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Model loading device

A loading device and model technology, applied in the field of mechanical analysis experiments, can solve the problems of large constant temperature box space, use range constraints, unfavorable test efficiency, etc., and achieve the effects of improving work efficiency, accurate and reliable testing, and reducing costs

Active Publication Date: 2012-04-04
CHINA AVIATION POWER MACHINE INST
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

The most commonly used general-purpose loading device is the weight-lever type, which can perform simple tension, compression, and bending tests on the model to measure the main properties of the model material, but it is difficult for the general-purpose loading device to complete multiple loading of complex models Task
The special loading device is specially designed according to the specific shape, size and loading conditions of the model, so it has high specificity and the scope of use is greatly restricted
The three-dimensional photoelastic stress freezing test requires a separate design and processing model loading device, which not only occupies scientific research funds, but also is not conducive to improving the test efficiency, and the structure of the stress freezing loading device is complex, requiring multiple devices to realize the corresponding test. Occupies a large space in the incubator and the test efficiency is low

Method used

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Embodiment Construction

[0022] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.

[0023] Such as figure 1 As shown, according to the first embodiment of the present invention, the model loading device includes a mounting frame 10 , a load applying device 20 and a component positioning device 30 . Wherein, the load applying device 20 and the component positioning device 30 are arranged on the mounting frame 10 . The installation frame 10 includes a transverse support beam 11 and a longitudinal support beam 12 fixedly connected thereto. A plurality of installation holes can be set on the lateral support beam 11 and the longitudinal support beam 12, so that the installation positions of the load applying device 20 and the component positioning device 30 are adjusted so as to adapt to the shape of the test component 24, so as to mee...

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Abstract

The invention provides a load loading device which comprises an installing frame (10), a load applying device (20) and an element positioning device (30), wherein the load applying device (2) comprises a positioning rod installing plate (21), a positioning rod (22), a torsion disk (23), a test element (24) rotatably connected to the second end of the positioning rod (22), a first load generating mechanism (25) connected to the torsion disk (23) and used for applying a pull force to the torsion disk (23), and a second load generating mechanism (26) connected to the torsion disk (23) and used for applying a pull force to the torsion disk (23), wherein the pull force applied to the torsion disk by the second load generating mechanism and the pull force applied to the torsion disk by the first load generating mechanism (25) form a couple or an equidirectional action force. According to the model loading device provided by the invention, the advantages of small occupation space, simple structure, convenience for use, lower cost and capability of realizing loading of multiple kinds of loads through the same device are obtained.

Description

technical field [0001] The invention relates to the field of mechanical analysis experiments, in particular to a model loading device. Background technique [0002] In the photoelastic stress freezing test, the traditional model loading devices are divided into general-purpose and special-purpose. The most commonly used general-purpose loading device is the weight-lever type, which can perform simple tension, compression, and bending tests on the model to measure the main properties of the model material, but it is difficult for the general-purpose loading device to complete multiple loading of complex models Task. The special loading device is specially designed according to the specific shape, size and loading conditions of the model, so it has high specificity and the scope of use is greatly restricted. The three-dimensional photoelastic stress freezing test requires a separate design and processing model loading device, which not only occupies scientific research funds...

Claims

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Application Information

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IPC IPC(8): G01N3/02G01N3/22
Inventor 文华郭天才徐华刘飞春
Owner CHINA AVIATION POWER MACHINE INST
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