Fishing net winding and unwinding devices

The utility model relates to a fishing net winding and unwinding devices belongs to the ship and joins in marriage technical field. A fishing net winding and unwinding devices, includes chain slab band, second gyro wheel, second roller bearing, second motor, rope, fishing net, buoy, heavy object, extension board, first small-size underwater propulsion ware, the small-size underwater propulsion ware of second, second support, first motor, frame, first support, first roller bearing, first gyro wheel and controller, two first support mountings are on boat deck, and the controller is installed on first support, and first roller bearing is installed on two first supports, and first gyro wheel is installed on first roller bearing, and first roller bearing passes through the shaft coupling and links to each other with first motor, and first motor is installed on the frame, and first motor passes through the wire and links to each other with the controller, and the frame is installed on boat deck. The utility model has the advantages that: the fishing net automatic rising can be realized, and the horizontal fishing area of fishing net can be enlarged in the sea.