谷物联合收割机清选装置研究现状及发展趋势  

Research Status and Development Trend of Cleaning Unit of Cereal Combine Harvesters

作　　者：苏天生[1] 韩增德[1] 崔俊伟[1] 王国新[1] 郝新明[1] 郝付平[1] 韩科立[1] 

机构地区：[1]中国农业机械化科学研究院,北京100083

出　　处：《农机化研究》2016年第2期6-11,共6页Journal of Agricultural Mechanization Research

基　　金：国家高技术研究发展计划(863计划)项目(2012AA10A502)

摘　　要：谷物联合收割机的清选性能是影响整机作业性能的重要因素之一,对清选装置的研究有助于提高清选效率,降低清选损失率和含杂率。为此,通过从清选装置的结构、气流场、脱出物运动状态和清选试验等方面综述国内外谷物联合收割机清选装置的研究现状,提出了谷物联合收割机清选装置的发展趋势。Cleaning performance is one of the most important factors that affect the overall performance in cereal combine harvesters.The study on cleaning technology helps to improve cleaning efficiency and reduce cleaning loss and trash con-tent.To this end,summing up the present research status of cleaning unit of cereal combine harvesters at home and abroad from aspects of the structure of cleaning device, the airflow field, the State motion of threshed materials and physical exercises, and proposing the development trend of cleaning unit of cereal combine harvesters.

关 键 词：谷物联合收割机 清选装置 研究现状 发展趋势 

分 类 号：S225[农业科学—农业机械化工程]