CN105784729B - A kind of detection method of X-ray and device of cylinders with small diameter longitudinal seam - Google Patents
A kind of detection method of X-ray and device of cylinders with small diameter longitudinal seam Download PDFInfo
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- CN105784729B CN105784729B CN201610120051.7A CN201610120051A CN105784729B CN 105784729 B CN105784729 B CN 105784729B CN 201610120051 A CN201610120051 A CN 201610120051A CN 105784729 B CN105784729 B CN 105784729B
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- rotating bar
- bar
- holder
- pull rod
- ray
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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
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- Life Sciences & Earth Sciences (AREA)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The invention discloses a kind of detection method of X-ray and device of cylinders with small diameter longitudinal seam, the device includes the holder being made of push rod, pull rod, bracket and resilient support, the bracket is made of rotating bar and the supporting plate being fixed at the top of rotating bar, the upper end hinge connection that pull rod passes through the first bolt pair and rotating bar, the lower end hinge connection that push rod passes through the second bolt pair and rotating bar, there is more than one pair of location hole on pull rod and the corresponding position of push rod, is supported between pull rod and push rod.The present invention is that the camera bag equipped with film is fixed on the bracket of holder, and the rotating diameter of holder can be adjusted according to the internal diameter of tested cylinder, the rotating diameter of holder can also be further reduced when measurement, the holder after diminution can be stretched into this way in cylinder and x-ray inspection is carried out to flaw detection position, to efficiently solve the X-ray detection operation problem of cylinders with small diameter longitudinal seam, detection efficiency is improved.
Description
Technical field
The present invention relates to a kind of detection method of X-ray and device of cylinders with small diameter longitudinal seam, belong to cylinders with small diameter X and penetrate
Line detection technique field.
Background technology
Pressure vessel is subject to the Sealing Arrangement of various fluid media (medium)s, and the harm of sudden explosion is very serious, is protecting
Card product quality and aspect safe to use need higher safety requirements and tightened up production standard compared with general industry equipment.
Ray detection is a kind of important non-destructive testing technology, is especially seemed in guarantee pressure vessel product quality and aspect safe to use
It is particularly important.For the X-ray detection of pressure container cylinder longitudinal seam, when cylinder internal diameter is larger, staff can be directly entered
Pieces of cloth are carried out in cylinder；When cylinder internal diameter is smaller, cylinder is longer, and when live available resources is limited, staff usually from
Camera bag is fixed on the flaw detection position in cylinder by holder by simple rack processed.It is mobile since self-control simple rack is usually heavy
Inconvenience, when operation, are time-consuming and laborious, and positioning is inaccurate, not wear-resisting, inconvenient maintenance, and does not adapt to the barrel dliameter of more specifications, especially
When workload is larger, various shortcomings are even more to have seriously affected job schedule.
Invention content
It is an object of the invention to：A kind of reliable structure, manufacture, easy to maintenance, easy to operate, safe to use and warp are provided
Help the detection method of X-ray and device of efficient cylinders with small diameter longitudinal seam, with overcome the deficiencies in the prior art.
Technical scheme of the present invention：A kind of detection method of X-ray of cylinders with small diameter longitudinal seam, this method are will to install glue
The camera bag of piece is fixed on the holder that one can move in cylinder, is matched again after so that camera bag is reached flaw detection position by mobile holder
It closes X-ray production apparatus and carries out radiographic inspection.
To the distance and cylinder internal diameter size at position of detecting a flaw, then in the above method, before detection, body end surface is measured first
Holder is assembled according to the inner diameter size of cylinder, the holder includes push rod, pull rod, bracket and resilient support, wherein holding in the palm
Frame is made of rotating bar and the supporting plate being fixed at the top of rotating bar, the upper end hinge connection of pull rod and rotating bar, push rod
With the lower end hinge connection of rotating bar；When detection, the camera bag for installing film is fixed on double faced adhesive tape on the supporting plate of bracket first,
Then pull rod is pulled, pull rod is made to be tilted with the rotating bar for pushing boom end, it is sharp at this time to reduce the rotating diameter of entire holder
The bracket for being loaded with camera bag is stretched into cylinder with push rod, the distance that push rod is moved into cylinder is made to be equal to body end surface to spy
The distance of traumatic part position, then pulls pull rod by rotating bar righting again, to make the center of camera bag and flaw detection position just to just, most
Resilient support is supported between pull rod and push rod afterwards, the entire holder of locking, spy that in this way can be by X-ray production apparatus to cylinder
Traumatic part position carries out radiographic inspection.
