CN108333254B - Ultrasonic probe system for detecting delamination defect of double-metal seamless composite steel pipe bonding layer - Google Patents
Ultrasonic probe system for detecting delamination defect of double-metal seamless composite steel pipe bonding layer Download PDFInfo
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- CN108333254B CN108333254B CN201711484867.9A CN201711484867A CN108333254B CN 108333254 B CN108333254 B CN 108333254B CN 201711484867 A CN201711484867 A CN 201711484867A CN 108333254 B CN108333254 B CN 108333254B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0234—Metals, e.g. steel
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/263—Surfaces
- G01N2291/2634—Surfaces cylindrical from outside
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Abstract
The invention provides an ultrasonic probe system for detecting delamination defects of a bonding layer of a double-metal seamless composite steel pipe, which comprises a gas spring connecting rod connected with an external driving mechanism, a probe mounting bracket arranged at the other end of the gas spring connecting rod, a probe adjustable moving plate movably fixed on the probe mounting bracket, an ultrasonic probe arranged on the probe adjustable moving plate and a probe middle position limiting claw, wherein the probe middle position limiting claw is arranged on the probe middle position limiting claw; the middle position limiting claw of the probe is arranged at the same side of the gas spring connecting rod; the probe middle position limiting claw is in an inverted V shape, the other two ends of the probe middle position limiting claw are respectively provided with a rotatable roller, and the rotatable rollers can rotate along with the spiral movement of the steel pipe to be tested; the invention overcomes the defect that the detection result is influenced by the error of a transmission system, the straightness error of the steel pipe, the excessive cylindricity error of the steel pipe or the excessive accumulated error when the steel pipe advances spirally, ensures the accuracy of the detection result while greatly reducing the detection cost, and is suitable for detecting the delamination defects of the bonding layers of the composite steel pipes with different diameters.
Description
Technical Field
The invention relates to the technical field of ultrasonic nondestructive testing, in particular to an ultrasonic probe system for detecting delamination defects of a bonding layer of a bimetal seamless composite steel pipe.
Background
The bimetal composite pipe has the advantages of impact resistance, low thermal expansion rate, pressure resistance, high temperature resistance, mature installation, complete specification and the like, is widely applied to the industrial fields of oil fields, chemical industry, electric power and the like, has wider and wider application range, and brings more obvious economic, environmental and social benefits; however, if the double-layer metal joint surface is delaminated, the strength of the composite steel pipe is greatly damaged, and the operation safety of important application occasions is affected; therefore, it is necessary to enhance the quality control of the bimetal composite pipe for both manufacturers and users.
The detection of the delamination defect of the bonding layer of the bimetal seamless composite steel pipe usually adopts an ultrasonic detection method, and in order to realize the full detection on the whole cylindrical contact surface of the bimetal composite pipe, the scanning area of an ultrasonic detection probe must be covered on the whole cylindrical contact surface; to achieve the purpose, the ultrasonic probe and the bimetal composite pipe must make relative spiral motion, and the thread pitch of the spiral motion must not exceed the effective detection width of the ultrasonic probe, so as to ensure that the detection process is leak-proof.
In the existing ultrasonic detection equipment for the delamination of the bonding layer of the bimetal composite pipe, two methods are mainly used for realizing the relative spiral motion of a probe and a steel pipe; one is that the ultrasonic probe rotates at a fixed axis and a high speed, and the steel pipe moves linearly at a constant speed; the other is that the steel pipe advances spirally and the probe is kept fixed; the first method has higher detection efficiency and detection precision, but the processing cost, the use cost and the maintenance cost of the equipment are also high; the second method has low processing cost, use cost and maintenance cost, but has relatively low detection precision, and the main reason is that the steel pipe shakes on the track because the straightness cannot meet the requirement when the steel pipe advances spirally, unpredictable influence is brought to an ultrasonic detection result, and the phenomena of defect missing report or false report often occur.
Disclosure of Invention
The invention aims to provide an ultrasonic probe system for detecting the delamination defect of a bonding layer of a double-metal seamless composite steel pipe, which has the advantages of simple structure, high detection precision and no missed detection.
