Bop pipe connection system

Abstract

A BOP pipe connection system includes: a shaft formed in a circular trajectory in a plurality and rotated by an external force, and having a shaft screw thread formed on an outer circumferential surface; roller screws provided in a plurality on the outer circumferential surface of the shaft, and having roller screw threads formed on each outer circumferential surface so as to be gear-engaged with the shaft screw thread; a nut provided in contact with different roller screws, having nut screw threads along an inner surface so as to be gear-engaged with the roller screw threads, and moving up and down as the shaft rotates; and a moving part having a hollow cylindrical shape, connected to the nut, and moving up and down while pressing and fixing an outer circumferential surface of a pipe.

Dependencies are inferred from the claim text.