CN207096134U - A kind of ladder pass image quality indicator - Google Patents
A kind of ladder pass image quality indicator Download PDFInfo
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- CN207096134U CN207096134U CN201720392365.2U CN201720392365U CN207096134U CN 207096134 U CN207096134 U CN 207096134U CN 201720392365 U CN201720392365 U CN 201720392365U CN 207096134 U CN207096134 U CN 207096134U
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- image quality
- ladder
- quality indicator
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- pass image
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Abstract
The utility model discloses a kind of ladder pass image quality indicator, including several module standing grooves and several ladder modules, several ladder modules can be partially or entirely placed in module standing groove.According to the material and thickness of workpiece, suitable ladder module is chosen, is placed in module standing groove, be combined into ladder pass image quality indicator to determine the radiographic sensitivity of radiograph.Only need a number of ladder module composition image quality indicator modular system, it is not necessary to buy the image quality indicator of different model to be adapted to the measured workpiece of different materials and thickness, save cost and flexibility is high.
Description
Technical field
It the utility model is related to ray detection field, more particularly to a kind of ladder pass image quality indicator.
Background technology
For ease of quantitative assessment radiographic sensitivity, the conventional people for having certain percentage relation with examined workpiece or weld seam
Work structure, such as wire, hole, groove form so-called image quality indicator.Image quality indicator（As matter indicator, penetrameter）It is measure radiograph
Radiographic sensitivity device, according to the image of the image quality indicator shown on egative film, it can be determined that the quality of film image,
And transillumination technology, film darkroom disposal situation, fault detection ability etc. can be evaluated.
At present, most widely used image quality indicator is mainly three kinds：Wire type image quality indicator, ladder pass image quality indicator, flat board pass
Image quality indicator, in addition with groove profile image quality indicator and mariages image quality indicator etc..Various image quality indicators devise oneself specific structure and details
Form is, it is specified that the method for the measure radiographic sensitivity of oneself.
Ladder pass image quality indicator is processed in the step bar of the material same or like for examined workpiece material
What the hole that diameter is equal to step-thickness made.
Because the difference of workpiece material and thickness is, it is necessary to which image quality indicator from different model, causes image quality indicator use not side
Just.
Utility model content
The utility model is in order to overcome deficiency of the prior art, there is provided one kind can be with independent assortment ladder module with suitable
The ladder pass image quality indicator of workpiece with different materials and thickness.
To achieve these goals, the utility model uses following technical scheme：
A kind of ladder pass image quality indicator, including several module standing grooves and several ladder modules, several joggle dies
Block can be partially or entirely placed in module standing groove.According to the material and thickness of workpiece, suitable joggle die is chosen
Block, it is placed in module standing groove, is combined into ladder pass image quality indicator to determine the radiographic sensitivity of radiograph.Only need
Want a number of ladder module composition image quality indicator modular system, it is not necessary to buy the image quality indicator of different model to be adapted to different materials
The measured workpiece of material and thickness, saves cost and flexibility is high.
Preferably, a kind of described ladder pass image quality indicator is shaped as regular hexagon, module standing groove is around positive six side
Shape center is uniformly distributed, and module standing groove shares 6, and module standing groove is shaped as equilateral triangle.The shape of ladder can change,
Conventional ladder pass image quality indicator is rectangle and regular hexagon, and described ladder pass image quality indicator is shaped into positive six side
Shape, maximum area can be occupied with the material of minimum, save manufacture material.Regular hexagon has 6 symmetry axis, each ladder
Module can be arbitrarily put into operational blocks which partition system standing groove, the sensitivity without influenceing image quality indicator.
Preferably, ladder pass image quality indicator just takes hole in the ladder module that is provided centrally with being easy to taking.
Preferably, image quality indicator mark is provided with each ladder module.Aperture, material should be indicated in image quality indicator ladder module
The marks such as material facilitate operating personnel to identify.
Therefore, the utility model has the advantages that：Can with independent assortment ladder module be adapted to different materials and
The workpiece of thickness.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is top view of the present utility model.
In figure：1st, module standing groove, 2, ladder module, 3, just take hole.
Embodiment
Below by specific embodiment, and with reference to accompanying drawing, the technical solution of the utility model is made more specifically
It is bright.
