CN105158336B - A kind of multifunction supersonic phased array pipeline girth weld detection device - Google Patents
A kind of multifunction supersonic phased array pipeline girth weld detection device Download PDFInfo
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- CN105158336B CN105158336B CN201510644680.5A CN201510644680A CN105158336B CN 105158336 B CN105158336 B CN 105158336B CN 201510644680 A CN201510644680 A CN 201510644680A CN 105158336 B CN105158336 B CN 105158336B
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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
-
- 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)
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- General Health & Medical Sciences (AREA)
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- Pathology (AREA)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
Invention describes a kind of multifunction supersonic phased array pipeline girth weld detection device, including main body, magnetic force pressing wheel mechanism, auxiliary stand, fastener, left and right flaw detection probe bracket, left and right flaw detection probe；Main body includes pedestal, the first slide bar, the second slide bar, slide bar jackscrew, left and right slide bar hitch, magnetic wheel and wheel shaft；Fastener is used to main body being fastened on pipe under test, magnetic force pressing wheel mechanism is arranged between the first slide bar and the second slide bar, auxiliary stand and the first slide bar of main body and the second slide bar are connected, and flaw detection probe bracket connection flaw detection is popped one's head in and aids in flaw detection probe to carry out detection work to the weld seam of pipe under test.The advantages that equipment can surround flaw detection pipeline smooth rotation in pipeline girth weld detection work is carried out, and so as to prevent the fortuitous events such as vibration from influenceing Detection results, have the equipment applied widely, and flaw detection sensitivity is high, detection efficiency is high.
Description
Technical field
The present invention relates to pipeline inspection technical field, particularly a kind of multifunction supersonic phased array pipeline girth weld detection is set
It is standby.
Background technology
At present in refinery device installation, big heavy wall, Large Diameter Pipeline pressure pipeline butt girth welding seam Non-Destructive Testing engineering
Measure increasing；Using A types pulse ultrasonic wave detect, defect shows not directly perceived, it is impossible to display defect shape, testing result and
Defectoscopy is affected by human factors greatly, defects detection evaluation poor repeatability；It is more and more difficult or even can not using X-ray detection
Detection（Penetration power deficiency）；Energy is stranded using gamma-rays detection security protection（Some places do not allow use）, detection time is long, detection
The limited time, half-life short, thus not only cost is high, sensitivity is low, detection efficiency is low, seriously govern the duration of a project, quality,
The factors such as safety.Expectation has a kind of novel detection method that can overcome above-mentioned detection shortcoming.
Ultrasonic phased array technology：Phased array english abbreviation PA, it is a kind of advanced normal in field of non destructive testing
Advise ultrasonic detection technology.It is that one kind passes through using the principle of similar phased-array radar, sonar and the application of other wave physics
The time of electron excitation is different and changes the technology of probe performance, and a kind of method for scanning and being imaged.Especially to welding
Joint（Including flat board docking, the docking of T angles, the docking of Y angles etc.）Application in terms of weld seam detection has unique advantage, this be TOFD,
What the detection methods such as RT can not be realized.The various planar defects and volume flaw in welding point can effectively be detected.Detection
As a result shown with image format, abundant information is provided for defect location, quantitative, qualitative, deciding grade and level.
Wherein, ultrasonic phase array is the combination of ultrasonic probe chip, is distributed row according to certain rules by multiple piezoelectric chips
Row, then gradually excite each chip by prespecified time delay, the ultrasonic waveform of all wafers transmitting is into an entirety
Wave surface, transmitting supersonic beam can be efficiently controlled（Wave surface）Shape and direction, can realize ultrasonic wave beam scanning, deflection
And focusing
In emission process, trigger signal is sent to phased array controller by defectoscope.Phased array controller becomes signal
Change specific high electric field pulse into, pulse width is preset, and time delay is then defined by focusing rule.Each chip only receives
One electric pulse, so caused ultrasonic beam just has certain angle, and focuses on certain depth.It is i.e. anti-that the acoustic beam runs into defect
It is emitted back towards and；After receives echo-signal, phased array controller is converged these signals together by collectiong focusing rule conversion time,
A pulse signal is formed, is sent to defectoscope；Changing into analog signal by Digital Control software is easy to computer to survey
The digital information of amount and display.
But existing scanner is only suitable for container butt weld detection, there is the following aspects to be not suitable for curvature larger
Sizing In Butt Welded Pipes detection.First, scanner transverse direction magnet-wheel spacing is larger, be not suitable for the adjustment of a wide range of curvature；Second, visit
Head bracket upper and lower displacement is smaller, is not suitable for elbow, threeway, concentric reducer and straight tube butt girth welding seam scanning；Third, probe voussoir compared with
Elbow welded junction detection unsuitable greatly；Fourth, for diameter 159~φ of φ 1100mm straight tube butt girth welding seam detection, on
Equipment is stated with regard to very inconvenient；Fifth, the detection that butt girth welding seam is welded for elbow, threeway, concentric reducer and straight tube is helpless.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of multifunction supersonic phased array pipeline girth weld detection device,
The equipment can surround flaw detection pipeline smooth rotation in pipeline girth weld detection work is carried out, while solve rapidly reducer
When road is detected a flaw, the problems such as detection device can not be fixed effectively；The equipment has applied widely, and stability is good, flaw detection sensitivity
The advantages that high.
