CN107796833A - Pipe welding line detecting X-ray exposure device and method - Google Patents
Pipe welding line detecting X-ray exposure device and method Download PDFInfo
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- CN107796833A CN107796833A CN201711233991.8A CN201711233991A CN107796833A CN 107796833 A CN107796833 A CN 107796833A CN 201711233991 A CN201711233991 A CN 201711233991A CN 107796833 A CN107796833 A CN 107796833A
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- 238000003466 welding Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 61
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- 230000001915 proofreading effect Effects 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 16
- 239000003208 petroleum Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- G01N2223/10—Different kinds of radiation or particles
- G01N2223/101—Different kinds of radiation or particles electromagnetic radiation
- G01N2223/1016—X-ray
-
- 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
- G01N2223/60—Specific applications or type of materials
- G01N2223/628—Specific applications or type of materials tubes, pipes
-
- 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
- G01N2223/60—Specific applications or type of materials
- G01N2223/629—Specific applications or type of materials welds, bonds, sealing compounds
-
- 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
- G01N2223/60—Specific applications or type of materials
- G01N2223/646—Specific applications or type of materials flaws, defects
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The present invention relates to pipe welding line detecting X-ray exposure device and method, including X-ray production apparatus, it is characterised in that：The equilateral triangle steel plate with plane-parallel is fixed in the top and bottom of X-ray production apparatus respectively, three vertex positions of two equilateral triangle steel plates install the pulley for being slided along vertical shaft inside pipe wall respectively, and the center of equilateral triangle steel plate overlaps with the axial line of X-ray production apparatus；The top peripheral of X-ray production apparatus is provided with an infrared pick-up head, and the X ray center line of axial line and circumferential exposure the ring transmitting of the observation center line and X-ray production apparatus of infrared pick-up head forms right angled triangle, and the signal output part of infrared pick-up head is connected with display.Its is rational in infrastructure, using reliable, it is ensured that the error of ray 0 that circumferential X-ray production apparatus exposure ring is sent emits to specified location, and equably emits on tube wall, make uniformly to collect x-ray image exactly outside pipe, weld seam detection precision is significantly improved, reduces detection difficulty, improves detection efficiency.
Description
Technical field
The present invention relates to application of the X-ray production apparatus in detection vertical shaft pipe or inclined shaft pipe weld seam, particularly a kind of pipe welding seam
X-ray exposure device and method is used in detection, and it is perpendicular to install heavy caliber (Φ 508mm~Φ 914mm) suitable for detections such as petroleum industries
Well casing or inclined shaft pipe weld seam.
Background technology
During petroleum pipeline is built, vertical shaft pipe and inclined shaft pipe installing engineering amount are more, therefore to vertical shaft pipe and inclined shaft
The detection workload of pipe weldquality is also larger, and in conventional detection process, generally use X-ray production apparatus is as exposure dress in pipe
Put, the X ray that the exposure ring of X-ray production apparatus is sent needs the uniform position while welding emitted on tube wall, so that outside pipe
The image that harvester (panchromatic film) is gathered is uniform.But detection error is larger at present, main cause is that exposure ring is sent
X ray can not accurately emit to specified (weld seam) position, X ray can not be emitted to equably on tube wall.
Circumferential exposure ring, is the position of X-ray production apparatus transmitting X ray, and can the X ray that sent be distributed on detected weld seam
It is the key for detecting vertical shaft pipe weldquality, so it is most important that circumferential exposure ring is positioned at into the vertical center of weld seam, but
There is presently no preferable mode.
The content of the invention
The invention aims to provide a kind of pipe welding line detecting to solve the above problems with X-ray exposure device and
Method, its is rational in infrastructure, using reliable, it is ensured that and the error of ray 0 that circumferential X-ray production apparatus exposure ring is sent emits to specified location,
And equably emit on tube wall, make uniformly to collect x-ray image exactly outside pipe, significantly improve weld seam detection precision, drop
Low detection difficulty, improve detection efficiency.
The technical scheme is that：
A kind of pipe welding line detecting X-ray exposure device, including X-ray production apparatus, the X-ray production apparatus are vertical type columnar, its
Bottom is provided with circumferential exposure ring, it is characterised in that：The top and bottom of the X-ray production apparatus are fixed one and hung down with its axial line respectively
Straight equilateral triangle steel plate, the size of two equilateral triangle steel plates is identical and three vertex positions of each steel plate are pacified respectively
The pulley for being slided along inner-walls of duct is filled, the center of the equilateral triangle steel plate overlaps with the axial line of X-ray production apparatus；It is described
The top peripheral of X-ray production apparatus is provided with an infrared pick-up head, the observation center line of the infrared pick-up head and X-ray production apparatus
Axial line and the X ray center line of circumferential exposure ring transmitting form right angled triangle, the signal output of the infrared pick-up head
End is connected with display.
