CN206557165U - It is a kind of to be used for the Special test block of not butt welds ultrasound detection calibration - Google Patents
It is a kind of to be used for the Special test block of not butt welds ultrasound detection calibration Download PDFInfo
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- CN206557165U CN206557165U CN201720239025.6U CN201720239025U CN206557165U CN 206557165 U CN206557165 U CN 206557165U CN 201720239025 U CN201720239025 U CN 201720239025U CN 206557165 U CN206557165 U CN 206557165U
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Abstract
The utility model is related to a kind of Special test block for the calibration of not butt welds ultrasound detection, belongs to testing calibration equipment technical field.Technical scheme is：Steel plate (1) and sheet metal (3) arranged, bottom surface are concordant, and steel plate removes what one jiao of side was in contact with the side of sheet metal, and is fixed together by welding, and steel plate and sheet metal are monolithically fabricated stepped；Weld one welds with different thickness (2) of formation between steel plate and sheet metal, the section of the welds with different thickness is in sector；A round flat-bottom hole is respectively provided with the steel plate and sheet metal being respectively provided with the two sides of welds with different thickness by an axial circular flat-bottom hole, welds with different thickness.The beneficial effects of the utility model are：TOFD testing calibration demands are disclosure satisfy that, detection accuracy and recall rate is improved.
Description
Technical field
The utility model is related to a kind of Special test block for the calibration of not butt welds ultrasound detection, especially docks
Weld seam belongs to testing calibration equipment technical field using the test block that TOFD is the calibration of diffraction time difference method ultrasound detection.
Background technology
TOFD is diffraction time difference method ultrasound detection, is progressively promoted in boiler, pressure vessel and steel construction industry, for inspection
The steel plate butt weld such as survey, formed the sensitivity adjustment reference block of more specification, and cut mother metal thickness is unequal
Still without typical reference block in the processing butt weld of side, it is impossible to scanning face blind area, bottom surface blind area in TOFD characterization processes
And the parameter setting such as acoustic beam scanning scope carries out comprehensive verification, the accuracy of detection can not ensure that loss is higher.
Utility model content
The utility model purpose is to provide a kind of Special test block for the calibration of not butt welds ultrasound detection, can
The checking that butt weld TOFD unequal to mother metal thickness is diffraction time difference method ultrasound detection technological parameter is completed, background skill is solved
Problem present in art.
The technical solution of the utility model is：
A kind of Special test block for the calibration of not butt welds ultrasound detection, it is described comprising steel plate and sheet metal
Steel plate and sheet metal are cuboid, thickness difference each other, more than the 30% of steel plate thickness；One side of steel plate
While removing one jiao in thickness direction, inclined-plane is formed, steel plate global sections are pentagon；Steel plate and sheet metal arranged,
Bottom surface is concordant, and steel plate removes what one jiao of side was in contact with the side of sheet metal, and is fixed together by welding, thick steel
Plate and sheet metal are monolithically fabricated stepped；Between steel plate and sheet metal weld formation one welds with different thickness, it is described not
The section of uniform thickness weld seam is in sector；The thick steel by an axial hole, welds with different thickness is respectively provided with the two sides of welds with different thickness
A hole is respectively provided with plate and sheet metal.
The center line on the welds with different thickness surface is provided with a rectangular channel and a V-groove.
The steel plate removes one jiao of maximum gauge, is 1/3rd of steel plate integral thickness.
Axial circular flat-bottom hole on the two sides of the welds with different thickness, is circular hole one and circular hole three respectively, and circular hole one is leaned on
The fan-shaped circular arc of nearly welds with different thickness, circular hole three is close to the fan-shaped center of circle of welds with different thickness.
Circle flat-bottom hole on steel plate and sheet metal by the welds with different thickness, is the circular hole being located on steel plate respectively
Two and the circular hole four on sheet metal；Circular hole two is located on the edge line of steel plate welding heat affected zone, and circular hole four is located at thin steel
On the edge line of plate weld heat affected area.
Circular hole two, circular hole four, rectangular channel and V-groove are mainly used in calibrating check frequency, and circular hole one and circular hole three are mainly used
It is whether appropriate in calibration acoustic beam coverage and bias.
