机械5

大白菜收获机机械部份——锁紧及切削机构的设计 摘要 随着新的农业生产模式和新技术的发展与应用，农业机器将成为农业生产的主力军。该文在分析大白菜收获机工作特点的基础上，从大白菜的采摘、转运、打包等方面进行分析。其中主要对锁紧机构和切削刀部分做了详细的说明。该大白菜收获机适用于家用收割大白菜，结构简单、制造成本低。 该大白菜收获机的锁紧部分采用斜楔锁紧，切削刀采用固定式切削刀，本文主要介绍了斜楔锁紧机构的设计过程，对它可能出现的松动做了相应的放松措施。对于切削过程中刀具可能出现的状况做了相应的分析。还对其各零件的结构和选材做了详细的分析。整个结构简单、可操作性强、安全可靠。 关键词：大白菜、收获机、斜楔锁紧、固定式切削刀 Subject: Desig
ni
ng of cabbage harvest machi
nery Abstract With the
new model of agricultural productio
n a
nd
new tech
nology developme
nt a
nd applicatio
n of agricultural machi
nery will become a major force i
n agricultural productio
n. I
n this paper, the a
nalysis of the characteristics of Chi
nese cabbage harvesti
ng machi
ne work o
n the basis of the picki
ng from the Chi
nese cabbage, tra
nsit, packagi
ng, etc. for a
nalysis. The mai
n body of the lock a
nd cutti
ng k
nife part of a detailed descriptio
n. The Chi
nese cabbage harvesti
ng machi
ne for cabbage harvest home, simple structure, low ma
nufacturi
ng costs. The Chi
nese cabbage harvesti
ng machi
ne parts Wedge locki
ng locki
ng, the use of fixed cutti
ng k
nife cutti
ng k
nife, the paper i
ntroduces the body Wedge Lock desig
n process, it may be loose
ned so the correspo
ndi
ng relaxatio
n. Tool for cutti
ng the course of the situatio
n that may arise to do the correspo
ndi
ng a
nalysis. Also parts of its structure a
nd material to do a detailed a
nalysis. The e
ntire structure is simple, feasible, safe a
nd reliable. Keywords: Chi
nese cabbage; Harvesti
ng machi
ne; Wedge Lock; Fixed cutti
ng k
nife 目录 摘要i 1绪论- 1 - 1.1引言- 1 - 1.2大白菜收获机总体部分的介绍- 1 - 1.2.1收获机提升运输装置简介- 2 - 1.2.2收获机输送部分简介- 3 - 1.2.3锁紧机构简介- 4 - 2锁紧机构的设计- 6 - 2.1锁紧装置的设计要求- 6 - 2.3锁紧机构的原理设计- 6 - 2.4锁紧机构的零件设计- 7 - 2.4.1斜楔的设计- 7 - 2.4.2滑动块的设计- 8 - 2.4.3导轨的设计- 9 - 2.5防松装置的零件设计- 9 - 2.5.1防松机构的原理说明- 10 - 2.5.2弹簧的设计- 11 - 2.5.3压块的设计- 11 - 2.5.4开槽体和支架的设计- 11 - 2.5.5防松柱销的设计- 11 - 2.5.6螺纹空管的设计- 12 - 2.5.7手柄的设计- 12 - 2.5.8弹簧固定杆的设计- 12 - 3切削机构的设计- 12 - 3.1切削刀的分析- 13 - 3.1.1切削刀的切削情况- 13 - 3.1.2切削刀的选用- 13 - 3.2切削机构零件的设计- 13 - 3.2.1刀片的设计- 13 - 3.2.2压刀板和刀杆的设计- 14 - 4结论- 15 - 4.1主要结论- 15 - 4.2问题与展望- 15 - 参考文献- 16 - 致谢- 17 -