Abstract
Abstract According to the planting mode of broccoli and the growth characteristics of broccoli, a kind of high-gap agricultural chassis with structural reliability and strong stability was designed for broccoli picking. Firstly, the dynamics and kinematics of the chassis were analyzed, and then we analyzed the stability and completed the finite element analysis of the key components. Finally, the simulation and field test were carried out. Thus, the main performance parameters of the chassis are determined. The overall power, driving power consumption, maximum endurance time, maximum driving distance, maximum power storage, and maximum battery power were 5.959kw, 1.84kw, 3h, 21km, 5.63kwh, and 6.552kw respectively. The results of the slope climbing and ridge driving test were better than those of the simulation test. The actual slope climbing effect of the chassis accords with the calculation of theoretical value, and it can climb the soil slope of 25°. These findings proved the stability of the high-gap agricultural chassis in the field and indicated that the chassis can be applied to small fields in hilly and mountainous regions.
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