CN210427474U - Ultrasonic flaw detector auxiliary device for detecting welding seam in narrow space - Google Patents
Ultrasonic flaw detector auxiliary device for detecting welding seam in narrow space Download PDFInfo
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- CN210427474U CN210427474U CN201921208530.XU CN201921208530U CN210427474U CN 210427474 U CN210427474 U CN 210427474U CN 201921208530 U CN201921208530 U CN 201921208530U CN 210427474 U CN210427474 U CN 210427474U
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Abstract
The utility model discloses an ultrasonic flaw detector auxiliary device is used in narrow and small space internal weld detection, including probe handle and adjustable probe fixing device, adjustable probe fixing device locates on the inner of probe handle, and adjustable probe fixing device is used for fixed ultrasonic transducer. The utility model discloses fix ultrasonic transducer on adjustable probe fixing device, through the probe handle, can stretch into ultrasonic transducer and accomplish the welding seam in narrow and small space and detect, can not receive the little influence of operating space, can solve and hold the problem that ultrasonic transducer is difficult to stretch into in the narrow and small space.
Description
Technical Field
The utility model belongs to the technical field of steel construction welding seam detects, concretely relates to narrow and small space internal weld detects uses ultrasonic flaw detector auxiliary device.
Background
The steel structure has the advantages of high strength, light dead weight, good integral rigidity, strong deformation resistance and the like, and is more and more widely applied to the fields of buildings, ships, aerospace and the like. Welding is a common mode for connecting parts of a steel structure, the welding quality directly determines the quality of a steel structure product, and therefore how to detect the quality of a steel structure welding seam is an important link in the manufacturing process of the steel structure.
Common methods for detecting welding seams include: radiographic inspection, ultrasonic inspection, penetrant inspection, magnetic particle inspection, and the like. Among them, ultrasonic flaw detection is very commonly used because of its advantages of strong penetration ability, high sensitivity, no radiation, accurate detection, only needing to approach the object to be detected from one side, being able to provide the result of flaw detection immediately, simple operation, etc. The conventional operation flow of ultrasonic flaw detection comprises the steps of selecting a proper instrument probe, holding the instrument with one hand, holding the probe with the other hand, enabling the probe to be perpendicular to the direction of a weld crater and performing sawtooth type scanning along the direction of the weld crater, and moving the probe back and forth to search for weld defects. Due to special functions and stress requirements of some steel components, welding seams of the steel components are in narrow spaces, and according to a conventional operation method of ultrasonic flaw detection, the steel components lack operation spaces required by detection, and are difficult to accurately detect or detect the quality of the welding seams.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the above-mentioned insufficiency that exists among the prior art, provide an ultrasonic flaw detector auxiliary device for weld detection in narrow and small space, fix ultrasonic probe on adjustable probe fixing device, through the probe handle, can stretch into ultrasonic probe and accomplish the weld detection in the narrow and small space, can not receive the little influence of operating space, can solve and hold the problem that ultrasonic probe is difficult to stretch into in the narrow and small space.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a weld detects uses ultrasonic flaw detector auxiliary device in narrow and small space which characterized in that: the ultrasonic probe fixing device comprises a probe handle and an adjustable probe fixing device, wherein the adjustable probe fixing device is arranged at the inner end of the probe handle, and the adjustable probe fixing device is used for fixing the ultrasonic probe. The utility model discloses fix ultrasonic transducer on adjustable probe fixing device, through the probe handle, can stretch into ultrasonic transducer and accomplish the welding seam in narrow and small space and detect, can not receive the little influence of operating space, can solve and hold the problem that ultrasonic transducer is difficult to stretch into in the narrow and small space.
Furthermore, the adjustable probe fixing device is rotatably connected to the inner end of the probe handle, the setting angle of the adjustable probe fixing device can be adjusted, the angle between the ultrasonic probe and the probe handle can be adjusted, and therefore the surface of the ultrasonic probe can be fully and uniformly contacted with a coupling agent, and detection precision is guaranteed.
Furthermore, the adjustable probe fixing device is provided with a rotatable connecting device, the inner end of the probe handle penetrates into the rotatable connecting device, the rotatable connecting device and the inner end of the probe handle are rotatably connected through an axial rotating connecting piece, the adjustable probe fixing device is rotatably connected to the inner end of the probe handle, and the adjustable probe fixing device does not collide with the inner end of the probe handle in the rotating process.
