MWT250 6X4 Truck Mounted Water Well Drilling Rig
Truck Technical ParametersMWT-250Drill depth(m)250Drill
diameter(mm)140-254Equipped EngineYuchai 70kW or PTOFeed
Stroke(m)3.3Drill pipe length(m)1.5/2.0/3.0Swing
speed(rpm)45-70Swing torque(N.m)3300-4500Rig lifting
force(T)14Application: Drill Water WellsCapacityHole Diameter : 140 - 325 mm (51/2″ - 13″)Maximum Depth: 250 m @ 203 mm (8″) diameterDrilling Method
:
DTH and Rotary DrillingPrime moverOption 1: Use the PTO system and use the transfer gearbox to take the power from the truck engine (290hp/336hp/371hp) to
drive the hydraulic system.Option 2: Use a 75kw diesel engine for the individual configuration of the drilling rig.Platform
StructureHeavy I and C section welded steel structure covered with 5mm
chequered plateMast
AssemblyThe compound drill boom is lifted by double oil cylinders, which increases the lifting force and reduces the transport size.Mast Overall Length : 8000 mmRotary Head Travel : 6600mmRod Handling :6mCentralizer Opening : 14″ (355mm)Mast Raising
Cylinder :Mast is raised and lowered by double hydraulic cylinderFeed System1 x Double acting hydraulic cylinder with 1:3 rope reeving systemPull Up Force : 17TonPull Down Force : 10 - 110TomPull Up Speed : 25 m/minPull Down Speed : 30 m/minRotary Head
AssemblySelf-developed fabricated steel body with spur gear reductionand oil bath lubrication, driven by dual hydraulic motors.Maximum Torque : 6000 NmRotation Speed : 66 - 135 rpm Fine controlledHydraulics2 x Fixed displacement pump for Feed and Rotation1 x Fixed displacement pump for Mud pump3 x Fixed displacement pump for Hydraulic cooler, Auxiliary operations and Micro feed.Maximum System Pressure : 2900 psi (200 bar)Hydraulic Oil Cooler : 70 gpmHydraulic Tank Capacity : 600 litresControl PanelCentralized control panel is at rear end of the equipment for convenient view of drill table provided with all necessary gauges, control system and emergency switch. Locking arrangement is provided for the safety of control panel.Breakout
Wrench4 x Hydraulic levelling jacks are provided for quick setting and
Levelling Jackslevelling with heavy duty telescopic guides. Locking check valves for safety with adequate capacity to withstand load.Water/ Foam
Injection Pump
(optional)Hydraulic operated water injection triplex pump with necessary fittings, pressure regulator, flow regular, check valve and suction
filter are provided.Maximum Flow : 80 IpmMaximum Pressure : 40 kg/sq.cmSingle Rod
ChangerManually operated single rod changer to couple drill pipe to
Rotary headWinchHydraulic operated auxiliary winch to load drill pipe into rod changer with a lifting capacity of 5 ton.Welding
MachineHydraulic driven semi brushless welding alternator is provided for welding casing pipesRecommended Weld rod size : 2.5 mm to 5 mm onlyWeld current : 300 amps @ 60% duty cycleOptional single phase : 6.0 kVA @ 220v, 50 HzAirline LubricatorA positive acting venturi type inline lubricator is provided for injecting oil to the down hole hammer.Tank capacity : 15 litresWorking pressure : 350 psiRecommended
Air CompressorMININGWELL/ATLAS COPCO/LIUTECHAir Compressor
Capacity:1100CFM - 25 BAR - 309kW engine900CFM - 22 BAR - 228kw engineMud
PumpHydraulic operated BW 250 Mud PumpStroke : 4″ (100 mm)Engine
power: 15
KwDisplacement (Max recommended) : 250L/minMaximum working Pressure : 2.5MpaAdditional
FitmentsNight Lights, Tools box, Hammer standUser ManualManual for Operation, Maintenance and Spare PartsTruck OptionSINO HOWO Truck: 6*4/6*6/8*4Dongfeng Truck: 6*4/6*6/8*4Shacman truck: 6*4/6*6/8*4
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