CN114062398B - RT imaging defect automatic identification system - Google Patents
RT imaging defect automatic identification system Download PDFInfo
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- CN114062398B CN114062398B CN202111213508.6A CN202111213508A CN114062398B CN 114062398 B CN114062398 B CN 114062398B CN 202111213508 A CN202111213508 A CN 202111213508A CN 114062398 B CN114062398 B CN 114062398B
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- 230000007547 defect Effects 0.000 title claims abstract description 50
- 238000003384 imaging method Methods 0.000 title claims abstract description 23
- 238000007689 inspection Methods 0.000 claims abstract description 64
- 238000001514 detection method Methods 0.000 claims description 43
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 28
- 238000012423 maintenance Methods 0.000 claims description 16
- 229910052742 iron Inorganic materials 0.000 claims description 14
- 238000003825 pressing Methods 0.000 claims description 14
- 230000005855 radiation Effects 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 11
- 238000003860 storage Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 11
- 238000005457 optimization Methods 0.000 description 9
- 230000002950 deficient Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- 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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/03—Investigating materials by wave or particle radiation by transmission
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The invention relates to an automatic identification system for RT imaging defects, which comprises a pipeline crawler carrying a radiographic inspection instrument to walk in a pipeline to be inspected, an angle adjusting device for adjusting the angle of a radiographic source of the radiographic inspection instrument, a rotary driving device for driving the radiographic inspection instrument to perform rotary inspection, a protecting device arranged outside the radiographic inspection instrument, a walking marking device walking outside the pipeline to be inspected, and an electromagnet device for driving the walking marking device to follow the protecting device to move, wherein the protecting device comprises a protecting cover and a first electric push rod for driving the protecting cover to horizontally move in the length direction of the radiographic inspection instrument, and the protecting cover drives the walking marking device to move outside the pipeline to be inspected through the electromagnet device for marking. The radiographic inspection instrument can perform angle adjustment while performing 360-degree rotation inspection, obtain more detailed inspection image data of different angles of damaged parts of the pipeline welding seam, and realize accurate inspection.
Description
Technical Field
The invention belongs to the field of pipeline flaw detection, and particularly relates to an automatic identification system for RT imaging defects.
Background
The pipeline radiographic inspection device detects the pipeline by utilizing rays, and in the detection process, the distance and the angle between the pipeline radiographic inspection device and a welding line are required to be kept consistent. The common pipeline radiographic inspection device is characterized in that emitted rays are perpendicular to welding seams, but the flaw detection method has the defect of inaccurate detection results, flaw detection errors are increased, flaw detection effects are poor, and the whole pipeline radiographic inspection device is not strong in practicability.
Disclosure of Invention
The invention aims to solve the problems and provide an automatic identification system for RT imaging defects.
The invention realizes the above purpose through the following technical scheme:
an automatic identification system for RT imaging defects comprises a pipeline crawler carrying a radiographic inspection instrument to walk in a pipeline to be inspected, an angle adjusting device for adjusting the angle of a radiographic source of the radiographic inspection instrument, a rotary driving device for driving the radiographic inspection instrument to perform rotary inspection, a protection device arranged outside the radiographic inspection instrument, a walking marking device walking outside the pipeline to be inspected, and an electromagnet device for driving the walking marking device to move along with the protection device;
the protection device comprises a protection cover and a first electric push rod which drives the protection cover to horizontally move in the length direction of the radiographic inspection instrument, the electromagnet device comprises an electromagnet and a movable iron sheet, the electromagnet is fixed on the protection cover, the movable iron sheet is arranged at the bottom of the travelling marking device, and the protection cover drives the travelling marking device to carry out movable marking outside a pipeline to be inspected through the electromagnet and the movable iron sheet.
As a further optimization scheme of the invention, the rotary driving device comprises a driving motor and a rotating shaft, an output shaft of the driving motor is connected with the rotating shaft, a second electric push rod is fixedly arranged at the bottom of the driving motor, and the second electric push rod is fixed on the pipeline crawler.
