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Optimized design and experiment of the three-arm transplanting mechanism for rice potted seedlings

International Journal of Agricultural and Biological Engineering 2021年第5期14卷 56-62页

作者： Jianjun Yin Zeliang Wang Maile Zhou Luning Wu Yan Zhang School of Agricultural Engineering Jiangsu UniversityZhenjiang 212013JiangsuChina

The transplanting arm of two-arm transplanting mechanism is easy to cause seedlings injury and missing due to its faster speed relative to the *** order to solve the existed problems,a three-arm transplanting mechanism for rice potted seedlings was developed in this *** developed three-arm transplanting mechanism for rice potted seedling can make the transplanting arm realize special trajectory and attitude through the unequal planetary gear *** kinematic model of three-arm transplanting mechanism for rice potted seedling was established,and the optimal design software was *** on the heuristic optimization algorithm named“parameter guide”,a set of satisfied mechanism parameters required by the rice potted seedling transplanting were *** trajectory and attitude of three-arm transplanting mechanism used for the rice potted seedling were ***,the virtual simulation results were basically consistent with the optimization software results,and the correctness of theoretical analysis and virtual simulation were also verified by each *** the developed transplanting mechanism picked up the seedling,the velocity of transplanting arm relative to the seedling was reduced by about 30%.The results showed that the injury rate of rice potted seedling transplanting mechanism was 0.04%,the missing rate of seedling was 1.4%,the integrity rate of seedling pot matrix was 96%,and the success rate of picking seedling was 99.92%.

关键词： agricultural machinery transplanting mechanism rice potted seedling three-arm optimal design

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