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当前位置: 首页 > 文章 > 基于ANSYS的播种机牵引梁模态分析 农机化研究 2010,32 (6) 86-88+92
Position: Home > Articles > Modal Analysis of Drag-bar of Planter Based on ANSYS Journal of Agricultural Mechanization Research 2010,32 (6) 86-88+92

基于ANSYS的播种机牵引梁模态分析

作  者：
马颖;李成华;张国梁;杨宇;张晓冬
单  位：
河北农业大学;沈阳理工大学;沈阳农业大学
关键词：
播种机;牵引梁;ANSYS;模态分析
摘  要：
运用Pro/E对2BQ-2型精密播种机牵引梁进行三维建模,并利用ANSYS Workbench软件对播种机牵引梁结构进行模态分析,求解出牵引梁结构的模态参数,确定了牵引梁的固有频率和振型特征。在0～1Hz内,牵引梁的模态频率较密集,是影响牵引梁振动的主要区域,当外加激励频率与牵引梁固有频率相同时发生共振,引起播种质量下降;当牵引梁以0.237Hz的频率振动时,牵引梁将进行摆振,研究结果为牵引梁的优化设计提供了参考依据。
译  名：
Modal Analysis of Drag-bar of Planter Based on ANSYS
作  者：
Ma Ying1,Li Chenghua2,Zhang Guoliang3,Yang Yu1,Zhang Xiaodong1 (1. College of Engineering,Shenyang Agricultural University,Shenyang 110161,China; 2. Mechanical Engineering Department,Shenyang Ligong University,Shenyang 110168,China; 3. College of Forestry,Agricultural University of Hebei,Baoding 071000,China)
关键词：
planter; drag-bar;ANSYS; modal analysis
摘  要：
Three-dimensional model of drag-bar for 2BQ-2 planter was developed through Pro/E,the model was then transferred into ANSYS for analysis,and modal parameters of the drag-bar were calculated,natural frequency and vibration features of the drag-bar were determined. Modal frequency was concertrated in 0-1Hz which was main vibration band,and planting quality would be negatively affected when sympathetic vibration occurred as outside inspire frequency in accordance with natural vibration frequence of the drag-bar. The drag-bar would be in pendulum vibration when vibration frequency was at 0. 23Hz. The results of the study provided reference for optimization design of the dragbar of the planter.

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