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甘草收获机的设计.rar

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甘草收获机的设计.rar

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冉卫刚
冉卫刚
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../2 冉卫刚-任务书.doc [36 KB]
../2 冉卫刚-任务书.doc [36 KB]

文档介绍

文档介绍:甘草收获机的设计学生姓名冉卫刚学号 8031212222 所属学院机械电气化工程学院专业农业机械化及其自动化班级 16-2 指导老师马少辉日期 塔里木大学机械电气化工程学院制 16届毕业设计前言随着新疆地区甘草需求量的日益增大,甘草的人工种植规模也越来越大,与此同时急需面对解决的问题就是甘草的机械化收获。本文结合新疆北疆地区甘草的种植模式以及国内外长根茎药材收获机械的研究现状, 设计了一种适应于北疆地区砂质土壤的甘草收获机械, 一次性完成甘草的挖掘、分离、铺放等工作,提高了机具的工作效率。本文主要在以下几个方面做了深入研究: (1) 介绍了目前国内外甘草及长根茎药材机械化收获的现状和未来发展趋势,阐述了研究的意义、目的及所需解决的关键问题。(2) 根据新疆北部地区甘草收获机械化的设计要求,确定了甘草收获机的功能及整机结构方案。(3) 通过对现有市面上挖掘铲的种类及挖掘性能的分析研究, 设计了一种栅条式挖掘铲, 将固定三角铲面及栅条相结合,并通过理论计算确定其参数值。(4) 通过分析本次甘草收获机械的挖掘深度及分离状态, 设计了一种振动式分离输送装置, 将甘草与土壤分离并且从地下输送至地表。关键词: 甘草收获机;挖掘铲;分离装置目录 1 绪论................................................................................................................................................................. 1 研究背景及意义................................................................................................................................. 1 国内外甘草收获机械的研究现状..................................................................................................... 2 目前存在的问题................................................................................................................................. 3 甘草收获机械的发展趋势................................................................................................................. 3 研究内容............................................................................................................................................. 4 研究方法及技术路线......................................................................................................................... 4 2 甘草收获机总体的设计................................................................................................................................ 4 甘草的机械化收获............................................................................................................................. 4 甘草收获机的设计要求..................................................................................................................... 4 甘草收获机的组成和工作原理......................................