BIANSUGAI.dwg
BIANSUGAI.dwg

小型烟草培土机的设【8张图纸】【优秀】【带三维】【机械毕业设计】

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[A0060]小型烟草培土机的设计.zip
[A0060]小型烟草培土机的设计
毕设.docx---(点击预览)
本科毕业设计任务书1.doc---(点击预览)
开题报告2.rtf---(点击预览)
zijia.dwg---(点击预览)
ZHOU2.dwg---(点击预览)
ZHOU.dwg---(点击预览)
peitudao.dwg---(点击预览)
LUOGAN.dwg---(点击预览)
BIANSUGAI.dwg---(点击预览)
A1guajie.dwg---(点击预览)
A0装配图.dwg---(点击预览)
三维建模
08a-1_20_25_20.prt.1
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asm0004.asm.1
ban2-2.prt.1
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biansugai.prt.1
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std.out
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编号:445016    类型:共享资源    大小:46.62MB    格式:ZIP    上传时间:2015-06-29 上传人:小*** IP属地:福建
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a0060 小型 烟草 培土 设计
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目录

摘 ?要I

AbstractII

第一章 绪论- 1 -

1.1课题背景- 1 -

1.2国内外现状- 1 -

1.2.1国内现状- 1 -

1.2.2国内现状- 4 -

1.3本文研究的主要内容- 4 -

第二章 培土机的工作原理与动力分析- 5 -

2.1烟草培土机的工作原理- 5 -

2.2动力分析- 5 -

第三章 动力机构的选择和计算- 6 -

3.1动力的选择- 6 -

3.2动力传动部分的设计方案- 7 -

3.3传动比的分配计算- 8 -

3.3.1动力轴至培土刀传动比的分配- 8 -

3.4第一级链传动设计- 9 -

3.5第二级链传动设计计算- 12 -

3.6中间轴的设计- 14 -

3.6.1分析中间轴的功率,  转速,转矩- 14 -

3.6.2初步确定轴最小直径- 15 -

3.6.3轴的结构设计- 15 -

3.6.4轴上载荷的计算- 17 -

3.7 培土轴的设计- 20 -

3.7.1培土轴材料的选用- 20 -

3.7.2 分析培土轴的功率P3,转速n3,转矩T3- 20 -

3.7.3初步确定轴最小直径- 21 -

3.7.4轴的结构设计- 21 -

3.7.5轴上载荷的计算- 22 -

第四章 烟草培土机的主要机构设计- 26 -

4.1培土刀部件的设计- 26 -

4.2限深装置的设计- 27 -

4.3调整挡泥板的设计- 27 -

第五章 总结- 29 -

致  谢- 31 -


摘 ?要

目前,我国南方山区烟田培土大多数仍采用传统的人畜力作业方式,作业质量差,培土高度受到制约,且工作效率低,生产成本高。推广应用培土机械化技术,对于降低农民劳动强度、促进农业增效、农民增收有着重要意义;对烟田沟底垄面进行培土除草是烟田耕作的重要组成部分,是保证烟草产量和质量的主要环节之一,目前所用的培土机均无垄面除草装置,工作过程中直接把沟底的土翻到垄面上,将杂草覆盖,治标不治本,杂草的生长与烟草竞争养分,不利于烟草的成长。本设计采用增加除草刀的方式,清除垄面杂草,同时在两边采用特殊挡泥板装置,可实现培土时不需人工辅助遮挡烟叶,有效做到培土过程中对烟叶的保护。本设计针对上述机械,运用大学所学知识对该机的主要工作部件进行设计研究。

关键词:烟田培土机;培土;除草;培土刀



Abstract

    Tobacco field soil are still using the traditional manual mode of operation in hilly area of South China, It is very backward that ridging height is restricted,and the work efficiency is low, It have important significance to promote mechanization technology for reducing the labor intensity of farmers and Promoting agricultural efficiency. To earth up on tobacco field furrow is an important part of tobacco farming, At present, ditching bottom soil over the ridge directly when the machine works. It is not conducive to the growth of tobacco that the growth of weeds and tobacco competition for nutrients, This design uses the weeding wheel to clear the ridge weeds, and fender supporting device can effectively protect the tobacco leaf. This design using the University of knowledge to research the main working components.

Keywords: Tobacco ridging machine; Hilling; Hoe; Hilling knife


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本文标题:小型烟草培土机的设【8张图纸】【优秀】【带三维】【机械毕业设计】
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