CN103899921A - Ultrasonic guided-wave probe fixing device for pipeline detection - Google Patents
Ultrasonic guided-wave probe fixing device for pipeline detection Download PDFInfo
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- CN103899921A CN103899921A CN201410081585.4A CN201410081585A CN103899921A CN 103899921 A CN103899921 A CN 103899921A CN 201410081585 A CN201410081585 A CN 201410081585A CN 103899921 A CN103899921 A CN 103899921A
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Abstract
The invention discloses an ultrasonic guided-wave probe fixing device for pipeline detection. The ultrasonic guided-wave probe fixing device comprises a plurality of probe units, an open flexible ring band and fast tightening buckles. One ends of the probe units are respectively fixed to the inner side of the open flexible ring band, the other ends of the probe units abut against the periphery of a detected pipeline, and the two ends of the open flexible ring band are connected through the fast tightening buckles to form a ring. Each probe unit comprises a plurality of excitation probes, a receiving probe and a probe mounting seat, the open flexible ring band comprises an lining layer, an air bag and an outer coating layer, the lining layer is arranged between the lower side of the air bag and the probe mounting seats, and the outer coating layer coats the upper side of the air bag. Elastic pin transverse holes in rows are longitudinally formed in the lower sides of the probe mounting seats, the distance between the excitation probes can be adjusted, and the detection effect is improved. Reliable guarantees are provided for the mechanical coupling of the excitation probes, the receiving probes and the detected pipeline through the aerated air bag. The modular structure is adopted by the probe units, and serialized popularization and application are facilitated.
Description
Technical field
The present invention relates to the cannot-harm-detection device of a kind of pipeline, particularly a kind of probe apparatus that adopts ultrasonic guided wave detecting large-diameter pipeline defect, belongs to technical field of nondestructive testing.
Background technique
It is the important way that fluid is carried that pipeline is carried, especially bringing into play irreplaceable effect at aspects such as oil, chemical industry, rock gas, town water supplies, but, because the long-term pipe damage that uses wearing and tearing, corrosion or the unexpected injury etc. that cause to cause is to cause pipe leakage main cause, bring great harm to the country and people's property and safety, in order to reduce, until avoid the generation of this type of harm, the safety detection of pipeline is particularly important.
At present, the conventional method of pipeline non-destructive inspection mainly contains: ultrasonic, ray, magnetic, eddy current and infiltration technology, but these detection techniques all must detect in pointwise, and detection speed is slow, and efficiency is low, and the industrial pipeline of inapplicable long distance detects.And supersonic guide-wave technology has overcome aforesaid drawbacks to a great extent, have along path of propagation decay little, the feature that propagation length is far away, and the signal receiving carries the information of the pipeline entirety from point of excitation to acceptance point, can detect online long distance, topping up and the pipeline with clad, long with the obvious advantage apart from the online context of detection of industrial pipeline.
Pipe ultrasonic guided wave probe fixing device is the important component part of pipe ultrasonic detection facility, roughly be divided into two kinds of different devices of structural type of probe flexible fixing device and rigid fixation means for the pipeline probe fixing device of ultrasound detection, these two kinds of devices are all the good contacts by guarantee probe and tube wall by the mode of external force, thereby guarantee the mechanical coupling performance of ultrasonic probe and tested pipeline.Chinese patent CN2624208 " pipe ultrasonic guided wave detects dedicated probe and fixing device thereof " is a kind of rigid fixation means, multiple probes are evenly arranged in a circumferential direction, the structure of employing screw extruding probe is to guarantee the coupling effect of probe and pipeline outer wall, but this fixing device is heavier, generally be only applicable to the small diameter pipeline that outer diameter tube is less than 6 inches, and manufacture complexity, technological requirement is higher, and extensibility is poor.The industrial pipeline that is greater than 6 inches for external diameter, conventionally adopt flexible fixture static probe, the airbag structure pushing by inflation as Chinese patent CN202066839 U " flexible probe ring for pipeline guided wave detection system " makes the uniform stressed of popping one's head in, but multiple probe module seats of this flexible probe ring are separately fixed on steel ring, flexible probe ring is heavier, use inconvenient, cost is higher, when installing/dismounting, signaling line attachment unit interface repeatedly plugs rear easily loosening, cause signal to transmit unreliable, affect the normal use of flexible probe ring.
Summary of the invention
The pipe ultrasonic guided wave probe fixing device that the present invention proposes a kind of compact structure, light, mechanical coupling is effective, the lengthwise position of probe can regulate.