Further, the axial rotation connecting piece comprises a split screw and an adjusting knob arranged on the split screw, the split screw penetrates through a first split bolt hole at the inner end of the probe handle and a second split bolt hole of the rotatable connecting device, and the adjusting knob is screwed on the rotatable connecting device. So that the probe handle can rotate in the front and back direction by taking the counter-pulling screw rod as an axis; the adjusting knob is used for adjusting the tightness degree of the axial rotation connecting piece, is generally designed into a rough surface, increases friction when being convenient for twisting, and facilitates quick adjustment of the fastening degree between the axial rotation connecting piece and the probe handle.
Furthermore, the rotatable connecting device is provided with a notch groove, and the notch groove and the inner end of the probe handle are correspondingly arranged, so that the probe handle has enough space to rotate.
Furthermore, adjustable probe fixing device includes sleeve and adjusting bolt, but sleeve and swivelling joint device threaded connection, adjusting bolt threaded connection on the sleeve, and adjusting bolt is used for fixed ultrasonic probe, realizes the fixed ultrasonic probe of adjustable probe fixing device, and applicable in the fixed of the ultrasonic probe of different specifications moreover, application scope is wide.
Furthermore, the number of the adjusting bolts is four, and generally, the four adjusting bolts are located on the same horizontal plane, so that the ultrasonic probe is fixed from four directions, and the stability of fixing the ultrasonic probe is improved.
Furthermore, the end part of the adjusting bolt is provided with a protective gasket, and the protective gasket is tightly attached to the ultrasonic probe. The protective pad is made of rubber and is bonded with the adjusting bolt through glue to form a whole. The protective gasket can increase the frictional resistance between the protective gasket and the ultrasonic probe and is used for fixing the ultrasonic probe; and the rubber material is comparatively soft, replaces bolt and ultrasonic transducer contact, avoids adjusting bolt superhard scratch ultrasonic transducer, plays the guard action to ultrasonic transducer.
Furthermore, the surface of the outer end of the probe handle is provided with anti-skid lines, so that the anti-skid function is achieved.
Further, the probe handle is hollow pipe, can make the inside of wearing to locate the probe handle of the circuit of connecting ultrasonic probe, and then makes the utility model discloses can freely stretch into narrow and small space in a flexible way and survey.
The utility model discloses owing to adopted above-mentioned technical scheme, following beneficial effect has:
1. the utility model discloses fix ultrasonic transducer on adjustable probe fixing device, through the probe handle, can stretch into ultrasonic transducer and accomplish the welding seam in narrow and small space and detect, can not receive the little influence of operating space, can solve and hold the problem that ultrasonic transducer is difficult to stretch into in the narrow and small space.
2. The utility model discloses well adjustable probe fixing device rotates to be connected on the inner end of probe handle, and the concrete design is: the adjustable probe fixing device is provided with a rotatable connecting device, the inner end of the probe handle penetrates into the rotatable connecting device, and the rotatable connecting device and the inner end of the probe handle are connected in a rotating mode through an axial rotating connecting piece. Therefore, the setting angle of the adjustable probe fixing device can be adjusted to adjust the angle between the ultrasonic probe and the probe handle, so that the surface of the ultrasonic probe can be ensured to be fully and uniformly contacted with the coupling agent, and the detection precision is ensured; and the adjustable probe fixing device does not collide with the inner end of the probe handle in the rotating process.
3. The utility model discloses an adjustable probe fixing device includes sleeve and adjusting bolt, sleeve and rotatable connecting device threaded connection, adjusting bolt threaded connection on the sleeve, and adjusting bolt is used for fixed ultrasonic transducer, realizes the fixed ultrasonic transducer of adjustable probe fixing device, and applicable in the ultrasonic transducer's of different specifications fixed moreover, application scope is wide.
4. The utility model is small in volume and convenient to carry; the material can be repeatedly used, and has better economic performance; and the working principle is simple, and the operation is convenient.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
FIG. 1 is a schematic structural view of an auxiliary device of an ultrasonic flaw detector for detecting a weld in a narrow space according to the present invention;
FIG. 2 is a schematic structural view of a probe handle of the present invention;
FIG. 3 is a schematic structural view of the axial rotation connector of the present invention;
FIG. 4 is a schematic view of a rotatable connection device according to the present invention;
fig. 5 is a schematic structural view of the adjustable probe fixing device of the present invention;
fig. 6 is a schematic structural view of the ultrasonic probe fixed by the adjustable probe fixing device of the present invention.
In the figure, 1-probe handle; 2-adjustable probe fixing device; 3-an ultrasonic probe; 4-a rotatable connection; 5-axial rotation connection; 6-oppositely pulling the screw rod; 7-adjusting knob; 8-a first split bolt hole; 9-a second split bolt hole; 10-a notch groove; 11-a sleeve; 12-adjusting the bolt; 13-a protective gasket; 14-non-slip pattern.
