CN206489123U - A kind of quantitative test block of oblique incidence flat-bottom hole reflection sensitivity - Google Patents
A kind of quantitative test block of oblique incidence flat-bottom hole reflection sensitivity Download PDFInfo
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- CN206489123U CN206489123U CN201621461496.3U CN201621461496U CN206489123U CN 206489123 U CN206489123 U CN 206489123U CN 201621461496 U CN201621461496 U CN 201621461496U CN 206489123 U CN206489123 U CN 206489123U
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Abstract
The utility model is related to a kind of quantitative test block of oblique incidence flat-bottom hole reflection sensitivity, the approximate at right angles triangle in the longitudinal section of the test block, the test block includes horizontal plane, vertical plane and inclined-plane, the horizontal plane is vertical with vertical plane, the horizontal plane, vertical plane and inclined-plane are rectangular and wide, and the within angle of the horizontal plane and inclined-plane is 30 °；The vertical plane is provided with perpendicular to the multiple holes of the vertical plane, and length direction of the multiple hole along vertical plane is set and in a row equidistantly distributed.The utility model has the advantage of：Simple in terms of processing, flat-bottom hole working depth, up rightness and trueness error can be effectively ensured；Realize that the non-blind area sensitivity all standing of groove melt run region is quantified；Test block compact, is easy to carry, and conveniently calibrates and checks；There is certain versatility, economy is strong.
Description
Technical field
The utility model relates generally to ultrasound examination field, and more particularly to a kind of oblique incidence flat-bottom hole reflection sensitivity is determined
Measure test block.
Background technology
, it is necessary to which the echo amplitude to the same diameter reflector of different depth is entered in ultrasonic wave oblique incidence weld seam Non-Destructive Testing
Rower is determined, and these reflectors typically have cross-drilled hole, flat-bottom hole, groove etc..Conventional flat-bottom hole reflector sets general direct at present
The reflector of different size is set according to bevel angle in weld groove side, for detecting defect spirit during groove incomplete fusion defect
Sensitivity is quantified, and refers to 2' weld grooves in 1' weld grooves in Fig. 1, Fig. 2.
The problem of conventional flat-bottom hole reflector calibration sensitivity is present：
（1）Due to directly being drilled on weld seam test plate (panel), drilling depth is not easily controlled, and such as sets flat-bottom hole plane to mother
In material and in weld seam, ultrasound examination sensitivity can be caused deviation occur, further, since the reason for piece-holder, its flat-bottom hole
Perpendicularity is likely to occur deviation；
（2）There is blind area in upper surface and lower surface area melt run area-type defect quantitative in flat-bottom hole, and sensitivity can not
All coverings, general sensitivity can not covering part be not less than 30%, cause flat-bottom hole reflecting surface to reflect the fusion of whole grooves
The reflection case in face.
Utility model content
The utility model is in view of the above-mentioned problems, improve a kind of quantitative test block of oblique incidence flat-bottom hole reflection sensitivity, it is intended to carry
The reliability of the incomplete fusion defects detection of high 30 ° of groove welds, reduces flat-bottom hole reflector difficulty of processing, improves sensitivity setting
Operating reliability, realize groove flaw sensitivity whole school quasi- covering ultrasound examination.Simultaneously from the refraction of ultrasound examination waveform
Principle is set out, and by the form of comparison of design test block, single flat-bottom hole reflection comparative simulation is modified into the spirit of flat-bottom hole reflector
Acuity curve, convenience for ultrasonic ripple testing staff's field operation.
The purpose of this utility model can be realized by following technical proposals：A kind of oblique incidence flat-bottom hole reflects sensitivity
Quantitative test block, the approximate at right angles triangle in longitudinal section of the test block, the test block includes horizontal plane, vertical plane and inclined-plane, institute
State horizontal plane vertical with vertical plane, the horizontal plane, vertical plane and inclined-plane are rectangular and wide, and the horizontal plane passes through with inclined-plane
First Transition face transition connection, the vertical plane is connected with inclined-plane by the second transition face transition, and the First Transition face is vertical
In horizontal plane, second transition face is perpendicular to vertical plane, and the within angle of the horizontal plane and inclined-plane is 30 °；The vertical plane
It is provided with perpendicular to the multiple holes of the vertical plane, length direction of the multiple hole along vertical plane sets and arrange equidistant point in one
Cloth.
