Open wagon side door locking device and open wagon side door

The utility model relates to the technical field of rail transit, in particular to an open wagon side door locking device and an open wagon side door. Comprising a lock box mechanism and a rotating rod, the lock box mechanism comprises a lock box and a lock cylinder, the lock box is installed on one side door of the open wagon, the lock cylinder is installed in the lock box in a sliding mode, a spring is arranged between one end of the lock cylinder and the inner wall of the lock box, a lock hole is formed in the lock box, the rotating rod is rotatably installed on the other side door of the open wagon, a spring bolt is fixed to the rotating rod, and the spring bolt is matched with the lock cylinder through the lock hole. According to the open wagon, the lock box mechanism is installed on one side door of the open wagon, the spring bolt is installed on the other side door of the open wagon, after the two side doors of the open wagon are closed, the rotating rod is rotated, the hook body of the spring bolt ent