In order to realize the purpose for solving above-mentioned technical problem, present invention employs following technical scheme：
A kind of multifunction supersonic phased array pipeline girth weld detection device, the sonic flaw detection of flaw detection probe is provided with for coordinating
Instrument is detected a flaw to pipeline girth weld, it is characterized in that：Including main body, magnetic force pressing wheel mechanism, auxiliary stand, fastener, a left side
Right flaw detection probe bracket, left and right flaw detection probe；
The main body includes pedestal, the first slide bar, the second slide bar, slide bar jackscrew, left and right slide bar hitch, magnetic wheel and wheel
Axle；The base interior is hollow, and pedestal side is provided with the first slide opening and the second slide opening for the insertion that is parallel to each other；First slide bar is set
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 located at the first slide opening and/or second
The top wire hole with slide opening insertion is provided with above slide opening, slide bar jackscrew is provided with top wire hole, for holding out against slide bar；The left and right slide bar
Two threeth slide openings corresponding with the first slide bar and the second slide bar respectively are equipped with hitch；First slide bar and the second slide bar
Two the 3rd slide openings being each passed through on slide bar hitch, the first slide bar and the second slide bar for making main body connect with slide bar hitch
Connect；Slide bar hitch both sides are additionally provided with two the second top wire holes to be connected respectively with the 3rd slide opening and two the second jackscrews, use
In holding out against the first slide bar and the second slide bar；
Pedestal is provided with adjusting knob, and the regulation being meshed with the moving tooth on the inside of the second slide bar is connected with below adjusting knob
Gear, the second sliding bar can be driven by adjustment gear by rotating adjusting knob；Two groups of magnetic wheels pass through two wheel shafts respectively
Both sides below pedestal are arranged on, two wheel shafts are parallel with the first slide bar；A wherein wheel shaft is provided with wheel axle gear, on the wheel shaft
The pedestal of side is provided with hand gear, and the hand gear side is provided with rotate gear, and it is engaged by rotate gear with wheel axle gear,
Rotating hand gear can drive magnetic wheel to rotate；Slide bar connector connects one end of the first slide bar and the second slide bar, makes the first cunning
Bar and the second slide bar slide simultaneously；Two flaw detection probe brackets are symmetricly set on the other end of the first slide bar and the second slide bar, use
In connection flaw detection probe；So, can be by stirring hand gear, to cause magnetic wheel to rotate, band moving base and whole pipe ring
Welding line detector moves；
The magnetic force pressing wheel mechanism is arranged on outer the first slide bar and second away from pedestal one end of left and right slide bar hitch and slided
Between bar, including magnetic wheel, wheel shaft, wheel carrier, connection sheet, spring loop bar, spring, nut, slide bar connection sheet；Wheel carrier is inverted U
Structure, its lower end both sides are equipped with pin-and-hole；Axis hole is provided with the middle part of magnetic wheel, magnetic wheel is arranged in wheel carrier, and wheel shaft passes through wheel carrier
Pin-and-hole and the axis hole of magnetic wheel magnetic wheel is connected with wheel carrier；Connection sheet one end is provided with the through hole that can pass through spring loop bar,
Another end bolt holes；Spring loop bar is vertically set on wheel top of the trellis, and is fixed on wheel carrier top, spring through the through hole of connection sheet
Loop bar upper end is provided with thread segment；Nut is arranged on thread segment；Spring is set on spring housing bar, and is located at connection sheet and nut
Between；Slide bar connection sheet both ends are connected with the first slide bar and the second slide bar respectively；It is provided with slide bar connection sheet and connection sheet one
The bolt hole of end identical bolt hole, slide bar connection sheet and connection sheet is bolted；
So, spring is in compressive state by adjusting nut, then spring slide bar can be applied by connection sheet to
Under active force, and then downward active force is applied to detection means, so as to prevent because of the flaw detection of pipeline girth weld detection means
Occur trembling between probe and pipe under test, produce gap and influence flaw detection effect；
The auxiliary stand and the first slide bar of main body and the second slide bar connect, including two connection postings, two companies
Extension bar and four hold out against knob；The connection posting is cuboid framework, and the left and right side frame of cuboid framework is right from top to bottom
Claim to be provided with multigroup through hole coordinated with connecting rod in correspondence with each other；It is corresponding that connecting rod is separately positioned on two connection postings
Through hole in；Screwed hole is provided with connection posting or so lateral surface, knob is held out against and is arranged in screwed hole, for holding out against
Connecting rod, prevent the relative connection posting displacement of connecting rod；
Described connecting rod external diameter is identical with the first slide bar and the second slide bar, and the first slide bar and the second slide bar are according to be detected
Pipeline location be arranged in corresponding through hole；So, when carrying out carrying out flaw detection, the detection dress entirely fixed is not moved
Put, the weld seam of different length position can not only be detected, moreover it is possible to be fixed in connection by adjusting the first slide bar and the second slide bar
Height and position in the side through hole of frame two of position, weld seam detection is carried out to tube reducing pipeline；
The left and right flaw detection probe bracket includes voussoir holder, bracket holder, slide plate and slide rail；Bracket holder
It is fixed on slide bar hitch；Slide rail is arranged in bracket holder, and slide plate is connected with slide rail and can slided up and down on slide rail；
Both ends are equipped with the first spring being connected with bracket holder at the top of slide plate；Voussoir holder is connected with slide plate lower end, for pressing from both sides
Tight voussoir；
The flaw detection probe includes voussoir, ultrasonic phase array generator；
