CN210514185U - Variable angle ultrasonic probe - Google Patents
Variable angle ultrasonic probe Download PDFInfo
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- CN210514185U CN210514185U CN201920982574.1U CN201920982574U CN210514185U CN 210514185 U CN210514185 U CN 210514185U CN 201920982574 U CN201920982574 U CN 201920982574U CN 210514185 U CN210514185 U CN 210514185U
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Abstract
The utility model discloses a variable angle ultrasonic probe, which comprises a wedge block and a straight probe; the wedge block is provided with a hemispherical groove, the part of a steering ball is arranged in the groove, and the straight probe is connected with the steering ball; the wedge block is connected with a ball cap, a spherical ring surface is arranged in the ball cap, and the radius of the spherical ring surface and the radius of the groove are matched with the radius of the steering ball; coupling agents are arranged between the steering ball and the straight probe and between the wedge block and the steering ball; the ball cap is provided with an oriented screw through threads, and the head of the oriented screw penetrates through the ball cap to be in contact with the steering ball; the utility model discloses can realize the ultrasonic sound beam angle of incidence in the vertical plane continuously adjustable and the ultrasonic sound beam angle of deflection in the horizontal plane continuously adjustable, it has extensive suitability to scan to the oblique parallel of the horizontal defect of tubulose work piece welding seam.
Description
Technical Field
The utility model relates to a variable angle ultrasonic transducer.
Background
The ultrasonic detection technology is one of the main methods of nondestructive detection technology, is mainly used for detecting defects of base metal and welding seams, a probe is a key part of ultrasonic detection, whether the defects exist is judged by the ultrasonic detection through transmitting ultrasonic waves into a workpiece and receiving ultrasonic echo signals inside the workpiece through the probe, the incident angle of the probe is an important parameter of the ultrasonic detection, whether the defects can be detected is directly influenced, and ultrasonic probes with different incident angles are required to be configured for detecting the defects in all directions when the ultrasonic detection is carried out on the welding seams. In order to meet the requirement of detecting defects in all directions by a single probe, an ultrasonic probe with a variable angle needs to be designed; the existing variable-angle ultrasonic probe adopts a cylindrical surface rotating contact mode in a probe wedge block to realize the continuous adjustment of the incident angle of an acoustic beam of the probe on a vertical surface, and only has a one-dimensional adjustable function; for example, when the welding line of a curved surface workpiece is detected or a limited area is detected, because the movement of a wedge block of the probe is limited, the deflection adjustment of an ultrasonic beam on a horizontal plane cannot be realized, and for example, in the detection of the transverse defect of the circumferential welding line of a pipe, the existing variable-angle probe is difficult to adapt to oblique and parallel scanning and has a limited application range.
Disclosure of Invention
The utility model aims at the above-mentioned not enough of prior art, provide a variable angle ultrasonic probe and pipe circumferential weld horizontal defect ultrasonic testing method, it can realize the continuous adjustable of the ultrasonic beam angle of incidence in the vertical plane and the continuous adjustable of ultrasonic beam deflection angle in the horizontal plane, has extensive suitability to the oblique parallel scanning of the horizontal defect of tubular workpiece welding seam.
In order to achieve the above purpose, the angle-variable ultrasonic probe of the utility model comprises a wedge block and a straight probe; the wedge block is provided with a hemispherical groove, a steering ball part is arranged in the groove, and the straight probe is connected with the steering ball; the wedge block is connected with a ball cap, a spherical ring surface is arranged in the ball cap, and the radius of the spherical ring surface and the radius of the groove are matched with the radius of the steering ball; coupling agents are arranged between the steering ball and the straight probe and between the wedge block and the steering ball; the ball cap is provided with an oriented screw through threads, and the head of the oriented screw penetrates through the ball cap to be in contact with the steering ball;
when the ultrasonic probe is used, the steering ball, the wedge block and the ball cap are matched through a spherical surface, and the straight probe can rotate in the two-dimensional direction, so that the continuous adjustment of the ultrasonic sound beam incident angle in a vertical plane and the continuous adjustment of the ultrasonic sound beam deflection angle in a horizontal plane are realized, the directional screw can fix the incident angle of the probe, the limitation of the area is less, and the ultrasonic probe has wide applicability to the oblique parallel scanning of the transverse defects of the welding seam of the tubular workpiece;
as a further improvement of the utility model, the steering ball is fixedly connected with two rotating shafts, the two rotating shafts are positioned in the same diameter direction on the adjacent end surfaces of the wedge block and the ball cap, and the adjacent end surfaces of the wedge block and the ball cap are both provided with annular grooves corresponding to the rotating shafts; the two rotating shafts can provide support for rotation on a vertical plane;
as a further improvement of the utility model, one side of the steering ball is provided with an angle scale which is positioned on a vertical surface, the vertical surface where the angle scale is positioned is vertical to the diameter direction where the two rotating shafts are positioned, and a rotating angle scale which is positioned on a horizontal plane is arranged on the ball cap; the rotation angle of the steering ball is accurately positioned, and the straight probe is convenient to reposition after being replaced;
as a further improvement of the utility model, the straight probe is connected with the steering ball through screw threads; the ball cap is connected to the wedge block through two fastening screws; the assembly and disassembly are convenient;
to sum up, the utility model discloses can realize the continuous adjustable of the ultrasonic sound beam angle of incidence in the vertical plane and the continuous adjustable of ultrasonic sound beam angle of deflection in the horizontal plane, to the oblique parallel scanning of the horizontal defect of tubular workpiece welding seam look into and have extensive suitability.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is an exploded view of fig. 1.
