三绳机械减摇装置的设计与研究

鉴于船舶海上作业时起重机吊重的摇摆问题,设计了一种三绳机械减摇装置,其原理是利用三根外设的减摇索在吊钩处形成稳定的力三角形,并有效的限制吊重的摆幅,进而抑制吊重的摇摆。利用牛顿-欧拉方法建立了吊重系统的动力学模型,在Matlab/Simulink中进行数字建模仿真分析,对不同横摇角度下该装置的减摇情况效果详细的分析,结果表明添加减摇装置后,吊重的面内角可减小86%左右。搭建试验平台进行试验验证,在与仿真条件相同的情况下,吊重的面内角可减小87%左右,面外角可减小95%左右,表明该装置具有明显的减摇效果。

Design and study of triple-tagline mechanical anti-swing device

To solve the swing of the payload when the ship-mounted crane working at sea, a kind of three ropes mechanical anti-swing device was designed, which can form a stable force triangle at the hook, and it can reduce the length of the lifting rope and the swing of payload. The dynamic equations of the payload were established by Newton-Euler method, and the dynamic model was carried out in Matlab/Simulink Simulink environment. The swing of the payload under different rolling angles was analyzed in a comparative manner. The results showed that the in-plane angle reduced about 86%. Experiment was carried out through the test platform, the in-plane angle reduced about 87% and out -plane angle reduced about 95% of the payload in the case of the anti-swing device. The experimental results verified the effectiveness of the three ropes mechanical anti-swing device.