CN108802179B - Ultrasonic phased array automatic detection device for steel large-scale vertical storage tank - Google Patents
Ultrasonic phased array automatic detection device for steel large-scale vertical storage tank Download PDFInfo
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- CN108802179B CN108802179B CN201810475389.3A CN201810475389A CN108802179B CN 108802179 B CN108802179 B CN 108802179B CN 201810475389 A CN201810475389 A CN 201810475389A CN 108802179 B CN108802179 B CN 108802179B
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- 238000003860 storage Methods 0.000 title claims abstract description 56
- 238000001514 detection method Methods 0.000 title claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 16
- 239000010959 steel Substances 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 238000005096 rolling process Methods 0.000 claims abstract description 10
- 239000000523 sample Substances 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 abstract description 16
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002601 radiography Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000009193 crawling Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/267—Welds
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- Physics & Mathematics (AREA)
- Acoustics & Sound (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)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses an ultrasonic phased array automatic detection device for a steel large-scale vertical storage tank, wherein a travelling mechanism comprises a travelling frame which is arranged at the top of a storage tank wallboard in a rolling way through left and right travelling wheels; the external fixing frame is arranged outside the storage tank wall plate, the upper end of the external fixing frame is fixedly connected to the bottom of the walking frame, the internal fixing frame is arranged inside the storage tank wall plate, and the upper end of the internal fixing frame is fixedly connected to the bottom of the walking frame; the left and right inner rollers on the left and right inner guard arms of the inner fixing frame are in rolling contact with the storage tank wall plate outwards, and the left and right outer rollers on the left and right outer guard arms of the outer fixing frame are in rolling contact with the storage tank wall plate inwards; the outer movable frame is arranged on the outer fixed frame through a first lifting mechanism, and a second lifting mechanism is arranged on the outer movable frame; the scanner is arranged on a reversing mechanism capable of changing the transverse and longitudinal detection positions of the scanner, and the reversing mechanism is arranged on a second lifting mechanism through a left-right moving mechanism. The invention can rapidly carry out automatic ultrasonic phased array detection on the butt welding seam of the wall plate, and has good stability and simple operation and maintenance.
Description
Technical Field
The invention relates to welding seam detection equipment, in particular to an ultrasonic phased array automatic detection device for a steel large-scale vertical storage tank.
Background
Ultrasonic phased array detection is an important means for detecting the welding quality of a large vertical storage tank, and is also one of the important methods for nondestructive detection of a pressure container.
At present, in actual production, traditional radiography detection, namely an X-ray film radiography technology, is mainly adopted, an exposure latent image is formed on a film after an inspected workpiece is irradiated by X-rays, and a welding seam projection image is recorded after the film is developed and fixed.
With the continuous development of Ni9 steel LNG reserves, large crude oil and finished oil reserves in China, the application of a large number of automatic welding technologies makes the traditional film photography not capable of effectively meeting the requirement of the storage tank installation progress, so that the construction progress on site is affected, and therefore, the application of an ultrasonic phased array detection technology to detect the butt welding seam of the storage tank is an effective method for solving the current problem.
At present, an automatic crawling scanning device aiming at an ultrasonic phased array detection technology is invented, the device is required to be attached to a workpiece by means of a strong magnetic mechanical device, and a tank body of a Ni9 steel LNG storage tank is required to be prevented from being magnetized as much as possible in the installation process, so that the phenomenon of welding magnetic bias blowing is reduced, and the welding quality is improved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the steel large-scale vertical storage tank ultrasonic phased array automatic detection device which can implement uniform speed, non-magnetic continuous automatic detection on the butt welding seam of the storage tank wall plate, greatly improve the detection efficiency and accelerate the construction progress.
Can solve the automatic detection device of large-scale vertical storage tank ultrasonic phased array of steel of above-mentioned technical problem, its technical scheme includes running gear, external fixation frame, internal fixation frame, outer movable frame, water spray mechanism and sweeps the ware, wherein:
1. the travelling mechanism comprises a left travelling wheel and a right travelling wheel which are arranged at the bottom of the travelling frame, and the left travelling wheel and the right travelling wheel are arranged at the top of the storage tank wallboard in a rolling way through grooves formed in the circumferences of the respective wheel bodies.
