Civil engineering wall perpendicularity detection device

The utility model relates to the technical field of building construction, in particular to a civil engineering wall perpendicularity detection device, which comprises a wall leaning plate and a swinging arm, a limiting swinging piece is arranged between the wall leaning plate and the swinging arm, namely the swinging arm cannot fall off from the wall leaning plate when swinging, a counterweight conical head is arranged at the end part of the swinging arm, and the counterweight conical head is connected with the limiting swinging piece. A limiting storage part is arranged between the counterweight conical head and the swing arm, and a measurement reading part is arranged on the surface of the wall leaning plate; the civil engineering wall perpendicularity detection device has the advantages that the swing arm is additionally arranged on one side, close to the wall plate, of the civil engineering wall perpendicularity detection device, the end portion of the swing arm is connected with the balance weight conic