The voussoir includes trapezoidal block, damping block, two water injection pipes, balls；The trapezoidal block bottom surface is arcwall face,
One side is provided with two mounting holes for being used to install water inlet pipe and several are connected for voussoir with ultrasonic phase array generator
Multiple waterflood paths are provided below in the connecting hole connect, mounting hole, and two water injection pipes are separately mounted in two mounting holes；Arc
Face is provided with least four ball mounting holes, and waterflood path end is passed through arcwall face and forms apopore；The ball is arranged on rolling
In pearl mounting hole；Another side is provided with the trapezoidal block is arranged in mounting groove for damping block mounting groove, damping block；
Ultrasonic phase array generator is fixed on voussoir prism；Voussoir is fixed on voussoir holder；
The fastener is used to main body being fastened on pipe under test；
The fastener includes adjusting means and multiple chain links mutually hooked；The adjusting means includes the first connection
Part, the second connector, adjusting rod and second spring；First connector includes hook framework, the first roller of left and right, gripped
Frame, the first bearing pin；One end of hook framework is provided with two hooks, and the other end is fixed on gripping frame bottom, left and right by rotary shaft
First roller is arranged on the both sides for the bottom for gripping frame, and the first bearing pin is arranged on the middle part for gripping frame；It is provided with the middle part of first bearing pin
Through hole；Second connector includes hook mechanism, the second roller of left and right, the second bearing pin；One end of hook mechanism is provided with two
Hook, the both sides of the other end are provided with the second roller of left and right；Second bearing pin is arranged on above the second roller of hook mechanism, the second pin
Screwed hole is provided with the middle part of axle；One end of the adjusting rod is provided with expansion-head, and the other end is provided with thread segment；Adjusting rod is sold through first
The through hole of axle, it is arranged on by thread segment in the screwed hole of the second bearing pin；The second spring is set on adjusting rod, positioned at swollen
Between swollen head and the first bearing pin；
The chain link includes chain link framework, the 3rd roller, the 3rd bearing pin, and one end of chain link framework is provided with two hooks, the
Three bearing pins are arranged on the other end of chain link framework, and the 3rd roller is arranged on the middle part of the 3rd bearing pin, and the both ends of the 3rd bearing pin are set
There is stop part, be connecting portion between the stop part and chain link framework of the 3rd bearing pin；First connector, the second connector hook in
A connecting portion for being hooked on a chain link, another is hooked on the wheel shaft of body side, and the hook of this chain link is hooked on
The connecting portion of other chain links is hooked on the wheel shaft of main body opposite side.
Specifically：The fastener is furnished with the chain link of different length.
Specifically：Hoodle is equipped with the inside of the hook of first connector, the second connector and chain link.When hook hooks
During bearing pin, hoodle is squeezed into hook inwall when bearing pin passes through hoodle position, bearing pin is behind hoodle position, hoodle appliance for releasing single again
Go out；It is to be hooked on stability when on other bearing pins to strengthen hook to set hoodle, hook is not easily disconnected from bearing pin.
Specifically：The trapezoidal block material of the voussoir is lucite.
Specifically：The ball protrusion arcwall face 1-4mm.
Specifically：The ball mounting hole is arranged on four corners of arcwall face.
Further specifically, be additionally provided with described pedestal front and rear two groups of gear drives, one enter water diverter,
One position coder；Preceding group of gear drive, it is connected with the magnet pulley and position coder of front end；After organize loading drive gear
Put, be connected with the magnet pulley of rear end；Enter the porch that entrance water source is diverted on two probe voussoirs by water diverter；Compile position
Code device to record magnet pulley movement distance.
Further specifically, described water diverter of entering is made up of an import and two outlets, by an entrance water source
The porch being diverted on two probe voussoirs.
Further specifically, being additionally provided with slide bar left and right moving control device in described pedestal, slide bar moves left and right control
There is gear to connect moving tooth on the inside of the second slide bar in device processed, control slide bar displacement.
Specifically, the thickness of described connection posting should ensure that the stability of whole support.
Specifically, described through hole and connecting rod are tight fit.
Ball, damping block described in this patent, are prior art.
Application method：Pipeline girth weld detection device is fastened in pipe under test by fastener first, is specially：
By estimating the diameter of pipe under test, using the link set of different length into the suitable chain pitch chain of length, first by adjusting means
The hook of first connector is hooked on the wheel shaft of the side of main body, and the hook of the second connector is hooked on the one of chain link chain tail end
On 3rd bearing pin of individual chain link, on the wheel shaft for the opposite side that the hook of another chain link of chain link chain head end is hooked on main body；Connect
Rotation adjusting lever, adjusts position of the thread segment of adjusting rod in the screwed hole of the second bearing pin, reaches the first connector of regulation
With the effect of the spacing of the second connector, also reach the purpose of the length of fine setting abridged edition auxiliary fixing device, make this fastener
Pipeline girth weld detection device is steadily fixed in pipe under test, and keeps the pressure of suitable roller and pipeline；Work as pipeline
When circumference weld inspection equipment needs to surround pipe under test progress seam inspection work, the roller set on the auxiliary fixing device will
Slide therewith, still ensure that pipeline girth weld detection device is bonded with steady between pipe under test, be advantageous to improve pipeline boxing
Stitch the reliability of detection device Effect on Detecting；And the spring between the expansion-head of adjusting rod and the first bearing pin is arranged on, ensure
The present apparatus has certain elastic length surplus, is easy to pipeline girth weld detection device to be moved around pipe under test.
