Design and Experimental Investigation of a Transplanting Mechanism for Super Rice Pot Seedlings

Maile Zhou (), Zhaoxiang Wei, Zeliang Wang, Hao Sun, Guibin Wang and Jianjun Yin
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Maile Zhou: School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China
Zhaoxiang Wei: School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China
Zeliang Wang: School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China
Hao Sun: School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China
Guibin Wang: School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China
Jianjun Yin: School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China

Agriculture, 2023, vol. 13, issue 10, 1-21

Abstract: Super rice contains a variety of advantageous characteristics. However, current rice seedling transplanting machines fail to achieve the necessary trajectory and distance required for super rice mechanized transplanting. To address this issue, this study introduces a differential-speed rotary mechanism for transplanting super rice pot seedlings. The developed mechanism operates using a non-uniform speed differential gear train, which enables the transplanting arm components to mimic the specific trajectory and posture necessary for transplanting super rice pot seedlings. The kinematic model of the differential-speed rotary super rice pot seedling transplanting mechanism (PSTM) was established, and optimization design software was developed. This software facilitated the determination of a set of mechanism parameters optimized for super rice pot seedling transplantation. The results obtained from virtual simulations were found to be in alignment with those from the optimization software, thereby verifying the accuracy of the theoretical analysis and simulation. A testing bench for the rice PSTM was also developed and used for pot seedling pickup experiments. The bench tests demonstrated that the designed super rice PSTM yielded a seedling pickup success rate of 97% and a seedling injury rate of 1.8% when operating at an efficiency of 200 times/min.

Keywords: transplanting mechanism; super rice; pot seedlings; non-circular gear; trajectory and posture (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 (5)

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