Geological Drill Rig, Type GQ-20

Geological Drill Rig, Type GQ-20
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Introductions

Geological drill rig, type GQ-20 is a product developed by us, CGEG in conjunction with the continuous growth of the large-scale constructions of foundation pile hole on the basis of engineering drill rig. It has stable and reliable structure, applicable in large-scale foundation grouting pile hole construction projects such as houses, high-rise buildings, dams, port terminals and bridge as well as large diameter water well drilling projects.

Parameters
Basic parameters Drilling depth 60m
Drilling diameter Φ2000mm
Diameter of drilling pipe 182X182 square
Power head
1st gear 2nd gear 3rd gear 4th gear 5th gear
Rotational speed output(clockwise and counter clockwise) 9.5r/min 10.5r/min 28.4r/min 44.1r/min 65.9r/min
Rated maximum torque output 55000 N.m
Up down feeding stroke of the power head 1000mm
Main winch Lifting ability (Single rope 1st layer) 58KN
Maximum lifting speed of single rope 0.78m/min
Steel rope specification φ19.5mm
Capacity for the steel rope 30m
Power Diesel motor model Y250M-4
Power 55KW
Rotational speed 1480r/min
Features
  • Large torque, has relatively light weight and smaller size as compared to the drill rig of the same type. Thus, it is easier for shifting purpose.
  • It has gantry structure, up and down moving of the power head, has strong strength, rigid and high drilling precision.
  • Large drilling diameter (182 x 182 mm), construction can be conducted by forward and reverse circulation drilling technique.
  • We adopt DongFeng EQ145/6 automobile gearbox, equipped with 6-gear clockwise rotation and 1-gear counter clockwise rotation, applicable in drilling works in various foundation conditions.
  • The power head equipped with manual chuck, drilling with Kelly bar. It has large depth of completely drilling and high efficiency.
  • The power head adopts direct feeding by the oil tank and pressurized, resulting strong pulling ability and convenient for drilling works.
  • Moving distance of the sliding base is 1550mm, large range of opening hole, convenient for raising or lowering the drill.
  • Equipped with walking mechanism, convenient for the drill rig movement and align it with the hole.
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