Blade running elevation measurement device and method based on binocular stereovision technology

The invention aims to provide a blade running elevation measurement device and method based on binocular stereovision technology. The device comprises a light source, an inductance proximity switch, a helicopter blade mechanism, cameras, a guide rail and a graphic workstation, wherein the light source is arranged above the helicopter blade; the inductance proximity switch is mounted on the helicopter blade; left and right cameras are mounted on the guide rail, face the helicopter blade and are distributed at the two sides of the helicopter blade; and the two cameras are connected with the graphic workstation. The device is simple in structure, convenient to adjust, simple to mount and maintain and stable and reliable in working.