Highway pavement cooling maintenance device

The utility model discloses a highway pavement cooling maintenance device, relates to the technical field of highway maintenance, and aims to solve the technical problem that the highway pavement cooling maintenance device cannot be adjusted according to different road conditions in the prior art. The cooling maintenance device comprises an equipment base; a water tank is fixedly mounted at the upper end of the equipment base, a stretching assembly is arranged on the inner side of the equipment base, two movable spray pipes are arranged at the bottom end of the stretching assembly, a fixed spray pipe is arranged at the bottom end of the equipment base, a water outlet valve is arranged on the outer side of the equipment base, and a fixed plate is arranged on the outer side of the equipment base. According to the highway pavement cooling maintenance device, the two sets of movable spraying pipes are driven to move outwards through the stretching assembly, water in the water tank is driven to enter the movable s