Flatness detection device for ultra-large high-rise masonry wall surface construction

The utility model discloses a flatness detection device for ultra-large high-rise masonry wall surface construction, which comprises a wedge-shaped block, the front surface of the wedge-shaped block is provided with an inclined through hole, the inner wall of the inclined through hole is slidably connected with a zigzag sliding plate, the side surface of the zigzag sliding plate is fixedly connected with a marking block, and the upper surface of the wedge-shaped block is provided with scale marks. According to the flatness detection device for super-large high-rise masonry wall surface construction, a guiding rule is used for being tightly attached to a wall surface, then a wedge-shaped block is tightly attached to the wall surface, the wedge-shaped block is pushed to be inserted into a gap between the guiding rule and the wall surface, at the moment, a marking block is blocked by the guiding rule, the marking block can move, then a zigzag sliding plate drives a sliding rod to move, and after the wedge-shaped