MD-750 Crawlers Coalbed Methane Drilling Rig

Drill Capacity 1. Φ89 mm Drill Rod Drill Depth: 3200 m 2. Φ114 mm Drill Rod Drill Depth: 2200 m 3. Φ127 mm Drill Rod Drill Depth: 1600 m Main Machine Power The main machine equipped with Weicai diesel engine. Engine Power: 275KW Rotating Speed: 2200r/min The main machine is adopted with two diesel engines in double power structure. Total Power: 550KW Max flow rate: 560L/min for close type hydraulic system. Max flow rate: 630L/min for open type hydraulic system. Drill Head In the adoption of low speed high torque hydraulic pump, in 2 speed adjustable steplessly. Rated Torque 34000N.m Rotating Speed 85r/min, speed adjustable steplessly Rated Torque 17000N.m Rotating Speed 170r/min, speed adjustable steplessly The rig adopts four sets Poclain Hydraulic motors made in Franch with a counter shackling torque 42000N.m. First gear reduction adopted to the drill head with top driving; The hollow spindle is in Φ75 mm diameter, adopting floating structure with spring damping structure. The swing angle of drill head is 0-45°, and horizontal moving stroke is 0.75m. Wired directional control system is mounted on spindle for direction-changing slope mine drilling. The Thrust and Pulling Force of Drill Rig Lifting capacity: The machine is in 75 tons Max. lifting capacity with highest lifting speed at 35m/min, the speed is stepless adjustable. Feeding Force: The machine is in 16 tons Max. feeding force with highest feeding speed at 110m/min, the speed is stepless adjustable. Two oil cylinders are adopted together for thrusting and pulling with the Max. feeding & pulling stroke 11.8m. Shackles Oil cylinder open-type butt clamping structure is adopted to achieve Max screwing off torque 100000 N.m and Max screwing on torque 50000 N.m. Anchoring block The biggest opening dia is Φ650 mm. Hydraulic Winch Main Winch: Max lifting capacity: 3 tons (Bare Drum) Steel wire dia: 10mm Rope capacity: 120m The max lifting capacity is 60m/min, it is stepless shiftable. Auxiliary Winch: Max lifting capacity: 1.5 tons. (Bare Drum) Steel wire dia: 8mm Rope capacity: 1500m Single wire lifting speed is 0-280m/min, it is stepless adjustable and used for lift and mount detecting devices. Others 1. Mud Pump It is hydraulic driven with stepless adjustable flow rate. Max flow rate at 0-600L/min and Max pressure is 10 MPa. 2.Flow rate of Foam Pump : 0-1L/min 3.Flow rate of Lubrication Pump: 0-15L/h 4. Chassis Adopted crawler-type chassis, travelling in two speed with the max speed at 3km/h. 5.On Board Diesel Tank: 700L 6.Hydraulic Oil Tank: 800L 7.Dimensions(L*W*H): 12500mm*3200mm*3400mm 8.Overall Weight: 38 tons