机械5

棉花移栽机的研究与设计 摘要 根据作物育苗移栽的农艺要求，在分析了国内外众多移栽机的基础上优化设计了适合棉花营养钵育苗移栽的的关键部件，并通过作业效果调查，分析研究了机械栽苗的一般规律，找出了影响栽苗效果的若干因素，确立了主要的工作部件的参数选择 关键词：移栽机营养钵棉花 Abstract Accordi
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n 目录 摘要………………………………………………………………………………… 1 1前言…………………………………………………………………………… 2 2移栽机械的国内外现状………………………………………………………… 3 3设计方案的选择……………………………………………………………… 4 3.1钳夹式移栽机………………………………………………………………… 4 3.2链夹式栽植机………………………………………………………………… 4 3.3挠性圆盘移栽机……………………………………………………………… 4 3.4吊篮式移栽机………………………………………………………………… 4 3.5导苗管式移栽机……………………………………………………………… 5 3.6带式栽植机………………………………………………………………………5 4机具的机构特点………………………………………………………………… 6 4.1整机机构特点……………………………………………………………………6 4.2主要技术参数……………………………………………………………………6 4.3主要工作部件的结构特点及作用………………………………………………7 4.3.1地轮……………………………………………………………………7 4.3.2开沟器…………………………………………………………………7 4.3.3镇压轮…………………………………………………………………7 4.3.4覆土器…………………………………………………………………7 4.4设计棉花移栽机械的原理………………………………………………………8 4.4.1零速原理………………………………………………………………8 4.4.2栽植机械的结构设计…………………………………………………8 5地轮轴的校核………………………………………………………………… 10 6设计时间的安排……………………………………………………………… 13 7结论和总结…………………………………………………………………… 14 8谢词……………………………………………………………………………14 参考文献………………………………………………………………………………15