XDX-8 Full Hydraulic Core Drill Rig

XDX-8 Full Hydraulic Core Drill Rig is mainly used in core drill with diamond bit or hard tungsten-carbide tipped bit in the field of industries such as geology, metallurgy, coal, nuclear industry, hydrology, etc.

Drilling Depth	NQ Rod(φ69.9mm)
Drilling Depth	HQ Rod(φ88.9mm)
Drilling Depth	PQ Rod(φ114.3mm)

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Features Main Technical Parameters Structure The main components are described as follows

Main Features of XDX-8 Full Hydraulic Core Rig

Main hydraulic components are selected from internationally renowned brands.

Drill head adopts a chuck type structure, with lateral translation function and three gear stepless speed adjustment.

Drill head feeding adopts double-speed driving device for the chain of the oil tank.

Mast adopts oil cylinder lifting and lowering, foldable, convenient for transportation and storage, with sliding grounding function.

Hydraulic system adopts load sensitive control, and the rotation of drill head spindle is driven by dual-motor with closed loop hydraulic circuits, with high operation efficiency and high torque.

Mast is equipped with centering guide in its upper and lower part for inclined hole construction conveniently. A hydraulic clamp is adopted at the position above the drilling hole.

Equipped with two layer working platforms.

Main Technical Parameters

Model				Unit	XDX-8
Item
Drilling Depth		NQ Rod(φ69.9mm)		m	3000
		HQ Rod(φ88.9mm)			2400
		PQ Rod(φ114.3mm)			1700
Drill Head Capacity		Speed Range	Grade I	r/min	254-508
			Grade II		448-897
			Grade Ⅲ		526-1100
		Corresponding Torque	Grade I	N.m	8000-3611
			Grade II		4091-2046
			Grade Ⅲ		3486-1743
		Max.Rotary Speed		r/min	1100
		Max.Torque		N ·m	8000
		Hole Diameter of Spindle		mm	121
		Max.Lifting Capacity		kN	295
		Max.Feeding Power		kN	152
		Translational Distance		mm	695
Diesel Engine		Rated Power		kW	264(Cummins QSL8.9-C360)
		Rated Speed		r/min	2100
Hydraulic Pump	Pump 1	Rated Pressure		MPa	25
		Max.Flow		L/min	260
	Pump 2	Rated Pressure		MPa	32
		Max.Flow		L/min	150
	Pump 3	Rated Pressure		MPa	32
		Max.Flow		L/min	150
	Pump 4	Rated Pressure		MPa	25
		Max.Flow		L/min	120
	Side Pump 1	Rated Pressure		MPa	20
		Max.Flow		L/min	25
	Side Pump 2	Rated Pressure		MPa	5
		Max Flow		L/min	8
Mast		Total Height		m	14.7
		Adjusting Angle		°	0～90
		Drilling Angle		°	45～90
		Feeding Stroke		mm	4700
		Sliding Distance of Mast		mm	1100
Main Hoist		Single-wire Hoisting Capacity		kN	120
		Lifting Speed		m/min	44
		Dia.Of Steel Rope		mm	22
		Length of Steel Rope		m	60
Auxiliary Winch		Single-wire Hoisting Capacity		kN	15
		Lifting Speed		m/min	130
		Dia.Of Steel Rope		mm	8.0
		Length of Steel Rope		m	2500
Mud Pump		Model		/	BW320
		Max.Displacement		L/min	320
		Max.Pressure		MPa	10
Overall Dimensions(L×W×H)		Working Dimensions		mm	6020×2475×14745
		Transport Dimensions		mm	8165×2530×3030
Orifice Clamp		Applicable Rods		mm	BQ,NQ,HQ,PQ
		Via Diameter		mm	Φ154
Traveling Speed				km/h	1.5-2.5
Climbing Capacity				°	≤30
Earth Contact Pressure Ratio				MPa	0.14
Weight of Main Machine				t	25

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Structure

The components of the XDX-8 fully hydraulic core drilling rig: 1. Crawler chassis, 2. Power Unit, 3. Hydraulic system, 4. Power head assembly, 5. Mast, 6. Main winch, 7. Auxiliary winch, 8. Control panel, 9.Foot Clamp, 10. Mud pump (10 parts)

The main components are described as follows

Crawler chassis

The high-strength structural steel track chassis ensures smooth movement and can adapt to harsh road conditions

It adopts a drive motor made in South Korea, which has a long service life and a larger climbing Angle.

The four wheels and one belt are selected from the heavy-duty series, which ensures a longer service life.

Power Unit

Cummins non-road diesel engines are powerful and meet the National II and National III emission standards

The water tank is made of copper, which has strong corrosion resistance.

The oil disperser is made of finned aluminum alloy, which has high pressure resistance and is rust-proof.

Hydraulic system

The rotary main pump adopts the Danfoss 90 series closed pump from the United States, with a maximum pump pressure of up to 32 Mpa.

Advantages of closed systems: high pressure, high efficiency, good shock resistance, and no loss of rotational speed during high-pressure operation.

Drill Head

The power head has a high rotational speed, smooth gear shifting and no gear skipping.

The Danfoss hydraulic motor from the United States drives the power rotation, featuring excellent impact resistance and a long service life.

Mast

It adopts Q355 high-strength structural steel, which is light in weight and has a high yield strength.

The direct-push type of the oil cylinder has a simple structure and is convenient for maintenance.

It adopts a 6-wheel goose head and can use movable pulleys, providing stronger lifting force and accident handling capacity.

Main Hoist

It adopts a drive motor imported from South Korea.

The lifting force of the main hoist is120 kN.

The drum is integrally cast, which offers better strength.

The main hoist has a follow-up function, making construction more convenient and efficient.

Auxiliary Winch

The lifting force of the auxiliary hoist is 15 KN

The diameter of the steel wire rope is 6mm

Rope speed: 130m/min

It is equipped with a braking function, providing excellent braking effect, large rope capacity and good structural strength.

Control panel

The control system adopts a combination of closed and open types. The system design is simple, with a low failure rate and convenient maintenance.

The main hydraulic components adopt Dandoss from the United States.

The Italian Hyde liquid proportion handle has high control accuracy.

Foot Clamp

The gripper has a simple structure, a large clamping range, reliable clamping and a strong clamping force.

The centralizer is easy to disassemble.

Mud Pump

Adopt well-known brand mud pumps.

The mud pump control adopts proportional control, and the mud flow can be adjusted according to the working conditions.

Equipped with a mixer interface.

Drilling Depth	BQ Rod(φ55.6mm)
Drilling Depth	NQ Rod(φ69.9mm)
Drilling Depth	HQ Rod(φ88.9mm)