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Design and Test of an Energy-Saving Bionic-Inspired Rotary Blade: A Study on Power Consumption and Soil Surface Quality

Author

Listed:
  • Yue Qin

    (College of Engineering, Northeast Agricultural University, Harbin 150030, China
    Key Laboratory of High Efficient Seeding and Harvesting Equipment, Ministry of Agriculture and Rural Affairs, Northeast Agriculture University, Harbin 150030, China
    These authors contributed equally to this work.)

  • Yunpeng Gao

    (College of Engineering, Northeast Agricultural University, Harbin 150030, China
    Key Laboratory of High Efficient Seeding and Harvesting Equipment, Ministry of Agriculture and Rural Affairs, Northeast Agriculture University, Harbin 150030, China
    These authors contributed equally to this work.)

  • Chenggong Xie

    (College of Engineering, Northeast Agricultural University, Harbin 150030, China
    Key Laboratory of High Efficient Seeding and Harvesting Equipment, Ministry of Agriculture and Rural Affairs, Northeast Agriculture University, Harbin 150030, China)

  • Jiarui Tong

    (College of Engineering, Northeast Agricultural University, Harbin 150030, China
    Key Laboratory of High Efficient Seeding and Harvesting Equipment, Ministry of Agriculture and Rural Affairs, Northeast Agriculture University, Harbin 150030, China)

  • Qi Wang

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

  • Xin Feng

    (College of Engineering, Northeast Agricultural University, Harbin 150030, China
    Key Laboratory of High Efficient Seeding and Harvesting Equipment, Ministry of Agriculture and Rural Affairs, Northeast Agriculture University, Harbin 150030, China)

Abstract

To reduce the power consumption of rotary tillage and enhance the operational quality of rotary tillage, a rotary blade that imitates the surface of a pufferfish was designed through reverse engineering. The bump structure on the pufferfish surface was employed to decrease the power consumption when the blades till the soil. The performance of the bionic blade was investigated. A single-factor soil bin test was conducted, with the forward speed of the rotary tiller and the rotation speed of the blade shaft serving as the test factors, and the power consumption of the rotary tiller and the ground surface flatness as the evaluation indexes. The test results revealed that the power consumption of the rotary tiller initially decreases, then increases, and finally decreases with the increase in the forward speed of the rotary tiller. It is positively correlated with the rotation speed of the blade shaft. The ground surface flatness is positively correlated with the forward speed of the rotary tiller but negatively correlated with the rotation speed of the blade shaft. Compared with the rotary tiller with standard IT225 blades, the rotary tiller with bionic blades achieves a 9.4% reduction in power consumption and a 6.5% improvement in ground surface flatness. This study has demonstrated that the bump structure of the pufferfish surface can effectively reduce the power consumption of the blades and enhance ground surface quality, thus offering novel insights for the development of energy-saving tillage tools.

Suggested Citation

  • Yue Qin & Yunpeng Gao & Chenggong Xie & Jiarui Tong & Qi Wang & Xin Feng, 2025. "Design and Test of an Energy-Saving Bionic-Inspired Rotary Blade: A Study on Power Consumption and Soil Surface Quality," Agriculture, MDPI, vol. 15(9), pages 1-20, April.
    • Handle: RePEc:gam:jagris:v:15:y:2025:i:9:p:938-:d:1642770
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    References listed on IDEAS

    as
    1. Yiwen Yuan & Jiayi Wang & Xin Zhang & Shuhong Zhao, 2023. "Effect of Rotary Speed on Soil and Straw Throwing Process by Stubble-Crushing Blade for Strip Tillage Using DEM-CFD," Agriculture, MDPI, vol. 13(4), pages 1-20, April.
    2. Zhang, Junjiang & Feng, Ganghui & Yan, Xianghai & He, Yundong & Liu, Mengnan & Xu, Liyou, 2024. "Cooperative control method considering efficiency and tracking performance for unmanned hybrid tractor based on rotary tillage prediction," Energy, Elsevier, vol. 288(C).
    3. Jinpeng Hu & Lizhang Xu & Yang Yu & Jin Lu & Dianlei Han & Xiaoyu Chai & Qinhao Wu & Linjun Zhu, 2023. "Design and Experiment of Bionic Straw-Cutting Blades Based on Locusta Migratoria Manilensis," Agriculture, MDPI, vol. 13(12), pages 1-23, December.
    Full references (including those not matched with items on IDEAS)

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