The present invention is achieved by the following technical programs:
A kind of ultrasonic probe fixing device for pipe detection, comprise multiple contact units, opening flexible circumferential and strain fast snap close, the multiple contact units one end that circularizes arrangement is separately fixed on opening flexible circumferential inner side, multiple contact unit the other ends are resisted against respectively on detected pipeline outer circumferential face, and described opening flexible circumferential two ends are linked and are connected into annular by quick Strain lock, described contact unit comprises several incentive probes, a receiving transducer and the fitting seat of popping one's head in, and incentive probe and receiving transducer are all elongated, and the longitudinal two ends of probe step on long strip top stretch out, the bar shaped box that described probe fitting seat is bottom opening, several incentive probes and a receiving transducer are embedded in respectively in probe fitting seat cavity side by side, the downside groove both sides Spielpassung of probe step both sides and probe fitting seat cavity, wherein, several incentive probes are positioned at longitudinal one end of probe fitting seat cavity side by side, a receiving transducer is positioned at longitudinal the other end of probe fitting seat cavity, several incentive probe upsides and a receiving transducer upside respectively with point thunder not joint input end be connected, several incentive probes and receiving transducer respectively the resilient key supporting and location by being positioned at the step of popping one's head in separately longitudinal two ends downside and pass across probe fitting seat at probe fitting seat, described opening flexible circumferential comprises inside liner, air bag and surrounding layer, and described inside liner is between air bag downside and probe fitting seat upside, and surrounding layer is coated air bag upside, and inside liner dual-side is bent inwardly to respectively inside liner ring limit, the multiple special attachment screw lower end of in a row arranging, respectively successively through inside liner ring limit and surrounding layer edge, is fixedly connected with probe fitting seat, and multiple special attachment screws upper end is locked on surrounding layer by lock washer respectively, two total thunders not joint are fixed on fitting seat side by side, and described fitting seat is fixed on probe fitting seat, be connected with the resultant signal line being arranged in inside liner ring limit respectively by clamped nipple from point thunder sub-signal line that joint output terminal is not drawn, described resultant signal end respectively with two total thunders not joint input end be connected, two the total thunders not output terminal of joint lead to respectively detector.
Object of the present invention can also further realize by following technical measures.
The aforesaid ultrasonic probe fixing device for pipe detection, the downside groove of wherein said probe fitting seat is longitudinally provided with resilient key cross-drilled hole in a row; Described probe fitting seat adopts nylon material to make.
The aforesaid ultrasonic probe fixing device for pipe detection, wherein said inside liner and surrounding layer all adopt through the flameproof textile of the glass fibre material of silica gel dipping or frictioning processing and make.
The aforesaid ultrasonic probe fixing device for pipe detection, wherein said air bag is made up of rubber material, and air bag intermediate portion is inflatable region, and two end portions is non-inflatable area.
The aforesaid ultrasonic probe fixing device for pipe detection, wherein said resilient key one end is annular hollow body, has several axial grooves in described annular hollow body, described annular hollow body outer end circumferential edge evagination.
Make because probe fitting seat adopts non-metallic material, make opening flexible circumferential total quality of the present invention lighter, carry, easy to use.The banks of elastic pin cross-drilled hole that the downside groove of probe fitting seat longitudinally arranges, can be for regulating the distance between incentive probe, and improvement detects effect.The present invention adopts probe step both sides and structure and the probe longitudinal two ends of step of the downside groove both sides Spielpassung of probe fitting seat cavity to pass through respectively the structure of resilient key supporting and location in probe fitting seat, and incentive probe and receiving transducer are connected and fixed reliably.The resilient key of edge evagination annular hollow body inserts in the resilient key cross-drilled hole of probe fitting seat, can make both stable connections reliable.The air bag of inflation provides reliable assurance to the mechanical coupling of incentive probe probe, receiving transducer and tested pipeline.Contact unit adopts modular construction, is convenient to change probe and is also convenient to seriation propagation and employment.Increase or reduce the quantity that is fixed on contact unit in flexible circumferential, to be applicable to detect the pipe detection of different tube diameters.