Further, the length of the test block is 166mm, is highly 100mm, thickness is 25mm, the length of the horizontal plane
Spend for 166mm, the length of the vertical plane is 100mm, and the width of the horizontal plane, vertical plane and inclined-plane is 25mm, described
The length in First Transition face is 7.6mm, and the length of second transition face is 7.2mm；The quantity in the hole is seven, adjacent holes
Center between spacing be 11.68mm, in seven holes, the distance at the center in the hole of the top to vertical plane upper end, most
The distance of the center in the hole of lower end to vertical plane lower end is 15mm.
Further, seven holes are arranged on the center line of vertical plane width.
Further, the hole is flat-bottom hole.
Compared with prior art, the utility model has the advantage of：
（1）Simple in terms of processing, flat-bottom hole working depth, up rightness and trueness error can be effectively ensured；
Flat-bottom hole working depth is at grade, simple in terms of processing, and flat-bottom hole working depth, up rightness and precision are missed
Difference can be effectively ensured.
（2）Realize that the non-blind area sensitivity all standing of groove melt run region is quantified；
By read different depth flat-bottom hole reflector peak value gather, formed distance gain size curve, can simulation reaction not
With the sensitivity of 30 ° of groove area-type defects of sound path scope, asking for upper and lower surface melt run sensitivity blind area can be overcome
Topic, realizes that 100% all standing Sensitivity comparison is quantified.
（3）Test block compact, is easy to carry, and conveniently calibrates and checks；
Test block facilitates testing staff to carry to scene relative to welded joint test block weight reduction more than 60%, can carry out at the scene
Sensitivity calibration and check work.
（4）There is certain versatility, economy is strong；
Such test block is applicable to the material weld groove incomplete fusion detection of similar acoustical behavior, reduces and repeats what is made
Expense, saves the expense of material and making.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the quantitative test block of the common groove incomplete fusion ultrasound detection sensitivity of prior art.
Fig. 2 is another structural representation of the quantitative test block of the common groove incomplete fusion ultrasound detection sensitivity of prior art.
Fig. 3 is front view of the present utility model.
Fig. 4 is Fig. 3 left view.
Fig. 5 is Fig. 3 top view.
Fig. 6 is the probe placement schematic diagram of the embodiment of the utility model one.
Fig. 7 is Fig. 6 mesopore various point locations display schematic diagrams.
Fig. 8 is linked to be distance gain size curve schematic diagram for each point in Fig. 7.
Part numbers are as follows in figure：
1' weld grooves, 2' weld grooves；
1 horizontal plane, 2 vertical planes, 3 inclined-planes, 4 First Transition faces, 5 second transition faces, 6 first holes, 7 second holes, 8 the 3rd
Hole, 9 the 4th holes, 10 the 5th holes, 11 the 6th holes, 12 seven apertures in the human heads, 13 first positions, 14 second places, 15 the 3rd positions, 16 the 4th
Position, 17 the 5th positions, 18 the 6th positions, 19 the 7th positions, 20 first hole back waves, 21 second hole back waves, 22 the 3rd holes
Back wave, 23 the 4th hole back waves, 24 the 5th hole back waves, 25 the 6th hole back waves, 26 seven apertures in the human head back waves.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, becomes apparent from those skilled in the art
Ground understands how to put into practice the utility model.Although describing the utility model with reference to its preferred embodiment, these
Embodiment is to illustrate, rather than limits scope of the present utility model.
Fig. 3 is referred to Fig. 5, a kind of quantitative test block of oblique incidence flat-bottom hole reflection sensitivity, for 30 ° of weld grooves（Face
Product type defect）60 ° of angle probes are placed on the quantitative test block of oblique incidence flat-bottom hole reflection sensitivity oblique by the existing characteristics of incomplete fusion
In plane, 60 ° of angle probe refractions is produced the Main beam impinged perpendicularly in flat-bottom hole plane, produce maximum echo, equivalent mould
Intend weld groove area-type defect reflection feature.
