CN106093198A - High-stability supersonic phased array pipeline girth weld detection device - Google Patents
High-stability supersonic phased array pipeline girth weld detection device Download PDFInfo
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- CN106093198A CN106093198A CN201610401035.5A CN201610401035A CN106093198A CN 106093198 A CN106093198 A CN 106093198A CN 201610401035 A CN201610401035 A CN 201610401035A CN 106093198 A CN106093198 A CN 106093198A
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- slide bar
- slide
- wheel
- flaw detection
- hole
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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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
Abstract
Invention describes a kind of high-stability supersonic phased array pipeline girth weld detection device, including main body, magnetic force pressing wheel mechanism, clamp device, 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；Clamp device is for being fastened on pipe under test by main body, and magnetic force pressing wheel mechanism is arranged between the first slide bar and the second slide bar, and flaw detection probe bracket connects flaw detection probe and assists flaw detection probe to carry out detecting work to the weld seam of pipe under test.This device around flaw detection pipeline smooth rotation, thus can prevent the fortuitous events such as vibration from affecting Detection results in carrying out pipeline girth weld detection work, makes this equipment have applied widely, and flaw detection sensitivity is high, detection efficiency advantages of higher.
Description
Technical field
The present invention relates to pipeline inspection technical field, particularly a kind of high-stability supersonic phased array pipeline girth weld detection
Device.
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；Use A type pulse ultrasonic wave detection, defect shows the most directly perceived, it is impossible to display defect shape, testing result and
Defectoscopy is affected by human factors greatly, defects detection evaluation poor repeatability；Employing X-ray detection is more and more difficult even can not
Detection (penetration power is not enough)；Use gamma-rays detection security protection tired can (some place do not allow uses), detect time length, detection
The limited time, half-life are 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.Expect there is a kind of novel detection method that can overcome above-mentioned detection shortcoming.
Ultrasonic phased array technology: phased array english abbreviation PA, at field of non destructive testing, is a kind of senior normal
Rule ultrasonic detection technology.Utilize similar phased-array radar, sonar and the principle of other wave physics application, be that one is passed through
The time of electron excitation is different and changes the technology of probe performance, is also a kind of scanning and the method for imaging.Especially to welding
Application in terms of joint (including flat board docking, the docking of T angle, the docking of Y angle etc.) weld seam detection has unique advantage, this be TOFD,
The detection methods such as RT cannot realize.Can effectively detect the various planar defects in welding point and volume flaw.Detection
Result shows with pictorial form, and for defect location, quantitative, qualitative, defining the level provides abundant information.
Wherein, ultrasonic phase array is the combination of ultrasonic probe wafer, multiple piezoelectric chips be distributed row according to certain rules
Row, the most gradually by exciting each wafer prespecified time delay, the ultrasound wave that all wafers is launched forms an entirety
Wave surface, can efficiently control shape and the direction launching ultrasonic beam (wave surface), can realize the beam scanning of ultrasound wave, deflection
And focusing
In emission process, triggering signal is sent to phased array controller by crack detector.Phased array controller translates the signals into into
Specific high electric field pulse, pulse width presets, and time delay is then defined by focusing rule.Each wafer only receives one
Electric pulse, the ultrasonic beam so produced just has certain angle, and focuses on certain depth.This acoustic beam runs into defect and is i.e. reflected back
Come；After receiving echo-signal, collectiong focusing rule conversion time pressed by phased array controller, and converges together by these signals, is formed
One pulse signal, is sent to crack detector；Through Digital Control software analogue signal changed into and be easy to computer measurement
Digital information and display.
But, existing scanner is only suitable for container butt weld detection, has the following aspects to be not suitable for curvature bigger
Sizing In Butt Welded Pipes detection.One, scanner horizontal magnet-wheel spacing is relatively big, is not suitable for the adjustment of curvature on a large scale；Its two, visit
Head bracket upper and lower displacement is less, is not suitable for elbow, threeway, concentric reducer and straight tube butt girth welding seam scanning；Its three, probe voussoir relatively
Be not suitable for greatly elbow welded junction detection；Its four, for diameter in the detection of the straight tube butt girth welding seam of φ 159～φ 1100mm, on
State equipment the most very inconvenient；Its five, for elbow, threeway, concentric reducer and straight tube weldering butt girth welding seam detection helpless.
