CN106018567A - Reference block group for ultrasonically detecting brazing-type copper-aluminum transitional equipment clamp - Google Patents
Reference block group for ultrasonically detecting brazing-type copper-aluminum transitional equipment clamp Download PDFInfo
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- CN106018567A CN106018567A CN201610493559.1A CN201610493559A CN106018567A CN 106018567 A CN106018567 A CN 106018567A CN 201610493559 A CN201610493559 A CN 201610493559A CN 106018567 A CN106018567 A CN 106018567A
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- circular hole
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/30—Arrangements for calibrating or comparing, e.g. with standard objects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/267—Welds
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention provides a reference block group for ultrasonically detecting a brazing-type copper-aluminum transitional equipment clamp. The reference block group comprises four test blocks; each test block comprises two parts, i.e. an aluminum plate layer and a copper plate layer; the top surface of the aluminum plate layer is connected with the copper plate layer; the aluminum plate layers of two test blocks are respectively provided with two through holes which are successively named as a first circular hole and a second circular hole; and the copper plate layers of the other two test blocks are respectively provided with two through holes which are successively named as a third circular hole and a fourth circular hole. The reference block group has the technical effects that the detection requirement of various brazing-type copper-aluminum transitional equipment clamp can be met.
Description
Technical field
The invention belongs to soldering type copper-aluminium transition equipment cable clamp ultrasonic detection technology field, at soldering type copper-aluminium transition equipment cable clamp
Adjust for ultrasound detection base line and the test block of sensitivity calibration during detection.
Background technology
At present, the detection of the welding quality of soldering type copper-aluminium transition equipment cable clamp there is no suitable lossless detection method.This patent is first
The secondary ultrasonic detection method proposing the type wire clamp, test and on-the-spot application result show that method is reliable, are suitable for scene application.
But the use premise of ultrasonic detection method is the need for supporting reference block, for ultrasonic wave detecting system performance calibration and
Detection sensitivity is calibrated.
Summary of the invention
In order to solve soldering type copper-aluminium transition equipment cable clamp ultrasonic wave detecting system performance calibration and the problem of sensitivity calibration, this
Bright provide a kind of special ultrasound wave reference block.
The concrete technical solution of the present invention is as follows:
For the reference block group of soldering type copper-aluminium transition equipment cable clamp ultrasound examination, including 4 pieces of test blocks.
Described test block all includes aluminum layer 100 and 200 two parts of copper plate layer.Described aluminum layer 100 is rectangular blocks.At aluminum
The end face of flaggy 100 connects copper plate layer 200.Described copper plate layer 200 is rectangular blocks, and the area of copper plate layer 200 is less than
The area of aluminum layer 100.The i.e. end face of the incomplete aluminium coating flaggy 100 of copper plate layer 200.
Two through holes, the most referred to as first circular hole 300 and the second circular hole it is equipped with on the aluminum layer 100 of 2 pieces of test blocks wherein
400。
The copper plate layer 200 of other 2 pieces of test blocks is equipped with two through holes, the most referred to as the 3rd circular hole 500 and the 4th circular hole
600。
The technique effect of the present invention is embodied in following aspect:
1. the present invention disclosure satisfy that ultrasonic wave detecting system performance calibration and the detection sensitivity of soldering type copper-aluminium transition equipment cable clamp
Calibration.
2. the present invention is determined for the spy flaw size of I of soldering type copper-aluminium transition equipment cable clamp ultrasound examination, checking
The reliability of characterization processes.
3. the present invention disclosure satisfy that the detection demand of each model soldering type copper-aluminium transition equipment cable clamp.
4. the present invention is reasonable in design, uses drawing shown in the drawings can process by above-mentioned technical solution and meets the right of requirement
Ratio test block, test block fabrication and processing difficulty, without departing from the soldering processes production technology level of existing maturation, has saved processing cost.
Accompanying drawing explanation
Fig. 1 is the first test block, the front view of the second test block.
Fig. 2 is the top view of Fig. 1.
Fig. 3 the 3rd test block, the front view of the 4th test block.
Fig. 4 is the top view of Fig. 3.
