STEAM TURBINE BEARING SUPPORT STRUCTURE AND STEAM TURBINE THEREOF

摘要

In a foundation in which both ends of a turbine rotor are arranged in the foundation and are freely rotatably supported by bearings, there are provided rectangular notches extending over a prescribed vertical depth from the top face of a wall surface on the casing side of a concrete section, having prescribed width and horizontal depth; bearing support members formed with an extension are laid in these notches; the bearings are installed on these extensions.

主权项

1. A steam turbine bearing support structure, arranged to support a casing that accommodates a turbine rotor having turbine blades, provided with stator blades that constitute a turbine stage together with the turbine blades, arranged to support both ends of said turbine rotor in a freely rotatable fashion by means of bearings arranged on foundations,
wherein said foundations are arranged on both sides of said casing; rectangular notches having prescribed width and depth in a horizontal direction are formed in each of said foundations over a prescribed vertical depth from a flat face of a top of opposite wall surfaces; bearing support members formed with an extension facing said casing are laid with respect to said notches formed on each of said foundations; and said bearings are arranged on said extensions of said bearing support member.