Advantage and disadvantage of the present invention, by for illustration and explanation the non-limitative illustration by preferred embodiment below, these embodiments, only provide as an example with reference to accompanying drawing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is that the A-A of Fig. 1 analyses and observe rotation enlarged view;
Fig. 3 is that the B-B of Fig. 1 analyses and observe rotation enlarged view;
Fig. 4 is the C-C amplification view of Fig. 2;
Fig. 5 is the longitudinal sectional view of probe fitting seat;
Fig. 6 is the plan view of air bag;
Fig. 7 is the plan view of inside liner;
Fig. 8 is the plan view of surrounding layer;
Fig. 9 is the zoomed-in view of resilient key.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Fig. 1～Fig. 6, the present embodiment is pipeline 4 ultrasonic guided wave detecting of Φ 168mm for external diameter, comprise that 20 circularize contact unit 1, the opening flexible circumferential 2 of arrangement and strain fast snap close 3,20 contact unit 1 one end that circularize mark " 1 "～" 20 " of arrangement are separately fixed on opening flexible circumferential 2 inner sides, and 20 contact unit 1 the other ends are resisted against respectively on detected pipeline 4 outer circumferential faces.Contact unit 1 comprises 11,1 receiving transducer 12 of 2 incentive probes and probe fitting seat 13, and incentive probe 11 and receiving transducer 12 are all elongated, and the probe step 111 on long strip top extends to longitudinal two ends.The bar shaped box that probe fitting seat 13 is bottom lock, 11 and 1 receiving transducer 12 of 2 incentive probes is embedded in respectively in probe fitting seat cavity 131 side by side, the downside groove 132 both sides Spielpassung of probe step 111 both sides and probe fitting seat cavity 131, wherein, 2 incentive probes 11 are positioned at longitudinal left end of probe fitting seat cavity 131 side by side, 1 receiving transducer 12 is positioned at longitudinal right-hand member of probe fitting seat cavity 131, 2 incentive probe 11 upsides and 1 receiving transducer 12 upside respectively the mode by socket connection and point thunder not joint 5 input ends be connected, 2 incentive probes 11 and a receiving transducer 12 are respectively by being positioned at resilient key 6 supporting and locations of popping one's head in separately the longitudinal two ends downside of step 111 and pass across probe fitting seat 13 at probe fitting seat 13.The probe fitting seat 13 that nylon material is made is fixed in flexible circumferential 2, and oeverall quality is lighter, is easy to carry, easy to use.Probe fitting seat 13 downside grooves 132 are longitudinally provided with resilient key cross-drilled hole 133 in a row, in probe fitting seat 13,2 incentive probe 11 upsides and 1 receiving transducer 12 are respectively by being positioned at resilient key 6 supporting and locations of resilient key cross-drilled hole 133 of popping one's head in separately the longitudinal two ends downside of step 111 and pass across probe fitting seat 13 at the fitting seat 13 of popping one's head in.
As shown in Fig. 2, Fig. 3 and Fig. 5, the multiple resilient key cross-drilled holes 133 that longitudinally set in a row at the downside groove 132 of probe fitting seat 13, the incentive probe 11 that can be used to adjust " B " mark is in the lengthwise position of popping one's head in fitting seat 13.When adjustment, first resilient key 6 is extracted, then behind the new position incentive probe 11 of " B " mark being moved to, then resilient key 5 is injected to the firmly incentive probe 11 of " B " mark of new resilient key cross-drilled hole 133 inner supports again, can improve the detection effect of supersonic guide-wave.
As shown in Figure 9, resilient key 5 one end are annular hollow body, in described annular hollow body, have several axial grooves 61, annular hollow body outer end circumferential edge evagination 62, in the time that resilient key 6 inserts resilient key cross-drilled hole 133, the resiliently deformable of several axial groove 61 terminations provides stiction larger between resilient key 6 and resilient key cross-drilled hole 133, makes resilient key 6 more reliable with being connected of probe fitting seat 13.
As shown in Fig. 1～Fig. 8, opening flexible circumferential 2 two ends connect into annular by quick tension snap close 3, opening flexible circumferential 2 comprises inside liner 21, air bag 22 and surrounding layer 23, inside liner 21 and surrounding layer 23 all adopt through the flameproof textile of the glass fibre material of silica gel dipping or frictioning processing and make, not only gently but also firm.Inside liner 21 is between air bag 22 downsides and probe fitting seat 13 upsides, and surrounding layer 23 is coated air bag 22 upsides.Air bag 22 is made up of rubber material, can adapt to-10 ℃～80 ℃ working environments.Air bag 22 is annular opening structure, and centre is inflatable region 221, and the non-inflatable area 222 of one section of special processing is respectively left at two ends; Be built-in with valve 223 in inflatable region 221.The both sides of the edge of inside liner 21 and surrounding layer 23 are provided with respectively the multiple through holes 211 that pass for screw, and described through hole 211 edges rivet with tubular-shank rivet, are convenient to screw and pass.Inside liner 21 dual-sides are bent inwardly to respectively inside liner ring limit 212, and lower through-hole 211 is overlapped, and inside liner ring limit 212 can be protected through the signal cable in it.On surrounding layer 23, be also provided with perforation 231, the valve 223 of being convenient on the air bag 22 under it passes surrounding layer 23.Multiple special attachment screw 7 lower ends of in a row arranging, respectively successively through inside liner ring limit 212 and surrounding layer 23 edges, are fixedly connected with probe fitting seat 13, and multiple special attachment screw 7 upper ends are locked on surrounding layer 23 by lock washer 71 respectively.Air bag 22 is inflated to air pressure and reaches 0.15MPa, makes incentive probe 11 and receiving transducer 12 closely paste detected pipeline 4 and closes its mechanical coupling performance of assurance.
