Drum-type probe device for ultrasonic testing
A drum-type, ultrasonic technology, applied to measuring devices, using sound waves/ultrasonic waves/infrasonic waves for material analysis, instruments, etc., can solve problems such as increased detection costs, missed detection, direction changes, etc., to ensure service life and reduce wear Effect
Inactive Publication Date: 2014-04-02
CHINA WEAPON SCI ACADEMY NINGBO BRANCH +1
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A drum-type probe device for ultrasonic testing is characterized by comprising a middle shaft, probes, internal flanges, external flanges and an outer film, wherein the middle shaft is hollow to allow a cable to pass through, two ends are sealed, a through hole is formed in the outer wall on one side, and a mounting base is arranged on the through hole; the probes are arranged on the mounting base in a sealed manner and exposed out of an emission end surface; the two internal flanges are arranged at two ends of the middle shaft respectively; the two external flanges are arranged at two ends of the middle shaft respectively and located outside the internal flanges; and the outer film is made of a flexible and acoustically-transparent material, located outside the middle shaft and wraps the probes, and two ends of the outer film are connected between the outer end surfaces of the internal flanges and the inner end surfaces of the external flanges in a sealing manner. Compared with the prior art, the drum-type probe device for ultrasonic testing has the advantages that due to additional arrangement of the outer film, in a detection process, the outer film is contacted with a steel plate surface while the probes are not contacted with the steel plate surface, so that abrasion of the probes is reduced, and the service life of the probes is guaranteed.
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