CN105158336A - Multifunctional ultrasonic phased array pipeline circumferential weld detection equipment - Google Patents
Multifunctional ultrasonic phased array pipeline circumferential weld detection equipment Download PDFInfo
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- CN105158336A CN105158336A CN201510644680.5A CN201510644680A CN105158336A CN 105158336 A CN105158336 A CN 105158336A CN 201510644680 A CN201510644680 A CN 201510644680A CN 105158336 A CN105158336 A CN 105158336A
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- flaw detection
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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
- G01N29/262—Arrangements for orientation or scanning by relative movement of the head and the sensor by electronic orientation or focusing, e.g. with phased arrays
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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
- G01N2291/10—Number of transducers
- G01N2291/106—Number of transducers one or more transducer arrays
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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
- G01N2291/267—Welds
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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
- G01N2291/267—Welds
- G01N2291/2675—Seam, butt welding
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention provides multifunctional ultrasonic phased array pipeline circumferential weld detection equipment which comprises a main body, a magnetic pressure wheel mechanism, an auxiliary support, a fastening device, a left flaw detection probe bracket, a right flaw detection probe bracket, a left flaw detection probe and a right flaw detection probe, wherein the main body comprises a base, a first slide bar, a second slide bar, a slide bar jackscrew, a left slide bar connecting rack, a right slide bar connecting rack, magnetic wheels and an axle; the fastening device is used for fastening the main body on a pipeline to-be-detected; the magnetic pressure wheel mechanism is arranged between the first slide bar and the second slide bar; the auxiliary support is connected with the first slide bar and the second slide bar of the main body; the flaw detection probe brackets are connected with the flaw detection probes and help the flaw detection probes to detect a weld joint of the pipeline to be detected. The equipment can rotate around the flaw detection pipeline smoothly during pipeline circumferential weld detection, thereby preventing impact of accidental conditions such as vibration on the detection effect, enlarging the application range of the equipment, and improving the flaw detection sensitivity and the detection efficiency.
Description
Technical field
The present invention relates to pipeline inspection technical field, particularly a kind of multifunction supersonic phased array pipeline girth weld checkout equipment.
Background technology
At present in the installation of refinery device, large heavy wall, Large Diameter Pipeline pressure pipeline butt girth welding seam Non-Destructive Testing quantities are increasing; Adopt A type pulse ultrasonic wave to detect, Flaw display is directly perceived, can not display defect shape, and testing result and defectoscopy are affected by human factors greatly, and defects detection evaluates poor repeatability; X ray is adopted to detect more and more difficult even can not detection (penetration power is not enough); Adopt gamma-rays detect security protection tired can (some place do not allow use), detection time is long, detection time is limited, the half life period is short, thus not only cost is high, sensitivity is low, detection efficiency is low, seriously governs the factors such as duration of a project, quality, safety.Expect there is a kind of novel detection method that can overcome above-mentioned detection shortcoming.
Ultrasonic phased array technology: phasedarray english abbreviation PA, at field of non destructive testing, is a kind of senior conventional ultrasound detection technique.The principle utilizing similar phased-array radar, sonar and other wave physics to apply, being that a kind of time by electron excitation is different and change the technology of probe performance, is also a kind of method of scanning and imaging.Especially the application in Welded Joints (comprising dull and stereotyped docking, the docking of T angle, the docking of Y angle etc.) weld seam detection has unique advantage, and this is that the detection methods such as TOFD, RT cannot realize.Effectively can detect the various planar defect in welding joint and volume flaw.Testing result shows with image format, and for defect location, quantitative, qualitative, defining the level provides abundant information.
Wherein, ultrasonic phase array is the combination of ultrasonic probe wafer, arranged evenly according to certain rules by multiple piezoelectric chip, then successively each wafer is excited by prespecified time delay, the ultrasound wave that all wafers is launched forms an overall wavefront, effectively can control shape and the direction of launching supersonic beam (wave front), hyperacoustic beam scanning, deflection and focusing can be realized
In emission process, trigger pip is sent to phased array controller by defectoscope.Signal is transformed into specific high electric field pulse by phased array controller, and pulse width presets, and time delay is then defined by focusing rule.Each wafer receives only an electric pulse, and the ultrasonic beam produced so just has certain angle, and focuses on certain depth.This acoustic beam runs into defect and namely reflects; After receiving echoed signal, collectiong focusing rule conversion time pressed by phased array controller, and converges together by these signals, forms a pulse signal, is sent to defectoscope; Through Digital Control software simulating signal changed into the numerical information and display of being convenient to computer measurement.
But existing scanner is only suitable for container butt-weld and detects, there is the following aspects to be not suitable for the larger Sizing In Butt Welded Pipes of curvature and detect.One, the horizontal magnet-wheel spacing of scanner is comparatively large, is not suitable for the adjustment of curvature on a large scale; Its two, probe bracket upper and lower displacement is less, is not suitable for elbow, threeway, concentric reducer and the scanning of straight tube butt girth welding seam; Its three, probe voussoir be not suitable for more greatly elbow welded junction detect; Its four, for the detection of diameter at the straight tube butt girth welding seam of φ 159 ~ φ 1100mm, the said equipment is just very inconvenient; Its five, the detection of elbow, threeway, concentric reducer and straight tube being welded to butt girth welding seam is helpless.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of multifunction supersonic phased array pipeline girth weld checkout equipment, this equipment is carry out in pipeline girth weld testing can around flaw detection pipeline smooth rotation, solve simultaneously rapidly tube reducing pipeline inspection time, checkout equipment such as effectively cannot to fix at the problem; This equipment has applied widely, good stability, flaw detection sensitivity advantages of higher.
