8000M AC VARIABLE FREQUENCY ELECTRIC DRIVE DRILLING RIG
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8000M AC VARIABLE FREQUENCY ELECTRIC DRIVE DRILLING RIG
The rig uses proven AC-DC-AC electric drivetechnology,intelligent driller controlledThrough the PLC.
AC variable frequency electrically driven.Stepless speed change of drawwork, rotarytable drive and mud pump can be achieved.Main rig module is arranged at higher positionin front and lower in back. The drawwork isinstalled in lower position, and the drill floor isflat, sub structre can lift and work smoothly withlarge operational space.
Drawwork uses two tranches of gearboxtransmissions, equipped with automatic drillingdevice, empolys hydraulic disk brake andpower consumption brake.Rotary table is in one gear or two speed gearindependent driving type.Drilling steel wire rope is compacted strandwire rope.
