Full-blade spiral drilling machine

The utility model discloses a full-blade spiral drilling machine. The full-blade spiral drilling machine comprises a spiral drilling rod, a cylindrical drill bit, fan blades, a small cylindrical drillbit, a connecting base, a reinforcing plate and a fixing hole. The utility model has the key points that a cylindrical alloy steel drill bit with the length of 15cm and the diameter of 6cm and 1.5 mfan blades spirally wound upwards are adopted, the drill bit is divided into eight fan blades in total, and the bottommost fan blade is connected with four small cylindrical drill bits in a welding manner. The device is simple in structure and convenient to use, can smoothly complete hole guiding operation tasks in a fishpond, reduces requirements for skills of operators, is high in efficiency, does not deviate and can clean up sludge in holes when guiding the holes in an underwater hard calcified layer, pipe pile hole entering time is saved, vibration generated when pipe piles enter the holesis reduced, damage to the