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A bending fatigue test device for non-standard parts

A bending fatigue and testing device technology, applied in measuring devices, using a stable bending force to test the strength of materials, instruments, etc., can solve the problem that the device cannot complete the test and so on

Active Publication Date: 2022-04-01
AECC SHENYANG ENGINE RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Different from the standard test piece, when the parts and simulation pieces generally have a special structure, asymmetric structure and eccentric structure, the existing device cannot complete the test

Method used

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  • A bending fatigue test device for non-standard parts
  • A bending fatigue test device for non-standard parts
  • A bending fatigue test device for non-standard parts

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Embodiment Construction

[0017] In order to make the objectives, technical solutions and advantages of the implementation of the application clearer, the technical solutions in the implementation modes of the application will be described in more detail below with reference to the drawings in the implementation modes 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 present 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 implementation manners in this application, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the scope of protection of this application. Embodiments of the pr...

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Abstract

The application belongs to the technical field of aero-engine testing, and relates to a bending fatigue test device for non-standard parts. The test device includes a bracket fixed to the lower fixture of the tester and an indenter fixed to the upper fixture of the tester. The bracket has supports at both ends A positioner is provided on the support column on each side to fix the two ends of the test piece. The positioner has two side walls and slides on the side end surfaces of the support column through pulleys. In this application, a locator is added between the test piece and the bracket, and the pulley on the locator ensures the stability of the loading, which solves the problem that the existing experimental device cannot complete parts and simulations with special structures, asymmetric structures, and eccentric structures. The problem of bending fatigue test of parts.

Description

technical field [0001] The application belongs to the technical field of aero-engine testing, and in particular relates to a bending fatigue testing device for non-standard components. Background technique [0002] Aeroengine components work under complex load conditions for a long time, and fatigue is one of the most important failure modes. In the design, test and failure analysis of aero-engines, it is often necessary to carry out fatigue tests with components and simulated parts as the research objects. The existing bending fatigue test device can only complete the test of standard test pieces with regular shapes. Different from the standard test piece, when the parts and simulation pieces generally have a special structure, asymmetric structure and eccentric structure, the existing device cannot complete the test. Contents of the invention [0003] In order to solve the above problems, the application provides a bending fatigue test device for non-standard parts, in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/20G01N3/02
CPCG01N3/20G01N3/02G01N2203/0023G01N2203/0003G01N2203/0073G01N2203/0202
Inventor 迟庆新刘芳
Owner AECC SHENYANG ENGINE RES INST