As a further optimization scheme of the invention, a ball bearing is arranged on the rotating shaft, a first telescopic rod is fixedly arranged at the bottom of the ball bearing, the first telescopic rod is fixed on the pipeline crawler, electric telescopic cantilevers are fixedly arranged on two sides of the outer wall of the ball bearing, a pressing block is fixedly arranged at the end part of each electric telescopic cantilever, a pressure sensor is arranged in each pressing block, each pressing block is arc-shaped, the outer wall of each pressing block is attached to the inner wall of the pipeline, and a plurality of balls are embedded on the side wall, close to the pipeline, of each pressing block.
As a further optimization scheme of the invention, the X-ray flaw detector is arranged in a tube shape, the outer wall of the X-ray flaw detector is fixedly provided with at least one row of ray source emission heads, one end of the X-ray flaw detector is connected with a third electric push rod through a bearing, the third electric push rod is fixedly connected with a rotating shaft, one end of the first electric push rod is arranged at the top end of the third electric push rod, and the other end of the first electric push rod is connected with a protective cover through an L-shaped long rod.
As a further optimization scheme of the invention, the angle adjusting device comprises a sector gear, a pinion and a positive and negative motor, wherein the sector gear, the pinion and the positive and negative motor are meshed with each other, the positive and negative motor drives the pinion to rotate, the sector gear is fixed on the outer wall of the radiographic inspection instrument at the outer side of the radiation source emission head, the positive and negative motor drives the radiographic inspection instrument to rotate through the pinion and the sector gear so as to adjust the angle of the radiation source emission head, and the positive and negative motor is fixedly connected with the rod end of the third electric push rod through a bracket.
As a further optimization scheme of the invention, the walking marking device comprises a walking vehicle, a fourth electric push rod fixed at the bottom of the walking vehicle and a marking color pen fixed at the bottom end of the fourth electric push rod, and the marking color pen is arranged at one side of the movable iron sheet.
As a further optimization scheme of the invention, the radiographic inspection instrument is an X-ray inspection instrument, the radiographic inspection instrument is provided with an angle sensor, the X-ray inspection instrument and the angle sensor are both in communication connection with a singlechip in the pipeline crawler, and the singlechip is connected with a remote server through a wireless module and is used for sending a pipeline inspection image detected by the radiographic inspection instrument to the remote server for processing.
As a further optimization scheme of the invention, the pipeline crawler is internally provided with the GPS locator, the GPS locator is connected with the singlechip, and the singlechip is used for sending the pipeline flaw detection position information to the remote server.
As a further optimization scheme of the invention, the remote server comprises an RT imaging storage module and a defect identification module, and the remote server receives the pipeline flaw detection image sent by the singlechip and stores the pipeline flaw detection image in the RT imaging storage module, and then the defect identification module carries out defect identification on the pipeline flaw detection image to judge the defect part of the pipeline.
As a further optimization scheme of the invention, the remote server is connected with the maintenance terminal through the wireless module, and when the defect part of the pipeline is judged, the pipeline flaw detection position information corresponding to the defect part is sent to the maintenance terminal so as to carry out pipeline maintenance.
The invention has the beneficial effects that:
1) The invention adopts the pipeline crawler to transport the radiographic inspection instrument, the radiographic inspection instrument can perform angle adjustment while rotating for inspection at 360 degrees, and more detailed inspection image data of different angles of damaged parts of the pipeline weld joint can be obtained, thereby realizing accurate inspection;
2) The electromagnetic device is connected with the protecting device and the walking marking device inside and outside the pipeline, and the walking marking device can move to the radiation source transmitting head for detecting the defects along with the protecting device, so that the outer wall of the pipeline corresponding to the defects can be marked, repair welding maintenance is convenient for external workers, the electric quantity required by the walking marking device to walk outside the pipeline is saved, the complex structure required by the walking marking device to walk outside the pipeline stably is omitted, and the electromagnetic device is economical and practical;
3) According to the invention, the radiographic inspection instrument is in a tubular shape, and the angle adjusting device is arranged at the bottom of the radiographic inspection instrument, so that the whole rotating inspection head is compact in structure, does not occupy space, and improves stability during rotating operation;
4) According to the invention, through the arrangement of the electric telescopic cantilever and the pressing block, the electric telescopic cantilever can drive the pressing block to press against the inner wall of a pipeline under the rotation of the radiographic inspection instrument, so that the stability of the whole device is ensured, and the high-precision flaw detection is realized.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic cross-sectional view of the radiographic inspection apparatus of the present invention.
