Design and Testing of Miniaturized Electrically Driven Plug Seedling Transplanter

Meng Chen, Yang Xu, Changjie Han (), Desheng Li, Binning Yang, Shilong Qiu, Yan Luo, Hanping Mao and Xu Ma
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Meng Chen: College of Mechanical and Electrical Engineering, Xinjiang Agricultural University, Urumqi 830052, China
Yang Xu: College of Mechanical and Electrical Engineering, Xinjiang Agricultural University, Urumqi 830052, China
Changjie Han: College of Mechanical and Electrical Engineering, Xinjiang Agricultural University, Urumqi 830052, China
Desheng Li: College of Mechanical and Electrical Engineering, Xinjiang Agricultural University, Urumqi 830052, China
Binning Yang: College of Mechanical and Electrical Engineering, Xinjiang Agricultural University, Urumqi 830052, China
Shilong Qiu: College of Mechanical and Electrical Engineering, Xinjiang Agricultural University, Urumqi 830052, China
Yan Luo: College of Mechanical and Electrical Engineering, Xinjiang Agricultural University, Urumqi 830052, China
Hanping Mao: College of Mechanical and Electrical Engineering, Xinjiang Agricultural University, Urumqi 830052, China
Xu Ma: College of Mechanical and Electrical Engineering, Xinjiang Agricultural University, Urumqi 830052, China

Agriculture, 2025, vol. 15, issue 15, 1-23

Abstract: To address the issues of bulky structure and complex transmission systems in current transplanters, a compact, electric-driven automatic transplanter was designed. Using pepper plug seedlings as the test subject, this study investigated plug tray dimensions and planting patterns. According to the design requirement that the width of the single-row transplanter must be less than 62.5 cm, a three-dimensional transplanter model was constructed. The transplanter comprises a coaxially installed dual-layer seedling conveying device and a sector-expanding automatic seedling picking and depositing device. The structural dimensions, drive configurations, and driving forces of the transplanter were also determined. Finally, the circuit and pneumatic system were designed, and the transplanter was assembled. Both bench and field tests were conducted to select the optimal working parameters. The test results demonstrated that the seedling picking and depositing mechanism met the required operational efficiency. In static seedling picking and depositing tests, at three transplanting speeds of 120 plants/min, 160 plants/min, and 200 plants/min, the success rates of seedling picking and depositing were 100%, 100%, and 97.5%, respectively. In the field test, at three transplanting speeds of 80 plants/min, 100 plants/min, and 120 plants/min, the transplanting success rates were 94.17%, 90.83%, and 88.33%, respectively. These results illustrate that the compact, electric-driven seedling conveying and picking and depositing devices meet the operational demands of automatic transplanting, providing a reference for the miniaturization and electrification of transplanters.

Keywords: agricultural machinery; transplanter; seedling conveying mechanism; seedling picking and depositing mechanism (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: 2025
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