Optimal design and experiment of multi-row rolling-style planting-hole punch for rapeseed plant seedlings

Wei Xiang, Mingliang Wu, Jiangnan Lyu, Lan Ma, Jiajie Liu and Wei Zhou

International Journal of Industrial and Systems Engineering, 2021, vol. 38, issue 2, 143-166

Abstract: In order to realise high-efficiency hole-forming and pursue optimal forming hole parameters which satisfied agricultural requirements for awl-shaped punch transplanter, a optimally designed indigenously-developed pure rolling planting hole-forming machine's hole forming mechanism parts is proposed. The CAD software graphing method was used to study the effect of forming planting hole by structural parameters, with the numerical simulation method by MATLAB 7.0 software and CATIA software were used to verify the rationality of the hole-forming key parameters optimisation design. Subsequently, prototype trial-production was carried out, followed by field testing. The results showed that forming planting hole opening lengthwise shrank from originally 88.8 mm to 72.6 mm, lateral width was 41.2 mm, the effective depth reduced from 58.9 mm to 48.5 mm, qualified radio of forming planting hole reached to 95.1%, which 1.93% higher than the original prototype, which was significant for the provision of technical support for the design of new transplanter.

Keywords: rapeseed transplanting; planting hole; key components; hole forming mechanism; parameter optimisation. (search for similar items in EconPapers)
Date: 2021
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