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Optimization of and Experiment on Simulation Parameters for Rotary Hole Filling Corn Precision Metering Device

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  • Wuxiong Weng

    (College of Mechanical Electronic Engineering, Fujian Agriculture and Forestry University, Fuzhou 350002, China
    College of Engineering, Northeast Agricultural University, Harbin 150030, China)

  • Changyu Wang

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

  • Guixuan Zhu

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

  • Zejun Gu

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

  • Han Tang

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

  • Jinfeng Wang

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

  • Jinwu Wang

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

Abstract

This study is aimed at the special working conditions of seeding on sloping land, combining advanced precision seeding technology and the structure of rotary hole filling corn precision metering device seed rowers at home and abroad, and studying soil entry characteristics, the characteristics of soil particles and the seed transport pattern in the puncture process, in order to improve the seed dispersal qualified index and reduce the coefficient of variation in the process of seeding. The simulation test of the cavity-tying device was carried out using the MBD–DEM coupling method, and it can be seen that the rocker bending angle is 120° when the force is the largest; at this time the rocker and the soil force is the largest, indicating the best effect on soil particle separation and the fastest movement speed. The single-factor test determined that the operating speed of the seed rower ranged from 0.8 to 1.2 m/s, the spring preload force of the seed rower ranged from 5.5 to 25 N, and the operating slope angle of the seed rower ranged from 8° to 16°. The optimal structure and parameter characteristics of the rotary hole filling corn precision metering device were determined with a multi-factor test, and it was proven that the rotary hole filling corn precision metering device has better performance and a higher seed rowing quality, with the qualified index reaching 96.2%. This study can provide a reference for the research of corn precision seeders, enrich the form of corn precision seeders, and effectively improve the level of corn mechanized seeding.

Suggested Citation

  • Wuxiong Weng & Changyu Wang & Guixuan Zhu & Zejun Gu & Han Tang & Jinfeng Wang & Jinwu Wang, 2023. "Optimization of and Experiment on Simulation Parameters for Rotary Hole Filling Corn Precision Metering Device," Agriculture, MDPI, vol. 13(5), pages 1-18, May.
  • Handle: RePEc:gam:jagris:v:13:y:2023:i:5:p:1093-:d:1151301
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    References listed on IDEAS

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    1. Masoume Amirkhani & Hilary S. Mayton & Anil N. Netravali & Alan G. Taylor, 2019. "A Seed Coating Delivery System for Bio-Based Biostimulants to Enhance Plant Growth," Sustainability, MDPI, vol. 11(19), pages 1-16, September.
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