The utility model relates to the technical field of
oil exploration drilling equipment, in particular to
oil exploration drilling equipment with a
drill bit convenient to replace, which comprises a base, a fixing nail, a hydraulic rod, a connecting cylinder, a driving motor, a connecting rod, a fixing cylinder, a fixing seat and an excavating
drill bit. Multiple sets of fixing nails are arranged at the bottom of the outer side of the base, a hydraulic rod is arranged on the inner side of the upper portion of the base, a connecting cylinder is arranged at the bottom of the hydraulic rod, a driving motor is arranged in the connecting cylinder, a connecting rod is arranged at the bottom of the connecting cylinder, a fixing cylinder is arranged at the bottom of the connecting rod, and a fixing base is arranged at the bottom of the fixing cylinder. Excavating
drill bits are arranged at the bottom of the fixed seat; by adding the structure convenient to disassemble and assemble, the
drill bit can be quickly disassembled for replacement when drill bits with different diameters need to be replaced or the
drill bit is damaged, meanwhile, the
drill bit with the replaceable excavating part is used, only parts at the excavating part are replaced when the drill bit is abraded, equipment needing to be carried is reduced, and the cost is reduced. And the practical value of the device is increased.