Abstract
Design of clamping-pot-type planetary gear train transplanting mechanism for rice wide–narrow-row planting
Highlights
Wide-narrow-row pot seedling transplanting (WPST) of rice is a combination of transplanting of rice pot seedlings and wide-narrow-row planting, which utilizes the advantages, such as avoiding damage to seedlings, rapid green, adequate ventilation, and disease prevention, and can effectively improve the yield and quality of rice[1,2]
In order to realize the spatial trajectory required for the WPST, the spatial planetary gear train transplanting mechanism (PGTM) configuration shown in Figure 3 is adopted in this study
The clamping-pot-type PGTM for rice WPST designed in this work has a high success rate of picking seedlings and planting uprightness, which can be applied to rice pot seedling transplanters
Summary
Transporting, and pushing seedlings by using a single mechanism. It has a compact structure, continuous and stable work, and low cost and has become an important direction for the research of various transplanting machines[5,6]. Ye et al.[9,10] combined incomplete and non-circular gear mechanisms to obtain the characteristics of a large transmission ratio needed to realize a specific transplanting trajectory shape. They designed a clamping-seedling-type rice pot seedling transplanting mechanism with equal row spacing through the optimization of mechanism parameters. Sun et al.[11] designed a non-conical PGTM by optimizing and adjusting the mechanism parameters and obtained a spatial “8”-shaped transplanting trajectory suitable for WPST. A clamping-pot-type PGTM of rice WPST driven by the combination of planar non-circular and non-conical gears was designed, and the feasibility of the theoretical method was verified through simulation and seedling test
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