尹大庆,王佳照,周脉乐,杨禹超,王金武.探出取推钵式蔬菜钵苗取苗机构优化设计与试验[J].农业机械学报,2019,50(10):64-71.
YIN Daqing,WANG Jiazhao,ZHOU Maile,YANG Yuchao,WANG Jinwu.Optimal Design and Experiment of Vegetable Potted Seedlings Pick-up Mechanism for Exploring and Picking-Pushing Plugs[J].Transactions of the Chinese Society for Agricultural Machinery,2019,50(10):64-71.
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探出取推钵式蔬菜钵苗取苗机构优化设计与试验   [下载全文]
Optimal Design and Experiment of Vegetable Potted Seedlings Pick-up Mechanism for Exploring and Picking-Pushing Plugs   [Download Pdf][in English]
投稿时间:2019-07-18  
DOI:10.6041/j.issn.1000-1298.2019.10.007
中文关键词:  蔬菜钵苗  取苗机构  探出取推钵式  参数优化  取苗试验
基金项目:国家重点研发计划项目(2017YFD0700800)、东农学者计划青年才俊项目(18QC20)和北方寒地现代农业装备技术重点实验室开放项目(KF18-04)
作者单位
尹大庆 东北农业大学
北方寒地现代农业装备技术重点实验室 
王佳照 东北农业大学 
周脉乐 东北农业大学
北方寒地现代农业装备技术重点实验室 
杨禹超 东北农业大学 
王金武 东北农业大学 
中文摘要:为了提高蔬菜钵苗取苗机械化程度和取苗效率,设计了一种探出取推钵式蔬菜钵苗取苗机构,可实现快速取推钵动作。以大果哈椒钵苗作为取苗对象,分析了取苗机构的工作原理,建立了机构运动学模型,确立其优化目标,运用Visual Basic 6.0开发可视化辅助分析软件,优化得出满足要求的最佳参数,形成相应的理论轨迹。建立三维模型,对模型进行虚拟仿真设计,得出仿真轨迹。采用3D打印技术进行试验样机制造,运用高速摄影技术提取试验样机实际工作轨迹,验证了实际轨迹与理论轨迹、仿真轨迹的一致性。试验测得实际取苗针最大入钵力,运用相似理论原理,推算出试验样机最大入钵力,并得到钵土最佳基质比为0.4,进行试验样机取苗试验,取苗成功率为96.87%,满足蔬菜钵苗取苗要求,验证了机构设计的正确性与可行性。
YIN Daqing  WANG Jiazhao  ZHOU Maile  YANG Yuchao  WANG Jinwu
Northeast Agricultural University;Key Laboratory of Modern Agricultural Equipment and Technology in North Cold Region,Northeast Agricultural University,Northeast Agricultural University;Key Laboratory of Modern Agricultural Equipment and Technology in North Cold Region,Northeast Agricultural University and Northeast Agricultural University
Key Words:vegetable plug seedlings  seedlings pick up mechanism  exploring and picking pushing plugs type  parameter optimization  seedlings pick up test
Abstract:In order to improve the mechanization degree of vegetable plug seedlings pick up, realize the automatic seedlings pick up of vegetable plug seedlings and improve the seedlings pick up efficiency, a kind of pick up mechanism for exploring and picking pushing vegetable plug seedlings was studied and designed, which can realize the action of picking up and pushing plug seedlings quickly. Big fruit chili plug seedlings were taken as the objects of seedling pick up. The working principle of seedlings pick up mechanism was analyzed, the kinematic model of the mechanism was established, its optimization goal was established, and the visual auxiliary analysis software was developed by using Visual Basic 6.0. the optimum parameters to meet the requirements were optimized and the corresponding theoretical trajectory was formed. The three dimensional model was established, the virtual simulation design of the model was carried out, and the simulation trajectory was obtained. 3D printing technology was used to manufacture the test prototype, and the actual trajectory of the test prototype was extracted by using high speed photography technology, and the consistency between the actual trajectory and the theoretical trajectory and the simulation trajectory was verified. In order to make the effect of the test prototype consistent with the actual mechanism, the maximum entry force of the actual seedling needle was measured, and the maximum pedestal soil force of the test prototype was calculated by using the principle of similarity theory, and the optimum matrix ratio of the plug soil was 0.4. The seedling pick up test was completed. The success rate of seedlings pick up was 96.87%, which met the requirements of vegetable plug seedlings pick up and verified the correctness and feasibility of the mechanism design.

Transactions of the Chinese Society for Agriculture Machinery (CSAM), in charged of China Association for Science and Technology (CAST), sponsored by CSAM and Chinese Academy of Agricultural Mechanization Science(CAAMS), started publication in 1957. It is the earliest interdisciplinary journal in Chinese which combines agricultural and engineering. It always closely grasps the development direction of agriculture engineering disciplines and the published papers represent the highest academic level of agriculture engineering in China. Currently, nearly 8,000 papers have been already published. There are around 3,000 papers contributed to the journal each year, but only around 600 of them will be accepted. Transactions of CSAM focuses on a wide range of agricultural machinery, irrigation, electronics, robotics, agro-products engineering, biological energy, agricultural structures and environment and more. Subjects in Transactions of the CSAM have been embodied by many internationally well-known index systems, such as: EI Compendex, CA, CSA, etc.

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