CN113945629A - Method for avoiding eddy current detection blind area of titanium welded pipe - Google Patents
Method for avoiding eddy current detection blind area of titanium welded pipe Download PDFInfo
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- CN113945629A CN113945629A CN202111008538.3A CN202111008538A CN113945629A CN 113945629 A CN113945629 A CN 113945629A CN 202111008538 A CN202111008538 A CN 202111008538A CN 113945629 A CN113945629 A CN 113945629A
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- titanium
- flaw detection
- conveying
- eddy current
- pipe
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 229910052719 titanium Inorganic materials 0.000 title claims abstract description 67
- 239000010936 titanium Substances 0.000 title claims abstract description 67
- 238000001514 detection method Methods 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 238000005070 sampling Methods 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 238000004080 punching Methods 0.000 claims abstract description 4
- 238000012360 testing method Methods 0.000 claims description 14
- 238000012546 transfer Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 abstract description 9
- 239000002699 waste material Substances 0.000 abstract description 6
- 238000005520 cutting process Methods 0.000 abstract 1
- 238000010612 desalination reaction Methods 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004262 dental pulp cavity Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9013—Arrangements for scanning
- G01N27/9026—Arrangements for scanning by moving the material
Abstract
The invention discloses a method for avoiding a titanium welded pipe eddy current detection blind area, which belongs to the technical field of titanium pipe detection and comprises the following steps of S1: checking on-line flaw detection equipment, sampling the titanium pipe of the on-line punching part, introducing sampling data into the on-line flaw detection equipment, and reserving checking data for production tracing; s2: the titanium pipe is placed into a first conveying structure for conveying, and the titanium pipe is conveyed into the online flaw detection equipment for flaw detection; s3: the online flaw detection equipment is connected with a computer, flaw detection information is transmitted into the computer, and meanwhile the titanium pipe is transmitted to the next procedure by the second transmission structure. According to the invention, the surface of the titanium pipe is subjected to online continuous eddy current flaw detection, so that material waste caused by cutting off the length of the head part and the tail part of the existing pipe after detection is avoided.
Description
Technical Field
The invention belongs to the technical field of titanium pipe detection, and particularly relates to a method for avoiding a titanium welded pipe eddy current detection blind area.
Background
The thin-wall titanium pipe for seawater desalination is generally used as a production standard according to ASTM B338 and derived standards thereof, wherein related blind zone removal requirements exist in nondestructive testing requirements.
In the eddy current flaw detection, in order to avoid the situation that the pipe enters and leaves the induction coil to send out an alarm signal, the head and tail signals of the length of a shielding part are generally shielded in equipment, hidden dangers exist in the shielding part, and therefore the pipe is cut off according to the general standard requirements.
During actual inspection, need artifically put into check out test set with a root canal material and detect the detection of detecting a flaw, can't carry out the continuity detection to it, because there is the shielded area at the equipment head and the tail both ends of detecting a flaw, must cut the head and the tail both ends of tubular product after detecting at every turn, and the blind area of a tubular product one end is at 50mm ~ 100mm, during actual production, the excision of this part can cause the material to be a large amount of extravagant, in the project of the research and development of thin wall titanium welded tube for the desalination of sea water, can cause 3% material waste on the material, increase corresponding process in addition and can cause artifical waste and increase the risk that the material was transported and is brought.
Disclosure of Invention
The invention aims to: the method for avoiding the eddy current testing blind area of the titanium welded pipe is provided for solving the problem that the existing titanium pipe cannot carry out continuity testing during flaw detection, so that the two ends of each titanium pipe are cut to cause material waste.
In order to achieve the purpose, the invention adopts the following technical scheme: a method for avoiding a blind area of eddy current testing of a titanium welded pipe comprises the following steps of S1: checking on-line flaw detection equipment, sampling the titanium pipe of the on-line punching part, introducing sampling data into the on-line flaw detection equipment, and reserving checking data for production tracing;
s2: the titanium pipe is placed into a first conveying structure for conveying, and the titanium pipe is conveyed into the online flaw detection equipment for flaw detection;
s3: the online flaw detection equipment is connected with a computer, flaw detection information is transmitted into the computer, and meanwhile the titanium pipe is transmitted to the next procedure by the second transmission structure.
As a further description of the above technical solution:
the first transmission structure in the S2 comprises a supporting body, a motor and first transmission wheels, wherein the motor is connected to the supporting body, a rotating bearing is connected to the motor, the first transmission wheels are connected to the rotating bearing, a first transmission groove is formed between every two first transmission wheels, and the titanium pipe is located in the first transmission groove.
As a further description of the above technical solution:
and a guide head is arranged on the online flaw detection equipment in the S1, and a guide groove is arranged in the guide head.
As a further description of the above technical solution:
the second conveying structure in S3 includes a supporting frame and a plurality of second conveying wheels, the second conveying wheels are rotatably connected to the supporting frame, and a second conveying groove is formed between the plurality of second conveying wheels.
