Bridge hinge joint maintenance and reinforcement structure

The utility model discloses a bridge hinge joint maintenance reinforcing structure, which belongs to the technical field of bridge maintenance and comprises hollow slabs and pavement layers arranged at the tops of the hollow slabs, reinforcing mechanisms are arranged at hinge joints of the adjacent hollow slabs, and grooves are formed in the pavement layers at the tops of the hinge joints. The reinforcing mechanism comprises a U-shaped connecting plate, a first clamping plate, a screw rod and a second clamping plate, the U-shaped connecting plate and the first clamping plate are arranged in the groove, the screw rod penetrates through the hinge joint, the second clamping plate is arranged at the bottom of the hinge joint, a bottom plate of the U-shaped connecting plate is located between the top face of the hollow plate and the first clamping plate, and side plates on the two sides of the U-shaped connecting plate are connected with the pavement layer through first bolts; the screw rod sequentially penetrates