Extracting device is grabbed on landing stage

The utility model discloses an extracting device is grabbed on landing stage belongs to and loads or unloading equipment technical field, put up and be fixed in including the crane barge grab bucket, hopper and shale shaker on the crane barge frame, the shale shaker suspends in midair on the crane barge frame through a plurality of wire rope winding plant telescopics, the wire rope winding plant is including being fixed in winding motor on the crane barge frame and with winding motor main shaft stationary wire rope hoist roller, the winding of wire rope hoist roller has the wire rope with vibrating sieve connected, winding motor is step motor, still includes control system, control system includes PLC controller and display with the winding motor intercommunication. The utility model discloses a but wire rope winding plant, the different position wire rope's of control system automatically regulated shale shaker effective length to the inclination of adjustment shale shaker realizes the mechanization of diffe