Detailed Description
As shown in fig. 1 to 6, for the utility model discloses an ultrasonic flaw detector auxiliary device for detecting weld in narrow and small space, including probe handle 1 and adjustable probe fixing device 2, adjustable probe fixing device 2 is located on the inner of probe handle 1, and adjustable probe fixing device 2 is used for fixed ultrasonic probe 3.
The surface of the outer end of the probe handle 1 is provided with anti-skid lines 14 which play a role of anti-skid. Probe handle 1 is hollow pipe, can make the circuit of connecting ultrasonic probe 3 wear to locate probe handle 1's inside, and then makes the utility model discloses can freely stretch into narrow and small space in a flexible way and survey.
Adjustable probe fixing device 2 rotates to be connected on the inner of probe handle 1, can adjust adjustable probe fixing device 2's angle that sets up for adjust the angle between ultrasonic probe 3 and the probe handle 1, thereby guarantee that the surface of ultrasonic probe 3 can be abundant, evenly contact couplant, guarantee detection accuracy. The adjustable probe fixing device 2 is provided with a rotatable connecting device 4, the inner end of the probe handle 1 penetrates into the rotatable connecting device 4, the rotatable connecting device 4 and the inner end of the probe handle 1 are rotatably connected through an axial rotating connecting piece 5, the adjustable probe fixing device 2 is rotatably connected to the inner end of the probe handle 1, and the adjustable probe fixing device 2 does not collide with the inner end of the probe handle 1 in the rotating process. The axial rotating connecting piece 5 comprises a counter-pull screw rod 6 and an adjusting knob 7 arranged on the counter-pull screw rod 6, the counter-pull screw rod 6 penetrates through a first counter-pull bolt hole 8 at the inner end of the probe handle 1 and a second counter-pull bolt hole 9 of the rotatable connecting device 4, and the adjusting knob 7 is screwed on the rotatable connecting device 4. So that the probe handle 1 can rotate in the front and rear direction by taking the counter-pulling screw rod 6 as an axis; the adjusting knob 7 is used for adjusting the tightness degree of the axial rotation connecting piece 5, is generally designed into a rough surface, is convenient for increasing friction during torsion, and is convenient for quickly adjusting the fastening degree between the axial rotation connecting piece 5 and the probe handle 1. The rotatable connecting device 4 is provided with a notch groove 10, and the notch groove 10 is correspondingly arranged with the inner end of the probe handle 1, so that the probe handle 1 has enough space to rotate.
Adjustable probe fixing device 2 includes sleeve 11 and adjusting bolt 12, and 4 threaded connection of sleeve 11 and rotatable connecting device, adjusting bolt 12 threaded connection are on sleeve 11, and adjusting bolt 12 is used for fixed ultrasonic probe 3, realizes the fixed ultrasonic probe 3 of adjustable probe fixing device 2, and applicable in the fixed of the ultrasonic probe 3 of different specifications moreover, application scope is wide. The number of the adjusting bolts 12 is four, and generally, the four adjusting bolts 12 are located on the same horizontal plane, so that the ultrasonic probe 3 is fixed from four directions, and the stability of fixing the ultrasonic probe 3 is improved. The end of the adjusting bolt 12 is provided with a protective washer 13, and the protective washer 13 is tightly attached to the ultrasonic probe 3. The protective pad 13 is made of rubber and is bonded with the adjusting bolt 12 through glue to form a whole. The protective pad 13 can increase the frictional resistance with the ultrasonic probe 3 and is used for fixing the ultrasonic probe 3; and the rubber material is comparatively soft, replaces the bolt and contacts with ultrasonic transducer 3, avoids adjusting bolt 12 excessively hard scratch ultrasonic transducer 3, plays the guard action to ultrasonic transducer 3.
The utility model discloses in operation process:
(1) a line which is not connected with the ultrasonic probe 3 penetrates into the probe handle 1 and the rotatable connecting device 4;
(2) installing an ultrasonic probe 3;
(3) the adjustable probe fixing device 2 is connected and fixed on the rotatable connecting device 4 through a sleeve 11;
(4) the ultrasonic probe 3 is fixed in the adjustable probe fixing device 2 by screwing the adjusting bolt 12;
(5) adjusting the tightness of the axial rotating connecting piece 5 by using an adjusting knob 7 according to the environment of the welding line to be detected, and screwing the adjusting knob 7 to fix the angle after the angle is adjusted;
(6) and (3) holding the probe handle 1 by hand, and extending the ultrasonic probe 3 into a narrow space to the surface of the weld joint to finish the weld joint detection.
