CN107703163A - Bispin formula high-pressure line welding seam positioner that detects a flaw - Google Patents
Bispin formula high-pressure line welding seam positioner that detects a flaw Download PDFInfo
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- CN107703163A CN107703163A CN201710956748.2A CN201710956748A CN107703163A CN 107703163 A CN107703163 A CN 107703163A CN 201710956748 A CN201710956748 A CN 201710956748A CN 107703163 A CN107703163 A CN 107703163A
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- positioning unit
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- 238000003466 welding Methods 0.000 title abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 89
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 230000009184 walking Effects 0.000 claims abstract description 23
- 238000007689 inspection Methods 0.000 claims description 18
- 239000002775 capsule Substances 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 230000001678 irradiating effect Effects 0.000 claims description 8
- 230000033001 locomotion Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 5
- 230000035945 sensitivity Effects 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 3
- 238000005452 bending Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 238000003384 imaging method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/03—Investigating materials by wave or particle radiation by transmission
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Abstract
The invention discloses a double-rotation type high-pressure pipeline welding seam flaw detection positioning device which comprises a connecting mechanism, a supporting frame, a supporting and traveling mechanism, a gamma source containing and conveying positioning unit and a video transmission and positioning unit, wherein the gamma source containing and conveying positioning unit is connected with the video transmission and positioning unit; two ends of the connecting mechanism are respectively provided with a support frame, and the outer end surface of each support frame is provided with a support walking mechanism; the center of the support frame is arranged in a hollow way and is communicated with the hollow channel of the connecting mechanism; the gamma source accommodating, conveying and positioning unit is arranged in a hollow channel between the connecting mechanism and the support frame, and the video transmission and positioning unit is arranged at the front end of the gamma source accommodating, conveying and positioning unit. The invention has good sensitivity, small influence of scattered rays and high defect detection rate; the central transillumination detection of the pipeline welding seam with large difficulty coefficient can be realized; the transillumination time is greatly shortened, and the operation efficiency is obviously improved; the automatic walking device is not influenced by any station, can automatically walk, improves the using effect, is convenient to operate, and enlarges the testing range.
Description
Technical field
The present invention relates to pressure duct seam inspection technical field, particularly a kind of double-rotation type pressure duct seam inspection is determined
Position device.
Background technology
Flaw detection is also named " Non-Destructive Testing ", is exactly checked in metal surface and weld seam either with or without the technology of defect.General weld seam
Internal flaw has stomata, crackle, adds slag, lack of penetration, incomplete fusion etc..Conventional weld seam internal flaw lossless detection method includes super
Sonic detection（Ultrasound detection and TOFD）, ray detection（X ray and gamma-rays）.Ray detection is worn with X ray or gamma-rays
Saturating weld metal, and exposed with photographic negative, image is made photographic negative, can be checked at any time, just as giving people to check body
It is the same according to X-ray.Pipeline welded joint is both needed to carry out ray detection, nondestructive inspection by the requirement of design document in general industry device
Data will retain archive.
With domestic Large Scale Industrial Process, the steam turbine of High-pressure Hydrogenation Unit, power industry such as Refining Chemical Industry generates electricity
Unit, nuclear power apparatus etc. are both needed to high pressure thick-walled metal pipeline and are directly connected to fortune as media transport path, pipeline welding quality
Defeated reliability.As the novel device of welding quality inspection, the research of pipe testing apparatus and it is applied in order to both domestic and external
Study hotspot.
When mechanism of being detected a flaw in existing pressure duct is walked in pipeline, typically manually promoted, this kind of side
Formula increases the workload of personnel, and use range is low.And be a kind of fixed structure, it can not be bent, so as to cause to survey
Test-run a machine structure can not detect a flaw to pipe bending position, and using effect is low.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of double-rotation type pressure duct seam inspection positioner, can be real
Visualization is accurately positioned during the pressure piping weld seam γ sources center transillumination of more elbow connections now, can be used for the weldering of different tube diameters
Seam detection, to solve the problems, such as that carrying out flaw detection work efficiency is low in pressure duct, quality is unstable.
