CN105784738A - On-site X-ray rolling radiographic device for pipeline - Google Patents
On-site X-ray rolling radiographic device for pipeline Download PDFInfo
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- CN105784738A CN105784738A CN201610251538.9A CN201610251538A CN105784738A CN 105784738 A CN105784738 A CN 105784738A CN 201610251538 A CN201610251538 A CN 201610251538A CN 105784738 A CN105784738 A CN 105784738A
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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
- G01N23/04—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 and forming images of the material
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- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The invention discloses an on-site X-ray rolling radiographic device for a pipeline, and belongs to the technical field of flaw detection. The on-site X-ray rolling radiographic device for the pipeline comprises a supporting frame, a running mechanism and a walking mechanism, wherein the supporting frame is mounted on the outer surface of the pipeline to be detected; the running mechanism is mounted on the supporting frame; the walking mechanism is positioned between the running mechanism and the pipeline to be detected. The on-site X-ray rolling radiographic device for the pipeline is reasonable in structural design and easy to manufacture; a special detection platform does not need to be built for an X-ray flaw detector, so that the engineering cost is reduced; furthermore, all-round flaw detection for pipeline welds is realized, the flaw detection efficiency is greatly improved, and the engineering progress is accelerated; meanwhile, a detection person can get away from a flaw detection region in the flaw detection process, so that the harm of ray flaw detection to the detection person is relieved, and great insurance is provided for the safety of the engineering.
Description
Technical field
The present invention relates to inspection technique field, more particularly, it relates to a kind of field X-ray pipeline rolls photographic device.
Background technology
Flaw detection, is crackle and the defect of detection metal material or components interior.Conventional method of detection has the methods such as radiographic inspection, ultrasonic examination, magnetic powder inspection, penetrant inspection, eddy current inspection.Radiographic inspection is to utilize X ray or the gamma-rays difference of strength retrogression when penetrating tested component parts, detects a kind of lossless detection method of defect in tested parts.
In work progress, in order to ensure construction quality, every one weld seam will carry out nondestructive inspection.The most frequently used defect-detecting equipment is x-ray flaw detector.Often work to tight deadlines owing to constructing, it is impossible to carry out installation again after waiting until the weld seam detection of all pipelines, it is common that after Pipe installing, then pipe welding seam is detected a flaw.Owing to mounted pipeline is generally in built on stilts state, liftoff higher, to pipeline is carried out x-ray inspection, it is necessary to set up scaffold as detection platform for x-ray flaw detector, not only workload is very big, also greatly increases construction cost, has a strong impact on project progress.
When pipeline is carried out x-ray inspection, every weld seam on pipeline at least to be made film 6 times, detects a flaw in 6 positions namely at least choosing weld seam.And x-ray flaw detector mobile inconvenience on pipeline, seriously constraining detection speed, flaw detection efficiency is low.If manual operation, very easily there is security incident in testing staff, and human body is had certain radiation by X ray in the process of mobile x-ray flaw detector, and for testing staff, flaw detection work exists certain danger.Site Detection personnel can not directly detect a flaw by hand-held X-ray defectoscope, it is generally adopted and x-ray flaw detector nylon belt is tied up on pipeline, film making once unties nylon belt movement x-ray flaw detector once afterwards, then fixes x-ray flaw detector with nylon belt and make film.So circulation, due to manual operation, detects a flaw extremely inefficient.For how realizing the comprehensive flaw detection to pipe welding seam, and improving flaw detection efficiency, being a technical barrier.
Summary of the invention
1. invention to solve the technical problem that
It is an object of the invention to overcome deficiency of the prior art, provide a kind of field X-ray pipeline and roll photographic device, reasonable in design, make simple, can not only avoid building specially detection platform to x-ray flaw detector, reduce engineering cost, also achieve the comprehensive flaw detection to pipe welding seam, it is greatly improved flaw detection efficiency, accelerate project progress, and testing staff can be made in flaw detection process away from flaw detection region, reduce the radiographic inspection injury to testing staff, provide strong guarantee to engineering safety.
2. technical scheme
For reaching above-mentioned purpose, technical scheme provided by the invention is:
A kind of field X-ray pipeline of the present invention rolls photographic device, including bracing frame, travelling mechanism and walking mechanism, described bracing frame is arranged on pipe under test outer surface, and described travelling mechanism is arranged on bracing frame, and described walking mechanism is between travelling mechanism and pipe under test.