In order to achieve the purpose, the technical scheme of the invention is as follows:
an ultrasonic probe system for detecting delamination defects of a bonding layer of a bimetal seamless composite steel pipe, the ultrasonic probe system comprising:
one end of the gas spring connecting rod is connected with the external driving mechanism and driven by the external driving mechanism to float up and down;
the other end of the gas spring connecting rod is arranged on one side surface of the probe mounting bracket through a revolute pair, and the middle part of the probe mounting bracket is provided with a first waist groove through hole;
the probe adjustable moving plate is arranged on the upper surface of the probe mounting bracket, a through hole is formed in the middle of the probe adjustable moving plate, the central axis of the through hole and the central axis of the first waist groove through hole are on the same straight line, second waist groove through holes are formed in two sides of the through hole, and a screw penetrates through the second waist groove through holes to fix the probe adjustable moving plate on the probe mounting bracket;
the ultrasonic probe penetrates through the through hole of the probe adjustable moving plate and the first waist groove through hole on the probe mounting bracket for mounting, and the ultrasonic probe is in clearance fit with the through hole of the probe adjustable moving plate;
one end of the probe middle position limiting claw is installed on one side surface of the probe installation support through a screw, and the probe middle position limiting claw and the gas spring connecting rod are installed on the same side; the probe middle position limiting claw is of an inverted V shape, the other two ends of the probe middle position limiting claw are respectively provided with a rotatable roller, and the rotatable rollers can rotate along with the spiral movement of the steel pipe to be detected.
In one embodiment of the present invention, the ultrasonic probe is fixed by a set screw.
Through the technical scheme, the invention has the beneficial effects that:
the invention overcomes the defect that the detection result is influenced by the error of a transmission system, the straightness error of the steel pipe, the excessive cylindricity error of the steel pipe or the excessive accumulated error when the steel pipe advances spirally, ensures the accuracy of the detection result while greatly reducing the detection cost, and is suitable for detecting the delamination defects of the bonding layers of the composite steel pipes with different diameters.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of the present invention in its working state;
FIG. 2 is a side view of the present invention in an operating state;
FIG. 3 is a top view of the present invention in an operating state;
the corresponding part names indicated by the numbers and letters in the drawings:
10. the device comprises a gas spring connecting rod 11, a revolute pair 20, a probe mounting bracket 21, a first kidney-shaped groove through hole 30, a probe adjustable moving plate 31, a second kidney-shaped groove through hole 32, a screw 33, a set screw 40, an ultrasonic probe 50, a probe middle position limiting claw 51, a rotatable roller 60 and a steel pipe.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
In order to ensure accurate detection of the delamination defect of the bonding layer of the bimetal composite steel pipe, two adjustable parameters of the ultrasonic probe system are closely related to a detection result, wherein (1) the distance between the lower end face of the ultrasonic probe and the upper surface of the composite steel pipe is L1, and (2) the offset distance between the center of the ultrasonic probe and the axis of the steel pipe is L2, and the size of the parameters is related to the diameter of the detected composite steel pipe and the thickness of an external embedding layer and is of great importance to the accuracy of the detection result.
Referring to fig. 1 to 3, the invention discloses an ultrasonic probe system for detecting delamination defects of a bonding layer of a seamless double-metal composite steel pipe, which comprises a gas spring connecting rod 10, a probe mounting bracket 20, a probe adjustable moving plate 30, an ultrasonic probe 40 and a probe middle position limiting claw 50.
One end of the gas spring connecting rod 10 is connected with an external driving mechanism, and the external driving mechanism drives the gas spring connecting rod to float up and down; the other end of the gas spring connecting rod 10 is installed on one side surface of the probe installation support 20 through a revolute pair 11, and when an external driving mechanism moves up and down, the gas spring connecting rod 10 is driven to move up and down, and finally the probe installation support 20 is driven to move up and down; the middle part of the probe mounting bracket 20 is provided with a first waist groove through hole 21; the probe adjustable moving plate 30 is installed on the upper surface of the probe installation support 20, a through hole (not shown in the figure) is arranged in the middle of the probe adjustable moving plate 30, the central axis of the through hole and the central axis of the first waist groove through hole 21 are on the same straight line, second waist groove through holes 31 are arranged on two sides of the through hole, and a screw 32 penetrates through the second waist groove through holes 31 to fix the probe adjustable moving plate 30 on the probe installation support 20; the ultrasonic probe 40 passes through the through hole of the probe adjustable moving plate 30 and the first kidney-shaped groove through hole 21 on the probe mounting bracket 20 for mounting, and the ultrasonic probe 40 is in clearance fit with the through hole of the probe adjustable moving plate 30.
