Rail laying device

The utility model discloses a track laying device which comprises a track supporting mechanism, and the track supporting mechanism comprises a supporting seat assembly used for supporting a track; anda fixed connection assembly, the fixed connecting assembly is used for connecting the supporting base assembly to a reinforcing mesh. The fixed connecting assembly comprises hoops, a lengthened nut and a fastening screw, the hoops are connected to the two ends of the lengthened nut respectively, one hoop is used for being fixed to the supporting base assembly, the other hoop is used for being fixed to the reinforcing mesh, and the fastening screw is used for fixing the hoops and the lengthened nut. When the track laying device disclosed by the utility model is used for track laying construction; the hoops at the two ends of the lengthened nut wrap the supporting base assembly and the steel bar mesh respectively, then the two hoops and the lengthened nut are fixed through the fastening screws, the supporting base