Top Drive

Specification (250t)

Nominal drilling depth (5 1/2" drill pipe) 4, 000m(13, 000ft)
Rated load capacities 2, 250KN(250t))
Drilling torque ( continuous, maximum) 32KN. M
Rotary speed 0 - 180rpm
Rated power of AC induction motor 315 KW x 1
Tilt angle of tilt arm ( maximum) Forth 30" Back 55"
Maximum torque of break out 50KN. M
Working pressure of hydraulic system 16MPa
Input voltage of driving cabinet 600VAC

Range of variable frequency Rated 0 - 121Hz
Shift gears range of motor 0 - 2, 400rpm
Drill pipe range 2 7/8" - 5 1/2"
Specification (350t)
Nominal drilling depth (5 1/2" drill pipe) 5, 000m (16, 000ft)
Rated load capacities 3, 150KN(350t)
Drilling torque ( continuous, maximum) 36KN. M
Rotary speed 0 - 180rpm
Rated power of AC induction motor 350 KW x 1
Tilt angle of tilt arm ( maximum) Forth 30" Back 55"
Maximum torque of break out 65KN. M
Working pressure of hydraulic system 16MPa

Input voltage of driving cabinet 600VAC
Range of variable frequency Rated 0 - 121Hz
Shift gears range of motor 0 - 2, 400rpm
Drill pipe range 2 7/8" - 5 1/2"
VFD input voltage 600VAC
Alarm temperature of motor 220 degree
Alarm temperature of gear oil 75 degree
Alarm temperature of hydraulic oil 75 degree
Transmission ratio 12.8: 1
Specification (500t)
Nominal drilling depth (5 1/2" drill pipe) 7, 000m(23, 000ft)
Rated load capacities 4, 500KN(500t)

Drilling torque ( continuous, maximum) 54KN. M
Rotary speed 0 - 220rpm
Rated power of AC induction motor 350KW x 2
Tilt angle of tilt arm ( maximum) Forth 30" back 55"
Maximum torque of break out 80KN. M
Working pressure of hydraulic system 16MPa
Input voltage of driving cabinet 600VAC
Range of variable frequency Rated 0 - 121Hz
Shift gears range of motor 0 - 2, 400rpm
Drill pipe range 2 7/8" - 5 1/2"
VFD input voltage 600VAC
Alarm temperature of motor 220 degree
Alarm temperature of gear oil 75 degree
Alarm temperature of hydraulic oil 75 degree
Transmission ratio 10.4: 1