数字农科院2.0

DESIGN AND TESTING OF SPIRAL CUTTER TOOTH TYPE FARMLAND STONE PICKER

文献类型： 外文期刊

作者： Zhang, Jia;Qu, Heng;Xiao, Ping;Ma, Shaoteng;Zhao, Weisong

作者机构：

关键词： agricultural stone picker;spiral cutter drum;EDEM;soil trench test

期刊名称： INMATEH-AGRICULTURAL ENGINEERING

ISSN： 2068-4215

年卷期： 2025 年 75 卷 1 期

页码：

收录情况： EI（2025版） ; ; ESCI（2025版）

摘要： This study aimed to solve the inefficiency and high-energy-consumption problems of current agricultural stone pickers. It introduced a novel spiral cutter tooth design. Dynamic and kinematic analyses determined the key components' parameters and performance-influencing factors. With EDEM software, discrete element simulations using a three-factor, five-level quadratic regression orthogonal design were carried out. Stone picking efficiency and power consumption were the evaluation metrics. Regression analysis and significance tests clarified the impact of forward speed, drum speed, and tilt angle. Multi-objective optimization of the regression model found the optimal parameters: 0.18 m/s forward speed, 260 rpm drum speed, and 30 degrees tilt angle. Field tests with this setup achieved a 93.71% stone-picking rate and 4.63 kW stable power, validating the design's effectiveness. These results offer a theoretical basis and reference for stone picker design and optimization.

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