Above-mentioned pipe welding line detecting X-ray exposure device, in addition to proofreading equipment, the proofreading equipment is by for extending into
Depth reference portion in pipeline, at the top of depth reference portion be used for hang over the fixed part of the pipeline mouth of pipe, located at fixed part
Handle portion composition, equilateral triangle steel plate top surface at the top of X ray center line to the X-ray production apparatus of the circumferential exposure ring away from
From the equal length with depth reference portion.
A kind of pipe welding line detecting X-ray exposure method, it is characterised in that comprise the following steps：
1), opened into the infrared pick-up head that before pipeline to be detected, X-ray production apparatus top peripheral is installed, it is described red
The observation center line of outside line camera and the X ray center line to be launched of axial line and circumferential exposure ring of X-ray production apparatus are formed directly
Angle triangle, then ensure that launching position of the observation center line of infrared pick-up head on inner-walls of duct also has circumferential exposure ring hair
The irradiation for the X ray center line penetrated, the signal output part of the infrared pick-up head are connected with the display of pipeline external；
2), X-ray production apparatus is sent into pipeline to be detected, is respectively fixed with the top and bottom of the X-ray production apparatus and its axle
The vertical equilateral triangle steel plate of heart line, the center of equilateral triangle steel plate overlap with the axial line of X-ray production apparatus, equilateral triangle
The pulley of three vertex positions installation of steel plate slides along inner-walls of duct, so as to realize the horizontal direction to X-ray production apparatus in pipe
Positioning, i.e. the axial line of X-ray production apparatus overlaps with the axial line of pipeline, so that it is guaranteed that the X ray that circumferential exposure ring is sent is uniform
Launch to steel pipe inner wall；
3) when, the equilateral triangle steel plate at the top of X-ray production apparatus is concordant with the mouth of pipe end face of pipeline to be detected, by proofreading equipment
Hang on the pipeline mouth of pipe, the depth reference portion of proofreading equipment is stretched into pipeline, now the base in depth reference portion and circumferential exposure ring
The X ray center line to be launched is located in the same horizontal plane, and therefore, the base position for the proofreading equipment seen over the display is exactly
Plan-position where the X ray center line that circumferential exposure ring to be launched, the base position for corresponding to proofreading equipment over the display is made
Mark, then removes proofreading equipment；
4), X-ray production apparatus is continued slowly to be advanced in pipeline, when the mark on display overlaps with the weld seam of pipeline,
It can confirm that plane where the X ray center line to be launched of circumferential exposure ring overlaps with the median plane of pipe welding seam, open X ray
Electromechanical source carries out transmitting X ray, and the X ray center line of circumferential exposure ring is just radiated at the center of pipe welding seam, now,
Can be with utilization harvester collection image in pipeline outer wall commissure.
The beneficial effects of the invention are as follows：
1st, this device utilizes equilateral triangle midpoint principle, and three summits of two triangular steel plates are respectively installed into a cunning
Wheel, X-ray production apparatus are fixed on two panels triangular steel plate center, and this assures X-ray production apparatus body axial line and pipeline axle
Heart line overlaps, so that the X ray that the circumferential exposure ring of X-ray production apparatus is sent uniformly is transmitted into steel pipe inner wall, so as to be layered on pipeline
The image that the harvester (panchromatic film) of outer wall is gathered is uniform.
2nd, the present apparatus utilizes right angled triangle principle, and two of which right-angle side is respectively the axial line of X-ray machine X and circumferential exposure
The X ray center line of ring of light transmitting, and hypotenuse is the observation center line of infrared pick-up head, thus can be circumferential exposure ring
Height median surface accurately overlapped in same horizontal plane with the height center face of vertical shaft pipe weld seam.
3rd, the present apparatus can observe the weld seam in pipeline by display, be easy to the circumferential exposure ring essence of X-ray production apparatus
True ground alignment pipe inside weld.
4th, in national petroleum reserve storehouse vertical shaft pipe installation process, it is used to detect installation heavy caliber (Φ 508mm using the present apparatus
~Φ 914mm) vertical shaft pipe and inclined shaft pipe weld seam construction in, complete the road weld seam of X-ray detection more than 1000, first-time qualification rate
100%, weld seam detection precision is significantly improved, reduces detection difficulty, improves detection efficiency.
