General Description
The RCDX-8A full hydraulic core drilling rig is engineered for deep-hole mineral exploration, capable of reaching depths up to 1,700 meters with PQ wireline drilling tools. Powered by a 370-horsepower engine, it provides stable torque and powerful output to ensure efficient drilling in complex geological formations.
During drilling, the rig's hydraulic pump pressurizes the oil and delivers it to key actuators such as the hydraulic motor and hydraulic cylinders. The hydraulic motor drives the drill rod to rotate at high speed, allowing the bit to cut through rock formations and form the borehole. Meanwhile, the hydraulic cylinders control the lifting and lowering of the drill rod, and adjust the drilling angle precisely according to site requirements.
The mud circulation system continuously injects drilling fluid into the borehole to cool the bit and carry rock cuttings to the surface, ensuring smooth and continuous drilling.
Equipped with a load-sensing hydraulic system, the RCDX-8A offers precise control of drilling pressure and rotation speed, adapting automatically to formation changes. Its modular, hydraulically driven structure simplifies transport and setup, while ergonomic design and noise reduction measures enhance operator comfort during long working hours.
Compared with conventional rigs, the RCDX-8A delivers higher penetration rates and shorter operation cycles, improving both drilling efficiency and core recovery quality. It is widely used in geological surveys, nonferrous metal and coal exploration, as well as chemical and nuclear industry projects, making it a reliable choice for high-precision core drilling applications.
Technical Parameters of Full Hydraulic Core Drilling Rig
|
Power Unit |
Power |
276 kW (370HP) at 2100 r/min |
|
Drilling Capacity |
NQ |
3000m |
|
HQ |
2400 m |
|
|
PQ |
1700 m |
|
|
Drill Head |
RPM of Spindle |
Three Shifts/ Stepless ChangeThree 0-1250 RPM |
|
Max. Torque of Spindle |
7300 N·m at 170 rpm |
|
|
1300 N·m at 1250 rpm |
||
|
Spindle Diameter |
121 mm(4.76 inches) |
|
|
Max. Lifting capacity of Spindle |
295 kn |
|
|
Max. Feeding Power |
152 kN |
|
|
The capacity of Main Hoist |
Hoisting force (single wire) |
120kN |
|
Steel Wire Diameter |
21.5 mm |
|
|
Steel Wire Length |
50 m |
|
|
The capacity of Wireline Hoist |
Hoisting Force (single wire) |
15 kN(bare drum) |
|
Steel Wire Diameter |
6.3 mm |
|
|
Steel Wire Length |
2800m |
|
|
Mast |
Effective Hoisting Height |
9.6 m |
|
Mast Adjusting Angle |
0°-90° |
|
|
Drilling Angle |
45º off horizontal to 90ºvertical down |
|
|
Feeding Stroke |
4700mm |
|
|
Slippage Stroke |
1100mm |
|
|
Foot Clamp |
Clamping Scope |
55.5-117.5 mm through-hole Ф154mm |
|
Mud Pump |
Type |
Reciprocating Pump Triplex Plunger |
|
Model |
BW320 |
|
|
Stroke |
110mm(4.3 inches) |
|
|
Output volume |
320,230,165,118 L/min (84.5, 61, 44, 31 US Gallons/min) |
|
|
Discharge pressure |
4.0, 5.0, 6.0, 8.0 Mpa (580, 725, 870, 1160 psi) |
|
|
Others |
Weight |
25000 Kg |
|
Transport Dimensions (L × W ×H ) |
8300×2400×3500mm |
Significant Advantages
1. Full Hydraulic Power Transmission
The drilling rig adopts a load-sensing full hydraulic system that delivers power to all major components through hydraulic control. The hydraulic motor drives the drill rod for high-speed rotation, while hydraulic cylinders manage the lifting, lowering, and adjustment of the drilling angle. This configuration ensures smooth torque output, responsive control, and stable drilling performance under varying formation conditions.
2. Reliable Drilling Performance
The RCDX-8A uses high-strength drill rods and precision-engineered core bits, capable of withstanding strong friction and impact during continuous drilling. Regular inspection of rod alignment, joint stability, and bit wear maintains drilling accuracy and efficiency. The rig structure minimizes vibration, enhancing core recovery quality and extending component lifespan.
3. Efficient Circulation and Cooling System
The integrated mud circulation system provides a continuous fluid supply during drilling. It cools the drill bit, removes rock cuttings, and stabilizes the borehole, ensuring uninterrupted drilling and consistent core quality even in deep-hole operations.
4. Hydraulic System Maintenance
The hydraulic system requires periodic inspection of oil level, oil quality, and pipelines. Maintaining clean hydraulic oil and checking for leaks or damage ensures system efficiency and prevents component wear. These maintenance steps are essential for sustaining long-term stability and minimizing downtime.
5. Structural Design and Serviceability
The rig's modular hydraulic layout allows convenient inspection, cleaning, and part replacement. Key components such as bearings, guide rails, and chains are positioned for easy access and regular lubrication. The design supports quick field maintenance, reducing operational interruptions.
6. Wide Application
With powerful hydraulic control, strong adaptability, and precise drilling capability, the RCDX-8A is suitable for geological surveys, mineral resource exploration, coal and nonferrous metal projects, chemical engineering, and nuclear industry applications.
Application
The RCDX-8A full hydraulic core drilling rig is widely used in the exploration and prospecting of geological resources, including metallurgy, coal, petroleum, natural gas, and groundwater. It is suitable for both surface and underground drilling projects, including mineral deposit surveys, exploration of non-ferrous and ferrous metals, coal seam investigations, and oil or gas field evaluations. In addition, the rig can be applied to groundwater well drilling, hydrogeological studies, and other subsurface investigations.
Packaging & Shipping
Delivery time: 10-15days
We use professional equipment to frame the boxes. We will arrange specially-assigned person to inspect every step. Ensure transportation safety.
certificate
Our products have passed CE certification and ISO9001 quality management system certification, ensuring that they meet international standards in terms of safety, reliability and quality.
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