Summary of the invention
The technical problem to be solved is to provide a kind of high-stability supersonic phased array pipeline girth weld detection dress
Putting, this device can solve simultaneously subtract rapidly around flaw detection pipeline smooth rotation in carrying out pipeline girth weld detection work
During the pipeline inspection of footpath, detection equipment such as cannot effectively fix at the problem；This device has applied widely, good stability, flaw detection spirit
Sensitivity advantages of higher.
In order to realize solving the purpose of above-mentioned technical problem, present invention employs following technical scheme:
A kind of high-stability supersonic phased array pipeline girth weld detection device, for coordinating the sonic analyzer being provided with flaw detection probe
Pipeline girth weld is detected a flaw by device, it is characterized in that: include main body, magnetic force pressing wheel mechanism, auxiliary stand, clamp device, left and right
Flaw detection probe bracket, left and right flaw detection probe；
Described 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；
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 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 positioned at the first slide opening and/or second and slides
Hole is arranged over the top wire hole through with slide opening, is provided with slide bar jackscrew in top wire hole, is used for holding out against slide bar；Described left and right slide bar connection
Connect and on frame, be equipped with two the 3rd corresponding with the first slide bar and the second slide bar respectively slide openings；First slide bar and the second slide bar divide
Not Chuan Guo two the 3rd slide openings on slide bar hitch, make main body be connected with slide bar hitch；Slide bar hitch both sides are additionally provided with
Two the second top wire holes connected with the 3rd slide opening respectively and two the second jackscrews, be used for holding out against the first slide bar and second and slide
Bar；
Pedestal is provided with adjusting knob, and connecting below adjusting knob has the regulation tooth being meshed with the moving tooth inside the second slide bar
Wheel, rotating adjusting knob can be by regulation gear driven the second sliding bar；Two groups of magnetic wheels are set by two wheel shafts respectively
Putting both sides below pedestal, two wheel shafts are all parallel with the first slide bar；Wherein a wheel shaft is provided with wheel axle gear, above this wheel shaft
Pedestal be provided with hand gear, described hand gear side is provided with rotation gear, its by rotate gear engage with wheel axle gear, turn
Starting thumb wheel can drive magnetic wheel to rotate；Slide bar connector connects the first slide bar and one end of the second slide bar, makes the first slide bar
Slide with the second slide bar simultaneously；Two flaw detection probe brackets are symmetricly set on the first slide bar and the other end of the second slide bar, are used for
Connect flaw detection probe；As such, it is possible to by stirring hand gear, make magnetic wheel rotate, band moving base and whole pipeline boxing
Seam detection equipment moves；
Described 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, connect sheet including magnetic wheel, wheel shaft, wheel carrier, connection sheet, spring loop bar, spring, nut, slide bar；Wheel carrier is inverted U structure,
Its both sides, lower end are equipped with pin-and-hole；Being provided with axis hole in the middle part of magnetic wheel, magnetic wheel is arranged in wheel carrier, and wheel shaft is through the pin-and-hole of wheel carrier
With the axis hole of magnetic wheel, magnetic wheel is connected with wheel carrier；Connect sheet one end and be provided with the through hole that can pass 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, on spring loop bar through the through hole connecting sheet
End is provided with thread segment；Nut is arranged on thread segment；Spring housing is located on spring loop bar, and is connecting between sheet and nut；
Slide bar connects sheet two ends and is connected with the first slide bar and the second slide bar respectively；It is provided with identical with connecting sheet one end on slide bar connection sheet
Bolt hole, slide bar connect sheet be bolted with the bolt hole being connected sheet；
So, make spring be in compressive state by adjusting nut, then slide bar can be applied downward by connecting sheet by spring
Active force, and then detection device is applied downward active force, thus prevent because of the flaw detection probe of pipeline girth weld detection device
And occur between pipe under test trembling, producing gap and affect flaw detection effect；
Described auxiliary stand is connected with the first slide bar and second slide bar of main body, including two connection postings, two connecting rods
Knob is held out against with four；Described connection posting is cuboid framework, and the left and right side frame of cuboid framework symmetry from top to bottom sets
It is equipped with many groups through hole coordinated with connecting rod in correspondence with each other；Connecting rod is separately positioned on two corresponding leading to of connection posting
In hole；Connect and be provided with screwed hole on the lateral surface of posting left and right, hold out against knob and be arranged in screwed hole, be used for holding out against connection
Bar, prevents connecting rod from relatively connecting posting displacement；