As shown in FIG. 1 to 3,2 incentive probe 11 upsides and 1 receiving transducer 12 upside respectively with point thunder not joint 5 input ends be connected.Two total thunders not joint 8 are fixed on fitting seat 9 side by side, and described fitting seat 9 is fixed on probe fitting seat 13 by fastening screw trip bolt 10.Point thunder two-way sub-signal line 8 that joint 5 output terminals are not drawn being connected with 2 incentive probes 11 is connected with the resultant signal line 100 being arranged in inside liner ring limit 212 by the four-core clamped nipple 20 in left side, point thunder being connected with 1 receiving transducer 12 not joint 5 output terminals is drawn Yi road sub-signal line 8 and is connected with the resultant signal line 100 being arranged in inside liner ring limit 212 by the two core clamped nipples 30 on right side, 100 two terminations of resultant signal line respectively with two total thunders not joint 8 input ends be connected, two the total thunders not output terminal of joint 8 lead to detector by output signal line 101 respectively.
In addition to the implementation, the present invention can also have other mode of executions, and all employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop in the protection domain of requirement of the present invention.
Claims (6)
1. the ultrasonic probe fixing device for pipe detection, it is characterized in that: comprise multiple contact units, opening flexible circumferential and strain fast snap close, the multiple contact units one end that circularizes arrangement is separately fixed on opening flexible circumferential inner side, multiple contact unit the other ends are resisted against respectively on detected pipeline outer circumferential face, and described opening flexible circumferential two ends are linked and are connected into annular by quick Strain lock, described contact unit comprises several incentive probes, a receiving transducer and the fitting seat of popping one's head in, and incentive probe and receiving transducer are all elongated, and the longitudinal two ends of probe step on long strip top stretch out, the bar shaped box that described probe fitting seat is bottom opening, several incentive probes and a receiving transducer are embedded in respectively in probe fitting seat cavity side by side, the downside groove both sides Spielpassung of probe step both sides and probe fitting seat cavity, wherein, several incentive probes are positioned at longitudinal one end of probe fitting seat cavity side by side, a receiving transducer is positioned at longitudinal the other end of probe fitting seat cavity, several incentive probe upsides and a receiving transducer upside respectively with point thunder not joint input end be connected, several incentive probes and receiving transducer respectively the resilient key supporting and location by being positioned at the step of popping one's head in separately longitudinal two ends downside and pass across probe fitting seat at probe fitting seat, described opening flexible circumferential comprises inside liner, air bag and surrounding layer, and described inside liner is between air bag downside and probe fitting seat upside, and surrounding layer is coated air bag upside, and inside liner dual-side is bent inwardly to respectively inside liner ring limit, the multiple special attachment screw lower end of in a row arranging, respectively successively through inside liner ring limit and surrounding layer edge, is fixedly connected with probe fitting seat, and multiple special attachment screws upper end is locked on surrounding layer by lock washer, two total thunders not joint are fixed on fitting seat side by side, and described fitting seat is fixed on probe fitting seat, be connected with the resultant signal line being arranged in inside liner ring limit respectively by clamped nipple from point thunder sub-signal line that joint output terminal is not drawn, described resultant signal end respectively with two total thunders not joint input end be connected, two the total thunders not output terminal of joint lead to detector by output signal line by output signal line respectively.
2. the ultrasonic probe fixing device for pipe detection as claimed in claim 1, is characterized in that: the downside groove of probe fitting seat is longitudinally provided with resilient key cross-drilled hole in a row.
3. the ultrasonic probe fixing device for pipe detection as claimed in claim 1, is characterized in that: described probe fitting seat adopts nylon material to make.
4. the ultrasonic probe fixing device for pipe detection as claimed in claim 1, is characterized in that: described inside liner and surrounding layer all adopt through the flameproof textile of the glass fibre material of silica gel dipping or frictioning processing and make.
