Resin matrix composite circular tube sealing experimental device

A technology of composite materials and experimental devices, applied in the direction of applying stable tension/pressure to test the strength of materials, etc., to achieve good elongation, simple structure, and convenient installation

Inactive Publication Date: 2014-04-30
RES INST OF PHYSICAL & CHEM ENG OF NUCLEAR IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention is proposed to solve the problem that the resin-based composite material round pipe is subjected to a pressure-holding experiment in a non-hydraulic medium, and its purpose is to provide a resin-based composite material round pipe sealing experiment device

Method used

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  • Resin matrix composite circular tube sealing experimental device
  • Resin matrix composite circular tube sealing experimental device
  • Resin matrix composite circular tube sealing experimental device

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Experimental program
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Embodiment Construction

[0024] Hereinafter, with reference to the accompanying drawings and examples, the resin-based composite material circular tube sealing experimental device of the present invention is described in detail:

[0025] Such as Figure 1~4 As shown, the resin-based composite material circular pipe sealing experiment device includes a support cylinder 1, and nuts 2 are respectively threaded at both ends of the support cylinder 1, and a pressure ring 3 is arranged inside the nut 2. A cylindrical rubber lining 4 is arranged between the outer circle of the middle part of the cylinder body 1 and the two pressure rings 3, and a round tube 17 to be tested is placed on the outer circle of the rubber inner liner 4. 17 Two ends of the outer circle are respectively provided with hoops 5, and a washer 6 is arranged between the nut 2 and the hoop 5, and the nut 2, the hoop 5 and the washer 6 are connected together by bolts 7.

[0026] The inner diameter of the support cylinder 1 is a stepped hol...

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PUM

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Abstract

The invention specifically discloses a resin matrix composite circular tube sealing experimental device, comprising a support barrel, wherein two ends of the support barrel are connected with nuts, a compression ring is arranged in each nut, a rubber liner is arranged at the outer circle in the middle of the support barrel and between the two compression rings, the outer circle of the rubber liner is sleeved with a to-be-tested circular tube, two ends of the outer circle of the to-be-tested circular tube are provided with hoops, gaskets are arranged between the nuts and the hoops, bolts are used for connecting the nuts, the hoops and the gaskets; an annular groove is formed in the middle of the outer circle of the support barrel, the annular groove is communicated with an axial hole and a radial hole; a medium connector and a pressure sensor connector are respectively formed on the round thick wall at one end of the support barrel and communicated with the axial hole and the radial hole respectively. The device disclosed by the invention is simple in structure, convenient to mount, and capable of sealing in the premise that axial load is not exerted on a to-be-sealed object, and the purposes of strength assessment and reliability evaluation of the barrel with low axial strength are realized.

Description

technical field [0001] The invention belongs to equipment for testing the strength of solid materials, in particular to a sealing experiment device for circular tubes of resin-based composite materials. Background technique [0002] Composite materials have good mechanical properties, low density, corrosion resistance and other advantages, and are more and more widely used in various fields. Among them, the use of resin-based composite material round pipes is more common. In general, when carrying out strength assessment of this type of material, the composite material is made into a strip sample, and the material strength is assessed according to the method of mechanical performance test. However, this method in the prior art has obvious defects, that is, the method cannot well simulate the actual stress situation of the circular tube material, and cannot evaluate the overall performance of the material and the structure. Under normal circumstances, hydraulic loading can ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/12
Inventor 吴雷王海荣李平江超苏荔陈忠印梁长记
Owner RES INST OF PHYSICAL & CHEM ENG OF NUCLEAR IND
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