A photosensitive resin model loading device

A technology of photosensitive resin and loading device, which is applied in the direction of measuring device, using stable tension/pressure testing material strength, instruments, etc., which can solve the problems of inability to steplessly load safety, loading instability, load loss, etc.

Active Publication Date: 2017-08-29
AECC HUNAN AVIATION POWERPLANT RES INST
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problems of loading instability, load loss, non-polar loading and safety in the photoelastic test loading of photosensitive resin models, and to provide a photosensitive resin model loading device with simple structure, convenient use and multiple functions

Method used

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  • A photosensitive resin model loading device
  • A photosensitive resin model loading device

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Embodiment Construction

[0023] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed descriptions will be omitted.

[0024] see figure 1 and figure 2 , the embodiment of the present invention discloses a photosensitive resin model loading device, which is used to load the test piece of the photosensitive resin model in the photoelasticity test, fix the test piece of the photosensitive resin model and apply force.

[0025] The photosensitive resin model loading device of this embodiment includes a basic unit, a tension loading unit and a p...

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Abstract

A photosensitive resin model loading device is provided. The device includes a basic unit, a tensile loading unit, a pressure loading unit and a calibrating unit. The basic unit includes a pedestal, a frame and a supporting bar. The frame includes a top cross beam and two vertical arms. The two vertical arms are vertically fixed to the pedestal. The top cross beam is fixedly and horizontally connected to the two vertical arms. The supporting bar is horizontally disposed between the two vertical arms. The tensile loading unit is disposed between the supporting bar and the pedestal in a detachable manner, and includes a connector, a tensile loading base, a tensile screw and a tensile force sensor. The pressure loading unit is disposed between the supporting bar and the top cross beam in a detachable manner, and includes a pressure loading base, a pressurizing screw, a pressurizing force sensor and a limiting plate. The calibrating unit is disposed on the basic unit and is used for measuring levelness and perpendicularity changes of the basic unit.

Description

technical field [0001] The invention relates to a photoelasticity testing device, in particular to a photosensitive resin model loading device for plane photoelasticity testing. Background technique [0002] Photoelasticity test technology, as a test technology for global stress measurement, has played an important role in all stages of aero-engine development. Stress analysis using photoelasticity test mainly includes plane test and stress freezing test. The planar photoelasticity test mainly examines the mechanical and creep properties of the test piece under plane loading, and is generally carried out before the stress freezing test. The quality of photoelastic test results is closely related to the test loading. The determination and implementation of the loading scheme needs to take into account the differences in model materials. Taking the commonly used epoxy resin model as an example, this kind of material has high optical sensitivity, and as long as it has a smal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/02G01N3/08
Inventor 黄臻荣徐友良郭天才霍常青文华
Owner AECC HUNAN AVIATION POWERPLANT RES INST
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