Gearbox for oil rig drawworks
The rig drawworks gearbox is the main gearbox matched with the rig drawworks. It is a high-precision heavy-load hard-toothed gearbox. The gearbox adopts a parallel cylindrical gear transmission form. It has the characteristics of compact structure, light weight, smooth transmission, low noise and high efficiency. Among them, the automatic shift gearbox adopts solenoid valve for pneumatic speed change, automatic control, energy saving and consumption reduction.