机械5

伸缩式自动晾衣架设计 摘要：晾衣架最简单的一种是一根竹竿固定或悬挂在屋顶板下、窗外等地方；现在的居民很多是在天花板下焊接一根铁管作为晾衣架的挂具，晾衣服时，必须将衣服一件一件地穿上衣架，再用杈子将衣服挂在铁管上，工作效率低，又不方便，时常将衣服掉地弄脏，而且还不能充分利用阳光。而目前市场上所卖的自动晾衣架只能满足单一的升降或单一的收缩功能，但升降功能只能解决挂衣服费力的问题却不能很好的利用阳光资源，而收缩功能刚好相反，只能解决充分利用阳光资源但不能解决费力这个问题。 关键词：晾衣架；效率；自动；收缩；升降功能 Automatic clothes ha
nger desig
n Abstract: the clothes ha
nger, the simplest is a bamboo pole fixed or hu
ng o
n the roof plate, out of the wi
ndow a
nd other places;
now ma
ny reside
nts i
n the ceili
ng is welded with a pipe as ha
ngi
ng clothes ha
nger, clothes, must take the clothes to wear clothes rack, a
nd the
n bra
nched sub clothes ha
ngi
ng i
n the pipe, the worki
ng efficie
ncy is low, a
nd i
nco
nve
nie
nt, ofte
n will fall to dirty clothes, but also ca
n
not make full use of the su
n. Curre
ntly o
n the market a
nd sell automatic clothes ha
nger ca
n o
nly satisfy the si
ngle lifti
ng or co
ntractio
n of si
ngle fu
nctio
n, but the fu
nctio
n of lifti
ng ca
n o
nly solve the ha
ngi
ng clothes laborious problem but su
nshi
ne resources ca
n
not be used, while the systolic fu
nctio
n is just the opposite, ca
n o
nly solve the full use of su
nlight resources but ca
n
not solve the problem of labor. Keywords: clothes ha
nger; efficie
ncy; automatic; shri
nkage; lifti
ng fu
nctio
n 目录 1绪论1 1.1自动晾衣架在生产和生活中的作用和意义1 1.2自动晾衣架国内研究发展情况1 1.3自动晾衣架国外发展现状和发展趋向1 1.4课题条件5 2自动晾衣架设计方案及方案的对比和确定6 2.1方案一6 2.2方案二9 2.3方案的对比和确定13 3自动晾衣架设计主要结构的计算14 3.1研究内容14 3.2蜗轮蜗杆减速器设计参数要求14 3.3蜗轮蜗杆的传动设计15 3.4蜗杆、蜗轮的基本尺寸设计19 3.5蜗轮轴的尺寸设计与校核20 3.6减速器箱体的结构设计22 3.7轴的校核24 3.7.1蜗杆轴的强度校核24 3.7.2蜗轮轴的强度校核27 3.7.3滚动轴承的选择及校核31 3.7.4键联接的强度校核35 3.8剪叉式自动晾衣架的校核37 3.8.1各铰接点销的选择与校核37 3.8.2剪叉臂的强度校核37 3.9同步带传动计算40 3.9.1同步带计算选型40 3.9.2同步带的主要参数（结构部分） 43 3.9.3同步带的设计45 3.9.4同步带轮的设计45 4自动晾衣架设计三维建模47 总结49 致谢50 参考文献51