针对弧形自浮式防撞装置导向机构在日常运行过程中易发生塑性变形的问题，建立了基于三维势流理论的弧形自浮升降式防撞装置水动力分析模型，对不同入射角的波浪与水流共同作用条件下装置的运动响应及导向机构的受力特性进行分析，结果表明：水流的持续作用有利于减小防撞装置的运动响应；浮筒下游侧导向机构的刚度较大导致了该部分机构受力过于集中而其他导向机构未受力或者受力较小的现象；波浪入射角对导向机构的受力影响较大，当波浪入射角与水流流向的夹角较小时，波流的叠加效应会增大，造成下游侧导向机构受力陡增。

Aiming at the problem that the guide mechanism of arc-shaped self-floating anti-collision device is prone to plastic deformation during daily operation, the hydrodynamic analysis model of arc-shaped self-floating lifting anti-collision device based on three-dimensional potential flow theory has been established to analyze the motion response and mechanical characteristics under the combination of different incident angle of wave and flow. The results show that the continuous action of water flow is beneficial to reduce the motion response of the anti-collision device. The high stiffness of the guide mechanism on the downstream side leads to a greater force while other guide mechanisms have no force or have little force. The wave incidence angle has great influence on the force of guiding mechanism. When the Angle between the wave incidence angle and the flow direction is small, the superposition effect of the wave current will increase, the guiding mechanism on the downstream side will lead to a steep increase in the axial force.