Further improve as the present invention, described bracing frame includes ring for fixing, fixing link and connecting rod, described fixed trap is in pipe under test, described ring for fixing has two and the weld seam both sides laying respectively in pipe under test, being provided with fixing link on described ring for fixing, the fixing link on the ring for fixing of described weld seam both sides is connected together by connecting rod.
Further improve as the present invention, described travelling mechanism includes track, drivewheel, driven pulley and chain, and described track is fixed in connecting rod, and described drivewheel is connected with chain, described chain is positioned at track, and described driven pulley has several and wrapped up by chain.
Further improving as the present invention, described walking mechanism includes moving part and lower moving part, and described upper moving part is connected with chain, and described lower moving part contacts with tested pipeline outer surface.
Further improving as the present invention, described upper moving part and lower moving part are fixed on X-ray production apparatus each through snap ring, and described upper moving part is gear, and described lower moving part is roller.
Further improving as the present invention, described drivewheel is provided with motor, and described motor is controlled by remote control unit.
Further improving as the present invention, described drivewheel and driven pulley are gear.
Further improving as the present invention, described ring for fixing is all detachable with track.
3. beneficial effect
Adopt technical scheme provided by the invention, compared with prior art, there is following remarkable result:
(1) a kind of field X-ray pipeline of the present invention rolls photographic device, including bracing frame, travelling mechanism and walking mechanism, bracing frame is arranged on pipe under test outer surface, travelling mechanism is arranged on bracing frame, walking mechanism is between travelling mechanism and pipe under test, bracing frame provides stable to whole device and supports, improve the strong point especially to the track in travelling mechanism, the combination of travelling mechanism and walking mechanism makes X-ray production apparatus freely detour at pipe under test outer surface, facilitate X-ray production apparatus to find flaw detection position accurately, improve flaw detection efficiency.
(2) a kind of field X-ray pipeline of the present invention rolls photographic device, bracing frame includes ring for fixing, fixing link and connecting rod, fixed trap is in pipe under test, ring for fixing has two and lays respectively at the both sides of weld seam in pipe under test, ring for fixing is provided with fixing link, fixing link on the ring for fixing of weld seam both sides is connected together by connecting rod, fixing link on ring for fixing has several, and be uniformly distributed centered by the center of circle of ring for fixing, the equal one_to_one corresponding in position of the fixing link of weld seam both sides, connecting rod level is enable to install, make whole bracing frame more solid and reliable.
(3) a kind of field X-ray pipeline of the present invention rolls photographic device, travelling mechanism includes track, drivewheel, driven pulley and chain, track is fixed in connecting rod, drivewheel is connected with chain, chain is positioned at track, driven pulley has several and is wrapped up by chain, one micro-machine is set by drivewheel, motor switch passes through remote pilot, when motor switch is opened in remote control, motor starts to drive drivewheel to rotate, drivewheel drives chain to rotate, driven pulley plays the effect of support chains, upper moving part is connected with chain, thus the upper moving part on chain-driving X-ray production apparatus rotates, X-ray production apparatus is made to rotate along pipe under test；After X-ray production apparatus runs to correct position, testing staff's remote closing motor switch, drivewheel stops operating, thus chain stops operating, the upper moving part of X-ray production apparatus runs out of steam and stops operating, and X-ray production apparatus is parked in this position and proceeds by radiographic inspection, after flaw detection, testing staff's remote-control motor again makes X-ray production apparatus the next position of walking detect a flaw, and so circulates, it is possible to achieve to the comprehensive flaw detection of weld seam in pipe under test.
(4) a kind of field X-ray pipeline of the present invention rolls photographic device, walking mechanism includes moving part and lower moving part, upper moving part and lower moving part are fixed on X-ray production apparatus each through snap ring, upper moving part is connected with chain, lower moving part contacts with pipe under test outer surface, and upper moving part is gear, and lower moving part is roller, the gear of upper moving part is connected with chain and to the mobile offer kinetic energy of X-ray production apparatus under chain-driving, and the roller of lower moving part facilitates the movement of X-ray production apparatus.
(5) a kind of field X-ray pipeline of the present invention rolls photographic device, ring for fixing is all detachable with track, it is often carry out nondestructive inspection again after good for Pipe installing owing to constructing, ring for fixing and the dismountable feature of track can meet the demand of site operation, ring for fixing and the track of the choice of diameter corresponding size according to pipe under test are installed, and readily accessible installation.
(6) a kind of field X-ray pipeline of the present invention rolls photographic device, testing staff's remote-control motor makes travelling mechanism drive walking mechanism so that X-ray production apparatus detours along pipe under test outer surface 360 degree, this kind of control mode not only substantially increases radiographic inspection efficiency, also make testing staff away from flaw detection region in flaw detection process, reduce the x radiation x injury to testing staff to greatest extent.
