Pipeline inner wall nondestructive testing device

Abstract

The invention discloses a pipeline inner wall nondestructive testing device which comprises a support, moving mechanisms, detection lenses and a plurality of elastic supporting pieces; the detection lenses and the moving mechanisms are arranged at the two ends of the support respectively; the moving mechanism comprises a plurality of rolling assemblies; and the multiple rolling assemblies are arranged on the periphery of the detection lens and distributed in the circumferential direction of the support at intervals. The rolling assemblies are rotationally connected with the support, and the elastic supporting pieces and the rolling assemblies are same in number and arranged in a one-to-one correspondence mode. One end of the elastic supporting piece is connected with the support, and the other end is hinged to the rolling assembly. According to the technical scheme, by arranging the elastic supporting pieces, the rolling assemblies can be correspondingly adjusted along with the inner wall of the pipeline to guarantee stable operation, so that lens shaking is avoided, and the accuracy of a detection result is guaranteed; and the two ends of the support are each provided with one detection lens, so that different detection visual angles are provided, detection dead corners are avoided, and the comprehensiveness of the detection result of the pipeline inner wall nondestructive detection device for detecting the pipeline inner wall is guaranteed.

Description

technical field [0001] The invention relates to the technical field of pipeline detection, in particular to a non-destructive detection device for the inner wall of a pipeline. Background technique [0002] Before and after the pipeline is put into operation, it is necessary to carry out a comprehensive pipeline flaw detection operation, which requires a huge amount of work and requires a lot of human, material and financial resources. In order to ensure the stability of the pipeline, it is usually necessary to perform flaw detection on the pipeline, to detect whether there are cracks at the welded joints, to detect whether there are longitudinal cracks on the inner wall of the pipeline, etc., and usually the pipe wall has a certain thickness, so it is difficult to accurately detect cracks from the outside. Therefore, it is necessary to enter the interior of the pipeline for flaw detection. However, because the pipeline is very long, and the internal environment is harsh, s...

AI Technical Summary

Problems solved by technology

[0004] The main purpose of the present invention is to provide a non-destructive inspection device for the inner wall of the pipeline, which aims to solve the problems of inconvenient movement after the pipeline robot enters, detection dead angle or incomplete or accurate detection of the inner wall of the pipeline caused by camera shake.

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