It in the above method, waits after detecting a flaw, first removes resilient support, then pull pull rod, make the rotation of tie rod end
Bar tilts, and reduces the rotating diameter of entire holder again, in this way can take out holder out of cylinder, and by the film in camera bag
It is placed under viewbox and observes, evaluates.
In the above method, the internal diameter of the cylinder is φ 300~φ 600mm, length is 1000~3000mm.
A kind of x-ray detection device of the cylinders with small diameter longitudinal seam of above method structure, including by push rod, pull rod,
The holder that bracket and resilient support are constituted, the bracket is by rotating bar and the supporting plate structure being fixed at the top of rotating bar
At, pull rod by the upper end hinge connection of the first bolt pair and rotating bar, push rod passes through under the second bolt pair and rotating bar
Hinge connection is held, there is more than one pair of location hole, the both ends difference of resilient support on pull rod and the corresponding position of push rod
The location hole rear support in pull rod and push rod is inserted between pull rod and push rod.
In above-mentioned apparatus, the bracket includes rotating bar and the supporting plate that is fixed at the top of rotating bar, wherein rotating bar
It is to be made of upper loop bar and lower loop bar, more than one connecting hole, third bolt pair is both provided on upper loop bar and lower loop bar
Upper loop bar and lower loop bar are fastenedly connected after the connecting hole on upper loop bar and lower loop bar, brace is welded on upper loop bar,
Brace is fixedly connected by the 4th bolt pair with supporting plate, the bottom center of supporting plate is provided with rubber block, upper loop bar is sleeved on rubber
On block and it is supported on the bottom of supporting plate.
In above-mentioned apparatus, the supporting plate is rubber slab, and the center of top of supporting plate is provided with placing groove.
In above-mentioned apparatus, the resilient support includes upper adjusting rod and lower dolly bar, in upper adjusting rod and lower dolly bar
On be both provided with more than one limit hole, the 5th bolt pair will up-regulation after passing through the limit hole on upper adjusting rod and lower dolly bar
Pole and lower dolly bar are fastenedly connected, and are welded with gasket in the end points of upper adjusting rod, spring is arranged in the 5th bolt pair and gasket
Between.
Due to the adoption of the above technical scheme, the advantage of the invention is that：The present invention is to be fixed on the camera bag equipped with film
On the bracket of holder, and the rotating diameter of holder can be adjusted according to the internal diameter of tested cylinder, and when measurement can also be into one
Step reduces the rotating diameter of holder, in this way can stretch into the holder after diminution in cylinder and carry out X-ray to flaw detection position
Flaw detection, to efficiently solve the X-ray detection operation problem of cylinders with small diameter longitudinal seam, improves detection efficiency.With it is existing
Technology is compared, the present invention not only have the advantages that it is easy to detect it is laborsaving, work efficiency is high, detection it is high-quality, but also have energy
The advantages of well adapting to different cylinder internal diameters.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of bracket in the present invention；
Fig. 3 is the structural schematic diagram of supporting plate in the present invention；
Fig. 4 is the structural schematic diagram flexibly supported in the present invention；
Fig. 5 is the structural schematic diagram when present invention is implemented.
Reference sign：1- push rod, 2- pull rods, 3- brackets, 4- resilient support, 5- rotating bars, 6- supporting plates, 7- are dark
Bag, 8- cylinders, the first bolt pairs of 9-, the second bolt pairs of 10-, 11- location holes, the upper loop bars of 12-, loop bar under 13-, 14- connecting holes,
15- third bolt pairs, 16- braces, the 4th bolt pairs of 17-, 18- rubber blocks, 19- placing grooves, the upper adjusting rods of 20-, 21- are lowered
Pole, 22- springs, 23- gaskets, the 5th bolt pairs of 24-, 25- limit holes.
Specific implementation mode
In order to keep the object of the invention, technical solution and advantage clearer, with reference to the accompanying drawings and embodiments to the present invention
It is described in further detail.