Detailed description of the invention
Below in conjunction with the accompanying drawings, by embodiment, the present invention is further described.
See Fig. 1 and Fig. 3, for the reference block group of soldering type copper-aluminium transition equipment cable clamp ultrasound examination, it is characterised in that:
Including 4 pieces of test blocks.
Described test block all includes aluminum layer 100 and 200 two parts of copper plate layer.Described aluminum layer 100 is rectangular blocks.At aluminum
The end face of flaggy 100 connects copper plate layer 200.Described copper plate layer 200 is rectangular blocks, and the area of copper plate layer 200 is less than
The area of aluminum layer 100.The i.e. end face of the incomplete aluminium coating flaggy 100 of copper plate layer 200.
See Fig. 1 and Fig. 2, the aluminum layer 100 of 2 pieces of test blocks wherein is equipped with two through holes, the most referred to as first circle
Hole 300 and the second circular hole 400.
See Fig. 3 and Fig. 4, the copper plate layer 200 of other 2 pieces of test blocks is equipped with two through holes, the most referred to as the 3rd circle
Hole 500 and the 4th circular hole 600.
Furtherly, see Fig. 1 and Fig. 3, the thickness of aluminum layer 100 be the span of T, T be 7～12 millimeters of mm.
Furtherly, see Fig. 1 and Fig. 3, the thickness of copper plate layer 200 be the span of δ, δ be 0.5～1 millimeter of mm.
Furtherly, seeing Fig. 2 and Fig. 4, the width of aluminum layer 100 is equal with the width of copper plate layer 200, aluminum layer 100
The difference of length of length and copper plate layer 200 not less than 20mm.
Furtherly, seeing Fig. 2 and Fig. 4, the width of aluminum layer 100 is not more than 80mm.
Furtherly, see Fig. 1 and Fig. 3, the spacing in the center of circle of the first circular hole 300 to copper plate layer 200 edge, the second circular hole
The spacing at the center of circle of 400 to copper plate layer 200 edge, the spacing at the center of circle to copper plate layer 200 edge of the 3rd circular hole 500, the 4th
The spacing at the center of circle of circular hole 600 to copper plate layer 200 edge is all not less than 15mm.
Furtherly, the surface roughness of test block is Ra < 6.3.The dimensional tolerance of test block is no more than ± 0.1mm, test block
Edge, the verge of opening of the first circular hole 300, the verge of opening of the second circular hole 400, the verge of opening of the 3rd circular hole 500 and
There is not Kekelé structure count defect in the verge of opening of the 4th circular hole 600.
Furtherly, see Fig. 1 and Fig. 3, the center of circle of the first circular hole 300 and the spacing in the center of circle of the second circular hole 400, the 3rd
The spacing in the center of circle of circular hole 500 and the center of circle of the 4th circular hole 600 is 35mm.
The width of aluminum layer 100 is 50mm, a length of 100mm.The width of copper plate layer 200 is 50mm, a length of 80mm.
One side end face of the length direction of aluminum layer 100 is coplanar with the side end face vertical of the length direction of copper plate layer 200.
Furtherly, seeing Fig. 1 and Fig. 3, the center of circle of the first circular hole 300 is 25mm with the spacing of copper plate layer 200 left end face.
The center of circle of the second circular hole 400 is 20mm with the spacing of copper plate layer 200 its right end face.The center of circle of the first circular hole 300 and the second circle
The line in the center of circle in hole 400 overlaps with the centrage of copper plate layer 200 width.
The center of circle of the 3rd circular hole 500 is 25mm with the spacing of copper plate layer 200 left end face.The center of circle of the 4th circular hole 600 and copper
The spacing of flaggy 200 its right end face is 20mm.The line in the center of circle of the 3rd circular hole 500 and the center of circle of the 4th circular hole 600 and copper
The centrage of flaggy 200 width overlaps.
Furtherly, see Fig. 1 and Fig. 3,4 the most named first test blocks of test block, the second test block, the 3rd test block,
Four test blocks.Wherein, the first test block, the second test block aluminum layer 100 on be equipped with two through holes.The 3rd test block,
Two through holes it are equipped with in the copper plate layer 200 of four test blocks.
