Pirate-prevention deck

The invention discloses a pirate-prevention deck, and belongs to the technical field of ship accessories. The deck comprises springs, a rubber plate, a sliding plate, a connecting rod, first sliding blocks, first sliding rails, first plates, supporting columns, a second sliding rail, a second sliding block, a second plate, a second air cylinder, a second supporting plate, a second hollowed part, a second pin shaft, a shear fork arm, a first supporting plate, a first pin shaft, a first air cylinder, a supporting frame, a first hollowed part, a lower bin and a controller. The lower bin is mounted below the ship deck, the controller is mounted in the lower cabin, more than one spring is arranged at the bottom inside the lower cabin, and the rubber plate is arranged on the springs; the left side and the right side of the lower cabin are each provided with one first sliding rail, and the first sliding blocks are arranged on the first sliding rails; and the sliding plate is arranged between the two first sliding blocks, two supporting columns are arranged on the sliding plate, the first plates are arranged on the supporting columns, and the first plates are located on the ship deck. The deck has the beneficial effect of achieving the pirate prevention function.