(7) a kind of field X-ray pipeline of the present invention rolls photographic device, and apparatus structure is reasonable in design, it is simple to draw materials, and makes simple, adopts this device then without setting up scaffold specially for X-ray production apparatus as detection platform, saves construction cost, speed up the work.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of field X-ray pipeline rolling photographic device of the present invention；
A kind of field X-ray pipeline that Fig. 2 is the present invention rolls the structural representation of travelling mechanism in photographic device.
Label declaration in schematic diagram:
1, pipe under test；2, weld seam；3, ring for fixing；4, fixing link；5, connecting rod；6, track；61, drivewheel；62, driven pulley；63, chain；7, X-ray production apparatus；8, X-ray production apparatus window；9, upper moving part；10, lower moving part.
Detailed description of the invention
For further appreciating that present disclosure, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
Such as Fig. 1, shown in Fig. 2, a kind of field X-ray pipeline of the present invention rolls photographic device, including bracing frame, travelling mechanism and walking mechanism, described bracing frame is arranged on pipe under test 1 outer surface, described travelling mechanism is arranged on bracing frame, described walking mechanism is between travelling mechanism and pipe under test 1, bracing frame provides stable to whole device and supports, improve the strong point especially to the track 6 in travelling mechanism, the combination of travelling mechanism and walking mechanism makes X-ray production apparatus 7 freely detour at pipe under test 1 outer surface, X-ray production apparatus 7 is facilitated to find flaw detection position accurately, improve flaw detection efficiency；Described bracing frame includes ring for fixing 3, fixing link 4 and connecting rod 5, described ring for fixing 3 is enclosed within pipe under test 1, described ring for fixing 3 has two and weld seam 2 both sides laying respectively in pipe under test 1, described ring for fixing 3 is provided with fixing link 4, fixing link 4 on the ring for fixing 3 of described weld seam 2 both sides is connected together by connecting rod 5, fixing link 4 on ring for fixing 3 has several, and be uniformly distributed centered by the center of circle of ring for fixing 3, the equal one_to_one corresponding in position of the fixing link 4 of weld seam 2 both sides, connecting rod 5 is made level to install, make whole bracing frame more solid and reliable；nullDescribed travelling mechanism includes track 6、Drivewheel 61、Driven pulley 62 and chain 63，Described track 6 is fixed in connecting rod 5，Described drivewheel 61 is connected with chain 63，Described chain 63 is positioned at track 6，Described driven pulley 62 has several and is wrapped up by chain 63，Described drivewheel 61 is provided with motor，Described motor is controlled by remote control unit，Described drivewheel 61 and driven pulley 62 are gear，Drivewheel 61 is other arranges a micro-machine，Motor switch passes through remote pilot，When motor switch is opened in remote control，Motor starts to drive drivewheel 61 to rotate，Drivewheel 61 drives chain 63 to rotate，Driven pulley 62 plays the effect of support chains 63，Upper moving part 9 is connected with chain 63，Thus chain 63 drives the upper moving part 9 on X-ray production apparatus 7 to rotate，X-ray production apparatus 7 is made to rotate along pipe under test 1；After X-ray production apparatus 7 runs to correct position, testing staff's remote closing motor switch, drivewheel 61 stops operating, thus chain 63 stops operating, the upper moving part 9 of X-ray production apparatus 7 runs out of steam and stops operating, and X-ray production apparatus 7 is parked in this position and proceeds by radiographic inspection, after flaw detection, testing staff's remote-control motor again makes X-ray production apparatus 7 walking detect a flaw to the next position, so circulates, it is possible to achieve to the comprehensive flaw detection of weld seam 2 in pipe under test 1；Described walking mechanism includes moving part 9 and lower moving part 10, described upper moving part 9 is connected with chain 63, described lower moving part 10 contacts with tested pipeline 1 outer surface, described upper moving part 9 and lower moving part 10 are fixed on X-ray production apparatus 7 each through snap ring, described upper moving part 9 is gear, described lower moving part 10 is roller, the gear of upper moving part 9 is connected with chain 63 and to the mobile offer kinetic energy of X-ray production apparatus 7 under chain 63 drives, and the roller of lower moving part 10 facilitates the movement of X-ray production apparatus 7；Described ring for fixing 3 is all detachable with track 6, it is often carry out nondestructive inspection again after good for Pipe installing owing to constructing, ring for fixing 3 and the dismountable feature of track 6 can meet the demand of site operation, ring for fixing 3 and the track 6 of the choice of diameter corresponding size according to pipe under test 1 are installed, and readily accessible installation.
