CN207882217U - It is a kind of can analog detection environment inside-through type EDDY CURRENT auxiliary device - Google Patents
It is a kind of can analog detection environment inside-through type EDDY CURRENT auxiliary device Download PDFInfo
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- CN207882217U CN207882217U CN201820137316.9U CN201820137316U CN207882217U CN 207882217 U CN207882217 U CN 207882217U CN 201820137316 U CN201820137316 U CN 201820137316U CN 207882217 U CN207882217 U CN 207882217U
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- China
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- eddy current
- test sample
- sample tube
- metal
- auxiliary device
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Abstract
The utility model specifically discloses it is a kind of can analog detection environment inside-through type EDDY CURRENT auxiliary device, including metal staving and multiple metallic plates, multiple metallic plates are set in turn in the inside of metal staving from bottom to top, and each metallic plate is provided centrally with central through hole；For stretching into test sample tube into metal drum body, eddy current probe passes through test sample tube and stretches into the inside of metal staving and is detected central through hole；Wherein, include multiple artificial defects from bottom to top in test sample tube, the spacing between multiple metallic plates is corresponding with the spacing of the artificial defect in test sample tube.The utility model can analog detection pipe by the media such as water, oil surround and existing environment, for calibrating inside-through type eddy detecting instrument parameter, calibration test sample tube defect shows information and grasps influence of the support tube sheet to defect detection signal, to ensure sensitivity and the detection efficiency of EDDY CURRENT.
Description
Technical field
The utility model is related to eddy detection technology fields, and in particular to it is a kind of can analog detection environment inside-through type whirlpool
Stream detection auxiliary device.
Background technology
EDDY CURRENT based on electromagnetic induction principle, has as one of five big conventional non-destructive testing technologies and is not required to coupling
Close medium, the features such as detection speed is fast, detection sensitivity is high, can the operation under high temperature and remote condition, be suitable for quality of material separator,
Detect the defect of conductive material surface and near surface, it can also be used to measure the thickness of metal cladding or nonmetallic coating.Vortex
Detection technique is widely used in the fields such as aerospace, machine-building, electric power, chemical industry.
In general, before carrying out EDDY CURRENT to the tubing before in-service or installation, inspection of the test with relevant people work defect is needed
Test sample pipe, to calibrate the information such as detection parameters, amplitude, the phase of demarcating different defect response signals.Most of EDDY CURRENTs
Be room temperature, it is dry under conditions of carry out, however for certain in-service equipment, testing conditions are complex, pipe to be checked
It may be surrounded by media such as steam, water, oil, detection signal may also be supported the interference of tube sheet, to defect response signal
Judge causes difficulty, seriously affects detection accuracy and detection efficiency.
Utility model content
For problems of the prior art, the purpose of this utility model is to provide it is a kind of can analog detection environment
Inside-through type EDDY CURRENT auxiliary device, can analog detection pipe by the media such as water, oil surround and existing environment, be used for prover
Device parameter, calibration test sample tube defect show information (such as phase, amplitude) and grasp support tube sheet to defect detection signal
Influence, to ensure sensitivity and the detection efficiency of EDDY CURRENT, solving current instrumental correction can only carry out in air,
The problem of detection environment of in-service tubing can not be simulated.The utility model can analog detection environment inside-through type EDDY CURRENT
Auxiliary device is detected suitable for conventional vortex, is also applied for precursor in far field.
In order to achieve the above object, the utility model is achieved using following technical scheme.
It is a kind of can analog detection environment inside-through type EDDY CURRENT auxiliary device, including metal staving and multiple metals
Plate, the multiple metallic plate is set in turn in the inside of the metal staving from bottom to top, and each metallic plate is centrally disposed
There is central through hole；The central through hole passes through the detection for stretching into test sample tube, eddy current probe into the metal drum body
The sample pipe and inside for stretching into the metal staving is detected；Wherein, in the test sample tube include from bottom to top multiple people
Work defect, the spacing between the multiple metallic plate are corresponding with the spacing of the artificial defect in the test sample tube.
It is according to the present utility model can analog detection environment inside-through type EDDY CURRENT auxiliary device, by multiple metallic plates
It is successively set on the inside of metal staving from bottom to top, each metallic plate is provided centrally with central through hole, i.e., each metallic plate
Central through hole it is vertical up and down, test sample tube is stretched by the central through hole on each metallic plate inside metal drum body, be vortexed
Probe stretches into the inside of metal staving across test sample tube, realizes detection.Wherein, spacing of multiple metallic plates in metal drum with
The spacing of artificial defect in test sample tube is corresponding, and the spacing of the artificial defect in test sample tube is determined by professional standard
's.
