Traveling rail buttress based on subway shield segment pre-buried channel

The utility model discloses a running rail buttress based on a subway shield segment pre-buried channel, which comprises a base and a pressure-bearing structure, a connecting seat is fixed in the middle of the top of the base through a bolt, the bottom of the pressure-bearing structure is welded with the bottom of the base, and the pressure-bearing structure is mounted around the connecting seat; the pressure bearing structure comprises a first rubber block, a first connecting shaft is welded to the bottom of the first rubber block, a pressure bearing seat is welded to the bottom of the first connecting shaft, a movable rod is arranged in the first connecting shaft in a sleeved mode, and a pressure bearing spring is arranged outside the movable rod in a sleeved mode. The pressure-bearing structure further comprises a second connecting shaft, the bottom of the second connecting shaft is welded to the right side of the top of the pressure-bearing base, and a second rubber block is welded to the top of the secon