Automatic loading vehicle contour detection device capable of automatically removing dust

The invention discloses an automatic loading vehicle contour detection device capable of automatically removing dust, which comprises a rectangular mounting pipe gallery, a door-shaped top pipe gallery and a water spraying and dust falling device, and is characterized in that the top pipe gallery is arranged at the upper end of the mounting pipe gallery, and the water spraying and dust falling device is arranged on the mounting pipe gallery and the top pipe gallery; the device further comprises four sets of detection assemblies arranged at the four right-angle positions of the installation pipe gallery correspondingly. According to the technical scheme, by arranging the water supply assembly, the hydraulic driving assembly and the wiping piece, when the water spraying and dust falling device conducts dust removal on the to-be-detected lane area, part of water flow enters the water supply assembly, and then under the action of the entering water flow, the hydraulic driving assembly drives the wiping piece to w