The embodiment of the present invention：The structural schematic diagram of the x-ray detection device of cylinders with small diameter longitudinal seam as shown in Figure 1,
Include the holders being made of push rod 1, pull rod 2, bracket 3 and resilient support 4, the bracket 3 is by rotating bar 5 and to consolidate
The supporting plate 6 for being scheduled on 5 top of rotating bar is constituted, and pull rod 2 passes through the upper end hinge connection of the first bolt pair 9 and rotating bar 5, push rod
1, by the lower end hinge connection of the second bolt pair 10 and rotating bar 5, has a pair on pull rod 2 and the corresponding position of push rod 1
11 rear support of location hole on pull rod 2 and push rod 1 is inserted into pull rod 2 in above location hole 11, the both ends for flexibly supporting 4 respectively
Between push rod 1.Referring to Fig. 2, the bracket 3 includes rotating bar 5 and the supporting plate 6 being fixed at the top of rotating bar 5, wherein
Rotating bar 5 is made of upper loop bar 12 and lower loop bar 13, and more than one company is both provided on upper loop bar 12 and lower loop bar 13
Hole 14 is connect, third bolt pair 15 is tight by upper loop bar 12 and lower loop bar 13 after the connecting hole 14 on upper loop bar 12 and lower loop bar 13
It is solidly connected, brace 16 is welded on upper loop bar 12, brace 16 is fixedly connected by the 4th bolt pair 17 with supporting plate 6, in supporting plate 6
Bottom center be provided with rubber block 18, upper loop bar 12 is sleeved on rubber block 18 and is supported on the bottom of supporting plate 6.Referring to Fig. 3, institute
The supporting plate 6 stated is rubber slab, and the center of top of supporting plate 6 is provided with placing groove 19.Referring to Fig. 4, the resilient support 4 includes
Upper adjusting rod 20 and lower dolly bar 21 are both provided with more than one limit hole 25 on upper adjusting rod 20 and lower dolly bar 21,
5th bolt pair 24 is after the limit hole 25 on upper adjusting rod 20 and lower dolly bar 21 by upper adjusting rod 20 and lower dolly bar 21
It is fastenedly connected, is welded with gasket 23 in the end points of upper adjusting rod 20, spring 22 is arranged between the 5th bolt pair 24 and gasket 23.
Referring to Fig. 5, when carrying out X-ray detection to cylinders with small diameter longitudinal seam using above-mentioned apparatus, 8 end of cylinder is measured first
Then face assembles holder to 8 inner diameter size of distance and cylinder at position of detecting a flaw according to the inner diameter size of cylinder 8.When detection, first
The camera bag 7 for installing film is fixed on double faced adhesive tape on the supporting plate 6 of bracket 3, camera bag 7 is made to be put into 6 center of top of supporting plate completely
In placing groove 19, camera bag 7 is avoided to be scraped off during being sent into cylinder 8；Then pull rod 2 is pulled, pull rod 2 and push rod are made
The rotating bar 5 of 1 end tilts, and to reduce the rotating diameter of entire holder, will be loaded with the support of camera bag 7 using push rod 1 at this time
Frame 3 stretches into cylinder 8, and the distance that push rod 1 is moved into cylinder 8 is made to be equal to 8 end face of cylinder to the distance at position of detecting a flaw, then
Pull pull rod 2 by 5 righting of rotating bar again, to make the center of camera bag 7 with flaw detection position just to just, will finally flexibly support 4
Be supported between pull rod 2 and push rod 1, the entire holder of locking, in this way can by X-ray production apparatus to the flaw detection position of cylinder 8 into
Row radiographic inspection.It waits after detecting a flaw, first removes resilient support 4, then pull pull rod 2, the rotating bar 5 of 2 end of pull rod is made to incline
Tiltedly, the rotating diameter of entire holder is reduced again, holder can be taken out out of cylinder 8 in this way, and the film in camera bag 7 is put
It observes, evaluate under viewbox.Therefore, the present invention efficiently solves the X-ray detection operation problem of cylinders with small diameter longitudinal seam,
Improve detection efficiency.Compared with prior art, the present invention not only have it is easy to detect it is laborsaving, work efficiency is high, detection quality
Good advantage, but also have the advantages that different cylinder internal diameters can be well adapted to.The detection method of the present invention is particularly suitable for
The cylinders with small diameter that internal diameter is φ 300~φ 600mm, length is 1000~3000mm.
