CN209820333U

CN209820333U - Film evaluation ruler

Info

Publication number: CN209820333U
Application number: CN201920703703.9U
Authority: CN
Inventors: 管文涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2019-12-20
Anticipated expiration: 2029-05-16

Abstract

The utility model provides a film evaluation ruler, which relates to the technical field of nondestructive testing and comprises a ruler body, wherein the ruler body is made of transparent materials, and the ruler body is also provided with scale marks and a mark layer; the ruler body comprises a first ruler body and a second ruler body, and the first ruler body and the second ruler body are connected in a turnover mode, so that the ruler body is in an unfolded or folded state; the marking layer comprises a plurality of evaluation requirements for evaluating various defects, and the evaluation requirements all meet the same evaluation criterion. The utility model provides a film evaluation ruler can fold, and occupation space is little, portable to the information that covers is comparatively comprehensive, generally need not to contrast other standards again when using and can carry out the evaluation of ray film.

Description

Film evaluation ruler

Technical Field

The utility model belongs to the technical field of nondestructive testing technique and specifically relates to a film evaluation ruler is related to.

Background

The film evaluation ruler is a ruler with standard information, is applied to nondestructive testing of pressure-bearing equipment, and comprises ray detection quality grading of the pressure-bearing equipment (container and cylinder) and a pressure pipeline fusion welding butt joint.

In the related technology, the film evaluation ruler is roughly divided into two types, one type of ruler is small in size but carries incomplete information, and for some beginners or people who do not know the detection standard well, the film evaluation ruler needs to be used for detecting the film evaluation standard, so that the use is inconvenient; the other mainstream film evaluation ruler has the defects of more information, longer length, larger occupied space, inconvenience in carrying and easiness in breaking, and the information covered by the mainstream film evaluation ruler is not comprehensive enough, so that the on-site film evaluation ruler is difficult to use in comparison with the standard.

Therefore, how to solve the problems of incomplete information and inconvenient carrying of the film evaluation ruler is a key technical problem to be solved by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a comment a chi, solved the information that is present among the prior art on commenting a chi incomplete, carry inconvenient technical problem. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a film evaluation ruler, which comprises a ruler body, wherein the ruler body is made of transparent materials, and the ruler body is also provided with scale marks and an identification layer;

the ruler body comprises a first ruler body and a second ruler body, and the first ruler body and the second ruler body are connected in a turnover mode, so that the ruler body is in an unfolded or folded state;

the marking layer comprises a plurality of evaluation requirements for evaluating various defects, and the evaluation requirements all meet the same evaluation criterion.

Preferably, the identification layer at least comprises an application standard of a film evaluation ruler, evaluation requirements of different defects, a silk number comparison table of image quality meter, an application range of the film evaluation ruler, a point exchange ruler and evaluation frame, circular defect evaluation requirements and strip defect evaluation requirements.

Preferably, the scale marks comprise a first scale mark and a second scale mark which are respectively arranged on two sides of a connecting line of the first ruler body and the second ruler body.

Preferably, the scale values of the first graduation mark increase sequentially from one end of the first graduation mark to the other end.

Preferably, the zero graduation line of the second graduation line is positioned in the middle of the second graduation line, and the graduation values sequentially increase from the middle to the two ends.

Preferably, the second scale layer is provided with cross-shaped marks with arrows below the zero scale line.

Preferably, the first ruler body and the second ruler body are both 200mm in length and 82.5mm in width.

Preferably, the ruler body is of a one-piece construction.

Preferably, the rule body is made of a plastics material.

Preferably, the film evaluating ruler further comprises a film evaluating standard bag for containing the folded ruler body.

The utility model provides an among the technical scheme, set up the chi body into beta structure, including first chi body and second chi body, when using the plain film chi, can expand it to be provided with various sign layers on the chi body, thereby help the user to assess the defect, the information that covers is more comprehensive, generally need not to carry out the ray film when using again to contrast other standards and assess. After the ruler is used, the ruler body is folded, so that the occupied space is smaller and the ruler is convenient to carry; in addition, still be provided with the scale mark of two kinds of differences on first chi body and the second chi body, be applicable to different situation respectively, can help the user to fix a position the defect fast, it is very convenient to use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a film evaluation ruler with the application standard of NB/T47013-2015 provided by the utility model;

fig. 2 is a schematic diagram of a film evaluation ruler with the applicable standard of SY/T4109-2013 provided by the utility model.

In the figure: 1. a first ruler body; 2. a second ruler body; 3. a first scale mark; 4. a second scale mark; 5. the evaluation requirements of different defects; 6. image quality silk number comparison table; 7. the film evaluation ruler is applicable to the standard; 8. the application range of the film evaluation ruler is wide; 9. a point exchange ruler and an evaluation frame; 10. a circular defect assessment requirement; 11. strip defect assessment requirements; 12. and connecting the wires.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The embodiment provides the radiography ruler which can be folded, occupies a small space, is convenient to carry, has more comprehensive covered information, and can be used for radiography evaluation without contrasting other standards.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1, fig. 2, a comment piece chi, including folding chi body, the chi body adopts transparent material to make, still is provided with scale mark and identification layer on the chi body, the utility model provides a chi body adopts beta structure, and folding back area reduces, and occupation space reduces relatively, portable to because the holistic area of chi body is great, can set up more comprehensive comment piece standard.

