Ship automatic steering mechanism

The invention belongs to the technical field of ships, and particularly relates to a ship automatic steering mechanism. The ship automatic steering mechanism comprises a hull, a cabin, a plurality of driving motors, a plurality of guide plates and a controller. A rudder room is arranged at one end of the bottom of the hull, the guide plates are arranged in the cabin, and the guide plates are vertically arranged in the cabin through rotating shafts; the guide plates and the rotating shaft are welded together, the driving motors are arranged on the position, located at one end of the cabin, in the hull, and the driving shafts of the driving motors extend into the cabin; and one ends, in the cabin, of the driving shafts and transmission teeth on the rotating shaft conduct transmission through transmission gears, bearing sleeves are arranged on the driving shafts which are located in the cabin, the bearing sleeves are connected with the bottom of the hull, and the driving motors are controlled through the control