旋耕刀排列方式对反转旋耕机作业性能的影响研究
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摘要
以秸秆还田作业为背景,研究反转旋耕机刀辊排列方式对作业性能的影响。为此,设计了4种刀辊排列方式,分别为螺旋排列、人字排列、双人字排列及正人字排列,从旋耕作业主要性能指标及秸秆还田指标去分析。结果表明:①功耗方面刀辊排列方式影响比较明显,在耕深稳定性、碎土率、植被覆盖率方面,刀辊排列方式影响并不明显;②在秸秆分布方面,4种排列方式对于机具作业影响基本相同,都未到达秸秆深埋的效果。
This paper has reserched the effect of the arrangement mode of totary blade to the operation performance of reverse rotary tiller basiced on straw turnover. This paper has designed four kinds of arrangement stye for knife roller,such as spiral,people word,double people word and upright people word and studied on the rotary tillage performance index as well as the straw returned index. The results show that:(1)the influence of the rotary blade arrangement style of machine on the power consumption is obvious,and it is not obvious on depth stability,soil breaking rate and vegetation coverage.(2)in the field of straw distribution,the influence of the four ways of arrangement on operation performance is similarity and have not finished the deep burial work.
This paper has reserched the effect of the arrangement mode of totary blade to the operation performance of reverse rotary tiller basiced on straw turnover. This paper has designed four kinds of arrangement stye for knife roller,such as spiral,people word,double people word and upright people word and studied on the rotary tillage performance index as well as the straw returned index. The results show that:(1)the influence of the rotary blade arrangement style of machine on the power consumption is obvious,and it is not obvious on depth stability,soil breaking rate and vegetation coverage.(2)in the field of straw distribution,the influence of the four ways of arrangement on operation performance is similarity and have not finished the deep burial work.
引文
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[2]庄维林.行间耕整机通用刀辊设计与试验[D].长春:吉林大学,2011.
[3]张引航.微耕机刀辊设计及切土性能研究[D].重庆:西南大学,2017.
[4]郭志军,佟金,任露泉,等.耕作部件-土壤接触问题研究方法分析[J].农业机械学报,2001,32(4):102-104.
[5]乔海龙,刘小京,李伟强,等.秸秆深层覆盖对土壤水盐运移及小麦生长的影响[J].土壤通报,2006,37(5):885-889.
[6]刘春晓.稻麦两熟制秸秆沟埋还田作用特点研究[D].南京:南京农业大学,2010.
[7]李守仁,林金天.驱动型土壤耕作机械的理论与计算[M].北京:机械工业出版社,1997.
[8]丁艳,彭卓敏,夏建林.国内典型秸秆还田技术及机具的比较与分析[J].中国农机化,2010(3):43-46.