In order to realize the purpose for solving above-mentioned technical problem, present invention employs following technical scheme：
A kind of double-rotation type pressure duct seam inspection positioner, including bindiny mechanism, support frame, support walking mechanism, γ sources
Accommodate and transmission positioning unit, transmission of video and positioning unit；
The bindiny mechanism both ends are respectively arranged with support frame, and support walking mechanism is equipped with support frame as described above outer face；
The bindiny mechanism includes left universal joint support bar, right universal joint support bar, universal ball, left universal joint connecting tube, the right side
Universal joint connecting tube and spring, the left universal joint support bar and right universal joint support bar are coaxially set, adjacent both ends point
Universal ball is not provided with, and the universal ball is separately positioned on inside left universal joint connecting tube and right universal joint connecting tube；
Left universal joint support bar, left universal joint connecting tube, right universal joint connecting tube, right universal joint support bar are set gradually；Spring is set
Both are connected between left universal joint connecting tube and right universal joint connecting tube；Left universal joint support bar, universal ball, a left side are universal
Connecting tube, right universal joint connecting tube, the hollow setting of right universal joint support bar and axle of spring center are saved, is collectively forming connection
The hollow channel of mechanism；
Support frame as described above sets left universal joint support bar left end and right universal joint support bar right-hand member respectively, and support frame center hollow is set
Put, communicated with bindiny mechanism hollow channel；The γ sources accommodate and transmission positioning unit be arranged on bindiny mechanism and support frame it
Between hollow channel in, transmission of video and positioning unit are arranged on γ sources and accommodated and the front end of transmission positioning unit；
The support walking mechanism includes movable pulley, framework, electric cylinder, either-rotation motor and supporting plate, and the movable pulley is inner
Either-rotation motor is connected, the either-rotation motor is arranged on inside supporting plate, and supporting plate, the two-way electricity are set on the inside of the movable pulley
Machine is connected through supporting plate with movable pulley, and the supporting plate lower end sets electric cylinder, and the electric cylinder is embedded in lower portion
On bottom face, the framework is arranged on support frame outer face, and the movable pulley and supporting plate are installed in lower portion；
The γ sources accommodate and transmission positioning unit includes defeated source capsule, source positioning pipe, steel strand wires, and defeated source capsule is arranged on connection machine
In hollow channel between structure and support frame, source positioning pipe is arranged on hollow channel top, and γ sources are arranged on steel strand wires front end,
γ sources are positioned in the positioning pipe of source by steel strand wires by defeated source capsule；γ sources pass sequentially through defeated source capsule and penetrate support frame, right universal
Save support bar, the universal ball of right universal joint connection tube hub, spring, universal ball, the Zuo Wan of left universal joint connection tube hub
To section support bar and be arranged on the support frame of left universal joint support bar one end, to source positioning pipe after lock；
Transmission of video and positioning unit include light transmitter unit and image unit；Light transmitter unit includes fixed mechanism, rotation
Turn governor motion, two light emitters；Before fixed mechanism by whole light transmitter unit to be fixed on source positioning pipe
End；For light emitters to launch the light of line style, two light emitters are symmetricly set on the γ sources both sides of source positioning pipe,
And light irradiating angle is symmetrical relative to γ sources；Rotation regulating mechanism is connected mechanism and light emitters respectively, to adjust
The light direction of the launch of whole light trigger mechanism, and control light be radiated at commissure or near；
Image unit also includes fixed mechanism, rotation regulating mechanism, image sensor and indication mechanism；Fixed mechanism will be will take the photograph
As sensor is fixed on support frame；Rotation regulating mechanism is connected mechanism and image sensor respectively, to adjust shooting
The visible angle of sensor；Indication mechanism shows the output result of image sensor.
Further, support frame as described above is provided with two, and the support walking mechanism is provided with six, six support walkings
Mechanism structure is identical, and two support frame as described above outer ends are uniformly equipped with three support walking mechanisms.
