Testing device for landslide debris flow accumulation

A test device for landslide debris flow accumulation comprises an opening and closing mechanism, a stacking box body, a stacking platform, an image collector and a three-dimensional scanner, the stacking box body is used for stacking landslide debris flows, one side of the stacking box body is connected with the stacking platform, one side of the stacking box body is provided with an opening, and the opening and closing mechanism comprises an opening and closing driving assembly and a door body; the door body is arranged at the opening in an openable or closable mode, and the opening and closing driving assembly is used for providing power for opening of the door body so that the landslide debris flow can slide to the accumulation platform to form an accumulation body; the image collector is used for collecting image information of the landslide debris flow sliding process at a preset frame rate, and the three-dimensional scanner is used for conducting three-dimensional scanning on the accumulation body. The