CN220305219U - Magnetic particle flaw detection mechanism of pipeline annular weld detection system - Google Patents
Magnetic particle flaw detection mechanism of pipeline annular weld detection system Download PDFInfo
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- CN220305219U CN220305219U CN202321482228.XU CN202321482228U CN220305219U CN 220305219 U CN220305219 U CN 220305219U CN 202321482228 U CN202321482228 U CN 202321482228U CN 220305219 U CN220305219 U CN 220305219U
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- 238000001514 detection method Methods 0.000 title claims abstract description 75
- 239000006249 magnetic particle Substances 0.000 title claims abstract description 28
- 239000000523 sample Substances 0.000 claims abstract description 66
- 239000000725 suspension Substances 0.000 claims abstract description 37
- 238000007689 inspection Methods 0.000 claims abstract description 31
- 239000007921 spray Substances 0.000 claims abstract description 28
- 238000003466 welding Methods 0.000 abstract description 28
- 239000006247 magnetic powder Substances 0.000 abstract description 26
- 238000009434 installation Methods 0.000 abstract description 9
- 238000005507 spraying Methods 0.000 description 15
- 230000005415 magnetization Effects 0.000 description 9
- 238000003860 storage Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000010191 image analysis Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The utility model discloses a magnetic particle inspection detection mechanism of a pipeline girth weld detection system, which relates to the technical field of pipeline weld detection and comprises a mounting seat, a magnetic suspension spray pipe, an image acquisition unit, a magnetic probe and a quick-release socket assembly; the magnetic suspension spray pipe is arranged on the mounting seat, and the outlet end of the magnetic suspension spray pipe faces the magnetic probe; the image acquisition unit is arranged on the mounting seat, and the image acquisition end of the image acquisition unit faces the magnetic probe; the magnetic probe is installed on the installation seat through the quick-release socket assembly. The magnetic powder flaw detection mechanism provided by the utility model has the advantages that the magnetic suspension spray pipe is arranged on the mounting seat, and the outlet end of the magnetic suspension spray pipe faces the magnetic probe; the magnetic probe is installed on the installation seat through the quick-release socket assembly, the magnetic powder flaw detection mechanism can be installed on the welding line detection robot on the outer wall of the pipeline, and also can be installed on the welding line detection robot on the inner wall of the pipeline, and the magnetic powder flaw detection mechanism is used for carrying out magnetic powder flaw detection on the annular welding line on the wall surface of the pipeline.
Description
Technical Field
The utility model relates to the technical field of pipeline weld joint detection, in particular to a magnetic particle flaw detection mechanism of a pipeline annular weld joint detection system.
Background
The welding seam is formed by melting and connecting the welding rod and the metal at the joint by utilizing the high temperature of a welding heat source, and after the welding seam metal is cooled, the two welding pieces are connected into a whole. The pipeline weld joints are mostly annular weld joints, and pipelines connected at two ends are connected into a whole through welding so as to continuously prolong the pipeline. In addition to the requirements of welding technology and welding process, welding quality detection is also an important part of quality management of welded structures, and safe and reliable operation of welded products is ensured by detecting welding quality. The welding quality detection modes which are common at present comprise ultrasonic detection, magnetic particle inspection and the like.
In the prior art, the patent with the publication number of CN212180688U discloses a magnetic suspension spraying device of a magnetic particle inspection machine, which comprises a spraying box, a plurality of spray heads, a storage bottle and an air pump, wherein the spraying box is rotatably connected to one end of an annular magnetic yoke of the magnetic particle inspection machine, the spray heads are arranged on the inner side wall of the spraying box at intervals, the storage bottle is arranged on a base of the magnetic particle inspection machine, and the air pump is connected with the storage bottle; the spraying box is hollow annular in the inside, the internal diameter of spraying box is less than the internal diameter of magnetic particle inspection machine annular yoke, be connected with connecting tube between storage bottle and the spraying box, connecting tube is with the inside intercommunication of storage bottle and spraying box, be provided with the air supply pipeline between storage bottle and the air pump, the air pump passes through the air supply pipeline and carries gas in to the storage bottle. The magnetic suspension device has the advantages of being convenient for spraying the magnetic suspension on the annular welding seam, improving the detection efficiency and reducing the labor intensity of workers.
