Construction dust removal device

The invention discloses a construction dust removal device, which belongs to the field of road dust removal and comprises a workbench, supporting legs are fixedly mounted at four corners of the lower end face of the workbench, driving wheels are rotatably connected to the lower ends of the supporting legs, a control mainboard is fixedly mounted on the front side of the upper end face of the workbench, and a double-shaft motor is fixedly mounted on the rear side of the upper end face of the workbench. A transmission mechanism is arranged on the front side of the double-shaft motor, a stretching mechanism is arranged on the rear side of the double-shaft motor, and a suction precipitation mechanism and a spraying dust removal mechanism are arranged in the stretching mechanism. According to the scheme, the suction precipitation mechanism is arranged, a suction motor is started through the control main board, negative pressure is generated at a suction opening, dust on the road surface is sucked, meanwhile, when p