Roller UT flaw detection mechanism and roller flaw detection method thereof

Abstract

The invention discloses a roller UT flaw detection mechanism and a roller flaw detection method thereof, and is applied to flaw detection of a roller; the mechanism also structurally comprises a clamping assembly for clamping the roller to rotate, a V-shaped groove for placing the roller, and a UT probe. The V-shaped groove is formed below the connecting line of the two clamping surfaces of the clamping assembly in a manner of moving up and down; a fixed frame is arranged on a mechanical arm, and the UT probe is movably arranged on the fixed frame; a driving assembly for driving the UT probe to move on the fixed frame is arranged on the fixed frame; the mechanical arm drives the fixed frame to move to the upper part of the V-shaped groove, so the UT probe is positioned right above one endof the roller in the length direction; the driving assembly drives the UT probe to move on the fixed frame in the length direction of the roller, and the UT probe is electrically connected with a flawdetection fluorescent screen. According to the roller UT flaw detection mechanism, the spatial position of the UT probe above the roller can be flexibly adjusted, the requirement of roller flaw detection is met, the equipment investment and the use cost are reduced, and meanwhile, the flaw detection efficiency of the roller is improved.

Description

Technical field: [0001] The invention relates to the technical field of roller flaw detection equipment manufacturing, in particular to a roller UT flaw detection mechanism and a roller flaw detection method thereof. Background technique: [0002] Roller UT flaw detection is a method that uses ultrasonic energy to penetrate deep into the roller, and when it passes from one section to another, it reflects at the edge of the interface to inspect the internal defects of the roller. When the ultrasonic beam passes from the roller The surface is connected from the probe to the inside of the metal. When a defect is encountered, a reflected wave is generated, and a pulse waveform is formed on the fluorescent screen. According to these pulse waveforms, the position and size of the internal defect of the roller are judged. During the roller UT flaw detection process, on the one hand, it needs to be adjusted The spatial position of the UT probe ensures that the ultrasonic waves emitte...

AI Technical Summary

Problems solved by technology

[0002] Roller UT flaw detection is a method that uses ultrasonic energy to penetrate deep into the roller, and when it passes from one section to another, it reflects at the edge of the interface to inspect the internal defects of the roller. When the ultrasonic beam passes from the roller The surface is connected from the probe to the inside of the metal. When a defect is encountered, a reflected wave is generated, and a pulse waveform is formed on the fluorescent screen. According to these pulse waveforms, the position and size of the internal defect of the roller are judged. During the roller UT flaw detection process, on the one hand, it needs to be adjusted The spatial position of the UT probe ensures that the ultrasonic waves emitted by the UT probe maintain a suitable coverage area on the surface of the roller, thereby ensuring the effect of the UT probe on the internal flaw detection of the roller. Move to ensure the integrity of the flaw detection inside the roller. However, in the existing technology, the adjustment of the spatial position of the UT probe and the moving structure are relatively complicated, which not only affects the speed of the adjustment of the UT probe, reduces the efficiency of the roller flaw detection, but also increases equipment investment. and cost of use

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