Fig. 3 is a side view of the angle adjusting device of the present invention.
Fig. 4 is a schematic view of the structure of the electric telescopic boom and the pressing block of the present invention.
Fig. 5 is a schematic view of the structure of the running marking device of the present invention.
Fig. 6 is an overall system block diagram of the present invention.
Fig. 7 is a block diagram of a remote server system of the present invention.
In the figure: 1. a radiographic inspection instrument; 2. a pipe crawler; 3. an angle adjusting device; 31. a sector gear; 32. a pinion gear; 33. a forward and reverse motor; 4. a rotation driving device; 41. a driving motor; 42. a rotating shaft; 43. a first telescopic rod; 44. a second electric push rod; 5. a protective device; 51. a protective cover; 52. a first electric push rod; 53. an L-shaped long rod; 6. a walking marking device; 61. a walking vehicle; 62. marking a color pen; 63. fourth electric push rod; 7. an electromagnet device; 71. an electromagnet; 72 moving the iron sheet; 8. a third electric push rod; 9. an electric telescopic cantilever; 10. pressing blocks; 11. a radiation source emitting head; 12. a pressure sensor; 13. a ball; 14. an angle sensor; 15. a single chip microcomputer; 16. a remote server; 17. a GPS locator; 18. and (5) maintaining the terminal.
Detailed Description
The following detailed description of the present application is provided in conjunction with the accompanying drawings, and it is to be understood that the following detailed description is merely illustrative of the application and is not to be construed as limiting the scope of the application, since numerous insubstantial modifications and adaptations of the application will be to those skilled in the art in light of the foregoing disclosure.
In the description of the present invention, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention; in the description of the present invention, unless otherwise indicated, the meaning of "a plurality", "a number" or "a plurality" is two or more.
Example 1
As shown in fig. 1-4 and fig. 6-7, an automatic identification system for RT imaging defects comprises a pipeline crawler 2 for carrying a radiographic inspection instrument 1 to walk in a pipeline to be inspected, an angle adjusting device 3 for adjusting the angle of a radiographic source of the radiographic inspection instrument 1, and a rotary driving device 4 for driving the radiographic inspection instrument 1 to perform rotary inspection;
the X-ray flaw detector 1 is arranged in a tubular shape, at least one row of ray source emission heads 11 are fixedly arranged on the outer wall of the X-ray flaw detector 1, and an angle sensor 14 is arranged on the X-ray flaw detector 1;
the angle adjusting device 3 comprises a sector gear 31, a pinion gear 32 and a positive and negative motor 33 which are meshed with each other and drive the pinion gear 32 to rotate, the sector gear 31 is fixed on the outer wall of the radiographic inspection instrument 1 at the outer side of the radiation source emission head 11, and the positive and negative motor 33 drives the radiographic inspection instrument 1 to rotate through the pinion gear 32 and the sector gear 31 so as to adjust the angle of the radiation source emission head 11;
the rotary driving device 4 drives the radiographic inspection instrument 1 to revolve so as to perform rotary inspection;
the X-ray flaw detector and the angle sensor 14 are both in communication connection with the singlechip 15 in the pipeline crawler 2, and the singlechip 15 is connected with the remote server 16 through a wireless module and is used for sending the pipeline flaw detection image detected by the radiographic inspection instrument 1 to the remote server 16 for processing, wherein the singlechip 15 is arranged in the pipeline crawler 2, and a circuit board and a storage battery are also arranged in the pipeline crawler 2.
The pipeline crawler 2 is internally provided with a GPS (global positioning system) positioner 17, the GPS positioner 17 is connected with a singlechip 15, and pipeline flaw detection position information is sent to a remote server 16 through the singlechip 15.
