KR220M Hydraulic CFA Piling Rig


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KR220M Hydraulic CFA Piling Rig

Product model: KR200M
Drilling depth: 25m
Machine weight: 66t
Product Description


●High-performance hydraulic system and control system in cooperation with Tianjin University CNC

Hydraulic Institute of Technology, which can realize the machine efficient construction and real-time


●High security, designed in strict accordance with European Union safety standards EN791. Meet the

requirements of dynamic and static stability.

■Imported CAT329D chassis, with skilled technology ,reliable and stable performance;

■Optimized structure of luffing mechanism and mast can extend structural components’ service

life greatly;

■Unique structure of folding mast can ensure the overall transportation and reduce the transport size;

■Advanced design of rotary angle displacement output mechanism and central rotary joint output

angular displacement can get higher reliability;

■Innovative drilling bucket depth measurement system can show higher accuracy than the average rig;

■The function of main winch bottoming protection and priority controlling can make the operation easier;

■The reversible use of the driving head’s chain can extend the service life;

■Multi-stage damping technology of the driving head can ensure the whole construction more stable;

■The technology of mast automatic verticality can make the vertical accuracy of the hole higher;

■The innovative design of luminous hot wheel can ensure construction in night safer;

■The humanized design of chassis back can increase storage space efficiently.

■New design of two-stage operating interface can make it more convenient to operate.


CFA construction method
Torque 220 kN.m
Max. diameter 800 mm
Max. drilling depth 20 m
Max. crowd pull 460 kN
Auxiliary winch line pull 240 kN
Auxiliary winch line speed 79 m/min
Mast inclination(lateral) ±3°
Mast inclination(forward)
Mast inclination(backward) 15°
Max. operating pressure 34.3 MPa
Pilot pressure 3.9 Mpa
Transport height 3000 mm
Transport width 3000 mm
Transport length 15620 mm
Overall weight 60 t
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