第 2 2 章章 播种机概述播种机概述