As shown in Figure 1 and Figure 2, a kind of ladder pass image quality indicator, regular hexagon is shaped as, including around ladder pass image quality indicator
The equally distributed 6 equilateral triangle modules standing groove 1 in center and shape and corresponding 18 of module standing groove 1 are by identical material
It is made but ladder module 2 that thickness is different with diameter.
The making material of ladder module 2 has：Iron, copper, aluminium, titanium.
Hole numbering and image quality indicator material marking are provided with each ladder module 2.
Ladder pass image quality indicator just takes hole 3 the ladder module that is provided centrally with being easy to taking.
The height of each ladder module 2 differs 0.1mm, and various sizes of shoulder hole, thickness are equipped with each ladder module 2
Hole of the ladder module 2 containing two same diameters less than 0.8mm, ladder module 2 of the thickness more than or equal to 0.8mm contain one
Hole, each hole are each perpendicular to the surface of ladder module 2.The center in hole is equal to the distance between step edges distance, two bore edges
More than two aperture sums and it is not less than 1.0mm.
The bottom of each ladder module 2 is provided with sheet metal, the thickness difference 0.1mm per two panels sheet metal.
In the X-ray radiography egative film obtained by ladder pass image quality indicator, the imaging results of image quality indicator are：The background of white
On, show the circular hole images of some different gray scales.Imaging of the measured workpiece on egative film is also white background, and defect is shown as
The region of different gray scales.As can be seen here, ladder pass image quality indicator image quality indicator is consistent with tested imaging background, can avoid due to
Background color is different, caused by observation error.
By the way that the optical density of fault location on the optical density at the circular hole of image quality indicator difference ladder gray scale and measured workpiece is entered
Row compares, further according to optical density on image quality indicator and the corresponding relation of image quality indicator base plate thickness, it can be deduced that the thickness of fault location.
It is not new to this practicality although above-mentioned specific embodiment of the present utility model is described with reference to accompanying drawing
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel need not pay the various modifications that creative work can make or deformation still in protection model of the present utility model
Within enclosing.
Claims (3)
1. a kind of ladder pass image quality indicator, it is characterized in that, including
Including 6 module standing grooves and several ladder modules, several ladder module sections or module is fully placed on
In standing groove, a kind of described ladder pass image quality indicator is shaped as regular hexagon, and the module standing groove is around positive six side
Shape center is uniformly distributed, and the module standing groove is shaped as equilateral triangle.
2. a kind of ladder pass image quality indicator according to claim 1, it is characterized in that, described ladder pass image quality indicator is in
What the heart was provided with ladder module of being easy to take just takes hole.
3. a kind of ladder pass image quality indicator according to claim 1, it is characterized in that, set in described each ladder module
There is image quality indicator mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720392365.2U CN207096134U (en) | 2017-04-14 | 2017-04-14 | A kind of ladder pass image quality indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720392365.2U CN207096134U (en) | 2017-04-14 | 2017-04-14 | A kind of ladder pass image quality indicator |
Publications (1)
| Publication Number | Publication Date |
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| CN207096134U true CN207096134U (en) | 2018-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720392365.2U Active CN207096134U (en) | 2017-04-14 | 2017-04-14 | A kind of ladder pass image quality indicator |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444180A (en) * | 2018-10-24 | 2019-03-08 | 北京卫星制造厂有限公司 | NF series heat insulation material product detection method of X-ray |
| CN110849920A (en) * | 2019-11-28 | 2020-02-28 | 中国航发沈阳黎明航空发动机有限责任公司 | Preparation method and application of image quality measuring block for pipe weld seam radiographic testing |
-
2017
- 2017-04-14 CN CN201720392365.2U patent/CN207096134U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444180A (en) * | 2018-10-24 | 2019-03-08 | 北京卫星制造厂有限公司 | NF series heat insulation material product detection method of X-ray |
| CN109444180B (en) * | 2018-10-24 | 2021-06-11 | 北京卫星制造厂有限公司 | X-ray detection method for NF series heat-proof material products |
| CN110849920A (en) * | 2019-11-28 | 2020-02-28 | 中国航发沈阳黎明航空发动机有限责任公司 | Preparation method and application of image quality measuring block for pipe weld seam radiographic testing |
| CN110849920B (en) * | 2019-11-28 | 2021-12-24 | 中国航发沈阳黎明航空发动机有限责任公司 | Preparation method and application of image quality measuring block for pipe weld seam radiographic testing |
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