The remote server 16 comprises an RT imaging storage module and a defect recognition module, the remote server 16 receives the pipeline flaw detection image sent by the singlechip 15 and stores the pipeline flaw detection image in the RT imaging storage module, and then the defect recognition module performs defect recognition on the pipeline flaw detection image to judge the defect position of the pipeline.
The remote server 16 is connected to the maintenance terminal 18 through a wireless module, and when judging a defective portion of the pipe, sends the pipe flaw detection position information corresponding to the defective portion to the maintenance terminal 18 for pipe maintenance.
When the pipeline flaw detection is carried out, the pipeline crawler 2 can be controlled by the control platform of the remote server 16 according to the pipeline distribution route and the pipeline welding position, so that the pipeline crawler drives the X-ray flaw detector to run in a pipeline, when the pipeline welding seam is met, the X-ray flaw detector and the rotary driving device 4 are started, the ray source emission head 11 of the X-ray flaw detector at the moment is vertical to the inner wall of the pipeline, the rotary driving device 4 drives the X-ray flaw detector to revolve and rotate, 360-degree omnibearing welding seam flaw detection is carried out, and flaw detection images are transmitted to the remote server 16 for processing through the singlechip 15 and the wireless module;
after 360-degree vertical rotation flaw detection of a welding line, a forward and reverse motor 33 can be started to rotate forward and reverse, an output shaft of the forward and reverse motor 33 drives a pinion 32 to rotate, the pinion 32 is meshed with a sector gear 31 to realize rotation of the sector gear 31, the diameter of the sector gear 31 is larger than that of the pinion 32, higher precision adjustment of the rotation angle of the sector gear 31 can be realized, the sector gear 31 rotates to drive a tubular X-ray flaw detector to rotate forward and reverse, the angle of a radiation source transmitting head 11 can be adjusted, a radiation source and the inner wall of a pipeline are inclined at the moment, the inclination angle is detected by an angle sensor 14, the angle sensor 14 can adopt an RTSP-A rotation angle sensor 14, the rotation angle can be adjusted at will, after the angle is adjusted, measured data and the rotation angle are transmitted to a remote server 16 through a singlechip 15, one rotation angle data corresponds to one pipeline flaw detection data set, and the pipeline flaw detection data set can be stored by an RT imaging storage module respectively and independently according to the rotation angle data; welding lines at different positions are independently stored according to the pipeline flaw detection position information positioned by the GPS positioner 17; when the subsequent identification is performed by the defect identification module, the image identification is performed by grouping, so that the disorder of data processing is avoided, and the judgment of carding is not easy;
the defect recognition module adopts an image recognition technology for recognizing the pipeline flaw detection image, specifically, the pipeline flaw detection image is compared with the defect characteristic image stored in the database, and the similar image is the pipeline flaw image;
when a pipe defect is identified, the remote server 16 sends the pipe defect detection position information and the identified pipe defect detection image with the defect to the maintenance terminal 18, the maintenance terminal 18 can be a mobile phone or a computer of a maintenance personnel, the maintenance personnel can quickly find the defect position according to the pipe defect detection position information, and the type of the pipe defect can be judged according to the pipe defect detection image so as to prepare a proper tool, so that quick maintenance is realized.
As shown in fig. 1 and fig. 4, the rotary driving device 4 includes a driving motor 41 and a rotating shaft 42, an output shaft of the driving motor 41 is connected with the rotating shaft 42, a second electric push rod 44 is fixedly arranged at the bottom of the driving motor 41, and the second electric push rod 44 is fixed on the pipeline crawler 2;
be equipped with ball bearing on the pivot 42, ball bearing bottom is fixed to be equipped with telescopic link 43 No. one, and telescopic link 43 is fixed in on the pipeline crawler 2 No. one, ball bearing outer wall both sides are fixed to be equipped with electronic telescopic cantilever 9, electronic telescopic cantilever 9 end fixing is equipped with and supports briquetting 10, be provided with pressure sensor 12 in supporting briquetting 10, it sets up to arc and its outer wall and pipeline inner wall laminating to support briquetting 10, it is equipped with a plurality of balls 13 to support to inlay on the lateral wall that briquetting 10 is close to the pipeline.
