自走式木薯茎叶青贮饲料收获机作业性能研究  

Operating Performance of Self-propelled Silage Cassava Stem and Leaf Harvester

作　　者：何冯光 邓干然[1] 崔振德[1] 郑爽[1] 李国杰[1] 李玲[1] 覃双眉[1] HE Fengguang;DENG Ganran;CUI Zhende;ZHENG Shuang;LI Guojie;LI Ling;QIN Shuangmei(Key Laboratory of Tropical Agricultural Machinery,Ministry of Agriculture and Rural Affairs,Tropical Agricultural Machinery Research Institute,Chinese Academy of Tropical Agricultural Sciences,Guangdong Zhanjiang 524091,China)

机构地区：[1]中国热带农业科学院农业机械研究所,农业农村部热带作物农业装备重点实验室,广东湛江524091

出　　处：《中国农业科技导报》2022年第8期109-115,共7页Journal of Agricultural Science and Technology

基　　金：财政部和农业农村部国家木薯产业技术体系项目(CARS-11);国家重点研发计划项目(2020YFD1000600)。

摘　　要：木薯茎叶具有重要的青贮饲料价值,为了解决目前木薯茎叶青贮饲料机械化收获水平低问题,针对4JMG-190型自走式木薯茎叶青贮饲料收获机的田间作业性能进行研究。采用二元二次回归正交旋转组合设计方法,建立了圆盘割刀转速和前进速度与损失率和破头率的回归方程,方差分析结果表明圆盘割刀转速和前进速度对损失率和破头率具有极显著影响,确定了最低损失率参数组合条件为圆盘割刀转速为500 r·min^(-1),前进速度为2.6 km·h^(-1),在此条件下,理论损失率为10.04%,理论破头率为6.19%。通过验证试验对最低损失率参数组合进行检验,结果表明,损失率和破头率实际值与理论值的相对误差都在5%以内,优化结果可靠。该收获机满足木薯茎叶青贮饲料机械化收获作业要求,最低损失率参数组合可为其田间作业参数提供参考。Cassava stem and leaf have important silage value,the field performance of 4JMG-190 self-propelled cassava stem and leaf silage harvester was studied to solve the current low level of mechanized harvesting of cassava stems and leaves silage. Using binary quadratic regression orthogonal rotation combined design test method, the regression equations were established between disc cutter speed and forward speed with loss rate and breakage rate.The anahysis of variance showed that disc cutter speed and forward speed had extremely significant influence on loss rate and breakage rate. The minimum loss rate parameter combination conditions were the disc cutter speed 500r·min^(-1)and the forward speed 2.6 km·h^(-1),under which the theoretical loss rate was 10.04%,and the theoretical breakage rate was 6.19%. The minimum loss rate parameter combination was tested through the verification test,and the results showed that the relative error between the actual and theoretical values of the loss rate and the broken head rate were both within 5%,and the optimization results were reliable. The harvester could meet the requirements of mechanized harvesting of cassava stem and leaf silage,and the combination of the lowest loss rate parameters provided references for its field operation parameters.

关 键 词：饲料 木薯 茎叶 青贮 收获机 

分 类 号：S225.8[农业科学—农业机械化工程]