Structure: the KQ series submersible drilling rig, work, power plant to sneak into the bottom drive drill hole rotary cutting, drilling rigs will not be diverted to only play the role of connecting the transmission torque conveying mud. 
 Features: simple operation, easy maintenance, lightweight and flexible, to facilitate the construction; low energy consumption, high efficiency; small vibration, low noise, expanding rate is small, pore-forming rules. 
 : Silt, sand, clay, weathered rock and other geological. 
 Uses: mainly used in transportation, municipal, water conservancy, civil and building works, large diameter ultra-deep foundation bored piles.