Stability principle during use, according to triangle, it is proposed that the number fixing link 4 on ring for fixing 3 is 3, namely 3 fixing links 4 are uniformly distributed centered by the center of circle of ring for fixing 3.First the size according to pipe under test 1, the ring for fixing 3 selecting suitable dimension is arranged in pipe under test 1 on the both sides of weld seam 2, by fixing link 4 one_to_one corresponding, then in the fixing end 4 of connection that the two ends of connecting rod 5 are inserted respectively weld seam 2 both sides, form bracing frame.Travelling mechanism is arranged in connecting rod 5, is fixed in connecting rod 5 by track 6 and is enclosed within outside pipe under test 1.Ring for fixing 3 and track 6 are demountable structure.Driven pulley 62 is laid along track 6 with chain 63, and chain 63 wraps driven pulley 62, and chain 63 forms arc-shaped closing structure.Walking mechanism being arranged on X-ray production apparatus 7, namely go up moving part 9 and be arranged on the middle part of X-ray production apparatus 7, lower moving part 10 is arranged on the two ends of X-ray production apparatus 7.X-ray production apparatus 7 is placed between travelling mechanism and pipe under test 1, makes the positive butt welded seam 2 of X-ray production apparatus window 8.Drivewheel 61 and upper moving part 9 are respectively positioned on chain 63 one end, and drivewheel 61 is positioned at chain 63 top and is connected with chain 63, and upper moving part 9 is fixed on chain 63 bottom, and lower moving part 10 contacts with pipe under test 1 outer surface.It is mounted with that the X-ray production apparatus 7 of walking mechanism is placed exactly between pipe under test 1 outer surface and travelling mechanism, it is ensured that X-ray production apparatus 7 will not skid when moving along track 1 to be measured.
After installation check, testing staff stands in distant place remote control unit and controls plant running.When motor switch is opened in remote control, motor starts to drive drivewheel 61 to rotate, and drivewheel 61 drives chain 63 to rotate, and driven pulley 62 plays the effect of support chains 63, and chain 63 drives the upper moving part 9 on X-ray production apparatus 7 to rotate.Upper moving part 9 moves in track 6 along chain 63, and namely X-ray production apparatus 7 moves along pipe under test 1.After X-ray production apparatus 7 runs to correct position, testing staff's remote closing motor switch, drivewheel 61 stops operating, thus chain 63 stops operating, the upper moving part 9 of X-ray production apparatus 7 runs out of steam and stops operating, and X-ray production apparatus 7 is parked in this position.The on and off switch of X-ray production apparatus 7 is opened in testing staff's remote control again, X-ray production apparatus 7 proceeds by radiographic inspection, after flaw detection, the power supply of testing staff's remote closing X-ray production apparatus 7 is also again turned on motor and makes X-ray production apparatus 7 walking detect a flaw to the next position, so circulation, it is possible to achieve to the comprehensive flaw detection of weld seam 2 in pipe under test 1.After, walking mechanism and X-ray production apparatus 7 are taken off by testing staff, remove track 6, then connecting rod 5 are extracted from fixing link 4, remove ring for fixing 3.Detect a flaw in next weld seam 2 place that whole device is arranged on pipe under test 1 more next time.
Schematically the present invention and embodiment thereof being described above, this description does not have restricted, and shown in accompanying drawing is also one of embodiments of the present invention, and actual structure is not limited thereto.So, if those of ordinary skill in the art is enlightened by it, when without departing from the invention objective, design the frame mode similar to this technical scheme and embodiment without creationary, protection scope of the present invention all should be belonged to.
Claims (8)
1. a field X-ray pipeline rolls photographic device, including bracing frame, travelling mechanism and walking mechanism, it is characterized in that: described bracing frame is arranged on pipe under test (1) outer surface, described travelling mechanism is arranged on bracing frame, and described walking mechanism is positioned between travelling mechanism and pipe under test (1).
2. a kind of field X-ray pipeline according to claim 1 rolls photographic device, it is characterized in that: described bracing frame includes ring for fixing (3), fixing link (4) and connecting rod (5), described ring for fixing (3) is enclosed within pipe under test (1), described ring for fixing (3) has two and weld seam (2) both sides laying respectively in pipe under test (1), described ring for fixing (3) is provided with fixing link (4), fixing link (4) on the ring for fixing (3) of described weld seam (2) both sides is connected together by connecting rod (5).
