Crane compensation mechanism

The invention provides a crane compensation mechanism which comprises a hoisting winch, a follow-up winch and a compensation device, the hoisting winch, the follow-up winch and the compensation device are arranged on a crane jib, the compensation device comprises a compensation oil cylinder and a compensation trolley, a trolley track is arranged in the middle of the jib, and the compensation oil cylinder is arranged at one end of the trolley track. The compensation trolley is arranged on the trolley track and slides in the length direction of the trolley track, and a piston rod of the compensation oil cylinder is connected with the compensation trolley; according to the structure, the follow-up winch and the hoisting winch are arranged, so that shaking between ships can be compensated, and cargoes on the crane are prevented from making contact with the ships and colliding with the ships. 本发明提供一种吊机补偿机构，包括设置在吊机吊臂上的起重绞车、随动绞车和补偿装置，所述补偿装置包括补偿油缸和补偿小车，在吊臂的中部设有小车轨道，在小车轨道的一端设有补偿油缸，所述补偿小车设置在小车轨道上且沿着小车轨道的长度方向滑动设置，补偿油缸的活