机械5

红薯分级分选机的设计 摘要：本文分析了中国国内外红薯分级分选机的研究和发展现状，对未来进行了展望，设计出了一种新型红薯分级分选机构。该红薯分级分选机是由分级滚筒、传动机构和电动机组成。采用电动机提供动力，通过带轮传动机构，将运动和动力传送到直齿圆柱齿轮减速器，然后再通过链轮传动机构，将所需的运动和动力传送至分级滚筒上，从而实现红薯的分眩整个机构简单且易于操作，便于维护，提高了生产效率，降低了劳动强度，为实现红薯加工机械化与规模化提供了前提。 关键词：红薯；形状；分级机构；分级滚筒； The desig
n of sweet potato sorti
ng machi
ne Abstract: This paper a
nalyzes the prese
nt situatio
n of the Chi
nese domestic a
nd foreig
n sweet potato sorti
ng machi
ne research a
nd developme
nt, o
n the future prospects, we desig
n a
new type of sweet potato sorti
ng mecha
nism. The sweet potato sorti
ng machi
ne is composed of gradi
ng cyli
nder, tra
nsmissio
n mecha
nism a
nd a motor. The power provided by a motor, through a belt pulley tra
nsmissio
n mecha
nism, the moveme
nt a
nd power is tra
nsmitted to the straight tooth cyli
ndrical gear reducer, a
nd the
n through the chai
n wheel tra
nsmissio
n mecha
nism, the required moveme
nt a
nd power is tra
nsmitted to the classificatio
n o
n the drum, thereby we ca
n realize the separatio
n of sweet potato. The e
ntire mecha
nism is simple a
nd easy to operate, easy to mai
ntai
n, improve productio
n efficie
ncy, reduce labor i
nte
nsity, which help to achieve the sweet potato processi
ng mecha
nizatio
n a
nd scale a
nd to provide the premise. Key Words: sweet potato; shape; the gradi
ng mecha
nism; gradi
ng cyli
nder 目录 摘要…………………………………………………………………………………………1 关键词………………………………………………………………………………………1 1前言………………………………………………………………………………………2 2总体方案的拟定…………………………………………………………………………3 2.1原理分析…………………………………………………………………………3 2.2总体结构设计……………………………………………………………………5 2.3各执行机构主要参数的计算…………………………………………………6 2.4传动装置的运动和动力参数的计算…………………………………………13 3主要零件的选择和设计………………………………………………………………15 3.1皮带传动的设计计算…………………………………………………………15 3.2直齿圆柱齿轮的设计计算……………………………………………………17 3.3滚子链传动的设计计算………………………………………………………20 3.4轴的设计计算…………………………………………………………………21 3.4.1高速轴的设计计算……………………………………………………21 3.4.2低速轴的设计计算……………………………………………………24 3.5轴承的校核……………………………………………………………………27 3.6键的设计计算与校核…………………………………………………………27 3.7润滑与密封……………………………………………………………………28 3.8主要缺点和有待进一步改进的地方…………………………………………29 4结束语…………………………………………………………………………………29 参考文献………………………………………………………………………………30 致谢……………………………………………………………………………………31 附录……………………………………………………………………………………32