Drill rod sleeve assembly of high-pressure jet grouting pile machine

• Main Authors: DU SHENGNAN, XIAO YUBIN, ZHANG SHENGYUAN, FAN CHENMAN, DONG KAI, HE FANGYUAN, LI HAIFENG, BAI CHUANJIANG, DUAN SONG, ZHANG CHENGLONG, BAI BING, ZHANG XINGNAN, YAN KE, LIU BO, ZHAO KEQIAN, JIANG WEI, YANG BEI, LIU YONGQIANG
• Format: Patent
• Language: Chinese; English
• Published: 16.07.2024
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

The invention belongs to the technical field of engineering construction equipment, and particularly relates to a drill pipe sleeve assembly of a high-pressure jet grouting pile machine, which comprises a pipe body, a baffle ring is fixedly mounted on the outer wall of the pipe body, an external thread is arranged on the outer wall of the pipe body, an internal thread is arranged on the inner wall of the pipe body, a lower drill pipe is arranged in the pipe body, and a lower drill pipe is arranged in the lower drill pipe. A convenient assembly is fixedly mounted on the outer wall of the baffle ring; the lower drill rod is supported by the rod holding units under extrusion force, and when the power source disc is completely screwed into the internal thread and the external thread, the lower drill rod is completely supported by the multiple rod holding units in the pipe body, and the lower drill rod is firmly fixed to the middle position in the pipe body; through the design of the rod holding unit, the phenomen