Grouting tool for mine laneway

• Main Authors: ZHANG XIAPENG, FAN JUNPING, YANG YUANZHONG, WU PENGLIANG, QIU JINZHONG, LI BOQIANG, ZHANG JING, AN ZHE, CHEN DEDONG, LIU LIMU, GUO JINGZHONG, NI HUAIHUA, LIU YUDE, LUO CHENG
• Format: Patent
• Language: Chinese; English
• Published: 22.03.2024
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The grouting tool comprises a grouting pipe and a positioning cylinder, a threaded hole is formed in the top end of the positioning cylinder, the inner wall of the threaded hole is in threaded connection with a threaded rod, the inner bottom wall of the positioning cylinder is elastically connected with a connecting block through a first spring, and the connecting block is rotationally connected with one end of the threaded rod; a mounting sleeve is rotatably connected to the side wall of the threaded rod, connecting plates are symmetrically and elastically connected to the side wall of the mounting sleeve through a plurality of second springs, a plurality of positioning rods are fixedly connected to the side wall of each connecting plate, and each positioning rod is slidably connected to the interior of the corresponding sliding groove. The grouting pipe is used for grouting, so that gaps in the inner wall of the roadway can be filled, and the firmness degree of the roadway is increased; and after grouting,