Machine de forage Geomash Water Well Rotary drilling Machine URB-25 ton neuve

URB-25 TON Rotary Drilling Rig
Self-Propelled Drilling Rig with Rotary Spinner. Mounted onto off-road wheeled chassis, and trucks
Technical specifications :

Max. hook load : 25 000kN(tf)

Drilling depth:1200 Meters

Drilling pipes diameter: 73 / 89 /114 mm

Recommended drilling diameter: 535 or less / 244,5mm (initial / final) for 800m

Winch drive: Drive from the main engine through PTO or Deck engine, cardan drive shaft, gearbox, transfer box

Gearbox:3-speed with elector-pneumatic operator

Gearbox speed ratio: -2,43 / -1,2 / -0,6

Drilling winch (draw work):2-reels, with central conical transfer box and planetary transfer box inside the drums. Strips up/down brake on the every two drums

Towing winch capacity on the 2-nd winding coil of the rope on the reel, 6 500 kN (tf)

Rope reel winding speed with 1400 r/min main engine rotation depending of the gearbox speed ratio turn on:1,4 -5,7 m/s

Hoist-swivel - feed pipe - (4-string polys past with 2x3 ratio) lifting speed depending of the gearbox speed ratio turn on:
0,15 — 1,5 m/s

Rotor: RG-425 hydro driving with hydraulic off take from the well head

Max. torque:1600 kNm (kg*F/m)

Rotation frequency of the rotation table: 18 - 220 (rpm)

Number of the driving speed, provided by the hydraulic scheme:9

Auxiliary winch with the tilt faucet: Hydraulic

Auxiliary winch towing capacity: 21,56 (2,2) kN(tf)

Feeding pipe: Round cross-section with guidelines

Kelly pipe diameter: 114x114 mm

Kelly pipe length: 11 m

Mast: Originally constructed with the open front flat, telescopic, vertical

Distance from the rotary table to the crown block axis :18m, no more

Distance from the soil to the crown block axis; 18 m, no more, m

Generator :15 KW

Drilling Pump : 3 hydraulic piston

Swivel

Allowed load: 25 000 KN(tf)

Drilling pipe length: 6/12 m

Length of the setting pipe:12m

Crown block: separated