Then voussoir is moved to pipe under test girth joint position, is specially：Adjusting knob is rotated, due to slide bar connector
Connecting 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, so that
Flaw detection probe bracket moves horizontally with the first slide bar and the second slide bar, the wedge being connected to the voussoir holder with probe bracket of detecting a flaw
Block stops when covering the position while welding of pipe under test；Now tighten slide bar jackscrew, slide bar jackscrew is held out against the first slide bar, then
One slide bar and the second slide bar will not be moved again, and voussoir position is fixed.
Then probe will be detected a flaw on voussoir by the connecting hole being arranged on voussoir, water system passes through water injection pipe
Inject water into, remain that water is flowed between voussoir and detected pipeline from the delivery port for being arranged on arcwall face, formed uniform
Couplant, complete highly sensitive ultrasonic examination operation；Managed moreover, ball reduces detection device when being moved on pipeline
Abrasion of the road to voussoir, add the service life of voussoir；The raised influence to operation of detecting a flaw of the exception on pipeline is also reduced,
Improve flaw detection Efficiency and accuracy.
Hand gear is finally rotated, then the rotate gear that what hand gear was set by side be meshed with wheel axle gear drives magnetic
Wheels rotates；Magnetic wheel, which rotates, drives main ring to be moved around pipe under test, and then makes voussoir and flaw detection probe around pipe under test
Weld seam carry out detection work.
By using above-mentioned technical proposal, the present invention has following beneficial effect：
1st, a kind of pipeline girth weld detection device of the invention is provided with fastener, and the device can examine pipeline girth weld
Measurement equipment is stabilized on pipeline, and can ensure that pipeline girth weld detection device steadily moves around pipe under test, so as to increase
The reliability of pipeline girth weld detection device Effect on Detecting.
2nd, fastener can adjust the spacing of the first connector and the second connector by adjusting rod, so as to finely tune abridged edition
The length of auxiliary fixing device, improve the auxiliary fixed effect of the present apparatus；And keep the pressure of suitable roller and pipeline.
3rd, it is equipped with roller on the adjusting means of fastener and chain link so that when pipeline girth weld detection device needs ring
When carrying out seam inspection work around pipe under test, the present apparatus can be slided integrally therewith, be easy to ensure pipeline girth weld detection device
Steady between pipe under test is bonded.
4th, the spring between the expansion-head of fastener and the first bearing pin, so as to ensure that the present apparatus has certain elasticity long
Surplus is spent, is easy to pipeline girth weld detection device to be moved around pipe under test.
5th, the voussoir of this equipment has the advantages of wear intensity is small, and service life is long；The voussoir can meet that a variety of ultrasonic waves are visited
Hinder job requirements, applied widely, flaw detection sensitivity is high.
6th, the setting of the arcwall face of voussoir may be such that probe contacts with detected pipeline external surface and more be bonded, and can meet
The ultrasonic examination requirement of different tube diameters；The setting of apopore make it that couplant is more uniform, reduces bubble to flaw detection spirit
The interference of sensitivity；Ball reduces in ultrasonic examination operation, the detection device mill of pipeline to voussoir when being moved on pipeline
Damage, add the service life of voussoir；And frictional force is reduced when detecting a flaw operation, the exception reduced on pipeline is raised right
The influence of flaw detection operation, improve flaw detection Efficiency and accuracy.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
In figure, 1- pedestals, 2- fasteners, 3- slide bar holders, 4- magnetic wheels, 5- adjusting knobs, 6- slide bar holders,
7- magnetic force pressing wheel mechanisms, 8- probes, 9- slide bars, 10- flaw detection probe brackets；11- slide bar jackscrews.
Fig. 2 is the structural representation that hand gear is connected by rotate gear with the wheel axle gear on wheel shaft.
In figure, 21- hand gears, 22- rotate gears, 23- wheel axle gears, 24- magnetic wheels.
Fig. 3 is the structural representation of flaw detection probe bracket.
In figure, 31- bracket holders, the springs of 32- first, 33- slide rails, 34- slide plates, 35- slide bar hitch, 36- voussoirs
Holder.
Fig. 4 is the structural representation of adjusting means.
Fig. 5 is the structural representation of the chain link of fastener.
Fig. 6 is the structural representation of the first connector of adjusting means.
Fig. 7 is the structural representation of the second connector of adjusting means.
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 rearview 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 connection sheet.
The connectors of 201- second, 202- adjusting rods, 203- springs, the connectors of 204- first, the bearing pins of 205- the 3rd, 206-
Three rollers, 207- hooks, the bearing pins of 208- first, the rollers of 209- first, the rollers of 210- second, the bearing pins of 211- second, 401- are trapezoidal
Voussoir body, 402- water injection pipes, 403- ball mounting holes, 404- connecting holes, 405- apopores, 406- damping block mounting grooves, 501-
Posting, 502- connecting rods are connected, 503- holds out against knob, 504- through holes, 505- screwed holes, 601- spring loop bars, 602- nuts,
603- springs, 604- connection sheets, 605- wheel carriers, 606- wheel shafts, 607- magnetic wheels, 608- pin-and-holes, 609- through holes, 610- bolts
Hole.