Brief description of the drawings
Fig. 1 is the present invention in vertical shaft pipe inner structure schematic diagram；
Fig. 2 be in Fig. 1 C-C to profile；
Fig. 3 is the starting working state schematic representation of the present invention；
Fig. 4 is the invention detects that working state schematic representation during weld seam；
Fig. 5 is the structural representation of the proofreading equipment of the present invention.
In figure：1. pipeline to be detected, 2. equilateral triangle steel plates, 3. pulleys, 4.X X-ray machine Xs, 401. circumferential exposure rings, 5.
Equilateral triangle steel plate, 6. weld seams, 7. infrared pick-up heads, 8. handle portions, 9. fixed parts, 10. depth reference portions, 11. observations
Center line, the axial line of 12.X X-ray machine Xs, 13.X ray centerlines.
Embodiment
As Figure 1-Figure 5, pipe welding line detecting X-ray exposure device, including X-ray production apparatus 4, the X-ray production apparatus 4
For vertical type columnar, its underpart is provided with circumferential exposure ring 401, and one and its axle are fixed in the top and bottom of the X-ray production apparatus 4 respectively
The vertical equilateral triangle steel plate 2,5 of heart line, the size of two equilateral triangle steel plates 2,5 is identical and three tops of each steel plate
Point position is installed by the pulley 3 for being slided along inner-walls of duct, the center of the equilateral triangle steel plate 2,5 and X-ray production apparatus respectively
Axial line 12 overlap.The top peripheral of the X-ray production apparatus 4 is provided with an infrared pick-up first 7, the infrared pick-up first 7
Observation center line 11 and X-ray production apparatus axial line 12 and the X ray center line 13 launched of circumferential exposure ring 401 form right angle three
Angular, the signal output part of the infrared pick-up first 7 is connected with display (being omitted in figure).The pipe welding line detecting is penetrated with X
Line exposing device, in addition to proofreading equipment, the proofreading equipment are joined by the depth reference portion 10 for extending into pipeline, located at depth
Examine the top of portion 10 be used for hang over the fixed part 9 of the pipeline mouth of pipe, the handle portion 8 on fixed part 9 forms, the circumferential exposure
Distance and depth reference portion 10 of the X ray center line 13 of ring 401 to the top surface of equilateral triangle steel plate 2 at the top of X-ray production apparatus 4
Equal length.
Pipe welding line detecting X-ray exposure method, comprises the following steps：
1st, into before pipeline 1 to be detected, the infrared pick-up first 7 that the top peripheral of X-ray production apparatus 4 is installed is opened, due to
In the observation center line 11 of infrared pick-up first 7 and the axial line 12 and the X ray to be launched of circumferential exposure ring 401 of X-ray production apparatus 4
Heart line 13 forms right angled triangle, then ensures launching position of the observation center line 11 of infrared pick-up first 7 on inner-walls of duct
Also there is the irradiation of the X ray center line 13 of the transmitting of circumferential exposure ring 401.
2nd, X-ray production apparatus 4 is sent into pipeline 1 to be detected, the cunning of three vertex positions installation of equilateral triangle steel plate 2,5
Wheel 3 slides along inner-walls of duct, so as to realize the axial line of the positioning of the horizontal direction to X-ray production apparatus 4 in pipe, i.e. X-ray production apparatus 4
12 overlap with the axial line of pipeline, so that it is guaranteed that the X ray uniform emission that sends of circumferential exposure ring 401 is to steel pipe inner wall.
3rd, when the equilateral triangle steel plate 2 at the top of X-ray production apparatus 4 is concordant with the mouth of pipe end face of pipeline 1 to be detected, will proofread
Device is hung on the pipeline mouth of pipe, and the depth reference portion 10 of proofreading equipment is stretched into pipeline, now the base in depth reference portion 10 and circumference
The exposure X ray center line 13 to be launched of ring 401 is located in the same horizontal plane, therefore, the proofreading equipment seen over the display
Base position is exactly the place plan-position of X ray center line 13 to be launched of circumferential exposure ring 401, corresponds to check and correction over the display
Mark is made in the base position of device, then removes proofreading equipment.
