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A pipeline outer weld detection device

A detection device and a technology for external welds, applied in the field of pipeline external weld detection devices, to achieve the effects of enhanced adaptability and stability, convenient installation, and simplified detection steps

Active Publication Date: 2019-08-02
ZHEJIANG OCEAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a pipe outer weld detection device to solve the technical problem of adapting to pipes of different sizes and automatically crawling along the outside of the pipe for weld detection

Method used

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  • A pipeline outer weld detection device
  • A pipeline outer weld detection device
  • A pipeline outer weld detection device

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Embodiment 1

[0046] Such as Figure 1 to Figure 6 As shown, the present invention provides a pipeline outer weld detection device, with reference to figure 1 As shown, it includes a pipe frame, a moving mechanism and an ultrasonic detection unit arranged on the pipe frame, and a control unit.

[0047] The pipe frame is suitable for erecting on the outer ring of the pipe, and includes a mother frame assembly and a child frame assembly connected to form a ring structure through a curvature adjustment assembly. The pipe frame can be designed as a full-size ring structure, but in order to facilitate disassembly without affecting the detection efficiency, it can be designed as a non-full-size ring structure, that is, there is a gap 3 in the ring structure. The designed notch 3 makes it necessary to connect one end of the mother bracket assembly and the sub-bracket assembly when the pipe frame is installed on the outer ring of the pipeline, that is, the opposite end of the mother bracket assemb...

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Abstract

The invention relates to the technical field of mechanical engineering detection, and especially relates to a pipeline outside welding seam detection device. The device comprises a pipeline rack body, a moving mechanism, an ultrasonic detection unit and a control unit. The pipeline rack body is erected on a pipeline outer ring, and comprises a mother support assembly and a subsidiary support assembly which are connected by a curvature adjusting assembly to form an annular structure; the moving mechanism comprises a driving assembly arranged on the pipeline rack body and a driving wheel assembly connected with the driving assembly and used for driving the pipeline rack body to move along the pipeline outer ring; the ultrasonic detection unit comprises an ultrasonic detector and an ultrasonic probe sensor coupled with the ultrasonic detector; and the control unit is used for being coupled with the ultrasonic detector and is electrically connected with the driving assembly.

Description

technical field [0001] The invention relates to the technical field of mechanical engineering detection, in particular to a detection device for outer weld seams of pipelines. Background technique [0002] Pipeline transportation is the main way of oil and natural gas transportation. At present, nearly 90% of crude oil and 100% of natural gas in my country are transported through pipelines. Once a pipeline accident occurs, it will not only cause huge economic losses, but also cause immeasurable harm to the society and the environment. The repair work of the pipeline is not only difficult but also expensive. Since the damage of the pipeline is mainly concentrated on the damage of the weld, in order to prevent and reduce the occurrence of pipeline accidents, the oilfield pipeline maintenance workers will spend a lot of time and hard work to detect the weld of the pipeline every year. [0003] In order to ensure the quality of pipeline welding, weld inspection is usually carri...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N29/265
CPCG01N29/265G01N2291/267
Inventor 郑思敏史晓敏
Owner ZHEJIANG OCEAN UNIV
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