Be applied to tunnel segment's locking device

The utility model discloses a be applied to tunnel segment's locking device, the device includes: on the fixed board of bottom of a matter in the front of first baffle, the second baffle is fixed on the bottom plate of first rear end, and first lead screw passes first baffle with the second baffle, just first locking part will first lead screw is fixed on the first baffle, second locking part will first lead screw is fixed on the second baffle, the front end bottom plate is fixed on the K type section of jurisdiction among the tunnel segment, third locking part will first rear end bottom plate is fixed on the A type section of jurisdiction. The utility model provides a be applied to tunnel segment's locking device can make K type section of jurisdiction toward tunneling the reduction of the recessional volume of retreating of direction in the work progress to reduce the too big probability that leads to gap percolating water in gap between the section of jurisdiction, improved the quality of assembling of shield structure section of jurisdiction.