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Self-Excited-Resonance of Soil-Engaging Surface Spectrum: A New Method of Soil Cutting Resistance Reduction

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  • Zhijun Guo

    (College of Vehicle and Traffic Engineering, Henan University of Science and Technology, Luoyang 471003, China
    State Key Laboratory of Intelligent Agricultural Power Equipment, Luoyang 471003, China)

  • Yiqing Qiu

    (College of Vehicle and Traffic Engineering, Henan University of Science and Technology, Luoyang 471003, China
    State Key Laboratory of Intelligent Agricultural Power Equipment, Luoyang 471003, China)

  • Xianghai Yan

    (College of Vehicle and Traffic Engineering, Henan University of Science and Technology, Luoyang 471003, China
    State Key Laboratory of Intelligent Agricultural Power Equipment, Luoyang 471003, China)

  • Jiajia Wang

    (College of Agricultural Engineering, Henan University of Science and Technology, Luoyang 471003, China)

  • Yin Zhang

    (College of Vehicle and Traffic Engineering, Henan University of Science and Technology, Luoyang 471003, China
    State Key Laboratory of Intelligent Agricultural Power Equipment, Luoyang 471003, China)

  • Pangang Zhang

    (College of Vehicle and Traffic Engineering, Henan University of Science and Technology, Luoyang 471003, China
    State Key Laboratory of Intelligent Agricultural Power Equipment, Luoyang 471003, China)

  • Fu Zhang

    (College of Agricultural Engineering, Henan University of Science and Technology, Luoyang 471003, China)

Abstract

In this study we explored the methods and effects of spectral resistance reduction for soil-engaging surface of self-excited resonant bulldozing plates with a plane base on the basis of resonance effects. In the acquisition of the low-order vibration frequency f 0 of the bin soil, centering around frequency point f 0 , eight spatial geometric wave frequency points n i of soil-engaging surfaces and three amplitudes were selected; by superimposing with soil-engaging surfaces of plane-based bulldozing plates, 24 spectral structures of the soil-engaging surface of bulldozing plates and model samples were combinatorically designed. Resistance reduction characteristics of each model sample were tested using an indoor soil bin test. Near the resonance point f 0 , the structures of the self-excited vibrating frequency spectrum of the soil-engaging surface obtain a preferable inhibitory effect on working resistance. At a 4 mm amplitude resonance point, model samples achieved the best resistance reduction effect, with a maximum relative resistance reduction rate of 22.67%, and the soil desorption effect of the relevant model sample was also good. On the other hand, away from the resonance point, whether the frequency increased or decreased, the corresponding working resistance of the model sample surfaces increased relatively. This is in good agreement with the law that the resonance point amplitude of the theoretical resonance curve is higher and the amplitude on both sides is lower. This paper provides a reference for the parameter design and related product development for various forced or self-excited vibration soil cutting tools.

Suggested Citation

  • Zhijun Guo & Yiqing Qiu & Xianghai Yan & Jiajia Wang & Yin Zhang & Pangang Zhang & Fu Zhang, 2023. "Self-Excited-Resonance of Soil-Engaging Surface Spectrum: A New Method of Soil Cutting Resistance Reduction," Agriculture, MDPI, vol. 13(6), pages 1-19, May.
    • Handle: RePEc:gam:jagris:v:13:y:2023:i:6:p:1154-:d:1159510
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    References listed on IDEAS

    as
    1. Yiqing Qiu & Zhijun Guo & Xin Jin & Pangang Zhang & Shengjie Si & Fugui Guo, 2022. "Calibration and Verification Test of Cinnamon Soil Simulation Parameters Based on Discrete Element Method," Agriculture, MDPI, vol. 12(8), pages 1-17, July.
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