In order to realize the object solved the problems of the technologies described above, present invention employs following technical scheme:
A kind of multifunction supersonic phased array pipeline girth weld checkout equipment, for coordinating the sonic flaw detection instrument being provided with flaw detection probe to detect a flaw to pipeline girth weld, it is characterized in that: comprise main body, magnetic force pressing wheel mechanism, auxiliary stand, fastener, left and right flaw detection probe bracket, left and right flaw detection probe;
Described main body comprises pedestal, the first slide bar, the second slide bar, slide bar jackscrew, left and right slide bar hitch, magnetic wheel and wheel shaft; Described base interior hollow, pedestal side is provided be parallel to each other the first through slide opening and the second slide opening; First slide bar is arranged in the first slide opening; Second slide bar is arranged in the second slide opening, and inner side is provided with moving tooth; Pedestal is positioned at above the first slide opening and/or the second slide opening and is provided with the top wire hole through with slide opening, is provided with slide bar jackscrew, for holding out against slide bar in top wire hole; Described left and right slide bar hitch is equipped with two corresponding with the first slide bar and the second slide bar respectively the 3rd slide openings; First slide bar and the second slide bar are each passed through two the 3rd slide openings on slide bar hitch, and main body is connected with slide bar hitch; Slide bar hitch both sides are also provided with two the second top wire holes and two the second jackscrews that connect with the 3rd slide opening respectively, for holding out against the first slide bar and the second slide bar;
Pedestal is provided with adjusting knob, is connected with the adjusting gear be meshed with the moving tooth inside the second slide bar below adjusting knob, rotates adjusting knob and can drive the second sliding bar by adjusting gear; Two groups of magnetic wheels are arranged on both sides below pedestal respectively by two wheel shafts, and two wheel shafts are all parallel with the first slide bar; Wherein a wheel shaft is provided with wheel axle gear, and the pedestal above this wheel shaft is provided with hand gear, and described hand gear side is provided with transmitting gear, and it is engaged with wheel axle gear by transmitting gear, rotates hand gear and magnetic wheel can be driven to rotate; Slide bar web member connects one end of the first slide bar and the second slide bar, and the first slide bar and the second slide bar are slided simultaneously; Two flaw detection probe brackets are symmetricly set on the other end of the first slide bar and the second slide bar, for connecting flaw detection probe; Like this, can, by stirring hand gear, magnetic wheel be rotated, band moving base and whole pipeline girth weld checkout equipment move;
Described magnetic force pressing wheel mechanism is arranged between outer the first slide bar away from pedestal one end of left and right slide bar hitch and the second slide bar, comprises magnetic wheel, wheel shaft, wheel carrier, brace, spring loop bar, spring, nut, slide bar brace; Wheel carrier is inverted U structure, and its both sides, lower end are equipped with pin-and-hole; Be provided with axis hole in the middle part of magnetic wheel, magnetic wheel is arranged in wheel carrier, and magnetic wheel is connected with wheel carrier with the axis hole of magnetic wheel through the pin-and-hole of wheel carrier by wheel shaft; Brace one end is provided with can through the through hole of spring loop bar, other end bolt hole; Spring loop bar is vertically set on wheel top of the trellis, and is fixed on wheel carrier top through the through hole of brace, and spring loop bar upper end is provided with thread segment; Nut is arranged on thread segment; Spring housing is located on spring loop bar, and between brace and nut; Slide bar brace two ends are connected with the first slide bar and the second slide bar respectively; Slide bar brace is provided with the bolt hole identical with brace one end, and the bolt hole of slide bar brace and brace is bolted;
Like this, spring is made to be in compressive state by setting nut, then spring can apply downward acting force by brace to slide bar, and then downward acting force is applied to pick-up unit, thus prevent because occurring trembling, producing gap and affect flaw detection effect between the flaw detection probe of pipeline girth weld pick-up unit and pipe under test;
First slide bar and second slide bar of described auxiliary stand and main body are connected, and comprise two connection postings, two connecting links and four hold out against knob; Described connection posting is rectangular parallelepiped framework, and the left and right side frame of rectangular parallelepiped framework is symmetrically arranged with many groups through hole coordinated with connecting link in correspondence with each other from top to bottom; Connecting link is separately positioned in the corresponding through hole of two connection postings; Connect on the lateral surface of posting left and right and be provided with threaded hole, holding out against knob and be arranged in threaded hole, for holding out against connecting link, preventing connecting link from relatively connecting posting displacement;
Described connecting link external diameter is identical with the second slide bar with the first slide bar, and the first slide bar and the second slide bar are arranged in corresponding through hole according to pipeline location to be detected; Like this, when carrying out carrying out flaw detection, not moving the whole pick-up unit fixed, not only can detect the weld seam of different length position, also by adjusting the first slide bar with the second slide bar being connected the height and position in posting two side through hole, weld seam detection is carried out to tube reducing pipeline;
Described left and right flaw detection probe bracket includes voussoir holder, bracket holder, slide plate and slide rail; Bracket holder is fixed on slide bar hitch; Slide rail is arranged in bracket holder, and slide plate is connected with slide rail and can slides up and down on slide rail; Two ends, slide plate top are equipped with the first spring be connected with bracket holder; Voussoir holder is connected with slide plate lower end, for clamping voussoir;
Described flaw detection probe comprises voussoir, ultrasonic phase array generator;
Described voussoir comprises trapezoidal block, damping block, two water injection pipes, balls; Described trapezoidal block bottom surface is arcwall face, one side is provided with two connecting holes be connected with ultrasonic phase array generator for voussoir with several for the mounting hole being installed into water pipe, be provided with multiple waterflood path below mounting hole, two water injection pipes are arranged in two mounting holes respectively; Arcwall face is provided with at least four ball mounting holes, and waterflood path end passes into arcwall face and forms apopore; Described ball is arranged in ball mounting hole; On described trapezoidal block, another side is provided with for damping block mounting groove, and damping block is arranged in mounting groove; Ultrasonic phase array generator is fixed on voussoir prism; Voussoir is fixed on voussoir holder;