Embodiment
This patent is further explained with reference to the accompanying drawings and examples.But the protection domain of this patent is not limited to have
The embodiment of body.
Embodiment 1
As shown in drawings, a kind of pipeline girth weld detection device of this patent, the sound wave of flaw detection probe 8 is provided with for coordinating
Detector device is detected a flaw to pipeline girth weld, including main body, fastener 2, left and right flaw detection probe bracket 10 and left and right flaw detection
Probe 8.
The main body includes pedestal 1, the first slide bar, the second slide bar, slide bar jackscrew 11, left and right slide bar hitch 35, magnetic force
Wheel 4 and wheel shaft；The inner hollow of pedestal 1, the side of pedestal 1 are provided with the first slide opening and the second slide opening for the insertion that is parallel to each other；The
One 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 slided positioned at first
The top wire hole with slide opening insertion is provided with above hole and/or the second slide opening, slide bar jackscrew 11 is provided with top wire hole, for holding out against slide bar
9；Two threeth slide openings corresponding with the first slide bar and the second slide bar respectively are equipped with the slide bar hitch 35；First slides
Bar and the second slide bar are each passed through two the 3rd slide openings on slide bar hitch 35, make main body the first slide bar and the second slide bar with
Slide bar hitch 35 connects；The both sides of slide bar hitch 35 be additionally provided with two the second top wire holes to be connected respectively with the 3rd slide opening and
Two the second jackscrews, for holding out against the first slide bar and the second slide bar；
Pedestal 1 is provided with adjusting knob 5, and the lower section of adjusting knob 5 is connected with what is be meshed with the moving tooth on the inside of the second slide bar
Adjustment gear, the second sliding bar can be driven by adjustment gear by rotating adjusting knob 5；Two groups of magnetic wheels 4 pass through two respectively
Individual wheel shaft 606 is arranged on the lower section both sides of pedestal 1, and two wheel shafts 606 are parallel with the first slide bar；A wherein wheel shaft is provided with wheel shaft
Gear 23, the pedestal 1 above the wheel shaft are provided with hand gear 21, and the side of hand gear 21 is provided with rotate gear 22, and it passes through
Rotate gear 22 engages with wheel axle gear 23, and rotating hand gear 21 can drive magnetic wheel 4 to rotate；The connector of slide bar 9 connection the
One end of one slide bar and the second slide bar, make the first slide bar and the second slide bar while slide；Two flaw detection probe brackets 10 are symmetrically set
The other end in the first slide bar and the second slide bar is put, for connecting flaw detection probe 8；So, can be come by stirring hand gear 21
So that magnetic wheel 4 rotates, band moving base 1 and whole pipeline girth weld detection device move；
The left and right flaw detection probe bracket 10 includes voussoir holder 36, bracket holder 31, the second jackscrew, slide plate 34
With 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 with sliding
Rail 33 is connected and can slided up and down on slide rail 33；The top both ends of slide plate 34 are equipped with first be connected with bracket holder 31
Spring 32；Voussoir holder 36 is connected with the lower end of slide plate 34, for clamping voussoir；
The flaw detection probe 8 includes voussoir, ultrasonic phase array generator；
The voussoir includes trapezoidal block, damping block, two water injection pipes 402, balls；The trapezoidal block bottom surface is
Arcwall face, one side is provided with two mounting holes for being used to install water inlet pipe and several are used for voussoir and occurred with ultrasonic phase array
Multiple waterflood paths are provided below in the connecting hole 404 that device is connected, mounting hole, and two water injection pipes 402 are separately mounted to two
In mounting hole；Arcwall face is provided with least four ball mounting holes 403, and waterflood path end is passed through arcwall face and forms apopore
405；The ball is arranged in ball mounting hole 403；Another side is provided with the trapezoidal block installs for damping block
Groove 406, damping block is arranged in mounting groove；Ultrasonic phase array generator is fixed on voussoir prism；Voussoir is fixed on voussoir
On holder 36.Trapezoidal block material is lucite.Ball mounting hole 403 is arranged on four corners of arcwall face, and ball is convex
Go out arcwall face 1-4mm.Fastener 2 is used to main body being fastened on pipe under test；Fastener 2 is furnished with the chain of different length
Section.
