Building construction robot

The invention discloses a building construction robot, relates to the technical field of building construction, and has the advantage that concrete bricks can be conveyed to a robot mounting base when the robot mounting base moves in the direction perpendicular to a conveying belt to build a wall. According to the technical scheme, two opposite vertical plates are arranged on the side, facing a robot mounting base, of a conveying belt, a plurality of first rotating rollers consistent with the conveying direction of the conveying belt are rotationally connected between the two vertical plates, and a plurality of second rotating rollers are rotationally connected between the two vertical plates; the conveying direction of the second rotating rollers is perpendicular to the conveying direction of the first rotating rollers, the vertical plate is provided with a first conveying piece used for conveying concrete bricks located on the first rotating rollers to the second rotating rollers, and the vertical plate is