¡¤With Max. drilling depth of 67m and Max. drilling diameter of 2500mm, the machine is suitable for large and medium size pile foundation engineering construction of city high building, railway, highway, bridge and so on.
¡¤Super output torque of 250kN¡¤m ensures the accomplishment of the construction under different geological conditions.
¡¤CATC-9 electric injection turbo-charged air intercooling diesel motor (Caterpillar U.S) gains such advantages as low-noise, less vibration, high-efficiency, environment-friendly and energy-saving, discharge meet the standard of EPAC Il. Diesel engine bears automatic accelerating /decelerating functions, reducing the fuel consumption by 5-10%, computer-sensing loading variation system makes the output power accord with the real requirements.
¡¤Hydraulic system adopts CAT master control loop & pilot control loop to achieve the optimal match under the various working condition load.
¡¤Key parts such as Hydraulic Pump, Hydraulic Motor, Hydraulic valve, and Piping Joints are introduced in well-known brand to assure high reliability of system.
¡¤Advanced Roxroth Electronic Leveling System with manual / automatic switching is introduced to keep vertical status of the mast under various operation circumstances, to realize all-time monitoring of the mast so as to ensure perpendicularity requirement of the hole.
Rotary Drilling Rig