The ultrasonic probe 40 can be adjusted up and down in the through hole of the probe adjustable moving plate 30, when the ultrasonic probe 40 is adjusted to a proper position, the ultrasonic probe 40 can be locked through the set screw 33, the ultrasonic probe 40 and the set screw are integrated, in addition, two second waist-shaped groove through holes 31 are formed in the probe adjustable moving plate 30, the ultrasonic probe 40 can be adjusted and moved along the radial direction of the tested steel tube 60, when the distance L2 is adjusted, the screw 32 penetrates through the second waist-shaped groove through holes 31 to fix the probe adjustable moving plate 30 on the probe mounting bracket 20, and the ultrasonic probe 40 is indirectly locked.
The length of the first waist-shaped groove through hole 21 formed in the probe mounting bracket 20 is based on the offset distance L2 required by the maximum detection of the diameter of the composite steel pipe, and the ultrasonic probe 40 passes through the first waist-shaped groove through hole 21 and can freely move in the first waist-shaped groove through hole 21 along the radial direction of the steel pipe 60, so that the adjustment of the axial offset distance L2 between the ultrasonic probe 40 and the steel pipe 60 is realized.
One end of the probe middle position limiting claw 50 is arranged on one side surface of the probe mounting bracket 20 through a screw 32, and the probe middle position limiting claw 50 is arranged on the same side with the gas spring connecting rod 10; the probe middle position limiting claw 50 is in an inverted V shape, the other two ends of the probe middle position limiting claw 50 are respectively provided with a rotatable roller 51, and the rotatable rollers 51 can rotate along with the spiral movement of the steel pipe 60 to be tested.
The working principle of the invention is as follows:
when the steel pipe 60 passes through the detection position, the whole ultrasonic probe 40 system descends under the drive of the external drive mechanism, at the moment, two rotatable rollers 51 below the probe middle position limiting claw 50 are firstly contacted with the surface of the steel pipe 60, and because the probe middle position limiting claw 50 is of an inverted V-shaped structure, V-shaped edges at two sides of the probe middle position limiting claw 50 are automatically symmetrical to the axis of the steel pipe 60, no matter how the steel pipe jumps, under the positioning of the probe middle position limiting claw 50, the center of the ultrasonic probe system is always aligned with the axis of the steel pipe 60, the whole ultrasonic probe system can float up and down through the gas spring connecting rod 10, and the offset distance L2 of the ultrasonic probe 40 relative to the axis of the steel pipe 60 is always kept unchanged, so that the accuracy of the.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. An ultrasonic probe system for detecting delamination defects of a bonding layer of a bimetal seamless composite steel pipe, which is characterized by comprising:
one end of the gas spring connecting rod is connected with the external driving mechanism and driven by the external driving mechanism to float up and down;
the other end of the gas spring connecting rod is arranged on one side surface of the probe mounting bracket through a revolute pair, and the middle part of the probe mounting bracket is provided with a first waist groove through hole;
the probe adjustable moving plate is arranged on the upper surface of the probe mounting bracket, a through hole is formed in the middle of the probe adjustable moving plate, the central axis of the through hole and the central axis of the first waist groove through hole are in the same straight line, a second waist groove through hole is formed in each of the two sides of the through hole, and the probe adjustable moving plate is fixed on the probe mounting bracket through a screw passing through the second waist groove through hole;
the ultrasonic probe penetrates through the through hole of the probe adjustable moving plate and the first waist groove through hole on the probe mounting bracket for mounting, and the ultrasonic probe is in clearance fit with the through hole of the probe adjustable moving plate;
one end of the probe middle position limiting claw is installed on one side surface of the probe installation support through a screw, and the probe middle position limiting claw and the gas spring connecting rod are installed on the same side; the probe middle position limiting claw is of an inverted V shape, the other two ends of the probe middle position limiting claw are respectively provided with a rotatable roller, and the rotatable rollers can rotate along with the spiral movement of the steel pipe to be detected.