Claims (6)
1. a kind of detection method of X-ray of cylinders with small diameter longitudinal seam, including by push rod（1）, pull rod（2）, bracket（3）And
Resilient support（4）The holder of composition, the bracket（3）It is by rotating bar（5）And it is fixed on rotating bar（5）The supporting plate at top
（6）It constitutes, pull rod（2）Pass through the first bolt pair（9）With rotating bar（5）Upper end hinge connection, push rod（1）Pass through the second spiral shell
Bolt pair（10）With rotating bar（5）Lower end hinge connection, in pull rod（2）And push rod（1）Corresponding position on have it is a pair of with
On location hole（11）, resilient support（4）Both ends be inserted into pull rod respectively（2）And push rod（1）On location hole（11）After prop up
Support is in pull rod（2）And push rod（1）Between, it is characterised in that：This method be the camera bag for installing film is fixed on one can be
On the holder moved in cylinder, X-ray production apparatus is coordinated to carry out radiographic inspection again after so that camera bag is reached flaw detection position by mobile holder；
Before detection, body end surface is measured first to the distance and cylinder internal diameter size at position of detecting a flaw, then according to the inner diameter size of cylinder
Holder is assembled, the holder includes push rod, pull rod, bracket and resilient support, and wherein bracket is by rotating bar and to consolidate
It is scheduled on the supporting plate at the top of rotating bar to constitute, the upper end hinge connection of pull rod and rotating bar, the lower end hinge of push rod and rotating bar
Connection；When detection, the camera bag for installing film is fixed on double faced adhesive tape on the supporting plate of bracket first, then pulls pull rod, makes drawing
The rotating bar of bar and push boom end tilts, and to reduce the rotating diameter of entire holder, will be loaded with secretly using push rod at this time
The bracket of bag stretches into cylinder, and the distance that push rod is moved into cylinder is made to be equal to body end surface to the distance at position of detecting a flaw, so
Pull pull rod by rotating bar righting again afterwards, it, finally will resilient support branch to make the center of camera bag and flaw detection position just to just
Support is between pull rod and push rod, the entire holder of locking, can carry out ray to the flaw detection position of cylinder by X-ray production apparatus in this way
Flaw detection.
2. the detection method of X-ray of cylinders with small diameter longitudinal seam according to claim 1, it is characterised in that：Wait for flaw detection knot
Shu Hou first removes resilient support, then pulls pull rod, so that the rotating bar of tie rod end is tilted, reduces the rotation of entire holder again
Turn diameter, holder can be taken out out of cylinder in this way, and the film in camera bag is placed under viewbox and observes, evaluate.
3. the detection method of X-ray of cylinders with small diameter longitudinal seam according to claim 1, it is characterised in that：The cylinder
Internal diameter be φ 300~φ 600mm, length is 1000~3000mm.
4. the detection method of X-ray of cylinders with small diameter longitudinal seam according to claim 1, it is characterised in that：The support
Frame（3）Including rotating bar（5）And it is fixed on rotating bar（5）The supporting plate at top（6）, wherein rotating bar（5）It is by upper loop bar
（12）With lower loop bar（13）It constitutes, in upper loop bar（12）With lower loop bar（13）On be both provided with more than one connecting hole（14）,
Third bolt pair（15）Across upper loop bar（12）With lower loop bar（13）On connecting hole（14）Afterwards by upper loop bar（12）With lower loop bar
（13）It is fastenedly connected, in upper loop bar（12）On be welded with brace（16）, brace（16）Pass through the 4th bolt pair（17）With supporting plate（6）
It is fixedly connected, in supporting plate（6）Bottom center be provided with rubber block（18）, upper loop bar（12）It is sleeved on rubber block（18）It goes up and supports
In supporting plate（6）Bottom.
5. the detection method of X-ray of cylinders with small diameter longitudinal seam according to claim 4, it is characterised in that：The support
Plate（6）For rubber slab, in supporting plate（6）Center of top be provided with placing groove（19）.
