| 摘要 |
The present invention relates to a device for elevating a thruster, which can elevate a thruster for propelling an offshore structure such as a ship. According to an embodiment of the present invention, the disclosed device for elevating a thruster comprises: a double-side rack which is placed between a truck whose opening unit is formed in the lower part of an offshore structure and whose internal space is extended upward, and a canister accommodated in the internal space of the truck in order to be elevated and having a propelling unit in the lower part for propelling the offshore structure, which has a longitudinal direction in the elevating direction of the canister, and where gear teeth are formed on both a first plane facing the inner circumferential surface of the trunk and a second plane facing the outer circumferential surface of the canister along the longitudinal direction respectively; a first pinion which is included in the trunk in order to rotate, and elevates the double-sided rack while rotating by being geared to the first plane facing the inner circumferential surface of the trunk of the double-sided rack; and a second pinion which elevates the canister to the double-sided rack while rotating by being geared to the second plane facing the outer circumferential surface of the canister of the double-sided rack. |
