Vibration detecting device of non-contact type fluid component

Abstract

The invention discloses a vibration detecting device of a non-contact type fluid component, comprising six flow-field upper-interface detected fluid component posture adjusting mechanisms with same structures, a supporting frame, three sensing and measuring devices with same structures, a flow-field upper-interface detected fluid component, a flow-field upper-interface detected fluid component clamping mechanism, a flow-field lower-interface structure, a flow-field lower-interface structure position adjusting mechanism, a vibration isolating platform, a moving platform, a gas-liquid pipeline and a controller. The vibration detecting device is used for detecting the vibration characteristic of the interstitial flow-field upper-interface detected fluid component under the two conditions of the static state and the horizontal movement of the interstitial flow-field lower interface; the vibration detecting device disclosed by the invention has the advantages that accurate control for the thickness of the interstitial flow field and the parallelism of the upper interface and the lower interface can be realized; the vibration from the ground can be effectively restrained; and since the supporting frame has good vibration resistance, the accurate detection to the vibration caused by small impact can be realized.

Description

technical field [0001] The invention relates to a vibration detection device, in particular to a non-contact fluid component vibration detection device. Background technique [0002] Vibration is an important inherent characteristic of construction machinery and experimental equipment, and is an important parameter for mechanical operation status and fault detection. Vibration detection technology is widely used in scientific research, daily life, industrial testing and other fields. For example, mechanical vibration fault detection, bridge vibration detection, engine vibration detection, etc. With the development of sensor technology and computer technology, the frequency range and dynamic range that can be measured by the measurement sensor are greatly increased, and the vibration test instrument is developing towards miniaturization, functionalization and diversification. [0003] The vibration detection of the gap flow field boundary surface is a necessary means to stu...

AI Technical Summary

Problems solved by technology

[0005] 1) For high-precision (above micron level) vibration detection requirements, the vibration isolation measures and anti-vibration performance of the existing vibration detection devices cannot meet the requirements;

[0006] 2) The existing vibration detection devices that rigidly fix the measurement object cannot measure the vibration caused by tiny impacts;

[0007] 3) For the vibration detection of the boundary surface of the slit flow field, the existing vibration detection devices cannot realize the pose adjustment function of the flow field boundary surface, that is, the thickness of the slit flow field and the parallelism of the upper and lower interfaces cannot be controlled;

[0008] 4) For the vibration detection of the boundary surface of the slit flow field under the condition of the lower interface movement, the existing vibration detection device cannot realize the control of the movement state of the lower interface of the flow field

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