Three diesel engine coupler sets are subjected to parallel operation by a parallel operation transmission case and then respectively drive a winch and mud pumps, and a backup interface (an automatic pressure fan and an energy-saving generator) is reserved. The main brake of the winch is a hydraulic disc brake, and the auxiliary brake is an electromagnetic brake. A turntable is independently driven by an AC variable frequency speed regulation motor and driven to carry out drilling operation through a two-gear transmission and a universal shaft.
1. A base adopts a module structure, and modules are connected through a pin shaft and can be quickly detached and transported.
2. A front opening K derrick has a five-section tower integral structure and can be installed and integrally transported together with a crown block. Supporting feet are positioned on a lower pedestal of the base, have good stability and are integrally picked up and put down through the power of the winch.
3. The drilling rig is equipped with a variable frequency (VFD) and MCC system, variable frequency (VFD) is used for controlling a turntable AC variable frequency motor and an automatic bit feed motor, and MCC is used for controlling other electric equipment of the drilling rig.
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Technical parameters |
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Nominal drilling depth(114mm Drill rod) |
2500～4000m |
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Nominal diameter of turntable opening |
φ700mm (27.5” ) |
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(127mmDrill rod) |
2000～3200m |
Number and power of diesel engines |
3×810kW |
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Maximum hook load |
2250kN (225tf) |
Gear number of winch |
four positive and two reverse stepless speed change |
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Structure of traveling system |
5×6 |
Height of base |
7.5m |
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Diameter of drilling steel wire rope |
φ32mm |
Derrick type and height |
K 43m |
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