The approximate at right angles triangle in the longitudinal section of the test block, the test block includes horizontal plane 1, vertical plane 2 and inclined-plane 3,
The horizontal plane 1 is vertical with vertical plane 2, and the horizontal plane 1, vertical plane 2 and inclined-plane 3 are rectangular and wide, the horizontal plane 1 with
Inclined-plane 3 is connected by the transition of First Transition face 4, and the vertical plane 2 is connected with inclined-plane 3 by the transition of the second transition face 5, and described the
One transition face 4 is perpendicular to horizontal plane 1, and second transition face 5 is perpendicular to vertical plane 2, the inner clip of the horizontal plane 1 and inclined-plane 3
Angle is 30 °；The vertical plane 2 is provided with perpendicular to more than 2 hole of the vertical plane, and hole is flat-bottom hole, and the multiple hole is along vertical plane 2
Length direction set and in a row equidistantly distributed.
The length of the test block is 166mm, is highly 100mm, thickness is 25mm, test block dimensional accuracy meets JB/
T8428-2006《Non-Destructive Testing ultrasound detection test block》It is required that.
The length of the horizontal plane 1 is 166mm, and the length of the vertical plane 2 is 100mm, the horizontal plane 1, vertical plane 2
Width with inclined-plane 3 is 25mm, and the length in the First Transition face 4 is 7.6mm, and the length of second transition face 5 is
7.2mm；The quantity in the hole is seven, and the first hole 6, the second hole 7, the are followed successively by from top to bottom along the length direction of vertical plane 2
Spacing between three holes 8, the 4th hole 9, the 5th hole 10, the 6th hole 11, seven apertures in the human head 12, the center of adjacent holes is 11.68mm, described
In seven holes, distance, the distance of center to the lower end of vertical plane 2 of seven apertures in the human head 12 of center to the upper end of vertical plane 2 in the first hole 6 are equal
For 15mm, seven holes are arranged on the center line of the width of vertical plane 2.
The utility model test block uses or identical material consistent with material ultrasonic acoustic performance is detected to be made, and makes
Before, detected there must not be the defect more than or equal to Ф 2mm flat-bottomed hole equivalent diameters using normal probe.
The utility model test block can form distance-amplitude curve using relatively easy.
The use step and method of the utility model test block：
Step 1: nominal 60 ° of refraction angles probe is connected into supersonic reflectoscope；
Step 2: determined in IIW test blocks Front distance, zero partially and the actual refraction angle of probe, the actual refraction angle of selection
For 60 ° ± 0.5 of probe；
Step 3: selected probe placement is referred into Fig. 6 in the utility model test block；
Step 4: instrument is shown into transverse axis is set as that depth shows 1：1, probe is sequentially placed into first position 13, second
Position 14, the 3rd position 15, the 4th position 16, the 5th position 17, the 6th position 18, at the 7th position 19, scanning first successively
Hole 6, the second hole 7, the 3rd hole 8, the 4th hole 9, the 5th hole 10, the 6th hole 11, the position of seven apertures in the human head 12 obtain a series of reflection echos,
Corresponding is respectively the first hole back wave 20, the second hole back wave 21, the 3rd hole back wave 22, the 4th hole back wave the 23, the 5th
Hole back wave 24, the 6th hole back wave 25, seven apertures in the human head back wave 26, are referred to such as Fig. 7, the first hole 6 to each point of seven apertures in the human head 12 position
Display schematic diagram is put, display echo is located at depth 10mm, 20mm, 30mm, 40mm, 50mm, 60mm, 70mm respectively；
Step 5: connection each point peak value obtains distance gain size curve, refer to Fig. 8 each points and be linked to be distance gain size curve signal
Figure, is so completed for the sensitivity curve that groove incomplete fusion is detected.
