Special-shape cabin external pressure device

A special-shaped, cabin technology, applied in the direction of measuring devices, using stable tension/pressure testing materials, instruments, etc., can solve the problem of inability to meet the external pressure loading requirements of the special-shaped cabin structure, and achieve smooth progress and improvement. The effect of efficiency

Inactive Publication Date: 2017-04-05
SHANGHAI SPACE PRECISION MACHINERY RES INST
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Problems solved by technology

[0002] In the test tasks of the structural strength of the cabin section of the launch vehicle, many external pressure test tasks on the outer wall of the special-shaped cabin are involved. The existing external pressure devices of the cabin cannot meet the external pressure loading requirements of different types and specifications of the special-shaped cabin structure.

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  • Special-shape cabin external pressure device
  • Special-shape cabin external pressure device
  • Special-shape cabin external pressure device

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Embodiment Construction

[0022] The present invention will be further elaborated below in conjunction with the accompanying drawings and specific embodiments. These examples should be understood as only for illustrating the present invention but not for limiting the protection scope of the present invention. After reading the contents of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent changes and modifications also fall within the scope defined by the claims of the present invention.

[0023] Such as figure 1 As shown, a local eccentric load loading device according to the present invention is composed of various structural parts, including: an annular rubber bag 1, a rubber bag limit support device 2, and its general assembly schematic diagram is as follows figure 1 shown.

[0024] Such as figure 2 As shown, the annular rubber bag 1 has 4 faces in total, which are respectively an upper end face 21, a lower en...

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Abstract

The invention provides a special-shape cabin external pressure device. The special-shape cabin external pressure device includes: an annular rubber container, and a rubber container limiting support device. The annular rubber container is sleeved on the outer surface of a test piece, and the rubber container limiting support device is installed on the outer surface of the rubber container. The special-shape cabin external pressure device can satisfy the loading requirements of special-shape cabin outer wall non-uniformly distributed external pressure test, not only meets the need of special-shape cabin segmented non-uniformly distributed large load external pressure loading, at the same time effectively improves the special-shape cabin external pressure test efficiency, and promotes the smooth progress of the test.

Description

technical field [0001] The invention belongs to the scope of a loading device for a strength environment test, and in particular relates to an external pressure device for a special-shaped cabin. Background technique [0002] In the structural strength test task of the launch vehicle cabin, many external pressure tests on the outer wall of the special-shaped cabin are involved. The existing external pressure device of the cabin cannot meet the external pressure loading requirements of different types and specifications of the special-shaped cabin structure. [0003] The test cabin of the present invention is a special-shaped cone structure. During the test, the annular rubber bag is first placed on the outer wall of the cabin, and then the rubber bag limit support device is installed on the outer surface of the rubber bag. Water filling and pressurization can realize the external pressure test on the special-shaped cabin. Contents of the invention [0004] The technical p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/12G01N3/02
CPCG01N3/12G01N3/02G01N2203/0044G01N2203/0048
Inventor 易果徐姣孙自强王小卫时亚州严德金吴辰潘智勇沈俭金立群杨军
Owner SHANGHAI SPACE PRECISION MACHINERY RES INST
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