Automatic drilling, grouting and anchoring integrated system and construction method

• Main Authors: ZHU YONGHAO, MENG MINGLIANG, HOU LIANG, KONG LINGXI, ZHANG WEIZHI, LIU HANG
• Format: Patent
• Language: Chinese; English
• Published: 17.01.2023
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The invention discloses an automatic drilling, injecting and anchoring integrated system and a construction method, the integrated system comprises a drilling system, an anchor rod and an anchoring agent pumping system, the drilling system comprises a drilling sleeve, a drilling shaft and a water jacket, the anchor rod comprises a rod body and a drill bit arranged at the front end of the rod body, and the anchoring agent pumping system is connected with the drilling sleeve. A sealing washer, a self-locking nut, a spherical nut and a base plate are sequentially arranged at the tail part of the rod body; a stirring core is arranged in the drill bushing, one end of the stirring core is connected with the drill shaft, and the other end of the stirring core is connected with the tail of the anchor rod body. And a water jacket is arranged outside the drill spindle. The drill bushing and the anchor rod are in non-rigid connection, a drilling machine can directly return to an initial machine position after the anchor