本次设计首先，通过对果园开沟施肥机现状、结构及原理进行分析，在此分析基础上提出了其设计方案，主要特点是结构简单、紧凑，各个零件的要求较低，便于生产加工；该机器工作可靠，能较好地满足果园的开沟和施肥工作。接着，对主要技术参数进行了计算选择；然后，对各主要零部件进行了设计与校核；最后，通过AutoCAD制图软件绘制了装配图及主要零部件图，并进行三维设计。 关键词：果园；开沟装置；施肥装置；覆土装置 Abstract I
n order to e
nsure the quality of furrow fertilizatio
n, improve the efficie
ncy of operatio
n a
nd reduce the cost of productio
n, a ki
nd of furrow fertilizatio
n machi
ne with stable performa
nce is
needed. This desig
n of orchard ditchi
ng fertilizer machi
ne is mai
nly composed of walki
ng tractor, ditchi
ng device, fertilizer device, lifti
ng device a
nd soil coveri
ng mecha
nism. First of all, based o
n the a
nalysis of the curre
nt situatio
n, structure a
nd pri
nciple of the orchard ditchi
ng a
nd fertilizi
ng machi
ne, this paper puts forward its desig
n scheme, which is characterized by simple a
nd compact structure, low requireme
nts for various parts, a
nd easy productio
n a
nd processi
ng; the machi
ne works reliably a
nd ca
n better meet the ditchi
ng a
nd fertilizi
ng work of the orchard. The
n, the mai
n tech
nical parameters are calculated a
nd selected; the
n, the mai
n parts are desig
ned a
nd checked; fi
nally, the assembly drawi
ng a
nd mai
n parts drawi
ng are draw
n by AutoCAD drawi
ng software, a
nd three-dime
nsio
nal desig
n is carried out. Key words: Orchard; Ditchi
ng Device; Fertilizatio
n Device; Soil Coveri
ng Device 目录 摘要I Abstract II 第1章绪论1 1.1研究背景及意义1 1.2国内外研究及发展现状1 1.2.1国内研究及发展现状1 1.2.2国外研究及发展现状2 1.3开沟施肥机分类2 第2章总体方案设计4 2.1设计要求4 2.2常用果园开沟施肥机结构分析4 2.2.1悬挂式开沟施肥机4 2.2.2自走式开沟施肥机4 2.3方案的设计5 2.3.1设计思路5 2.3.2开沟施肥装置方案5 2.3.3整机方案6 2.3.4工作原理7 2.4基本参数选定7 第3章主要零部件的设计及计算8 3.1开沟刀盘设计8 3.2传动机构设计9 3.2.1开沟传动机构设计9 3.2.2施肥传动系统设计10 3.2.3链轮的选型与设计计算11 3.2.4链轮轴的设计计算与校核12 3.2.5开沟传动轴的设计计算与校核13 3.3覆土装置的设计15 3.4排肥绞龙的设计17 3.5传动箱箱体的设计18 总结19 参考文献20 致谢21