Another embodiment：In the ship hull plate structure of certain shipyard（Thickness is 30mm thicknesss of slab, X-type groove）Weld seam in carry out
Groove incomplete fusion defect quantitative is detected, Defect Comparison is carried out using the groove incomplete fusion defect quantitative curve of the new drafting of this reality,
It was found that incomplete fusion defect ultrasound indicates reflection at two, position be respectively above and below two grooves fusion line sides.Wherein, defect 1：Lack
It is about Ф 2+0dB flat-bottomed hole equivalents, the wave measurement indicating length 13mm of end points half to fall into indicated depth 3mm, defect reflection wave height；Defect
2：Defect indicated depth 25mm, defect reflection wave height are about Ф 2+6dB flat-bottomed hole equivalents, the wave measurement indicating length of end points half
20mm。
Above-mentioned ultrasound detection groove incomplete fusion reflection indicates defect, and through ray detection, ultrasound detection correspondence is found in egative film
Groove face incomplete fusion finds defect at 2 above and below position.Wherein, defect 1：Show length 11mm, width 2mm；Defect 2：Display length
Spend 17mm, width 3mm.
Above-mentioned ultrasound detection groove incomplete fusion reflection, through material object dissection, descends groove face to find two grooves not in welded joints
Fuse defect.Wherein, defect 1：2 ~ 4.1mm of depth of defect, defect length 10mm, width 2.1mm, height 2.4mm；Defect 2：Lack
Fall into 21 ~ 24.3mm of depth, defect length 14mm, width 2.1mm, height 3.3mm.
Preliminary conclusion：Groove incomplete fusion defect quantitative curve detects to groove incomplete fusion defect, its position location base
This and dissection and ray detection locations coincide, and detection flaw size is slightly less than ultrasound examination and indicates size, meets detection and requires.
Another embodiment：In the steel construction of certain manufacture of steel structure factory（Thickness is 15mm thicknesss of slab, two-sided into double V-groove）
Weld seam in carry out the detection of groove incomplete fusion defect quantitative, entered using the groove incomplete fusion defect quantitative curve of the new drafting of this reality
Row Defect Comparison, it is found that incomplete fusion defect ultrasound indicates reflection at one, position is respectively at probe side slope mouthful fusion line side.This refers to
The defect reflection wave height for showing defect is about Ф 2+9dB flat-bottomed hole equivalents, the wave measurement indicating length 25mm of end points half.
Above-mentioned ultrasound detection groove incomplete fusion reflection indicates defect, and through ray detection, ultrasound detection correspondence is found in egative film
Position groove face incomplete fusion finds defect at 1.Wherein, defect 1：Show length 21.5mm, width 2.8mm.
Above-mentioned ultrasound detection groove incomplete fusion reflection, through material object dissection, a groove incomplete fusion is found in weld groove face
Defect.Defect length 23mm Breadth Maximum 2.3mm, maximum height 3.2mm.
Preliminary conclusion：Groove incomplete fusion defect quantitative curve detects to groove incomplete fusion defect, its position location base
This and dissection and ray detection locations coincide, and detection flaw size is slightly less than ultrasound examination and indicates size, meets detection and requires.
It should be pointed out that for the utility model through absolutely proving, can also have a variety of conversion and the implementation of remodeling
Scheme, it is not limited to the specific embodiment of above-mentioned embodiment.Above-described embodiment as just explanation of the present utility model, and
It is not to limitation of the present utility model.In a word, protection domain of the present utility model should include those for ordinary skill
Obvious conversion or replacement and remodeling for personnel.
Claims (4)
1. a kind of quantitative test block of oblique incidence flat-bottom hole reflection sensitivity, it is characterised in that the longitudinal section of the test block is approximately in straight
Angle triangle, the test block includes horizontal plane, vertical plane and inclined-plane, and the horizontal plane is vertical with vertical plane, the horizontal plane, erects
Face directly rectangular and wide with inclined-plane, the horizontal plane is connected with inclined-plane by the transition of First Transition face, the vertical plane with tiltedly
Face is connected by the second transition face transition, and the First Transition face is perpendicular to horizontal plane, and second transition face is perpendicular to vertical
Face, the within angle of the horizontal plane and inclined-plane is 30 °；The vertical plane is provided with perpendicular to the multiple holes of the vertical plane, described many
Length direction of the individual hole along vertical plane is set and in a row equidistantly distributed.