Further, the universal ball is symmetricly set on spring both sides, and the left universal joint connecting tube and the right side are universal
Be provided with fastening bolt in section connecting tube, and fastening bolt by screw thread respectively with left universal joint connecting tube and right universal joint
Connecting tube is connected, and fastening bolt lower end sets universal ball.
Further, support frame as described above outer end is uniformly provided with three multi-section type fixed arms, and multi-section type fixed arm end
With supporting the framework of walking mechanism to be connected.
Further, support frame as described above upper end is provided with flexible hose, and flexible hose is arranged on left universal joint support bar
With on the upside of right universal joint support bar, flexible hose is connected by bolt with support frame.
Further, the left universal joint support bar and right universal joint support bar outer end are provided with external screw thread, the branch
Support be provided centrally with internal thread, the left universal joint support bar and right universal joint support bar by internal thread and external screw thread with
Support frame is connected.
The defeated source capsule design in γ sources is at whole bindiny mechanism center, and its function is in operation, and γ sources conveying steel strand wires are with being somebody's turn to do
Device connects and γ sources is sent into the source positioning pipe of whole device end by defeated source capsule；
Transmission of video and positioning unit can be according to the predetermined light emitters of caliber and the angle of image sensor；Light emitters
The γ sources ray both sides of source positioning pipe, γ sources sensitivity of film to commissure are symmetricly set on, light emitters select linear red
Outside line transmitter, it can ensure in the weld seam detection of different tube diameters, even if passing through the predetermined light emitter of rotation regulating mechanism
The light source of structure transmitting, which is not thrown accurately, to be shone to weld seam, due to being symmetrical arranged for light emitters, when default irradiating angle is due to treating
Detection caliber is when diminishing, the both sides of the weld seam plane for the γ sources transillumination that the point of irradiation of the light source of light emitters two is located at, when default
Irradiating angle is because when caliber to be detected becomes big, the light source of light emitters two intersects when not throwing according to weld seam；No matter caliber
It is to become big or diminish compared with the caliber of default irradiating angle, its crosspoint is always positioned at the plane of the weld seam of γ sources transillumination
On, it can ensure that the light source of transmitting is thrown and shine to welding bead, image sensor can capture real-time imaging, and will implement to monitor
Picture reaches the monitor of outside, you can stops the push of the device, completes the positioning of transmission of video and positioning unit.
Linear infrared line transmitter described in this patent, the shadow surface for referring to infrared ray is the line style of strip, is and irradiation
Face for point-type light or face type light a technological concept distinguishing of light source.
In use, the internal diameter of the pipeline that staff first detects a flaw to needs is observed, then staff starts electric cylinder,
Electronic cylinder working drives supporting plate to be displaced outwardly, and supporting plate is displaced outwardly driving either-rotation motor to be displaced outwardly, and either-rotation motor is outside
It is mobile to drive movable pulley to be displaced outwardly, and then can realize that movable pulley moves out of framework, when movable pulley is moved outwardly to suitable position
When putting, staff stops electric cylinder, and then staff starts either-rotation motor, and either-rotation motor work drives movable pulley to rotate
Automatically moved in pipeline, can also automatically adjust its length.
When being moved to pipeline bending part, the universal joint support bar that rear end can be achieved rotates around universal ball, and then drives
Universal ball rotates, and with the crooked position that right universal joint connecting tube is moved in pipeline, and then causes universal joint connecting tube to turn
It is dynamic, while spring can be stretched, and then driving left universal joint connecting tube to be rotated around universal ball, the design can carry out curved
Song, bending range is expanded, be more beneficial for being applicable the pipeline of different calibers and bending angle.
Real-time imaging is captured according to the image sensor of transmission of video and positioning unit, and monitoring picture will be implemented and reached
Outside monitor, can stop the push of the device, light emitters are in weld seam when γ sources are moved to correct position near weld seam
Both sides are irradiated, and γ sources carry out transillumination, complete weld seam detection.
These technical schemes, including improved technical scheme and further improved technical scheme can also be combined with each other
Or combine, so as to reach superior technique effect.
