Features of XY-130 hydraulic core drilling rig ·Hoist installation holder, forming structure of double support wheel, can withstand strong impact. ·Four groups of bearings are positioned in the vertical shaft box to ensure that the gyration is rigid enough to cope with the complex geological conditions such as the gravel layer and the pebble layer. ·This drilling rig adopts the conical clutch, which has the characteristics of large transmission torque, convenient operation and no maintenance required. ·Using 53*59 hexagon active drill rod, which has strong rigidity and large torque transmission 2.Specifications of XY-130 hydraulic core drilling rig XY-130 hydraulic core drilling rig Drilling depth 130m Maximum open hole caliber 220mm End hole caliber 75mm Drill rod caliber 50mm Drilling angle 90 Drill weight (Not include power) 600kg Spindle  Spindle speed 142 285 570r/min Spindle stroke 450mm Hoist  Max.single line hoisting capacity 1600kg Single line lifting speed 0.41/0.82/1.64m/s Drum diameter 140mm Wire rope diameter 13mm Tightrope caliber 27m Mud pump Type Horizontal single urn twin-action Electric motor 95/77 l/min Maximum pressure 1.2mpa Work pressure 0.7mpa Water inlet caliber 30mm Water to exit caliber 20mm Triangle conveyer belt B1575mm Matched driving power (diesel engine and motor) 18hp diesel engine and 11kw motor