Gas-lift reverse circulation drilling rig

YGRC-500

RC drilling rig is a new, efficient, environmentally friendly, multifunctional crawler drilling rig.

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RC drilling rig is a new, efficient, environmentally friendly, multifunctional crawler drilling rig. It uses double-wall drill pipes and collect ore powder through the inner tube to the cyclone collector. The machine can be used for sampling and analysis in geological exploration departments.

This drilling rig can use compressed air reverse circulation down-the-hole drilling in various strata. The drilling rig's drill mast lifting, mast compensation, drill loading and unloading, rotation and feeding, outriggers, winch, walking and other actions are all realized by the hydraulic system.  It greatly reduces the labor intensity and improves the construction efficiency and project quality.

Main Features:

1. Air compressor is used for air supply and slag discharge. Various DTH hammers and bits can be matched according to the size of the working hole.

2. Low failure rate and large torque. The rotation speed can be adjusted according to different working conditions to effectively improve the impactor footage efficiency.

3. The hydraulic system is equipped with an independent hydraulic oil radiator to ensure that the drilling rig can work continuously under high temperature outdoor climate conditions.

4. The movable slide can be pressed against the ground working surface through the sliding of the compensation cylinder when the drilling rig is operating, which improves the rigidity of the drilling rig and ensures the working stability of the drilling rig.

5. The reliable and efficient air pre-filtration system can effectively filter out dust in the intake air, is easy to clean and maintain, effectively reduces engine wear, prolongs service life, and improves work efficiency, making it suitable for harsh working conditions.

Main parameters:

YGRC-500 Gas-lift reverse circulation drilling rig
Drilling depth (m)500Drilling diameter (mm)140-400
Overall weight(T)12Drill rod diameter (mm)76/89/102/114
Drill rod length (m)1.5/2/3/6Walking speed (km/h)2.5
Transport state (mm)6300*2100*2500Working state (mm)4000*2900*6800
Climbing ability (°)30
Power head parameters
Rotational torque (N.m)8000-12000RRotational speed (rpm)40-160
Feeding stroke (m)3.3/6.6Lifting force (kN)300
Thrust force (kN)150Fast lifting speed (m/min)20
Fast feeding speed (m/min)40
Engine parameters
Engine brandCumminsRated power/speed (kW/rpm)132/2400
Tool hoist
Lifting force (kN)20
Matching air compressor
Working air pressure (MPA)1.7-3.5Air consumption (m³/min)17-42
Matching impactor (reverse circulation)Medium-high wind pressure series

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