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Parameters Optimization and Test of Caterpillar Self-Propelled Tiger Nut Harvester Hoisting Device

Author

Listed:
  • Xun He

    (College of Mechanical and Electrical Engineering, Henan Agricultural University, Zhengzhou 450002, China)

  • Yanliu Lv

    (College of Mechanical and Electrical Engineering, Henan Agricultural University, Zhengzhou 450002, China)

  • Zhe Qu

    (College of Mechanical and Electrical Engineering, Henan Agricultural University, Zhengzhou 450002, China)

  • Wanzhang Wang

    (College of Mechanical and Electrical Engineering, Henan Agricultural University, Zhengzhou 450002, China)

  • Zheng Zhou

    (College of Mechanical and Electrical Engineering, Henan Agricultural University, Zhengzhou 450002, China)

  • Hao He

    (College of Mechanical and Electrical Engineering, Henan Agricultural University, Zhengzhou 450002, China)

Abstract

Aiming at the problem of a poor separation of tiger nut, soil and grass during harvest, a hoisting device consisting of a combined-type hoisting sieve, vibrating wheels and soil roller was designed in combination with the requirements of the planting and harvesting of tiger nut. Through a theoretical analysis of the movement of the mixture of tiger nut, sand and grass in the process of hoisting, the basic law that affects the soil filter rate was determined, and the parameters affecting the soil-sieving rate were determined, and the hoisting angle, linear hoist speed and range of related parameters of vibrating wheels were obtained. Based on the DEM-MBD method, a simulation model of an excavating and hoisting device was built. With the hoisting angle, linear hoist speed, vibrating frequency and vibrating amplitudes of vibrating wheels as test factors, and the soil-sieving rate as test index, an orthogonal rotating-center combination test with four factors and three levels was carried out. The results showed that the influence of various factors on soil-sieving rate was as follows: vibrating frequency of vibrating wheels > linear hoist velocity > vibrating amplitudes of vibrating wheels > hoisting angle. When the vibrating frequency of the vibrating wheels was 9 Hz, the linear hoist speed was 0.66 m/s, vibrating amplitude of vibrating wheels was 25 mm and hoisting angle was 26°; the maximum value of the soil-sieving rate was 42.5%. The optimized parameters were applied to field test for verification, and the soil-sieving rate of the field test was 44.7%, which was better than the simulation test. The research results can provide a theoretical reference for design optimization and simulation analysis of tiger nut harvesters.

Suggested Citation

  • Xun He & Yanliu Lv & Zhe Qu & Wanzhang Wang & Zheng Zhou & Hao He, 2022. "Parameters Optimization and Test of Caterpillar Self-Propelled Tiger Nut Harvester Hoisting Device," Agriculture, MDPI, vol. 12(7), pages 1-18, July.
    • Handle: RePEc:gam:jagris:v:12:y:2022:i:7:p:1060-:d:866901
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    References listed on IDEAS

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    1. Hongbo Zhao & Yuxiang Huang & Zhengdao Liu & Wenzheng Liu & Zhiqi Zheng, 2021. "Applications of Discrete Element Method in the Research of Agricultural Machinery: A Review," Agriculture, MDPI, vol. 11(5), pages 1-26, May.
    2. Shengwei Zhang & Jun Fu & Ruiyu Zhang & Yan Zhang & Hongfang Yuan, 2022. "Experimental Study on the Mechanical Properties of Friction, Collision and Compression of Tiger Nut Tubers," Agriculture, MDPI, vol. 12(1), pages 1-18, January.
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    Cited by:

    1. Zhe Qu & Minghui Han & Yanliu Lv & Zheng Zhou & Zhijun Lv & Wanzhang Wang & Xun He, 2023. "Design and Test of a Crawler-Type Tiger-Nut Combine Harvester," Agriculture, MDPI, vol. 13(2), pages 1-20, January.

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