Described connecting rod external diameter and the first slide bar and the second slide bar are identical, and the first slide bar and the second slide bar are according to pipe to be detected
Position, road is arranged in corresponding through hole；So, when carrying out carrying out flaw detection, do not move the whole detection device fixed,
Not only the weld seam of different length position can be detected, moreover it is possible to connecting posting by adjusting the first slide bar and the second slide bar
Height and position in two side through hole, carries out weld seam detection to tube reducing pipeline；
Described left and right flaw detection probe bracket all includes voussoir holder, bracket holder, slide plate and slide rail；Bracket holder is fixed
At slide bar hitch；Slide rail is arranged in bracket holder, and slide plate is connected with slide rail and can slide up and down on slide rail；Slide plate
Two ends, top are equipped with the first spring being connected with bracket holder；Voussoir holder is connected with slide plate lower end, for clamping wedge
Block；
Described flaw detection probe includes voussoir, ultrasonic phase array generator；
Described voussoir includes trapezoidal block, damping block, two water injection pipes, balls；Described trapezoidal block bottom surface is arcwall face, side
Face is provided with two for being installed into what the installing hole of water pipe was connected with ultrasonic phase array generator for voussoir with several
Connecting hole, installing hole is provided below multiple waterflood path, and two water injection pipes are separately mounted in two installing holes；Arcwall face sets
Being equipped with at least four ball installing hole, waterflood path end is passed through arcwall face and forms apopore；Described ball is arranged on ball peace
In dress hole；On described trapezoidal block, another side is provided with for damping block mounting groove, and damping block is arranged in mounting groove；Ultrasonic
Phased array generator is fixed on voussoir prism；Voussoir is fixed on voussoir holder；
Described clamp device is for being fastened on pipe under test by main body；
Described clamp device includes adjusting means and the chain link of multiple mutual hook；Described adjusting means include the first connector,
Second connector, adjusting rod and the second spring；Described first connector include hook framework, left and right the first roller, grip frame, the
One bearing pin；One end of hook framework is provided with two hooks, and the other end is fixed on gripping frame bottom by rotary shaft, and left and right first is rolled
Wheel is arranged on the both sides of the bottom gripping frame, and the first bearing pin is arranged on the middle part gripping frame；It is provided with through hole in the middle part of first bearing pin；Institute
State the second connector and include hook mechanism, left and right the second roller, the second bearing pin；One end of hook mechanism is provided with two hooks, separately
The both sides of one end are provided with left and right the second roller；Second bearing pin is arranged on above the second roller of hook mechanism, in the middle part of the second bearing pin
It is provided with screwed hole；One end of described adjusting rod is provided with expansion-head, and the other end is provided with thread segment；Adjusting rod leading to through the first bearing pin
Hole, is arranged in the screwed hole of the second bearing pin by thread segment；Described second spring housing is located on adjusting rod, be positioned at expansion-head with
Between first bearing pin；
Described 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 two ends of the 3rd bearing pin are provided with resistance
Stopper, is connecting portion between stop part and the chain link framework of the 3rd bearing pin；First connector, the second connector hook in one
The individual connecting portion 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 or be hooked on the wheel shaft of main body opposite side.
Concrete: described clamp device is furnished with the chain link of different length.
Concrete: it is equipped with hoodle inside the hook of described first connector, the second connector and chain link.When hook hook
During bearing pin, hoodle is clamp-oned hook inwall by bearing pin through hoodle position, bearing pin behind hoodle position, hoodle appliance for releasing single again
Go out；Arranging hoodle is to strengthen stability when hook is hooked on other bearing pins, making hook be not easily disconnected from bearing pin.
Concrete: the trapezoidal block material of described voussoir is lucite.
Concrete: described ball protrudes arcwall face 1-4mm.
Concrete: described ball installing hole is arranged on four corners of arcwall face.
The most concrete, be additionally provided with in described pedestal two groups of gear drives of before and after, water inlet diverter,
One position coder；Front group of gear drive, is connected with magnet pulley and the position coder of front end；Rear group of loading drive gear
Put, be connected with the magnet pulley of rear end；Entrance water source is diverted to the porch on two probe voussoirs by water inlet diverter；Position is compiled
Code device is in order to record the distance that magnet pulley moves.
The most concrete, described water inlet diverter is made up of an import and two outlets, by an entrance water source
It is diverted to the porch on two probe voussoirs.
