Expansion joint cover plate for construction

The utility model discloses a construction expansion joint cover plate which comprises two base plates, a cover plate body is connected between the two base plates in a sliding mode, the cover plate body is connected with two first sliding blocks in a sliding mode, the cover plate body is fixedly connected with a first sliding rod, the first sliding rod penetrates through the two first sliding blocks and is connected with the two first sliding blocks in a sliding mode, and the first sliding rod is sleeved with two damping springs. The ends, deviating from each other, of the two damping springs are fixedly connected with the corresponding first sliding blocks, the ends, close to each other, of the two damping springs are fixedly connected with the cover plate, and an adjusting mechanism used for adjusting the two first sliding blocks is arranged in the cover plate. The two base plates are rotationally connected with supporting rods, and connecting pieces connected with the corresponding first sliding blocks ar