【摘要】 为满足大型船舶设备实船工况的仿真需要,开展大作业空间、高速、重载的超大型6自由度运动平台的研发工作。为解决高速、大作业范围所导致的液压缸缸速过高问题,设计合页比例放大机构。利用浮球自重平衡机构,降低液压缸的驱动力需求,在ADAMS中建立平台虚拟样机模型,验证自重平衡机构的有效性。对3类液压缸驱动特性进行分析,选用单出杆差速缸驱动平台运动。仿真计算结果表明:配备了自重平衡机构及采用差速缸驱动方式后平台液压系统消耗的平均功率得到了显著降低。更多还原

【Abstract】 In order to meet the simulation needs of real ship conditions of large ships, research on large workplace, high-speed,heavy-load6-DOF(six degrees of freedom) huge hydraulic platform is carried out. A hinge scaling mechanism is designed to solve the problem of over speed of the hydraulic cylinder, which is caused by the high-speed and large workplace of the platform. A floating-ball self-weight-balancing mechanism is utilized to reduce the driving force demand of the hydraulic cylinder. A virtual prototype model of the platform is established in ADAMS to verify the effectiveness of the self-weight-balancing mechanism. The driving characteristics of three kinds of hydraulic cylinders are analyzed and the single rod differential cylinder is selected to drive the platform. The simulation result shows that the average power consumption of the hydraulic system of the platform is significantly reduced by configuring a self-weight-balancing mechanism and utilizing the differential cylinder driving mode.更多还原