The aerated concrete crane is a special crane specially used for lifting concrete molds and blanks. It consists of four parts: box bridge, cart running mechanism, lifting mechanism and electrical equipment. Molding and demoulding work. Hoisting Mechanism The hoisting mechanism is fixed between two main girders and consists of a motor, a reducer, a brake, a reel and a guide pulley. The wire rope is wound out from the drum, and wound to the pulley on the spreader through the pulleys fixed on the bridge frame or trolley at the left and right ends to form a double lifting point. The operating mechanism of the trolley adopts the form of separate drive, conical motor braking, and open gear transmission.