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Method for applying balance tension load onto radome

A radome and tension-applying technology, which is applied in the direction of applying stable tension/pressure to test the strength of materials, measuring devices, instruments, etc., can solve problems such as load imbalance and stress concentration, and achieve the effect of ensuring coordination and high efficiency

Inactive Publication Date: 2018-03-02
THE RES INST FOR SPECIAL STRUCTURES OF AERONAUTICAL COMPOSITE AVIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is: to overcome the problems of unbalanced load and stress concentration in the prior art, provide a method for applying a balanced tensile load to the radome, truly simulate the local load loading of the radome, and improve the static test performance of the radome. accuracy and efficiency

Method used

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  • Method for applying balance tension load onto radome

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] See the loading diagram figure 1 , a method of applying a balanced pull load to the radome, using a loading actuator 2, a loading canvas belt, a loading lever 4 and an adapter earring, the loading actuator 2 and the loading lever 4 The middle part is hinged, and the two ends of the loading lever 4 are transfer earrings, and on each transfer earring, there is a loading canvas band, and the free end of each loading canvas band is connected with the radome.

[0014] The loading cylinder 2 is also connected and fixed to the steering device of the loading cylinder.

[0015] The transfer earrings include a first transfer earring 3 and a second transfer earring 5 .

[0016] The loading canvas includes a first loading canvas 7 and a second loading canvas 6 .

[0017] Glue the first and second loading canvas belts 7, 6 in the radome loading area.

[0018] Tensile loading experiment of the present invention comprises the following contents:

[0019] 1) Design the loading canv...

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Abstract

The invention belongs to the field of mechanics test of a radome, and particularly relates to a method for applying a balance tension load onto the radome. The load applying type in the existing static test phase mainly utilizes the traditional symmetric structure, the tension load is applied by canvas belts, the stress of the stressed canvas belts is severer, and the corresponding load is acted onto the surface of the radome in an excessive centralizing way. The method is characterized in that a loading action cylinder and loading canvas belts are arranged; a loading lever and adaption lug rings are arranged; the loading action cylinder is connected with the middle part of the loading lever; the adaption lug rings are arranged at both ends of the loading lever; each adaption lug ring is wound with the corresponding loading canvas belt; the free end of each loading canvas belt is connected with the radome. The method has the advantages that the balance and accurate loading of the tension loads onto the local part of the radome is realized, and the coordination property and high efficiency in the local static test loading of the radome are guaranteed.

Description

technical field [0001] The invention belongs to the mechanical test field of a radome, and in particular relates to a method for applying a balanced tensile load to a radome. Background technique [0002] Static test is a technical key to the design of radome. The technical agreements of various types of radome have put forward requirements for the static test of radome. [0003] At present, the load loading method of each static test is mainly to use the traditional symmetrical structure, apply the tensile load through the canvas belt, and apply the compressive load by using the symbol-shaped wooden blocks. When the test load is not in the normal direction of the radome, the load is generated on the canvas. The problem of uncoordinated loading on the two force transmission "ears" of the belt will cause the "ears" of the canvas belt far away from the loading actuator to be stressed earlier than the "ears" close to the actuator. When the load direction is consistent with the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/02G01N3/08
CPCG01N3/02G01N3/08
Inventor 曲秀晓
Owner THE RES INST FOR SPECIAL STRUCTURES OF AERONAUTICAL COMPOSITE AVIC