The most concrete, it is 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 inside the second slide bar in device processed, control slide bar displacement.
Concrete, the described thickness connecting posting should ensure that the stability of whole support.
Concrete, described through hole and connecting rod are tight fit.
Ball described in this patent, damping block, be prior art.
Using method: first pass through clamp device and pipeline girth weld is detected device be fastened in pipe under test, particularly as follows:
By estimating the diameter of pipe under test, the link set of different length is utilized to become length suitable chain pitch chain, first by adjusting means
On the wheel shaft of the side that the hook of the first connector is hooked on main body, 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 of 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, the thread segment of adjustment adjusting rod position in the screwed hole of the second bearing pin, reach to regulate the first connector
With the effect of the spacing of the second connector, also reach to finely tune the purpose of the length of abridged edition auxiliary fixing device, make this clamp device
Pipeline girth weld is detected device be steadily fixed in pipe under test, and keep the pressure of suitable roller and pipeline；Work as pipeline
Circumference weld inspection device needs when pipe under test carries out seam inspection work, and the roller that this auxiliary fixing device is arranged will
Slide therewith, still ensure that the steady laminating between pipeline girth weld detection device and pipe under test, be conducive to improving pipeline boxing
The reliability of seam detection device Effect on Detecting；And it is arranged on the spring between the expansion-head of adjusting rod and the first bearing pin, it is ensured that
This device has certain elastic length surplus, it is simple to pipeline girth weld detection device ring moves around pipe under test.
Then voussoir is moved to pipe under test girth joint position, particularly as follows: rotate adjusting knob, due to slide bar connector
Connect the first slide bar and one end of 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, to the wedge being connected with the voussoir holder of flaw detection probe bracket
Block stops when covering 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
One slide bar and the second slide bar will not move again, and voussoir position is fixed.
Then flaw detection probe is arranged on voussoir by the connecting hole by being arranged on voussoir, and water system passes through water injection pipe
Inject water into, remain that water flows between voussoir and detected pipeline from the outlet being arranged on arcwall face, formed uniform
Couplant, completes highly sensitive ultrasonic examination operation；And, ball decreases and manages when detection equipment moves on pipeline
The road abrasion to voussoir, adds the service life of voussoir；Also reduce the protruding impact on flaw detection operation of the exception on pipeline,
Improve flaw detection Efficiency and accuracy.
Finally rotate hand gear, then the rotation gear driven magnetic being meshed with wheel axle gear that hand gear is arranged by side
Wheels rotates；Magnetic wheel rotates and drives main ring to move around pipe under test, and then makes voussoir and flaw detection probe around pipe under test
Weld seam carry out detect work.
By using technique scheme, the present invention has a following beneficial effect:
1, a kind of pipeline girth weld detection equipment of the present invention is provided with clamp device, and this device can be by pipeline girth weld detection dress
Put and be stabilized on pipeline, and ensure that pipeline girth weld detection device ring steadily moves around pipe under test, thus increase pipeline
The reliability of circumference weld inspection device Effect on Detecting.
2, clamp device can regulate the first connector and the spacing of the second connector by adjusting rod, thus finely tunes abridged edition
The length of auxiliary fixing device, improves the auxiliary fixed effect of this device；And keep the pressure of suitable roller and pipeline.
3, it is equipped with roller on the adjusting means of clamp device and chain link so that when pipeline girth weld detection device needs ring
When pipe under test carries out seam inspection work, this device energy entirety is slided therewith, it is simple to ensure pipeline girth weld detection device
And the steady laminating between pipe under test.
4, the spring between expansion-head and first bearing pin of clamp device, thus ensure that this device has certain elastic length
Degree surplus, it is simple to pipeline girth weld detection equipment moves around pipe under test.
5, to have wear intensity little for the voussoir of this equipment, service life length advantage；This voussoir can meet multiple ultrasound wave and visit
Hindering job requirements, applied widely, flaw detection sensitivity is high.
6, the setting of the arcwall face of voussoir can make to pop one's head in contact with detected pipeline external surface and more fit, and can meet
The ultrasonic examination requirement of different tube diameters；The setting of apopore makes couplant more uniform, decreases blister to flaw detection spirit
The interference of sensitivity；Ball decreases when ultrasonic examination operation, the pipeline mill to voussoir when detection equipment moves on pipeline
Damage, add the service life of voussoir；And reduce frictional force when detecting a flaw operation, reduce the exception on pipeline protruding right
The impact of flaw detection operation, improves flaw detection Efficiency and accuracy.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention.
