Double-manipulator ultrasonic transmission detection device

Abstract

The invention discloses a double-manipulator ultrasonic transmission detection device for detecting defects of composite materials with large curved surfaces. The double-manipulator ultrasonic transmission detection device comprises a mechanical structure system, a hardware system and a software system, wherein the mechanical structure system comprises a high-end manipulator, a base, a workpiece motion guiding rail, a water circulation unit and a workpiece support; the hardware system comprises an industrial personal computer, an ultrasonic transducer, a pulse transmission / receiving card, a high-speed data collection card, an electronic-control cabinet and like; and the software system comprises a system management module, an ultrasonic transceiving and signal collection module, a shape and outline tracking module, a motion control module, a signal processing module, an image displaying module and a parameter setting module. The double-manipulator ultrasonic transmission detection device can be used in nondestructive testing of common defects of composite materials with large composite curve surfaces, has the advantages of being fast in detection, high in accuracy and sensitivity and like, and has good application prospect in nondestructive testing of large composite material workpieces in the fields of aerospace, automobiles and the like.

Description

1. Technical field [0001] The invention relates to a double-manipulator ultrasonic transmission detection device for large-scale curved surface composite material defects, belonging to the field of non-destructive testing. 2. Background technology [0002] Composite materials have many advantages such as light weight, high strength, and good thermal insulation performance, and are widely used in aerospace, automotive, marine, chemical and other fields. During the manufacture and use of composite materials, defects such as cracks, holes, and delamination inevitably exist or appear, which will have a direct impact on the quality of composite material workpieces. Ultrasonic testing has been widely used in composite material defect detection due to its advantages of large transmission energy, strong penetrating power, low equipment cost, and light structure. Ultrasonic transmission testing is a commonly used method for composite material defect detection. It has significant adv...

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Problems solved by technology

[0004] The purpose of the present invention is to use the dual-manipulator detection system to carry out automatic non-destructive flaw detection on curved surface composite material workpieces, to solve the problem that the original five-axis ultrasonic scanning system is difficult to detect large curved surface workpieces, and to improve the accuracy, sensitivity and detection efficiency of defect detection

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