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Design and experimental study of corn comb-brush-plate ear-picking test bench

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  2018 ASABE Annual International Meeting  1800793.(doi:10.13031/aim.201800793)
Authors:   Huijuan Bai, Shuai Li, Decheng Wang, Xianfa Fang, Yalei Wu, Yan Li
Keywords:   Corn, Picking ears, Comb-brush type, Test bench, Chain transmission speed

Abstract. Corn is one of the main food crops in the world, which is widely planted in different regions. However, there is a grain loss for the picking-roller type that is widely applied in the present corn harvester. In order to explore new way to solve the problem, this paper designed the comb-brush-plate ear-picking test bench. And carried out single factor experiment about influence of chain transmission speed on ear grain loss rate under this ear-picking condition. Experiments showed that when comb-brush plate picks an ear in the straight segment and chain transmission speed is greater than 0.2 m/s, the grain loss rate increased with the increase of chain transmission speed, and ideal chain transmission speed of the test bench is 0.158 m/s-0.316 m/s.

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