Described fastener is for being fastened on pipe under test by main body;
Described fastener comprises the chain link of regulating device and multiple mutual hook; Described regulating device comprises the first web member, the second web member, adjuster bar and the second spring; Described first web member comprises hook framework, left and right first roller, grips frame, the first bearing pin; One end of hook framework is provided with two hooks, and the other end is fixed on by turning axle and grips frame bottom, and left and right first roller is arranged on the both sides of the bottom gripping frame, and the first bearing pin is arranged on the middle part gripping frame; Through hole is provided with in the middle part of first bearing pin; Described second web member comprises hook mechanism, left and right second roller, the second bearing pin; One end of hook mechanism is provided with two hooks, and the both sides of the other end are provided with left and right the second roller; Second bearing pin is arranged on above the second roller of hook mechanism, is provided with threaded hole in the middle part of the second bearing pin; One end of described adjuster bar is provided with expansion-head, and the other end is provided with thread segment; Adjuster bar, through the through hole of the first bearing pin, is arranged in the threaded hole of the second bearing pin by thread segment; Described second spring housing is located on adjuster bar, between expansion-head and the first bearing pin;
Described chain link comprises chain link framework, the 3rd roller, the 3rd bearing pin, one end of chain link framework is provided with two hooks, 3rd bearing pin is arranged on the other end of chain link framework, 3rd roller is arranged on the middle part of the 3rd bearing pin, the two ends of the 3rd bearing pin are provided with stop part, are connecting portion between the stop part of the 3rd bearing pin and chain link framework; One in the hook of the first web member, the second web member connecting portion being hooked on a chain link, another is hooked on the wheel shaft of main body side, and the hook of this chain link is hooked on the connecting portion of other chain links or is hooked on the wheel shaft of main body opposite side.
Concrete: described fastener is furnished with the chain link of different length.
Concrete: be equipped with hoodle inside the hook of described first web member, the second web member and chain link.When hook hook bearing pin, hoodle is clamp-oned hook inwall through hoodle position by bearing pin, and bearing pin is behind hoodle position, and hoodle is automatic spring again; Arranging hoodle is stability in order to strengthen when hook is hooked on other bearing pins, and hook and bearing pin are not easily departed from.
Concrete: the trapezoidal block material of described voussoir is organic glass.
Concrete: described ball protrudes arcwall face 1-4mm.
Concrete: described ball mounting hole is arranged on four bights of arcwall face.
Concrete further, be also provided with two groups, front and back cogwheel gearing, water inlet shunt, a position coder in described pedestal; Front group of cogwheel gearing, is connected with the magnet pulley of front end and position coder; Rear group of cogwheel gearing, is connected with the magnet pulley of rear end; Entrance water source is diverted to the porch on two probe voussoirs by water inlet shunt; Position coder is in order to record the distance of magnet pulley movement.
Concrete further, described water inlet shunt is made up of an import and two outlets, an entrance water source is diverted to the porch on two probe voussoirs.
Concrete further, be also provided with slide bar left and right moving control device in described pedestal, in slide bar left and right moving control device, have gear to connect moving tooth inside the second slide bar, control slide bar displacement.
Concrete, the thickness of described connection posting should ensure the stability of whole support.
Concrete, described through hole and connecting link are wringing fit.
Ball described in this patent, damping block, be prior art.
Using method: first by fastener, pipeline girth weld checkout equipment is fastened in pipe under test, be specially: by estimating the diameter of pipe under test, utilize the chain pitch chain that the link set of different length becomes to be of convenient length, first the hook of the first web member of regulating device is hooked on the wheel shaft of the side of main body, the hook of the second web member is hooked on the 3rd bearing pin of a chain link of chain link chain tail end, and the hook of another chain link of chain link chain head end is hooked on the wheel shaft of the opposite side of main body; Then rotation adjusting lever, the position of thread segment in the threaded hole of the second bearing pin of adjustment adjuster bar, reach the effect of the spacing of adjustment first web member and the second web member, also the object of the length of fine setting abridged edition auxiliary fixing device is reached, pipeline girth weld checkout equipment is steadily fixed in pipe under test by this fastener, and keeps suitable roller and the pressure of pipeline; When pipeline girth weld checkout equipment needs to carry out seam inspection work around pipe under test, the roller that this auxiliary fixing device is arranged will slide thereupon, still can ensure the steady laminating between pipeline girth weld checkout equipment and pipe under test, be conducive to the reliability improving pipeline girth weld checkout equipment Effect on Detecting; And the spring be arranged between the expansion-head of adjuster bar and the first bearing pin, ensure that this device has certain elastic length surplus, be convenient to pipeline girth weld checkout equipment and move around pipe under test.
Then voussoir is moved to pipe under test girth joint position, be specially: rotate adjusting knob, because slide bar web member connects one end of the first slide bar and the second slide bar, then adjusting knob drives the first slide bar and the second slide bar to slide simultaneously, thus flaw detection probe bracket is moved horizontally with the first slide bar and the second slide bar, stop when the voussoir be connected with the voussoir holder of flaw detection probe bracket covers the position while welding of pipe under test; Now tighten slide bar jackscrew, make slide bar jackscrew hold out against the first slide bar, then the first slide bar and the second slide bar can not move again, and voussoir position is fixed.
Then by the connecting hole be arranged on voussoir, flaw detection probe is arranged on voussoir, water is injected by water injection pipe by water system, remain that water flows between voussoir and detected pipeline from the water delivering orifice being arranged on arcwall face, form uniform couplant, complete highly sensitive UT (Ultrasonic Testing) operation; And ball decreases pipeline when checkout equipment moves on pipeline and, to the wearing and tearing of voussoir, adds the serviceable life of voussoir; Also reduce the protruding impact on flaw detection operation of exception on pipeline, improve flaw detection Efficiency and accuracy.
