夹持式棉花精密穴播轮改进设计与试验

来源 :农业机械学报 | 被引量 : 0次 | 上传用户：huangyulin2007

【摘要】

：

针对夹持式棉花精密穴播轮作业引起的振动脱种问题,改进了取种器的结构,增设了护种装置.应用二次回归通用旋转组合试验方法,建立了穴播轮排种性能指标与取种器夹种口主要尺寸

【作者】

：

王吉奎郭康权吕新民付威

【机构】

：

西北农林科技大学机械与电子工程学院,石河子大学机械电气工程学院

【出处】

：

农业机械学报

【发表日期】

：

2004年期

【关键词】

：

棉花穴播轮夹持改进设计试验

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针对夹持式棉花精密穴播轮作业引起的振动脱种问题,改进了取种器的结构,增设了护种装置.应用二次回归通用旋转组合试验方法,建立了穴播轮排种性能指标与取种器夹种口主要尺寸间的回归方程.分析了试验因素对穴播轮排种性能指标的影响规律,对于新陆早-26号棉种在单粒率最大、重播率和空穴率在一定范围内的条件下,优化得出夹种板长度为4.50 mm、夹种口宽度为5.70 mm、夹种口开度为7.50 mm.试验表明,改进后的穴播轮减小了振动对精密取种的影响.

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夹持式棉花精密穴播轮改进设计与试验

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