一种新型前置式开沟机的研制.doc
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- 一种 新型 前置 式开沟机 研制
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1、摘 要 介绍了一种前置式开沟机的工作原理、主要技术参数、整机结构及生产应用情况,并分析了其特点。上世纪80年代,国内研制出比较有代表性的大型圆盘开沟机、小型圆盘开沟机、链条开沟机、螺旋开沟机及抛土开沟犁等机型,并批量生产。其中,生产使用较多的为前置式小型圆盘开沟机。但是这些开沟机存在功耗大、抛土不匀,在泥泞田地无法使用的问题,为此提出一种小型开沟机刀盘的新设计方案,并进行理论分析。 新型前置式开沟机,属于农业机械技术领域。该机包括用于安装连接在手扶拖拉机的前方机架上的机架臂及机架臂上安装的刀盘、皮带轮、齿轮箱,刀盘中心低于手扶拖拉机的前方机架的高度。安装连接在手扶拖拉机的前方机架上的机架臂是向
2、下倾斜的或者中间呈弯曲状态,使开沟机距手扶拖拉机的距离缩短,降低了前方的重力距;还使刀盘距地高度降低,从而降低了开沟机作业时手扶拖拉机的倾斜角度。本实用新型结构新颖,合理、简单,生产制造容易,特别是降低了劳动强度,提高开沟的直线性和工作效率,有利于延长柴油机的使用寿命,有极大的推广实用价值和广阔的市场前景。关键词 开沟; 刀盘; 抛土; 分土板; 滑撬ABSTRACTIntroduce a front-trenching machine works.The main technical parameters.The whole structure and production applicat
3、ions .And analysis of its characteristics.1980s .Domestic development of more representative of the large disc trencher Small disc trencher Chain trencher Spiral trenching machine and throwing soil trenching plow .And mass production .Production and use more as a pre compact disks trencher However,
4、these trencher power consumption. Throwing soil uneven .In the muddy fields can not be used .Put forth a small trencher cutter design and theoretical analysis New front-trenching machine Is the field of agricultural machinery technology .The machine used to install the rack arms and rack arm connect
5、ed to the walking tractoron the front of the rack cutter installed Pulley Gear box The center of the cutter head is lower than the height of the walking tractor in front of therack .Installation connected to the walking tractor in front of the rack on the rack arm was bentdownward sloping or interme
6、diate .To shorten the distance away from the walking tractor trencher Reducing the front of the gravity . Cutter reduced the height from the ground, thereby reducing the tilt angle of the walking tractor in the operation of the trencher .The new structure is novel Reasonable simple easy to manufactu
7、re. In particular reducing the labor intensity and improve the linearity and efficiency of theditching .Help extend the service life of diesel engines, there is a great promotion of practical value and broad market prospects .Key words:Ditch; Cutter; Throwing soil; Sub-soil plate; Skid 目 录第一章 引言1第二章
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