Specifications
|
Technical Parameters |
MWT-180 |
MWT-250 |
MWT-280 |
MWT-350 |
MWT-400 |
MWT-500 |
MWT-680 |
MWT-800 |
|
Drill depth(m) |
180 |
250 |
280 |
350 |
400 |
500 |
680 |
800 |
|
Drill diameter(mm) |
140-254 |
140-254 |
140-305 |
140-325 |
140-350 |
140-350 |
140-400 |
140-400 |
|
Equipped Engine |
Yuchai 65kW or PTO |
Yuchai 70kW or PTO |
Yuchai 75kW or PTO |
Yuchai 92kW or PTO |
DEUTZ 103kW or PTO |
Yuchai 118kW or PTO |
Cummins 154kW or PTO |
Cummins 194kW or PTO |
|
Feed Stroke(m) |
3.3 |
3.3 |
6.6 |
6.6 |
6.6 |
6.6 |
6.6 |
6.6 |
|
Drill pipe length(m) |
1.5/2.0/3.0 |
1.5/2.0/3.0 |
1.5/2.0/3.0/6.0 |
1.5/2.0/3.0/6.0 |
1.5/2.0/3.0/6.0 |
1.5/2.0/3.0/6.0 |
1.5/2.0/3.0/6.0 |
1.5/2.0/3.0/6.0 |
|
Swing speed(rpm) |
45-70 |
45-70 |
40-70 |
40-70 |
50-135 |
40-130 |
45-140 |
45-140 |
|
Swing torque(N.m) |
3200-4600 |
3300-4500 |
4500-6000 |
5700-7500 |
7000-9500 |
7500-10000 |
8850-13150 |
9000-14000 |
|
Rig lifting force(T) |
12 |
14 |
17 |
18 |
25 |
26 |
30 |
36 |
Product detail
- Brand Name: D miningwell
- Certification: CE, ISO
- Minimum Order Quantity: 1 Set
- Packing Details: 40FR/Bulk Carrier
- Delivery Time: 30-45 Days
- Payment Terms: L/C, T/T, Western Union
Capacity
Hole Diameter: 140 – 325 mm (51/2 inches – 13 inches)
Maximum Depth: 250 meters @ 203 mm (8 inches) diameter
Drilling Method: DTH and Rotary Drilling
Prime Mover
Option 1: Use PTO system and use transmission gearbox to get power from truck engine (290hp/336hp/371hp) to drive hydraulic system.
Option 2: Individual configuration of the rig with a 75kw diesel engine.
Platform Structure
Heavy duty I and C type welded steel structure covered with 5mm grating plates
Mast Assembly
Composite drill boom is lifted by twin cylinders, increasing lifting force and reducing transport dimensions.
Overall mast length: 8000 mm
Swivel head stroke: 6600 mm
Rod handling: 6 m
Centralizer opening: 14 in (355 mm)
Mast lifting cylinders: Mast is lifted by twin hydraulic cylinders
Feed system
1 x double acting hydraulic cylinder with 1:3 rope winding system
Pull up force: 17 tonnes
Pull down force: 10 – 110 tonnes
Pull up speed: 25 m/min
Pull down speed: 30 m/min
Swivel head assembly
Self-developed steel body with spur gear reduction and oil bath lubrication, driven by twin hydraulic motors.
Max torque: 6000 Nm
Speed: 66 – 135 rpm fine control
Hydraulic system
2 x metering pumps for feed and rotation
1 x metering pump for mud pump
3 x metering pumps for hydraulic cooler, auxiliary operation and micro feed.
Maximum system pressure: 2900 psi (200 bar)
Hydraulic oil cooler: 70 gpm
Hydraulic oil tank capacity: 600 liters
Control panel
The central control panel is located at the rear of the unit with easy access to the drill floor and is equipped with all necessary instruments, control systems and emergency switches. Locking device is provided to ensure the safety of the control panel.
Removal wrench
4 x hydraulic leveling jacks are provided for quick setting and leveling of the jacks, equipped with heavy-duty telescopic guides. Locking check valves are provided for safety and have sufficient load-bearing capacity.
Water/foam injection pump (optional)
Hydraulically operated water injection triplex pump with necessary accessories, pressure regulator, flow regulator, check valve and suction filter.
Max Flow: 80 lpm
Max Pressure: 40 kg/sq.cm
Single Rod Changer: Manually operated single rod changer for attaching drill rod to swivel head
Winch: Hydraulically operated auxiliary winch for loading drill rod into rod changer with 5 tonne lifting capacity.
Welding Machine
Hydraulically driven semi-brushless welding alternator is available for welding casing
Recommended electrode size: 2.5 mm to 5 mm only
Welding Current: 300 amps @ 60% duty cycle
Optional single phase: 6.0 kVA @ 220v, 50 Hz
Gas Line Lubricator
Positive acting venturi type inline lubricator is available for oiling downhole hammers.
Fuel tank capacity: 15 liters
Working pressure: 350 psi
Recommended air compressor
MININGWELL/ATLAS COPCO/LIUTECH
Air compressor capacity:
1100CFM – 25 BAR – 309kW engine
900CFM – 22 BAR – 228kw engine
Mud pump
Hydraulically operated BW 250 mud pump
Stroke: 4″ (100 mm)
Engine power: 15 Kw
Displacement (recommended maximum): 250L/min
Maximum working pressure: 2.5Mpa
Additional accessories: Night light, tool box, hammer stand
User manual: Operation, maintenance and spare parts manual
Truck options
SINO HOWO truck: 6*4/6*6/8*4
Dongfeng truck: 6*4/6*6/8*4
Shaanxi truck: 6*4/6*6/8*4
Application
Our truck mounted borehole drilling rig is a customized product that customers can customize according to their actual needs.
Shipping&Payment
Every piece of Miningwell truck mounted borehole drilling rig undergoes a rigorous load security check to ensure the safety of the cargo in the container.
Our payment methods: credit card, L/C, T/T, Western Union, and we support shipping by air and by sea.
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