3. a kind of field X-ray pipeline according to claim 2 rolls photographic device, it is characterized in that: described travelling mechanism includes track (6), drivewheel (61), driven pulley (62) and chain (63), described track (6) is fixed in connecting rod (5), described drivewheel (61) is connected with chain (63), described chain (63) is positioned at track (6), and described driven pulley (62) has several and wrapped up by chain (63).
4. a kind of field X-ray pipeline according to claim 3 rolls photographic device, it is characterized in that: described walking mechanism includes moving part (9) and lower moving part (10), described upper moving part (9) is connected with chain (63), and described lower moving part (10) contacts with tested pipeline (1) outer surface.
5. a kind of field X-ray pipeline according to claim 4 rolls photographic device, it is characterized in that: described upper moving part (9) and lower moving part (10) are fixed on X-ray production apparatus (7) each through snap ring, described upper moving part (9) is gear, and described lower moving part (10) is roller.
6. a kind of field X-ray pipeline according to claim 5 rolls photographic device, it is characterised in that: described drivewheel (61) is provided with motor, and described motor is controlled by remote control unit.
7. a kind of field X-ray pipeline according to claim 6 rolls photographic device, it is characterised in that: described drivewheel (61) and driven pulley (62) are gear.
8. a kind of field X-ray pipeline according to claim 7 rolls photographic device, it is characterised in that: described ring for fixing (3) is all detachable with track (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610251538.9A CN105784738A (en) | 2016-04-20 | 2016-04-20 | On-site X-ray rolling radiographic device for pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610251538.9A CN105784738A (en) | 2016-04-20 | 2016-04-20 | On-site X-ray rolling radiographic device for pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN105784738A true CN105784738A (en) | 2016-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610251538.9A Withdrawn CN105784738A (en) | 2016-04-20 | 2016-04-20 | On-site X-ray rolling radiographic device for pipeline |
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| Country | Link |
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| CN (1) | CN105784738A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678739A (en) * | 2018-06-21 | 2018-10-19 | 成都理工大学 | A kind of Multifunction drilling tool assembly and its drilling method for bad ground |
| CN111610196A (en) * | 2019-02-22 | 2020-09-01 | 汉阳Eng株式会社 | Weld bead inspection device for welded pipe |
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| JP2006078203A (en) * | 2004-09-07 | 2006-03-23 | Nsk Ltd | Rolling bearing and monitoring method of rolling bearing |
| CN202903742U (en) * | 2012-11-16 | 2013-04-24 | 燕山大学 | Subsection climbing type semiautomatic large-size ultrasonic flaw-detecting machine for shell section piece |
| US8767912B1 (en) * | 2013-04-09 | 2014-07-01 | King Abdulaziz University | System for inspection and imaging of insulated pipes and vessels using backscattered radiation and X-ray fluorescence |
| CN103901105A (en) * | 2014-04-09 | 2014-07-02 | 中广核检测技术有限公司 | Ultrasonic automatic scanning device for large-aperture pipeline in nuclear power plant |
| CN204964419U (en) * | 2015-10-12 | 2016-01-13 | 中国石油天然气集团公司 | Digital nondestructive test device of pipeline welding seam X ray |
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2016
- 2016-04-20 CN CN201610251538.9A patent/CN105784738A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006078203A (en) * | 2004-09-07 | 2006-03-23 | Nsk Ltd | Rolling bearing and monitoring method of rolling bearing |
| CN202903742U (en) * | 2012-11-16 | 2013-04-24 | 燕山大学 | Subsection climbing type semiautomatic large-size ultrasonic flaw-detecting machine for shell section piece |
| US8767912B1 (en) * | 2013-04-09 | 2014-07-01 | King Abdulaziz University | System for inspection and imaging of insulated pipes and vessels using backscattered radiation and X-ray fluorescence |
| CN103901105A (en) * | 2014-04-09 | 2014-07-02 | 中广核检测技术有限公司 | Ultrasonic automatic scanning device for large-aperture pipeline in nuclear power plant |
| CN204964419U (en) * | 2015-10-12 | 2016-01-13 | 中国石油天然气集团公司 | Digital nondestructive test device of pipeline welding seam X ray |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678739A (en) * | 2018-06-21 | 2018-10-19 | 成都理工大学 | A kind of Multifunction drilling tool assembly and its drilling method for bad ground |
| CN111610196A (en) * | 2019-02-22 | 2020-09-01 | 汉阳Eng株式会社 | Weld bead inspection device for welded pipe |
| CN111610196B (en) * | 2019-02-22 | 2023-10-27 | 汉阳Eng株式会社 | Weld bead inspection device for welded pipe |
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