Down-hole hammer holder and rotary drilling rig

• Main Authors: LI LUN, WU ZEWEI, JIANG JIAQIANG, HE WENSI, WEI YAKUN, SHI XINZHONG, LIU LIJUAN, FAN QIANGSHENG
• Format: Patent
• Language: Chinese; English
• Published: 04.06.2024
• 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 belongs to the technical field of engineering machinery, and particularly relates to a group of down-the-hole hammer holders and a rotary drilling rig. The down-the-hole hammer clamp holder comprises a bracket assembly, a right holding claw mechanism, two clamp holder oil cylinders and a left holding claw mechanism; the bracket assembly comprises a bracket mechanism and a bracket oil cylinder seat; the bracket oil cylinder seat is positioned above the bracket mechanism and is connected with the bracket mechanism; the right holding claw mechanism and the left holding claw mechanism are rotationally connected with the bracket mechanism; an anti-interference gap is formed between the inner ends of the clamping parts of the right holding claw mechanism and the left holding claw mechanism; one end of each holder oil cylinder is hinged to the bracket mechanism, and the other end of each holder oil cylinder is hinged to the right holding claw mechanism and the left holding claw mechanism. According