6. the detection method of X-ray of cylinders with small diameter longitudinal seam according to claim 1, it is characterised in that：The bullet
Property support（4）Including upper adjusting rod（20）And lower dolly bar（21）, in upper adjusting rod（20）And lower dolly bar（21）On be respectively provided with
There are one above limit holes（25）, the 5th bolt pair（24）Across upper adjusting rod（20）And lower dolly bar（21）On limit hole
（25）Afterwards by upper adjusting rod（20）And lower dolly bar（21）It is fastenedly connected, in upper adjusting rod（20）End points be welded with gasket
（23）, spring（22）It is arranged in the 5th bolt pair（24）With gasket（23）Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610120051.7A CN105784729B (en) | 2016-03-03 | 2016-03-03 | A kind of detection method of X-ray and device of cylinders with small diameter longitudinal seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610120051.7A CN105784729B (en) | 2016-03-03 | 2016-03-03 | A kind of detection method of X-ray and device of cylinders with small diameter longitudinal seam |
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| Publication Number | Publication Date |
|---|---|
| CN105784729A CN105784729A (en) | 2016-07-20 |
| CN105784729B true CN105784729B (en) | 2018-10-12 |
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| CN201610120051.7A Expired - Fee Related CN105784729B (en) | 2016-03-03 | 2016-03-03 | A kind of detection method of X-ray and device of cylinders with small diameter longitudinal seam |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108414540B (en) * | 2018-02-27 | 2021-10-15 | 岭东核电有限公司 | Method for positioning defects of BOSS welding seam of million-kilowatt nuclear power station |
| CN108645873A (en) * | 2018-05-14 | 2018-10-12 | 合肥聚能电物理高技术开发有限公司 | CFETR vacuum chambers beforehand research part cross weld automatic flaw detection positioning device and method of detection |
| CN112489837B (en) * | 2020-11-27 | 2024-04-02 | 中广核检测技术有限公司 | Sheet distributing device and method for in-service inspection of claw gaskets of control rod driving mechanism |
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| US4435829A (en) * | 1981-05-19 | 1984-03-06 | Johnson Service Company | Apparatus for radiographic examination of pipe welds |
| CN2784924Y (en) * | 2005-04-27 | 2006-05-31 | 沈阳重型机械集团有限责任公司 | Rotary support device for X-ray flaw detection and radiography of cylinder of double-in double-out coal mill |
| CN1925062A (en) * | 2006-10-13 | 2007-03-07 | 核动力运行研究所 | Connector welding seam ray detection and location device for nuclear power station voltage regulator fluctuation pipe |
| CN101770823A (en) * | 2010-01-22 | 2010-07-07 | 中广核检测技术有限公司 | Welding line X-ray inspection device between lower seal head of voltage stabilizer and surge nozzle in nuclear power station |
| CN102279198A (en) * | 2011-04-25 | 2011-12-14 | 中国十九冶集团有限公司 | Surface mounting method and structure for pipe welding seam ray detection |
| CN202932932U (en) * | 2012-11-14 | 2013-05-15 | 贵州电力试验研究院 | X-ray Radiograph CR (Computed Radiography) board fixing support for GIS (Geographic Information System) equipment detection |
| CN103558235A (en) * | 2013-10-28 | 2014-02-05 | 中国石油化工股份有限公司 | Radiographic inspection method with medium high-temperature pipeline |
| CN205404450U (en) * | 2016-03-03 | 2016-07-27 | 贵州航天乌江机电设备有限责任公司 | X ray detection device of minor diameter barrel longitudinal seam |
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2016
- 2016-03-03 CN CN201610120051.7A patent/CN105784729B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4311905A (en) * | 1977-02-11 | 1982-01-19 | Mannesmann Aktiengesellschaft | Film strip positioning for X-ray testing of pipes |
| US4435829A (en) * | 1981-05-19 | 1984-03-06 | Johnson Service Company | Apparatus for radiographic examination of pipe welds |
| CN2784924Y (en) * | 2005-04-27 | 2006-05-31 | 沈阳重型机械集团有限责任公司 | Rotary support device for X-ray flaw detection and radiography of cylinder of double-in double-out coal mill |
| CN1925062A (en) * | 2006-10-13 | 2007-03-07 | 核动力运行研究所 | Connector welding seam ray detection and location device for nuclear power station voltage regulator fluctuation pipe |
| CN101770823A (en) * | 2010-01-22 | 2010-07-07 | 中广核检测技术有限公司 | Welding line X-ray inspection device between lower seal head of voltage stabilizer and surge nozzle in nuclear power station |
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| CN202932932U (en) * | 2012-11-14 | 2013-05-15 | 贵州电力试验研究院 | X-ray Radiograph CR (Computed Radiography) board fixing support for GIS (Geographic Information System) equipment detection |
| CN103558235A (en) * | 2013-10-28 | 2014-02-05 | 中国石油化工股份有限公司 | Radiographic inspection method with medium high-temperature pipeline |
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