4th, X-ray production apparatus 4 is continued slowly to be advanced in pipeline, when the mark on display overlaps with the weld seam 6 of pipeline,
It can confirm that the place plane of X ray center line 13 to be launched of circumferential exposure ring 401 overlaps with the median plane of pipe welding seam 6, beat
Open the power supply of X-ray production apparatus 4 and carry out transmitting X ray, the X ray center line 13 of circumferential exposure ring 401 is just radiated at pipe welding seam 6
Center, now, can be with utilization harvester collection image at pipeline outer wall weld seam 6.
Claims (3)
1. a kind of pipe welding line detecting X-ray exposure device, including X-ray production apparatus, the X-ray production apparatus is vertical type columnar, under it
Portion is provided with circumferential exposure ring, it is characterised in that：The top and bottom of the X-ray production apparatus fix respectively one it is vertical with its axial line
Equilateral triangle steel plate, the size of two equilateral triangle steel plates is identical and three vertex positions of each steel plate are installed respectively
For the pulley slided along inner-walls of duct, the center of the equilateral triangle steel plate overlaps with the axial line of X-ray production apparatus；The X
The top peripheral of X-ray machine X is provided with an infrared pick-up head, the observation center line of the infrared pick-up head and X-ray production apparatus
Axial line and the X ray center line of circumferential exposure ring transmitting form right angled triangle, the signal output of the infrared pick-up head
End is connected with display.
2. pipe welding line detecting according to claim 1 X-ray exposure device, it is characterised in that：Also include proofreading equipment,
The proofreading equipment by the depth reference portion for extending into pipeline, at the top of depth reference portion be used for hang over the pipeline mouth of pipe
Fixed part, the handle portion composition on fixed part, at the top of X ray center line to the X-ray production apparatus of the circumferential exposure ring
The distance of equilateral triangle steel plate top surface and the equal length in depth reference portion.
3. a kind of pipe welding line detecting X-ray exposure method, it is characterised in that comprise the following steps：
1), opened into the infrared pick-up head that before pipeline to be detected, X-ray production apparatus top peripheral is installed, the infrared ray
The X ray center line that the observation center line of camera and the axial line and circumferential exposure ring of X-ray production apparatus to be launched forms right angle three
It is angular, then ensure that launching position of the observation center line of infrared pick-up head on inner-walls of duct also has what circumferential exposure ring was launched
The irradiation of X ray center line, the signal output part of the infrared pick-up head are connected with the display of pipeline external；
2), X-ray production apparatus is sent into pipeline to be detected, is respectively fixed with the top and bottom of the X-ray production apparatus and its axial line
Vertical equilateral triangle steel plate, the center of equilateral triangle steel plate overlap with the axial line of X-ray production apparatus, equilateral triangle steel plate
Three vertex positions installation pulley slided along inner-walls of duct, so as to realize determining for the horizontal direction to X-ray production apparatus in pipe
Position, i.e., the axial line of X-ray production apparatus overlaps with the axial line of pipeline, so that it is guaranteed that the X ray uniform emission that circumferential exposure ring is sent
To steel pipe inner wall；
3) when, the equilateral triangle steel plate at the top of X-ray production apparatus is concordant with the mouth of pipe end face of pipeline to be detected, proofreading equipment is hung over
On the pipeline mouth of pipe, the depth reference portion of proofreading equipment is stretched into pipeline, and now the base in depth reference portion is intended to send out with circumferential exposure ring
The X ray center line penetrated is located in the same horizontal plane, and therefore, the base position for the proofreading equipment seen over the display is exactly circumferential
Mark is made in plan-position where the X ray center line to be launched of exposure ring, the base position for corresponding to proofreading equipment over the display,
Then proofreading equipment is removed；
4), X-ray production apparatus is continued slowly to be advanced in pipeline, when the mark on display overlaps with the weld seam of pipeline, you can
