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A multifunctional fixture for vibration test of aircraft storage tank

A vibration test, multi-functional technology, applied in the field of mechanical design, can solve the problems of high test cost, large storage tank quality, low test efficiency, etc., and achieve the effect of improving test efficiency, saving test time and reducing test cost.

Active Publication Date: 2021-11-05
NORTHWESTERN POLYTECHNICAL UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, due to the large mass of the storage tank after filling, it is time-consuming and labor-intensive to disassemble and assemble the storage tank, and requires multiple disassembly and assembly of the storage tank and flipping the shaking table, which makes the test efficiency low and the test cost high

Method used

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  • A multifunctional fixture for vibration test of aircraft storage tank

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Embodiment Construction

[0026] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed descriptions will be omitted.

[0027] Although relative terms such as "upper" and "lower" are used in this specification to describe the relative relationship of one component of an icon to another component, these terms are used in this specification only for convenience, for example, according to the description in the accompanying drawings directions for the example described above. It will be appreciated that if the illustrated device is turned over so...

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Abstract

The disclosure provides a multifunctional fixture for vibration testing of aircraft storage tanks, and relates to the technical field of mechanical design. The multifunctional fixture includes a box body, a first mounting surface, a second mounting surface and a mounting ring, wherein: the box body has a cavity for accommodating the storage tank, the cavity passes through the first end and the second end of the box body, and the second One end has an opening for the storage tank to pass through, and the opening communicates with the cavity; the first mounting surface covers the second end and is fixedly connected with the second end for connecting with the vibrating table in the first direction; the second The installation surface is fixedly connected with the outer surface of the side wall of the box body, and is perpendicular to the first installation surface, and is used to connect with the vibrating table in a direction perpendicular to the first direction; the installation ring is arranged at the first end and the second end between, and surround the inner wall of the cavity, and can be detachably connected with the storage tank. The disclosed multifunctional fixture for the vibration test of the aircraft storage tank can reduce the test cost and improve the test efficiency.

Description

technical field [0001] The present disclosure relates to the technical field of mechanical design, in particular to a multifunctional fixture for vibration testing of aircraft tanks. Background technique [0002] For aircraft containing liquid propellant storage tanks, the aircraft needs to experience harsh mechanical environments during transportation and flight. In order to ensure that the storage tanks do not fail during aircraft transportation and flight, vibration tests are usually used to assess filling Structural reliability of liquid rear tanks. [0003] During the transportation and flight of the aircraft, the installation state of the storage tank will change. For example: when the aircraft is transported horizontally, since the installation surface of the storage tank is parallel to the ground, the direction of gravity is vertical to the installation surface; while when the aircraft is flying vertically , the installation surface of the storage tank is perpendicu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M7/02B64F5/60
CPCB64F5/60G01M7/027
Inventor 王心美李磊岳珠峰
Owner NORTHWESTERN POLYTECHNICAL UNIV
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