| 谷物联合收割机清选筛筛面气流分布试验及分析 |
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| 引用本文： | 崔俊伟,韩增德,张子瑞,郝付平,甘帮兴,苏天生,乔晓东.谷物联合收割机清选筛筛面气流分布试验及分析[J].农业工程,2015,5(2):1-4. |
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| 作者姓名： | 崔俊伟 韩增德 张子瑞 郝付平 甘帮兴 苏天生 乔晓东 |
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| 作者单位： | 1.中国农业机械化科学研究院，北京100083；现代农装科技股份有限公司，北京100083 |
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| 基金项目： | 国家高技术研究发展计划(863计划)资助项目(项目编号:2012AA10A502) |
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| 摘 要： | 针对轴流式谷物联合收割机脱粒方式的清选装置效率不足的问题，设计了双风机振动筛式清选装置，前风机采用3风道结构。试验时在清选筛筛面上设置若干个测量点，采用风速仪测定各个测量点处的气流速度值，分析筛面气流分布状况。试验结果表明:前风机从3风道吹出的气流大小及分布能满足纵向轴流式脱粒方式对清选装置气流分布的需要；后风机能有效辅助清选筛排出短茎秆，提高清选效果。
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| 关 键 词： | 谷物联合收割机 双风机 风道 清选筛 气流分布 |
Experiments and Analysis about Airflow Distribution over Oscillating Sieve of Grain Combine Harvester |
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| Cui Junwei,Han Zengde,Zhang Zirui,Hao Fuping,Gan Bangxing,Su Tiansheng and Qiao Xiaodong.Experiments and Analysis about Airflow Distribution over Oscillating Sieve of Grain Combine Harvester[J].Agricultural Engineering,2015,5(2):1-4. |
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| Authors: | Cui Junwei Han Zengde Zhang Zirui Hao Fuping Gan Bangxing Su Tiansheng and Qiao Xiaodong |
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| Institution: | Cui Junwei;Han Zengde;Zhang Zirui;Hao Fuping;Gan Bangxing;Su Tiansheng;Qiao Xiaodong;Chinese Academy of Agricultural Mechanization Sciences;Modern Agricultural Equipment Co.,Ltd.; |
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| Abstract: | In view of inadequate efficiency of cleaning device about axial flow type grain combine harvester that using threshing method，double fan oscillating screen type cleaning device was designed.And its front fan had three air ducts.During the experiment，a plurality of measuring points were set in the surface of cleaning sieve，flow velocity value of each measuring point was measured by anemometer.Airflow distribution of sieve surface was analyzed.Experiment results showed that the size and distribution of airflow from three air ducts of front fan could meet the needs about airflow distribution of cleaning device for longitudinal axial flow type threshing method.After fan could effectively assisted cleaning sieve discharge short stem，so as to improve the cleaning effect. |
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