Digital twinning-based steel structure full-life-period monitoring device and method

The invention discloses a digital twinning-based steel structure full-life-period monitoring device and method, and relates to the field of steel structure full-life-period monitoring, the digital twinning-based steel structure full-life-period monitoring device comprises a mounting box, and a detection probe, a cleaning piece and a coupling liquid nozzle which are arranged in the mounting box, the auxiliary flaw detection mechanism comprises a guide arc groove formed in the inner side face of the mounting box, the inner side face of the guide arc groove is slidably connected with a mounting block, and the bottom of the mounting block is slidably connected with a base. According to the digital twinning-based steel structure full-life-period monitoring device and method, the detection probe and the suspender are connected through the climbing mechanism, so that the detection probe can be driven to rotate at a certain angle along the outer wall of the suspender under the matching action of the driving part and