Specifically, the chi body includes first chi body 1, second chi body 2, and a side of first chi body 1 and second chi body 2 links together, forms convertible structure, expandes the chi body when using, can fold the chi body and deposit after finishing using.

The utility model provides a two kinds of standards in common use, including NB/T47013-2015 standard and SY/T4109-2013 standard, as shown in figure 1, figure 2 respectively, there are some differences in its evaluation standard, and the application method of two kinds of standards and evaluation rule is prior art.

The marking layer is arranged according to some information needed in common nondestructive detection and at least comprises several or all of the following evaluation requirements, the specific content is determined according to the specific standard, namely, the evaluation requirement 5 of different defects, the image quality and silk number comparison table 6, the evaluation rule application standard 7, the evaluation rule application range 8, the point exchange rule and evaluation frame 9, the circular defect evaluation requirement 10 and the strip defect evaluation requirement 11 are respectively arranged on the first rule body 1 and the second rule body 2, in the preferred embodiment of the utility model, the marking layer on the first rule body 1 comprises the evaluation requirement 5 of different defects, the image quality and silk number comparison table 6, the marking layer on the second rule body 2 comprises the evaluation rule application standard 7, the evaluation rule application range 8, the point exchange rule and evaluation frame 9 and the circular defect evaluation requirement 10, The strip defect assessment requirement is 11, wherein the application range of the film assessment ruler 8 comprises the material, the size and the like of the workpiece to be detected.

The length of first chi body 1 and second chi body 2 is 200mm, and the width is 82.5mm, and length is less than the width, and the relative broad is difficult to the rupture after the chi body is folded to portable.

The scale mark includes first scale mark 3, second scale mark 4, sets up respectively in the both sides of first chi body 1 with 2 connecting wires 12 of second chi body, is suitable for the detection of two kinds of differences respectively.

The scale values of the first scale marks 3 are sequentially increased from one end of the first scale marks 3 to the other end of the first scale marks, the first scale marks 3 are the same as the scale of a conventional ruler, and the conventional lengths such as the length of a weld joint of a pipeline and the distance between defects can be measured; the zero scale mark of the second scale mark 4 is positioned in the middle of the second scale mark 4, the scale values are sequentially increased from the middle to the two ends, and the defect position can be determined by matching the scale marks with the marks on the film evaluating ruler.

When the device is subjected to nondestructive detection, a marking pen is used for making a cross arrow on the surface of a detected workpiece and shooting the cross arrow, then the cross mark on the film evaluation ruler is aligned with the cross arrow on the film, and the center of the mark corresponds to the zero scale line, so that the defect is determined to be positioned behind the arrow or behind the arrow, the accurate position of the defect, namely the accurate distance between the defect and the mark is determined, the defect is compared and exchanged with the point exchange ruler and the evaluation frame 9, and the strip defect evaluation requirement 11 or the circular defect evaluation requirement 10 is selected to be graded according to the shape of the defect.

Chi body formula structure as an organic whole, the wholeness is stronger, prevents that partly to lose and leads to commenting on the unable use of piece chi, and the material is preferred transparent plastics material.

The utility model discloses still including commenting the piece standard bag for the splendid attire is folding the chi body is commented the size of piece standard bag and is commented piece chi phase-match, and adopts transparent plastic to make, and the piece standard bag is commented to the permeable sees and commends the relevant standard information on the piece chi, still can play the guard action to commenting the piece chi, and portable.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The film evaluation ruler is characterized by comprising a ruler body, wherein the ruler body is made of transparent materials, and scale marks and an identification layer are further arranged on the ruler body;

the ruler body comprises a first ruler body (1) and a second ruler body (2), wherein the first ruler body (1) and the second ruler body (2) are connected in a turnover mode, so that the ruler body is in an unfolded or folded state, and the ruler body is of an integrated structure and is made of plastic materials;

2. The film evaluation ruler of claim 1, wherein the identification layer at least comprises an application standard (7) of the film evaluation ruler, evaluation requirements (5) of different defects, a picture quality and silk number comparison table (6), an application range (8) of the film evaluation ruler, a point exchange ruler and evaluation frame (9), a circular defect evaluation requirement (10) and a strip defect evaluation requirement (11).

3. The film scoring ruler as claimed in claim 1, wherein the graduation marks comprise a first graduation mark (3) and a second graduation mark (4) which are respectively arranged on two sides of a connecting line (12) between the first ruler body (1) and the second ruler body (2).

4. The slide rule according to claim 3, characterized in that the scale values of the first graduation marks (3) increase in order from one end of the first graduation marks (3) to the other.

5. The slide rule according to claim 3, wherein the zero graduation mark of the second graduation mark (4) is located in the middle of the second graduation mark (4), and the scale values increase from the middle to both ends.

6. The slide rule according to claim 5, wherein the second scale layer is provided with a cross mark with an arrow below the zero scale line.

7. The slide rule according to claim 1, wherein the first rule body (1) and the second rule body (2) are both 200mm in length and 82.5mm in width.

8. The blade scoring ruler of claim 1, further comprising a blade scoring standard pocket for receiving the folded ruler body.