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Design and Test of a Bionic Auxiliary Soil-Crushing Device for Strip-Tillage Machines

Author

Listed:
  • Kui Zhang

    (College of Engineering, Northeast Agricultural University, Harbin 150030, China
    These authors contributed equally to this work.)

  • Yong-Ying Zhang

    (College of Engineering, Northeast Agricultural University, Harbin 150030, China
    These authors contributed equally to this work.)

  • Xinliang Zhao

    (College of Engineering, Northeast Agricultural University, Harbin 150030, China)

  • Yun Zhao

    (College of Engineering, Northeast Agricultural University, Harbin 150030, China)

  • Xin Feng

    (College of Engineering, Northeast Agricultural University, Harbin 150030, China)

  • Qi Wang

    (College of Engineering, Northeast Agricultural University, Harbin 150030, China)

  • Jinwu Wang

    (College of Engineering, Northeast Agricultural University, Harbin 150030, China)

Abstract

Suitable strip-tillage effectively enhances crop productivity and soil quality in Northeast China, yet conventional strip-tillage machines suffer from inadequate soil fragmentation. To address this issue, this study developed a bionic auxiliary soil-crushing device for the equipment. Specifically, we conducted a theoretical analysis of the soil-crushing blade to identify the key structural parameters affecting operational performance, along with their optimal value ranges. The blade tooth structure was designed following the claw-toe contour of the Oriental mole cricket ( Gryllotalpa orientalis ) for enhanced efficiency. A two-factor (working width and working depth), three-level central composite design (CCD) experiment was carried out using EDEM 2021 discrete element simulation software, taking the soil fragmentation rate and operational resistance as response variables. The results suggested that optimal performance was achieved at a working width of 40.66 mm and a working depth of 50 mm. Field experiments demonstrate that the soil fragmentation rate increased as the operational speed rose. The addition of the auxiliary device contributed to a soil fragmentation rate of 94.54%, bringing about an 11.54% improvement compared to the non-equipped machine. This outcome also validated the accuracy of the simulation experiments. This research provides technical and equipment support for the further development of conservation tillage practices.

Suggested Citation

  • Kui Zhang & Yong-Ying Zhang & Xinliang Zhao & Yun Zhao & Xin Feng & Qi Wang & Jinwu Wang, 2025. "Design and Test of a Bionic Auxiliary Soil-Crushing Device for Strip-Tillage Machines," Agriculture, MDPI, vol. 15(9), pages 1-18, April.
    • Handle: RePEc:gam:jagris:v:15:y:2025:i:9:p:944-:d:1643584
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    References listed on IDEAS

    as
    1. Awei Zhu & Chengtao Xu & Yanfen Liu & Jiasheng Wang & Xiaodong Tan, 2024. "Design and Experiment of Oblique Stubble-Cutting Side-Throwing Anti-Blocking Device for No-Tillage Seeder," Agriculture, MDPI, vol. 14(12), pages 1-19, December.
    2. Jinwu Wang & Nuan Wen & Ziming Liu & Wenqi Zhou & Han Tang & Qi Wang & Jinfeng Wang, 2022. "Coupled Bionic Design of Liquid Fertilizer Deep Application Type Opener Based on Sturgeon Streamline to Enhance Opening Performance in Cold Soils of Northeast China," Agriculture, MDPI, vol. 12(5), pages 1-18, April.
    3. Mustafa Ucgul, 2023. "Simulating Soil–Disc Plough Interaction Using Discrete Element Method–Multi-Body Dynamic Coupling," Agriculture, MDPI, vol. 13(2), pages 1-14, January.
    4. Qi Wang & Ziming Wang & Zhanhe Zhang & Kui Zhang & Shuo Yao & Wenqi Zhou & Xiaobo Sun & Jinwu Wang, 2024. "Design and Test of Bionic Elastic Row Cleaner with Improved Straw Cleaning Performance," Agriculture, MDPI, vol. 14(2), pages 1-15, January.
    Full references (including those not matched with items on IDEAS)

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