Using the utility model, in detection process, indulged using TOFD detecting instruments along the welds with different thickness in Special test block
It is aobvious to circular hole one, circular hole two, circular hole three, circular hole four, rectangular channel and the V-groove implemented in scanning, observation collection of illustrative plates on commitment positions
The type and quantity shown, TOFD characterization processes parameters are calibrated with this.
The beneficial effects of the utility model are：TOFD i.e. diffraction time difference method ultrasound detection calibration requirements are disclosure satisfy that, are completed
The unequal chamfered edge processing butt weld TOFD detections of mother metal thickness, drastically increase accuracy and the detection of TOFD detections
Rate.
Brief description of the drawings
Fig. 1 is the utility model stereogram；
Fig. 2 is the utility model front view；
Fig. 3 is the utility model A direction views；
Fig. 4 is the utility model B direction views；
Fig. 5 is the utility model C-C sectional views；
In figure：Steel plate 1, welds with different thickness 2, sheet metal 3, circular hole 1, circular hole 25, rectangular channel 6, V-groove 7, circular hole
38, circular hole 49, steel plate welding heat affected zone edge line 10, sheet metal welding heat affected zone edge line 11, inclined-plane 12.
Embodiment
Below in conjunction with accompanying drawing, by example, the utility model is described in further detail.
1-5, a kind of to be used for the Special test block of not butt welds ultrasound detection calibration referring to the drawings, includes steel plate 1
With sheet metal 2, the steel plate and sheet metal are cuboid, thickness difference each other, more than the 30% of steel plate thickness；
One side of steel plate removes one jiao in thickness direction, forms inclined-plane 12, and steel plate global sections are pentagon；Steel plate and
Sheet metal arranged, bottom surface is concordant, and steel plate removes what one jiao of side was in contact with the side of sheet metal, and passes through welding
It is fixed together, steel plate and sheet metal are monolithically fabricated stepped；Weld formation one between steel plate and sheet metal is not
Uniform thickness weld seam 2, the section of the welds with different thickness is in sector；An axial hole is respectively provided with the two sides of welds with different thickness, no
A hole is respectively provided with steel plate and sheet metal by uniform thickness weld seam.
The center line on the welds with different thickness surface is provided with a rectangular channel 6 and a V-groove 7.
The steel plate removes one jiao of maximum gauge, is 1/3rd of steel plate integral thickness
Axial circular flat-bottom hole on the two sides of the welds with different thickness, is circular hole 1 and circular hole 38, circular hole 1 respectively
Close to the fan-shaped circular arc of welds with different thickness 2, circular hole 38 is close to the fan-shaped center of circle of welds with different thickness 2.
Circle flat-bottom hole on steel plate and sheet metal by the welds with different thickness, is the circular hole being located on steel plate respectively
25 and the circular hole 49 on sheet metal；Circular hole 25 is located on steel plate welding heat affected zone edge line 10, circular hole 49
In on sheet metal welding heat affected zone edge line 11.
In the present embodiment, referring to the drawings 1, the thickness difference of steel plate 1 and sheet metal 3 is more than 5mm, steel plate 1 and Bao Gang
Plate 3 is fixed together by welding, and is monolithically fabricated stepped, and steel plate 1 has carried out 4 close to that side of sheet metal 3:1 chamfered edge
Processing, so as to form banjo fixing butt jointing with sheet metal 3, during welding, steel plate 1 and sheet metal 3 are according to welding process requirement, thing
First process groove.Weld formation welds with different thickness 2 between steel plate 1 and sheet metal 3, the section of welds with different thickness 2 is in
It is fan-shaped.
Referring to the drawings 2,3,2 × 60mm of Φ circular hole 49, circular hole four are bored on sheet metal welding heat affected zone edge line 11
9 centre distance upper surface 4mm.2 × 60mm of Φ circular hole 38 is bored in the thickness face center of welds with different thickness 2.
Referring to the drawings 2,4,2 × 60mm of Φ circular hole 25, circular hole two are bored on steel plate welding heat affected zone edge line 10
5 centre distance upper surface 4mm.Away from upper surface 4mm positions bore Φ 2 × 60mm's in the thickness face center line of welds with different thickness 2
Circular hole 1.