The utility model realizes the parameter selection to eddy detecting instrument, prover using metallic plate simulation support tube sheet
Device parameter, and influence of the support tube sheet to defect detection signal is thus grasped, support the number of tube sheet by the defect of test sample tube
Number determines.The media such as water or oil are injected into metal drum body, can be simulated pipe under test and be surrounded or existed by media such as water, oil
Detection environment, to according to the test parameter of different environmental correction eddy detecting instruments, improve detection sensitivity and accurate
Degree and detection efficiency.In addition, also different holes can be simulated by the material of remetal and the pore size of its central through hole
Influence of ferromagnetism or nonferromagnetic the support tube sheet of diameter to EDDY CURRENT process.
The utility model can analog detection environment inside-through type EDDY CURRENT assistant apparatus structure it is simple, operation letter
Just, the various environment of EDDY CURRENT can be simulated, and are joined according to the test of the different auxiliary corrective eddy detecting instruments of detection environment
Number improves detection sensitivity and accuracy and detection efficiency.
Preferably, the multiple metallic plate spaced set is in the inside of the metal staving.
It is according to the present utility model can analog detection environment inside-through type EDDY CURRENT auxiliary device, multiple metallic plates etc.
Spacing is set to the inside of metal staving, the artificial defect of better analog detection sample pipe, to more accurately obtain support tube
Influence of the plate to defect detection signal improves the accuracy of eddy detecting instrument correction.
Preferably, the metal staving small big tubaeform bucket under being.
Preferably, the multiple metallic plate is overlapped on respectively on the inner wall of the metal staving.
It is according to the present utility model can analog detection environment inside-through type EDDY CURRENT auxiliary device, under metal staving is
Small big tubaeform bucket, the truncated cone-shaped metallic plate of multiple metallic plates small big various outer diameter under being, and each metallic plate
Peripheral surface gradient is identical as the interior draft of metal staving so that the different metallic plate of multiple outer diameters can be overlapped on metal staving
On corresponding position, facilitate picking and placeing for metallic plate, can it is according to the present utility model can analog detection environment inside-through type whirlpool
The use environment of stream detection auxiliary device, flexible remetal, more accurately simulation supports tube sheet, and then improves EDDY CURRENT
Detection sensitivity, accuracy and the detection efficiency of instrument.When only needing simulation pipe under test to be surrounded by media such as water, oil, can incite somebody to action
Metallic plate in metal drum body takes out, and water or oil are injected into metal drum body, is then detected.
Preferably, the upper end of the side wall of the metal staving is provided with medium inlet.
It is according to the present utility model can analog detection environment inside-through type EDDY CURRENT auxiliary device, injected by medium
Mouth injected media into metal drum body, it is convenient and efficient.
Preferably, the bottom of the metal staving is communicated with vertically disposed transparent pipe, it is arranged on the transparent pipe
There is scale.
It is according to the present utility model can analog detection environment inside-through type EDDY CURRENT auxiliary device, the bottom of metal staving
Portion is communicated with vertically disposed transparent pipe, and transparent pipe is used to observe the height of metal drum in-vivo medium；Scale is set on transparent pipe,
The height for facilitating the medium that staff intuitively obtained by scale in metal drum body, is confirmed whether to reach required height
Degree.In addition, the scale being arranged on transparent pipe can also be quarter corresponding with lap position of the metal tube sheets in metal drum body
Degree, directly obtains whether the medium in metal drum body floods metallic plate so as to become apparent from, and more accurately controls medium
Addition.
Description of the drawings
The utility model is described in further details in the following with reference to the drawings and specific embodiments.
Fig. 1 be the utility model can analog detection environment inside-through type EDDY CURRENT auxiliary device a kind of embodiment
Overall structure diagram；
Fig. 2 be the utility model can analog detection environment inside-through type EDDY CURRENT auxiliary device metal staving with
The structural schematic diagram of metallic plate separation.
In figure：1 metal staving；2 metallic plates；3 central through holes；4 medium inlets；5 transparent pipes.
Specific implementation mode
The embodiments of the present invention are described in detail below in conjunction with embodiment, but those skilled in the art
Member will be understood that the following example is merely to illustrate the utility model, and be not construed as limitation the scope of the utility model.