2. The external fixation frame is arranged outside the storage tank wall plate, the upper end of the external fixation frame is fixedly connected to the bottom of the outer end of the walking frame, the internal fixation frame is arranged inside the storage tank wall plate, and the upper end of the internal fixation frame is fixedly connected to the bottom of the inner end of the walking frame.
3. The left and right inner guard arms of the inner fixing frame are respectively provided with left and right inner rollers, the left and right inner rollers are installed through the front and rear adjustable distance mechanisms respectively corresponding to the left and right inner rollers and are in rolling contact with the inner plate surface of the storage tank wall plate outwards, the left and right outer guard arms of the outer fixing frame are respectively provided with left and right outer rollers, and the left and right outer rollers are installed through the front and rear adjustable distance mechanisms respectively corresponding to the left and right outer rollers and are in rolling contact with the outer plate surface of the storage tank wall plate inwards.
4. The outer movable frame is arranged on the outer fixed frame through a first lifting mechanism, and a second lifting mechanism is arranged on the outer movable frame.
5. The scanner is arranged on a reversing mechanism capable of converting the transverse detection position and the longitudinal detection position of the scanner, and the reversing mechanism is arranged on a second lifting mechanism through a left-right moving mechanism.
6. The detection support, the encoder and the camera are arranged on the scanner, and the phased array wedge block and the phased array probe are arranged on the detection support.
One structural form of the first lifting mechanism comprises a first lifting frame driven by a first electric screw rod, wherein the first lifting frame is arranged on an external fixing frame through a left sliding rail and a right sliding rail, and the upper end of the external movable frame is fixedly connected to the bottom of the first lifting frame.
One structural form of the second lifting mechanism comprises a second lifting frame driven by a second electric screw rod, and the second lifting frame is arranged on the outer movable frame through a left sliding rail and a right sliding rail.
One structural form of the left-right moving mechanism comprises a moving frame driven by a third electric screw rod, and the moving frame is arranged on a second lifting frame through an upper sliding rail and a lower sliding rail.
In order to realize reliable walking, the grooves on the walking wheels are matched with grooves on the top of the storage tank wallboard.
For convenient hoisting, left and right lifting lugs are respectively arranged on the left and right parts of the walking frame.
The front-rear distance adjusting mechanism comprises a wheel frame with the distance adjusted in the front-rear direction through a manual screw rod, the idler wheels are arranged on the corresponding wheel frames, and the wheel frames are slidably arranged on the protective arms of the corresponding fixing frames.
Conventionally, the left or right travelling wheel is set as a driving wheel.
In order to ensure the detection quality, a water spraying mechanism capable of spraying a couplant to ensure the coupling of the phased array probe and the storage tank wallboard is arranged at the lower end of the external fixing frame.
The invention has the beneficial effects that:
the steel large-scale vertical storage tank ultrasonic phased array automatic detection device rapidly and effectively carries out automatic ultrasonic phased array detection on butt welds (longitudinal joints and circumferential joints) of the wall plates of the large-scale vertical storage tank through the installed phased array instrument and the phased array probe, and evaluates the welding quality of the storage tank according to detection results, so that the engineering quality is ensured, the problems that the traditional film photographic detection has radiation risk, high labor intensity and low efficiency are effectively avoided, and the steel large-scale vertical storage tank ultrasonic phased array automatic detection device has the advantages of being good in stability, long in service life, simple in operation and maintenance and the like.
Drawings
Fig. 1 is a front view of an embodiment of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a side view of fig. 1, showing the outer movable frame raised to the highest point.
Fig. 4 is a side view of fig. 3, showing the outer movable frame lowered to its lowest point.
Drawing number identification: 1. an external fixing frame; 2. an inner fixing frame; 3. an outer movable frame; 4. a water spraying mechanism; 5. a scanner; 6. a walking frame; 7. a walking wheel; 8. a storage tank wall panel; 9. an inner arm guard; 10. an inner roller; 11. an outer arm guard; 12. an outer roller; 13. a reversing mechanism; 14. a first electric screw rod; 15. a first lifting frame; 16. a wheel carrier; 17. a second lifting frame; 18. a moving rack; 19. lifting lugs; 20. and (5) a manual screw rod.
