Auxiliary scabbling support for tunnel inverted arch side wall

• Main Authors: WANG GUANDING, REN SHAOJIANG, WANG WEIJIE, LIU KAI, QIAO RUITAO, WU RUIJUN, REN PENGYING, PAN ANQUAN, ZHAO GUOPENG, CHEN CHUANMING, ZHANG YIN, WU XIAOXIONG, LI WEIDONG
• Format: Patent
• Language: Chinese; English
• Published: 10.10.2023
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The utility model belongs to the technical field of scabbling construction, in particular to an auxiliary scabbling support for an inverted arch side wall of a tunnel, which solves the technical problems in the background technology and comprises two bent supporting rods and a plurality of supporting cross rods, the bent supporting rods are arranged along the curvature of a low side wall of an inverted arch, and the supporting cross rods are welded between the two bent supporting rods. The adjacent supporting cross rods are arranged at intervals, the supporting cross rods and the bent supporting rods are installed and welded to form a curved surface structure matched with the curved surface of the inverted arch low side wall, and at least three sets of triangular supports supported on the inverted arch low side wall are welded to each bent supporting rod. A sprinkling pipeline parallel to the top supporting cross rod is welded to the bottom of the top supporting cross rod, at least two dust removal nozzles fa