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油菜播種機槽孔輪式精量排種器設計與試驗
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國家自然科學基金資助項目(50875104)、“十一五”國家科技支撐計劃資助項目(2006BA021B03),、教育部新世紀優(yōu)秀人才支持計劃資助項目(NCET-07-0344)和國家油菜產(chǎn)業(yè)技術體系專項資助項目(nycytx-00520 )


Design and Experiment of Precision Metering Device for Slot Wheeled Seeder
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    摘要:

    設計了一種適用于油菜精量排種的槽孔輪式排種器,,分析了該排種器的結構特征及其工作原理,,提出了清種輪軸實現(xiàn)清種,、護種帶護種和鋼絲推種的排種機構,,確定了該排種器的主要結構和性能參數(shù),。試驗表明,,在清種輪軸轉速為104r/min、型孔直徑2.8mm,、推種鋼絲傾角33°時,,破碎率最低為0.73%,。

    Abstract:

    A slot wheeled precision metering device for rapeseeds was designed. The structure and working principle were studied. The metering mechanism mainly consisted of a seed-cleaning wheel axle, a seed-retaining belt and a weed pushing ringed wire-steel. By experiments, the key structure and performance parameters were analyzed and determined, the lowest seed damage index was obtained when the speed of seedcleaning wheel axle was 104r/min, the diameter of shaped hole was 2.8mm and the inclined angle of wire steel was 33°

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廖慶喜,黃吉星,劉 光,林來福.油菜播種機槽孔輪式精量排種器設計與試驗[J].農業(yè)機械學報,2011,42(2):63-66. Liao Qingxi, Huang Jixing, Liu Guang, Lin Laifu. Design and Experiment of Precision Metering Device for Slot Wheeled Seeder[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(2):63-66.

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