Detailed Description
The technical scheme of the invention is further described below with reference to the embodiment shown in the drawings.
The invention discloses an ultrasonic phased array automatic detection device for a steel large-scale vertical storage tank, which structurally comprises a walking frame 6 walking on the top of a circular storage tank wall plate 8 (comprising longitudinal butt welding seams and transverse butt welding seams) through left and right walking wheels 7 (one walking wheel 7 is a driving wheel driven by a motor), wherein the left and right walking wheels 7 are arranged in the center of the bottom of the walking frame 6, the left and right walking wheels 7 are arranged on the top of the storage tank wall plate 8 in a rolling manner through grooves formed in the circumferences of respective wheel bodies, the grooves are matched with grooves in the top of the storage tank wall plate 8, and left and right lifting lugs 19 are respectively arranged on the left and right parts of the top of the walking frame 6, as shown in figures 1, 2, 3 and 4.
The bottom of the outer end of the walking frame 6 is fixedly connected with the upper end of an external fixing frame 1 (rectangular frame), the external fixing frame 1 is positioned outside a storage tank wallboard 8 and is axially parallel to the storage tank, a water spraying mechanism 4 capable of spraying water to the welding seam of the outer plate surface of the storage tank wallboard 8 is hung at the lower end of the external fixing frame 1, left and right outer guard arms 11 which are horizontally stretched are arranged on left and right frame edges of the upper part of the external fixing frame 1, wheel frames 16 which are used for adjusting the distance forwards and backwards through manual screw rods 20 are arranged at the ends of the left and right outer guard arms 11, the wheel frames 16 are slidably arranged on the outer guard arms 11, outer rollers 12 are arranged on the wheel frames 16, and the left and right wheel frames 16 drive the left and right outer rollers 12 to be rolled backwards on the outer plate surface of the storage tank wallboard 8 under the adjustment of the left and right manual screw rods 20, as shown in figures 1, 2 and 3 and 4.
The bottom of the inner end of the walking frame 6 is fixedly connected with the upper end of an inner fixing frame 2 (also a rectangular frame) with the length shorter than that of an outer fixing frame 1, the inner fixing frame 2 is positioned in a storage tank wallboard 8 and is axially parallel to the storage tank, left and right frame edge bottoms of the inner fixing frame 2 are provided with left and right horizontally extending inner guard arms 9, the end parts of the left and right inner guard arms 9 are respectively provided with a wheel frame 16 with the distance adjusted forwards and backwards through a manual screw rod 20, the wheel frames 16 are slidably mounted on the inner guard arms 9, inner rollers 10 are mounted on the wheel frames 16, the left and right wheel frames 16 drive the left and right inner rollers 10 to roll forwards on the inner plate surface of the storage tank wallboard 8 under the adjustment of the left and right manual screw rods 20, and the front and rear roller groups support the walking frame 6 on the top of the storage tank wallboard 8 to improve the movement stability, as shown in figures 1, 2, 3 and 4.
The outer movable frame 3 (also a rectangular frame) is arranged outside the storage tank wall plate 8 and at the inner side of the outer fixed frame 1, the outer movable frame 3 is slidably arranged with the tracks on the left and right frame bodies of the outer fixed frame 1 through the sliding blocks on the left and right frame bodies, the upper end of the outer movable frame 3 is arranged at the bottom of the first lifting frame 15, a first electric screw rod 14 is arranged in the outer fixed frame 1, and the first electric screw rod 14 drives the first lifting frame 15 to move up and down so as to realize the lifting movement of the outer movable frame 3; the second lifting frame 17 is transversely arranged between the left frame edge and the right frame edge of the outer movable frame 3 in the left-right direction, the outer side of the second lifting frame 17 is slidably arranged with the rails on the left frame edge and the right frame edge of the outer movable frame 3 through the left-right sliding blocks, and a second electric screw rod is arranged in the outer movable frame 3 to drive the second lifting frame 17 to realize lifting movement on the outer movable frame 3, as shown in fig. 1, 2, 3 and 4.
