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Ultrasound feature imaging detecting device for detecting stirring friction weld detect of airplane oil tank

A technology of aircraft fuel tank and characteristic imaging, which is applied in the direction of analyzing solids by using sound waves/ultrasonic waves/infrasonic waves, to achieve the effects of improving quantitative, rapid evaluation, and ensuring stability

Inactive Publication Date: 2015-12-30
NANCHANG HANGKONG UNIVERSITY
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to improve the detection efficiency and overcome the detection difficulties, the present invention provides a fast detection speed, high reliability, which can effectively detect the cracks with complex orientation in the connection interface area between the weld zone and the base metal, and close-fitting non-welded defects. Ultrasonic characteristic imaging detection device

Method used

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  • Ultrasound feature imaging detecting device for detecting stirring friction weld detect of airplane oil tank
  • Ultrasound feature imaging detecting device for detecting stirring friction weld detect of airplane oil tank
  • Ultrasound feature imaging detecting device for detecting stirring friction weld detect of airplane oil tank

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Embodiment Construction

[0039] Such as figure 1 As shown, the ultrasonic feature imaging detection device includes a water tank (9), a gasoline fuel tank movement system, a detection scanning system and an ultrasonic imaging system. The gasoline fuel tank movement system consists of a water circulation filter system (7) connected to the water tank (9), The positioning pin I (4) and positioning pin II (5) are symmetrically installed on the two side walls of the water tank (9). The positioning pin I (4) is driven by a servo motor; the detection and scanning system includes X-axis (1) on (9), Y-axis (2) installed on X-axis (1), Z-axis (3) installed on Y-axis (2), detection probe bracket (8) installed at the end of Z-axis ), three detection probes with different incident angles are installed on the detection probe bracket, and the X-axis (1), Y-axis (2), and Z-axis (3) are respectively driven by corresponding servo motors; the ultrasonic imaging system includes connecting 3 3 ultrasonic analyzers for de...

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Abstract

The invention provides an ultrasound feature imaging detecting device for detecting a stirring friction weld detect of an airplane oil tank. The ultrasound feature imaging detecting device comprises a water trough, an oil tank moving system, a detection scanning system and an ultrasound imaging system. A detection probe support position adjusting mechanism formed by the X axis, the Y axis and the Z axis is included, a detection probe support is installed at the tail end of the Z axis, three detector probes with different incident angles are installed on the detection probe support, and the oil tank is driven to rotate through positioning pins. The invention further provides a corresponding method for detecting the stirring friction weld detect of the airplane oil tank. Transverse waves and longitudinal waves are generated in the stirring friction weld, the ultrasound feature imaging principle is then combined, and the welding quality of a stirring friction weld of the airplane oil tank is automatically detected.

Description

technical field [0001] The invention relates to an imaging detection device, in particular to an ultrasonic feature imaging detection device for detecting friction stir welding seams of aircraft fuel tanks. Background technique [0002] Aircraft fuel tank is the source power system of the aircraft, and the quality of the fuel tank is directly related to the life safety of the aircraft. Therefore, the detection of the fuel tank is particularly important. The aircraft fuel tank adopts a new type of solid-phase welding technology, which has the characteristics of high quality, high efficiency, low consumption, small welding deformation, and no pollution, especially in thin plate welding. The connection between materials is realized by controlling the moving direction and moving track of the stirring head. The aircraft fuel tank is welded by aluminum or aluminum alloy materials, and the welding method adopts friction stir welding technology, but the friction stir welding techn...

Claims

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Application Information

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IPC IPC(8): G01N29/06
Inventor 陆铭慧刘华龙刘勋丰黄熠
Owner NANCHANG HANGKONG UNIVERSITY
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