Rotary drilling machine drill bit body fishing device with quick mounting structure

• Main Author: CHENG JIELIN
• Format: Patent
• Language: Chinese; English
• Published: 21.03.2023
• 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 discloses a rotary drilling machine drill bit body fishing device with a quick installation structure, which comprises an installation shell and a connecting cover plate, the upper side of the installation shell is detachably provided with the connecting cover plate, the upper side of the connecting cover plate is provided with a threaded rod, the bottom of the threaded rod is provided with an installation plate, and the installation plate is connected with the threaded rod. Through the arrangement of the connecting cover plate, the fastening screw rod, the threaded rod, the mounting plate and the first fastening bolt, the device is simple in structure, convenient to mount and dismount and high in construction efficiency, labor is saved, the air cylinder, the telescopic rod and the first spring are arranged, the device is convenient to mount and dismount, and the device is convenient to mount and dismount and high in construction efficiency. The position of the clamping arm can be adjusted a