The magnetic suspension spraying device provided by the patent is characterized in that the spraying box is of an annular structure, and a plurality of spray heads on the spraying box spray the pipeline in the spraying box, so that the magnetic suspension spraying device is only suitable for magnetic powder flaw detection of the annular weld joint on the outer wall surface of the pipeline, and cannot be used for magnetic powder flaw detection of the annular weld joint on the inner wall surface of the pipeline; meanwhile, the device does not have image acquisition equipment, and can not acquire images of magnetic powder magnetization conditions.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide a magnetic powder flaw detection mechanism of a pipeline annular welding seam detection system, so as to solve the problems that the magnetic powder flaw detection cannot be carried out on the annular welding seam on the inner wall surface of a pipeline, the image acquisition cannot be carried out on the magnetic powder magnetization condition and the like.
In order to achieve the above purpose, the present utility model adopts the technical scheme that:
the magnetic powder flaw detection mechanism of the pipeline annular weld detection system comprises a mounting seat, a magnetic suspension spray pipe, an image acquisition unit, a magnetic probe and a quick-release socket assembly;
the magnetic suspension spray pipe is arranged on the mounting seat, and the outlet end of the magnetic suspension spray pipe faces the magnetic probe; the image acquisition unit is arranged on the mounting seat, and the image acquisition end of the image acquisition unit faces the magnetic probe; the magnetic probe is mounted on the mounting seat through a quick-release socket assembly.
Further, the back of the magnetic probe is provided with a quick-release protrusion, and the quick-release socket assembly comprises a quick-release socket and a quick-release fixing piece; the quick-release protrusion is inserted into the quick-release socket, and the quick-release fixing piece is inserted into the quick-release socket and abuts against the quick-release protrusion to fix the magnetic probe.
Further, an annular groove is formed in the side wall of the quick-release protrusion, a quick-release opening is formed in the quick-release socket, and a fixing piece perforation is formed in the side wall of the quick-release opening; the quick-release protrusion is inserted into the quick-release opening, and the quick-release fixing piece penetrates through the fixing piece perforation and then is inserted into the annular groove to fix the magnetic probe.
Further, the mounting seat is of a flexible telescopic structure.
Further, the quick-release socket assembly is rotatably connected with the mounting seat, and a torsion spring is arranged on a rotating shaft of the quick-release socket assembly.
Further, the magnetic probe is of a U-shaped structure.
Further, the outlet end of the magnetic suspension spray pipe is in a triangular structure.
The utility model has the beneficial effects that:
1. the magnetic powder flaw detection mechanism provided by the utility model has the advantages that the magnetic suspension spray pipe is arranged on the mounting seat, and the outlet end of the magnetic suspension spray pipe faces the magnetic probe; the magnetic probe is installed on the installation seat through the quick-release socket assembly, the magnetic powder flaw detection mechanism can be installed on the welding line detection robot on the outer wall of the pipeline, and also can be installed on the welding line detection robot on the inner wall of the pipeline, and the magnetic powder flaw detection mechanism is used for carrying out magnetic powder flaw detection on the annular welding line on the wall surface of the pipeline.
2. According to the magnetic particle inspection detection mechanism provided by the utility model, the image acquisition unit is arranged on the mounting seat, the image acquisition end of the image acquisition unit faces the magnetic probe, the image acquisition is carried out on the magnetic particle magnetization condition through the image acquisition unit, the image acquisition unit is connected with the main control system, the image recognition analysis is carried out on the magnetization image through the image analysis function embedded in the main control system, and the manual rapid screening of suspected defect conditions is assisted.
3. According to the magnetic powder inspection detection mechanism provided by the utility model, the magnetic probe is installed on the installation seat through the quick-release socket assembly, so that the magnetic probe can be quickly detached and installed, for example, the installation angle of the magnetic probe is switched, the magnetic probe is obliquely crossed with the trend of a welding line by +45 DEG or-45 DEG, and the magnetic powder inspection process requirements, such as replacement of the damaged magnetic probe, are met.
