Multifunctional deep water flexible hyperbaric chamber

A multifunctional, hyperbaric chamber technology for strength properties, testing material strength using applied stable tension/compression, testing material strength using applied stable bending force, etc.

Active Publication Date: 2019-03-22
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, experimental equipment that comprehensively considers the above-mentioned combined loads, including the effects of coupling factors such as tension, compression, bending, torsion, and high pressure, has not yet been seen.

Method used

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  • Multifunctional deep water flexible hyperbaric chamber
  • Multifunctional deep water flexible hyperbaric chamber

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Experimental program
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Embodiment Construction

[0012] The present invention will be described in detail below in combination with specific embodiments.

[0013] The present invention is a multifunctional deep water flexible hyperbaric cabin such as figure 1 and figure 2 As shown, it includes a flexible main cylinder 1, end caps 2 are provided at both ends of the flexible main cylinder 1, a first bending reinforcement 3 is provided between the flexible main cylinder 1 and the end cover 2, and the inside of the flexible main cylinder 1 Place the main body 4 of the test piece, and the two ends of the main body 4 of the test piece are respectively connected to the connecting rods 6 through the second bending reinforcement 5, the connecting rods 6 are installed on the end cover 2, and one of the connecting rods 6 is connected through the bearing connector 7 An axial loading mechanism 8 is provided with an internal pressure port 9, another connecting rod 6 is connected to the power drive device 10 through a bearing connector 7...

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Abstract

The invention discloses a multifunctional deep water flexible hyperbaric chamber. End covers are arranged at two ends of a flexible main cylinder barrel; first anti-bending stiffeners are arranged between the flexible main cylinder barrel and the end covers; a test piece main body is arranged inside the flexible main cylinder barrel; two ends of the test piece main body are respectively connectedwith connecting rod pieces by virtue of second anti-bending stiffeners; the connecting rod pieces are arranged on the end covers; one connecting rod piece is connected with an axial loading mechanismby virtue of a bearing connector and is provided with an internal pressure joint; the other connecting rod piece is connected with a power drive device by virtue of a bearing connector; an external pressure joint, an exhaust joint and a sensor are arranged on the end covers. The multifunctional deep water flexible hyperbaric chamber disclosed by the invention has the beneficial effects that the structure is simple, pipeline crushing and fatigue tests can be effectively performed under the action of a combined load, and the experimental effect is excellent.

Description

technical field [0001] The invention belongs to the technical field of deep-water marine oil and gas development, and relates to a multi-functional deep-water flexible hyperbaric chamber and a pipeline crushing and fatigue test method under combined loads. Background technique [0002] The ocean contains more than 70% of the world's oil and gas resources. With the gradual withering of shallow sea oil and gas resources, offshore oil and gas exploration and development have moved from shallow seas to deep seas, and even ultra-deep seas. Deepwater oil and gas development has become the main growth point of the world's offshore oil and gas industry and the frontier of technological innovation. In recent years, with the implementation of the strategy of building a powerful marine country, my country has gradually increased its scientific and technological investment in deep-sea oil and gas development, especially for the exploration and development of deep-water oil and gas resou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/36G01N3/20G01N3/10G01N3/12G01N3/22
CPCG01N3/10G01N3/12G01N3/20G01N3/22G01N3/36G01N2203/0003G01N2203/0005G01N2203/0017G01N2203/0019G01N2203/0021G01N2203/0023G01N2203/0048G01N2203/0075G01N2203/0274
Inventor 付光明孙宝江李昊徐建春彭玉丹
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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