Expressway roadbed and pavement maintenance construction equipment

The invention relates to the field of maintenance construction equipment, in particular to highway roadbed and pavement maintenance construction equipment. The device comprises a base, a plurality of moving wheels arranged on the base, a supporting table arranged above the base and parallel to the base, a storage tank arranged on the supporting table, a discharging pipe communicating with the storage tank and a spray head arranged on the base and communicating with the discharging pipe. The bottom of the box body is open, the baffles are symmetrically hinged to the two sides of the box body, the driving mechanism is used for driving the baffles to turn over, the two opposite sides of the box body are each provided with an installation groove communicated with the interior of the box body, one end of each baffle stretches into the box body and is hinged to an opening of the corresponding installation groove, and the other end of each baffle stretches into the box body. And the discharging pipe is communicated