Telescopic revolution rack for super-large-diameter full-section vertical shaft drilling machine

• Main Authors: ZHAO ZHIFENG, ZHAO HONGHONG, JIAN HAIFENG, ZHANG XIAOMING, ZHAO KAI, ZHAO DASHUAI, CUI LANGLANG, MIAO JUNKE, MENG YONGHONG
• Format: Patent
• Language: Chinese; English
• Published: 02.11.2021
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; SHAFTS; TUNNELS

The utility model relates to the technical field of vertical shaft tunneling construction equipment, in particular to a telescopic revolution rack for an ultra-large-diameter full-section vertical shaft drilling machine, which comprises a middle frame, revolution beams, a telescopic beam, a connecting beam and a driving box, one end of the revolution beam is detachably connected with the middle frame, the other end of the revolution beam is movably connected with one end of the telescopic beam, the other end of the telescopic beam is correspondingly provided with the driving box and the cutter head, and under the action of the driving device, the telescopic beam can drive the driving box and the cutter head to move front and back in the axial direction of the corresponding revolution beam; a connecting beam is arranged between every two adjacent revolution beams, a driving box and a cutter head are arranged between the middle of each connecting beam and the middle frame, the diameter of an excavated hole can