CN204719007U - The test block of steel tube tower thin walled tube weld seam detection Defect Comparison - Google Patents
The test block of steel tube tower thin walled tube weld seam detection Defect Comparison Download PDFInfo
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- CN204719007U CN204719007U CN201520364172.7U CN201520364172U CN204719007U CN 204719007 U CN204719007 U CN 204719007U CN 201520364172 U CN201520364172 U CN 201520364172U CN 204719007 U CN204719007 U CN 204719007U
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Abstract
The utility model is a kind of Defect Comparison test block for detecting Steel Tube Special tower thin walled tube butt girth welding seam, it comprises flange side, steel pipe side and to flange side and steel pipe side carry out weld formed butt-weld, in butt-weld, along butt-weld circumference impartial actual defects is set, actual defects comprises the center that is arranged on butt-weld and perpendicular to crackle in the weld seam of surface of the work, lack of inter-run fusion, also comprise the groove crackle that the groove direction along butt-weld is arranged respectively in steel pipe side and flange side, groove incomplete fusion, also comprise the pore be arranged in butt-weld simultaneously, defect thickness direction position is all at Weld pipe mill.The utility model comprises the actual defects in the thin walled tube butt-weld of different tube diameters and wall thickness, detects practical operation exercise, improve testing staff's efficiency, guarantee that steel tube tower thin walled tube welding line ultrasonic testing result is more accurate for thin walled tube ultrasonic creeping wave.
Description
Technical field
The utility model relates to field of non destructive testing, is specifically related to the reference block in Non-Destructive Testing, particularly relates to a kind of for the test block of steel tube tower thin walled tube weld seam detection Defect Comparison.
Background technology
Extra-high voltage steel tube tower thin walled tube butt girth welding seam is by steel pipe and is with neck plane face flange by being welded, in welding process, because longitudinal welded pipe ovality, linearity and weldment group are on, the factor such as welding condition, welder technology level impact, easily crack in weld seam, incomplete fusion, lack of penetration, the defect such as pore and slag inclusion, and butt-weld subjects the stress same with structured steel pipe, because of but the weak link of total, weld bond quality supervision is related to the safe operation of total.Adopt ultrasonic creeping wave method to detect, effectively can supervise the welding quality of steel tube tower butt-weld.Due to the impact of defective coupling and face of weld reinforcement, use traditional ripple of climbing to detect reference block, i.e. SG-I test block, do not realize the accurate location and quantitatively of defect completely.
Utility model content
The purpose of this utility model is to provide a kind of Defect Comparison test block for the butt-weld of Ultrasonic Detection steel tube tower thin walled tube, student can be made to carry out the actual exercise operation of thin walled tube ultrasonic creeping wave detection, thus improve testing staff efficiency, make result more precisely, to pass judgment on shortcoming character convenient.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
The test block of steel tube tower thin walled tube weld seam detection Defect Comparison, comprise flange side, steel pipe side and to flange side and steel pipe side carry out weld formed butt-weld, in butt-weld, along butt-weld circumference impartial actual defects is set, described actual defects comprises the center that is arranged on butt-weld and perpendicular to crackle in the weld seam of surface of the work, lack of inter-run fusion, also comprise the groove crackle that the groove direction along butt-weld is arranged respectively in steel pipe side and flange side, groove incomplete fusion, also comprise the pore be arranged in butt-weld simultaneously, described defect thickness direction position is all at Weld pipe mill.
Described defect angle is 0 ° or 25 ° or 30 °.
Height × the length of described groove crack defect is (2.5 × 10) mm; Height × the length of described groove incomplete fusion defect is (2.5 × 8) mm; Lack of inter-run fusion flaw height × length is (2.5 × 10) mm; Described gas hole defect is of a size of.
The non-detection faces of described reference block is carved with the data of reference block, title, figure number and scale mark, and the degree of depth of engraving is not more than 0.1mm.
The utility model comprises the actual defects in the thin walled tube butt-weld of different tube diameters and wall thickness, practical operation exercise is detected for thin walled tube ultrasonic creeping wave, testing staff's efficiency can be improved, guarantee that testing result is more accurate, improve quantitative, the location to defect, qualitative, effectively supervise the welding quality of steel tube tower butt-weld.
