Pavement repairing device for highway maintenance

The utility model discloses a pavement patching device for highway maintenance, which comprises a lower fixed seat, a lower fixed seat, an upper fixed seat and a lower fixed seat, the upper workbench is installed on the lower fixing base through a hydraulic lifting cylinder, and an action area, a working area and a repairing area are sequentially arranged on the upper workbench; and the adjusting assembly is installed in the action area and comprises arc-shaped limiting plates, an arc-shaped walking groove and a rotating rod, the rotating rod walks in a walking track composed of the two arc-shaped limiting plates, the drilling assembly is located in the working area, and the rotating rod drives the drilling assembly to do planar motion in the working area. According to the pavement patching device for highway maintenance, provided by the utility model, only one drilling motor is needed to complete the punching operation of gaps in sequence, so that the shaking of the pavement patching device is reduced, and t