Rail limiting stopper device for folding hatch cover

The utility model discloses a rail limiting stopper device for a folding hatch cover. The rail limiting stopper device comprises two limiting plates for limiting the position of a roller, and a backboard; the two limiting plates are arranged oppositely; the backboard is fixed on the rear sides of the two limiting blocks; the two limiting blocks and the backboard are fixedly connected to a base plate; two clamping plates for clamping the rail are further fixedly connected to the base plate. The rail limiting stopper device is capable of well solving the problems of the construction department and reducing the use times of a crane; the production speed is increased, the production cost is saved, and the enterprise competitiveness is improved. As a result, the rail limiting stopper device for the folding hatch cover can be widely applied to the working fastening of the hatch cover rollers at the outfields of shipyards.