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Safety apparatus

A safety device and tension technology, applied in safety devices, gas turbine devices, jet propulsion devices, etc., can solve problems such as high cost

Active Publication Date: 2021-06-18
SIEMWNS ENERGY GLOBAL GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this leads to costly

Method used

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Examples

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Embodiment Construction

[0033] figure 1 An example of a rotor assembly 100 for a gas turbine engine is shown. Along the axis of rotation A of the rotor assembly 100 , a tension stud or tension bolt 102 is arranged in the axial center of the rotor assembly 100 . In one example, the turbine engine is a SGT-200, SGT-300 or SGT-400.

[0034] In operation, the rotor assembly 100 is arranged to rotate about an axis A of rotation. All rotor parts shown in the figures may be substantially rotationally symmetrical about the axis A of rotation. Stator parts are not shown in the figures, and elements that interlock the rotors may not be shown in the figures.

[0035] One or more shaft elements 104 , 110 , such as inlet shaft 104 and outlet shaft 110 , and compressor disk 106 are disposed about tension stud 102 and are configured to rotate about axis A of rotation. The shaft elements 104, 110 and the compressor disk 106 may be axially interlocked between axially adjacent rotating parts. For example, the inl...

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PUM

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Abstract

There is provided a safety apparatus (128) for containing a release of energy from a tension stud (102) of a rotor assembly (100), the safety apparatus (128) comprising an elongate member (132) defining a longitudinal axis and at least two arms (134) projecting away from the longitudinal axis (B) of the elongate member (132), wherein in use, in a first orientation, the elongate member (132) is configured to be connected to a tool apparatus (112) for applying a load energy to the tension stud (102) and the at least two arms (134) of the safety apparatus (128) are configured to overlap with at least part of the tool apparatus (112) in the direction of the longitudinal axis (B) of the elongate member (132) to contain the release of energy therebetween.

Description

technical field [0001] The present disclosure relates to a safety device for accommodating loads applied to shaft arrangements particularly, but not exclusively, for turbine engines and turbomachines in which a compressor, turbine or power turbine is mounted to an axial shaft. Background technique [0002] In gas turbine engines, the compressor and turbine typically have axially arranged rotor sets, each rotor set including an array of blades mounted to a rotor disk. The respective rotor set is located between the end shafts on a tension stud that extends through all or part of the rotor of the rotor set. In operation, the rotation of the rotor causes high separation forces to be generated in the rotor. To counteract these separation loads, compressive loads are applied to the shaft and rotor prior to use to counteract the separation loads that occur during operation. To create compressive loads in the shaft and rotor, the tension studs are stretched during assembly to cre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01D5/06F01D21/04F02C7/00
CPCF01D5/066F01D21/045F02C7/00F01D5/025F01D21/04F05D2220/323F05D2240/24F01D19/00F01D21/00F01D5/026F01D21/06F05D2240/60F05D2260/36F02C3/107
Inventor T·米尔恩
Owner SIEMWNS ENERGY GLOBAL GMBH & CO KG
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