Working platform for engineering quality management

The working platform for engineering quality management comprises a cylinder, a handle, an air cylinder, a connecting frame, a connecting block, a connecting rod and a round box, the handle is fixedly arranged at one end of the cylinder, the air cylinder is fixedly arranged at the end, away from the handle, of the cylinder, and the connecting frame is hinged to the free end of the air cylinder; the connecting block is fixedly arranged on the outer side wall of the connecting frame, the connecting rods are fixedly arranged on the outer side wall of the connecting block, the connecting rods are annularly arranged, and the round box is fixedly arranged at one end of each connecting rod. The utility model belongs to the technical field of quality management, and particularly relates to a marking assembly which is convenient to adjust to different heights through integral telescopic design and angle adjustment and can be quickly attached to a wall surface, so that a box body can be conveniently supported, a markin