Coal mine goaf tunnel supporting system and method

• Main Authors: HUANG YU, WANG FEI, LI MANHU, ZHENG YUN, LIANG JIABO, YAN LIANHUAN, HUANG HE
• Format: Patent
• Language: Chinese; English
• Published: 07.03.2023
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The invention relates to a coal mine goaf tunnel supporting system and method and relates to the technical field of tunnel supporting, the supporting system comprises supporting columns located on the two sides of a tunnel and a top plate arranged above the supporting columns, the ends, away from the supporting columns, of the top plate are hinged to each other, and the upper ends of the supporting columns abut against a cross beam which is transversely arranged below the top plate; a jacking column connected to the bottom wall of the cross beam slides in the supporting column in the vertical direction and used for jacking the cross beam to drive the jacking plate to rotate, and a driving assembly for driving the jacking column to slide is arranged on the supporting column. The method comprises the steps of supporting plate building, top plate building, top plate attaching, supporting plate attaching and building tunneling. The top columns and the cross beams are arranged in a sliding mode, the top columns ar