TURBINE SECTION Russian patent published in 2003 - IPC

FIELD: design of turbo-drills, mining industry. SUBSTANCE: turbine section has shaft built up of two parts. Lower part carries springy member and supports absorbing radial and axial loads made in the form of sector plain bearings with cylindrically shaped housing with bearing surfaces. Built-up housing comes in the form of two outer bearing races having spaces and is fitted with inner single-piece race having necks and supporting shoulder, it is also equipped with inserts-sectors produced from antifriction material and placed in spaces. Springy member as composite part of support taking in radial and axial loads has body of cylindrical shape possessing inner and outer stirrups where discs and thrust bearings are placed. EFFECT: enhanced operational reliability and prolonged service life of turbine section. 3 dwg