文献类型：会议论文

英文题名：Design of a Camellia oleifera canopy shaker with elliptical trajectory excitation

作者：Shen, Tengfei[1] Du, Xiaoqiang[1,2] Sun, Zeqiang[1] Ma, Zenghong[1,2] Zhang, Guofeng[1,2] Cao, Yongqing[3] Yao, Xiaohua[3]

第一作者：Shen, Tengfei

通信作者：Du, Xiaoqiang

机构：[1] Faculty of Mechanical Engineering and Automation, Zhejiang Sci-Tech University, Hangzhou, 310018, China; [2] Zhejiang Provincial Key Laboratory of Transplanting Equipment and Technology, Hangzhou, 310018, China; [3] Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou, 311400, China

会议论文集：American Society of Agricultural and Biological Engineers Annual International Meeting, ASABE 2021

会议日期：July 12, 2021 - July 16, 2021

会议地点：Virtual, Online

语种：英文

外文关键词：Cultivation - Forestry - Fruits - Harvesting - Machinery - Petroleum industry - Plants (botany) - Tea

年份：2021

摘要：With the increasing cultivation scale of Camellia oleifera in China, the demand for mechanical harvesting machinery is very urgent. Camellia oleifera fruit harvesting has become a bottleneck hindering the development of tea oil industry. In order to achieve high fruit harvesting percentage and low damage percentage of flower bud, a design scheme for harvesting Camellia oleifera fruit using an elliptical trajectory to excite the tree canopy was proposed. By studying the physical properties of Camellia oleifera, a three-dimensional tree model was constructed in SolidWorks. The three-dimensional model was flexibly processed in ANSYS, and then it was imported into ADAMS to complete the modeling of the flexible tree body. In ADAMS, the response of tree model to different excitation trajectories was compared. The results show that when the excitation frequency is 6 Hz, the maximum acceleration of the tree under the elliptical trajectory excitation is 2989.92 m/s2, and 1439.60 m/s2 under the linear trajectory excitation. The elliptical trajectory excitation is beneficial to improve the harvesting efficiency of Camellia oleifera fruit. Through ADAMS simulation, it is verified that the output end of the connecting rod follows a pseudo-ellipse trajectory. The long diameter of the pseudo-ellipse is 84 mm and the short diameter is 40 mm. A prototype of the canopy shaker was build to verify the feasibility of the elliptical trajectory excitation. ? ASABE 2021. All rights reserved.