Graphrecognition data acquisition device for building construction quality

The invention relates to the technical field of data acquisition devices, in particular to a graph recognition data acquisition device for building construction quality, which comprises a device main body, a support rod, a mounting disc and a support leg, protection mechanisms are arranged on both sides of the device main body, and each protection mechanism comprises: a cross rod connected to the top end of the support rod; mounting grooves, wherein the number of the mounting grooves is two, and the two mounting grooves are formed in the surfaces of the two sides of the top end of the cross rod correspondingly; mounting rods, wherein the mounting rods are located on the inner sides of the mounting grooves, and external threads are formed in the bottom ends of the surfaces of the mounting rods; annular sleeves are arranged on the surfaces of the mounting rods in a sleeving manner; connecting plates which are located at the top ends of the mounting rods; and anti-collision columns which are located at the top e