A multi-point excitation type aircraft load model test device and its application method

A multi-point excitation and aircraft technology, applied in measurement devices, teaching models, educational appliances, etc., can solve problems such as inability to accurately and in-depth analysis of dynamic response and long-term settlement laws, lack of, and inability to set up test instruments, and achieve load transfer. Real form, reasonable force condition, direct effect of test method

CN104568568BInactive Publication Date: 2018-04-24WENZHOU UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2018-04-24
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a novel aircraft load model test device, in particular to the test research of the real-time dynamic response of the aircraft runway and the settlement law of long-term operation. The multi-point excitation loading method can be used to simulate and predict the impact of different conditions such as aircraft landing, smoothness, and take-off on the road. It can complete the static load simulation test of the airstrip, the dynamic simulation test of the take-off and landing load, and the smooth reciprocating fatigue test. Construction provides support. At the same time, the test device can also be used for mechanical performance tests of building structures.
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Description

technical field

[0001] The invention relates to a novel aircraft load model test device, which is a model test device used for studying the real-time dynamic response of an aircraft runway and the settlement law of long-term operation. Background technique

[0002] Before the present invention, in the experimental research on the dynamic response and settlement law of the aircraft runway, it was a common method to replace the aircraft load with the general traffic load to carry out the indoor soil unit dynamic model test, and to verify the existing runway design scheme . The indoor soil unit dynamic model test is mainly carried out on equipment such as a moving triaxial instrument and a hollow cylinder torsion instrument. The research objects of these tests are all soil samples. By analyzing the dynamic characteristics of soil sample units, the mechanical characteristics and deformation laws of the airstrip roadbed under the action of aircraft loads are indirectly studied. ...

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Embodiment Construction

[0016] Such as figure 1 , figure 2 As shown, the airstrip model groove formed by the concrete wall 1 and the concrete floor 2 constitutes the lower foundation structure of the experimental device, and the pavement layer 3, roadbed 4 and foundation soil 5 are laid in the airstrip model groove in proportion to the real airstrip , the wall 1 restricts the lateral displacement of the pavement layer 3, subgrade 4 and foundation soil 5, the concrete floor 2 provides bottom support, and the frame vertical beam 6, frame longitudinal beam 7 and frame beam 8 are connected to form the upper support system of the test device , the electro-hydraulic servo actuator 10 is installed under the frame longitudinal beam 7, the computer control system 11 controls and provides load parameters, and the electro-hydraulic servo oil source 12 provides power to control the electro-hydraulic servo actuator 10 to generate corresponding loads, through direct The connected real aircraft tires 9 are transf...