Classification of water well drilling rigs(VI)
Second, according to the type of drive device
Water well drilling rigs can be divided into the following categories according to the type of driving equipment:
1. Electric-driven drilling rig: It is mainly powered by an AC motor to drive the drill pipe to the turntable. It is equipped with a water tap, a kelly, a lifter, etc., and the pressure and pressure are realized by its own weight and a winch.
2. Mechanically driven drilling rig: It is mainly powered by a diesel engine to drive the drill pipe to the turntable. It is equipped with a water tap, a kelly, a lifter, etc., and the pressure and pressure are realized by its own weight and a winch.
3. Hydraulic drilling rig: The power head is provided with hydraulic power to drive the drill pipe. The power head is both a faucet and a lifter. It functions as a drawworks when raising and lowering the drilling tools, and functions as pressurization and decompression when drilling.