Shock test device

Abstract

The invention provides a shock test device, and belongs to the technical field of shock test machines. The shock test device comprises a fixed-axis rotation system, a shock component, a weight balancecomponent and a trigger component; the fixed-axis rotation system comprises a cross beam lever and a rotary shaft support which can make the cross beam lever rotate; the shock component is fixedly connected to one end of the cross beam lever and used for shocking a test piece; the weight balance component is fixedly connected to the other end of the cross beam lever and used for providing the shock force; and the trigger component is used for making the cross beam lever to be horizontal and triggering the shock component to conduct shock damage testing. The shock test device, on the one hand,can change the force applying direction through the cross beam lever so as to conduct shock damage testing on the damaged positions located at the bottom of the test piece or the parts where a drop-hammer shock testing table cannot be applied, and on the other hand, has the advantages of being easy to mount and convenient to carry.

Description

Technical field [0001] The present invention relates to a device in the technical field of impact testing machines, in particular to an impact testing device. Background technique [0002] In the aviation industry, during the test process of the composite material structure on the aircraft, impact damage tests will be introduced in different test stages. When the damage location is at the bottom of the tested carrier or a part that cannot be implemented by the drop hammer impact test bench, it will As a result, the test carrier will be dismantled or moved, and the test will stop halfway and the data will be invalid. Therefore, it must be ensured that the tested carrier is not dismantled or moved during the damage process. [0003] At present, there is no mature device in the industry for introducing impact damage at the bottom of the test carrier during the test. According to the requirements of Part 9 of "GJB 67.9-2008 Military Aircraft Structural Strength Specification": During t...

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Problems solved by technology

[0002] In the aviation industry, during the test process of the composite material structure on the aircraft, the impact damage test will be introduced at different test stages. It causes the test carrier to be removed or moved, causing the test to stop halfway and the data to be invalid. Therefore, it must be ensured that the tested carrier is not removed or moved during the process of introducing damage.

[0003] At present, there is no mature device in the industry for introducing impact damage online at the bottom of the test carrier during the test process. According to the requirements of Part 9 of the "GJB 67.9-2008 Military Aircraft Structural Strength Specification" in the industry: during the test process It is necessary to introduce impact damage online. The more mature drop hammer impact equipment has high requirements on the location of the induced damage, so it cannot meet the needs of the industry.

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