海工升降系统是海上石油开采平台、自升自航式工程船等大型海工装备的关键模块，是以液压控制系统驱动桩腿、平台运动的综合复杂系统，涉及运动学、多体系统学、液压控制等。为研究升降系统特性，基于某型风电安装船机械结构和运动特性，建立双动环梁液压插销式升降系统模型，并运用Adams软件对升降系统的载荷特性进行动力学仿真分析。仿真结果表明，双动环梁升降装置提升桩腿运动轨迹曲线变化平稳、稳定性相对较好，但是支撑状态下，对桩腿和环梁的载荷分配有较大影响。通过对运动学和动力学研究，可以为平台控制提供理论依据。
Marine lifting system is the key module of large-scale marine equipment such as offshore oil exploitation platform and jack up and self-propelled engineering ship. It is a comprehensive complex system that drives the movement of pile legs and platform with hydraulic control system, involving kinematics, multi-body systematics, hydraulic control and so on. In order to study the characteristics of the lifting system, based on the mechanical structure and motion characteristics of a wind power installation ship, a double acting ring beam hydraulic pin lifting system model is established, and the dynamic simulation analysis of the load characteristics of the lifting system is carried out by using Adams. The simulation results show that the trajectory curve of the pile leg lifted by the double acting ring beam lifting device changes smoothly and has relatively good stability. However, in the supported state, it has a great influence on the load distribution of pile leg and ring beam. The research on kinematics and dynamics can provide a theoretical basis for the research of platform control.
2022,44(24): 39-44 收稿日期：2021-11-16
DOI：10.3404/j.issn.1672-7649.2022.24.009
分类号：U664
基金项目：国家重点研发项目（2019YFB2005304）
作者简介：张磊(1973-),副教授,研究方向为海工装备设计与分析、机电装备开发与测控
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