Large-batch testing device for mechanical property degradation detection of aircraft pipeline gasket

Abstract

The invention relates to the technical field of mechanical property testing, in particular to a large-batch testing device for mechanical property degradation detection of an aircraft pipeline gasket,which comprises a large-batch clamp module, a three-equal-branch pipe radial expansion pressure loading device, an eccentric excitation platform and a testing device support frame, the eccentric excitation platform is used for exciting and realizing adjustment of excitation frequency and amplitude; the tertiary branch pipe path radial expansion pressure loading device carries out pressure loadingon the liner; the large-batch clamp module is matched with the radial expansion pressure loading device of the three-equal-branch pipe path to clamp the gasket; the testing device supporting frame isused for installation and connection of all parts.

Description

technical field [0001] The invention relates to the technical field of mechanical performance testing, in particular to a large-batch testing device for detecting the degradation of mechanical performance of aviation pipeline liners. Background technique [0002] Liners are a type of component widely used in aero-engines. They are widely used for fixing and supporting the engine piping system. The liners mainly play the role of shock absorption. Due to the harsh working environment of the liner, it is easy to cause serious problems such as attenuation or even fracture of the liner's shock absorption performance. These problems range from damage to the engine pipeline to serious safety accidents. Therefore, the batch test and analysis of the performance of the gasket is a necessary means to improve the safety and reliability of the clamp, an important guarantee for the safety and stability of the engine pipeline system, and has great significance for the safe and reliable ope...

AI Technical Summary

Problems solved by technology

Patent CN 109865917A invented a clamping device for block liners for steel plate welding. The device directly clamps multiple liners into a row, and then fixes them on the steel plate to be welded by the principle of magnetic force adsorption. It is very convenient to assemble and disassemble. , but it does not take into account the difference in pad size and the transmission of dynamic vibration force, so this set of clamping devices is difficult to use in the clamping research of pad dynamic mechanical performance testing

Patent CN110701474A has designed a gasket testing tool, which can test the tooling performance of the gasket. It cleverly realizes the penetration of lubricating oil into the gasket through the oil inlet device, so that the moving mechanism will not cause difficulty in moving when moving, but It does not test the vibration isolation performance and extrusion deformation of the liner, but pays more attention to the performance degradation

In addition, none of the devices designed in the above-mentioned patents can realize a large number of clamping and high-efficiency, high-volume testing of pads with different curvature radii, and the related devices and testing technologies are in urgent need of improvement and improvement

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