Concrete chiseling and cleaning device for hinge joint of hollow slab of old bridge

The invention provides a concrete chiseling and cleaning device for a hinge joint of a hollow slab of an old bridge. The device comprises a mobile vehicle, and an inclined surface cleaning mechanism I and an inclined surface cleaning mechanism II which are used for cleaning the inner side surface of the hinge joint of the hollow slab of the old bridge, the inclined surface cleaning mechanism I and the inclined surface cleaning mechanism II are both arranged on a lifting frame, the lifting frame is arranged on the mobile vehicle in a manner of sliding up and down, and the lifting frame is further provided with a material blocking assembly; and the mobile vehicle is arranged on a bridge body of an old bridge, and the inclined surface cleaning mechanism I and the inclined surface cleaning mechanism II are arranged at the upper end and the lower end of the mobile vehicle correspondingly. According to the concrete chiseling and cleaning device for the hinge joint of the hollow slab of the old bridge, concrete can