4. According to the magnetic particle inspection and detection mechanism provided by the utility model, when the magnetic particle inspection and detection mechanism is installed on the pipeline outer wall welding seam detection robot, the installation seat of the flexible telescopic structure has the floating elastic degree of freedom, so that the magnetic probe is ensured to flexibly contact with the detection wall surface, and a proper pressing force is generated, and the magnetic particle inspection and detection mechanism is ensured not to generate hard collision with the bulge on the detection pipeline through the flexible design, so that the detection mechanism is damaged.
5. According to the magnetic powder flaw detection mechanism provided by the utility model, the quick-release socket assembly is rotationally connected with the mounting seat, the torsion spring is arranged on the rotating shaft, when the magnetic powder flaw detection mechanism is arranged on the pipeline inner wall weld joint detection robot, in order to adapt to the inner wall curvature of a workpiece to be detected, the magnetic probe automatically rotates when contacting the inner wall bulge, so that the magnetic probe is self-adaptive to the inner wall angle to realize the lamination, and the magnetic probe returns to a horizontal state in a natural state due to the torsion spring.
Drawings
FIG. 1 is a schematic diagram of a structure of the present utility model;
FIG. 2 is a schematic view of another embodiment of the present utility model;
FIG. 3 is a schematic diagram of the structure of the magnetic probe of the present utility model;
FIG. 4 is a schematic view of the structure of the quick release socket of the present utility model;
FIG. 5 is a schematic view of the present utility model mounted on a pipeline outer wall weld inspection robot;
FIG. 6 is a schematic view of the present utility model mounted on a pipeline inner wall weld inspection robot;
reference numerals:
1. a mounting base; 2. a magnetic suspension nozzle; 3. an image acquisition unit; 4. a magnetic probe; 41. a quick release protrusion; 42. an annular groove; 5. quick-release socket assembly; 51. quick-release sockets; 511. a quick-release port; 512. perforating the fixing piece; 52. and (5) quickly detaching the fixing piece.
Detailed Description
The conception, specific structure, and technical effects produced by the present utility model will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present utility model.
Example 1
The magnetic particle flaw detection mechanism of the pipeline girth weld detection system comprises a mounting seat 1, a magnetic suspension spray pipe 2, an image acquisition unit 3, a magnetic probe 4 and a quick-release socket assembly 5 as shown in figures 1-6.
The magnetic suspension spray pipe 2 is arranged on the mounting seat 1, the outlet end of the magnetic suspension spray pipe faces the magnetic probe 4, and the inlet end of the magnetic suspension spray pipe is connected with a magnetic suspension conveying assembly; the image acquisition unit 3 is arranged on the mounting seat 1, and the image acquisition end of the image acquisition unit faces the magnetic probe 4; the magnetic probe 4 is mounted on the mounting base 1 through a quick-release socket assembly 5.
In the embodiment, the mounting base 1 is used for mounting the magnetic suspension spray pipe 2, the image acquisition unit 3 and the quick-release socket assembly 5; the magnetic suspension spray pipe 2 is used for spraying magnetic suspension to the detection wall surface, and is connected with a magnetic suspension conveying assembly for conveying the magnetic suspension to the magnetic suspension spray pipe 2; the image acquisition unit 3 is used for acquiring and detecting the magnetization condition of the wall magnetic powder, and can be a camera; the magnetic probe 4 is used for generating a magnetic field to perform magnetic powder inspection; the quick release socket assembly 5 is used to quickly remove and install the magnetic probe 4.
In this embodiment, the magnetic probe 4 is mounted on the mounting seat 1 through the quick-release socket assembly 5, and the magnetic particle inspection detection mechanism can be mounted on a welding seam detection robot on the outer wall of the pipeline (as shown in fig. 5) or on a welding seam detection robot on the inner wall of the pipeline (as shown in fig. 6), and performs magnetic particle inspection detection on the annular welding seam on the wall surface of the pipeline through the magnetic particle inspection detection mechanism.
In this embodiment, the image acquisition unit 3 performs image acquisition on the magnetic powder magnetization condition, the image acquisition unit 3 is connected with a main control system, and performs image recognition analysis on the magnetization image through an image analysis function embedded in the main control system, so as to assist in manually and rapidly screening suspected defect conditions.
