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shu cai qi zuo bo zhong ji
Pages: 3-4
Year: Issue:  3
Journal: Farm Machinery

Keyword:  犁体大萝卜开沟器工作阻力垅作上图排种器挤压作用培土器开沟播种;
Abstract: <正> 该机适应于垅作大白菜、大萝卜机械化起垅与播种,它主要由悬挂机架、起垅器与开沟器和播种机构等组成(见上图和图1)。该机配有五个鸭嘴型起垅器,作为白菜、萝卜起垅的专用部件。起垅器的犁体呈连续光滑的流线型,工作阻力小;犁翼由前向后呈锥形,对土壤有一定的挤压作用,能使垅壁坚实光滑;犁体截面构成的形状与梯形相似,所以成垅比较规则;又因犁体较长,入土后工作稳定,导向性较好。
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