Durable monorail crane

The utility model relates to the technical field of monorail travelling cranes, in particular to a durable monorail travelling crane, which reduces the load bearing of stress rollers and improves the durability of the monorail travelling crane, and comprises a guide rail and two travelling crane fixing frames, the top of each travelling crane fixing frame is provided with a plurality of fixing shafts; the bottom end of each traveling crane fixing frame is provided with a plurality of fixing blocks, connecting rods are arranged between the corresponding fixing blocks on the two traveling crane fixing frames, the two ends of each connecting rod are provided with first nuts, a plurality of connecting shafts are arranged between the two traveling crane fixing frames, and the connecting rods are connected with the connecting shafts. A rolling shaft is arranged in the middle of each connecting shaft, second nuts are arranged at the two ends of each connecting shaft, bolts are arranged at the bottom ends of the two