In this embodiment, the magnetic probe 4 is mounted on the mounting seat through the quick-release socket assembly 5, so that the magnetic probe 4 can be quickly detached and mounted, for example, the mounting angle of the magnetic probe is switched, and the magnetic probe is obliquely crossed with the trend of the welding line by +45° or-45 °, so as to meet the requirements of the magnetic powder inspection process, for example, the damaged magnetic probe 4 is replaced, and the like.
Example 2
The embodiment is further improved on the basis of the embodiment 1, as shown in fig. 1-6, the back of the magnetic probe 4 is provided with a quick-release protrusion 41, and the quick-release socket assembly 5 comprises a quick-release socket 51 and a quick-release fixing piece 52; the quick release protrusion 41 is inserted into the quick release socket 51, the quick release fixing member 52 is inserted into the quick release socket 51 and abuts against the quick release protrusion 41 to fix the magnetic probe 4, and the quick release fixing member 52 may be a conventional fixing member such as a bolt.
An annular groove 42 is formed in the side wall of the quick-release protrusion 41, a quick-release opening 511 is formed in the quick-release socket 51, and a fixing piece through hole 512 is formed in the side wall of the quick-release opening 511; the quick-release protrusion 41 is inserted into the quick-release opening 511, and the quick-release fixing piece 52 is inserted into the annular groove 42 to fix the magnetic probe 4 after passing through the fixing piece through hole 512, so that the installation and the disassembly are convenient.
The mounting base 1 is a flexible telescopic structure, and the flexible telescopic structure can be a conventional flexible telescopic structure, such as a flexible telescopic structure made of elastic materials, for example, a spring and the like. When the magnetic particle inspection detection mechanism is installed on the pipeline outer wall weld joint detection robot, the installation seat 1 of the flexible telescopic structure has floating elastic degree of freedom, the flexible contact between the magnetic probe 4 and the detection wall surface is guaranteed, and the flexible design ensures that the magnetic particle inspection detection mechanism does not generate hard collision with the bulge on the detection pipeline, so that the detection mechanism is damaged.
The quick-release socket assembly 5 is rotatably connected with the mounting seat 1, and a torsion spring is arranged on the rotating shaft of the quick-release socket assembly. When the magnetic powder flaw detection mechanism is installed on the pipeline inner wall weld joint detection robot, the magnetic probe can automatically rotate when contacting the inner wall bulge so as to enable the magnetic probe 4 to be self-adaptive to the inner wall angle for realizing the fitting in order to adapt to the inner wall curvature of a workpiece to be detected, and the magnetic probe can return to a horizontal state in a natural state due to the torsion spring.
The magnetic probe 4 is of a U-shaped structure, and the outlet end of the suspension spray pipe 2 is of a triangle structure.
For a better understanding of the present utility model, the following is a complete description of the principles of the utility model:
the ultrasonic detection mechanism is arranged on a detection robot of the inner wall and the outer wall of the circular weld of the pipeline, and as shown in fig. 5 and 6, the installation seat 1 of the ultrasonic detection mechanism is arranged at the detection end of the detection robot.
When the magnetic probe 4 needs to be disassembled, the quick release fixing piece 52 is taken out from the fixing piece perforation 512, and then the quick release protrusion 41 is taken out from the quick release opening 511, namely, the magnetic probe 4 is taken out from the quick release socket assembly 5. When the magnetic probe 4 needs to be installed, the quick release protrusion 41 of the magnetic probe 4 is inserted into the quick release opening 511, and then the quick release fixing piece 52 is inserted into the annular groove 42 to fix the magnetic probe 4 after passing through the fixing piece through hole 512.
When magnetic powder inspection is performed, magnetic suspension is sprayed from the magnetic suspension spray pipe 2, and the magnetic suspension is sprayed on the annular welding seam of the inspection wall surface. The image acquisition unit 3 performs image acquisition on the magnetic powder magnetization condition, the image acquisition unit 3 is connected with a main control system, and performs image identification analysis on the magnetization image through an image analysis function embedded in the main control system, so as to assist in manually and rapidly screening suspected defect conditions.
