CN215931717U - Device for detecting butt-joint welding seams of small-diameter pipes in batches by X-ray - Google Patents
Device for detecting butt-joint welding seams of small-diameter pipes in batches by X-ray Download PDFInfo
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- CN215931717U CN215931717U CN202121986904.8U CN202121986904U CN215931717U CN 215931717 U CN215931717 U CN 215931717U CN 202121986904 U CN202121986904 U CN 202121986904U CN 215931717 U CN215931717 U CN 215931717U
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Abstract
A device for X-ray batch detection of small-diameter tube butt welds comprises: the device comprises a test piece placing platform, a platform foot rest, a test piece transillumination angle adjusting bracket and an X-ray machine; the test piece placing platform is of a circular ring structure; the platform foot rest is arranged below the test piece placing platform; the X-ray machine is arranged at the circle center of the test piece placing platform; the test piece transillumination angle adjusting bracket is fixed on the test piece placing platform; the test piece transillumination angle adjusting bracket consists of an angle adjusting connecting piece and a supporting frame; the angle adjustment connector includes: the movable plate, the two connecting clamping pieces, the connecting piece screw rod and the connecting piece nut; the support frame is of an L-shaped structure, the support frame is fixed on the movable sheet, and the central axis of the support frame and the circle center of the test piece placing platform are located on the same vertical plane. The utility model can adjust the angle of the test piece transillumination angle adjusting bracket or the height of the platform foot rest, is suitable for X-ray machines in different radiation directions, small-diameter tubes in different specifications and diameters and different transillumination modes, and improves the quality of a radiographic film.
Description
Technical Field
The utility model belongs to the technical field of weld joint detection, and particularly relates to a device for detecting butt weld joints of small-diameter pipes in batches by X-rays.
Background
When radiographic inspection is performed on the small-diameter pipe in the circumferential direction of the welded joint, a double-wall double-image transillumination method is generally adopted, and the transillumination mode comprises an elliptical imaging method and an overlapping imaging method. The superposition imaging method is suitable for detecting small-diameter pipes with the diameter D0 of less than or equal to 20mm, or the wall thickness T of more than 8mm and the weld width g of more than D0/4, or for special conditions such as root cracks and incomplete penetration, defects in weld seams on the ray source side or the film side cannot be clearly distinguished during detection.
When the small-diameter tube ray is detected, an elliptical imaging method is generally adopted under the condition that the condition is met. The commonly used X-ray machine is divided into a directional X-ray machine, a circumferential cone target X-ray machine and a circumferential flat target X-ray machine according to the radiation direction, the radiation forms of the three X-ray machines are different, the directional X-ray machine is a 40-degree conical angle, the radiation angle of the circumferential cone target X-ray machine is +/-15 degrees multiplied by 360 degrees, and the radiation angle of the circumferential flat target X-ray machine is 25 degrees multiplied by 360 degrees. The elliptical imaging method comprises a translation method (for calculating eccentricity) and an inclination method (for calculating inclination angle) for detection, and the radiation angles of different types of ray machines are greatly different, so that the situation that the radiation angle cannot meet the requirement when the small-diameter tube is subjected to transillumination detection by the translation method, and a vertical transillumination mode is adopted is caused.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides an X-ray detection device which is suitable for X-ray machines in different radiation directions, small-diameter tubes in different specifications and diameters and different transillumination use requirements.
The purpose of the utility model is realized by the following technical scheme.
A device for X-ray batch detection of small-diameter tube butt welds comprises: the device comprises a test piece placing platform, a platform foot rest, a test piece transillumination angle adjusting bracket and an X-ray machine; wherein the content of the first and second substances,
the test piece placing platform is of a ring structure and is horizontally arranged; the platform foot rests are arranged below the test piece placing platforms and used for fixing the test piece placing platforms, and a plurality of platform foot rests are arranged; the X-ray machine is arranged at the circle center of the test piece placing platform;
the test piece transillumination angle adjusting bracket is fixed on the test piece placing platform; the test piece transillumination angle adjusting bracket consists of an angle adjusting connecting piece and a supporting frame; the angle adjustment connector includes: the movable plate, the two connecting clamping pieces, the connecting piece screw rod and the connecting piece nut; the two connecting clamping sheets are both provided with a connecting hole A, and the movable sheet is also provided with a connecting hole B matched with the connecting hole A; the two connecting clamping pieces are fixedly arranged on the test piece placing platform, and the movable piece is arranged between the two connecting clamping pieces; the connecting piece screw penetrates through the connecting hole A and the connecting hole B, and the movable piece is fixed on the two connecting clamping pieces through the connecting piece nut; the support frame is of an L-shaped structure, the support frame is fixed on the movable sheet, and the central axis of the support frame and the circle center of the test piece placing platform are positioned on the same vertical plane; the test piece perspective angle adjusting support is provided with a plurality of.
