Sleeper damping, derailment-preventing and segment-damage-preventing device for shield underground transportation system

The invention relates to a sleeper damping, derailment-preventing and segment-damage-preventing device for a shield underground transportation system, and belongs to the technical field of shield equipment. Profile steel is arranged to serve as a sleeper, steel rails matched with a transport vehicle serves as rails, and the steel rails and the sleeper are connected in a pressing plate mode and fastened through bolts. According to the invention, the contact surface of the sleepers and a shield segment is designed into an arc with the same radius as the inner side structure of the segment, the profile steel serving as the sleeper is designed into a groove type, a rail determinator is cancelled, and damping rubber plates are additionally arranged among the sleeper, the shield segment and thesteel rails, the damping rubber plates and the sleeper are fixed through bolts, so that during shield construction, vibration and noise generated by the underground transportation system are effectively reduced and controlled