Finally rotate hand gear, then the transmitting gear be meshed with wheel axle gear that hand gear is arranged by side drives magnetic wheel to rotate; Magnetic wheel rotates and drives main ring to move around pipe under test, and then makes voussoir and flaw detection probe carry out testing around the weld seam of pipe under test.
By adopting technique scheme, the present invention has following beneficial effect:
1, a kind of pipeline girth weld checkout equipment of the present invention is provided with fastener, pipeline girth weld checkout equipment can be stabilized on pipeline by this device, and can ensure that pipeline girth weld checkout equipment is around pipe under test steadily movement, thus increase the reliability of pipeline girth weld checkout equipment Effect on Detecting.
2, fastener can regulate the spacing of the first web member and the second web member by adjuster bar, thus the length of fine setting abridged edition auxiliary fixing device, improve the auxiliary fixed effect of this device; And keep suitable roller and the pressure of pipeline.
3, the regulating device of fastener and chain link are equipped with roller, make when pipeline girth weld checkout equipment needs to carry out seam inspection work around pipe under test, this device energy entirety is slided thereupon, is convenient to ensure the steady laminating between pipeline girth weld checkout equipment and pipe under test.
4, the spring between the expansion-head of fastener and the first bearing pin, thus ensure that this device has certain elastic length surplus, be convenient to pipeline girth weld checkout equipment and move around pipe under test.
5, to have wear intensity little for the voussoir of this equipment, the advantage of long service life; This voussoir can meet multiple UT (Ultrasonic Testing) job requirements, and applied widely, flaw detection sensitivity is high.
6, the setting of the arcwall face of voussoir can make probe to contact with detected pipeline external surface more to fit, and can meet the UT (Ultrasonic Testing) requirement of different tube diameters; Apopore be arranged so that couplant is more even, decrease the interference of bubble to flaw detection sensitivity; Ball decreases when UT (Ultrasonic Testing) operation, and when checkout equipment moves on pipeline, pipeline is to the wearing and tearing of voussoir, adds the serviceable life of voussoir; And reducing friction force when detecting a flaw operation, reducing the protruding impact on flaw detection operation of exception on pipeline, improving flaw detection Efficiency and accuracy.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention.
In figure, 1-pedestal, 2-fastener, 3-slide bar holder, 4-magnetic wheel, 5-adjusting knob, 6-slide bar holder, 7-magnetic force pressing wheel mechanism, 8-pops one's head in, 9-slide bar, and 10-detects a flaw probe bracket; 11-slide bar jackscrew.
Fig. 2 is the structural representation that hand gear is connected with the wheel axle gear on wheel shaft by transmitting gear.
In figure, 21-hand gear, 22-transmitting gear, 23-wheel axle gear, 24-magnetic wheel.
Fig. 3 is the structural representation of flaw detection probe bracket.
In figure, 31-bracket holder, 32-first spring, 33-slide rail, 34-slide plate, 35-slide bar hitch, 36-voussoir holder.
Fig. 4 is the structural representation of regulating device.
Fig. 5 is the structural representation of the chain link of fastener.
Fig. 6 is the structural representation of the first web member of regulating device.
Fig. 7 is the structural representation of the second web member of regulating device.
Fig. 8 is the overall schematic of voussoir.
Fig. 9 is another overall schematic of voussoir.
Figure 10 is the front view of voussoir.
Figure 11 is the rear view of voussoir.
Figure 12 is auxiliary stand overall schematic.
Figure 13 is magnetic force pressing wheel mechanism schematic diagram.
Figure 14 is the structural representation of wheel carrier.
Figure 15 is the structural representation of brace.
201-second web member, 202-adjuster bar, 203-spring, 204-first web member, 205-the 3rd bearing pin, 206-the 3rd roller, 207-hook, 208-first bearing pin, 209-first roller, 210-second roller, 211-second bearing pin, the trapezoidal voussoir body of 401-, 402-water injection pipe, 403-ball mounting hole, 404-connecting hole, 405-apopore, 406-damping block mounting groove, 501-connects posting, 502-connecting link, 503-holds out against knob, 4-through hole, 505-threaded hole, 601-spring loop bar, 602-nut, 603-spring, 604-brace, 605-wheel carrier, 606-wheel shaft, 607-magnetic wheel, 608-pin-and-hole, 609-through hole, 610-bolt hole, 611 slide bar braces.
Embodiment
Below in conjunction with drawings and Examples, further explanation is explained to this patent.But the protection domain of this patent is not limited to concrete embodiment.
Embodiment 1
As shown in drawings, a kind of pipeline girth weld checkout equipment of this patent, for coordinating the sonic flaw detection instrument being provided with flaw detection probe 8 to detect a flaw to pipeline girth weld, comprises main body, fastener 2, left and right flaw detection probe bracket 10 and left and right flaw detection probe 8.
