Parameter Optimization and Experiment of a Seed Furrow Cleaning Device for No-Till Maize Seeding

Panpan Yuan, Hongwen Li (), Shenghai Huang, Shan Jiang, Jing Xu, Han Lin and Rongrong Li
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Panpan Yuan: College of Engineering, China Agricultural University, Beijing 100083, China
Hongwen Li: College of Engineering, China Agricultural University, Beijing 100083, China
Shenghai Huang: College of Engineering, China Agricultural University, Beijing 100083, China
Shan Jiang: College of Engineering, China Agricultural University, Beijing 100083, China
Jing Xu: College of Engineering, China Agricultural University, Beijing 100083, China
Han Lin: College of Engineering, China Agricultural University, Beijing 100083, China
Rongrong Li: College of Engineering, China Agricultural University, Beijing 100083, China

Agriculture, 2022, vol. 12, issue 11, 1-17

Abstract: To avoid the issues of seeds lying atop straw, where the seeds cannot germinate, during no-till maize seeding, a seed furrow cleaning device is proposed. The device uses rotating spring teeth and a curved sliding shovel to clear the straw from the seed furrow to the outside. The critical components of the side throwing mechanism, rotary disc and spring teeth design are analyzed, and the value range of the installation inclination angle, rotating speed and bending angle of spring teeth are determined. The force on the straw at the moment of starting to touch and throw it is analyzed theoretically in the three installation directions of forward inclination, radial and backward inclination on the rotary disc, and the backward inclination of the spring teeth is determined. A simulation model of the seed furrow cleaning device is established by using the discrete element method simulation software; the forwarding speed, rotating speed, installation inclination angle, and bending angle of spring teeth are used as influencing factors to carry out single-factor experiments. The influence characteristics of different parameters on seed ditch cleaning effect are analyzed from the aspects of straw cleaning quantity and soil disturbance. A field validation experiment is carried out, and the results show that when rotating speed is 180 r/min, installation inclination angle of spring teeth is 40°, and bending angle is 30°, the straw cleaning rate is 82.26%. The research could provide references to develop the no-till seeder for maize seeding.

Keywords: no-till seeding; maize straw; seed furrow cleaning; discrete element method (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: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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