Engineering driller drill rod with drill bit convenient to replace

• Main Authors: YANG ZHUANGHUI, PENG MENG, YANG FENGQIONG
• Format: Patent
• Language: Chinese; English
• Published: 09.07.2024
• 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 relates to the technical field of drilling machine drill rods, in particular to an engineering drilling machine drill rod with a drill bit convenient to replace, which comprises a mounting flange, a lower drill rod and an upper drill rod, the upper end of the mounting flange is fixedly connected with the lower drill rod, the interior of the lower drill rod is connected with a threaded rod through threads, and the upper end of the threaded rod is fixedly connected with the upper drill rod. The upper drill rod is in contact with the lower drill rod, the lower drill rod and the upper drill rod are jointly provided with a limiting mechanism, and the upper end of the upper drill rod is provided with a mounting mechanism. By arranging the mounting ring, the limiting ring, the sealing ring and other parts, the limiting rod is clamped into the limiting ring under the action of the spring, the limiting ring and the mounting ring are fixed, different drill rods are limited, impurities are prevented fr