The fastener 2 includes adjusting means and multiple chain links mutually hooked；The adjusting means includes first and connected
Fitting 204, the second connector 201, adjusting rod 202 and second spring 203；First connector 204 includes the frame of hook 207
Frame, the first roller 209 of left and right, grip frame, the first bearing pin 208；One end of the framework of hook 207 is provided with two hooks 207, the other end
Gripping frame bottom is fixed on by rotary shaft, the first roller of left and right 209 is arranged on the both sides for the bottom for gripping frame, the first bearing pin
208 are arranged on the middle part for gripping frame；The middle part of first bearing pin 208 is provided with through hole；Second connector 201 include hook mechanism,
Left and right the second roller 210, the 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 a left side
Right second roller 210；Second bearing pin 211 is arranged on the top of the second roller 210 of hook mechanism, and the middle part of the second bearing pin 211 is provided with
Screwed hole 505；One end of the adjusting rod 202 is provided with expansion-head, and the other end is provided with thread segment；Adjusting rod 202 is sold through first
The through hole of axle 208, it is arranged on by thread segment in the screwed hole of the second bearing pin 211；The second spring 203 is set in adjusting rod
On 202, between expansion-head and the first bearing pin 208；
The chain link includes chain link framework, the 3rd roller 206, the 3rd bearing pin 205, and one end of chain link framework is provided with two hooks
Pawl, the 3rd bearing pin 205 are arranged on the other end of chain link framework, and the 3rd roller 206 is arranged on the middle part of the 3rd bearing pin 205, and the 3rd
Bearing pin 205 is provided at both ends with stop part, is connecting portion between the stop part and chain link framework of the 3rd bearing pin 205；First connection
Part 204, the second connector 201 hook in a connecting portion for being hooked on a chain link, another is hooked on body side
Wheel shaft 606 on, 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
On.
The inner side of hook 207 of first connector 204, the second connector 201 and chain link is equipped with hoodle.Work as hook
During 207 hook bearing pin, hoodle is squeezed into the inwall of hook 207 when bearing pin passes through hoodle position, bearing pin is behind hoodle position, hoodle
Again automatic spring；It is to be hooked on stability when on other bearing pins to strengthen hook 207 to set hoodle, make hook 207 with
Bearing pin is not easily disconnected from.
Be provided with described pedestal 1 front and rear two groups of gear drives, one enter water diverter, one it is position encoded
Device, the left and right moving control device of slide bar 9.Its effect is respectively：First, nipper wheel transmission device, with the magnet pulley of front end 2 and position
Put encoder connection；Second, backgear transmission device, is connected with the magnet pulley of rear end 2；There is one to enter third, entering water diverter
Mouth and two outlets are formed, and an entrance water source is diverted into the porch on two 8 voussoirs of probe；Fourth, position coder
It is the distance for recording magnet pulley movement；Dialled fifth, there is gear to connect on the inside of the second slide bar in the left and right moving control device of slide bar 9
Tooth, control the displacement of slide bar 9.
In use, pipeline girth weld detection device is fastened in pipe under test by fastener 2 first, it is specially：
By estimating the diameter of pipe under test, using the link set of different length into the suitable chain pitch chain of length, first by adjusting means
The hook of first connector 204 is hooked on the wheel shaft 606 of the side of main body, and the hook of the second connector 201 is hooked on chain link
On 3rd bearing pin 205 of one chain link of chain tail end, the hook of another chain link of chain link chain head end is hooked on the another of main body
On the wheel shaft 606 of side；Then rotation adjusting lever 202, screwed hole 505 of the thread segment in the second bearing pin 211 of adjusting rod 202 is adjusted
Interior position, reach the effect of the spacing of the first connector 204 of regulation and the second connector 201, also reach fine setting abridged edition auxiliary
The purpose of the length of fixing device, this fastener 2 is set steadily to be fixed on pipeline girth weld detection device in pipe under test, and
Keep the pressure of suitable roller and pipeline；When pipeline girth weld detection device needs to surround pipe under test progress seam inspection work
When making, the roller set on the auxiliary fixing device will slide therewith, still ensure that pipeline girth weld detection device and treat test tube
Steady fitting between road, be advantageous to improve the reliability of pipeline girth weld detection device Effect on Detecting；And it is arranged on adjusting rod
Spring 203 between 202 expansion-head and the first bearing pin 208, ensure that the present apparatus has certain elastic length surplus, be easy to pipe
Road circumference weld inspection equipment moves around pipe under test.
Then voussoir is moved to pipe under test girth joint position, is specially：Adjusting knob 5 is rotated, because slide bar 9 connects
Part 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, so as to
Flaw detection probe bracket 10 is set to be moved horizontally with the first slide bar and the second slide bar, to the voussoir holder 36 with probe bracket 10 of detecting a flaw
The voussoir of connection stops when covering the position while welding of pipe under test；Slide bar jackscrew 11 is now tightened, holds out against slide bar jackscrew 11
First slide bar, then the first slide bar and the second slide bar will not move again, voussoir position is fixed.
Then probe 8 will be detected a flaw on voussoir by the connecting hole 404 being arranged on voussoir, water system passes through note
Water pipe 402 injects water into, and remains that water is flowed between voussoir and detected pipeline from the delivery port for being arranged on arcwall face, is formed
Uniform couplant, complete highly sensitive ultrasonic examination operation；Moved up moreover, ball reduces detection device in pipeline
Abrasion of the pipeline to voussoir when dynamic, add the service life of voussoir；The exception also reduced on pipeline is raised to operation of detecting a flaw
Influence, improve flaw detection Efficiency and accuracy.
Finally rotate hand gear 21, the then rotate gear being meshed with wheel axle gear 23 that hand gear 21 is set by side
22 drive magnetic wheels 4 rotate；Magnetic wheel 4, which rotates, drives main ring to be moved around pipe under test, and then makes voussoir and flaw detection 8 rings of probe
Weld seam around pipe under test carries out detection work.