In figure, 1-pedestal, 2-clamp device, 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 that hand gear is by rotating the structural representation that gear is connected with the wheel axle gear on wheel shaft.
In figure, 21-hand gear, 22-rotates 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-the first spring, 33-slide rail, 34-slide plate, 35-slide bar hitch, 36-voussoir
Holder.
Fig. 4 is the structural representation of adjusting means.
Fig. 5 is the structural representation of the chain link of clamp device.
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 connecting sheet.
201-the second connector, 202-adjusting rod, 203-spring, 204-the first connector, 205-the 3rd bearing pin, 206-
Three rollers, 207-hook, 208-the first bearing pin, 209-the first roller, 210-the second roller, 211-the second bearing pin, 401-is trapezoidal
Voussoir body, 402-water injection pipe, 403-ball installing hole, 404-connecting hole, 405-apopore, 406-damping block mounting groove, 501-
Connecting posting, 502-connecting rod, 503-holds out against knob, 4-through hole, 505-screwed hole, 601-spring loop bar, 602-nut,
603-spring, 604-connects sheet, 605-wheel carrier, 606-wheel shaft, 607-magnetic wheel, 608-pin-and-hole, 609-through hole, 610-bolt
Hole, 611 slide bars connect sheet.
Detailed description of the invention
With embodiment, this patent is further explained below in conjunction with the accompanying drawings.But the protection domain of this patent is not limited to tool
The embodiment of body.
Embodiment 1
As shown in drawings, a kind of pipeline girth weld detection device of this patent, for coordinating the sonic flaw detection being provided with flaw detection probe 8
Pipeline girth weld is detected a flaw by instrument, including main body, clamp device 2, left and right flaw detection probe bracket 10 and left and right flaw detection probe
8。
Described main body includes pedestal the 1, 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；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；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；It is sliding that pedestal 1 is positioned at first
Hole and/or the second slide opening are arranged over the top wire hole through with slide opening, are provided with slide bar jackscrew 11 in top wire hole, are used for holding out against slide bar
9；Two the 3rd corresponding with the first slide bar and the second slide bar respectively slide openings it are equipped with on described slide bar hitch 35；First is sliding
Two the 3rd slide openings that bar and the second slide bar are each passed through on slide bar hitch 35, make main body be connected with slide bar hitch 35；Sliding
Bar hitch 35 both sides are additionally provided with two the second top wire holes connected respectively and two the second jackscrews with the 3rd slide opening, are used for pushing up
Tight first slide bar and the second slide bar；
Pedestal 1 is provided with adjusting knob 5, and connecting below adjusting knob 5 has the regulation being meshed with the moving tooth inside the second slide bar
Gear, rotating adjusting knob 5 can be by regulation gear driven the second sliding bar；Two groups of magnetic wheels 4 are respectively by two wheels
Axle 606 is arranged on both sides below pedestal 1, and two wheel shafts 606 are all parallel with the first slide bar；Wherein a wheel shaft is provided with wheel axle gear
23, the pedestal 1 above this wheel shaft is provided with hand gear 21, and described hand gear 21 side is provided with rotation gear 22, and it is by rotating
Gear 22 engages with wheel axle gear 23, rotates hand gear 21 and magnetic wheel 4 can be driven to rotate；It is sliding that slide bar 9 connector connects first
Bar and one end of the second slide bar, make the first slide bar and the second slide bar slide simultaneously；Two flaw detection probe brackets 10 are symmetricly set on
First slide bar and the other end of the second slide bar, be used for connecting flaw detection probe 8；As such, it is possible to by stirring hand gear 21, make
Magnetic wheel 4 rotates, and band moving base 1 and whole pipeline girth weld detection equipment move；
Described left and right flaw detection probe bracket 10 all includes voussoir holder 36, bracket holder the 31, second jackscrew, slide plate 34 and slides
Rail 33；Bracket holder 31 is fixed on slide bar hitch 35；Slide rail 33 is arranged in bracket holder 31, slide plate 34 and slide rail 33
Connect and can slide up and down on slide rail 33；Two ends, slide plate 34 top are equipped with the first spring being connected with bracket holder 31
32；Voussoir holder 36 is connected with slide plate 34 lower end, is used for clamping voussoir；
Described flaw detection probe 8 includes voussoir, ultrasonic phase array generator；
Described voussoir includes trapezoidal block, damping block, two water injection pipes 402, balls；Described trapezoidal block bottom surface is arc
Face, one side is provided with two for being installed into the installing hole of water pipe and several are for voussoir and ultrasonic phase array generator phase
The connecting hole 404 connected, installing hole is provided below multiple waterflood path, and two water injection pipes 402 are separately mounted to two installations
In hole；Arcwall face is provided with at least four ball installing hole 403, and waterflood path end is passed through arcwall face and forms apopore 405；Institute
State ball to be arranged in ball installing hole 403；On described trapezoidal block, another side is provided with for damping block mounting groove 406,
Damping block is arranged in mounting groove；Ultrasonic phase array generator is fixed on voussoir prism；Voussoir is fixed on voussoir holder
On 36.Trapezoidal block material is lucite.Ball installing hole 403 is arranged on four corners of arcwall face, and ball protrudes arc
Face 1-4mm.Clamp device 2 is for being fastened on pipe under test by main body；Clamp device 2 is furnished with the chain link of different length.
