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当前位置: 首页 > 文章 > 整瓶马铃薯组培苗剪切机构设计与试验 农业机械学报 2015,46 (9) 39-46
Position: Home > Articles > Design and Experiment of Shear Mechanism for Potato Tissue Culture Seedlings in Whole Bottle Transactions of the Chinese Society for Agricultural Machinery 2015,46 (9) 39-46

整瓶马铃薯组培苗剪切机构设计与试验

作  者：
屈哲;来杭生;崔涛;张东兴;杨丽;段运红
单  位：
中国农业大学工学院
关键词：
马铃薯组培苗;快速繁育;剪切机构
摘  要：
针对在马铃薯组培苗繁育过程中存在的人工作业效率低和污染严重等问题,设计了一种基于整瓶移植的马铃薯组培苗剪切机构,用于将取苗机构取出的整瓶马铃薯组培苗聚拢、剪切并导入分散于子培养瓶中,进入下一代快繁培养,实现马铃薯组培苗拢苗、切苗过程的低污染、高效率和高质量的机械化作业。通过分析计算确定了拢苗爪片、切刀和集苗漏斗的关键结构参数。分别以拢苗角速度和切苗角速度为试验因素进行了拢苗效果和切苗效果的单因素试验,确定了最佳的拢苗角速度为3.16 rad/s,切苗角速度为10.26 rad/s。在该工作参数下,对设计的组培苗剪切机构进行了验证试验,试验结果表明:拢苗合格率99.13%、拢苗损伤率0.79%、切苗成功率100%、切苗损失率1.37%、集苗成功率97.53%,完成一瓶马铃薯组培苗剪切所需的时间为48.67s,各项试验指标均达到设计要求。
译  名：
Design and Experiment of Shear Mechanism for Potato Tissue Culture Seedlings in Whole Bottle
作  者：
Qu Zhe;Lai Hangsheng;Cui Tao;Zhang Dongxing;Yang Li;Duan Yunhong;College of Engineering,China Agricultural University;
关键词：
Potato tissue culture seedlings Rapid propagation Shear mechanism
摘  要：
Aiming at the problems of low efficiency of artificial operation and serious pollution during the propagation of potato tissue culture seedlings,a shear mechanism for potato tissue culture seedlings with the whole bottle transplantation was designed. The proposed mechanism can make the potato tissue culture seedlings in whole bottle which were taken from the picking seedling machinery gather,shear and import dispersion in the sub culture bottle,then get into the next generation of rapid propagation culture,and finally realize the mechanized operation of gathering seedlings and cutting seedlings process with low pollution,high efficiency and high quality. The key structural parameters of claws,cutting knife and collecting seedling funnel were determined through analysis and calculation. Taking gathering seedlings speed and cutting seedlings speed as experimental factors,the single factor experiments for analyzing the effects of gathering seedlings and cutting seedlings were carried out. The optimal gathering seedlings speed and cutting seedlings speed were determined as 3. 16 rad / s and 10. 26 rad / s,respectively.A verified test of the designed shear mechanism with the above optimal parameters was conducted. The test results showed that the qualified rate of gathering seedlings was 99. 13%,the damage rate of gathering seedlings was 0. 79%,the success rate of cutting seedlings was 100%,the loss rate of cutting seedlings was 1. 37%,and the success rate of collecting seedlings was 97. 53%. Time for completing the process of potato tissue culture seedlings in whole bottle was only 48. 67 s and all the test indexes met the design requirements. The designed mechanism can provide a reference for the research of potato rapid propagation robot.

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