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High-clearance chassis design of Camellia oleifera fruit vibratory harvester

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

Citation:  2021 ASABE Annual International Virtual Meeting  2100403.(doi:10.13031/aim.202100403)
Authors:   Chen Ning, Yin Qian, Zhaojie Zhang, Tengfei Shen, Xiaoqiang Du, Guofeng Zhang, Anguo Hu
Keywords:   High-clearance chassis, Camellia oleifera fruit, vibratory harvester, stress, working condition

Abstract. At present, Camellia oleifera fruit is planted in hilly areas in China. The harvest of Camellia oleifera fruit is mainly manual operation, with high labor intensity. A self-propelled high-clearance vibration harvester for Camellia oleifera was designed to solve the problems of less matching equipment, poor performance, low automation level and low efficiency. Due to the influence of terrain factors, the stability of self-propelled harvester is required to be high. As the key bearing part of the whole vehicle, the stability of the high-clearance chassis itself has a significant impact on the stability of the whole vehicle. In this paper, the stress of the chassis under different full load working conditions was simulated by ANSYS, including full-load bending condition, left front wheel suspension condition, right rear wheel suspension condition and diagonal wheel suspension condition. A three-dimensional model of Camellia oleifera fruit vibratory harvester was established. The static analysis of the chassis was carried out, and the stress distribution and deformation of the chassis were discussed. The simulation results show that, under the four conditions, the chassis stress is within the safety range, and there is much room for topology optimization, which lays the foundation for subsequent optimization.

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