5. the ultrasonic probe fixing device for pipe detection as claimed in claim 1, is characterized in that: described air bag is made up of rubber material, and air bag intermediate portion is inflatable region, and two end portions is non-inflatable area.
6. the ultrasonic probe fixing device for pipe detection as claimed in claim 1, is characterized in that: described resilient key one end is annular hollow body, has several axial grooves in described annular hollow body, described annular hollow body outer end circumferential edge evagination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410081585.4A CN103899921B (en) | 2014-03-07 | 2014-03-07 | Ultrasonic probe fixing device for pipe detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410081585.4A CN103899921B (en) | 2014-03-07 | 2014-03-07 | Ultrasonic probe fixing device for pipe detection |
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| CN103899921A true CN103899921A (en) | 2014-07-02 |
| CN103899921B CN103899921B (en) | 2017-01-04 |
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| CN201410081585.4A Expired - Fee Related CN103899921B (en) | 2014-03-07 | 2014-03-07 | Ultrasonic probe fixing device for pipe detection |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104749258A (en) * | 2015-03-19 | 2015-07-01 | 暨南大学 | Ultrasonic guided-wave probe array fixing device used for tube fitting detection |
| CN105021709A (en) * | 2015-07-22 | 2015-11-04 | 杭州电子科技大学 | Pipeline ultrasonic longitudinal guided wave flexible array detection probe apparatus |
| CN105258659A (en) * | 2015-11-10 | 2016-01-20 | 中国特种设备检测研究院 | An implantable pipeline corrosion on-line monitoring electromagnetic ultrasonic sensor |
| CN107389799A (en) * | 2017-08-14 | 2017-11-24 | 东莞理工学院 | Flexible failure detector for ultrasonic guided wave detecting |
| CN109342434A (en) * | 2018-11-30 | 2019-02-15 | 大连德欣新技术工程有限公司 | Vehicle emission measurement system and method |
| CN110469780A (en) * | 2019-07-26 | 2019-11-19 | 中国石油天然气集团公司管材研究所 | The installation of reducing sensor and protection location and device for the monitoring of more specification pipelines |
| CN111551629A (en) * | 2020-06-02 | 2020-08-18 | 爱德森（厦门）电子有限公司 | Array type eddy current detection probe with hydraulic adjusting device and detection method thereof |
| CN116223440A (en) * | 2023-05-08 | 2023-06-06 | 四川威斯派克科技有限公司 | Near infrared detection device for tobacco raw material proportioning |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104749258A (en) * | 2015-03-19 | 2015-07-01 | 暨南大学 | Ultrasonic guided-wave probe array fixing device used for tube fitting detection |
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| CN105021709A (en) * | 2015-07-22 | 2015-11-04 | 杭州电子科技大学 | Pipeline ultrasonic longitudinal guided wave flexible array detection probe apparatus |
| CN105021709B (en) * | 2015-07-22 | 2017-10-27 | 杭州电子科技大学 | A kind of Pipes Using Ultrasonic Longitudinal Guided-Wave flexible array detection probe device |
| CN105258659A (en) * | 2015-11-10 | 2016-01-20 | 中国特种设备检测研究院 | An implantable pipeline corrosion on-line monitoring electromagnetic ultrasonic sensor |
| CN105258659B (en) * | 2015-11-10 | 2018-04-17 | 中国特种设备检测研究院 | Implanted corrosive pipeline monitors electromagnetic ultrasonic transducer on-line |
| CN107389799A (en) * | 2017-08-14 | 2017-11-24 | 东莞理工学院 | Flexible failure detector for ultrasonic guided wave detecting |
| CN109342434A (en) * | 2018-11-30 | 2019-02-15 | 大连德欣新技术工程有限公司 | Vehicle emission measurement system and method |
| CN109342434B (en) * | 2018-11-30 | 2024-02-06 | 大连德欣新技术工程有限公司 | Tail gas detection system and method |
| CN110469780A (en) * | 2019-07-26 | 2019-11-19 | 中国石油天然气集团公司管材研究所 | The installation of reducing sensor and protection location and device for the monitoring of more specification pipelines |
| CN111551629A (en) * | 2020-06-02 | 2020-08-18 | 爱德森（厦门）电子有限公司 | Array type eddy current detection probe with hydraulic adjusting device and detection method thereof |
| CN116223440A (en) * | 2023-05-08 | 2023-06-06 | 四川威斯派克科技有限公司 | Near infrared detection device for tobacco raw material proportioning |
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