The utility model discloses fix ultrasonic probe 3 on adjustable probe fixing device 2, through probe handle 1, can stretch into ultrasonic probe 3 and accomplish the welding seam in the narrow and small space and detect, can not receive the little influence of operating space, can solve and hold the problem that ultrasonic probe 3 is difficult to stretch into in the narrow and small space.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to solve the same technical problems and achieve the same technical effects are all covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides a weld detects uses ultrasonic flaw detector auxiliary device in narrow and small space which characterized in that: the ultrasonic probe fixing device comprises a probe handle and an adjustable probe fixing device, wherein the adjustable probe fixing device is arranged at the inner end of the probe handle, and the adjustable probe fixing device is used for fixing the ultrasonic probe.
2. The ultrasonic flaw detector auxiliary device for detecting the weld in the narrow space according to claim 1, characterized in that: the adjustable probe fixing device is rotatably connected to the inner end of the probe handle.
3. The ultrasonic flaw detector auxiliary device for detecting the weld in the narrow space according to claim 2, characterized in that: the adjustable probe fixing device is provided with a rotatable connecting device, the inner end of the probe handle penetrates into the rotatable connecting device, and the rotatable connecting device is rotatably connected with the inner end of the probe handle through an axial rotating connecting piece.
4. The ultrasonic flaw detector auxiliary device for detecting the weld in the narrow space according to claim 3, characterized in that: the axial rotation connecting piece comprises a counter-pull screw and an adjusting knob arranged on the counter-pull screw, the counter-pull screw penetrates through a first counter-pull bolt hole at the inner end of the probe handle and a second counter-pull bolt hole of the rotatable connecting device, and the adjusting knob is screwed on the rotatable connecting device.
5. The ultrasonic flaw detector auxiliary device for detecting the weld in the narrow space according to claim 3, characterized in that: the rotatable connecting device is provided with a notch groove, and the notch groove and the inner end of the probe handle are correspondingly arranged.
6. The ultrasonic flaw detector auxiliary device for detecting the weld in the narrow space according to claim 3, characterized in that: the adjustable probe fixing device comprises a sleeve and an adjusting bolt, the sleeve is in threaded connection with the rotatable connecting device, the adjusting bolt is in threaded connection with the sleeve, and the adjusting bolt is used for fixing the ultrasonic probe.
7. The ultrasonic flaw detector auxiliary device for detecting the weld in the narrow space according to claim 6, characterized in that: the number of the adjusting bolts is four.
8. The ultrasonic flaw detector auxiliary device for detecting the weld in the narrow space according to claim 6, characterized in that: and a protective gasket is arranged at the end part of the adjusting bolt and is tightly attached to the ultrasonic probe.
9. The ultrasonic flaw detector auxiliary device for detecting the weld in the narrow space according to claim 1, characterized in that: the surface of the outer end of the probe handle is provided with anti-skid lines.
10. The ultrasonic flaw detector auxiliary device for detecting the weld in the narrow space according to claim 1, characterized in that: the probe handle is a hollow round tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921208530.XU CN210427474U (en) | 2019-07-29 | 2019-07-29 | Ultrasonic flaw detector auxiliary device for detecting welding seam in narrow space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921208530.XU CN210427474U (en) | 2019-07-29 | 2019-07-29 | Ultrasonic flaw detector auxiliary device for detecting welding seam in narrow space |
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| Publication Number | Publication Date |
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| CN210427474U true CN210427474U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921208530.XU Active CN210427474U (en) | 2019-07-29 | 2019-07-29 | Ultrasonic flaw detector auxiliary device for detecting welding seam in narrow space |
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| CN (1) | CN210427474U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264725A (en) * | 2021-12-30 | 2022-04-01 | 合肥火眼智能科技有限公司 | Handheld general ultrasonic flaw detector |
-
2019
- 2019-07-29 CN CN201921208530.XU patent/CN210427474U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264725A (en) * | 2021-12-30 | 2022-04-01 | 合肥火眼智能科技有限公司 | Handheld general ultrasonic flaw detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 311400 No.18, Changkou East Street, Changkou Town, Fuyang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Zhongnan Lvjian Technology Group Co.,Ltd. Address before: No.245, BINKANG Road, Binjiang District, Hangzhou City, Zhejiang Province 310052 Patentee before: ZHEJIANG ZHONGNAN CONSTRUCTION GROUP STEEL STRUCTURE Co.,Ltd. |
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| CP03 | Change of name, title or address |