Preferably, the number of the test piece transillumination angle adjusting supports is even, and the test piece transillumination angle adjusting supports are arranged in pairwise symmetry with the circle center of the test piece placing platform as a symmetry point.
Preferably, the support frame is formed by bending a steel plate with the length of 200mm, the width of 40mm and the thickness of 3 mm.
Preferably, the inner diameter of the test piece placing platform is 940mm, and the outer diameter of the test piece placing platform is 980 mm.
Preferably, the movable plate and the connecting clamping plate are machined by a steel plate with the thickness of 3 mm; the diameters of the connecting hole A and the connecting hole B are both 4 mm.
Preferably, the platform foot rest is formed by sleeving more than two sections of loop bars, and the height of the test piece placing platform is adjusted by adjusting the length of the loop bars of the platform foot rest.
The utility model can adjust the angle of the test piece transillumination angle adjusting bracket or the height of the platform foot rest, is suitable for X-ray machines in different radiation directions, can transilluminate the small-diameter tube by an elliptical imaging method (both a translation method and an inclination method) or an overlapping imaging method, and improves the quality of the radiographic negative; the utility model can shoot a plurality of pipe fittings at the same time, ensures the consistency of the detection process of all the pipe fittings and completes the detection task with high quality and high efficiency in a short time.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of a specimen transillumination angle adjustment bracket;
FIG. 4-1 is a schematic view of a movable plate;
FIG. 4-2 is a schematic view of a connection clip;
fig. 5 is a schematic view of the present invention in use.
Detailed Description
Embodiments of the present invention will now be described with reference to the accompanying drawings. It will be appreciated by those skilled in the art that the following examples are illustrative of the utility model only and should not be taken as limiting the scope of the utility model. The specific techniques, connections, conditions, or the like, which are not specified in the examples, are performed according to the techniques, connections, conditions, or the like described in the literature in the art or according to the product specification. The materials, instruments or equipment are not indicated by manufacturers, and all the materials, instruments or equipment are conventional products which can be obtained by purchasing.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention are understood according to specific situations.
Referring to fig. 1 to 5, the present invention provides an apparatus for batch X-ray detection of butt welds of small-diameter tubes, including: the device comprises a test piece placing platform 1, a platform foot rest 2, a test piece transillumination angle adjusting bracket 3 and an X-ray machine 4; wherein the content of the first and second substances,
the test piece placing platform 1 is of a circular ring structure, and the test piece placing platform 1 is horizontally arranged; the platform foot rests 2 are arranged below the test piece placing platform 1 and used for fixing the test piece placing platform 1, and a plurality of platform foot rests 2 are arranged; the X-ray machine 4 is arranged at the circle center of the test piece placing platform 1;
the test piece transillumination angle adjusting bracket 3 is fixed on the test piece placing platform 1; the test piece transillumination angle adjusting bracket 3 consists of an angle adjusting connecting piece 31 and a supporting frame 32; the angle adjusting connection member 31 includes: a movable sheet 311, two connecting clamping sheets 312, a connecting piece screw 313 and a connecting piece nut 314; the two connecting clamping pieces 312 are both provided with a connecting hole A315, and the movable piece 311 is also provided with a connecting hole B316 matched with the connecting hole A315; the two connecting clamping pieces 312 are fixedly arranged on the test piece placing platform 1, and the movable piece 311 is arranged between the two connecting clamping pieces 312; the connecting piece screw 313 penetrates through the connecting hole A315 and the connecting hole B316, the movable piece 311 is fixed on the two connecting clamping pieces 312 through the connecting piece nut 314, when the angle of the movable piece 311 needs to be adjusted, the connecting piece nut 314 only needs to be unscrewed, and then corresponding angle adjustment is carried out; the support frame 32 is an L-shaped structure, the support frame 32 is fixed on the movable plate 311, and the central axis of the support frame 32 and the center of the test piece placing platform 1 are located on the same vertical plane; the test piece transillumination angle adjusting bracket 3 is provided with a plurality of brackets.
Specifically, the support frame 32 is formed by bending a steel plate with the length of 200mm, the width of 40mm and the thickness of 3mm, and can be used for placing the small-diameter pipe 5 with the outer diameter D0 being less than or equal to 100 mm; the test piece placing platform 1 is formed by cutting a steel plate with the thickness of 8mm by plasma according to the focal length of a shooting, the inner diameter of the test piece placing platform is 940mm, the outer diameter of the test piece placing platform is 980mm, so that the focal lengths of all test pieces are kept consistent, and a plurality of small-diameter pipes can be placed at the same time; the movable piece 311 and the connecting clamping piece 312 are machined by a steel plate with the thickness of 3 mm; the diameters of the connection hole a315 and the connection hole B316 are both 4 mm.
According to the further optimized scheme, the number of the test piece transillumination angle adjusting supports 3 is even, and the test piece transillumination angle adjusting supports 3 are arranged in pairwise symmetry with the circle center of the test piece placing platform 1 as a symmetry point.
