白芹螺旋壅土装置参数设计与优化

doi:10.13733/j.jcam.issn.20955553.2024.12.010

摘要/Abstract

摘要： 针对四垄三行白芹壅土专用机壅土装置土壤分配不均匀的问题，基于离散元理论对四垄三行白芹壅土专用机壅土作业过程进行分析和仿真计算。以螺旋送土装置中螺旋体的转速、螺距以及壅土成形模具入料口角度为试验因素，分析各因素对于土壤分配均匀性的影响效果；设计三因素三水平的组合试验，对建立模型的参数组合进行优化求解，获得土壤均匀分配的最优参数组合：螺旋体转速为180 r/min、螺旋体螺距为200 mm、壅土成形模具入料口角度为63°。将优化后的螺旋送土装置在壅土机上进行田间试验。结果表明，四垄壅土均匀一致、成形符合壅土要求，提高壅土效率，满足四垄三行白芹种植模式的壅土要求。

关键词: 白芹, 螺旋壅土装置, 离散元, 模拟仿真, 最优参数组合

Abstract: In order to solve the problem of uneven soil distribution in the developed ridge-three row parsley machine, the working process of the machine was analyzed and simulated based on the discrete element theory. The influence of each factor on the uniformity of soil distribution was analyzed by taking the rotation speed, pitch of the helicoid in the helical soil feeding device and the angle of the feeding port of the soil forming die as experimental factors. A three-factor and three-level combination experiment was designed, and the parameter combination of the model was optimized and solved, and the optimal parameter combination of soil uniform distribution was obtained as follows: the spiral rotation speed was 180 r/min, the spiral pitch was 200 mm, and the feeding angle of the soil forming mold was 63°. Field experiments were carried out on the optimized screw soil feeding device on an earner. The results showed that the soil in four ridges was uniform and formed in accordance with the requirements of earthen cultivation, which improved the efficiency of earthen cultivation and met the requirements of three rows of parsley planting mode on four ridges.

Key words: white celery, screw congenstion device, discrete elements, simulation, optimal parameter combination

中图分类号:

S224

袁浩, 李政, 付天昊, 赵广财, 易卫明. 白芹螺旋壅土装置参数设计与优化[J]. 中国农机化学报, 2024, 45(12): 60-65.

Yuan Hao, Li Zheng, Fu Tianhao, Zhao Guangcai, Yi Weiming. Parameter design and optimization of white celery screw congestion device[J]. Journal of Chinese Agricultural Mechanization, 2024, 45(12): 60-65.

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