机械5

秸秆打捆机的设计 摘要 我国自古以来就是农业大国，拥有广袤的土地，人民在从事农业生产活动中不仅获得了粮食，还获得了很多的秸秆资源。秸秆作为可再生资源，在我国大部分地区都没有得到重视，其使用情况更是不容乐观，大部分地区的做法是将秸秆在田地里直接粉碎还田，有些地区甚至将秸秆就地焚烧，不仅会影响气候环境使全球变暖，甚至有的时候会引发山林大火，危机人民的生命安全，也造成了资源浪费。而秸秆作为资源使用的前提是要能够易于收集、运输。为此需要设计一款符合中国实际情况的秸秆打捆机。为此本文是针对现有的YY5080型秸秆打捆机进行改进设计。 本文开头先分析了我国目前秸秆资源的利用情况及打捆机的发展趋势，研究的背景和意义；对国内外秸秆打捆机的发展状况进行了简要介绍。设计的主要内容包括对秸秆打捆机的捡拾装置进行改进，加宽了捡拾机构的作业幅度及在原有弹齿的基础上增加了软弹齿，田地里的秸秆被清理的更加干净，提高了捡拾效率。改善了喂入装置，增强了喂入装置的推送能力。针对上述改进对打捆机的整机结构进行了调整。对打捆机的传动系统进行计算及校核。并运用CAD软件进行辅助设计。该机采用拖拉机后悬挂的方式进行牵引，结构简单，体积也相对较小，性能良好，容易操作，适合我国这种小农经济社会。 关键词：圆捆机；捡拾机构；喂入机构；牵引式 英文摘要 Desig
n of Straw Bale Machi
ne Abstract Chi
na has bee
n a
n agricultural cou
ntry si
nce a
ncie
nt times, with a vast la
nd, people e
ngaged i
n agricultural productio
n activities
not o
nly obtai
ned food, but also obtai
ned a lot of straw resources. Straw as a re
newable resource i
n our cou
ntry, most areas have
not bee
n ig
nored, its usage is
not optimistic, most of the regio
n, it is straw retur
ni
ng directly crushi
ng i
n the fields, some areas eve
n bur
ned straw i
n situ, that global warmi
ng will
not o
nly affect climate e
nviro
nme
nt, sometimes eve
n cause wildfires, crisis of people's life safety, It is also a waste of resources. The premise of usi
ng straw as a resource is to be easy to collect a
nd tra
nsport. Therefore, we
need to desig
n a straw baler suitable for Chi
na's
natio
nal co
nditio
ns. Therefore, this paper is aimed at the existi
ng YY5080 straw baler to improve the desig
n. At the begi
n
ni
ng of this paper, the utilizatio
n of straw resources i
n Chi
na a
nd the developme
nt tre
nd of bali
ng machi
ne are a
nalyzed, a
nd the backgrou
nd a
nd sig
nifica
nce of the research are also a
nalyzed. The developme
nt of straw baler at home a
nd abroad is briefly i
ntroduced. The mai
n co
nte
nt of the desig
n i
ncludes improvi
ng the picki
ng device of the straw baler, broade
ni
ng the scope of the picki
ng mecha
nism a
nd addi
ng soft picki
ng teeth o
n the basis of the origi
nal picki
ng teeth, so that the straw i
n the field is clea
ned more clea
nly a
nd the picki
ng efficie
ncy is improved. The feedi
ng device is added to e
nha
nce the feedi
ng capacity of the baler. I
n view of the above improveme
nt, the whole structure of the baler is adjusted. Desig
n a
nd check the drivi
ng system a
nd mai
n parts of the bali
ng machi
ne. CAD software is used to assist the desig
n. This machi
ne adopts the way of tractor rear suspe
nsio
n tractio
n, simple structure, relatively small volume, good performa
nce, easy to operate, suitable for our cou
ntry this ki
nd of smallholder eco
nomy a
nd society. Keywords: rou
nd baler; Pickup mecha
nism; Feedi
ng mecha
nism; Tractio
n type 目录 1.引言- 1 - 1.1选题背景、意义- 1 - 1.2秸秆打捆机国内外研究现状- 1 - 1.2.1国外研究现状- 1 - 1.2.2国内研究现状- 2 - 1.3秸秆打捆机的发展前景- 3 - 2.技术任务书- 4 - 2.1结构及工作原理概括- 4 - 2.2关键问题及解决措施- 5 - 3 .设计计算说明书- 6 - 3.1.捡拾装置- 6 - 3.1.1捡拾装置结构分析- 6 - 3.1.2捡拾装置基本参数的选择与关键部件的设计- 8 - 3.2喂入机构- 13 - 3.2.1喂入机构功能- 13 - 3.2.2改进后喂入机构- 14 - 3.2.3喂入机构的转速- 15 - 3.3打捆室- 16 - 3.3.1工作原理- 16 - 3.3.2打捆室结构- 16 - 3.3.3打捆室辊筒的转速- 16 - 3.4传动系统设计- 17 - 3.4.1动力选择及确定传动比- 17 - 3.4.2减速器的设计计算- 18 - 3.4.3链传动的设计- 26 - 3.4.4轴的设计- 27 - 4.使用说明书- 34 - 5.标准化审查报告（BS） - 35 - 5.1产品图样及技术文件的完整性- 35 - 5.2综合评价- 35 - 6.结论- 36 - 参考文献- 37 - 致谢- 39 -