CN101308117B - Steel tube weld joint automatic flaw detection contrasting guide sample structure - Google Patents
Steel tube weld joint automatic flaw detection contrasting guide sample structure Download PDFInfo
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- CN101308117B CN101308117B CN2007100938144A CN200710093814A CN101308117B CN 101308117 B CN101308117 B CN 101308117B CN 2007100938144 A CN2007100938144 A CN 2007100938144A CN 200710093814 A CN200710093814 A CN 200710093814A CN 101308117 B CN101308117 B CN 101308117B
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Abstract
The invention discloses a comparing standard sample structure for automatic flaw detection of steel pipe welding seams, which is composed of a base seat, scoring tiles and a tile fixing and adjusting mechanism, and the mechanism is used for fixing and adjusting various scoring tiles on the base seat; and the base seat comprises an arc main pipe and a connecting plate, and the two parts enclose a conveyor roller way of comparing standard samples. The fixing and adjusting mechanism is composed of a supporting seat, a fixing wedge, a fastening bolt and a screw; and the upper end of the screw embedded into a chute on the end face of the connecting plate and shifting to and fro butts and holds the inclined plane of the fixing wedge on external arc surfaces of the scoring tiles through the bolt, and internal arc surfaces of the scoring tiles are supported by the supporting seat. The structure uses the tiles to replace whole pipes, and facilitates the storage of comparing standard samples for large batch production and inspection. The structure facilitates the specification replacement of on-site inspection, meanwhile saving on-site pipes and increasing the utilization rate. Therefore, the scoring to inner surfaces is more convenient, and the accuracy of scoring is effectively ensured and the tile structure will not deform under compression after a plurality of calibrations.
Description
Technical field
The invention belongs to steel pipe nondestructive testing technique field, specifically be a kind of steel tube weld joint automatic flaw detection reference block and lay structure.
Background technology
Existing steel pipe seam auto-ultrasonic wave inspection normally adopts the equivalent relative method to detect the size of defective, promptly processing artificial groove earlier on the contrast standard specimen hinders, actual production process is hindered the signal magnitude that produced as benchmark with artificial groove, in defectoscope, debug or be provided with its sensitivity, and then examined product detected a flaw, when finding that nature is hindered in the examined product, produce the signal that this is hindered naturally immediately, defect-detecting equipment compares this signal and reference signal automatically, judges that this defective is whether in acceptability limit.This method is simple, need prepare to contrast standard specimen during still for actual production.The contrast standard specimen needs the specifications parameter consistent with examined product, for steel pipe's production enterprise, the kind specification of steel pipe is various, in actual production process, need to lay in the contrast standard specimen of different size parameter, especially concerning the automatic ultrasonic wave inspection, the contrast standard specimen not only is used for the static sensitivity of adjusting instrument, measurement range etc., also need the dynamic similation actual production to detect, to confirm the reliability of ultrasonic test equipment, simultaneously through needing to use reference block to carry out verification after the ordinary production after a while, confirm whether detected parameters drifts about,, therefore require the contrast standard specimen to need certain-length to guarantee the accuracy of result of detection.Heavy caliber straight-line joint submerged arc welding tube external diameter is bigger, and specification is more, only the specification of enumerating in the standard just has kind more than 100, need in the artificial contrast of weld seam surfaces externally and internally processing defective according to standard-required, the homogeneous tube processing that existing contrast standard specimen adopts, for the processing inconvenience of table defective in the weld seam, existing steel pipe seam automatic ultrasonic wave inspection contrast standard specimen is to use homogeneous tube processing, processes artificial groove and hole at the surfaces externally and internally of steel pipe seam.Owing to heavy caliber straight-line joint submerged arc welding tube external diameter is bigger, specification is more, and the scene of producing the contrast standard specimen of check usefulness in enormous quantities stores very big difficulty, and the processing of contrasting artificial groove wound also for interior table is simultaneously made troubles.Be the homogeneous tube processing synoptic diagram of prior art as shown in Figure 1, be processed with defectives such as through hole 82 and the horizontal cutting 831 of appearance, the horizontal cutting 832 of interior table, appearance cutting 841, interior table cutting 842 at weld seam 81 places of homogeneous tube 8, processing has inconvenience more.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of steel tube weld joint automatic flaw detection contrast guide sample structure (member) that field management is deposited, carried out the processing criterion defective easily and be convenient to change the different size model of being convenient to, and this contrast standard specimen is suitable for on-line automatic ultrasonic test equipment is carried out static state and dynamic calibration.Its technical matters to be solved can be achieved by the following technical programs.
A kind of steel tube weld joint automatic flaw detection contrast guide sample structure, this structure by pedestal, hinder tile quarter and tile secured adjusted mechanism constitutes, described tile secured adjusted mechanism is used for fixing and regulates the quarter that is selected from different size that is seated on the pedestal and hinders tile.
Further improvement as this technical scheme, described pedestal comprises that the female pipe of a circular arc and is as carving the web joint of hindering the tile loading end, described web joint is positioned at female pipe upper end and manages circular arc two ends string with mother and connects, and the female pipe of web joint and circular arc enclosed space forms the conveyor roller of a contrast standard specimen.
