毕业设计(论文)-2F-1.5型有机肥撒施机的设计.docx
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1、毕业设计中文摘要2F-1.5型有机肥撒施机的设计摘要有机肥在我国使用历史悠久,但我国的相关的机械设备发展仍比较落后,抛撒需要大量人力物力,效率低下且效果并不理想,结合我国目前的人均耕地面积小的实际情况,设计适合的有机肥撒施机具有重要意义。本次设计的目标是设计一台牵引式的固态有机肥撒施机,在查阅大量资料和文献的基础上,最终确定了要设计一个容量为2n撒施幅宽为1.5m,工作效率为一小时22亩的有机肥撒施机。选择方形肥箱,输送装置为刮板输送装置,选择液压马达驱动并且用链传动达到减速和运行的目的。选用高强度圆环链作为输送链条,驱动链轮的窝眼数确定为6,链传动传动比为6,传动轴直径选择为55nm1。抛撒
2、装置选用圆盘抛撒,抛撒圆盘的直径为0.5m,两抛撒圆盘中心距为0.5m,抛撒圆盘距地面的高度为0.4m,抛撒圆盘转速为135r/min,拖拉机动力输出轴输出的动力通过一个万向节,经过一个输入齿轮箱,完成第一次减速,又经过两个相同的抛撒传动齿轮箱,完成第二次减速,带动圆盘转动。选用三组相同的锥齿轮减速器,传动比为2。关键词:有机肥;撒施机;输送装置;抛撒装置毕业设计英文摘要Design of 2F-1.5 type organic fertilizer applicatorAbstractOrganic fertilizer has a long history of use in China,
3、 but the development of relatedmachinery and equipment in China is still relatively backward. Dispersal requires a lot ofmanpower and material resources, the effect is not ideaL Combined with the actualsituation of the small per capita arable land area in China at present, it is of greatsignificance
4、 to design suitable organic fertilizer applicator.The goal of this design is to design a tractor-type solid organic fertilizer spreader. Itis finally determined to design a capacity of 2m3, the width of the spreader is L5m, andthe working efficiency is 22 mu per hour.Choose square fertilizer box, co
5、nveying device for scraper conveying device,choose hydraulic motor drive and chain drive to achieve the purpose of deceleration andoperation. The high strength circular chain is selected as the conveying chain. Thenumber of holes in the drive sprocket is determined as 6, the chain transmission ratio
6、 isdetermined as 6, and the diameter of the drive shaft is selected as 55mm.Dispersing device adopts disc dispersing device. The diameter of the dispersing discis 0.5m, the center distance between two dispersing disks is 0.5m, the height of thedispersing disc is 0.4m, and the speed of the dispersing
7、 disc is 135r/min. The outputpower of the tractor passes through a universal joint and an input gearbox .The seconddeceleration is completed through two identical spreading transmission gearboxes todrive the disc to rotate Choose three groups of the same bevel gear reducer, transmissionratio is 2.Ke
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