When ultrasonic detection mechanism installs on pipeline outer wall welding seam detection robot, as shown in fig. 5, flexible extending structure's mount pad 1 possesses the elasticity degree of freedom that floats, guarantees that magnetic probe 4 and detection wall flexible contact to produce suitable compressive force, guarantee through this flexible design that magnetic particle inspection detection mechanism does not produce hard collision with the arch on the detection pipeline, damage detection mechanism.
When the ultrasonic detection mechanism is installed on the pipeline inner wall weld joint detection robot, as shown in fig. 6, in order to adapt to the inner wall curvature of a workpiece to be detected, when the magnetic probe 4 contacts with the inner wall bulge, the magnetic probe automatically rotates, so that the magnetic probe 4 is self-adaptive to the inner wall angle to realize the fitting, and the magnetic probe 4 can return to a horizontal state in a natural state due to the torsion spring.
While the embodiments of the present utility model have been described in detail, the present utility model is not limited to the embodiments described above, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the present utility model, and these are intended to be included in the scope of the present utility model as defined in the appended claims.
Claims (7)
1. The utility model provides a magnetic particle inspection detection mechanism of pipeline girth weld detecting system which characterized in that: the magnetic suspension device comprises a mounting seat (1), a magnetic suspension spray pipe (2), an image acquisition unit (3), a magnetic probe (4) and a quick-release socket assembly (5);
the magnetic suspension spray pipe (2) is arranged on the mounting seat (1), and the outlet end of the magnetic suspension spray pipe faces the magnetic probe (4); the image acquisition unit (3) is arranged on the mounting seat (1), and the image acquisition end of the image acquisition unit faces the magnetic probe (4); the magnetic probe (4) is mounted on the mounting seat (1) through a quick-release socket assembly (5).
2. A magnetic particle inspection mechanism as claimed in claim 1 wherein: the back of the magnetic probe (4) is provided with a quick-release protrusion (41), and the quick-release socket assembly (5) comprises a quick-release socket (51) and a quick-release fixing piece (52); the quick-release protrusion (41) is inserted into the quick-release socket (51), and the quick-release fixing piece (52) is inserted into the quick-release socket (51) and abuts against the quick-release protrusion (41) to fix the magnetic probe (4).
3. A magnetic particle inspection mechanism as claimed in claim 2, wherein: an annular groove (42) is formed in the side wall of the quick-release protrusion (41), a quick-release opening (511) is formed in the quick-release socket (51), and a fixing piece perforation (512) is formed in the side wall of the quick-release opening (511); the quick-release protrusion (41) is inserted into the quick-release opening (511), and the quick-release fixing piece (52) is inserted into the annular groove (42) to fix the magnetic probe (4) after passing through the fixing piece perforation (512).
4. A magnetic particle inspection mechanism as claimed in claim 1 wherein: the mounting seat (1) is of a flexible telescopic structure.
5. A magnetic particle inspection mechanism as claimed in claim 1 wherein: the quick-release socket assembly (5) is rotationally connected with the mounting seat (1), and a torsion spring is arranged on a rotating shaft of the quick-release socket assembly.
6. A magnetic particle inspection mechanism as claimed in claim 1 wherein: the magnetic probe (4) is of a U-shaped structure.
7. A magnetic particle inspection mechanism as claimed in claim 1 wherein: the outlet end of the magnetic suspension spray pipe (2) is in a triangular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321482228.XU CN220305219U (en) | 2023-06-12 | 2023-06-12 | Magnetic particle flaw detection mechanism of pipeline annular weld detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321482228.XU CN220305219U (en) | 2023-06-12 | 2023-06-12 | Magnetic particle flaw detection mechanism of pipeline annular weld detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220305219U true CN220305219U (en) | 2024-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321482228.XU Active CN220305219U (en) | 2023-06-12 | 2023-06-12 | Magnetic particle flaw detection mechanism of pipeline annular weld detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220305219U (en) |
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2023
- 2023-06-12 CN CN202321482228.XU patent/CN220305219U/en active Active
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