Pipe node welding sean ultrasonic detecting machine scanning device

A technology of ultrasonic testing and mechanical scanning, applied in measuring devices, analyzing solids using sonic/ultrasonic/infrasonic waves, and using sonic/ultrasonic/infrasonic waves for material analysis, etc., can solve problems such as low degree of automation, many human factors, and no records , to achieve accurate positioning, improve detection efficiency and improve accuracy.

Inactive Publication Date: 2005-06-08
WUHAN INST OF PHYSICS & MATHEMATICS CHINESE ACADEMY OF SCI
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Problems solved by technology

Aiming at the current problems of low automation, human factors, no records, and difficulty in judging the weld quality of TKY pipe joint welds, the applicant has carried out research on an automatic ultrasonic scanning detection system for TKY pipe joint welds on offshore platforms. The invention is the mechanical scanning part of the TKY pipe joint weld ultrasonic scanning detection system

Method used

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  • Pipe node welding sean ultrasonic detecting machine scanning device

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Embodiment Construction

[0015] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0016] according to figure 1 It can be seen that the device is composed of a scanning guide rail 1, a stepping motor 2, a sliding rod 3, a sliding ring 4, and a probe positioning ring 5, and is characterized in that:

[0017] The weld groove 9 is a cut surface of the TKY branch pipe 6, and the weld 8 is formed between the weld groove 9 and the main pipe 7 through the filling of solder, so that the TKY pipe branch 6 is firmly welded on the TKY main pipe 7 to reinforce the The steel jacket structure composed of main pipes, TKY branch pipe 6, TKY main pipe 7 and weld 8 form a typical Y-shaped pipe joint, which is the workpiece to be inspected, and weld 8 is the Y-shaped pipe joint to be inspected position; the ultrasonic probe 10 is an ultrasonic transmitting and receiving device, installed on the sliding rod 3, and its acoustic radiation surface is directly in contact ...

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Abstract

An ultrasonic test machine scanning device for welding seam of pipe node , comprising scanning rail, stepper motor, sliding rod, sliding ring and holding ring of detector, whose characteristics is that the scanning rail is fixed by surrounding the branches of TKY pipe and it is vertical to the axial line direction of the branches, the stepper motor is installed on the scanning rail, holding ring of detector is fixed on the branches and the is fixed on the sliding rod, touching with holding ring of detector by ball. The invention has simple structure, convenient operation, accurate measuring result.

Description

technical field [0001] The invention relates to the field of ultrasonic detection mechanical automatic scanning, and more particularly relates to a mechanical scanning device for ultrasonic detection of pipe joint welds. Background technique [0002] In recent years, with the continuous deepening and development of marine resource development, many countries in the world have built many new marine resource development facilities, mainly including offshore fixed platforms, offshore mobile platforms, and submarine pipelines. These offshore structures are often affected by ocean storms. Due to immersion and ocean corrosion, cracks are prone to appear at the welds of the pipe joints, which endanger the safety of national property and human life. Therefore, the non-destructive testing of offshore platform structures is of great significance. Offshore platform structures are generally composed of various steel jackets, and their pipe joints can be divided into three types: T, K, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N29/06G01N29/26
Inventor 程建政宋玉玲张旸
Owner WUHAN INST OF PHYSICS & MATHEMATICS CHINESE ACADEMY OF SCI
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