A steel pipe surface defect detection probe operating mechanism

By designing a chain link fitting component and a screw-adjustable ultrasonic probe bending arc operating mechanism for steel pipe surface defect detection, the problem of the gap between the probe and the steel pipe surface affecting the detection effect was solved, achieving efficient detection of steel pipes of different sizes.

CN224303635UActive Publication Date: 2026-05-29CHONGQING LIWAN PRECISION TUBE MFG CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHONGQING LIWAN PRECISION TUBE MFG CO LTD
Filing Date
2025-07-21
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

In existing methods for detecting surface defects in steel pipes, the gap between the probe and the surface of the steel pipe affects the detection results and makes the method unsuitable for steel pipes of different sizes.

Method used

Design an operating mechanism for a steel pipe surface defect detection probe. The bending arc of the ultrasonic probe can be adjusted by a chain link fitting component and a screw to adapt to steel pipe surfaces of different sizes, reduce gaps and improve detection effect.

Benefits of technology

By using a multi-section linkage method for the link-fitting assembly, the probe can better fit the surface of the steel pipe, reduce the gap between the probe and the surface of the steel pipe, and improve the detection effect.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224303635U_ABST
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Abstract

The utility model relates to steel pipe surface layer defect detection technical field, and disclose a kind of steel pipe surface layer defect detection probe operating mechanism, including crossbeam, the crossbeam is hinged in the inside of movable slot and has rotating plate, the bottom between the rotating plate of two sides is provided with chain link fitting assembly, the bottom side of the chain link fitting assembly is provided with ultrasonic probe, the top center of the crossbeam is rotatably connected with screw rod, the outside of the screw rod is provided with screw thread sleeve ring, the top of the rotating plate is rotatably connected with support plate;Chain link fitting assembly connected by multiple sections link mode, it is convenient to change own radian, and then more can be more fitted steel pipe surface, and by rotating screw rod can drive screw thread sleeve ring to move, again by support plate can push and pull rotating plate to adjust the radian of chain link fitting assembly, so that chain link fitting assembly can adapt to fit different size steel pipe, to improve applicability, reduce the gap between probe and steel pipe surface layer, improve detection effect.
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