Accompanying drawing explanation
Fig. 1 is test block schematic diagram of the present utility model.
Fig. 2 is that butt-weld of the present utility model launches schematic diagram.
Fig. 3 is Ultrasonic Detection schematic diagram of the present utility model.
Fig. 4 is that gas hole defect of the present utility model detects oscillogram.
Embodiment
Below in conjunction with accompanying drawing 1 ~ 4 and embodiment, the utility model is described in further detail.
As shown in Figure 1, the utility model provides the test block of a kind of steel tube tower thin walled tube weld seam detection Defect Comparison, comprise flange side 11, steel pipe side 12 and to flange side 11 and steel pipe side 12 carry out weld formed butt-weld 13, in butt-weld 13, along butt-weld circumference relevant position equalization actual defects is set, defect thickness direction position is all at Weld pipe mill, phase position refer to butt-weld center and perpendicular to surface of the work, the groove direction of butt-weld, butt-weld, above-mentioned actual defects comprises the center that is arranged on butt-weld and perpendicular to crackle in the weld seam of surface of the work, lack of inter-run fusion, also comprise the groove crackle that the groove direction along butt-weld is arranged respectively in steel pipe side and flange side, groove incomplete fusion, also comprise the pore be arranged in butt-weld simultaneously.
As shown in Figure 1, Figure 2, Figure 3 shows, be the schematic diagram of a kind of embodiment of the present utility model.Wherein Fig. 3 is the Ultrasonic Detection schematic diagram of the present embodiment, and in the domatic schematic diagram of Fig. 3 reference block, probe 5 is arranged on steel pipe side, the mobile scanning of the circumference along butt-weld.In above-mentioned Fig. 3, in butt-weld, pore 1 is set, the groove direction of steel pipe side is provided with groove crackle 2, groove incomplete fusion 3, between flange side and weld seam, arranges lack of penetration 4.In the present embodiment, the number of pore is set to 5, be of a size of × 5, and the height × length of groove crack defect is (2.5 × 10) mm; Sunken height × length that groove incomplete fusion lacks is (2.5 × 8) mm; Lack of inter-run fusion flaw height × length is (2.5 × 10) mm.Defect angle, according to different-diameter, different wall thin walled tube and defect property, is divided into 0 °, 25 ° and 30 °.Test block sharp processing face tolerance grade not noted is 0.1mm.Test block each squareness tolerance is 0.1mm.
Fig. 4 is the typical waveform figure carrying out climbing ripple ultrasound examination gas hole defect in the utility model, and Site Detection can be facilitated to contrast.
In reference block of the present utility model, its non-detection faces is carved with the data of reference block, title, figure number and scale mark, and the degree of depth of engraving is not more than 0.1mm.Well-knownly can see the parameter of test block clearly and the performance of test block can not be destroyed.
In actual manufacture, for the manufacture of the material of reference block in kind, the natural flaw that the impact that do not have detects.And should be identical or close with corresponding examined workpiece or material for the manufacture of the acoustic velocity value of the material of reference block in kind, both deviations allow for 1%.
The utility model to be detected a flaw requirement according to scene, the test block of design steel tube tower thin walled tube weld seam detection Defect Comparison, utilize the waveform character grasping various defect when true weld defects makes student practise in thin walled tube, in real work to defect location, quantitatively and qualitative provide foundation, also climb ripple examination criteria for drafting steel tube tower thin walled tube weld seam technical support be provided simultaneously.And for different weld defects ultrasonic testing results contrast, realize the qualitative analysis to Site Detection defect, improve detection efficiency simultaneously, ensure detection speed.
Claims (4)
1. steel tube tower thin walled tube weld seam detection Defect Comparison test block, it is characterized in that: comprise flange side, steel pipe side and to flange side and steel pipe side carry out weld formed butt-weld, in butt-weld, along butt-weld circumference impartial actual defects is set, described actual defects comprises the center that is arranged on butt-weld and perpendicular to crackle in the weld seam of surface of the work, lack of inter-run fusion, also comprise the groove crackle that the groove direction along butt-weld is arranged respectively in steel pipe side and flange side, groove incomplete fusion, also comprise the pore be arranged in butt-weld simultaneously, described defect thickness direction position is all at Weld pipe mill.