Described clamp device 2 includes adjusting means and the chain link of multiple mutual hook；Described adjusting means includes first even
Fitting the 204, second connector 201, adjusting rod 202 and the second spring 203；Described first connector 204 includes hook 207 frame
Frame, left and right the first roller 209, gripping frame, the first bearing pin 208；One end of hook 207 framework is provided with two hooks 207, the other end
Being fixed on gripping frame bottom by rotary shaft, left and right the first roller 209 is arranged on the both sides of the bottom gripping frame, the first bearing pin
208 are arranged on the middle part gripping frame；It is provided with through hole in the middle part of first bearing pin 208；Described second connector 201 include hook mechanism,
Left and right second roller the 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 a left side
Right second roller 210；Second bearing pin 211 is arranged on above the second roller 210 of hook mechanism, is provided with in the middle part of the second bearing pin 211
Screwed hole 505；One end of described adjusting rod 202 is provided with expansion-head, and the other end is provided with thread segment；Adjusting rod 202 is through the first pin
The through hole of axle 208, is arranged in the screwed hole 505 of the second bearing pin 211 by thread segment；Described second spring 603 is set in tune
On pole 202, between expansion-head and the first bearing pin 208；
Described chain link includes chain link framework, the 3rd roller the 206, the 3rd bearing pin 205, and 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, and the 3rd roller 206 is arranged on the middle part of the 3rd bearing pin 205, the 3rd bearing pin
The two ends of 205 are provided with stop part, are connecting portion between stop part and the chain link framework of the 3rd bearing pin 205；First connector
204, a connecting portion being hooked on a chain link in the hook of the second connector 201, another is hooked on body side
On wheel shaft 606, 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.
It is equipped with hoodle inside the hook 207 of described first connector the 204, second connector 201 and chain link.Work as hook
During 207 hook bearing pin, hoodle is clamp-oned hook 207 inwall by bearing pin through hoodle position, bearing pin behind hoodle position, hoodle
Again automatic spring；Arranging hoodle is to strengthen stability when hook 207 is hooked on other bearing pins, make hook 207 with
Bearing pin is not easily disconnected from.
Be provided with in described pedestal 1 two groups of gear drives of before and after, water inlet diverter, one position encoded
Device, slide bar 9 left and right moving control device.It acts on respectively: one, front gear actuating device, with 2, front end magnet pulley and position
Put encoder to connect；Its two, backgear actuating device, be connected with 2, rear end magnet pulley；Its three, water inlet diverter have one to enter
Mouth and two outlet compositions, be diverted to the porch on two probe 8 voussoirs by an entrance water source；Its four, position coder
It is to record the distance that magnet pulley moves；Its five, have in slide bar 9 left and right moving control device gear connect inside the second slide bar dial
Tooth, controls slide bar 9 displacement.
