JP2006054994A5 - - Google Patents

Claims (8)

In a submarine tubular body laying system in which a flexible tubular body mounted in a wound state on a trolley towed at sea is submerged in the sea and laid on the sea floor, the hull position is stabilized at an appropriate location of the above trolley. A thrust generating means for generating a thrust for generating a ship is assumed, and a barge towing line corresponding to the target tubular body laying line on the sea floor is assumed on the sea, and the barge is placed on the assumed barge towing line. An undersea tubular body laying system comprising output control means for controlling the output of the thrust generating means so as to be positioned. 2. The thrust generating means according to claim 1, wherein the thrust generating means is composed of a plurality of thrusters that are arranged at predetermined intervals in the front-rear direction on the side in the width direction of the bottom of the bottom ship and are rotationally driven by a drive unit. A submarine tubular body laying system. In Claim 1, the said thrust generation means is arrange | positioned in the accommodating part formed in the suitable location of the ship bottom of the said base boat so that an upper stage may be made, and is comprised by the several thruster rotationally driven by the drive part. And the bottom end of the thruster is located higher than the bottom of the ship. 4. The output control means according to claim 2, wherein the output control means controls the output of each thruster so that the barge is located on a barge towing line based on positioning information by GPS (satellite navigation device). A submarine tubular body laying system characterized by the above. 5. The submarine tubular body laying structure according to claim 4, wherein the output control means is configured to hold the fixed ship on a barge towing line by controlling the output of each thruster. system. In Claim 3, The said accommodating part is formed in each corner part of the said ship bottom, The inclination part extended diagonally upward toward the bow and stern from this ship bottom, and the horizontal part extended horizontally following this inclination part A submarine tubular body laying system, wherein the thruster is attached to the horizontal portion. 7. The submarine tubular body laying system according to claim 3, wherein a maintenance opening that is opened and closed by a hatch is formed in a portion facing each thruster of the deck of the carriage. 2. The thrust generation means according to claim 1, wherein the thrust generation means is composed of a plurality of thrusters that are disposed on the bottom of the trolley and are rotationally driven by a drive unit, and each thruster penetrates the bottom of the ship downward. A submarine tubular body laying system.