联合花生收割机毕业设计

青岛理工大学

毕 业 设 计（论 文）

题目：收获机械加持输送机构设计

院 别： 汽车与交通学院

专业班级： 09车辆工程2班

学生姓名： ***

学 号： *********

指导教师： ***

2013年5月28日

摘 要

针对国内花生种植面积相当大以及主要以人力畜力为主进行收获的现状，来设计香型的花生收割机械来提高效率解放人力。本文主要设计研究了办喂入式联合花生收割机的各主要机构。该机器的摘果、抖土及清选部件主要是由摘果滚筒、刮板输送带、清选风机、振动筛、螺旋输送器、抖土装置等组成。主要的工作过程是：花生通过夹持装置喂入摘果滚筒，摘果后花生果经过抖土装置抖土后，再经过刮板输送带输送到振动筛，在振动筛和清选风机的联合作用下对花生进行清选，经淸选的花生果落入螺旋输送器被输送到一侧，最后输送进入收获箱箱。本文的滚筒采用差相对辊组配式，抖土装置采用震动四边形结构，清选采用风筛组合式。文中主要分析了各部件的工作原理，动力传递过程，论述了其工作过程，并做出了相应的理论分析，计算了每个零部件的结构尺寸、转速和功率。

Abstract

For so large area planting about peanut in China,.We harvest them depending on labour power and animal

power. I feel like designing some machine to increase the efficiency.The stripping and cleaning parts of half

feeding peanut combine have been designed and researched in the paper.The stripping and cleaning parts include

picking cylinder,vibrated picker,air blower, crew conveyor and so on.The working process of the stripping and

cleaning system is that :the unpicked peanut is conveyed to picking roller by holding device then the picked

peanut is delivered to vibrated picker by paddle-type elevator,at last ,it is conveyed by crew conveyor with holes

to classified box. In this paper the picking cylinder is back-roll type and the cleaning system is combined with

vibrated picker and air blower. This paper mainly analyses the working principle of components,calculates the

structure size ,speed and needed power of every parts,it also discusses the working process,and makes the

corresponding theoretical analysis.

目 录

摘 要 ....................................................................................I

Abstract ..................................................................................I

目 录 ....................................................................................1

1 前 言 ..................................................................................3

1.1 设计的目的和意义 ..................................................................3

1.2 花生收获机的国内外发展现状 ........................................................4

2 总体设计 ................................................................................7

2.1摘果及清选装置的研究现状 ..........................................................7

2.2 摘果、抖土及清选部件的主要研究内容及设计要求 ......................................7

2.2.1 研究内容 ....................................................................8

2.2.2 设计过程 ....................................................................8

3 抖土机构设计 ............................................................................9

3.1抖土部分的主要研究内容及设计要求 ..................................................9

3.1.1 研究内容 ....................................................................9

3.1.2 设计要求 ....................................................................9

3.2抖土部分工作原理及动力传递计算 ....................................................9

3.3抖土部分图纸 .....................................................................11

4 摘果机构的设计 .........................................................................13

4.1摘果机构的主要研究内容及设计要求 .................................................13

4.1.1 研究内容 ...................................................................13

4.1.2 设计步骤 ...................................................................13

4.1.3 设计要求 ...................................................................14

4.2摘果滚筒长度的确定 ...............................................................14

4.3摘果滚筒转速的计算 ...............................................................14

4.4摘果滚筒直径计算 .................................................................15

4.5摘果部分图纸 .....................................................................16

4.6摘果滚筒的功率计算 ...............................................................17

5 扶禾器和输送带的设计 ...................................................................18

5.1结构分析 .........................................................................18

5.2输送器部分 .......................................................................19

5.2.1刮板输送器升运量的计算 .....................................................19

5.2.2 输送器功率计算 .............................................................20

5.3输送器链传动的设计计算 ...........................................................21

5.3.1 链轮设计 ...................................................................21

5.3.2 链轮轮廓计算· .............................................................23

5.4 卸粮开口的长度 ...................................................................24

6 风机、筛子清选机构设计 ................................................................25

6.1 振动筛的设计计算 .................................................................25