The X-ray flaw detector is characterized in that one end of the X-ray flaw detector 1 is connected with a third electric push rod 8 through a bearing, the third electric push rod 8 is fixedly connected with a rotating shaft 42, and the positive and negative motor 33 is fixedly connected with the rod end of the third electric push rod 8 through a bracket.
The pressure sensor 12, the electric telescopic cantilever 9, the second electric push rod 44 and the third electric push rod 8 are all connected with the singlechip 15.
It should be noted that, when the X-ray flaw detector performs revolution flaw detection, the revolution circle center is required to be kept as the pipeline circle center, so that the distance between the X-ray flaw detector and the inner wall of the pipeline is ensured to be consistent, therefore, the circle center of the rotating shaft 42 is used as the revolution circle center through the telescopic motion of the second electric push rod 44, the circle center of the rotating shaft 42 is adjusted to be consistent with the pipeline circle center, the distance between the X-ray flaw detector and the inner wall of the pipeline can be adjusted through the telescopic motion of the third electric push rod 8, and the determination of the circle center of the rotating shaft 42 can be determined by being matched with the use of the electric telescopic cantilever 9, and the following steps are specific: the electric telescopic cantilevers 9 which are arranged in a straight shape on two sides of the rotating shaft 42 are started to extend to two sides, the second electric push rod 44 also pushes the electric telescopic cantilevers to move upwards, the pressure sensor 12 at the end part of each electric telescopic cantilever 9 detects pressure in real time, the electric telescopic cantilevers 9 are prevented from being damaged, and the diameter of a pipeline is maximum, so that when the first electric telescopic rod is pushed to the longest length, the rotating shaft 42 at the moment is the center position of a circle.
When the rotating shaft 42 rotates to drive the X-ray flaw detector to rotate for flaw detection, the electric telescopic cantilever 9 and the pressing block 10 at the end part are propped against the inner wall of the pipeline, so that the whole device is prevented from shaking, the stability of the rotation flaw detection of the X-ray flaw detector is ensured, and the flaw detection precision is improved.
As shown in fig. 1-3 and fig. 5-7, an automatic identification system for RT imaging defects further comprises a protecting device 5 arranged outside the radiographic inspection instrument 1, a walking marking device 6 walking outside a pipeline to be inspected, and an electromagnet device 7 driving the walking marking device 6 to move along with the protecting device 5;
the protection device 5 comprises a protection cover 51 and a first electric push rod 52 for driving the protection cover 51 to horizontally move in the length direction of the radiographic inspection instrument 1, the electromagnet device 7 comprises an electromagnet 71 and a movable iron sheet 72, the electromagnet 71 is fixed on the protection cover 51, the movable iron sheet 72 is arranged at the bottom of the walking marking device 6, and the protection cover 51 drives the walking marking device 6 to carry out movable marking outside a pipeline to be inspected through the electromagnet 71 and the movable iron sheet 72;
one end of the first electric push rod 52 is arranged at the top end of the third electric push rod 8, and the other end of the first electric push rod is connected with the protective cover 51 through an L-shaped long rod 53;
the walking marking device 6 comprises a walking vehicle 61, a fourth electric push rod 63 fixed at the bottom of the walking vehicle, and a marking color pen 62 fixed at the bottom end of the fourth electric push rod 63, wherein the marking color pen 62 is arranged on one side of the movable iron sheet 72.
