Optimal Design of and Experiment on a Dual-Spiral Ditcher for Orchards

螺旋(铁路) 功率消耗 农业工程 海洋工程 工程类 功率(物理) 机械工程 物理 量子力学
作者
Jianfei Liu,Ping Jiang,Jun Chen,Xiaocong Zhang,Minzi Xu,Defan Huang,Yixin Shi
出处
期刊:Agriculture [Multidisciplinary Digital Publishing Institute]
卷期号:13 (8): 1628-1628 被引量:1
标识
DOI:10.3390/agriculture13081628
摘要

This study aimed to design a counter-rotating dual-axis spiral ditcher to address the problems of the lack of ditching models, low ditching quality, and high power consumption in ditching operations in hilly and mountainous orchards. By establishing a discrete element simulation model of the interaction between the dual-spiral cutter and the soil, we analyzed the effects of different operating parameters on the ditching performance and power consumption to explore the mechanism of the interaction between the soil-engaging components and the soil; meanwhile, according to the simulation data, we took the forward speed, cutter speed, and ditching depth as the experimental influencing factors, and we took the ditching qualification rate and power consumption as the experimental indicators. Then, through a three-factor and three-level orthogonal experimental analysis, we obtained the optimal parameter combination. Based on the optimized simulation results, a prototype ditcher was fabricated, and the results of a soil trough test showed that the ditcher had a stable ditching performance, an average ditching qualification rate of 91.4%, an average soil crushing rate of 72%, and a ditching adjustment structure that could adjust the ditching depth and width within the ranges of 15–25 cm and 10–20 cm, respectively. The optimized ditcher had high efficiency, stability, and energy savings during its operation, and it was able to meet the agronomic requirements for ditching operations. This study provides a design basis and technical support for dual-spiral trial ditching operations.
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