By using above-mentioned technical proposal, the present invention has following beneficial effect：
The double-rotation type pressure duct seam inspection positioner of this patent, big heavy wall prefabricated pipeline and pipe laying welding can be achieved
The ray detection of joint, relative to Double-wall Single-image Radiographic Inspection, scanning thickness is homogeneous, sensitivity is all good, and scattered rays influences small, defect inspection
Extracting rate is high；It may be such that the big pipe welding seam of degree-of-difficulty factor realizes center transillumination detection；The transillumination time greatly shortens, and operating efficiency shows
Write and improve；Permanent universal joint ball is easy in the setting of fastening bolt, and multi-section type fixed arm is suitable for the pipeline inspection of different-diameter, scratched
Property flexible pipe improves connection effect；The setting of support walking mechanism causes the device in pipeline welded joint weld seam detection, no
Influenceed by any station, automatically walk can be carried out, improve using effect, it is easy to operation, expand test scope；Light is sent out
The setting of the double light emitters of unit is penetrated, can not only meet the transillumination of different tube diameters, it is not necessary to the angle of light emitters is adjusted,
Also improve the accuracy of transillumination.
Brief description of the drawings
Fig. 1 is the overall schematic of this patent.
Fig. 2 is the schematic diagram of the bindiny mechanism of this patent.
Fig. 3 is the schematic diagram of the support walking mechanism of this patent.
Fig. 4 is the γ sources sensitivity of film position view of this patent.
In figure, 1- bindiny mechanisms, 2- support frames, 3- support walking mechanisms, the left universal joint support bars of 11-, 12- universal joints
Ball, the left universal joint connecting tubes of 13-, the right universal joint connecting tubes of 14-, 15- springs, the right universal joint support bars of 16-, 31- movable pulleys,
32- frameworks, 33- electric cylinders, 34- either-rotation motors, 35- supporting plates, 41- sources positioning pipe, 51- light emitters, 52- shootings pass
Sensor, 6- γ sources.
Arrow represents light direction of illumination and γ sources transillumination direction, and a ' is pipeline a to be detected position while welding, and b ' is to treat
Detect pipeline b position while welding, c ' is pipeline c to be detected position while welding, caliber diameter a ＜ b ＜ c.
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 1-4 accompanying drawings, a kind of double-rotation type pressure duct seam inspection positioner of this patent, including bindiny mechanism 1, branch
Support 2, support walking mechanism 3, γ sources accommodate and transmission positioning unit, transmission of video and positioning unit；
Support frame 2 assembles at both ends respectively in bindiny mechanism 1, and three support vehicle with walking machine are uniformly equipped with each outer face of support frame 2
Structure 3；Bindiny mechanism 1 includes left universal joint support bar 11, right universal joint support bar 16, universal ball 12, left universal joint connecting tube
13rd, right universal joint connecting tube 14 and spring 15, left universal joint support bar 11 and right universal joint support bar 16 are coaxially set, phase
Face both ends and be respectively arranged with universal ball 12, universal ball 12 is separately positioned on left universal joint connecting tube 13 and right universal joint connects
Inside adapter 14；Left universal joint support bar 11, left universal joint connecting tube 13, right universal joint connecting tube 14, right universal joint support bar
16 set gradually；Spring 15 is arranged between left universal joint connecting tube 13 and right universal joint connecting tube 14 and connects both；Zuo Wan
To section support bar 11, universal ball 12, left universal joint connecting tube 13, right universal joint connecting tube 14, right universal joint support bar 16 with
And the hollow setting of the axis centre of spring 15, it is collectively forming the hollow channel of bindiny mechanism 1.
Universal ball 12 is symmetricly set on the both sides of spring 15, in left universal joint connecting tube 13 and right universal joint connecting tube 14
Be provided with fastening bolt, and fastening bolt by screw thread respectively with left universal joint connecting tube 13 and right universal joint connecting tube 14
It is connected, and fastening bolt lower end sets universal ball 12.
