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Automatic pipeline crack scanning device

A technology for scanning devices and cracks, which is applied to pipeline systems, mechanical equipment, gas/liquid distribution and storage, etc., can solve the problems of low scanning efficiency and accurate detection results, and achieve simple and convenient operation and overcome the problems of scanning inefficient effect

Pending Publication Date: 2020-01-07
BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It eliminates the error caused by the construction personnel needing to scan the outer wall of the pipeline with the eddy current sensing probe, solves the problems of low scanning efficiency and accurate detection results, and proposes a high-precision, high-efficiency, all-round detection pipeline for the outer wall of the pipeline Crack Automatic Scanning Device

Method used

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Experimental program
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Effect test

specific Embodiment approach

[0015] The preferred embodiment of the automatic inspection device for pipeline cracks of the present invention is:

[0016] It includes two adjusting rotating mechanisms, each adjusting rotating mechanism is respectively equipped with an adjusting limit mechanism, and an axial scanning mechanism is installed between the two adjusting rotating mechanisms.

[0017] The axial scanning mechanism includes two symmetrical mounting plates, six pinion gears, three rotating mounting plates, a Delta servo motor, a motor reducer, two connecting shafts, a linear slide sensor mounting frame, and a mounting frame Fine-tuning nut, linear slide motor;

[0018] Three pinion gears are installed on each mounting plate, two of which rotate the mounting plate to fix the linear slide table and the two mounting plates together; the motor reducer and the Delta servo motor are installed on the other rotating mounting plate, and the two are symmetrical The mounting plate is fixed together by two conn...

specific Embodiment

[0031] Such as figure 1 As shown, an automatic inspection device for pipeline cracks is used for automatic inspection of cracks on the outer wall of gas pipelines, including an axial scanning mechanism 1, an adjustment limit mechanism 2, and an adjustment rotation mechanism 3; the adjustment limit mechanism 2 is installed on Adjusting the rotating mechanism 3 allows the automatic crack inspection device for pipelines to be clamped, fixed and axially slid for pipes of different diameters. Scanning for cracks on the outer wall.

[0032] Such as figure 2 , image 3 and Figure 4 As shown, it includes: two mounting plates 4, six pinion gears 5, three rotating mounting plates 6, Delta servo motor 7, motor reducer 8, two connecting shafts 9, linear slide sensor mounting frame 10, installation Frame fine-tuning nut 11, linear slide motor 12, bulls-eye bearing mounting frame 13, bulls-eye bearing 14, adjustment limit block 15, adjustment connecting shaft 16, fine-tuning knob 17, ...

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Abstract

The invention discloses an automatic pipeline crack scanning device for automatically scanning cracks on outer walls of fuel pipelines. The automatic pipeline crack scanning device is characterized bycomprising an axial scanning mechanism, an adjustment limiting mechanism and an adjustment rotating mechanism, wherein the adjustment limiting mechanism is mounted on the adjustment rotating mechanism, such that the automatic pipeline crack scanning device can clamp and fix pipelines with different pipe diameters and slide axially. The axial scanning mechanism is mounted on the adjustment rotating mechanism, such that the automatic pipeline crack scanning device can scan the cracks on the outer walls of the pipelines. The automatic pipeline crack scanning device is an automatic scanning device based on eddy-current nondestructive detection, which is automatic in detection, high in accuracy and comprehensive in detection of the outer walls of the pipelines. The automatic pipeline crack scanning device eliminates errors caused by the fact that a constructor needs to hold an eddy-current sensing probe by hand to scan the outer walls of the pipelines, solves the problems of low scanning efficiency and accurate detection result and can comprehensively detect the outer walls of the pipelines with high accuracy and efficiency.

Description

technical field [0001] The invention relates to the field of automatic inspection of pipelines, in particular to an automatic inspection device for pipeline cracks. Background technique [0002] In many petrochemical enterprises and factories, pipelines are usually used to transport dangerous fuels such as gases and solutions. The harsh working environment will inevitably cause fatigue cracks, pipe body corrosion, creep and other hazards. It is easy to cause a leakage accident of the squib, which may cause property damage in the slightest and casualties in the severest case. With the development of pipeline nondestructive testing technology, eddy current nondestructive testing has outstanding advantages in terms of accuracy, reliability, and safety. Therefore, eddy current nondestructive testing is more and more widely used in the field of pipeline crack scanning, which greatly avoids pipeline leakage. Accidents happen. [0003] However, the current eddy current non-destru...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17D5/02
CPCF17D5/02
Inventor 曹建树王鹏智陈柏锦吴浩玚纪卫克
Owner BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY
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