正多杆变隙式油葵脱粒装置设计与试验
S226.1; 目前已有的油葵脱粒装置无法适用不同条件下的油葵脱粒需求,该文针对油葵在脱粒过程中油葵脱净率较低、籽粒破损率较高等问题,设计了一种基于多杆机构的变隙式油葵脱粒装置.重点介绍了变隙式油葵脱粒装置的结构及工作原理,并对变隙式凹板筛结构的间隙调节机构与角度调节机构进行运动学分析、通过运动轨迹分析和求解,确定了变隙式凹板筛可变间隙为20~60 mm.试制了变隙式油葵脱粒装置试验台,以滚筒转速、脱粒间隙、喂入量作为试验因素,以脱净率、破损率为指标开展正交试验,确定较优作业参数组合.试验结果表明:在脱粒过程中,影响油葵脱净率和籽粒破损率的因素主次顺序为脱粒间隙、滚筒转速、喂入量,较优作业参数...
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| Published in | 农业工程学报 Vol. 36; no. 4; pp. 26 - 33 |
|---|---|
| Main Authors | , , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
新疆农业工程装备创新设计实验室重点实验室,乌鲁木齐 830052%新疆农业大学机电工程学院,乌鲁木齐,830052
15.02.2020
新疆农业大学机电工程学院,乌鲁木齐 830052 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1002-6819 |
| DOI | 10.11975/j.issn.1002-6819.2020.04.004 |
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| Abstract | S226.1; 目前已有的油葵脱粒装置无法适用不同条件下的油葵脱粒需求,该文针对油葵在脱粒过程中油葵脱净率较低、籽粒破损率较高等问题,设计了一种基于多杆机构的变隙式油葵脱粒装置.重点介绍了变隙式油葵脱粒装置的结构及工作原理,并对变隙式凹板筛结构的间隙调节机构与角度调节机构进行运动学分析、通过运动轨迹分析和求解,确定了变隙式凹板筛可变间隙为20~60 mm.试制了变隙式油葵脱粒装置试验台,以滚筒转速、脱粒间隙、喂入量作为试验因素,以脱净率、破损率为指标开展正交试验,确定较优作业参数组合.试验结果表明:在脱粒过程中,影响油葵脱净率和籽粒破损率的因素主次顺序为脱粒间隙、滚筒转速、喂入量,较优作业参数组合为脱粒间隙35 mm、滚筒转速280 r/min、喂入量1.8 kg/s.在较优作业参数组合下进行重复试验验证,结果表明,油葵的平均脱净率为99.01%,籽粒破损率为2.28%,满足油葵脱粒作业需求.该研究的较优作业参数适用于该文试验的物料条件,实际作业中需调整脱粒凹板筛的直径大小,进而改变脱粒间隙等工作参数以适应不同条件下的油葵脱粒需求.研究结果可为后续油葵脱粒装置的设计提供参考. |
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| AbstractList | S226.1; 目前已有的油葵脱粒装置无法适用不同条件下的油葵脱粒需求,该文针对油葵在脱粒过程中油葵脱净率较低、籽粒破损率较高等问题,设计了一种基于多杆机构的变隙式油葵脱粒装置.重点介绍了变隙式油葵脱粒装置的结构及工作原理,并对变隙式凹板筛结构的间隙调节机构与角度调节机构进行运动学分析、通过运动轨迹分析和求解,确定了变隙式凹板筛可变间隙为20~60 mm.试制了变隙式油葵脱粒装置试验台,以滚筒转速、脱粒间隙、喂入量作为试验因素,以脱净率、破损率为指标开展正交试验,确定较优作业参数组合.试验结果表明:在脱粒过程中,影响油葵脱净率和籽粒破损率的因素主次顺序为脱粒间隙、滚筒转速、喂入量,较优作业参数组合为脱粒间隙35 mm、滚筒转速280 r/min、喂入量1.8 kg/s.在较优作业参数组合下进行重复试验验证,结果表明,油葵的平均脱净率为99.01%,籽粒破损率为2.28%,满足油葵脱粒作业需求.该研究的较优作业参数适用于该文试验的物料条件,实际作业中需调整脱粒凹板筛的直径大小,进而改变脱粒间隙等工作参数以适应不同条件下的油葵脱粒需求.研究结果可为后续油葵脱粒装置的设计提供参考. |
| Author | 于蒙杰 张学军 刘宇 马少腾 朱兴亮 袁盼盼 |
| AuthorAffiliation | 新疆农业大学机电工程学院,乌鲁木齐 830052;新疆农业工程装备创新设计实验室重点实验室,乌鲁木齐 830052%新疆农业大学机电工程学院,乌鲁木齐,830052 |
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| Author_FL | Yuan Panpan Liu Yu Ma Shaoteng Zhang Xuejun Yu Mengjie Zhu Xingliang |
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| Keywords | 油葵 脱粒 间隙可调 试验 多杆机构 收获 农业机械 |
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| Title | 正多杆变隙式油葵脱粒装置设计与试验 |
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