Confirm that plane where the X ray center line to be launched of circumferential exposure ring overlaps with the median plane of pipe welding seam, it is electromechanical to open X ray
Source carries out transmitting X ray, and the X ray center line of circumferential exposure ring is just radiated at the center of pipe welding seam, now, in pipe
Pipeline outer wall commissure can be with utilization harvester collection image.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711233991.8A CN107796833A (en) | 2017-11-30 | 2017-11-30 | Pipe welding line detecting X-ray exposure device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711233991.8A CN107796833A (en) | 2017-11-30 | 2017-11-30 | Pipe welding line detecting X-ray exposure device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107796833A true CN107796833A (en) | 2018-03-13 |
Family
ID=61538187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711233991.8A Pending CN107796833A (en) | 2017-11-30 | 2017-11-30 | Pipe welding line detecting X-ray exposure device and method |
Country Status (1)
| Country | Link |
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| CN (1) | CN107796833A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111175322A (en) * | 2020-01-09 | 2020-05-19 | 江苏科技大学 | Slurry anchor lap joint quality detection method based on X-ray digital imaging technology |
| CN111855710A (en) * | 2020-07-31 | 2020-10-30 | 洛阳欣隆工程检测有限公司 | DR real-time detection system for field large-diameter pipeline weld joint |
| CN111912789A (en) * | 2019-05-07 | 2020-11-10 | 湖北省鲲发工程检测有限公司 | Pipeline weld joint detection mechanism and method thereof |
| CN112326695A (en) * | 2020-10-30 | 2021-02-05 | 上海航天设备制造总厂有限公司 | Circumferential X-ray instrument centering device for detecting annular welding seam |
| CN112489837A (en) * | 2020-11-27 | 2021-03-12 | 中广核检测技术有限公司 | Sheet distribution device and method for in-service inspection of claw gasket of control rod drive mechanism |
| CN112834533A (en) * | 2021-01-06 | 2021-05-25 | 广东核电合营有限公司 | Nondestructive testing method for branch pipe welding seam of nuclear power station |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06130001A (en) * | 1992-10-16 | 1994-05-13 | Japan Steel & Tube Constr Co Ltd | Inspection device for piping |
| JP2003274228A (en) * | 2002-03-15 | 2003-09-26 | Osaka Gas Co Ltd | Pipe checker |
| CN106568786A (en) * | 2016-11-09 | 2017-04-19 | 上海航天精密机械研究所 | Ray automatic detection apparatus of small cylinder girth joint |
| CN107389706A (en) * | 2017-07-20 | 2017-11-24 | 中国石油天然气第建设有限公司 | Visualize thick-walled metal pipeline welding point γ sources center transillumination positioner |
| CN207540996U (en) * | 2017-11-30 | 2018-06-26 | 祖子舒 | Pipe welding line detecting X-ray exposure device |
-
2017
- 2017-11-30 CN CN201711233991.8A patent/CN107796833A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06130001A (en) * | 1992-10-16 | 1994-05-13 | Japan Steel & Tube Constr Co Ltd | Inspection device for piping |
| JP2003274228A (en) * | 2002-03-15 | 2003-09-26 | Osaka Gas Co Ltd | Pipe checker |
| CN106568786A (en) * | 2016-11-09 | 2017-04-19 | 上海航天精密机械研究所 | Ray automatic detection apparatus of small cylinder girth joint |
| CN107389706A (en) * | 2017-07-20 | 2017-11-24 | 中国石油天然气第建设有限公司 | Visualize thick-walled metal pipeline welding point γ sources center transillumination positioner |
| CN207540996U (en) * | 2017-11-30 | 2018-06-26 | 祖子舒 | Pipe welding line detecting X-ray exposure device |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111912789A (en) * | 2019-05-07 | 2020-11-10 | 湖北省鲲发工程检测有限公司 | Pipeline weld joint detection mechanism and method thereof |
| CN111175322A (en) * | 2020-01-09 | 2020-05-19 | 江苏科技大学 | Slurry anchor lap joint quality detection method based on X-ray digital imaging technology |
| CN111175322B (en) * | 2020-01-09 | 2022-08-16 | 昆山市建设工程质量检测中心 | Slurry anchor lap joint quality detection method based on X-ray digital imaging technology |
| CN111855710A (en) * | 2020-07-31 | 2020-10-30 | 洛阳欣隆工程检测有限公司 | DR real-time detection system for field large-diameter pipeline weld joint |
| CN112326695A (en) * | 2020-10-30 | 2021-02-05 | 上海航天设备制造总厂有限公司 | Circumferential X-ray instrument centering device for detecting annular welding seam |
| CN112489837A (en) * | 2020-11-27 | 2021-03-12 | 中广核检测技术有限公司 | Sheet distribution device and method for in-service inspection of claw gasket of control rod drive mechanism |
| 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 |
| CN112834533A (en) * | 2021-01-06 | 2021-05-25 | 广东核电合营有限公司 | Nondestructive testing method for branch pipe welding seam of nuclear power station |
| CN112834533B (en) * | 2021-01-06 | 2023-01-31 | 广东核电合营有限公司 | Nondestructive testing method for branch pipe welding seam of nuclear power station |
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