Ship channel grille

The utility model discloses a ship channel grille which comprises a grille cover, the grille cover is hinged to a deck, a through hole is formed in the deck, the grille cover covers the through hole, two fixing blocks are fixed to the top face of the deck, and two fixing plates are symmetrically and fixedly installed on one side of the grille cover. The ship channel grille comprises a fixing block, a fixing plate is arranged on the top face of the fixing block, a fixing groove matched with the fixing plate is formed in the center of one side of the top face of the fixing block, a sliding groove is formed in one side of the fixing block, the sliding groove communicates with the fixing groove, and a baffle capable of axially moving is arranged in the sliding groove. According to the grille cover fixing device, the grille cover can be fastened and fixed and can be opened conveniently, so that the grille cover cannot jump up and down due to vibration when a ship sails, the grille cover and a deck are prevented fr