Multi-purpose sprayer for road and bridge

The utility model relates to a multi-purpose sprayer for roads and bridges, which is formed in a way that a gasoline engine 1, an air compressor 2, an air storage tank 3, a high pressure air pipe 4, a spray gun 5, and a paint stirring barrel 8 are fixed on a same walk trolley 6, wherein, a small stirring device is arranged in the paint stirring barrel 8, and the small stirring device is driven to stir by a rotating shaft of a starting wheel 7 of the gasoline engine. The multi-purpose sprayer for roads and bridges has the advantages of reasonable and compact structure, the capability of movement, low cost, flexible and convenient use and high work efficiency. The utility model can be widely used for spraying signs on road curbstones, tree trunks, walls, bridge railings, etc., and can also be used for the plastic spraying and the anti-corrosive thermal insulation spraying operations of field pipelines.