Described main body comprises pedestal 1, first slide bar, the second slide bar, slide bar jackscrew 11, left and right slide bar hitch 35, magnetic wheel 4 and wheel shaft; Described pedestal 1 inner hollow, pedestal 1 side is provided be parallel to each other the first through slide opening and the second slide opening; First slide bar is arranged in the first slide opening; Second slide bar is arranged in the second slide opening, and inner side is provided with moving tooth; Pedestal 1 is positioned at above the first slide opening and/or the second slide opening and is provided with the top wire hole through with slide opening, is provided with slide bar jackscrew 11, for holding out against slide bar 9 in top wire hole; Described slide bar hitch 35 is equipped with two corresponding with the first slide bar and the second slide bar respectively the 3rd slide openings; First slide bar and the second slide bar are each passed through two the 3rd slide openings on slide bar hitch 35, and main body is connected with slide bar hitch 35; Slide bar hitch 35 both sides are also provided with two the second top wire holes and two the second jackscrews that connect with the 3rd slide opening respectively, for holding out against the first slide bar and the second slide bar;
Pedestal 1 is provided with adjusting knob 5, is connected with the adjusting gear be meshed with the moving tooth inside the second slide bar below adjusting knob 5, rotates adjusting knob 5 and can drive the second sliding bar by adjusting gear; Two groups of magnetic wheels 4 are arranged on both sides below pedestal 1 respectively by two wheel shafts 606, and two wheel shafts 606 are all parallel with the first slide bar; Wherein a wheel shaft is provided with wheel axle gear 23, and the pedestal 1 above this wheel shaft is provided with hand gear 21, and described hand gear 21 side is provided with transmitting gear 22, and it is engaged with wheel axle gear 23 by transmitting gear 22, rotates hand gear 21 and magnetic wheel 4 can be driven to rotate; Slide bar 9 web member connects one end of the first slide bar and the second slide bar, and the first slide bar and the second slide bar are slided simultaneously; Two flaw detection probe brackets 10 are symmetricly set on the other end of the first slide bar and the second slide bar, for connecting flaw detection probe 8; Like this, can, by stirring hand gear 21, magnetic wheel 4 be rotated, band moving base 1 and whole pipeline girth weld checkout equipment move;
Described left and right flaw detection probe bracket 10 includes voussoir holder 36, bracket holder 31, second jackscrew, slide plate 34 and slide rail 33; Bracket holder 31 is fixed on slide bar hitch 35; Slide rail 33 is arranged in bracket holder 31, and slide plate 34 is connected with slide rail 33 and can slides up and down on slide rail 33; Two ends, slide plate 34 top are equipped with the first spring 32 be connected with bracket holder 31; Voussoir holder 36 is connected with slide plate 34 lower end, for clamping voussoir;
Described flaw detection probe 8 comprises voussoir, ultrasonic phase array generator;
Described voussoir comprises trapezoidal block, damping block, two water injection pipes 402, balls; Described trapezoidal block bottom surface is arcwall face, one side is provided with two connecting holes 404 be connected with ultrasonic phase array generator for voussoir with several for the mounting hole being installed into water pipe, be provided with multiple waterflood path below mounting hole, two water injection pipes 402 are arranged in two mounting holes respectively; Arcwall face is provided with at least four ball mounting holes 403, and waterflood path end passes into arcwall face and forms apopore 405; Described ball is arranged in ball mounting hole 403; On described trapezoidal block, another side is provided with for damping block mounting groove 406, and damping block is arranged in mounting groove; Ultrasonic phase array generator is fixed on voussoir prism; Voussoir is fixed on voussoir holder 36.Trapezoidal block material is organic glass.Ball mounting hole 403 is arranged on four bights of arcwall face, and ball protrudes arcwall face 1-4mm.Fastener 2 is for being fastened on pipe under test by main body; Fastener 2 is furnished with the chain link of different length.
Described fastener 2 comprises the chain link of regulating device and multiple mutual hook; Described regulating device comprises the first web member 204, second web member 201, adjuster bar 202 and the second spring 203; Described first web member 204 comprises hook 207 framework, left and right first roller 209, grips frame, the first bearing pin 208; One end of hook 207 framework is provided with two hooks 207, and the other end is fixed on by turning axle and grips frame bottom, and left and right first roller 209 is arranged on the both sides of the bottom gripping frame, and the first bearing pin 208 is arranged on the middle part gripping frame; Through hole is provided with in the middle part of first bearing pin 208; Described second web member 201 comprises hook mechanism, left and right second roller 210, second bearing pin 211; One end of hook mechanism is provided with two hooks 207, and the both sides of the other end are provided with left and right the second roller 210; Second bearing pin 211 is arranged on above the second roller 210 of hook mechanism, is provided with threaded hole 505 in the middle part of the second bearing pin 211; One end of described adjuster bar 202 is provided with expansion-head, and the other end is provided with thread segment; Adjuster bar 202, through the through hole of the first bearing pin 208, is arranged in the threaded hole 505 of the second bearing pin 211 by thread segment; Described second spring 603 is set on adjuster bar 202, between expansion-head and the first bearing pin 208;
Described chain link comprises chain link framework, the 3rd roller 206, the 3rd bearing pin 205, one end of chain link framework is provided with two hooks, 3rd bearing pin 205 is arranged on the other end of chain link framework, 3rd roller 206 is arranged on the middle part of the 3rd bearing pin 205, the two ends of the 3rd bearing pin 205 are provided with stop part, are connecting portion between the stop part of the 3rd bearing pin 205 and chain link framework; One in the hook of the first web member 204, second web member 201 connecting portion being hooked on a chain link, another is hooked on the wheel shaft 606 of main body side, and the hook of this chain link is hooked on the connecting portion of other chain links or is hooked on the wheel shaft 606 of main body opposite side.
Hoodle is equipped with inside the hook 207 of described first web member 204, second web member 201 and chain link.When hook 207 hook bearing pin, hoodle is clamp-oned hook 207 inwall through hoodle position by bearing pin, and bearing pin is behind hoodle position, and hoodle is automatic spring again; Arranging hoodle is stability in order to strengthen when hook 207 is hooked on other bearing pins, and hook 207 and bearing pin are not easily departed from.
Two groups, front and back cogwheel gearing, a water inlet shunt, position coder, a slide bar 9 left and right moving control device is provided with in described pedestal 1.It acts on respectively: one, and front gear gearing, is connected with 2, front end magnet pulley and position coder; Its two, backgear gearing, is connected with 2, rear end magnet pulley; Its three, water inlet shunt be made up of an import and two outlets, an entrance water source is diverted to two probe 8 voussoirs on porch; Its four, position coder is the distance of record magnet pulley movement; Its five, have gear to connect moving tooth inside the second slide bar in slide bar 9 left and right moving control device, control slide bar 9 displacement.