A diameter of 8mm of the first circular hole 300 in the first test block, a diameter of 2mm of the second circular hole 400 in the first test block.
A diameter of 4mm of the first circular hole 300 in the second test block, a diameter of 3mm of the second circular hole 400 in the second test block.
A diameter of 8mm of the 3rd circular hole 500 in the 3rd test block, a diameter of 2mm of the 4th circular hole 600 in the 3rd test block.
A diameter of 4mm of the 3rd circular hole 500 in the 4th test block, a diameter of 3mm of the 4th circular hole 600 in the 4th test block.
Furtherly, copper plate layer 200 material be model be the copper material of T2, aluminum layer 100 material be model be the aluminium of L3,
The inside zero defect of above-mentioned metal material.
When using the first test block, the second test block, probe is placed in copper coating side and carries out detection sensitivity calibration, can be by zero defect
The once end ripple of non-perforate brazing area is transferred to the 80% of oscillography screen flooding as reference sensitivity.
When using the 3rd test block, four test blocks, probe is placed in aluminum plate foundation side and carries out detection sensitivity calibration, can be by zero defect
Locate the once end ripple of non-perforate brazing area and be transferred to the 80% of oscillography screen flooding as reference sensitivity.
50 × 20mm aluminium sheet district (non brazing district) that 4 kinds of model reference blocks of the present invention have sweeps for ultrasonic wave detecting system
Retouch the regulation of the detection parameters such as ratio, sweep limits and the velocity of sound.
The present invention can be used for determining detection faces preferably and checking method.
φ 2mm that the present invention has, φ 3mm, φ 4mm, φ 8mm circular hole can be used for determining soldering type copper-aluminium transition equipment cable clamp
The I of ultrasound examination visits flaw size, the reliability of checking characterization processes.
Claims (10)
1. for the reference block group of soldering type copper-aluminium transition equipment cable clamp ultrasound examination, it is characterised in that: include 4 pieces of test blocks；
Described test block all includes aluminum layer (100) and (200) two parts of copper plate layer；End face at aluminum layer (100) connects to be had
Copper plate layer (200)；The area of copper plate layer (200) is less than the area of aluminum layer (100)；The aluminum layer of 2 pieces of test blocks wherein
(100) two through holes, the most referred to as first circular hole (300) and the second circular hole (400) it are equipped with on；In other 2 pieces of examinations
Two through holes, the most referred to as the 3rd circular hole (500) and the 4th circular hole (600) it is equipped with in the copper plate layer (200) of block.
Reference block group for soldering type copper-aluminium transition equipment cable clamp ultrasound examination the most according to claim 1, its feature exists
In: the span that thickness is T, T of aluminum layer (100) is 7～12 millimeters.
Reference block group for soldering type copper-aluminium transition equipment cable clamp ultrasound examination the most according to claim 1, its feature exists
In: the span that thickness is δ, δ of copper plate layer (200) is 0.5～1 millimeter.
Reference block group for soldering type copper-aluminium transition equipment cable clamp ultrasound examination the most according to claim 1, its feature exists
In: the width of aluminum layer (100) is equal with the width of copper plate layer (200), the length of aluminum layer (100) and copper plate layer (200)
The difference of length not less than 20mm.
Reference block group for soldering type copper-aluminium transition equipment cable clamp ultrasound examination the most according to claim 1, its feature exists
In: the width of aluminum layer (100) is not more than 80mm.
Reference block group for soldering type copper-aluminium transition equipment cable clamp ultrasound examination the most according to claim 1, its feature exists
In: the spacing in the center of circle of the first circular hole (300) to copper plate layer (200) edge, the second circular hole (400) the center of circle to copper coin
The layer spacing at (200) edge, the spacing at the center of circle to aluminum layer (200) edge of the 3rd circular hole (500), the 4th circular hole (600)
The spacing at the center of circle to copper plate layer (200) edge all not less than 15mm.
