高丛蓝莓采摘机采摘系统设计与试验
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国家林业局948项目(2011-4-21)、黑龙江省企事业单位委托科技项目(43215005)和东北林业大学中央高校基金项目(DL12AB04)


Picking System Design and Experiment for Highbush Blueberry Picking Machine
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    摘要:

    为提高我国蓝莓果实采摘效率,设计了一种高丛蓝莓采摘机。分析了采摘机设计要求与工作原理,估算了蓝莓树枝采摘频率和采摘惯性力。按照确定的设计要求,采用给定行程速比法设计了铰链四杆机构,运用图解法设计了双摇杆机构,并加工制造了采摘系统。为评价采摘系统果实采摘质量和机采与人采效率比,进行了蓝莓采摘试验。试验结果表明,机器采摘效率为829g/min,是人工采摘效率的12.67倍;采摘果实破损率为8.3%,采净率为96.9%,未成熟果实脱落率为9.7%,该采摘机采摘蓝莓果实的质量和效率较高。

    Abstract:

    In recent years, the nutrition and health values of blueberry are comprehensively accepted by experts and scholars, which make the planting area increase year by year. But it is still in short supply in the international market. Blueberry picking machinery research and technology is mature in aboard, especially in the United States, blueberry picking machine has a big market. In China, the planting technology of blueberry has matured, the cultivation area expands gradually and has begun to be a big amount, but the harvesting technology for blueberry is still manual picking techniques, whose efficiency is low. When the maturity time of blueberry is very short, mechanization picking for blueberry is a potential trend. For the rapid development current situation of China’s blueberry industry in recent years, a highbush blueberry picking machine was researched and developed. The picking machine design requirements and working principle were analyzed, and the picking frequency and inertial force of blueberries branches were estimated. Based on the design requirements of picking machine design, the hinge four rod mechanism was designed by a given travel speedratio approach. And the double rocker mechanism was designed by using graphic method and the picking system of machine was applied. The experiment results show that the machine picking efficiency is 829g/min, which is 12.67 times higher than manual picking efficiency, the fruit damage rate is 8.3%, the picking rate is 96.9%, and the immature fruit abscission rate is 9.7%, which verified the quality and efficiency of the proposed blueberry picking machine.

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耿雷,郭艳玲,王海滨.高丛蓝莓采摘机采摘系统设计与试验[J].农业机械学报,2016,47(3):67-74. Geng Lei, Guo Yanling, Wang Haibin. Picking System Design and Experiment for Highbush Blueberry Picking Machine[J]. Transactions of the Chinese Society for Agricultural Machinery,2016,47(3):67-74.

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  • 收稿日期:2015-11-20
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  • 在线发布日期: 2016-03-10
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