During use, first by fastener 2, pipeline girth weld checkout equipment is fastened in pipe under test, be specially: by estimating the diameter of pipe under test, utilize the chain pitch chain that the link set of different length becomes to be of convenient length, first the hook of the first web member 204 of regulating device is hooked on the wheel shaft 606 of the side of main body, the hook of the second web member 201 is hooked on the 3rd bearing pin 205 of a chain link of chain link chain tail end, and the hook of another chain link of chain link chain head end is hooked on the wheel shaft 606 of the opposite side of main body; Then rotation adjusting lever 202, the position of thread segment in the threaded hole 505 of the second bearing pin 211 of adjustment adjuster bar 202, reach the effect of the spacing of adjustment first web member 204 and the second web member 201, also the object of the length of fine setting abridged edition auxiliary fixing device is reached, pipeline girth weld checkout equipment is steadily fixed in pipe under test by this fastener 2, and keeps suitable roller and the pressure of pipeline; When pipeline girth weld checkout equipment needs to carry out seam inspection work around pipe under test, the roller that this auxiliary fixing device is arranged will slide thereupon, still can ensure the steady laminating between pipeline girth weld checkout equipment and pipe under test, be conducive to the reliability improving pipeline girth weld checkout equipment Effect on Detecting; And the spring 603 be arranged between the expansion-head of adjuster bar 202 and the first bearing pin 208, ensure that this device has certain elastic length surplus, be convenient to pipeline girth weld checkout equipment and move around pipe under test.
Then voussoir is moved to pipe under test girth joint position, be specially: rotate adjusting knob 5, because slide bar 9 web member connects one end of the first slide bar and the second slide bar, then adjusting knob 5 drives the first slide bar and the second slide bar to slide simultaneously, thus flaw detection probe bracket 10 is moved horizontally with the first slide bar and the second slide bar, stop when the voussoir be connected with the voussoir holder 36 of flaw detection probe bracket 10 covers the position while welding of pipe under test; Now tighten slide bar jackscrew 11, make slide bar jackscrew 11 hold out against the first slide bar, then the first slide bar and the second slide bar can not move again, and voussoir position is fixed.
Then by the connecting hole 404 be arranged on voussoir, flaw detection probe 8 is arranged on voussoir, water is injected by water injection pipe 402 by water system, remain that water flows between voussoir and detected pipeline from the water delivering orifice being arranged on arcwall face, form uniform couplant, complete highly sensitive UT (Ultrasonic Testing) operation; And ball decreases pipeline when checkout equipment moves on pipeline and, to the wearing and tearing of voussoir, adds the serviceable life of voussoir; Also reduce the protruding impact on flaw detection operation of exception on pipeline, improve flaw detection Efficiency and accuracy.
Finally rotate hand gear 21, then the transmitting gear 22 be meshed with wheel axle gear 23 that hand gear 21 is arranged by side drives magnetic wheel 4 to rotate; Magnetic wheel 4 rotates and drives main ring to move around pipe under test, and then makes voussoir and flaw detection probe 8 carry out testing around the weld seam of pipe under test.
Claims (10)
1. a multifunction supersonic phased array pipeline girth weld checkout equipment, for coordinating the sonic flaw detection instrument being provided with flaw detection probe to detect a flaw to pipeline girth weld, it is characterized in that: comprise main body, magnetic force pressing wheel mechanism, auxiliary stand, fastener, left and right flaw detection probe bracket, left and right flaw detection probe;
Described main body comprises pedestal, the first slide bar, the second slide bar, slide bar jackscrew, left and right slide bar hitch, magnetic wheel and wheel shaft; Described base interior hollow, pedestal side is provided be parallel to each other the first through slide opening and the second slide opening; First slide bar is arranged in the first slide opening; Second slide bar is arranged in the second slide opening, and inner side is provided with moving tooth; Pedestal is positioned at above the first slide opening and/or the second slide opening and is provided with the top wire hole through with slide opening, is provided with slide bar jackscrew, for holding out against slide bar in top wire hole; Described left and right slide bar hitch is equipped with two corresponding with the first slide bar and the second slide bar respectively the 3rd slide openings; First slide bar and the second slide bar are each passed through two the 3rd slide openings on slide bar hitch, and main body is connected with slide bar hitch; Slide bar hitch both sides are also provided with two the second top wire holes and two the second jackscrews that connect with the 3rd slide opening respectively, for holding out against the first slide bar and the second slide bar;
Pedestal is provided with adjusting knob, is connected with the adjusting gear be meshed with the moving tooth inside the second slide bar below adjusting knob, rotates adjusting knob and can drive the second sliding bar by adjusting gear; Two groups of magnetic wheels are arranged on both sides below pedestal respectively by two wheel shafts, and two wheel shafts are all parallel with the first slide bar; Wherein a wheel shaft is provided with wheel axle gear, and the pedestal above this wheel shaft is provided with hand gear, and described hand gear side is provided with transmitting gear, and it is engaged with wheel axle gear by transmitting gear, rotates hand gear and magnetic wheel can be driven to rotate; Slide bar web member connects one end of the first slide bar and the second slide bar, and the first slide bar and the second slide bar are slided simultaneously; Two flaw detection probe brackets are symmetricly set on the other end of the first slide bar and the second slide bar, for connecting flaw detection probe;
Described magnetic force pressing wheel mechanism is arranged between outer the first slide bar away from pedestal one end of left and right slide bar hitch and the second slide bar, comprises magnetic wheel, wheel shaft, wheel carrier, brace, spring loop bar, spring, nut, slide bar brace; Wheel carrier is inverted U structure, and its both sides, lower end are equipped with pin-and-hole; Be provided with axis hole in the middle part of magnetic wheel, magnetic wheel is arranged in wheel carrier, and magnetic wheel is connected with wheel carrier with the axis hole of magnetic wheel through the pin-and-hole of wheel carrier by wheel shaft; Brace one end is provided with can through the through hole of spring loop bar, other end bolt hole; Spring loop bar is vertically set on wheel top of the trellis, and is fixed on wheel carrier top through the through hole of brace, and spring loop bar upper end is provided with thread segment; Nut is arranged on thread segment; Spring housing is located on spring loop bar, and between brace and nut; Slide bar brace two ends are connected with the first slide bar and the second slide bar respectively; Slide bar brace is provided with the bolt hole identical with brace one end, and the bolt hole of slide bar brace and brace is bolted;
