rotary piling rig rotary shaft

  Product Description   Rotary drilling rig with power head drive, which includes the power head driven , the body center of power head drive is drill pipe hole, the inner wall has a wizard-driven groove, ends with a fixed screw the groove-oriented drive cross-cross-section was semicircular. The new structure is simple, the stress state is more uniform, can extend the life of the component, but also can reduce energy consumption.     Company Information       Exhibition