The drum for winding of a cable consists of the hollow cylinder in which there is a ring current collector. The Tokosjemny device of the cable reel consists of the copper contact rings fixed on rotating to a drum shaft to which cable veins are connected. Copper-graphite brushes adjoin to the motionless brush holder - from them the brought stress is removed. The cable is reeled up on an external cylindrical surface of a drum and taken up from a drum at the expense of own tension or as a result of change of the direction of rotation of the drive of the drum.
LLC ALAMAK has an opportunity to make and put the motor cable reel which is fixed on a design of the crane and has the actuating unit by means of which there is a winding of a cable on a drum at the movement of the crane to point of connection of the electric power. The motor cable reel - the cable reel with the electric drive for the most various opportunities of applications.