Pavement cutting device for road and bridge construction

The utility model discloses a road surface cutting device for road bridge construction, which relates to the technical field of road bridge construction and comprises a device main body, a square groove is arranged at the bottom end of the device main body, a movable block is movably arranged in the square groove, and a sliding groove is arranged at the bottom end of the movable block. Through the arrangement of a threaded rod and a screwing block, the threaded rod can be driven to move up and down by rotating the threaded rod through the screwing block, so that a movable block and two sliding plates on the movable block can be driven to move up and down, the height of a cutting wheel is adjusted, and the cutting depth of the cutting wheel is changed; due to the fact that the screwing directions of threads at the two ends of the lead screw are opposite, the lead screw can drive the two sliding plates to be close to or far away from each other when rotating, the distance between the two cutting wheels is chang