First slide bar and second slide bar of described auxiliary stand and main body are connected, and comprise two connection postings, two connecting links and four hold out against knob; Described connection posting is rectangular parallelepiped framework, and the left and right side frame of rectangular parallelepiped framework is symmetrically arranged with many groups through hole coordinated with connecting link in correspondence with each other from top to bottom; Connecting link is separately positioned in the corresponding through hole of two connection postings; Connect on the lateral surface of posting left and right and be provided with threaded hole, holding out against knob and be arranged in threaded hole, for holding out against connecting link, preventing connecting link from relatively connecting posting displacement;
Described connecting link external diameter is identical with the second slide bar with the first slide bar, and the first slide bar and the second slide bar are arranged in corresponding through hole according to pipeline location to be detected;
Described left and right flaw detection probe bracket includes voussoir holder, bracket holder, the second jackscrew, slide plate and slide rail; Bracket holder is fixed on slide bar hitch; Slide rail is arranged in bracket holder, and slide plate is connected with slide rail and can slides up and down on slide rail; Two ends, slide plate top are equipped with the first spring be connected with bracket holder; Voussoir holder is connected with slide plate lower end, for clamping voussoir;
Described flaw detection probe comprises voussoir, ultrasonic phase array generator;
Described voussoir comprises trapezoidal block, damping block, two water injection pipes, balls; Described trapezoidal block bottom surface is arcwall face, one side is provided with two connecting holes be connected with ultrasonic phase array generator for voussoir with several for the mounting hole being installed into water pipe, be provided with multiple waterflood path below mounting hole, two water injection pipes are arranged in two mounting holes respectively; Arcwall face is provided with at least four ball mounting holes, and waterflood path end passes into arcwall face and forms apopore; Described ball is arranged in ball mounting hole; On described trapezoidal block, another side is provided with for damping block mounting groove, and damping block is arranged in mounting groove; Ultrasonic phase array generator is fixed on voussoir prism; Voussoir is fixed on voussoir holder;
Described fastener is for being fastened on pipe under test by main body; Fastener comprises the chain link of regulating device and multiple mutual hook; Described regulating device comprises the first web member, the second web member, adjuster bar and the second spring; Described first web member comprises hook framework, left and right first roller, grips frame, the first bearing pin; One end of hook framework is provided with two hooks, and the other end is fixed on by turning axle and grips frame bottom, and left and right first roller is arranged on the both sides of the bottom gripping frame, and the first bearing pin is arranged on the middle part gripping frame; Through hole is provided with in the middle part of first bearing pin; Described second web member comprises hook mechanism, left and right second roller, the second bearing pin; One end of hook mechanism is provided with two hooks, and the both sides of the other end are provided with left and right the second roller; Second bearing pin is arranged on above the second roller of hook mechanism, is provided with threaded hole in the middle part of the second bearing pin; One end of described adjuster bar is provided with expansion-head, and the other end is provided with thread segment; Adjuster bar, through the through hole of the first bearing pin, is arranged in the threaded hole of the second bearing pin by thread segment; Described second spring housing is located on adjuster bar, between expansion-head and the first bearing pin;
Described chain link comprises chain link framework, the 3rd roller, the 3rd bearing pin, one end of chain link framework is provided with two hooks, 3rd bearing pin is arranged on the other end of chain link framework, 3rd roller is arranged on the middle part of the 3rd bearing pin, the two ends of the 3rd bearing pin are provided with stop part, are connecting portion between the stop part of the 3rd bearing pin and chain link framework; One in the hook of the first web member, the second web member connecting portion being hooked on a chain link, another is hooked on the wheel shaft of main body side, and the hook of this chain link is hooked on the connecting portion of other chain links or is hooked on the wheel shaft of main body opposite side.
2. multifunction supersonic phased array pipeline girth weld checkout equipment according to claim 1, is characterized in that: described fastener is furnished with the chain link of different length.
3. multifunction supersonic phased array pipeline girth weld checkout equipment according to claim 1, is characterized in that: be equipped with hoodle inside the hook of the first described web member, the second web member and chain link.
4. multifunction supersonic phased array pipeline girth weld checkout equipment according to claim 1, is characterized in that: the trapezoidal block material of described voussoir is organic glass.
5. multifunction supersonic phased array pipeline girth weld checkout equipment according to claim 1, is characterized in that: described ball protrudes arcwall face 1-4mm.
6. multifunction supersonic phased array pipeline girth weld checkout equipment according to claim 1, is characterized in that: described ball mounting hole is arranged on four bights of arcwall face.
7. multifunction supersonic phased array pipeline girth weld checkout equipment according to claim 1, is characterized in that: be also provided with two groups, front and back cogwheel gearing, water inlet shunt, a position coder in described pedestal; Front group of cogwheel gearing, is connected with the magnet pulley of front end and position coder; Rear group of cogwheel gearing, is connected with the magnet pulley of rear end; Entrance water source is diverted to the porch on two probe voussoirs by water inlet shunt; Position coder is in order to record the distance of magnet pulley movement.
