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Method and apparatus for roll-in and alignment of casing shell of gas turbine

A technology for gas turbines and turbine components, applied to parts of pumping devices for elastic fluids, liquid fuel engines, mechanical equipment, etc., can solve troublesome and time-consuming problems

Active Publication Date: 2014-01-01
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This can be cumbersome and time-consuming

Method used

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  • Method and apparatus for roll-in and alignment of casing shell of gas turbine
  • Method and apparatus for roll-in and alignment of casing shell of gas turbine
  • Method and apparatus for roll-in and alignment of casing shell of gas turbine

Examples

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Embodiment Construction

[0014] figure 1 An exemplary apparatus 100 that may be used for mounting and alignment of casings, such as internal turbine shrouds, is shown in one aspect of the invention. Apparatus 100, generally referred to herein as a rolling jack, includes a housing 102 and a member 104 configured to slide within the housing. In the exemplary embodiment, housing 102 is a hollow cylinder and member 104 is a cylinder having an outer diameter that is smaller than the inner diameter of the housing and thus configured to slide along the longitudinal axis of housing 102 . The housing 102 is secured to the slider 110 at a first end 114 of the housing. Slider 110 is configured to move laterally within base 108 . The base 108 may be fixed to enable the device to provide support for the housing during installation and alignment procedures. The base 108 is generally fixed on a flat surface such as the ground and thus the lateral movement of the slider 110 within the base 108 is in a plane parall...

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PUM

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Abstract

A method and apparatus for rolling and aligning a casing 201 of a gas turbine is disclosed. At least one jack 210, 212 having a roller at one end is positioned at a location to couple the roller to the casing 201. The casing 201 is rolled within the turbine by rolling over the roller of the at least one jack. The roller is moved relative to the at least one jack 210, 212 to align the casing within the turbine.

Description

technical field [0001] The present invention relates to a jacking tool that can be used to perform roll-in and alignment of an inner turbine shroud for a gas turbine. Background technique [0002] Several gas turbine sections include outer and inner turbine shrouds that are separable into upper and lower halves, which halves can be opened for maintenance or repair. It is often desirable to separate the inner turbine shroud from the outer turbine shroud in a detached position for maintenance work and then reinstall the inner turbine shroud within the outer turbine shroud, a procedure that requires realigning the inner turbine shroud with the axis of the turbine rotor. Current methods for installing and aligning the inner turbine shroud use one set of tools for removal / installation and another set of tools for alignment to the rotor. This can be cumbersome and time-consuming. The present invention therefore provides a device that can be used for installation / disassembly and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01D25/24
CPCF01D25/285F01D9/04F01D25/26F04D29/644F05D2230/60F05D2230/644F05D2230/70F05D2260/53F05D2260/57Y10T29/49231Y10T29/53687
Inventor K.D.布莱克B.D.克林格勒M.S.卡萨文特
Owner GENERAL ELECTRIC CO
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