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Blade mechanical property testing device based on uniform-section blade profile simulation piece

A test device and constant-section technology, which is used in the testing of mechanical components, the testing of machine/structural components, and measuring devices to achieve high test accuracy and test consistency, lower casting and subsequent processing costs, and simple structure.

Inactive Publication Date: 2021-02-23
AECC SHENYANG ENGINE RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of this application is to provide a blade mechanical performance test device based on constant-section airfoil simulations to solve at least one problem in the prior art

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  • Blade mechanical property testing device based on uniform-section blade profile simulation piece
  • Blade mechanical property testing device based on uniform-section blade profile simulation piece
  • Blade mechanical property testing device based on uniform-section blade profile simulation piece

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Embodiment Construction

[0046] In order to make the purpose, technical solution and advantages of the application more clear, the technical solution in the embodiment of the application will be described in more detail below in conjunction with the drawings in the embodiment of the application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the application. The embodiments described below by referring to the figures are exemplary, and are intended to explain the present application, and should not be construed as limiting the present application. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application. Embodiments of the present application will be described in detail below in conjunction with th...

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Abstract

The invention belongs to the field of aero-engine tests, and particularly relates to a blade mechanical property testing device based on a uniform-section blade profile simulation piece. According tothe blade mechanical property testing device based on the uniform-section blade profile simulation piece, the uniform-section blade profile simulation piece is embedded into a split blade crown clamping part, fastening fit is completed by a fastener, a cooling water connector is connected with the split blade crown clamping part, a temperature-resistant sealing asbestos plate is arranged on the upper surface of a blade crown of the uniform-section blade profile simulation piece, sealing is achieved through threaded connection and pressing of a gas collection box and the split blade crown clamping part, the split blade crown clamping part is connected with a testing machine through a connecting joint, and internal and external temperature gradient and temperature field simulation of the section of a blade profile is achieved through external heating of an induction heating coil and flow control of cooling air of the gas collection box. According to the blade mechanical property testingdevice, systematic and comprehensive test researches such as stretching, durability and fatigue can be carried out on the section of a real blade, and higher application guidance value is brought to forward design and research of the blade.

Description

technical field [0001] The application belongs to the field of aero-engine testing, and in particular relates to a blade mechanical performance testing device based on an equal-section blade-shaped simulation piece. Background technique [0002] Blades are one of the most critical parts of aero-engines, involving several types such as fan blades, compressor blades, and turbine blades. Due to the needs of structure and performance, blades often have complex spatial surface structures and complex load conditions. Compared with the complete machine test, the simulation test of the blade in the laboratory environment has the advantages of low test cost and strong researchability, so it has always been a research hotspot at home and abroad. However, testing with real blades will still bring a large cost of testing, and the consistency of the test results will be poor due to the differences in the test pieces and the influence of multi-factor variables (gas film hole structure, et...

Claims

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Application Information

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IPC IPC(8): G01M13/00G01M15/14
CPCG01M13/00G01M15/14
Inventor 董自超迟庆新刘芳吕扬王威康滨鹏
Owner AECC SHENYANG ENGINE RES INST
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