Support frame 2 sets the left left end of universal joint support bar 11 and the right right-hand member of universal joint support bar 16, left universal joint branch respectively
Strut 11 and the right outer end of universal joint support bar 16 are provided with external screw thread, and support frame 2 is provided centrally with internal thread, left universal joint branch
Strut 11 and right universal joint support bar 16 are connected by internal thread and external screw thread with support frame 2；The center hollow of support frame 2 is set
Put, communicated with bindiny mechanism 1 hollow channel；The upper end of support frame 2 is provided with flexible hose, and flexible hose is arranged on left universal joint
Support bar 11 and the upside of right universal joint support bar 16, flexible hose are connected by bolt with support frame 2；γ sources accommodate and conveying
Positioning unit is arranged in the hollow channel between bindiny mechanism 1 and support frame 2, and transmission of video and positioning unit are arranged on γ sources
Accommodate the front end with transmission positioning unit.
Support walking mechanism 3 includes movable pulley 31, framework 32, electric cylinder 33, either-rotation motor 34 and supporting plate 35, mobile
The inner connection either-rotation motor 34 of wheel 31, either-rotation motor 34 are arranged on inside supporting plate 35, and the inner side of movable pulley 31 sets supporting plate 35,
Either-rotation motor 34 is connected through supporting plate 35 with movable pulley 31, and the lower end of supporting plate 35 sets electric cylinder 33, and electric cylinder 33 is inlayed
On the inner bottom end face of framework 32, framework 32 is arranged on the outer face of support frame 2, and movable pulley 31 and supporting plate 35 are installed in
Inside framework 32；Each outer end of support frame 2 is uniformly provided with three multi-section type fixed arms, and multi-section type fixed arm end is gone with support
The framework 32 for walking mechanism 3 connects.
γ sources accommodate and transmission positioning unit includes defeated source capsule, source positioning pipe 41, steel strand wires, and defeated source capsule is arranged on connection
In hollow channel between mechanism 1 and support frame 2, source positioning pipe 41 is arranged on hollow channel top, and γ sources 6 are arranged on steel strand
γ sources 6 are positioned in source positioning pipe 41 by line front end, steel strand wires by defeated source capsule；γ sources 6 pass sequentially through defeated source capsule and penetrate branch
Support 2, right universal joint support bar 16, the universal ball 12 at the right center of universal joint connecting tube 14, spring 15, left universal joint connecting tube
The universal ball 12 at 13 centers, left universal joint support bar 11 and the support frame 2 for being arranged on left one end of universal joint support bar 11, to source
Locked after head positioning pipe 41；
Transmission of video and positioning unit include light transmitter unit and image unit；Light transmitter unit includes fixed mechanism, rotation
Turn governor motion, light emitters 51；Before fixed mechanism by whole light transmitter unit to be fixed on source positioning pipe 41
End；For light emitters 51 to launch the light of line style, light emitters 51 are symmetricly set on 6 liang of the γ sources of source positioning pipe 41
Side；Rotation regulating mechanism is connected mechanism and light emitters 51 respectively, to adjust the transmitting of the light of light trigger mechanism
Direction, and control light be radiated at commissure or near；
Image unit also includes fixed mechanism, rotation regulating mechanism, image sensor 52 and indication mechanism；Fixed mechanism is to general
Image sensor 52 is fixed on support frame 2；Rotation regulating mechanism is connected mechanism and image sensor 52 respectively, to adjust
The visible angle of whole image sensor 52；Indication mechanism shows the output result of image sensor 52.