Described tile secured adjusted mechanism is by supporting seat, fixedly wedge, fastening bolt and standing screw are formed; Inlay card is in web joint end face chute and can move towards the standing screw of displacement back and forth along chute, and its upper end fixedly supports the extrados of hindering tile at quarter in the inclined-plane of wedge by fastening bolt, carves the intrados of hindering tile and is supported by supporting seat.The two ends of hindering tile quarter are respectively equipped with such secured adjusted mechanism and come jointly stabilizing to hinder tile selected quarter with supporting.
Adopt the steel tube weld joint automatic flaw detection contrast guide sample structure of this technical scheme mainly to have following beneficial effect and advantage with respect to prior art:
1, use the tile type structure to replace the homogeneous tube structure, the depositing of contrast standard specimen that large batch of production testing is used offers convenience.
2, changeless pedestal makes things convenient for the replacing of field test specification, and the while is the field pipes material of saving also, has increased the utilization factor of field pipes material.
3, adopted the form of hindering tile pedestal+quarter, it is convenient that the tile type structure is hindered Nei Biaoke, effectively guaranteed to carve the accuracy of hindering, and directly guarantees the accuracy of result of detection.
4, used tile secured adjusted system, guaranteed that tile structure can be through compressive deformation after the calibration repeatedly.
5, single fixed pedestal, changing specification only needs to change to carve and hinders tile, greatly reduces the hoisting sling requirement, and handling weight is reduced to former 1/6-2/5.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present invention being done one describes in detail.
Fig. 1 is a prior art homogeneous tube processing synoptic diagram;
Fig. 2 is a structural representation of the present invention.
Among the figure: 1, hinder tile 2, supporting seat 3, fastening bolt 4, fixedly wedge 5, standing screw 6, web joint 61, chute 7, female pipe 8, homogeneous tube 81, weld seam 82, through hole 831, the horizontal cutting 832 of appearance, the horizontal cutting 841 of interior table, appearance cutting 842, interior table cutting quarter
Embodiment
Be illustrated in figure 2 as the structural representation of a kind of novel steel pipe seam automatic ultrasonic wave inspection contrast guide sample structure of the present invention, this standard specimen is by single pedestal, a plurality of quarter hindering tile 1 and secured adjusted system three parts are formed.Base part mainly is made up of female pipe 7 of a large-diameter circular arc and top web joint 6, and main responsible carrying is carved to hinder tile and be convenient to contrast standard specimen and transported by roller-way.The secured adjusted system is by supporting seat 2, fastening bolt 3, fixedly wedge 4, standing screw 5 etc. are formed.
Use the operation steps of this contrast standard specimen as follows: at first, steel pipe specification to be detected according to current actual needs production, choose and hinder tile 1 satisfactory quarter, make simultaneously and carve the bosom that the weld seam of hindering tile 1 is in whole pedestal, adjust the secured adjusted system of hindering tile 1 both sides of carving simultaneously, move standing screw 5 by chute 61, utilize that fixedly skewback (wedge) 4 and fastening bolt 3 are realized to hindering fixing of tile 1 quarter to be detected, by standing screw 5, fixing skewback (wedge) 4, fastening bolt 3 and supporting seat 2 guarantee to hinder quarter to be detected tile 1 and can and not be out of shape because of flaw detection calibration pressurized repeatedly.
Steel tube weld joint automatic flaw detection contrast guide sample structure of the present invention substitutes homogeneous tube with tile type, have under the prerequisite of identical dimensions with actual production pipe material at the contrast standard specimen, because adopting the tile type structure processes, the processing criterion defective is also carried out easily, one-piece construction also becomes succinct and light and handy, brings very big facility for the scene storage of contrast standard specimen.And it is better, directly perceived that the tile type structure makes Nei Biaoke hinder effect, effectively guaranteed to carve the accuracy of hindering.Its changeless pedestal makes when producing the pipe material of different size, only needs to change the tile on the pedestal, and the pipe of each specification has corresponding tile, and the contrast standard specimen of different size only needs to change different tiles, and adjusts fastening bolt and fix.The use of tile stationary installation guaranteed tile structure not can through repeatedly the calibration after compressive deformation.
This contrast standard specimen modern design, easy to use is used for steel pipe seam auto-ultrasonic defect-detecting equipment is carried out static state and dynamic debugging, before having replaced with homogeneous tube standard specimen as a comparison.Be used in processing contrast defective replacement homogeneous tube processing on the tile fragment, make the processing of interior table defective change surface imperfection into and process, it is convenient more that the contrast defective is processed, and realizes the sensitivity of instrument, the adjustment and the comparison defect size of measurement range; Use can adopt the form of side placement to be used for on-the-spot the storage after carving and hindering tile, has solved original technology in a difficult problem that contrasts in the standard specimen storage, the production in enormous quantities check scene storage problem that contrasts standard specimen when having satisfied ordinary production; Again because use single pedestal+the hinder quarter structure of tile, thereby reduced the consumption of steel effectively, it is easier that specification is changed, on-the-spot handling is safer, can satisfy any longitudinal welded pipe specification and use, and will not be subjected to specification limits, can with hinder tile the quarter of any steel pipe specification and form the contrast standard specimen, especially UOE, and can guarantee to carve hinder tile can be owing to correcting device compressive deformation repeatedly, its application prospect is extensive.
