Reflective target assembly for monitoring convergence deformation of tunnel

The utility model discloses a reflective target assembly for monitoring convergence deformation of a tunnel, which belongs to the technical field of tunnel engineering, and comprises a mounting part, a connecting part and a target part, the mounting part is used for being embedded and mounted at the rock wall of the tunnel, the connecting part comprises a connecting rod and movable enclasping parts arranged at the two ends of the connecting rod, and the movable enclasping parts are connected with the mounting part. The movable enclasping parts at the two ends are connected with the mounting part and the target part respectively, a reflective mark is attached to the surface of the target part, the main body of the mounting part is of an expansion bolt structure and comprises a bolt, a sleeve and a nut, the front end of the bolt is of a conical closing-up structure, and the rear end of the bolt is of a threaded structure matched with the nut. And the thread structure can be mounted and connected with the movabl