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Seed-Filling Characteristics of a Centralized Seed-Metering Device for Rapeseed Caused by Vibration

Author

Listed:
  • Wencheng Wu

    (College of Mechanical and Electrical Engineering, Sichuan Agricultural University, Ya’an 625014, China)

  • Cheng Chang

    (College of Mechanical and Electrical Engineering, Sichuan Agricultural University, Ya’an 625014, China)

  • Tao Li

    (College of Mechanical and Electrical Engineering, Sichuan Agricultural University, Ya’an 625014, China)

  • Hongji Hu

    (College of Mechanical and Electrical Engineering, Sichuan Agricultural University, Ya’an 625014, China)

  • Zhonglin Zhou

    (College of Mechanical and Electrical Engineering, Sichuan Agricultural University, Ya’an 625014, China)

  • Wenhao Yang

    (College of Mechanical and Electrical Engineering, Sichuan Agricultural University, Ya’an 625014, China)

  • Jinyue Guo

    (College of Mechanical and Electrical Engineering, Sichuan Agricultural University, Ya’an 625014, China)

  • Peixu Zhu

    (College of Mechanical and Electrical Engineering, Sichuan Agricultural University, Ya’an 625014, China)

  • Ju Li

    (College of Mechanical and Electrical Engineering, Sichuan Agricultural University, Ya’an 625014, China)

  • Jianfeng Hu

    (Crop Ecophysiology and Cultivation Key Laboratory of Sichuan Province, Chengdu 611130, China)

  • Hong Cheng

    (Crop Ecophysiology and Cultivation Key Laboratory of Sichuan Province, Chengdu 611130, China)

  • Youfeng Tao

    (Crop Ecophysiology and Cultivation Key Laboratory of Sichuan Province, Chengdu 611130, China)

  • Wei Zhou

    (Crop Ecophysiology and Cultivation Key Laboratory of Sichuan Province, Chengdu 611130, China)

  • Fei Deng

    (Crop Ecophysiology and Cultivation Key Laboratory of Sichuan Province, Chengdu 611130, China)

  • Yong Chen

    (Crop Ecophysiology and Cultivation Key Laboratory of Sichuan Province, Chengdu 611130, China)

  • Wanjun Ren

    (Crop Ecophysiology and Cultivation Key Laboratory of Sichuan Province, Chengdu 611130, China)

  • Xiaolong Lei

    (College of Mechanical and Electrical Engineering, Sichuan Agricultural University, Ya’an 625014, China
    Crop Ecophysiology and Cultivation Key Laboratory of Sichuan Province, Chengdu 611130, China)

Abstract

Sowing quality is directly influenced by the seed-filling characteristics of a centralized seed-metering device, and vigorous seed-motion status deteriorates seeding performance resulting from field surface roughness, seeder vibration, etc. However, the relationship between vibration and seed-filling properties remains unclear. This study measured the vibration characteristics of a seed-metering device, examined unmeasurable seed-motion characteristics based on DEM simulation, and used bench tests to determine the seed-filling characteristics under vibration conditions. The frequency distribution of the rapeseed seeder was 0–180 Hz. The simulation results revealed that the vibration mainly changed the level of seed in the seed-filling area; moreover, it significantly increased the seed-filling angle, ranging from 56.00°–59.00° to 69.78°–91.40°, which affected the seed-filling performance. A vibration frequency of 10–40 Hz resulted in a target seed rate within 88.67–99.44%, but when there is no vibration, the target seed rate reached 100%. The bench test results demonstrated that the seed-filling angle under vibration will increase with an increase in longitudinal distance, and will change between 15.49°–102°. The seed-filling performance affected by longitudinal distance was larger than that affected by lateral distance. By adjusting the longitudinal distance to range from 0–20 mm, the target seed rate could be maintained above 91%. The findings help to improve our knowledge of seed-filling characteristics under vibration conditions, and should be conducive to improving seeding performance by adjusting the seed layer height to reduce the impact of vibration on field operations.

Suggested Citation

  • Wencheng Wu & Cheng Chang & Tao Li & Hongji Hu & Zhonglin Zhou & Wenhao Yang & Jinyue Guo & Peixu Zhu & Ju Li & Jianfeng Hu & Hong Cheng & Youfeng Tao & Wei Zhou & Fei Deng & Yong Chen & Wanjun Ren & , 2022. "Seed-Filling Characteristics of a Centralized Seed-Metering Device for Rapeseed Caused by Vibration," Agriculture, MDPI, vol. 12(7), pages 1-19, July.
    • Handle: RePEc:gam:jagris:v:12:y:2022:i:7:p:965-:d:856002
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    References listed on IDEAS

    as
    1. Xiaolong Lei & Wencheng Wu & Cheng Chang & Tao Li & Zhonglin Zhou & Jinyue Guo & Peixu Zhu & Jianfeng Hu & Hong Cheng & Wei Zhou & Fei Deng & Yong Chen & Yongcheng Wu & Wanjun Ren, 2022. "Seeding Performance Caused by Inclination Angle in a Centralized Seed-Metering Device for Rapeseed," Agriculture, MDPI, vol. 12(5), pages 1-17, April.
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    Cited by:

    1. Yecheng Wang & Xueqi Kang & Guoqing Wang & Wenyi Ji, 2023. "Numerical Analysis of Friction-Filling Performance of Friction-Type Vertical Disc Precision Seed-Metering Device Based on EDEM," Agriculture, MDPI, vol. 13(12), pages 1-17, November.

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