A movable frame 18 is arranged on the inner side of the second lifting frame 17, the movable frame 18 is arranged on the second lifting frame 17 through an upper sliding rail and a lower sliding rail, and a third electric screw rod is arranged in the second lifting frame 17 to drive the movable frame 18 to move left and right; the scanner 5 (prior art) is arranged on the movable frame 18 through a reversing mechanism 13, and the reversing mechanism 13 can convert the transverse and longitudinal detection positions of the scanner 5 through manual reversing and is locked; the scanner 5 is conventionally configured with a phased array wedge and a phased array probe mounted on a detection support, and an encoder and a camera, as shown in fig. 1, 2, 3, and 4.
The operation mode of the invention is as follows:
1. the active travelling wheel 7 rotates to drive the travelling frame 6, and the travelling frame 6 drives the whole device to perform circumferential travelling motion on the top of the storage tank wall plate 8, so that the phased array probe on the scanner 5 can move along the circumferential (transverse) welding seam.
2. The first electric screw 14 drives the outer movable frame 3 to lift on the outer fixed frame 1, so that the scanner 5 can move to a position capable of detecting corresponding circumferential welding seams of the storage tank wall plate 8.
3. The second electric screw rod drives the scanner 5 to do lifting movement, so that the scanner 5 can finish scanning the longitudinal welding seam on the storage tank wall plate 8 in the vertical direction.
Claims (5)
1. The utility model provides a large-scale vertical storage tank ultrasonic phased array automatic checkout device of steel, its characterized in that includes running gear, external fixation frame (1), internal fixation frame (2), outer movable frame (3), water spray mechanism (4) and sweeps and look into ware (5), wherein:
the travelling mechanism comprises a left travelling wheel (7) and a right travelling wheel (7) which are arranged at the bottom of the travelling frame (6), and the left travelling wheel and the right travelling wheel (7) are arranged at the top of the storage tank wallboard (8) in a rolling way through grooves formed in the circumferences of the respective wheel bodies;
the external fixing frame (1) is arranged on the outer side of the storage tank wallboard (8), the upper end of the external fixing frame (1) is fixedly connected to the bottom of the outer end of the walking frame (6), the internal fixing frame (2) is arranged on the inner side of the storage tank wallboard (8), and the upper end of the internal fixing frame (2) is fixedly connected to the bottom of the inner end of the walking frame (6);
left and right inner rollers (10) are respectively arranged on left and right inner guard arms (9) of the inner fixing frame (2), the left and right inner rollers (10) are installed through corresponding front and rear distance adjusting mechanisms and are in rolling contact with the inner plate surface of the storage tank wall plate (8) outwards, left and right outer rollers (12) are respectively arranged on left and right outer guard arms (11) of the outer fixing frame (1), and the left and right outer rollers (12) are installed through corresponding front and rear distance adjusting mechanisms and are in rolling contact with the inner plate surface of the storage tank wall plate (8) inwards;
the outer movable frame (3) is arranged on the outer fixed frame (1) through a first lifting mechanism, and a second lifting mechanism is arranged on the outer movable frame (3);
the scanner (5) is arranged on a reversing mechanism (13) capable of switching the transverse and longitudinal detection positions of the scanner, and the reversing mechanism (13) is arranged on a second lifting mechanism through a left-right moving mechanism;
the first lifting mechanism comprises a first lifting frame (15) driven by a first electric screw rod (14), the first lifting frame (15) is arranged on the external fixing frame (1) through a left sliding rail and a right sliding rail, and the upper end of the external movable frame (3) is fixedly connected to the bottom of the first lifting frame (15);
the second lifting mechanism comprises a second lifting frame (17) driven by a second electric screw rod, and the second lifting frame (17) is arranged on the outer movable frame (3) through a left sliding rail and a right sliding rail;
the left-right moving mechanism comprises a moving frame (18) driven by a third electric screw rod, and the moving frame (18) is arranged on a second lifting frame (17) through an upper sliding rail and a lower sliding rail;
a detection bracket, an encoder and a camera are arranged on the scanner (5), and a phased array wedge block and a phased array probe are arranged on the detection bracket;
the water spraying mechanism (4) capable of spraying the couplant to ensure the coupling of the phased array probe and the storage tank wall plate (8) is arranged at the lower end of the external fixing frame (1).