FIG. 3 is a front view of the steering ball of FIG. 2
Fig. 4 is a front view of an embodiment of the present invention.
Fig. 5 is a top view of fig. 4.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, the variable angle ultrasonic probe of this embodiment includes a wedge 1, a straight probe 2; the wedge block 1 is provided with a hemispherical groove 3, a steering ball 4 is partially arranged in the groove 3, and the straight probe 2 is connected with the steering ball 4 through threads; a spherical cap 7 is connected on the wedge block 1 through two fastening screws 6, a spherical ring surface is arranged in the spherical cap 7, and the radius of the spherical ring surface and the radius of the groove 3 are matched with the radius of the steering ball 4; coupling agents are arranged between the steering ball 4 and the straight probe 2 and between the wedge block 1 and the steering ball 4; the ball cap 7 is provided with a directional screw 5 through threads, and the head of the directional screw 5 penetrates through the ball cap 7 to be in contact with the steering ball 4; the steering ball 4 is fixedly connected with two rotating shafts 8, the two rotating shafts 8 are positioned in the same diameter direction on the adjacent end faces of the wedge block 1 and the ball cap 7, and annular grooves corresponding to the rotating shafts 8 are formed in the adjacent end faces of the wedge block 1 and the ball cap 7; an angle scale 9 positioned on a vertical plane is arranged on one side of the steering ball 4, the vertical plane where the angle scale 9 is positioned is vertical to the diameter direction where the two rotating shafts 8 are positioned, and a rotating angle scale 10 positioned on a horizontal plane is arranged on the ball cap 7;
the wedge block 1 and the steering ball 2 are made of organic glass or polystyrene and other excellent sound-transmitting materials; when the ultrasonic probe is used, the steering ball 4 is matched with the wedge block 1 and the ball cap 7 through a spherical surface, so that the straight probe 2 can rotate in a two-dimensional direction, the continuous adjustment of an ultrasonic sound beam incident angle in a vertical plane and the continuous adjustment of an ultrasonic sound beam deflection angle in a horizontal plane are realized, the directional screw 5 can fix the probe incident angle, the limitation of a region is less, and the ultrasonic probe has wide applicability to the oblique parallel scanning of the transverse defects of the welding seam of the tubular workpiece; the two rotating shafts 8 can provide support for rotation on a vertical plane; the angle scale 9 and the rotation angle scale 10 help to accurately position the rotation angle of the steering ball 4, facilitating the repositioning after replacing the straight probe 2.
Claims (4)
1. A variable angle ultrasonic probe comprises a wedge block and a straight probe; the wedge block is provided with a hemispherical groove, a steering ball part is arranged in the groove, and the straight probe is connected with the steering ball; the wedge block is connected with a ball cap, a spherical ring surface is arranged in the ball cap, and the radius of the spherical ring surface and the radius of the groove are matched with the radius of the steering ball; coupling agents are arranged between the steering ball and the straight probe and between the wedge block and the steering ball; the ball cap is provided with an oriented screw through threads, and the head of the oriented screw penetrates through the ball cap to be in contact with the steering ball.
2. The variable angle ultrasonic probe of claim 1, wherein: the steering ball is fixedly connected with two rotating shafts, the two rotating shafts are positioned in the same diameter direction on the adjacent end faces of the wedge block and the ball cap, and annular grooves corresponding to the rotating shafts are formed in the adjacent end faces of the wedge block and the ball cap.
3. The variable angle ultrasonic probe of claim 2, wherein: an angle scale is arranged on one side of the steering ball, the angle scale is located on a vertical surface, the vertical surface where the angle scale is located is perpendicular to the diameter direction where the two rotating shafts are located, and a rotating angle scale is arranged on the ball cap, and the rotating angle scale is located on a horizontal plane.
4. The variable angle ultrasonic probe of claim 3, wherein: the straight probe is connected with the steering ball through threads; the ball cap is connected to the wedge block through two fastening screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920982574.1U CN210514185U (en) | 2019-06-27 | 2019-06-27 | Variable angle ultrasonic probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920982574.1U CN210514185U (en) | 2019-06-27 | 2019-06-27 | Variable angle ultrasonic probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210514185U true CN210514185U (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920982574.1U Active CN210514185U (en) | 2019-06-27 | 2019-06-27 | Variable angle ultrasonic probe |
Country Status (1)
| Country | Link |
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| CN (1) | CN210514185U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110320282A (en) * | 2019-06-27 | 2019-10-11 | 东方电气集团东方锅炉股份有限公司 | Variable-angle ultrasonic probe and pipe circumferential weld transverse defect supersonic detection method |
-
2019
- 2019-06-27 CN CN201920982574.1U patent/CN210514185U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110320282A (en) * | 2019-06-27 | 2019-10-11 | 东方电气集团东方锅炉股份有限公司 | Variable-angle ultrasonic probe and pipe circumferential weld transverse defect supersonic detection method |
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