During use, first pass through clamp device 2 and pipeline girth weld is detected device be fastened in pipe under test, particularly as follows:
By estimating the diameter of pipe under test, the link set of different length is utilized to become length suitable chain pitch chain, first by adjusting means
On the wheel shaft 606 of the side that the hook of the first connector 204 is hooked on main body, 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 another of main body
On the wheel shaft 606 of side；Then rotation adjusting lever 202, adjust the thread segment screwed hole 505 at the second bearing pin 211 of adjusting rod 202
Interior position, reaches to regulate the effect of the spacing of the first connector 204 and the second connector 201, also reaches to finely tune abridged edition auxiliary
The purpose of the length of fixing device, makes this clamp device 2 that pipeline girth weld is detected device and is steadily fixed in pipe under test, and
Keep the pressure of suitable roller and pipeline；When pipeline girth weld detection device needs to carry out seam inspection work around pipe under test
When making, the roller that this auxiliary fixing device is arranged will slide therewith, still ensure that pipeline girth weld detection device and treat test tube
Steady laminating between road, is conducive to improving the reliability of pipeline girth weld detection equipment Effect on Detecting；And it is arranged on adjusting rod
Spring 603 between expansion-head and first bearing pin 208 of 202, it is ensured that this device has certain elastic length surplus, it is simple to pipe
Road circumference weld inspection device ring moves around pipe under test.
Then voussoir is moved to pipe under test girth joint position, particularly as follows: rotate adjusting knob 5, owing to slide bar 9 connects
Part connects the first slide bar and one end of 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 made to move horizontally with the first slide bar and the second slide bar, to the voussoir holder 36 with flaw detection probe bracket 10
The voussoir connected stops when covering the position while welding of pipe under test；Now tighten slide bar jackscrew 11, make slide bar jackscrew 11 hold out against
First slide bar, then the first slide bar and the second slide bar will not move again, and voussoir position is fixed.
Then flaw detection probe 8 is arranged on voussoir by the connecting hole 404 by being arranged on voussoir, and water system is by note
Water pipe 402 injects water into, and remains that water flows between voussoir and detected pipeline from the outlet being arranged on arcwall face, is formed
Uniform couplant, completes highly sensitive ultrasonic examination operation；And, ball decreases detection equipment and moves on pipeline
The pipeline abrasion to voussoir time dynamic, adds the service life of voussoir；Also reduce the exception on pipeline protruding to flaw detection operation
Impact, improve flaw detection Efficiency and accuracy.
Finally rotate hand gear 21, then the rotation gear being meshed with wheel axle gear 23 that hand gear 21 is arranged by side
22 drive 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 rings
Weld seam around pipe under test carries out detecting work.
Claims (6)
1. a high-stability supersonic phased array pipeline girth weld detection device, for coordinating the sonic flaw detection being provided with flaw detection probe
Pipeline girth weld is detected a flaw by instrument, it is characterized in that: include main body, magnetic force pressing wheel mechanism, clamp device, left and right flaw detection probe
Support, left and right flaw detection probe；
Described 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；
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 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 positioned at the first slide opening and/or second and slides
Hole is arranged over the top wire hole through with slide opening, is provided with slide bar jackscrew in top wire hole, is used for holding out against slide bar；Described left and right slide bar connection
Connect and on frame, be equipped with two the 3rd corresponding with the first slide bar and the second slide bar respectively slide openings；First slide bar and the second slide bar divide
Not Chuan Guo two the 3rd slide openings on slide bar hitch, make main body be connected with slide bar hitch；Slide bar hitch both sides are additionally provided with
Two the second top wire holes connected with the 3rd slide opening respectively and two the second jackscrews, be used for holding out against the first slide bar and second and slide
Bar；
It is additionally provided with slide bar left and right moving control device in pedestal, has gear to connect second in slide bar left and right moving control device sliding
Moving tooth inside bar, controls slide bar displacement；
Pedestal is provided with adjusting knob, and connecting below adjusting knob has the regulation tooth being meshed with the moving tooth inside the second slide bar
Wheel, rotating adjusting knob can be by regulation gear driven the second sliding bar；Two groups of magnetic wheels are set by two wheel shafts respectively
Putting both sides below pedestal, two wheel shafts are all parallel with the first slide bar；Wherein a wheel shaft is provided with wheel axle gear, above this wheel shaft
Pedestal be provided with hand gear, described hand gear side is provided with rotation gear, its by rotate gear engage with wheel axle gear, turn
Starting thumb wheel can drive magnetic wheel to rotate；Slide bar connector connects the first slide bar and one end of the second slide bar, makes the first slide bar
