Hydraulic pipeline vibration test simulation experiment platform

A vibration test and simulation experiment technology, applied in vibration test, fluid pressure actuation system test, fluid pressure actuation device, etc., can solve the problem that the real vibration situation of fluid hydraulic pipeline cannot be fully reflected.

Inactive Publication Date: 2015-09-02
WUHAN UNIV OF TECH
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Problems solved by technology

[0005] Aiming at the problem that the existing fluid hydraulic pipeline vibration experiment device cannot fully reflect the real vibration situation of the fluid hydraulic pipeline, and the limitations of the current pipeline detection method, the present invention proposes a method according to the actual working environment of the fluid hydraulic pipeline. An experimental device for simulating the vibration environment of fluid hydraulic pipelines that can more truly reflect the vibration characteristics of the tested pipelines, so as to meet the research needs of the vibration mechanism and vibration fault characteristics of fluid hydraulic pipelines

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  • Hydraulic pipeline vibration test simulation experiment platform

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Embodiment Construction

[0029] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0030] Such as figure 1 As shown, the fluid hydraulic pipeline vibration test simulation experiment platform of the preferred embodiment of the present invention includes a hydraulic power unit 1, a vibration excitation unit, a signal acquisition and processing unit 16, and a control unit. Wherein, the vibration excitation unit comprises industrial computer 17, signal source 18, power amplifier 19 and two vibrating tables 6 (small-sized vibrating tables can be used), and the output end of industrial computer 17 is connected with the input end of signal source 18, and signal source 18 The output en...

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Abstract

The invention discloses a hydraulic pipeline vibration test simulation experiment platform which comprises a vibration exciting unit, a hydraulic power unit, a sensor detection system, a control unit and a signal collecting and processing unit. The vibration exciting unit comprises a workbench and an industrial control computer, two vibration platforms are placed on the workbench, a to-be-tested pipeline is fixed on the vibration platforms, an accelerometer, a strain gauge and an optical fiber grating sensor are mounted in the to-be-tested pipeline, the hydraulic power unit is provided with a proportional flow valve, a proportional overflow valve and a digital switch valve, the sensor detection system comprises a temperature sensor and a pressure sensor which are both arranged on the vibration platforms, and the signal collecting and processing unit is connected with the sensor detection system and a sensor in the hydraulic power unit. The hydraulic pipeline vibration test simulation experiment platform can simulate vibration of a hydraulic pipeline mounting base and changing of temperature, flow and pressure of fluid in a pipeline, and has wide application prospect in the field of petrochemical industry, water conservancy, machinery and aerospace.

Description

technical field [0001] The invention relates to a hydraulic pipeline vibration test simulation experiment platform, in particular to an experiment platform for simulating the vibration of a small-diameter hydraulic pipeline's external installation base and internal fluid excitation. Background technique [0002] The hydraulic pipeline vibration test simulation experiment platform is an experimental equipment for vibration simulation of small-diameter hydraulic pipelines, including installation base vibration and fluid excitation. Through such vibration experiments, the vibration characteristics of the pipeline can be analyzed and the pipeline can be studied. The vibration mechanism provides a reasonable basis for the analysis of hydraulic pipeline vibration faults. Therefore, this experimental platform will have broad application prospects in the fields of machinery, chemical industry, water conservancy and aerospace. [0003] At present, the existing fluid hydraulic pipe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B19/00G01M7/02
CPCF15B19/007F15B19/005G01M7/02
Inventor 周祖德黄俊陈俊涛谭跃刚刘明尧彭霜魏勤
Owner WUHAN UNIV OF TECH
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