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Rotating shaft non-destructive detecting system

A non-destructive testing, rotating shaft technology, applied in measuring devices, using sound waves/ultrasonic waves/infrasonic waves to analyze solids, using sound waves/ultrasonic waves/infrasonic waves for material analysis, etc., can solve the problem that the rotating shaft affects the safety of production and operation, and the quality monitoring of the rotating shaft is difficult , rotating shaft quality monitoring and other issues, to achieve the effect of less time, efficient defect imaging, and efficient detection

Pending Publication Date: 2019-08-06
南京天雀信息科技有限公司
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Problems solved by technology

[0002] The quality of the rotating shaft in service directly affects the safety of production and operation. Due to the many limitations of the detection methods in the existing technology, it is difficult to monitor the quality of the rotating shaft in the running state.
There are many difficulties in the manual inspection process, such as the need to stop the fan inspection, the economic loss caused by manual climbing and manual inspection, and a series of safety problems. In addition, the inspection process is greatly affected by the structure of the rotating shaft and other factors restrict the quality of the rotating shaft.

Method used

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  • Rotating shaft non-destructive detecting system

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Embodiment 1

[0039] A non-destructive testing system for a rotating shaft, the system is composed of a multi-channel ultrasonic signal excitation receiving device and a sensor array.

[0040] An SD card is also arranged on the multi-channel ultrasonic signal excitation receiving device. The multi-channel ultrasonic signal excitation receiving device is composed of an FPGA main control module, an ultrasonic excitation receiving module, a data acquisition module, a communication module, and a power supply module.

[0041] The multi-channel ultrasonic signal excitation receiving device adopts a modular design idea in the design, and the system is composed of an FPGA main control module, an ultrasonic excitation receiving module, a data acquisition module, a communication module, a clock and a power supply module, etc., and each module includes The sub-modules that can realize specific functions, and the coordination between each module depends on the FPGA main control chip for comprehensive s...

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Abstract

The invention discloses a rotating shaft non-destructive detecting system. The rotating shaft non-destructive detecting system designs a special multi-channel ultrasonic detecting device to realize rapid non-destructive detection of a rotating shaft under the in-service condition according to the basic principle of an ultrasonic pulse reflection method. The rotating shaft non-destructive detectingsystem is implemented by the steps of: (1) using an ultrasonic longitudinal wave reflection method for detection, wherein the propagation speed of longitudinal waves is fast, and the time for acquiring a reflected signal is short; (2) designing a multi-channel piezoelectric sensor, and packaging and directly fixing the multi-channel piezoelectric sensor to the end surface of a main shaft, and ensuring the reliability and consistency of detection; (3) designing a special fixture for installation and fixation of the multi-channel sensor and the device, so as to ensure that the whole set of detection device rotates with the main shaft; (4) and designing a set of multi-channel ultrasonic signal excitation and receiving device, so as to realize efficient detection and defect imaging of structures of the type.

Description

technical field [0001] The invention relates to a fan detection system, in particular to a rotating shaft non-destructive detection system. Background technique [0002] The quality of the rotating shaft in service directly affects the safety of production and operation. Due to the many limitations of the detection methods in the existing technology, it is difficult to monitor the quality of the rotating shaft in the running state. There are many difficulties in the manual inspection process, such as the need to stop the fan inspection, the economic loss caused by manual climbing and manual inspection, and a series of safety issues. In addition, factors such as the influence of the rotating shaft structure during the inspection process restrict the quality of the rotating shaft to be monitored. [0003] Therefore, it is particularly important to develop a non-destructive testing system that is more efficient, less costly, and more convenient to use. Contents of the inventi...

Claims

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Application Information

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IPC IPC(8): G01N29/04
CPCG01N29/048G01N29/041G01N2291/0421G01N2291/2634G01N2291/2636
Inventor 戎巧凤
Owner 南京天雀信息科技有限公司
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