Pullable drawer for a turbine and turbine with such a drawer

Abstract

The invention is related to a pullable drawer (18) for removably protruding in a radial direction into an outer housing of a turbine, especially gas turbine, in order to make mechanical contact with an inner carrier being concentrically arranged within said outer housing, whereby said pullable drawer (18) has an essentially cylindrical body (32, 33), which extends along a longitudinal drawer axis (A1). A mechanical decoupling is provided, as said pullable drawer (18) is divided along said longitudinal drawer axis (A1) into at least separate first and second parts (32, 33), which first and second parts (32, 33) are coupled with each other by means of a releasable mechanical joint (24).

Description

technical field [0001] The present invention relates to turbines, especially gas turbines. It relates to a pullable trailer according to the preamble of claim 1 . It also relates to gas turbines with such pullable tractors. Background technique [0002] Gas turbines, especially of the stationary or industrial type, usually have an outer shroud which extends coaxially along the machine axis and surrounds a concentric inner carrier which carries the guide vanes of the turbine. The outer casing and the inner carrier are separate units, each comprising an upper and a lower part, both having the form of a semi-cylindrical, connected by means of a flange connection at a common separating plane. [0003] In order to position the inner carrier with respect to the outer casing, a mechanical connection is established between the two parts by means of a plurality of pullers which at certain positions extend through the outer casing to make mechanical contact with the inner carrier. ...

AI Technical Summary

Problems solved by technology

[0013] · Although there are designs of pullable tractors that can be accessed from the outside, these existing designs often show problems due to unwanted force effects on sensitive parts of the tractor

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