8. multifunction supersonic phased array pipeline girth weld checkout equipment according to claim 1, it is characterized in that: in described pedestal, be also provided with slide bar left and right moving control device, there is gear to connect moving tooth inside the second slide bar in slide bar left and right moving control device, control slide bar displacement.
9. multifunction supersonic phased array pipeline girth weld checkout equipment according to claim 1, is characterized in that: described water inlet shunt is made up of an import and two outlets, an entrance water source is diverted to the porch on two probe voussoirs.
10. multifunction supersonic phased array pipeline girth weld checkout equipment according to claim 1, is characterized in that: described through hole and connecting link are wringing fit.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610401026.6A CN105891334B (en) | 2015-10-09 | 2015-10-09 | The ultrasonic phase array pipeline girth weld testing agency that can steadily move |
| CN201610401035.5A CN106093198B (en) | 2015-10-09 | 2015-10-09 | High-stability supersonic phased array pipeline girth weld detection device |
| CN201610401056.7A CN105891335B (en) | 2015-10-09 | 2015-10-09 | A kind of adjustable phased array pipeline girth weld detection device |
| CN201510644680.5A CN105158336B (en) | 2015-10-09 | 2015-10-09 | A kind of multifunction supersonic phased array pipeline girth weld detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510644680.5A CN105158336B (en) | 2015-10-09 | 2015-10-09 | A kind of multifunction supersonic phased array pipeline girth weld detection device |
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|---|---|---|---|
| CN201610401056.7A Division CN105891335B (en) | 2015-10-09 | 2015-10-09 | A kind of adjustable phased array pipeline girth weld detection device |
| CN201610401026.6A Division CN105891334B (en) | 2015-10-09 | 2015-10-09 | The ultrasonic phase array pipeline girth weld testing agency that can steadily move |
| CN201610401035.5A Division CN106093198B (en) | 2015-10-09 | 2015-10-09 | High-stability supersonic phased array pipeline girth weld detection device |
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| CN105158336A true CN105158336A (en) | 2015-12-16 |
| CN105158336B CN105158336B (en) | 2017-12-22 |
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| CN201510644680.5A Active CN105158336B (en) | 2015-10-09 | 2015-10-09 | A kind of multifunction supersonic phased array pipeline girth weld detection device |
| CN201610401056.7A Active CN105891335B (en) | 2015-10-09 | 2015-10-09 | A kind of adjustable phased array pipeline girth weld detection device |
| CN201610401035.5A Active CN106093198B (en) | 2015-10-09 | 2015-10-09 | High-stability supersonic phased array pipeline girth weld detection device |
| CN201610401026.6A Active CN105891334B (en) | 2015-10-09 | 2015-10-09 | The ultrasonic phase array pipeline girth weld testing agency that can steadily move |
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| CN201610401035.5A Active CN106093198B (en) | 2015-10-09 | 2015-10-09 | High-stability supersonic phased array pipeline girth weld detection device |
| CN201610401026.6A Active CN105891334B (en) | 2015-10-09 | 2015-10-09 | The ultrasonic phase array pipeline girth weld testing agency that can steadily move |
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| 罗爱民 等: "管道焊缝的全自动相控阵超声波检测技术", 《无损检测》 * |
| 韩相勇: "长输管线对接环焊缝自动相控阵超声波检测技术", 《无损检测》 * |
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| CN105758941A (en) * | 2016-04-19 | 2016-07-13 | 汕头市超声仪器研究所有限公司 | Probe wedge clamping mechanism applicable to ultrasonic nondestructive detection on pipelines |
| CN105758941B (en) * | 2016-04-19 | 2019-01-22 | 汕头市超声仪器研究所有限公司 | A kind of probe voussoir clamping device of suitable ultrasonic nondestructive test of pipeline |
| CN106770666A (en) * | 2016-11-28 | 2017-05-31 | 上海航天精密机械研究所 | Large-diameter cylinder body agitating friction girth welding ultrasonic phase array automatic detection device |
| CN106770666B (en) * | 2016-11-28 | 2019-09-17 | 上海航天精密机械研究所 | Large-diameter cylinder body agitating friction girth welding ultrasonic phase array automatic detection device |
| CN109580665A (en) * | 2018-12-20 | 2019-04-05 | 铜陵市特种设备监督检验中心 | Ray flaw detector tooling and its application method and application |
| CN109580665B (en) * | 2018-12-20 | 2021-08-17 | 铜陵市特种设备监督检验中心 | Tool for radiographic inspection instrument and using method and application thereof |
| CN110031550A (en) * | 2019-05-17 | 2019-07-19 | 中国石油天然气第一建设有限公司 | A kind of type hand inclined pipe fillet weld phased array scanning equipment |
| CN110031549A (en) * | 2019-05-17 | 2019-07-19 | 中国石油天然气第一建设有限公司 | It is a kind of can two-way scanning type hand inclined pipe fillet weld phased array scanning equipment |
| CN110031550B (en) * | 2019-05-17 | 2021-08-03 | 中国石油天然气第一建设有限公司 | Manual type oblique connecting pipe fillet weld phased array scanning device |
| CN111624212A (en) * | 2020-06-30 | 2020-09-04 | 北京西管安通检测技术有限责任公司 | Pipeline detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105158336B (en) | 2017-12-22 |
| CN105891335A (en) | 2016-08-24 |
| CN106093198A (en) | 2016-11-09 |
| CN105891334B (en) | 2018-08-28 |
| CN105891335B (en) | 2018-08-28 |
| CN106093198B (en) | 2018-07-31 |
| CN105891334A (en) | 2016-08-24 |
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