With reference to figure 1, the utility model provide it is a kind of can analog detection environment inside-through type EDDY CURRENT auxiliary device,
Including metal staving 1 and multiple metallic plates 2, the multiple metallic plate 2 is set in turn in the interior of the metal staving 1 from bottom to top
Portion, and each metallic plate 2 is provided centrally with central through hole 3, and the central through hole of multiple metallic plates is vertically aligned up and down；It is described
For central through hole 3 for stretching into test sample tube into the metal staving 1, eddy current probe stretches into the gold across the test sample tube
Belong to the inside of staving 1；Wherein, the spacing phase of the spacing between the multiple metallic plate and the artificial defect in the test sample tube
Deng.
In the embodiment above, multiple metallic plates 2 are successively set on to the inside of metal staving 1, metallic plate 2 from bottom to top
It can be integrally formed with metal staving 1, other fixed forms, such as overlap joint, welding etc. can also be used.In each metallic plate 2
The heart is provided with central through hole 3, i.e. about 3 central through hole of each metallic plate 2 is vertical, and test sample tube is passed through each metallic plate 2
On central through hole 3 stretch into inside metal staving 1, eddy current probe passes through test sample tube to stretch into the inside of metal staving 1, realizes inspection
It surveys.Wherein, spacing of multiple metallic plates in metal drum is corresponding with the spacing of the artificial defect in test sample tube, and detects sample
The spacing of artificial defect on pipe is determined by professional standard.
The utility model realizes the parameter selection to eddy detecting instrument, prover using the simulation support tube sheet of metallic plate 2
Device parameter, and influence of the support tube sheet to defect detection signal is thus grasped, support the number of tube sheet by the defect of test sample tube
Number determines, and the defect number of test sample tube is determined by professional standard, such as in 47013 standards of NB/T, far field whirlpool
It is 5 to flow the artificial defect number in test sample tube.The media such as water or oil are injected into metal staving 1, can be simulated and be waited for test tube
Road is by the encirclement of the media such as water, oil or existing detection environment, to according to the test of different environmental correction eddy detecting instruments
Parameter improves detection sensitivity and accuracy and detection efficiency.In addition, can also by the material of remetal 2 and wherein
The pore size of heart through-hole 3 simulates the influence of the ferromagnetism or nonferromagnetic support tube sheet of different pore size to EDDY CURRENT process.
The utility model can analog detection environment inside-through type EDDY CURRENT assistant apparatus structure it is simple, operation letter
Just, the various environment of EDDY CURRENT can be simulated, and are joined according to the test of the different auxiliary corrective eddy detecting instruments of detection environment
Number improves detection sensitivity and accuracy and detection efficiency.
With reference to figure 1, one embodiment according to the present utility model, 2 spaced set of the multiple metallic plate is in the gold
Belong to the inside of staving 1.
In the embodiment above, in power industry, the artificial defect in test sample tube is spaced set, therefore,
By the utility model can analog detection environment inside-through type EDDY CURRENT auxiliary device in power industry when, Duo Gejin
It is that spaced set is in the inside of metal staving 1 from the bottom to top to belong to plate 2, the thus artificial defect of better analog detection sample pipe,
To more accurately obtain influence of the support tube sheet to defect detection signal, the accuracy of eddy detecting instrument correction is improved.
With reference to figure 2, one embodiment according to the present utility model, the small big tubaeform bucket under being of the metal staving 1.
One embodiment according to the present utility model, the multiple metallic plate 2 are overlapped on the metal staving 1 at equal intervals
Inner wall on.
In the embodiment above, the small big tubaeform bucket under being of metal staving 1, multiple metallic plates 2 are small big under being
The truncated cone-shaped metallic plate 2 of various outer diameter, and the peripheral surface gradient of each metallic plate 2 is identical as the interior draft of metal staving 1, makes
Obtaining the different metallic plate 2 of multiple outer diameters can be overlapped on the corresponding position of metal staving 1, facilitate picking and placeing for metallic plate 2, can
It is according to the present utility model can analog detection environment inside-through type EDDY CURRENT auxiliary device use environment, flexibly replace gold
Belong to plate 2, more accurately simulation support tube sheet, and then improves detection sensitivity, accuracy and the detection efficiency of eddy current testing instrument.When
When simulation pipe under test only being needed to be surrounded by media such as water, oil, the metallic plate 2 in metal staving 1 can be taken out, to metal staving
Injection water or oil, are then detected in 1.
