Medium-and-large hole type engineering driller

• Main Authors: ZHANG LIANGFU, ZHOU YUEYANG, MAO WEI
• Format: Patent
• Language: Chinese; English
• Published: 07.08.2013
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

The utility model relates to a medium-and-large hole type engineering driller. The medium-and-large hole type engineering driller comprises a base. A guide frame is arranged on the base. A fixing frame for fixing the guide frame is arranged between the guide frame and the base. Ladder stands extendi...