As a further description of the above technical solution:
the support frame is provided with a connecting rod, and the second conveying wheel is rotatably connected to the connecting rod.
As a further description of the above technical solution:
the section of the second conveying wheel is I-shaped.
As a further description of the above technical solution:
and a limiting groove is formed in the second conveying wheel, and the height of the limiting groove is equal to the diameter of the titanium pipe.
As a further description of the above technical solution:
and the online flaw detection equipment in the S1 is an eddy current flaw detector.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
according to the invention, the online flaw detection device, the first conveying structure and the second conveying structure are arranged, the titanium pipe is placed in the first conveying structure, the first conveying wheel rotates under the driving of the motor, so that the titanium pipe is conveyed to the guide head, the titanium pipe enters the guide groove through the guide head, the online flaw detection device detects flaws on the surface of the titanium pipe, information is conveyed to the computer, flaw detection information on the surface of the titanium pipe is recorded, the titanium pipe can be continuously subjected to online flaw detection without intermediate interruption, the detection efficiency is improved, meanwhile, the titanium pipe is prevented from being detected, blind areas appear at the head end and the tail end, the titanium pipe needs to be cut for multiple times, the material is saved, and the waste of resources is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic diagram illustrating an application of a method for avoiding a blind area of eddy current testing of a titanium welded pipe.
Illustration of the drawings:
1-online flaw detection equipment; 2-a titanium tube; 3-a first transfer structure; 31-a support; 32-a motor; 33-a first transfer wheel; 4-a computer; 5-a second transport structure; 51-a support frame; 52-a second transfer wheel; 6-a first transfer tank; 7-a guide head; 8-a guide groove; 9-a connecting rod; 10-a limit groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that the terms "upper", "inner", and the like refer to orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally arranged when the products of the present invention are used, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the present invention provides a technical solution: a method for avoiding a blind area of eddy current testing of a titanium welded pipe comprises the following steps of S1: checking the online flaw detection equipment 1, sampling the titanium pipe 2 of the online punching part, introducing sampling data into the online flaw detection equipment 1, and reserving checking evidence for production tracing;
s2: the titanium pipe 2 is placed into a first conveying structure 3 for conveying, and the titanium pipe 2 is conveyed into the online flaw detection equipment 1 for flaw detection;
s3: the online flaw detection device 1 is connected with a computer 4, flaw detection information is transmitted into the computer 4, and meanwhile, a second transmission structure 5 transmits the titanium pipe 2 to the next process.
The first conveying structure 3 in the step S2 comprises a supporting body 31, a motor 32 and first conveying wheels 33, wherein the motor 32 is connected to the supporting body 31, a rotating bearing is connected to the motor 32, the first conveying wheels 33 are connected to the rotating bearing, a first conveying groove 6 is formed between every two first conveying wheels 33, and the titanium pipe 2 is located in the first conveying groove 6. The first transmission wheel rotates to transmit the titanium pipe.
The online flaw detection device 1 in S1 is provided with a guide head 7, and a guide groove 8 is provided in the guide head 7.
The second transmission structure 5 in S3 includes a supporting frame 51 and a plurality of second transmission wheels 52, the second transmission wheels 52 are rotatably connected to the supporting frame 51, and a plurality of second transmission grooves are formed between the plurality of second transmission wheels 52.
The support frame 51 is provided with a connecting rod 9, and the second transmission wheel 52 is rotatably connected to the connecting rod 9. The second transfer wheel 52 is i-shaped in cross-section. Two second transfer pulleys that arrange oppositely rotate, with the titanium pipe joint in spacing inslot, convey it.
The second transmission wheel 52 is provided with a limiting groove 10, and the height of the limiting groove 10 is equal to the diameter of the titanium tube 2. Ensuring that the titanium pipe is normally conveyed.
The online flaw detection device 1 in S1 is an eddy current flaw detector. The sensitivity of the surface detection of the titanium tube is high, the information about the depth of the crack can be reflected under certain conditions, and the detection can be implemented on occasions where other detection methods such as high temperature, thin-wall tubes, thin lines, inner hole surfaces of parts and the like are not applicable.