The defeated source capsule design in γ sources is at the whole center of bindiny mechanism 1, and its function is in operation, and γ sources conveying steel strand wires are with being somebody's turn to do
Device connects and γ sources 6 is sent into the source positioning pipe 41 of whole device end by defeated source capsule；
Transmission of video and positioning unit can be according to the predetermined light emitters 51 of caliber and the angle of image sensor 52；Two light
Line transmitter 51 is symmetricly set on the γ sources ray both sides of source positioning pipe 41, γ sources sensitivity of film to commissure, light transmitting
Device 51 selects linear RF transmitter, can ensure in the weld seam detection of different tube diameters, even if passing through rotation regulating mechanism
The light source of predetermined light trigger mechanism transmitting, which is not thrown accurately, to be shone to weld seam, due to being symmetrical arranged for light emitters 51, when pre-
If irradiating angle becomes hour, the weldering for the transillumination of γ sources 6 that the points of irradiation of 51 liang of light sources of light emitters is located at due to caliber to be detected
The both sides of plane are stitched, when default irradiating angle becomes big due to caliber to be detected, 51 liang of light sources of light emitters are not being thrown according to extremely
Intersect during weld seam；No matter caliber is to become big or diminish compared with the caliber of default irradiating angle, and its crosspoint is always positioned at
In the plane of the weld seam of the transillumination of γ sources 6, it can ensure that the light source of transmitting is thrown and shine to welding bead, image sensor 52 can be caught
To real-time imaging, and monitoring picture will be implemented and reach outside monitor, you can stopped the push of the device, complete transmission of video
And the positioning of positioning unit.
In use, the internal diameter of the pipeline that staff first detects a flaw to needs is observed, then staff starts electric cylinder
33, the work of electric cylinder 33 drives supporting plate 35 to be displaced outwardly, and supporting plate 35 is displaced outwardly driving either-rotation motor 34 to be displaced outwardly, double
It is displaced outwardly driving movable pulley 31 to be displaced outwardly to motor 34, and then can realizes that movable pulley 31 moves out of framework 32, works as movement
When wheel 31 is moved outwardly to correct position, staff stops electric cylinder 33, and then staff starts either-rotation motor 34, two-way
The work of motor 34 drives movable pulley 31 to rotate and automatically moved in pipeline, and can also automatically adjust its length.
When being moved to pipeline bending part, the universal joint support bar that rear end can be achieved rotates around universal ball 12, and then band
Dynamic universal ball 12 rotates, and with the crooked position that right universal joint connecting tube 14 is moved in pipeline, and then causes universal joint to connect
Adapter is rotated, while spring 15 can be stretched, and then drives left universal joint connecting tube 13 to be rotated around universal ball 12, should
Design can be bent, and expanded bending range, be more beneficial for being applicable the pipeline of different calibers and bending angle.
Real-time imaging is captured according to the image sensor 52 of transmission of video and positioning unit, and monitoring picture will be implemented and passed
To the monitor of outside, the push of the device can be stopped when γ sources 6 are moved to correct position near weld seam, light emitters 51 exist
Weld seam both sides are irradiated, and γ sources 6 carry out transillumination, complete weld seam detection.
Claims (6)
- A kind of 1. double-rotation type pressure duct seam inspection positioner, it is characterised in that：Including bindiny mechanism, support frame, support Walking mechanism, γ sources accommodate and transmission positioning unit, transmission of video and positioning unit；The bindiny mechanism both ends are respectively arranged with support frame, and support walking mechanism is equipped with support frame as described above outer face；The bindiny mechanism includes left universal joint support bar, right universal joint support bar, universal ball, left universal joint connecting tube, the right side Universal joint connecting tube and spring, the left universal joint support bar and right universal joint support bar are coaxially set, adjacent both ends point Universal ball is not provided with, and the universal ball is separately positioned on inside left universal joint connecting tube and right universal joint connecting tube； Left universal joint support bar, left universal joint connecting tube, right universal joint connecting tube, right universal joint support bar are set gradually；Spring is set Both are connected between left universal joint connecting tube and right universal joint connecting tube；Left universal joint support bar, universal ball, a left side are universal Connecting tube, right universal joint connecting tube, the hollow setting of right universal joint support bar and axle of spring center are saved, is collectively forming connection The hollow channel of mechanism；Support frame as described above sets left universal joint support bar left end and right universal joint support bar right-hand member respectively, and support frame center hollow is set Put, communicated with bindiny mechanism hollow channel；The γ sources accommodate and transmission positioning