Stay wire device ladder for building construction measurement

The utility model provides a building construction measuring stay wire device ladder which comprises a machine body assembly and a measuring mechanism, and the machine body assembly comprises two ladder frames, pedals, a supporting plate, a threaded pipe and a sliding groove; the measuring mechanism comprises a box body, a laser transmitter, a limiting block and a laser distance measuring sensor; the box body is moved to drive the threaded pipe to slide in the sliding groove, so that the height of the box body is adjusted, then laser rays are emitted through the laser emitter, horizontal measurement is conducted on a building, the application range of the wire drawing equipment is widened, then the measuring rope is pulled out by moving the limiting block according to the position of the laser rays, and the measurement accuracy is improved. The laser distance measuring sensor is used for detecting distance data between the limiting block and the box body, the PLC is used for receiving the data of the laser di