Ultrasonic phased array flat panel detecting automatic scanning device
An ultrasonic phased array and automatic detection technology, which is applied to measuring devices, using sound waves/ultrasonic waves/infrasonic waves to analyze solids, and using sound waves/ultrasonic waves/infrasonic waves for material analysis, etc., can solve problems such as large blind spots, missed inspections, and single angles , to achieve the effects of improving accuracy, avoiding scanning offset, and improving the degree of automation
Pending Publication Date: 2019-04-16
国能锅炉压力容器检验有限公司
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[0005] (3) Phased array inspection can have B-scan, D-scan, S-scan and C-scan at the same time, and a three-dimensional graphic can be established through modeling. The defect display is very intuitive, even people who do not understand NDT can understand it, and Conventional ultrasound can only distinguish defects by waveform
[0006] (4) Ultrasonic phased array can detect complex workpieces, such as the blade root of turbine blades. Conventional ultrasonic detection has a large blind area because of the single beam angle of the probe, resulting in missed detection
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[0078] 1. According to the phased array focusing law, calculate the a value;
[0079] 2. Put the automatic scanning device in the corresponding position, clamp the probe by the probe groove, and adjust the 17 fastening bolts to make the probe and the contact surface in good contact and move smoothly;
[0080] 3. Adjust the rotation speed of the motor, and make it as large as possible without affecting the detection quality, so as to improve the detection speed;
[0081] 4. Implement testing;
[0082] 5. The detection is completed.
[0083] Beneficial effects of the present invention:
[0084] The invention designs an automatic scanning device for a phased array probe.
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The invention discloses an ultrasonic phased array flat panel detecting automatic scanning device. The device comprises a device main body fixedly arranged on a flat panel component, a driving block assembly linearly movable with the device main body, and a probe slot which is arranged on the driving block assembly and is used to mount a probe. By adopting the ultrasonic phased array flat panel detecting automatic scanning device provided by the invention, the phased array probe can automatically scan a flat panel weld seam according to a preset linear motion trajectory, and the precision andautomation degree of flat panel scanning are improved.
Description
technical field [0001] The invention relates to the technical field of ultrasonic detection, in particular to an automatic scanning device for ultrasonic phased array flat panel detection. Background technique [0002] The principle of ultrasonic phased array is similar to that of conventional ultrasonic detection, both of which are based on the principle of pulse reflection method. Compared with conventional ultrasound, the advantages of ultrasonic phased array mainly include the following aspects: [0003] (1) The phased array adopts S-scan, that is, it can have ultrasonic waves from many angles at the same time, which is equivalent to having probes with multiple angles working at the same time, so the phased array does not need sawtooth scanning, just move the probe along the weld, The detection efficiency is higher. Suitable for automated production, and mass production. [0004] (2) Phased array can have focusing function, but conventional ultrasonic generally does n...
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IPC IPC(8): G01N29/265G01N29/04
CPCG01N29/04G01N29/265
Inventor 张广兴
Owner 国能锅炉压力容器检验有限公司
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