OUTER TURRET FOR CYLINDRICAL SHAPE OFFSHORE STRUCTURES

摘要

An outside turret structure of the cylinder marine construction is provided to be workable in steadily from all kinds of the disturbances. An outside turret structure of the cylinder marine construction comprises a plurality of guide groove part(100) which is separately formed on the circumference of the bottom part to the constant interval. The guide groove part comprises a plurality of bearings every the contact surface friction region. A plurality of guide protrusions(120) of which one end is inserted with correspondence in order to have the predetermined sulfur liver distance in the groove part on guide and the other end is formed in order to be connected to the mooring line(30) fixed in seafloor, is included.