Probe sleeve device for ultrasonic flaw detection

A probe cover and ultrasonic technology, applied in measuring devices, material analysis using sound waves/ultrasonic waves/infrasonic waves, instruments, etc., can solve the problem of insufficient probe coupling water, frequent replacement of wear-resistant columns, and inability to directly observe the wear of wear-resistant sleeves, etc. problems, to achieve the effects of coupling clutter suppression, service life extension, and coupling performance improvement

Active Publication Date: 2015-09-09
SINOPEC OILFIELD EQUIP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in production and use, problems such as insufficient probe coupling water, inability to directly observe the wear of the wear-resistant sleeve, and frequent replacement of the wear-resistant column have been exposed.

Method used

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  • Probe sleeve device for ultrasonic flaw detection
  • Probe sleeve device for ultrasonic flaw detection
  • Probe sleeve device for ultrasonic flaw detection

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Experimental program
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Embodiment Construction

[0013] Referring to the accompanying drawings and embodiments, the present invention will be further described.

[0014] Figure 1-3 Middle: The probe rotating bracket 9 is in the shape of 'Y', and there are two stainless steel screws 3 on the top, and the two ends of the probe base 1 are connected to the upper part of the probe rotating bracket 9 through two pin shafts 7 equipped with two sealed bearings 8 respectively. Between the fork grooves of the probe base, the washer 6 is between the probe base 1 and the probe rotating bracket 9, the screw sleeve 2 is installed in the sinking platform at the upper end of the middle part of the probe base 1, the two jacking screws 15 are on the top of the probe base 1, and the wear-resistant sleeve 4 is installed in the bottom of the probe base 1, and the wear-resistant column 5 is installed in the wear-resistant sleeve 4; after the bearing is installed on the connecting shaft 13, it extends into the lower part of the fork groove of the...

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Abstract

The invention provides an ultrasonic probe sleeve device of a steel tube defect detecting device. A probe rotating support is 'Y'-shaped; two ends of a probe seat are connected to the middle of a fork groove in the upper portion of the probe rotating support; a connecting shaft is connected to the lower portion of the fork groove of the probe rotating support and sleeves the upper end of the probe seat in a screwed manner; a wear-resistant sleeve which is made of a polytetrafluoroethylene material is connected to the lower portion of the probe seat; the total length of the wear-resistant sleeve is 20.8mm; six wear-resistant columns which are made of bearing steel GCr15 materials are arranged on the wear-resistant sleeve; and the length of each wear-resistant column is 11mm. The ultrasonic probe sleeve device is high in ultrasonic flow detection coupling performance; the service cycle of the wear-resistant sleeve and the service cycle of the wear-resistant columns are greatly prolonged; the wastage rate of a probe is reduced; the debugging frequency of an instrument is reduced during working; and weld defect detection rate is improved.

Description

technical field [0001] The invention belongs to a steel pipe defect detection device. Background technique [0002] As an efficient and dedicated means of transportation, pipeline transportation has played an increasingly important role in the field of natural gas transportation. At present, domestic large-diameter transportation pipelines are mainly constructed with spiral welded pipes. In order to ensure the reliable operation of the transportation pipeline, the quality of the spiral steel pipe used must be strictly guaranteed. Therefore, it is necessary to carry out non-destructive inspection on the weld seam before the steel pipe leaves the factory to eliminate hidden dangers. Ultrasonic continuous detection equipment after hydraulic pressure is used for offline weld inspection of steel pipes, mainly to detect transverse and longitudinal defects of welds. The quality of flaw detection mainly depends on the detection status of the probe. The probe cover is the main pa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N29/22
Inventor 漆曙蓉吴嵩朱春飞刘凌王海霞
Owner SINOPEC OILFIELD EQUIP CORP
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