Segment crane

A driving shaft, a transmission shaft and a driven shaft are sequentially arranged between a tunnel trolley double-rail beam from left to right at intervals, a driving motor is arranged on the outer side of the double-rail beam, a rack is arranged on the lower edge of the inner side of the double-rail beam and meshed with a gear installed on the transmission shaft, the driving motor rotates to drive the driving shaft to rotate, and then the driven shaft is driven to rotate. A fixed plate is arranged on the front side of the transmission shaft, a pulley block is arranged at the lower end of the fixed plate, a lifting hook is arranged at the lower end of the pulley block, the pulley block is connected with a lifting wheel through a first steel wire rope, and the lifting wheel is connected with a lifting motor mounted on a motor frame; according to the utility model, steel wire rope transmission is adopted to drive traditional chain wheels and chains, so that equipment collision is reduced, gear abrasion is redu