2. steel tube tower thin walled tube weld seam detection Defect Comparison according to claim 1 test block, is characterized in that: described defect angle is 0 ° or 25 ° or 30 °.
3. steel tube tower thin walled tube weld seam detection Defect Comparison according to claim 1 test block, is characterized in that: the height × length of described groove crack defect is (2.5 × 10) mm; Height × the length of described groove incomplete fusion defect is (2.5 × 8) mm; Lack of inter-run fusion flaw height × length is (2.5 × 10) mm; Described gas hole defect is of a size of.
4. steel tube tower thin walled tube weld seam detection Defect Comparison according to claim 1 test block, is characterized in that: the non-detection faces of described reference block is carved with the data of reference block, title, figure number and scale mark, and the degree of depth of engraving is not more than 0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520364172.7U CN204719007U (en) | 2015-06-01 | 2015-06-01 | The test block of steel tube tower thin walled tube weld seam detection Defect Comparison |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520364172.7U CN204719007U (en) | 2015-06-01 | 2015-06-01 | The test block of steel tube tower thin walled tube weld seam detection Defect Comparison |
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| Publication Number | Publication Date |
|---|---|
| CN204719007U true CN204719007U (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520364172.7U Expired - Fee Related CN204719007U (en) | 2015-06-01 | 2015-06-01 | The test block of steel tube tower thin walled tube weld seam detection Defect Comparison |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018567A (en) * | 2016-06-28 | 2016-10-12 | 国家电网公司 | Reference block group for ultrasonically detecting brazing-type copper-aluminum transitional equipment clamp |
| CN106956058A (en) * | 2017-05-05 | 2017-07-18 | 抚顺中油检测工程有限公司 | A kind of preparation method with human weld's gas hole defect test plate (panel) |
| CN108941965A (en) * | 2018-09-14 | 2018-12-07 | 中核核电运行管理有限公司 | Heavy water reactor spentnuclear fuel basket welds newel butt joint and welds 1#-2 comparison test block |
| CN112129839A (en) * | 2020-08-05 | 2020-12-25 | 中石化宁波工程有限公司 | Butt weld joint detection process for transition section of coke tower |
| CN112213385A (en) * | 2019-07-11 | 2021-01-12 | 中国科学院金属研究所 | Ultrasonic creeping wave detection method for butt weld of thin-wall section |
| CN113740440A (en) * | 2021-09-08 | 2021-12-03 | 中国航发沈阳黎明航空发动机有限责任公司 | Manual injury comparison test block for ultrasonic detection of air conduit electron beam weld joint |
-
2015
- 2015-06-01 CN CN201520364172.7U patent/CN204719007U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018567A (en) * | 2016-06-28 | 2016-10-12 | 国家电网公司 | Reference block group for ultrasonically detecting brazing-type copper-aluminum transitional equipment clamp |
| CN106956058A (en) * | 2017-05-05 | 2017-07-18 | 抚顺中油检测工程有限公司 | A kind of preparation method with human weld's gas hole defect test plate (panel) |
| CN108941965A (en) * | 2018-09-14 | 2018-12-07 | 中核核电运行管理有限公司 | Heavy water reactor spentnuclear fuel basket welds newel butt joint and welds 1#-2 comparison test block |
| CN112213385A (en) * | 2019-07-11 | 2021-01-12 | 中国科学院金属研究所 | Ultrasonic creeping wave detection method for butt weld of thin-wall section |
| CN112129839A (en) * | 2020-08-05 | 2020-12-25 | 中石化宁波工程有限公司 | Butt weld joint detection process for transition section of coke tower |
| CN112129839B (en) * | 2020-08-05 | 2024-03-22 | 中石化宁波工程有限公司 | Butt welding seam detection process for transition section of coke tower |
| CN113740440A (en) * | 2021-09-08 | 2021-12-03 | 中国航发沈阳黎明航空发动机有限责任公司 | Manual injury comparison test block for ultrasonic detection of air conduit electron beam weld joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151021 |