Hoisting Apparatus and drilling marine structure having the same

摘要

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drilling hoisting device and an offshore structure having the same, and more particularly, to a drilling hoisting device for providing a new type of hoisting device for controlling hoisting by a plurality of wires, Structure.The drilling hoisting device of the present invention includes a drilling tower; A hoisting winch provided behind the drilling tower; A top sieve assembly provided on top of the drilling tower; A traveling block connected to a supporting means for supporting the drilling pipe; A hive compensator provided behind the drilling tower for compensating vertical motion of the drilling pipe; And a tension equalizer provided behind the drilling tower for compensating for a change in length between one or more wires repeatedly wound by the hoisting winch, wherein the tower sieve assembly comprises a first front unit, a first front unit, Wherein one end of the wire is fixed to the tension equalizer and the other end is connected to the hive compensator, the first rear unit, the first front unit, the travel unit, the second front unit, and the second rear unit, The ring block, the second front unit, and the second rear unit sequentially through the hoisting winch.;