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Heating device for low cycle fatigue life test of aeroengine turbine disc

A low-cycle fatigue, aero-engine technology, used in electric furnace heating, furnace control devices, lighting and heating equipment, etc., can solve the problems of cumbersome installation, occupying space, easy damage, etc., to avoid experimental accidents, long service life, The effect of avoiding harm

Inactive Publication Date: 2019-05-24
AECC AVIATION POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The heater is composed of resistance wire and porcelain rod, such as figure 2 As shown, not only the installation is cumbersome but also easy to damage. Each bracket fixes four 1KW heaters, which are respectively installed on the top partition, bottom partition, and measuring surface partition, occupying a lot of internal space.

Method used

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  • Heating device for low cycle fatigue life test of aeroengine turbine disc
  • Heating device for low cycle fatigue life test of aeroengine turbine disc
  • Heating device for low cycle fatigue life test of aeroengine turbine disc

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Embodiment Construction

[0031] The present invention will be further described in detail below in conjunction with the accompanying drawings, which are explanations rather than limitations of the present invention.

[0032] image 3 and Figure 4 As shown, a heating device for the low-cycle fatigue life test of an aero-engine turbine disk includes a furnace body, a heating assembly and a temperature measuring assembly.

[0033] Wherein, the body of furnace comprises furnace roof 5, furnace cover 9 and furnace bottom 12;

[0034] The center of the furnace roof 5 is provided with a central axis hole, and the central axis hole is provided with a connecting shaft 4. The lower end of the connecting shaft 4 is located in the furnace body. The lower end of the connecting shaft 4 is used to connect the turbine disk test assembly 10. The upper end of the connecting shaft passes The furnace roof 5 is connected with the rotating shaft 3 of the tester, and a plurality of connecting brackets 2 are evenly distri...

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Abstract

The invention provides a heating device for a low cycle fatigue life test of an aeroengine turbine disc. Heating elements are separately arranged in interlayers of a furnace bottom, a furnace hood anda furnace roof, a turbine disk test assembly is heated by means of heat radiation, the heat radiation enables the turbine disk test assembly to be more evenly heated, and energy is more saved. Meanwhile, the heating elements are prevented from occupying a space of a furnace body, an internal working space of the furnace body is indirectly increased, the furnace body is enabled to be applicable toa hot test of any type of turbine disk test assembly, and the safety performance of the test is improved.

Description

technical field [0001] The invention relates to aero-engine test technology, in particular to a heating device for low-cycle fatigue life test of an aero-engine turbine disk. Background technique [0002] The turbine disk of the aero-engine is connected to the compressor through the main shaft and drives the compressor to rotate. The damage of the turbine disk will endanger the flight safety and cause extremely serious consequences. Therefore, the turbine disk is required to have high reliability. When the engine is working, the turbine disk bears loads such as large torque, axial force, gyro moment, centrifugal force and vibration. The turbine disk working in the high temperature area of ​​the engine, in addition to the centrifugal force and vibration load, the heat load is the main force on the turbine disk. One of the loads, these have a greater impact on the fatigue life of the engine turbine disk. The fatigue life of a turbine disk cannot be accurately predicted only b...

Claims

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Application Information

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IPC IPC(8): F27B17/02F27D1/10F27D1/18F27D11/00F27D19/00
Inventor 高汉晋杨鑫薛明张振宇闫庆安李宇张兴良魏大勇
Owner AECC AVIATION POWER CO LTD
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