AC Variable Frequency Motor Driven Drilling Rig
Model | ZJ70/4500DB |
Nominal drill depth(114mm drill Pipe) m | 4500-7000 |
Max hook load rating kN | 4500 |
Max number of lines for traveling block | 12 |
Dia. Of wire11ne mm(in) | 38 (1 1/2) |
Sheave O.D. of traveling block mm(in) | 1524 (60) |
l.D. of swivel stem mm(in) | 75 (3) |
Rated power of drawworks kw(hp) | 1470(2000) |
Transmission of drawworks | 1 无极调速 Stepless speed regulation |
Dia.of rotary table opening mm(in) | 952.5 (37 1/2) |
Rotary speeds | 1 无极调速 Stepless speed regulation |
Power of each mud pump kW(hp) | 1180(1600) |
Working height of mast m(ft | 45 (147) |
Height of drill floor m(ft) | 9(30) | 10.5(35) |
Clear height of drill floor m(ft) | 7.42(24.5) | 8.92(29.3) |