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Pipeline metal shock absorber

A shock absorber and pipeline technology, applied in the direction of pipe elements, pipe supports, pipes/pipe joints/pipe fittings, etc., can solve the problem of no metal shock absorbers, etc., and achieve strong design, compact space structure, and environmental adaptability. strong effect

Inactive Publication Date: 2020-12-01
BEIJING INST OF STRUCTURE & ENVIRONMENT ENG
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Problems solved by technology

Especially with the rapid development of heavy-duty launch vehicles, the demand for pipeline vibration reduction is increasingly strong, but there is still no metal shock absorber that can be truly suitable for aerospace environments

Method used

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  • Pipeline metal shock absorber
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  • Pipeline metal shock absorber

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Embodiment

[0032] By increasing the damping method at the installation place of the pipeline, the vibration of the pipeline system is reduced. In particular, there are few studies on the design of rocket booster pipeline vibration reduction. As an important part of the rocket booster delivery system, the pipeline is a single-point failure component, which will directly affect the success or failure of the flight. In the history of launch vehicle and weapon development, there have been many flight failures and even failures caused by broken pipelines. The pipeline system vibration reduction method designed in this paper is to realize the overall vibration reduction of the pipeline system, including particle damping technology, metal vibration reduction technology, elastic support design of joints and other key design points.

[0033] The characteristic of this particle damping and vibration reduction structure design scheme is that the particle damping technology is applied. The vibratio...

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Abstract

The invention discloses a pipeline metal shock absorber. The pipeline metal shock absorber comprises a metal pipeline body and damping supports. The damping supports are arranged at the two ends of the metal pipeline body in a sleeving mode. A steel pipe is arranged in the metal pipeline body; a metal wire woven sleeve is arranged at the non-damping support sleeving position outside the steel pipein a sleeving manner; a granular material is arranged between the metal wire woven sleeve and the steel pipe; and each damping support comprises a metal rubber pad, a support body and a pipe hoop. The corresponding metal rubber pad is arranged at the bottommost portion of each damping support, wherein the support body is arranged at the top end of the metal rubber pad, the pipe hoop is arranged at the top end of the support body, a sleeving groove is formed in the center between the pipe hoop and the support body, a groove is formed in the inner side wall of the sleeving groove, and a pipeline elastic pad matched with the groove is arranged in the groove. The integral vibration and noise reduction design of the pipeline connecting position and the pipeline wall of the pipeline system is achieved, and the pipeline system can be widely used in pipeline supporting, elastic connecting and other mechanical structures in various industries.

Description

technical field [0001] The invention relates to the field of vibration and noise reduction of metal shock absorbers, in particular to a pipeline metal shock absorber. Background technique [0002] As a key technology in aerospace and other national defense fields, metal vibration reduction plays an important role in improving the vibration environment of aerospace instruments and equipment. Chinese scientific researchers have very limited understanding of metal shock absorbers and their applications. In recent years, some domestic research institutes and major universities have done a lot of research and exploration on the application and development of metal shock absorbers for pipelines. Especially with the rapid development of heavy-duty launch vehicles, there is an increasingly strong demand for pipeline vibration reduction, but there is still no metal shock absorber that can be truly suitable for aerospace environments. The main research content of this patent is base...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L55/035F16L3/10
CPCF16L3/1091F16L55/035
Inventor 张佳琪张博陈时虎李昊宇
Owner BEIJING INST OF STRUCTURE & ENVIRONMENT ENG
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