Maintenance equipment and method for expressway micro-surfacing

The invention relates to the technical field of highway maintenance, and discloses highway micro-surfacing maintenance equipment and method.The highway micro-surfacing maintenance equipment comprises a vehicle body and further comprises a pipe body, a driving device and a driving device, the maintenance assembly is arranged below the pipe body, and the maintenance assembly is used for maintaining the road; the maintenance assembly comprises switching boxes, a spraying mechanism and a blockage switching mechanism, the interior of each switching box is hollow, the multiple switching boxes are linearly and uniformly arranged below the pipe body, the top of each switching box is vertically communicated with a connecting pipe, and each connecting pipe is communicated with the pipe body. The road micro-surfacing maintenance equipment can automatically monitor whether the first spray pipe is blocked or not when the road micro-surfacing maintenance is carried out, and can automatically switch to the second spray pipe