Apparatus for passively preventing marine floating body from twisting during mooring

An apparatus for passively preventing a marine floating body from twisting during mooring by controlling tension of ropes connected to the marine floating body within a predetermined allowable limit, the apparatus comprising:

• a floating main body connected to the ropes, fixed on the sea, and providing a space for marine work;
• winches disposed on the floating main body and retracting or releasing the ropes fixing the floating main body;
• fairleads disposed on portions of the floating main body and guiding the ropes to the winches through themselves;
• and
• braking units disposed on portions of the floating main body at a predetermined distance from the fairleads, with the ropes passing through the fairleads and themselves, and controlling a speed of the ropes that are retracted to the winches at a predetermined speed,
• wherein the braking unit controls a retracting speed of the ropes that are retracted by the winches at a predetermined speed by pressing the ropes with external force.