气吸式红枣捡拾机设计与试验

Design and Experiment of Air-suction Red Dates Picking Machinery

摘要: 新疆南部地区红枣种植模式以矮化密植为主，红枣收获仍采用人工捡拾，效率较低。基于伯努利原理，设计研制了一种气吸式红枣捡拾机械。以南疆枣园为试验点，对样机的性能和捡拾效率进行了试验。结果表明，吸管口的最佳风速为23 ms；平均捡拾效率182.8 kgh，是人工捡拾的5.2倍。

Abstract: Planting red dates regards the dwarf culture as main planting patterns in south region of Xinjiang.Low efficiency manual picking is still used in the process of harvesting red dates.A air-suction red dates harvesting machinery was designed based on the Bernoulli principle.Functions and picking efficiency of prototype were tested with the jujube orchards in the south region of Xinjiang as the test points.Experimental results showed that the best wind velocity of straw mouth was 23 ms，average picking efficiency was 182.8 kgh，production efficiency with that machinery was 5.2 times than that with manual picking.