It should be noted that, when the radiographic inspection instrument 1 moves and rotates, the protective cover 51 can protect the radiographic inspection instrument 1 from collision to damage the radiation source emission head 11, and before the radiographic inspection instrument 1 performs rotary inspection, the single chip microcomputer 15 controls the first electric push rod 52 to be opened, the first electric push rod 52 drives the protective cover 51 which is arranged in an inverted U shape to move to the right side through the L-shaped long rod 53, the radiation source emission head 11 is exposed for flaw detection, when the protective cover 51 moves to the right side, the electromagnet 71 is driven to move to the right side, the electromagnet 71 is always in a power-on state, and the moving iron sheet 72 can be attracted through a metal pipeline, so that the travelling marking device 6 is driven to move to the right side when the protective cover 51 moves, and the condition that the travelling marking device 6 covers a welding seam to influence detection is avoided;
when the electromagnet 71 drives the traveling marking device 6 to move, the roller at the bottom of the traveling carriage 61 is attached to the outer wall of the pipeline, the fourth electric push rod 63 and the marking color pen 62 at the bottom are driven to travel on the pipeline, when the defect part of the pipeline is detected, the single chip microcomputer 15 controls the driving motor 41 to be closed, the first electric push rod 52 drives the protective cover 51 to move to the upper part of the radiographic inspection instrument 1, meanwhile, the protective cover 51 drives the electromagnet 71 to move to the defect part, the electromagnet 71 drives the traveling marking device 6 to move to the outer wall of the pipeline corresponding to the defect part, the single chip microcomputer 15 is connected with the fourth electric push rod 63 through a wireless module, and the single chip microcomputer 15 is controlled to drive the marking color pen 62 to move downwards to mark the outer wall of the pipeline corresponding to the defect part, so that repair welding maintenance is convenient for an external worker.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (8)
1. An automatic identification system for RT imaging defects, which is characterized in that: the device comprises a pipeline crawler (2) for carrying a radiographic inspection instrument (1) to walk in a pipeline to be inspected, an angle adjusting device (3) for adjusting the angle of a radiographic source of the radiographic inspection instrument (1), a rotary driving device (4) for driving the radiographic inspection instrument (1) to perform rotary inspection, a protecting device (5) arranged outside the radiographic inspection instrument (1), a walking marking device (6) walking outside the pipeline to be inspected, and an electromagnet device (7) for driving the walking marking device (6) to move along with the protecting device (5);
the rotary driving device (4) comprises a driving motor (41) and a rotating shaft (42), an output shaft of the driving motor (41) is connected with the rotating shaft (42), a second electric push rod (44) is fixedly arranged at the bottom of the driving motor (41), the second electric push rod (44) is fixed on the pipeline crawler (2), a ball bearing is arranged on the rotating shaft (42), a first telescopic rod (43) is fixedly arranged at the bottom of the ball bearing, the first telescopic rod (43) is fixed on the pipeline crawler (2), electric telescopic cantilevers (9) are fixedly arranged on two sides of the outer wall of the ball bearing, pressing blocks (10) are fixedly arranged at the ends of the electric telescopic cantilevers (9), pressure sensors (12) are arranged in the pressing blocks (10), the pressing blocks (10) are arranged in an arc shape, the outer walls of the pressing blocks are attached to the inner walls of the pipelines, a plurality of balls (13) are embedded on the side walls, close to the pipelines, one ends of the radiographic inspection instrument (1) are connected with a third electric push rod (8) through bearings, and the third electric push rod (8) is fixedly connected with the rotating shaft (42);
the protection device (5) comprises a protection cover (51), and a first electric push rod (52) which drives the protection cover (51) to horizontally move in the length direction of the radiographic inspection instrument (1), the electromagnet device (7) comprises an electromagnet (71) and a movable iron sheet (72), the electromagnet (71) is fixed on the protection cover (51), the movable iron sheet (72) is arranged at the bottom of the walking marking device (6), and the protection cover (51) drives the walking marking device (6) to move outside a pipeline to be inspected through the electromagnet (71) and the movable iron sheet (72).
2. The automatic identification system of RT imaging defects according to claim 1, wherein: the X-ray flaw detector (1) is arranged in a tube shape, at least one row of ray source emission heads (11) are fixedly arranged on the outer wall of the X-ray flaw detector, one end of a first electric push rod (52) is arranged at the top end of a third electric push rod (8), and the other end of the first electric push rod is connected with a protective cover (51) through an L-shaped long rod (53).
3. An automatic identification system of RT imaging defects according to claim 2, wherein: the angle adjusting device (3) comprises a sector gear (31), a pinion (32) and a positive and negative motor (33) which are meshed with each other and drive the pinion (32) to rotate, the sector gear (31) is fixed on the outer wall of a radiographic inspection instrument (1) on the outer side of a radiation source emission head (11), the positive and negative motor (33) drives the radiographic inspection instrument (1) to rotate through the pinion (32) and the sector gear (31) so as to adjust the angle of the radiation source emission head (11), and the positive and negative motor (33) is fixedly connected with the rod end of a third electric push rod (8) through a bracket.
