Suction port pipeline structure crossing ship sections

The utility model relates to the technical field of ship construction pipeline installation, and discloses a suction port pipeline structure crossing ship sections, which comprises a box body, a fixing plate fixedly inserted in the middle of the interior of the box body, a first partition plate fixedly connected to the top of the fixing plate, a pipeline welding area arranged between the first partition plate and the box body, and a second partition plate fixedly connected to the bottom of the fixing plate. A suction port adjusting area is arranged between the second partition plate and the box body, a third partition plate is arranged at the bottom of the suction port adjusting area and is semi-closed, a structure polishing and coating area is arranged between the third partition plate and the box body, a cabin penetrating piece is inserted into the inner wall of the pipeline welding area and connected with an L-shaped bent pipe through spot welding, and the bottom of the L-shaped bent pipe is connected with