Bridge expansion joint width distributed monitoring device based on binocular vision

The utility model discloses a bridge expansion joint width distributed monitoring device based on binocular vision. The bridge expansion joint width distributed monitoring device based on binocular vision comprises a first strip-shaped target object and a second strip-shaped target object which are installed on the two sides of a main beam expansion joint in the vertical direction of a main beam.A plurality of paired to-be-measured points are arranged on the first strip-shaped target object and the second strip-shaped target object at equal intervals, the vertical heights of all the to-be-measured points are the same, a binocular camera is installed on the side portion of the main beam expansion joint, and the camera shooting range of the binocular camera covers the first strip-shaped target object and the second strip-shaped target object; the bridge expansion joint seam width distributed monitoring device based on binocular vision is beneficial to real-time monitoring of the bridgeexpansion joint seam width