Slide with the second slide bar simultaneously；Two flaw detection probe brackets are symmetricly set on the first slide bar and the other end of the second slide bar, are used for
Connect flaw detection probe；
Described 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, connect sheet including magnetic wheel, wheel shaft, wheel carrier, connection sheet, spring loop bar, spring, nut, slide bar；Wheel carrier is inverted U structure,
Its both sides, lower end are equipped with pin-and-hole；Being provided with axis hole in the middle part of magnetic wheel, magnetic wheel is arranged in wheel carrier, and wheel shaft is through the pin-and-hole of wheel carrier
With the axis hole of magnetic wheel, magnetic wheel is connected with wheel carrier；Connect sheet one end and be provided with the through hole that can pass 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, on spring loop bar through the through hole connecting sheet
End is provided with thread segment；Nut is arranged on thread segment；Spring housing is located on spring loop bar, and is connecting between sheet and nut；
Slide bar connects sheet two ends and is connected with the first slide bar and the second slide bar respectively；It is provided with identical with connecting sheet one end on slide bar connection sheet
Bolt hole, slide bar connect sheet be bolted with the bolt hole being connected sheet；
Described left and right flaw detection probe bracket all 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, on slide plate is connected with slide rail and can be on slide rail
Lower slider；Two ends, slide plate top are equipped with the first spring being connected with bracket holder；Voussoir holder is connected with slide plate lower end,
For clamping voussoir；
Described flaw detection probe includes voussoir, ultrasonic phase array generator；
Described voussoir includes trapezoidal block, damping block, two water injection pipes, balls；Described trapezoidal block bottom surface is arcwall face,
One side is provided with two and is connected with ultrasonic phase array generator for voussoir with several for being installed into the installing hole of water pipe
The connecting hole connect, installing hole is provided below multiple waterflood path, and two water injection pipes are separately mounted in two installing holes；Arc
Face is provided with at least four ball installing hole, and described ball installing hole is arranged on four corners of arcwall face；Waterflood path end
End is passed through arcwall face and forms apopore；Described ball is arranged in ball installing hole；On described trapezoidal block, another side is arranged
Having for damping block mounting groove, damping block is arranged in mounting groove；Ultrasonic phase array generator is fixed on voussoir prism；Wedge
Block is fixed on voussoir holder；
Described clamp device is for being fastened on pipe under test by main body；.
High-stability supersonic phased array pipeline girth weld the most according to claim 1 detection device, is characterized in that: described
Clamp device is furnished with the chain link of different length.
High-stability supersonic phased array pipeline girth weld the most according to claim 1 detection device, is characterized in that: described
The trapezoidal block material of voussoir is lucite.
High-stability supersonic phased array pipeline girth weld the most according to claim 1 detection device, is characterized in that: described
Ball protrudes arcwall face 1-4mm.
High-stability supersonic phased array pipeline girth weld the most according to claim 1 detection device, is characterized in that: described
Two groups of gear drives of before and after, water inlet diverter, a position coder it is additionally provided with in pedestal；Front group of gear drive
Device, is connected with magnet pulley and the position coder of front end；Rear group of gear drive, is connected with the magnet pulley of rear end；Water inlet
Entrance water source is diverted to the porch on two probe voussoirs by diverter；Position coder in order to record that magnet pulley moves away from
From.
High-stability supersonic phased array pipeline girth weld the most according to claim 1 detection device, is characterized in that: described
Water inlet diverter is made up of an import and two outlets, and an entrance water source is diverted to the entrance on two probe voussoirs
Place.
Priority Applications (1)
| 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 |
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| 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 |
| CN201610401035.5A CN106093198B (en) | 2015-10-09 | 2015-10-09 | High-stability supersonic phased array pipeline girth weld detection device |
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| CN201510644680.5A Division CN105158336B (en) | 2015-10-09 | 2015-10-09 | A kind of multifunction supersonic phased array pipeline girth weld detection device |
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| CN106093198A true CN106093198A (en) | 2016-11-09 |
| CN106093198B CN106093198B (en) | 2018-07-31 |
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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 |
| CN201610401056.7A Active CN105891335B (en) | 2015-10-09 | 2015-10-09 | A kind of adjustable phased array pipeline girth weld detection device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105158336B (en) | 2017-12-22 |
| CN106093198B (en) | 2018-07-31 |
| CN105891334B (en) | 2018-08-28 |
| CN105158336A (en) | 2015-12-16 |
| CN105891335B (en) | 2018-08-28 |
| CN105891334A (en) | 2016-08-24 |
| CN105891335A (en) | 2016-08-24 |
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