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针对海洋作业环境,设计了四履带对中式张紧器的结构方案,分析了开合机构的运动干涉问题.通过建立开合机构的力学模型,分析了摇臂、开合液压缸、上框架等结构参数的运动关系,演算了摇臂的最大开合力和开合液压缸流量的函数关系.利用ADAMS软件对开合机构进行了动力学仿真,结果表明整个开合过程中上框架的角速度小于0.4rad/s,角加速度小于3rad/s2,上履带总成开合运动平稳.
In view of the marine working environment, the structure scheme of four-track tensioner is designed and the movement interference of the mechanism is analyzed. Through the establishment of mechanical model of the mechanism, the rocker arm, opening and closing hydraulic cylinder, upper frame and so on The relationship between the maximum open-close force of the rocker arm and the opening and closing of the hydraulic cylinder was calculated.The dynamic simulation of the open-close mechanism by using ADAMS software showed that the angular velocity of the upper frame during the entire opening and closing process was less than 0.4 rad / s, angular acceleration is less than 3rad / s2, on the track assembly opening and closing movement smoothly.