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离心 草坪 播种机 设计 CAD 图纸 PDF

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毕业设计说明书中文摘要手推离心式草坪播种机的设计摘要 本设计是根据国内外草坪播种机的发展趋势，本着良好通用性、适应性和结构简单操作灵活的原则，而设计的一种由地轮驱动的离心式草坪播种机。本设计重点设计了播种机的变速转换机构、播种器叶轮、驱动地轮等结构进行设计选择，从机构运动的功能出发，按变异组合法和类比法完成机构的构件和设计，使结构紧凑，体积小，质量轻，噪音小、无污染，使用方便、灵活的特点，适合一般草坪的播种。采用手推来提供动力，无需引擎驱动，节能环保，使用安全、可靠，便于维护。关键词 草坪播种 播种机 离心式 手推毕业设计说明书外文摘要The Design Of The Lawn SeederAbstract This design is according to the domestic and foreign lawn machine, in line with the development trend of generality, good adaptability and simple structure; the principle of operation is flexible and designs a kind of land wheel drive centrifugal machine lawn. The design of the key design machine speed conversion institutions, impeller, drive to wheel and other structure design choice, from the function of mechanism motion, according to the variation of legal-and analogy method of complete institutions members and design, compact structure, small volume, light weight, low noise, no pollution, use convenient and flexible characteristics, suitable for the average lawn of the seeds. By hand to provide power to push, without engine drive, energy conservation and environmental protection, the use of safe, reliable, easy to m