2. The steel large-scale vertical storage tank ultrasonic phased array automatic detection device according to claim 1, wherein: the grooves on the travelling wheels (7) are matched with grooves on the top of the storage tank wall plate (8).
3. The steel large-scale vertical storage tank ultrasonic phased array automatic detection device according to claim 1, wherein: left and right lifting lugs (19) are respectively arranged on left and right parts of the top of the walking frame (6).
4. The steel large-scale vertical storage tank ultrasonic phased array automatic detection device according to claim 1, wherein: the front-rear distance adjusting mechanism comprises wheel frames (16) with the distance adjusted in the front-rear direction through a manual screw rod (20), the idler wheels (10) are arranged on the corresponding wheel frames (16), and the wheel frames (16) are slidably arranged on the guard arms of the corresponding fixing frames.
5. The steel large-scale vertical storage tank ultrasonic phased array automatic detection device according to claim 1, wherein: one of the travelling wheels (7) is a driving wheel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810475389.3A CN108802179B (en) | 2018-05-17 | 2018-05-17 | Ultrasonic phased array automatic detection device for steel large-scale vertical storage tank |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810475389.3A CN108802179B (en) | 2018-05-17 | 2018-05-17 | Ultrasonic phased array automatic detection device for steel large-scale vertical storage tank |
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| CN108802179A CN108802179A (en) | 2018-11-13 |
| CN108802179B true CN108802179B (en) | 2024-03-15 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110825082B (en) * | 2019-11-12 | 2023-04-25 | 宁波市劳动安全技术服务公司 | Scanning frame and path planning method thereof |
| CN112924549B (en) * | 2021-02-07 | 2023-02-10 | 阿塔米智能装备(北京)有限公司 | Ultrasonic detection system |
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|---|---|---|---|---|
| JPH10288610A (en) * | 1997-04-16 | 1998-10-27 | Nkk Corp | Surface traveling flaw detecting device of large steel structure |
| CN201056237Y (en) * | 2007-04-17 | 2008-05-07 | 中国石油天然气管道局 | Ultrasound wave detecting magnetic adsorption creeping device for large-scale storage tank phase array |
| CN101603949A (en) * | 2009-07-20 | 2009-12-16 | 北京欧宁航宇检测技术有限公司 | Automatic ultrasonic scanner for welding lines of large workpieces |
| CN201429588Y (en) * | 2009-07-15 | 2010-03-24 | 北京欧宁航宇检测技术有限公司 | Automatic ultrasonic scanner for large-scale workpiece weld joints |
| CN103913474A (en) * | 2014-03-27 | 2014-07-09 | 桂林市南方检测有限责任公司 | Steel large vertical storage tank X ray automatic detection equipment |
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| CN208125674U (en) * | 2018-05-17 | 2018-11-20 | 桂林市南方检测有限责任公司 | Steel large-scale vertical storage tank ultrasonic phase array automatic detection device |
-
2018
- 2018-05-17 CN CN201810475389.3A patent/CN108802179B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10288610A (en) * | 1997-04-16 | 1998-10-27 | Nkk Corp | Surface traveling flaw detecting device of large steel structure |
| CN201056237Y (en) * | 2007-04-17 | 2008-05-07 | 中国石油天然气管道局 | Ultrasound wave detecting magnetic adsorption creeping device for large-scale storage tank phase array |
| CN201429588Y (en) * | 2009-07-15 | 2010-03-24 | 北京欧宁航宇检测技术有限公司 | Automatic ultrasonic scanner for large-scale workpiece weld joints |
| CN101603949A (en) * | 2009-07-20 | 2009-12-16 | 北京欧宁航宇检测技术有限公司 | Automatic ultrasonic scanner for welding lines of large workpieces |
| CN103913474A (en) * | 2014-03-27 | 2014-07-09 | 桂林市南方检测有限责任公司 | Steel large vertical storage tank X ray automatic detection equipment |
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