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Shear support stiffness simulation device

A technology of stiffness simulation and stiffness, which is applied in the field of shear support stiffness simulation devices, can solve problems such as low simulation accuracy and inconvenient on-site implementation, and achieve the effects of improving simulation accuracy, convenient implementation, and eliminating installation gaps

Active Publication Date: 2021-10-19
CHINA AIRPLANT STRENGTH RES INST
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  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to provide a shear support stiffness simulation device to realize the simulation of the shear support stiffness of the airfoil structure, so as to overcome the problems of low simulation accuracy and inconvenient on-site implementation of the existing methods.

Method used

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  • Shear support stiffness simulation device

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Experimental program
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Embodiment Construction

[0043] see figure 1 , the invention discloses a shear support stiffness simulation device, comprising a column support 1, a fixed hinge support 2, a shear beam 3, a movable hinge support 4, a shear bar assembly 5 and a loading seat 6, wherein:

[0044] The column support 1 is fixed on the load-bearing floor, the fixed hinge support 2 is installed on the upper part of the column support 1, and the column support 1 below the fixed hinge support 2 is provided with a movable hinge support whose position can be adjusted in the longitudinal direction 4. The upper end of the shear beam 3 is hingedly mounted on the fixed hinge support 2, and the movable hinge support 4 has a ferrule, the shear beam 3 passes through the ferrule, and the lower end of the shear beam 3 A shear rod assembly 5 is hinged through the loading seat 6 .

[0045] exist figure 1 In the given example, the column bracket 1 is a triangular bracket with a column perpendicular to the horizontal direction; the side of...

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Abstract

The invention discloses a shear support stiffness simulation device which comprises a stand column support, a fixed hinge support, a shear beam, a movable hinge support, a shear rod assembly and a loading seat, the stand column support is fixed to a bearing terrace, the fixed hinge support is installed on the upper portion of the stand column support, the movable hinge support of which the position can be longitudinally adjusted is arranged on the stand column support below the fixed hinge support; the upper end of the shear beam is installed on the fixed hinge support in a hinged mode, the movable hinge support is provided with a clamping sleeve, the shear beam penetrates through the clamping sleeve, and the shear rod assembly is hinged to the lower end of the shear beam through the loading seat. The device is high in universality and simulation precision, the shear rigidity is variable and can be continuously adjusted on site, the simulation precision of the shear rigidity is improved, and on-site implementation is convenient.

Description

technical field [0001] The invention relates to the field of static tests, in particular to a shear support stiffness simulation device and method for static tests of aircraft wing surface structural components. Background technique [0002] Wing, vertical tail and other airfoil structures often need to carry out strength tests on the supporting fixture. Due to the lack of real fuselage support, the stiffness of the supporting fixture has a great influence on the load transmission of the structure. How to accurately simulate the fuselage The support stiffness of the airfoil structure has become the key to the success of the test of the airfoil structure components. [0003] For the shear stiffness simulation of such component tests, the following methods are usually used: [0004] 1) trial and error method [0005] Design the support fixture according to the form of the fuselage frame, which requires that the shape structure of the support fixture must be similar to the fu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M5/00
CPCG01M5/0016Y02T90/00
Inventor 张辉张丽红柴亚南闫林轩园明
Owner CHINA AIRPLANT STRENGTH RES INST
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