According to the further optimized scheme, the platform foot rest 2 is formed by sleeving more than two sections of sleeve rods, the height of the test piece placing platform 1 is adjusted by adjusting the length of the sleeve rods of the platform foot rest 2, the adjusting height is 0-200mm, and the adjusting height can be adjusted according to the height of an emission window of an X-ray machine and specific technological parameters.
The angle of the support is adjusted through the test piece transillumination angle adjusting support according to the test piece transillumination angle, the height of the test piece placing platform is adjusted through the platform foot rest according to the offset distance, the angle between the small-diameter tube and the X-ray can be between 0 and 90 degrees, and the transillumination can be carried out on the small-diameter tube by adopting an elliptical imaging method, a translation method or an inclination method or an overlapping imaging method according to the radiation direction of an X-ray machine and specific technological parameters.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any minor modifications, equivalent replacements and improvements made on the above embodiment according to the technical spirit of the present invention should be included in the protection scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a device that is used for X ray batch inspection path pipe butt weld, its characterized in that, the device includes: a test piece placing platform (1), a platform foot rest (2), a test piece transillumination angle adjusting bracket (3) and an X-ray machine (4); wherein the content of the first and second substances,
the test piece placing platform (1) is of a ring structure, and the test piece placing platform (1) is horizontally arranged; the platform foot rests (2) are arranged below the test piece placing platform (1) and used for fixing the test piece placing platform (1), and a plurality of platform foot rests (2) are arranged; the X-ray machine (4) is arranged at the circle center of the test piece placing platform (1);
the test piece transillumination angle adjusting bracket (3) is fixed on the test piece placing platform (1); the test piece transillumination angle adjusting bracket (3) consists of an angle adjusting connecting piece (31) and a supporting frame (32); the angle adjusting connector (31) comprises: the device comprises a movable sheet (311), two connecting clamping sheets (312), a connecting piece screw rod (313) and a connecting piece nut (314); the two connecting clamping pieces (312) are respectively provided with a connecting hole A (315), and the movable piece (311) is also provided with a connecting hole B (316) matched with the connecting hole A (315); the two connecting clamping pieces (312) are fixedly arranged on the test piece placing platform (1), and the movable piece (311) is arranged between the two connecting clamping pieces (312); the connecting piece screw (313) penetrates through the connecting hole A (315) and the connecting hole B (316), and the movable piece (311) is fixed on the two connecting clamping pieces (312) through the connecting piece nut (314); the support frame (32) is of an L-shaped structure, the support frame (32) is fixed on the movable sheet (311), and the central axis of the support frame (32) and the circle center of the test piece placing platform (1) are positioned on the same vertical surface; the test piece transillumination angle adjusting bracket (3) is provided with a plurality of brackets.
2. The device for the batch X-ray detection of the butt weld of the small-diameter pipes according to the claim 1 is characterized in that: the number of the test piece transillumination angle adjusting supports (3) is even, and the test piece transillumination angle adjusting supports (3) are arranged in a pairwise symmetry mode by taking the circle center of the test piece placing platform (1) as a symmetry point.
3. The device for the batch X-ray detection of the butt weld of the small-diameter pipes according to the claim 1 is characterized in that: the support frame (32) is formed by bending a steel plate with the length of 200mm, the width of 40mm and the thickness of 3 mm.
4. The device for the batch X-ray detection of the butt weld of the small-diameter pipes according to the claim 1 is characterized in that: the inner diameter of the test piece placing platform (1) is 940mm, and the outer diameter of the test piece placing platform is 980 mm.
5. The device for the batch X-ray detection of the butt weld of the small-diameter pipes according to the claim 1 is characterized in that: the movable piece (311) and the connecting clamping piece (312) are both machined by a steel plate with the thickness of 3 mm; the diameters of the connecting hole A (315) and the connecting hole B (316) are both 4 mm.
6. The device for the batch X-ray detection of the butt weld of the small-diameter pipes according to the claim 1 is characterized in that: the platform foot rest (2) is formed by sleeving more than two sections of loop bars, and the height of the test piece placing platform (1) is adjusted by adjusting the length of the loop bars of the platform foot rest (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121986904.8U CN215931717U (en) | 2021-08-23 | 2021-08-23 | Device for detecting butt-joint welding seams of small-diameter pipes in batches by X-ray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121986904.8U CN215931717U (en) | 2021-08-23 | 2021-08-23 | Device for detecting butt-joint welding seams of small-diameter pipes in batches by X-ray |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215931717U true CN215931717U (en) | 2022-03-01 |
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ID=80420831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121986904.8U Active CN215931717U (en) | 2021-08-23 | 2021-08-23 | Device for detecting butt-joint welding seams of small-diameter pipes in batches by X-ray |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215931717U (en) |
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2021
- 2021-08-23 CN CN202121986904.8U patent/CN215931717U/en active Active
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