Quick tool changing and reinforcing structure for boulder group blasting section in shield section

• Main Authors: ZHANG MINGXU, LI WEIZHOU, WANG ZONGYONG, LIU BOFENG, CHEN QINGHUAI, YI LINGBING
• Format: Patent
• Language: Chinese; English
• Published: 07.05.2024
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The utility model provides a shield interval boulder group blasting section rapid tool changing and reinforcing structure which comprises a shield body, and a shield body radial grouting pipe, a foam concrete injection hole in a partition plate and a telescopic cutter head are arranged on the shield...