2. the quantitative test block of oblique incidence flat-bottom hole reflection sensitivity according to claim 1, it is characterised in that the test block
Length is 166mm, is highly 100mm, thickness is 25mm, and the length of the horizontal plane is 166mm, and the length of the vertical plane is
100mm, the width of the horizontal plane, vertical plane and inclined-plane is 25mm, and the length in the First Transition face is 7.6mm, described
The length of second transition face is 7.2mm；The quantity in the hole is that the spacing between seven, the center of adjacent holes is 11.68mm, institute
State in seven holes, the center to the distance of vertical plane upper end, the center to vertical plane lower end in the hole of bottom in the hole of the top
Distance is 15mm.
3. the quantitative test block of oblique incidence flat-bottom hole reflection sensitivity according to claim 2, it is characterised in that seven holes
On the center line for being arranged at vertical plane width.
4. according to any described quantitative test block of oblique incidence flat-bottom hole reflection sensitivity of claims 1 to 3, it is characterised in that institute
Hole is stated for flat-bottom hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621461496.3U CN206489123U (en) | 2016-12-29 | 2016-12-29 | A kind of quantitative test block of oblique incidence flat-bottom hole reflection sensitivity |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621461496.3U CN206489123U (en) | 2016-12-29 | 2016-12-29 | A kind of quantitative test block of oblique incidence flat-bottom hole reflection sensitivity |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008010A (en) * | 2017-11-22 | 2018-05-08 | 上海船舶工程质量检测有限公司 | A kind of quantitative test block of oblique incidence flat-bottom hole reflection |
| CN108828075A (en) * | 2018-07-04 | 2018-11-16 | 山东汇科工程检测有限公司 | Composite board soldering joint compares test plate (panel) to the verification method of ultrasound examination transmission rate |
| CN109374753A (en) * | 2018-09-20 | 2019-02-22 | 中国神华能源股份有限公司 | Visit wheel test device, test macro and test method |
| CN110389175A (en) * | 2018-04-16 | 2019-10-29 | 上海明华电力技术工程有限公司 | A kind of high temperature valve ultrasound detection reference block |
| CN112763583A (en) * | 2021-04-07 | 2021-05-07 | 成都飞机工业（集团）有限责任公司 | Calibration block for ultrasonic phased array sector scanning and manufacturing and using methods |
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2016
- 2016-12-29 CN CN201621461496.3U patent/CN206489123U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008010A (en) * | 2017-11-22 | 2018-05-08 | 上海船舶工程质量检测有限公司 | A kind of quantitative test block of oblique incidence flat-bottom hole reflection |
| CN108008010B (en) * | 2017-11-22 | 2024-03-29 | 上海船舶工程质量检测有限公司 | Quantitative test block for oblique incidence flat bottom hole reflection |
| CN110389175A (en) * | 2018-04-16 | 2019-10-29 | 上海明华电力技术工程有限公司 | A kind of high temperature valve ultrasound detection reference block |
| CN108828075A (en) * | 2018-07-04 | 2018-11-16 | 山东汇科工程检测有限公司 | Composite board soldering joint compares test plate (panel) to the verification method of ultrasound examination transmission rate |
| CN109374753A (en) * | 2018-09-20 | 2019-02-22 | 中国神华能源股份有限公司 | Visit wheel test device, test macro and test method |
| CN109374753B (en) * | 2018-09-20 | 2021-10-22 | 中国神华能源股份有限公司 | Probe wheel testing device, testing system and testing method |
| CN112763583A (en) * | 2021-04-07 | 2021-05-07 | 成都飞机工业（集团）有限责任公司 | Calibration block for ultrasonic phased array sector scanning and manufacturing and using methods |
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