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Rotary Drilling Rig ZR220C
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ZR220C.pdf
  • FEATURES
  • PARAMETERS
• Zoomlion’s specific-use in-house telescopic-crawler undercarriage is used to achieve superior stability and transport convenience.
• The over-loading proof device of the crowding system can protect the Kelly bar effectively and fully make use of capacity of the machine to ensure verticality of the borehole.
• Pilot and proportionally controlled hydraulic systems, load-sensing or negative-flow controlled main pump or auxiliary pump systems with high control accuracy help to achieve high efficiency and less energy loss;
• Zoomlion's patented high-accuracy depth measurement device whose accuracy is several times better than domestic or international competitions is used for automatic measurement;
• Drilling tools for different purposes with different specifications such as long or short augers, generic-use drilling buckets and core barrels, etc, are equipped to satisfy construction requirements in different geological conditions.
NAME SPEC.
Torque(KN.M) 220
Drilling Diameter(mm) 2000
Drilling Depth(m) inter-locking 56
Friction 70
Drilling Speed(r/min) 7-26
Engine Model Cummins QSL9
Rated Power(kw) 242
Rated Engine Speed(r/min) 2000
Max.Crowd Force(kN) 180
Max.Crowd Cylinder Pull(kN) 200
Line Pull(main winch)(kN) 220
Line Speed(main winch)(m/min) 70
Line Pull(aux.winch)(kN) 110
Line Speed(aux.winch)(m/min) 66
Operating Mass(t) 80
Traction Force(kN) 423
Diesel Tank(L) 68
Rope diameter(Main winch)(mm) 32
Rope diameter(auxiliary winch)(mm) 22