Design and experiment of pruning sea buckthorn harvester

doi:10.14088/j.cnki.issn0439-8114.2026.09.026

Abstract

Abstract: In order to solve the problems of low efficiency in manual pruning and lack of a mature harvester, a pruning sea buckthorn（Hippophae rhamnoides L.） harvester was designed. The key components such as the branch wheel, cutting device, conveying device and hydraulic control system were designed and analyzed. With the forward speed, cutter speed and branch wheel speed as the test factors, and the loss rate and breakage rate as the indices, field tests with three factors and three levels were carried out to verify. The results showed that the order of influencing factors on loss rate was cutter speed, branch wheel speed and forward speed, and the order of influencing factors on breakage rate was forward speed, cutter speed and branch wheel speed. The optimal parameter combination was the forward speed of 1.2 m/s, the cutter speed of 3 200 r/min, and the branch wheel speed of 25 r/min. Under this combination, the loss rate of the sea buckthorn harvester was 10.91%, and the stubble breakage rate was 9.24%. The relative errors between the experimental values and the model-predicted values were less than 5%, which achieved the expected effect.

Key words: sea buckthorn（Hippophae rhamnoides L.）, pruning, harvesting, orthogonal test

CLC Number:

S225

WANG Qing-hui, YANG Li-ling, LIU Jia, CUI Kuan-bo, YANG Zhong-qiang, SHEN Xiao-he. Design and experiment of pruning sea buckthorn harvester[J]. HUBEI AGRICULTURAL SCIENCES, 2026, 65(9): 157-163.

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