Research on Receiving Seeds Performance of Belt-Type High-Speed Corn Seed Guiding Device Based on Discrete Element Method

Chengcheng Ma, Shujuan Yi (), Guixiang Tao, Yifei Li, Song Wang, Guangyu Wang and Feng Gao
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Chengcheng Ma: College of Engineering, Heilongjiang Bayi Agricultural University, Daqing 163319, China
Shujuan Yi: College of Engineering, Heilongjiang Bayi Agricultural University, Daqing 163319, China
Guixiang Tao: College of Engineering, Heilongjiang Bayi Agricultural University, Daqing 163319, China
Yifei Li: College of Engineering, Heilongjiang Bayi Agricultural University, Daqing 163319, China
Song Wang: College of Engineering, Heilongjiang Bayi Agricultural University, Daqing 163319, China
Guangyu Wang: College of Engineering, Heilongjiang Bayi Agricultural University, Daqing 163319, China
Feng Gao: College of Engineering, Heilongjiang Bayi Agricultural University, Daqing 163319, China

Agriculture, 2023, vol. 13, issue 5, 1-17

Abstract: Because the initial speed of the seeds leaving the seed disk is too high, they collide and bounce off the inner wall of the seed guide tube, resulting in poor sowing quality when corn is sown at high speeds above 12 km/h. This study clarifies the primary factors affecting the stability of seed receiving and the accuracy of the seed entering the seed cavity, establishes the dynamic model of seed clamping, transportation, and releasing, and investigates the belt-type high-speed corn seed guiding device with the seed receiving system as the research object. It also proposes an improved method of adding herringbone lines on the finger surface to address this issue. Using EDEM software, a virtual experiment of seed-receiving performance was conducted, and the change trend of stress on seeds with and without a herringbone pattern and different wheel center distance as well as the change trend of the speed of seeds with various feeder wheel speeds and finger length, were both examined. The outcomes of the simulation demonstrate that the herringbone-lined feeder wheel could increase the stress on seeds. The average value of the stress on the seeds is the highest at the wheels’ center distance of 37 mm. The stability and speed fluctuation of seeds introduced into the seed cavity were better when the feeder wheel speed was 560 r/min. The speed of fluctuation and stability of the seeds introduced into the seed cavity were better when the finger length was 12 mm. The high-speed camera test on the test bench was used to verify the seed guiding process in accordance with the simulation results, and the outcomes were largely consistent. The study’s findings can serve as a theoretical foundation for a belt-type high-speed corn seed guiding device optimization test.

Keywords: corn; high-speed sowing; seed receiving system; test (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2023
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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