2. The ultrasonic probe system for the delamination defect detection of the bonding layer of the bimetal seamless composite steel pipe as claimed in claim 1, wherein the ultrasonic probe is fixed by a set screw.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711484867.9A CN108333254B (en) | 2017-12-29 | 2017-12-29 | Ultrasonic probe system for detecting delamination defect of double-metal seamless composite steel pipe bonding layer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711484867.9A CN108333254B (en) | 2017-12-29 | 2017-12-29 | Ultrasonic probe system for detecting delamination defect of double-metal seamless composite steel pipe bonding layer |
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| Publication Number | Publication Date |
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| CN108333254A CN108333254A (en) | 2018-07-27 |
| CN108333254B true CN108333254B (en) | 2020-07-17 |
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| CN201711484867.9A Active CN108333254B (en) | 2017-12-29 | 2017-12-29 | Ultrasonic probe system for detecting delamination defect of double-metal seamless composite steel pipe bonding layer |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668057B (en) * | 2019-01-23 | 2020-08-21 | 北京工业大学 | Ground steel pipeline detection scanner with coating layer |
| CN109827039A (en) * | 2019-03-12 | 2019-05-31 | 中国矿业大学 | A kind of probe follow-up device for Magnetic Flux Leakage Inspecting pipe-line defect |
| CN110018236A (en) * | 2019-03-29 | 2019-07-16 | 浙江大学滨海产业技术研究院 | A kind of steel pipe non-destructive detecting device |
| CN112229911B (en) * | 2020-10-13 | 2022-08-19 | 上海大学 | Method and device for detecting delamination of 3D printed product in real time |
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| JP4139198B2 (en) * | 2002-11-26 | 2008-08-27 | 日本鉄塔工業株式会社 | Inspection and measurement equipment for steel pipe structures |
| JP2009097989A (en) * | 2007-10-17 | 2009-05-07 | Nippon Kogyo Kensa Kk | Probe moving apparatus |
| JP4441421B2 (en) * | 2005-02-28 | 2010-03-31 | 新日本非破壊検査株式会社 | Ultrasonic measuring device |
| CN102650619A (en) * | 2006-06-13 | 2012-08-29 | 住友金属工业株式会社 | Ultrasonic flaw detecting method, manufacturing method for welded steel pipe, and ultrasonic flaw detecting apparatus |
| CN103983696A (en) * | 2014-05-30 | 2014-08-13 | 北京隆盛泰科石油管科技有限公司 | Water column coupling monitoring device for automatic ultrasonic detection for steel tube welding joint and design method of device |
| CN205927495U (en) * | 2016-08-15 | 2017-02-08 | 东莞市盛合超声波科技有限公司 | Ultrasonic welding institution |
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2017
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4139198B2 (en) * | 2002-11-26 | 2008-08-27 | 日本鉄塔工業株式会社 | Inspection and measurement equipment for steel pipe structures |
| JP4441421B2 (en) * | 2005-02-28 | 2010-03-31 | 新日本非破壊検査株式会社 | Ultrasonic measuring device |
| CN102650619A (en) * | 2006-06-13 | 2012-08-29 | 住友金属工业株式会社 | Ultrasonic flaw detecting method, manufacturing method for welded steel pipe, and ultrasonic flaw detecting apparatus |
| JP2009097989A (en) * | 2007-10-17 | 2009-05-07 | Nippon Kogyo Kensa Kk | Probe moving apparatus |
| CN103983696A (en) * | 2014-05-30 | 2014-08-13 | 北京隆盛泰科石油管科技有限公司 | Water column coupling monitoring device for automatic ultrasonic detection for steel tube welding joint and design method of device |
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