Claims (10)
1. a kind of multifunction supersonic phased array pipeline girth weld detection device, the sonic analyzer of flaw detection probe is provided with for coordinating
Device is detected a flaw to pipeline girth weld, it is characterized in that：Including main body, magnetic force pressing wheel mechanism, auxiliary stand, fastener, left and right
Flaw detection probe bracket, left and right flaw detection probe；
The main body includes pedestal, the first slide bar, the second slide bar, slide bar jackscrew, left and right slide bar hitch, magnetic wheel and wheel shaft；
The base interior is hollow, and pedestal side is provided with the first slide opening and the second slide opening for the insertion that is parallel to each other；First slide bar is arranged on
In first slide opening；Second slide bar is arranged in the second slide opening, and inner side is provided with moving tooth；Pedestal is located at the first slide opening and/or the second cunning
The top wire hole with slide opening insertion is provided with above hole, slide bar jackscrew is provided with top wire hole, for holding out against slide bar；The left and right slide bar connection
Connect and two threeth slide openings corresponding with the first slide bar and the second slide bar respectively are equipped with frame；First slide bar and the second slide bar point
Two the 3rd slide openings that Chuan Guo be on slide bar hitch, the first slide bar and the second slide bar for making main body are connected with slide bar hitch；
Slide bar hitch both sides are additionally provided with two the second top wire holes to be connected respectively with the 3rd slide opening and two the second jackscrews, for pushing up
Tight first slide bar and the second slide bar；
Pedestal is provided with adjusting knob, and the regulation tooth being meshed with the moving tooth on the inside of the second slide bar is connected with below adjusting knob
Wheel, the second sliding bar can be driven by adjustment gear by rotating adjusting knob；Two groups of magnetic wheels are set by two wheel shafts respectively
The both sides below pedestal are put, two wheel shafts are parallel with the first slide bar；A wherein wheel shaft is provided with wheel axle gear, wheel shaft top
Pedestal be provided with hand gear, the hand gear side is provided with rotate gear, and it is engaged by rotate gear with wheel axle gear, turn
Thumb wheel of starting can drive magnetic wheel to rotate；Slide bar connector connects one end of the first slide bar and the second slide bar, makes the first slide bar
Slided simultaneously with the second slide bar；Two flaw detection probe brackets are symmetricly set on the other end of the first slide bar and the second slide bar, are used for
Connection flaw detection probe；
The magnetic force pressing wheel mechanism be arranged on outer the first slide bar away from pedestal one end of left and right slide bar hitch and the second slide bar it
Between, including magnetic wheel, wheel shaft, wheel carrier, connection sheet, spring loop bar, spring, nut, slide bar connection sheet；Wheel carrier is inverted U-shaped structure,
Its lower end both sides is equipped with pin-and-hole；Axis hole is provided with the middle part of magnetic wheel, magnetic wheel is arranged in wheel carrier, and wheel shaft passes through the pin-and-hole of wheel carrier
Magnetic wheel is connected with wheel carrier with the axis hole of magnetic wheel；Connection sheet one end is provided with the through hole that can pass through spring loop bar, the 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 connection sheet, on spring loop bar
End is provided with thread segment；Nut is arranged on thread segment；Spring is set on spring housing bar, and between connection sheet and nut；
Slide bar connection sheet both ends are connected with the first slide bar and the second slide bar respectively；It is provided with slide bar connection sheet identical with connection sheet one end
Bolt hole, the bolt hole of slide bar connection sheet and connection sheet is bolted；
The auxiliary stand and the first slide bar of main body and the second slide bar connect, including two connection postings, two connecting rods
Knob is held out against with four；The connection posting is cuboid framework, and the left and right side frame of cuboid framework is symmetrically set from top to bottom
It is equipped with multigroup through hole coordinated with connecting rod in correspondence with each other；Connecting rod is separately positioned on corresponding logical of two connection postings
In hole；Screwed hole is provided with connection posting or so lateral surface, knob is held out against and is arranged in screwed hole, for holding out against connection
Bar, prevent the relative connection posting displacement of connecting rod；
Described connecting rod external diameter is identical with the first slide bar and the second slide bar, and the first slide bar and the second slide bar are according to pipe to be detected
Road position is arranged in corresponding through hole；
The left and right flaw detection probe bracket includes voussoir holder, bracket holder, the second jackscrew, slide plate and slide rail；Support
Fixed mount is fixed on slide bar hitch；Slide rail is arranged in bracket holder, slide plate be connected with slide rail and can be on slide rail on
Lower slider；Both ends are equipped with the first spring being connected with bracket holder at the top of slide plate；Voussoir holder is connected with slide plate lower end,
For clamping voussoir；
The flaw detection probe includes voussoir, ultrasonic phase array generator；
The voussoir includes trapezoidal block, damping block, two water injection pipes, balls；The trapezoidal block bottom surface is arcwall face,
One side is provided with two mounting holes for being used to install water inlet pipe and several are connected for voussoir with ultrasonic phase array generator
Multiple waterflood paths are provided below in the connecting hole connect, mounting hole, and two water injection pipes are separately mounted in two mounting holes；Arc
Face is provided with least four ball mounting holes, and waterflood path end is passed through arcwall face and forms apopore；The ball is arranged on rolling
In pearl mounting hole；Another side is provided with the trapezoidal block is arranged in mounting groove for damping block mounting groove, damping block；
