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Flaw detection trolley positioning detection method and device

A car and detector technology, applied in the electrical field, can solve the problem of inaccurate positioning of the car, and achieve the effect of fast and accurate detection

Active Publication Date: 2019-04-19
SHANDONG IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] This application discloses a method and device for detecting the positioning of a flaw detection trolley to solve the problem of inaccurate positioning of the trolley in the background technology

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  • Flaw detection trolley positioning detection method and device
  • Flaw detection trolley positioning detection method and device
  • Flaw detection trolley positioning detection method and device

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Embodiment Construction

[0058] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described The embodiments are only some of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0059] figure 1 It is a schematic structural diagram of the roller table provided in the embodiment of the present application. figure 2 It is a schematic cross-sectional view of the installation of the roller table provided in the embodiment of the present application.

[0060] Such as figure 1 and figure 2 As shown, the roller table i...

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Abstract

The invention discloses a flaw-detection trolley positioning and detecting method and device. The method includes the steps: calculating movement time of a flaw-detection trolley between a first limit mechanism and a second limit mechanism, and determining time intervals containing the movement time; beginning timing to obtain timing time when a first approximation switch stops to generate triggering signals after the flaw-detection trolley begins to move; cumulatively counting to obtain count values when any photoelectric door detector outputs count signals in the movement process of the flaw-detection trolley; determining that the flaw-detection trolley does not have positioning faults when the timing time is positioned in the time intervals, a second approximation switch outputs triggering signals and the count values are equal to the number of all probes. The detection device can generate fault signals when the flaw-detection trolley cannot accurately move to working position, so that the detection device can rapidly and accurately detect positioning conditions of the flaw-detection trolley.

Description

technical field [0001] The present application relates to the field of electrical technology, and in particular to a method and device for positioning and detecting a flaw detection trolley. Background technique [0002] During the production process of steel plates, common internal defects include folding, inclusions, shrinkage cavities, air bubbles, delamination, and cracks, etc. The nature of the defects is different, and the degree of harm is also different. Special-purpose steel plates such as steel plates and building structures require ultrasonic flaw detection to correctly determine the location, size and nature of defects. [0003] In the existing ultrasonic flaw detection equipment for flaw detection of steel plates, a rail parallel to the axis of the roller shaft is usually set between two roller shafts in the steel plate roller table, and the flaw detection trolley is set on the rail and can move along the track. A plurality of probes are sequentially arranged a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N29/265
CPCG01N29/265
Inventor 李深梁玉萍
Owner SHANDONG IRON & STEEL CO LTD