Ultrasonic phased array automatic scanning device used for large-size curved-surface component

Abstract

The invention provides an automatic ultrasonic phased array scanning device used for a large-size curved-surface component. The automatic ultrasonic phased array scanning device comprises a driving component, a steering component and a processor assembly of a control part, a sensor and an energy converter component of a detection part, and a power supply, a coupling agent storage tank, a low-pressure pump, a main case, a roller brush component and a base plate of an auxiliary part, wherein the steering component is provided with a distance sensor and a pressure sensor; and the energy converter component is provided with an automatic height and curvature adjusting device. Automatic scanning and stoppage of the device in a direction shaped like a Chinese character 'gong' can be realized by controlling the driving component and the steering component with a sensor feedback control function. The posture of an ultrasonic phased array energy converter is automatically adjusted by the energy converter component so that the ultrasonic phased array energy converter can be coupled with the surface of the component; and online detection or offline analysis of an ultrasonic phased array can be realized by the processor assembly. The automatic ultrasonic phased array scanning device used for the large-size curved-surface component can be used for automatic ultrasonic phased array detection of important components of industries including aviation and aerospace, wind power and the like, is particularly suitable for horizontally-arranged small-curvature large-size components, and has the advantages of strong adaptability, high detection efficiency and the like.

Description

technical field [0001] The invention relates to the field of automatic nondestructive testing of large curved surface components, in particular to an ultrasonic phased array automatic scanning device for large curved surface components, which can be used for automatic ultrasonic phased array detection of important components in aerospace, wind power and other industries. Background technique [0002] Large curved surface components have been widely used in key equipment in aerospace, wind power and other industries, such as aircraft wings, wind turbine blades, etc. These components are affected by various factors such as manufacturing process, external environment, and working load during production and service. It is inevitable that there will be various common defects such as debonding, pores, cracks, and looseness. If these defects cannot be detected in time, it will seriously affect the safe operation of key equipment, and even cause immeasurable losses. [0003] Ultras...

AI Technical Summary

Problems solved by technology

However, the above-mentioned scanning devices all use a conventional single ultrasonic probe for detection, the scanning efficiency is low, and it is easy to cause low imaging accuracy and difficulty in defect evaluation. In addition, the scanning trajectory is adjusted manually, which can easily lead to missed detection of defects

In addition, most of the scanning methods of existing ultrasonic automatic scanning devices are difficult to use on surfaces with variable curvature, and there are still many problems in key technologies such as boundary judgment and interface coupling of existing ultrasonic automatic scanning devices that need to be solved urgently

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