The working principle is as follows: according to the invention, the online flaw detection device, the first conveying structure and the second conveying structure are arranged, the titanium pipe is placed in the first conveying structure, the first conveying wheel rotates under the driving of the motor, so that the titanium pipe is conveyed to the guide head, the titanium pipe enters the guide groove through the guide head, the online flaw detection device detects flaws on the surface of the titanium pipe, information is transmitted to the computer, flaw detection information on the surface of the titanium pipe is recorded, the titanium pipe can be continuously subjected to online flaw detection without intermediate interruption, the detection efficiency is improved, meanwhile, the blind areas at the head end and the tail end of the titanium pipe are avoided when the titanium pipe is detected, the titanium pipe needs to be cut for multiple times, the material is saved, and the waste of resources is avoided.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A method for avoiding a blind area of eddy current testing of a titanium welded pipe is characterized by comprising the following steps,
s1: checking the online flaw detection equipment (1), sampling the titanium pipe (2) of the online punching part, introducing sampling data into the online flaw detection equipment (1), and reserving checking data so as to facilitate production tracing;
s2: the titanium pipe (2) is placed into a first conveying structure (3) for conveying, and the titanium pipe (2) is conveyed into the online flaw detection equipment (1) for flaw detection;
s3: the online flaw detection device (1) is connected with a computer (4), flaw detection information is transmitted into the computer (4), and meanwhile the titanium pipe (2) is transmitted to the next procedure by a second transmission structure (5).
2. The method for avoiding the blind area of eddy current testing of titanium welded pipes according to claim 1, wherein the first conveying structure (3) in S2 comprises a supporting body (31), a motor (32) and a first conveying wheel (33), the motor (32) is connected to the supporting body (31), a rotating bearing is connected to the motor (32), the first conveying wheel (33) is connected to the rotating bearing, a first conveying groove (6) is formed between every two first conveying wheels (33), and the titanium pipe (2) is located in the first conveying groove (6).
3. The method for avoiding the blind area of the eddy current testing of the titanium welded pipe according to the claim 1, characterized in that a guiding head (7) is arranged on the online flaw detection equipment (1) in S1, and a guiding groove (8) is arranged in the guiding head (7).
4. The method for avoiding the blind area of eddy current testing of titanium welded pipes as set forth in claim 1, wherein said second conveying structure (5) in S3 comprises a supporting frame (51) and a plurality of second conveying wheels (52), said second conveying wheels (52) being rotatably connected to said supporting frame (51), a plurality of second conveying wheels (52) forming second conveying grooves therebetween.
5. A method for avoiding blind areas in eddy current testing of titanium welded tubes according to claim 4, characterized in that the supporting frame (51) is provided with a connecting rod (9), and the second transfer wheel (52) is rotatably connected to the connecting rod (9).
6. The method for avoiding blind areas of eddy current testing of titanium welded tubes according to claim 5, wherein the second transfer wheel (52) is I-shaped in cross section.
7. The method for avoiding the blind area of the eddy current testing of the titanium welded pipe according to claim 6, wherein the second conveying wheel (52) is provided with a limiting groove (10), and the height of the limiting groove (10) is equal to the diameter of the titanium pipe (2).
8. The method for avoiding the blind area of eddy current testing of the titanium welded pipe according to claim 1, wherein the online flaw detection equipment (1) in S1 is an eddy current flaw detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111008538.3A CN113945629A (en) | 2021-08-30 | 2021-08-30 | Method for avoiding eddy current detection blind area of titanium welded pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111008538.3A CN113945629A (en) | 2021-08-30 | 2021-08-30 | Method for avoiding eddy current detection blind area of titanium welded pipe |
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| CN113945629A true CN113945629A (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111008538.3A Pending CN113945629A (en) | 2021-08-30 | 2021-08-30 | Method for avoiding eddy current detection blind area of titanium welded pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116275668A (en) * | 2023-05-22 | 2023-06-23 | 四川岷河管道建设工程有限公司 | Efficient pipeline welding device convenient to adjust |
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| JPS6144345A (en) * | 1984-08-07 | 1986-03-04 | Nippon Denso Co Ltd | Eddy current flaw detection of welded pipe |
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| CN108802178A (en) * | 2018-04-18 | 2018-11-13 | 中国铁道科学研究院金属及化学研究所 | Steel rail weld joint quality detection apparatus and quality determining method |
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| CN210294167U (en) * | 2019-08-13 | 2020-04-10 | 山东义胜信息科技有限公司 | Stainless steel tubular product eddy current inspection equipment |
| CN211877864U (en) * | 2020-04-07 | 2020-11-06 | 厦门欣中特电子科技有限公司 | Vortex high-speed online pipe detection equipment |
| CN212540257U (en) * | 2020-07-31 | 2021-02-12 | 江苏盛佳精密机械有限公司 | Online flaw detection device for bright silver round steel |
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2021
- 2021-08-30 CN CN202111008538.3A patent/CN113945629A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH07229873A (en) * | 1994-02-16 | 1995-08-29 | Nippon Steel Corp | Eddy current flaw detection device for welded pipe |
| CN202083676U (en) * | 2011-05-27 | 2011-12-21 | 宝山钢铁股份有限公司 | Steel tube ultrasonic wave flaw detection comparison sample and measuring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116275668A (en) * | 2023-05-22 | 2023-06-23 | 四川岷河管道建设工程有限公司 | Efficient pipeline welding device convenient to adjust |
| CN116275668B (en) * | 2023-05-22 | 2023-07-21 | 四川岷河管道建设工程有限公司 | Efficient pipeline welding device convenient to adjust |
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