With reference to figure 1 and Fig. 2, one embodiment according to the present utility model, the upper end setting of the side wall of the metal staving 1
There is medium inlet 4.
In the embodiment above, by medium inlet 4 into metal staving 1 injected media, it is convenient and efficient.
With reference to figure 1 and Fig. 2, the bottom of one embodiment according to the present utility model, the metal staving 1 is communicated with vertically
The transparent pipe 5 of setting is provided with scale on the transparent pipe 5.
In the embodiment above, the bottom of metal staving 1 is communicated with vertically disposed transparent pipe 5, and transparent pipe can be glass
Pipe or plastic conduit are connected to by communicating pipe in the bottom of metal staving；Transparent pipe is for observing metal drum in-vivo medium
Highly；Scale is set on transparent pipe, facilitates the height for the medium that staff intuitively obtained by scale in metal drum body, really
Recognize and whether reaches required height.In addition, the scale being arranged on transparent pipe can also be with metal tube sheets in metal drum body
The corresponding scale of lap position, directly obtain whether the medium in metal drum body floods metallic plate so as to become apparent from,
More accurately control the addition of medium.
Obviously, those skilled in the art can carry out the utility model various modification and variations without departing from this practicality
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (6)
1. it is a kind of can analog detection environment inside-through type EDDY CURRENT auxiliary device, which is characterized in that including metal staving and
Multiple metallic plates, the multiple metallic plate are set in turn in the inside of the metal staving from bottom to top, and each metallic plate
It is provided centrally with central through hole；For stretching into test sample tube into the metal drum body, eddy current probe passes through the central through hole
The test sample tube and inside for stretching into the metal staving is detected；Wherein, include from bottom to top in the test sample tube
There are multiple artificial defects, the spacing between the multiple metallic plate is opposite with the spacing of the artificial defect in the test sample tube
It answers.
2. it is according to claim 1 can analog detection environment inside-through type EDDY CURRENT auxiliary device, which is characterized in that
The multiple metallic plate spaced set is in the inside of the metal staving.
3. it is according to claim 1 can analog detection environment inside-through type EDDY CURRENT auxiliary device, which is characterized in that
The metal staving small big tubaeform bucket under being.
4. it is according to claim 3 can analog detection environment inside-through type EDDY CURRENT auxiliary device, which is characterized in that
The multiple metallic plate is overlapped on respectively on the inner wall of the metal staving.
5. it is according to claim 1 can analog detection environment inside-through type EDDY CURRENT auxiliary device, which is characterized in that
The upper end of the side wall of the metal staving is provided with medium inlet.
6. it is according to claim 1 can analog detection environment inside-through type EDDY CURRENT auxiliary device, which is characterized in that
The bottom of the metal staving is communicated with vertically disposed transparent pipe, and scale is provided on the transparent pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820137316.9U CN207882217U (en) | 2018-01-26 | 2018-01-26 | It is a kind of can analog detection environment inside-through type EDDY CURRENT auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820137316.9U CN207882217U (en) | 2018-01-26 | 2018-01-26 | It is a kind of can analog detection environment inside-through type EDDY CURRENT auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207882217U true CN207882217U (en) | 2018-09-18 |
Family
ID=63508378
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820137316.9U Expired - Fee Related CN207882217U (en) | 2018-01-26 | 2018-01-26 | It is a kind of can analog detection environment inside-through type EDDY CURRENT auxiliary device |
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| Country | Link |
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| CN (1) | CN207882217U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111380952A (en) * | 2018-12-29 | 2020-07-07 | 宝武特种冶金有限公司 | Nondestructive testing device and method for dirt and carburization defects of inner wall of seamless steel pipe |
-
2018
- 2018-01-26 CN CN201820137316.9U patent/CN207882217U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111380952A (en) * | 2018-12-29 | 2020-07-07 | 宝武特种冶金有限公司 | Nondestructive testing device and method for dirt and carburization defects of inner wall of seamless steel pipe |
| CN111380952B (en) * | 2018-12-29 | 2023-05-19 | 宝武特种冶金有限公司 | Nondestructive testing device and method for dirt and carburization defects of inner wall of seamless steel tube |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180918 Termination date: 20190126 |
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| CF01 | Termination of patent right due to non-payment of annual fee |