Dirt blocking structure in ship repair dock

The utility model discloses a dirt blocking structure in a ship repair dock, which relates to the technical field of ship repair engineering and comprises dirt blocking structures arranged at the front end and the rear end of a floating dock structure, and a closed basin-shaped structure is defined by the dirt blocking structures and the two sides of the floating dock and used for preventing oil dirt from overflowing from a closed area. The water outlet structure is arranged below the dirt blocking structure and used for discharging liquid from the bottom of the closed basin-shaped structure; the door stop structure is located on one side of the dirt blocking structure, and the opening width of the door stop structure is narrowed from top to bottom, namely the bottom width of the opening is gradually increased along the top width. According to the dirt blocking structure in the ship repair dock, the front end and the rear end of the ship lifting deck of the floating dock form a closed basin-shaped structure t