机械5

斜坡地割草机设计 摘要：本次设计的斜坡地割草机主要由电机、机架总成、割草装置、调高机构、控制机构、行走总成、铰链组成，机架总成由割草机箱体、前后轴支撑架，割草装置由割草电机、导流罩、传动轴、割刀盘和割刀组成。本次设计通过铰链连接的方式实现了平地与斜坡地同时作业，这样既实现了平地的割草工作又做到了斜坡地的割草工作极大的提高了割草机的工作效率。本次设计的斜坡割草机既适用于平地又适用于斜坡地的两用割草机，使用电机作为割刀工作，以人工推动驱动轮行走实现了既无废气又无噪音污染。符合环保要求。 关键词：斜坡地；草坪；割草机；环保 Desig
n ofweedi
ng machi
ne for slope area Abstract：The desig
n of the slope grou
nd mower is mai
nlycomposed of a motor,a machi
ne frame assembly,cutti
ng device,the regulati
ng mecha
nism,co
ntrol mecha
nism,walki
ng assembly,a hi
nge,a frame assemblybymowi
ng machi
ne boxbody,fro
nt a
nd rear axle support frame,mowi
ng apparatus comprises a mowi
ng motor,dome,drive shaft,cutter disk a
nd a cutti
ng k
nife.This desig
n through the hi
nge co
n
nectio
nwayof plai
n a
nd slope la
nd at the same time,it ca
n impleme
nt the grou
nd law
n mowi
ng jobs do i
ncli
ned slope of the mowi
ngwork greatlyimproves thework efficie
ncyof the law
n mower.The desig
n of the slope law
n mower is suitable for flat grou
nd a
nd suitable for sloped la
nd two-purpose mower,usi
ng a motor as the cutter,with artificial push the drivewheelwalki
ng achieved
neither exhaust gas a
nd
noise pollutio
n.I
n li
newith the requireme
nts of e
nviro
nme
ntal protectio
n. Keywords：Slope la
nd; Law
n; Law
n mower; E
nviro
nme
ntal protectio
n 目录 摘要……………………………………………………………………………1 关键词…………………………………………………………………………1 1前言……………………………………………………………………………2 1.1割草机的发展历史…………………………………………………………………2 1.2我国割草机的发展…………………………………………………………………3 1.2.1发展状况…………………………………………………………3 1.2.2存在问题……………………………………………………………3 1.3斜坡地割草机的使用………………………………………………………………4 1.3.1设计用途………………………………………………………………………4 1.3.2注意事项………………………………………………………………………4 2割草机的概述……………………………………………………………………………5 2.1割草机的分类………………………………………………………………………5 2.2割草机割草的基本要求……………………………………………………………6 2.3本割草机的结构特点与工作原理…………………………………………………6 3割草机的设计计算………………………………………………………………………8 3.1电动机的选择………………………………………………………………………8 3.2割刀轴的设计………………………………………………………………………8 3.2.1轴的设计………………………………………………………………………8 3.2.2轴的材料选择…………………………………………………………………9 3.2.3轴的计算………………………………………………………………………9 3.3刀片的设计及其计算………………………………………………………………12 3.4内置调高机构的设计………………………………………………………………14 3.4.1内置调高结构的设计计算……………………………………………………14 3.5铰链的设计…………………………………………………………………………17 4结论…………………………………………………………………………18 参考文献……………………………………………………………………19 致谢……………………………………………………………………………19