Referring to the drawings 2,5, a rectangular channel 6 is processed on the flush side weld width position of center line of welds with different thickness 2
With a V-groove 7.The wherein depth of rectangular channel 6 1mm, width 1mm, long 20mm, the depth of V-groove 7 4mm, width 1mm, long 40mm, separation is not
Less than 5mm.
In detection process, scanning, observation are implemented along the longitudinal direction of welds with different thickness 2 in Special test block using TOFD detecting instruments
The species sum that the circular hole 1 of commitment positions, circular hole 25, circular hole 38, circular hole 49, rectangular channel and V-groove are shown in collection of illustrative plates
Amount, TOFD characterization processes parameters are calibrated with this.
Claims (4)
1. a kind of be used for the Special test block of not butt welds ultrasound detection calibration, it is characterised in that：Include steel plate（1）With
Sheet metal (3), the steel plate and sheet metal are cuboid, thickness difference each other, more than the 30% of steel plate thickness；
One side of steel plate removes one jiao in thickness direction, is formed inclined-plane (12), and steel plate global sections are pentagon；Steel plate
With sheet metal arranged, concordantly, steel plate removes what one jiao of side was in contact with the side of sheet metal for bottom surface, and passes through weldering
Connect and be fixed together, steel plate and sheet metal are monolithically fabricated stepped；Weld formation one between steel plate and sheet metal
Welds with different thickness (2), the section of the welds with different thickness is in sector；An axial circular is respectively provided with the two sides of welds with different thickness
A round flat-bottom hole is respectively provided with steel plate and sheet metal by flat-bottom hole, welds with different thickness.
2. a kind of Special test block for the calibration of not butt welds ultrasound detection according to claim 1, its feature
It is：The center line on the welds with different thickness surface is provided with a rectangular channel (6) and a V-groove (7).
3. a kind of Special test block for the calibration of not butt welds ultrasound detection according to claim 1 or 2, it is special
Levy and be：Axial circular flat-bottom hole on the two sides of the welds with different thickness, is circular hole one (4) and circular hole three (8), circular hole respectively
One (4) are close to the fan-shaped circular arc of welds with different thickness (2), and circular hole three (8) is close to the fan-shaped center of circle of welds with different thickness (2).
4. a kind of Special test block for the calibration of not butt welds ultrasound detection according to claim 1 or 2, it is special
Levy and be：Circle flat-bottom hole on steel plate and sheet metal by the welds with different thickness, is the circular hole being located on steel plate respectively
Two (5) and the circular hole four (9) on sheet metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720239025.6U CN206557165U (en) | 2017-03-13 | 2017-03-13 | It is a kind of to be used for the Special test block of not butt welds ultrasound detection calibration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720239025.6U CN206557165U (en) | 2017-03-13 | 2017-03-13 | It is a kind of to be used for the Special test block of not butt welds ultrasound detection calibration |
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| Publication Number | Publication Date |
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| CN206557165U true CN206557165U (en) | 2017-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720239025.6U Active CN206557165U (en) | 2017-03-13 | 2017-03-13 | It is a kind of to be used for the Special test block of not butt welds ultrasound detection calibration |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113376260A (en) * | 2021-08-06 | 2021-09-10 | 上海电气核电集团有限公司 | Welding seam simulation test block and ultrasonic detection process feasibility verification method |
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2017
- 2017-03-13 CN CN201720239025.6U patent/CN206557165U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113376260A (en) * | 2021-08-06 | 2021-09-10 | 上海电气核电集团有限公司 | Welding seam simulation test block and ultrasonic detection process feasibility verification method |
| CN113376260B (en) * | 2021-08-06 | 2021-11-02 | 上海电气核电集团有限公司 | Welding seam simulation test block and ultrasonic detection process feasibility verification method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191106 Address after: 071056 No. 2222 Print-Rite West Road, Hebei, Baoding Patentee after: Baoding Tianwei Baobian Electric Co., Ltd. Address before: 071056, No. 2222 Print-Rite West Road, Xinshi District, Hebei, Baoding Patentee before: Baoding Tianwei Electrical Equipment Structure Co.,Ltd. |