4. The automatic identification system of RT imaging defects according to claim 1, wherein: the walking marking device (6) comprises a walking vehicle (61), a fourth electric push rod (63) fixed at the bottom of the walking vehicle, and a marking color pen (62) fixed at the bottom end of the fourth electric push rod (63), wherein the marking color pen (62) is arranged on one side of the movable iron sheet (72).
5. The automatic identification system of RT imaging defects according to claim 1, wherein: the X-ray flaw detector is characterized in that the X-ray flaw detector (1) is an X-ray flaw detector, an angle sensor (14) is arranged on the X-ray flaw detector (1), the X-ray flaw detector and the angle sensor (14) are both in communication connection with a singlechip (15) in the pipeline crawler (2), and the singlechip (15) is connected with a remote server (16) through a wireless module and is used for sending a pipeline flaw detection image detected by the X-ray flaw detector (1) to the remote server (16) for processing.
6. The automated RT imaging defect identification system of claim 5, wherein: the pipeline crawler (2) is internally provided with a GPS (global positioning system) locator (17), the GPS locator (17) is connected with a singlechip (15), and pipeline flaw detection position information is sent to a remote server (16) through the singlechip (15).
7. The automatic identification system of RT imaging defects as set forth in claim 6, wherein: the remote server (16) comprises an RT imaging storage module and a defect identification module, the remote server (16) receives the pipeline flaw detection image sent by the singlechip (15) and stores the pipeline flaw detection image in the RT imaging storage module, and then the defect identification module carries out defect identification on the pipeline flaw detection image to judge the defect position of the pipeline.
8. The automated RT imaging defect identification system of claim 7, wherein: the remote server (16) is connected with the maintenance terminal (18) through a wireless module, and when judging the defect part of the pipeline, the remote server sends the pipeline flaw detection position information corresponding to the defect part to the maintenance terminal (18) so as to carry out pipeline maintenance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111213508.6A CN114062398B (en) | 2021-10-19 | 2021-10-19 | RT imaging defect automatic identification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111213508.6A CN114062398B (en) | 2021-10-19 | 2021-10-19 | RT imaging defect automatic identification system |
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| CN201555817U (en) * | 2009-12-17 | 2010-08-18 | 丹东华日理学电气有限公司 | Sea-diving steel pipe X-ray real-time imaging and detecting device |
| CN203965353U (en) * | 2014-07-07 | 2014-11-26 | 安阳中科工程检测有限公司 | A kind of liftable pipe welding seam inspection crawl device |
| CN206565963U (en) * | 2016-11-14 | 2017-10-20 | 北京大学深圳医院 | Mobile X-ray video camera |
| CN210605024U (en) * | 2019-10-24 | 2020-05-22 | 陕西地矿第二综合物探大队有限公司 | Metal pipeline detector |
| CN112503301A (en) * | 2020-10-21 | 2021-03-16 | 浙江中工石化设备有限公司 | Nondestructive inspection positioning device and inspection equipment for return bend |
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| GB0917950D0 (en) * | 2009-10-13 | 2009-11-25 | Shawcor Ltd | X-ray inspection method and apparatus for pipeline girth weld inspection |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201555817U (en) * | 2009-12-17 | 2010-08-18 | 丹东华日理学电气有限公司 | Sea-diving steel pipe X-ray real-time imaging and detecting device |
| CN203965353U (en) * | 2014-07-07 | 2014-11-26 | 安阳中科工程检测有限公司 | A kind of liftable pipe welding seam inspection crawl device |
| CN206565963U (en) * | 2016-11-14 | 2017-10-20 | 北京大学深圳医院 | Mobile X-ray video camera |
| CN210605024U (en) * | 2019-10-24 | 2020-05-22 | 陕西地矿第二综合物探大队有限公司 | Metal pipeline detector |
| CN112503301A (en) * | 2020-10-21 | 2021-03-16 | 浙江中工石化设备有限公司 | Nondestructive inspection positioning device and inspection equipment for return bend |
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