It can carry out liquid normal circulation and air normal circulation etc. many kinds of drilling methods. ? Adopts full hydraulic drive, central control, facilitate operating and reliable. ? Power takes from the chassis engine. After changing in transfer case, power of chassis engine will be sent to hydraulic system of drilling rig, air compressor and mud pump. ? Mud pump and air compressor are controlled by one clutch separately. Install un-directional valve on air piperevent mud getting into air compressor system. ? Drilling rig system works by two hydraulic variable pump work through series-parallel connection. Power swivel uses double speed motor driving with big rev and torque scope. It has a broad applicability. ? Top-driving improves drilling efficiency highly. End frame at end part is leveled through hydraulic system. ? Pulldown speed control system of drilling rig has the function of self-adapting to stratum. It doesn’t need manpower non-stop operating down hydraulic level. Drilling system can carry out possible max speed to do drilling according to stratum situation. ? Specially designed two pieces of hoisting chains auto equalizer can improve the system’s security and reliability. Drilling rigs meet QHSE requirements. ? Chassis chosen for drilling rig include: Tiema China, Shatuo China and SHANXI automobile China.
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