unit be arranged on bindiny mechanism and support frame it Between hollow channel in, transmission of video and positioning unit are arranged on γ sources and accommodated and the front end of transmission positioning unit；The support walking mechanism includes movable pulley, framework, electric cylinder, either-rotation motor and supporting plate, and the movable pulley is inner Either-rotation motor is connected, the either-rotation motor is arranged on inside supporting plate, and supporting plate, the two-way electricity are set on the inside of the movable pulley Machine is connected through supporting plate with movable pulley, and the supporting plate lower end sets electric cylinder, and the electric cylinder is embedded in lower portion On bottom face, the framework is arranged on support frame outer face, and the movable pulley and supporting plate are installed in lower portion；The γ sources accommodate and transmission positioning unit includes defeated source capsule, source positioning pipe, steel strand wires, and defeated source capsule is arranged on connection machine In hollow channel between structure and support frame, source positioning pipe is arranged on hollow channel top, and γ sources are arranged on steel strand wires front end, γ sources are positioned in the positioning pipe of source by steel strand wires by defeated source capsule；γ sources pass sequentially through defeated source capsule and penetrate support frame, right universal Save support bar, the universal ball of right universal joint connection tube hub, spring, universal ball, the Zuo Wan of left universal joint connection tube hub To section support bar and be arranged on the support frame of left universal joint support bar one end, to source positioning pipe after lock；Transmission of video and positioning unit include light transmitter unit and image unit；Light transmitter unit includes fixed mechanism, rotation Turn governor motion, two light emitters；Before fixed mechanism by whole light transmitter unit to be fixed on source positioning pipe End；For light emitters to launch the light of line style, two light emitters are symmetricly set on the γ sources both sides of source positioning pipe, And light irradiating angle is symmetrical relative to γ sources；Rotation regulating mechanism is connected mechanism and light emitters respectively, to adjust The light direction of the launch of whole light trigger mechanism, and control light be radiated at commissure or near；Image unit also includes fixed mechanism, rotation regulating mechanism, image sensor and indication mechanism；Fixed mechanism will be will take the photograph As sensor is fixed on support frame；Rotation regulating mechanism is connected mechanism and image sensor respectively, to adjust shooting The visible angle of sensor；Indication mechanism shows the output result of image sensor.
- 2. double-rotation type pressure duct seam inspection positioner according to claim 1, it is characterized in that：Support frame as described above is set There are two, the support walking mechanism is provided with six, and six support walking mechanism structures are identical, outside two support frames as described above End is uniformly equipped with three support walking mechanisms.
- 3. double-rotation type pressure duct seam inspection positioner according to claim 1, it is characterized in that：The universal ball Spring both sides are symmetricly set on, fastening bolt is provided with the left universal joint connecting tube and right universal joint connecting tube, and Fastening bolt is connected with left universal joint connecting tube and right universal joint connecting tube respectively by screw thread, and fastening bolt lower end is set Put universal ball.
- 4. double-rotation type pressure duct seam inspection positioner according to claim 1, it is characterized in that：Outside support frame as described above End is uniformly provided with three multi-section type fixed arms, and multi-section type fixed arm end is with supporting the framework of walking mechanism to be connected.
- 5. double-rotation type pressure duct seam inspection positioner according to claim 1, it is characterized in that：On support frame as described above End is provided with flexible hose, and flexible hose is arranged on the upside of left universal joint support bar and right universal joint support bar, flexible hose It is connected by bolt with support frame.
- 6. double-rotation type pressure duct seam inspection positioner according to claim 1, it is characterized in that：The left universal joint Support bar and right universal joint support bar outer end are provided with external screw thread, and support frame as described above is provided centrally with internal thread, and described left ten thousand It is connected to section support bar and right universal joint support bar by internal thread and external screw thread with support frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710956748.2A CN107703163B (en) | 2017-10-16 | 2017-10-16 | Bispin formula high-pressure line welding seam positioner that detects a flaw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710956748.2A CN107703163B (en) | 2017-10-16 | 2017-10-16 | Bispin formula high-pressure line welding seam positioner that detects a flaw |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111085771A (en) * | 2019-12-30 | 2020-05-01 | 上海雁南汽车零部件有限公司 | Self-positioning rotary automatic laser welding machine |
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| CN107703163B (en) | 2020-12-11 |
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