Claims (3)
1. a steel tube weld joint automatic flaw detection contrasts the standard specimen member, it is characterized in that: this member constitutes by pedestal, quarter hindering tile and hinder tile secured adjusted mechanism quarter, hinder tile described quarter and be a kind of tile contrast with hindering standard specimen quarter, hinder tile secured adjusted mechanism described quarter and be used for fixing and regulate the quarter that is selected from different size that is seated on the pedestal and hinder tile.
2. steel tube weld joint automatic flaw detection contrast standard specimen member according to claim 1, it is characterized in that: described pedestal comprises that the female pipe of a circular arc and is as carving the web joint of hindering the tile loading end, described web joint is positioned at female pipe upper end and manages circular arc two ends string with mother and connects, and the female pipe of web joint and circular arc enclosed space is used to contrast the transportation of standard specimen.
3. steel tube weld joint automatic flaw detection according to claim 2 contrast standard specimen member is characterized in that: hinder tile secured adjusted mechanism described quarter by supporting seat, fixedly wedge, fastening bolt and standing screw are formed; Inlay card is in web joint end face chute and can move towards the standing screw of displacement back and forth along chute, and its upper end fixedly supports the extrados of hindering tile at quarter in the inclined-plane of wedge by fastening bolt, carves the intrados of hindering tile and is supported by supporting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100938144A CN101308117B (en) | 2007-05-18 | 2007-05-18 | Steel tube weld joint automatic flaw detection contrasting guide sample structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100938144A CN101308117B (en) | 2007-05-18 | 2007-05-18 | Steel tube weld joint automatic flaw detection contrasting guide sample structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101308117A CN101308117A (en) | 2008-11-19 |
| CN101308117B true CN101308117B (en) | 2010-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007100938144A Expired - Fee Related CN101308117B (en) | 2007-05-18 | 2007-05-18 | Steel tube weld joint automatic flaw detection contrasting guide sample structure |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106908522B (en) * | 2017-02-16 | 2021-05-07 | 泰安市特种设备检验研究院 | Ultrasonic guided wave detection calibration sample pipe for axial width of pipeline defect and calibration method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1177741A (en) * | 1997-08-13 | 1998-04-01 | 辽河石油勘探局机械修造集团公司 | Ultrasonic flaw-detection method for heat-insulation oil-pipe annular slot |
| CN2281536Y (en) * | 1996-09-02 | 1998-05-13 | 山东济宁模具厂 | Contrast sample for supersonic inspection at blind zone |
| CN2341147Y (en) * | 1997-11-17 | 1999-09-29 | 北京电力科学研究院 | Sample for ultrasonic flaw detection for welded small diameter pipes |
| JP2007057414A (en) * | 2005-08-25 | 2007-03-08 | Sumitomo Metal Ind Ltd | Test piece for sensitivity calibration of ultrasonic testing, and its manufacturing method |
-
2007
- 2007-05-18 CN CN2007100938144A patent/CN101308117B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2281536Y (en) * | 1996-09-02 | 1998-05-13 | 山东济宁模具厂 | Contrast sample for supersonic inspection at blind zone |
| CN1177741A (en) * | 1997-08-13 | 1998-04-01 | 辽河石油勘探局机械修造集团公司 | Ultrasonic flaw-detection method for heat-insulation oil-pipe annular slot |
| CN2341147Y (en) * | 1997-11-17 | 1999-09-29 | 北京电力科学研究院 | Sample for ultrasonic flaw detection for welded small diameter pipes |
| JP2007057414A (en) * | 2005-08-25 | 2007-03-08 | Sumitomo Metal Ind Ltd | Test piece for sensitivity calibration of ultrasonic testing, and its manufacturing method |
Non-Patent Citations (6)
| Title |
|---|
| 中华人民共和国机械行业标准 无损检测 超声检测用试块 JB/T 8428-2006.中华人民共和国国家发展和改革委员会,2006,1-14. |
| 中华人民共和国机械行业标准 无损检测 超声检测用试块 JB/T 8428-2006.中华人民共和国国家发展和改革委员会,2006,1-14. * |
| 关卫和等.工业承压管道环焊缝超声波检测技术研究.压力容器 5.1999,(5),60-66,54. |
| 关卫和等.工业承压管道环焊缝超声波检测技术研究.压力容器 5.1999,(5),60-66,54. * |
| 郑华.超声波标样管的制作方法.无损检测29 9.2007,29(9),551,553. |
| 郑华.超声波标样管的制作方法.无损检测29 9.2007,29(9),551,553. * |
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| CN101308117A (en) | 2008-11-19 |
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