Wall surface smoothing device convenient to install and used for constructional engineering

The utility model discloses a convenient-to-install wall surface smoothing device for constructional engineering, and relates to the technical field of wall surface pasting equipment, the convenient-to-install wall surface smoothing device for constructional engineering comprises a mobile vehicle body and a tractor, the top of the mobile vehicle body is fixedly provided with a slurry pump, and the surface of one side of the mobile vehicle body is fixedly provided with a fixed hanging seat; and an electric hydraulic rod is fixedly mounted on the top surface of the fixed hanging seat. The tractor is pulled to move to a designated position by controlling the mobile vehicle body, then the two threaded columns are rotated to be perpendicular to the ground, a crowbar is inserted into the prying groove to rotate the threaded columns, the anti-skid feet and the ground are controlled to be supported, the position of the tractor is fixed, the structure is stable, and stability is good; when the operation is completed,