Reference block group for soldering type copper-aluminium transition equipment cable clamp ultrasound examination the most according to claim 1, its feature exists
In: the surface roughness of test block is Ra≤6.3；The dimensional tolerance of test block no more than ± 0.1mm, the edge of test block, first
The verge of opening of circular hole (300), the verge of opening of the second circular hole (400), the verge of opening of the 3rd circular hole (500) and
There is not Kekelé structure count defect in the verge of opening of four circular holes (600).
Reference block group for soldering type copper-aluminium transition equipment cable clamp ultrasound examination the most according to claim 1, its feature exists
In: the center of circle of the first circular hole (300) and the spacing in the center of circle of the second circular hole (400), the center of circle of the 3rd circular hole (500) and
The spacing in the center of circle of the 4th circular hole (600) is 35mm；
The width of aluminum layer (100) is 50mm, a length of 100mm；The width of copper plate layer (200) is 50mm, a length of
80mm；One side end face of the length direction of aluminum layer (100) is total to the side end face vertical of the length direction of copper plate layer (200)
Face.
Reference block group for soldering type copper-aluminium transition equipment cable clamp ultrasound examination the most according to claim 1, its feature exists
In: the center of circle of the first circular hole (300) is 25mm with the spacing of copper plate layer (200) left end face；Second circular hole (400)
The center of circle is 20mm with the spacing of copper plate layer (200) its right end face；The center of circle of the first circular hole (300) and the second circular hole (400)
The line in the center of circle overlap with the centrage of copper plate layer (200) width；
The center of circle of the 3rd circular hole (500) and the spacing of copper plate layer (200) left end face are 25mm；4th circular hole (600)
The center of circle is 20mm with the spacing of copper plate layer (200) its right end face；The center of circle of the 3rd circular hole (500) and the 4th circular hole (600)
The line in the center of circle overlap with the centrage of copper plate layer (200) width.
Reference block group for soldering type copper-aluminium transition equipment cable clamp ultrasound examination the most according to claim 1, its feature
It is: 4 the most named first test blocks of test block, the second test block, the 3rd test block, the 4th test blocks；Wherein, in the first examination
Block, the second test block aluminum layer (100) on be equipped with two through holes；In the 3rd test block, the copper plate layer (200) of the 4th test block
On be equipped with two through holes；A diameter of 8mm of the first circular hole (300) in the first test block, the second circle in the first test block
A diameter of 2mm in hole (400)；A diameter of 4mm of the first circular hole (300) in the second test block, second in the second test block
A diameter of 3mm of circular hole (400)；A diameter of 8mm of the 3rd circular hole (500) in the 3rd test block, in the 3rd test block
A diameter of 2mm of four circular holes (600)；A diameter of 4mm of the 3rd circular hole (500) in the 4th test block, in the 4th test block
A diameter of 3mm of the 4th circular hole (600).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610493559.1A CN106018567A (en) | 2016-06-28 | 2016-06-28 | Reference block group for ultrasonically detecting brazing-type copper-aluminum transitional equipment clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610493559.1A CN106018567A (en) | 2016-06-28 | 2016-06-28 | Reference block group for ultrasonically detecting brazing-type copper-aluminum transitional equipment clamp |
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| Publication Number | Publication Date |
|---|---|
| CN106018567A true CN106018567A (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610493559.1A Pending CN106018567A (en) | 2016-06-28 | 2016-06-28 | Reference block group for ultrasonically detecting brazing-type copper-aluminum transitional equipment clamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607812A (en) * | 2021-07-16 | 2021-11-05 | 华北电力科学研究院有限责任公司 | Phased array ultrasonic detection test block structure and detection method for brazing type copper-aluminum transition wire clamp |
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2016
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| CN204719007U (en) * | 2015-06-01 | 2015-10-21 | 华电郑州机械设计研究院有限公司 | The test block of steel tube tower thin walled tube weld seam detection Defect Comparison |
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| 王志等: "《变电站铜铝过渡线夹超声相控阵检测工艺及应用》", 《四川电力技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113607812A (en) * | 2021-07-16 | 2021-11-05 | 华北电力科学研究院有限责任公司 | Phased array ultrasonic detection test block structure and detection method for brazing type copper-aluminum transition wire clamp |
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Application publication date: 20161012 |
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