Ultrasonic phase array generator is fixed on voussoir prism；Voussoir is fixed on voussoir holder；
The fastener is used to main body being fastened on pipe under test；Fastener includes adjusting means and multiple mutually hooks
Chain link；The adjusting means includes the first connector, the second connector, adjusting rod and second spring；First connector
Including hook framework, the first roller of left and right, grip frame, the first bearing pin；One end of hook framework is provided with two hooks, and the other end leads to
Cross rotary shaft and be fixed on gripping frame bottom, the roller of left and right first is arranged on the both sides for the bottom for gripping frame, and the first bearing pin is arranged on
Grip the middle part of frame；Through hole is provided with the middle part of first bearing pin；Second connector includes hook mechanism, the second roller of left and right, the
Two bearing pins；One end of hook mechanism is provided with two hooks, and the both sides of the other end are provided with the second roller of left and right；Second bearing pin is arranged on
Above second roller of hook mechanism, screwed hole is provided with the middle part of the second bearing pin；One end of the adjusting rod is provided with expansion-head, another
End is provided with thread segment；Adjusting rod passes through the through hole of the first bearing pin, is arranged on by thread segment in the screwed hole of the second bearing pin；It is described
Second spring is set on adjusting rod, between expansion-head and the first bearing pin；
The chain link includes chain link framework, the 3rd roller, the 3rd bearing pin, and one end of chain link framework is provided with two hooks, the 3rd pin
Axle is arranged on the other end of chain link framework, and the 3rd roller is arranged on the middle part of the 3rd bearing pin, and the 3rd bearing pin is provided at both ends with resistance
Stopper, it is connecting portion between the stop part and chain link framework of the 3rd bearing pin；First connector, the second connector hook in one
The individual connecting portion for being hooked on a chain link, another is hooked on the wheel shaft of body side, and the hook of this chain link is hooked on other
The connecting portion of chain link is hooked on the wheel shaft of main body opposite side.
2. multifunction supersonic phased array pipeline girth weld detection device according to claim 1, it is characterized in that：Described is tight
It is fixedly mounted with and puts the chain link equipped with different length.
3. multifunction supersonic phased array pipeline girth weld detection device according to claim 1, it is characterized in that：Described
Hoodle is equipped with the inside of the hook of a connection piece, the second connector and chain link.
4. multifunction supersonic phased array pipeline girth weld detection device according to claim 1, it is characterized in that：Described wedge
The trapezoidal block material of block is lucite.
5. multifunction supersonic phased array pipeline girth weld detection device according to claim 1, it is characterized in that：Described rolling
Pearl protrusion arcwall face 1-4mm.
6. multifunction supersonic phased array pipeline girth weld detection device according to claim 1, it is characterized in that：Described rolling
Pearl mounting hole is arranged on four corners of arcwall face.
7. multifunction supersonic phased array pipeline girth weld detection device according to claim 1, it is characterized in that：Described base
Seat in be additionally provided with front and rear two groups of gear drives, one enter water diverter, a position coder；Preceding group of loading drive gear
Put, be connected with the magnet pulley and position coder of front end；After organize gear drive, be connected with the magnet pulley of rear end；Enter moisture
Entrance water source is diverted to the porch on two probe voussoirs by stream device；Position coder to record magnet pulley movement away from
From.
8. multifunction supersonic phased array pipeline girth weld detection device according to claim 1, it is characterized in that：Described base
Slide bar left and right moving control device is additionally provided with seat, has gear to connect on the inside of the second slide bar in slide bar left and right moving control device
Moving tooth, control slide bar displacement.
9. multifunction supersonic phased array pipeline girth weld detection device according to claim 1, it is characterized in that：Described enters
Water diverter is made up of an import and two outlets, and an entrance water source is diverted into the porch on two probe voussoirs.
10. multifunction supersonic phased array pipeline girth weld detection device according to claim 1, it is characterized in that：Described
Through hole and connecting rod are tight fit..
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610401035.5A CN106093198B (en) | 2015-10-09 | 2015-10-09 | High-stability supersonic 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 |
| CN201610401026.6A CN105891334B (en) | 2015-10-09 | 2015-10-09 | The ultrasonic phase array pipeline girth weld testing agency that can steadily move |
| CN201610401056.7A CN105891335B (en) | 2015-10-09 | 2015-10-09 | A kind of adjustable 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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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610401035.5A Division CN106093198B (en) | 2015-10-09 | 2015-10-09 | High-stability supersonic phased array pipeline girth weld detection device |
| 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 |
Publications (2)
| Publication Number | Publication Date |
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| CN105158336A CN105158336A (en) | 2015-12-16 |
| CN105158336B true CN105158336B (en) | 2017-12-22 |
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| 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 |
| CN201510644680.5A Active 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 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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- 2015-10-09 CN CN201610401026.6A patent/CN105891334B/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105891335B (en) | 2018-08-28 |
| CN105891334A (en) | 2016-08-24 |
| CN105891334B (en) | 2018-08-28 |
| CN106093198A (en) | 2016-11-09 |
| CN105891335A (en) | 2016-08-24 |
| CN105158336A (en) | 2015-12-16 |
| CN106093198B (en) | 2018-07-31 |
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