CN108303468B - Ultrasonic detection probe positioning device - Google Patents
Ultrasonic detection probe positioning device Download PDFInfo
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- CN108303468B CN108303468B CN201810062371.0A CN201810062371A CN108303468B CN 108303468 B CN108303468 B CN 108303468B CN 201810062371 A CN201810062371 A CN 201810062371A CN 108303468 B CN108303468 B CN 108303468B
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- 239000000523 sample Substances 0.000 title claims abstract description 71
- 238000001514 detection method Methods 0.000 title claims abstract description 30
- 230000009471 action Effects 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 abstract description 6
- 230000001808 coupling effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/225—Supports, positioning or alignment in moving situation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention relates to an ultrasonic detection probe positioning device, which comprises a probe, a positioning frame and an elastic mounting piece, wherein a sliding block is fixedly arranged at the lower part of the positioning frame, the probe is mounted in the positioning frame through the elastic mounting piece, and the elastic mounting piece controls the probe to be self-adaptively attached to the surface of a workpiece to be detected. The invention can ensure that the detection probe is stably attached to the surface of the workpiece to be detected in an ideal posture and always keeps proper pressing force, thereby realizing ideal coupling effect and further obtaining effective scanning signals.
Description
Technical Field
The invention relates to the field of nondestructive testing, in particular to an ultrasonic testing probe positioning device.
Background
With the development of modern industry, the increase of product complexity and the improvement of product reliability requirements of people, the ultrasonic detection technology plays an increasingly important role in product quality control, becomes an important means for controlling product manufacturing quality and guaranteeing safe operation of equipment, and is widely applied in a plurality of industries. In the ultrasonic detection process, in order to obtain an effective scanning signal, the detection probe or a probe wedge block is required to be stably attached to the surface of a workpiece to be detected in an ideal posture during moving scanning, so that an ideal coupling effect is realized. In order to meet the requirements of the attaching gesture and keep proper pressing force all the time in a longer detection process, the traditional manual handheld operation forms high labor intensity, and in actual operation, the standard and stability of detection information are difficult to improve. Meanwhile, the positioning and bonding of the probe and the probe wedge block also form a technical difficulty to be overcome for the emerging automatic ultrasonic detection technology.
The invention relates to an automatic phased array ultrasonic detection method for welding seams of a main pipeline of a nuclear power station, which is provided with an application number 201610545130.2, wherein a probe wedge block and a solid flexible coupling medium are assembled into a coupling tool; and fixing the coupling tool on the scanning device by using the probe bracket. However, the structure does not carry out the self-adaptive and self-holding design of the detection surface on the probe wedge tool, and in actual use, the probe wedge is not easy to be ensured to be stably attached all the time so as to form an ideal coupling effect, and effective detection data are obtained.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provide an ultrasonic detection probe positioning device. The invention can ensure that the detection probe is stably attached to the surface of the workpiece to be detected in an ideal posture and always keeps proper pressing force, thereby realizing ideal coupling effect and further obtaining effective scanning signals.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
ultrasonic testing probe positioner, including the probe, its characterized in that: still include locating frame and elastic mounting spare, the fixed slider that is provided with in locating frame lower part, the probe passes through elastic mounting spare and installs in the locating frame, elastic mounting spare control probe self-adaptation laminating is on waiting to examine the work piece surface.
The elastic mounting piece comprises a clamping frame, guide posts and springs, the probes are fixedly arranged in the clamping frame, the guide posts are vertically and symmetrically movably connected to the positioning frame, the clamping frame is movably connected between the guide posts, the springs are sleeved on the guide posts, and the springs are located between the positioning frame and the clamping frame.
The positioning frame is a square frame body, through holes are formed in two symmetrical edges of the square frame body, and the guide posts are located in the through holes.
The clamping frame is hinged with the guide post through a rotating shaft.
And a limiting block is arranged at the top end of the guide post.
The lower part of the positioning frame is also fixedly provided with a magnet, a gap is reserved between the magnet and a workpiece to be detected, and the gap adsorption force of the magnet is larger than the elastic force of the spring.
And a standard plug-in interface is arranged on the positioning frame.
The invention has the advantages that:
1. the probe is movably connected in the positioning outer frame through the elastic mounting piece, so that the aim of enabling the probe to be stably attached to the surface of a workpiece to be detected in an ideal posture during scanning is fulfilled; the bottom surface of the positioning frame is fixedly provided with a sliding block, and the sliding block is contacted with the surface of the workpiece to be detected, so that the purpose of stably supporting the positioning frame can be achieved.
2. The probe is fixedly arranged in the clamping frame, so that the purpose of enabling the clamping frame to drive the probe is achieved, various workpieces can be detected, and meanwhile, the accuracy of detection results can be guaranteed. The guide posts are vertically and symmetrically movably connected to the positioning frame, and the symmetrically arranged guide posts can keep the probe stable. The spring is sleeved on the guide post, and the spring is positioned between the positioning frame and the clamping frame, so that the spring can obtain the external force of the positioning frame and then transmit the force to the clamping frame, the clamping frame can move, the probe can better contact with the surface of a workpiece, and the detection is completed.
3. The positioning frame is provided with the through holes, and the guide posts are positioned in the through holes, so that the guide posts have the advantage of vertical movement.
4. One end of the guide post is hinged with the clamping frame through the rotating shaft, the other end of the guide post movably penetrates through the through hole in the positioning frame, and the guide post is sleeved with a pressure spring. The stroke of the pressure spring and the arrangement of the rotating shaft enable the probe to be self-adaptive when being attached to the surface of the workpiece to be detected, and the probe can be attached to the workpiece to be detected in an ideal posture, so that detection information is obtained. The through holes on the positioning frame enable the guide posts to move up and down in the through holes.
Fifthly, the limiting block is arranged on the top end of the guide post, and the limiting block can ensure that the guide post cannot fall off from the through hole when moving in the through hole.
6. According to the invention, the magnet is arranged on the periphery of the positioning frame, the height of the magnet is smaller than that of the sliding block, the magnetic force of the magnet is larger than the pressing force of the pressure spring, when the sliding block is attached to the surface of a workpiece to be detected, a gap is reserved between the magnet and the workpiece to be detected, the workpiece to be detected is adsorbed in a gap, the positioning frame is subjected to downward force, the pressure spring is compressed, so that the probe is attached to the workpiece to be detected better, and the whole device is attached to the surface of the workpiece to be detected stably so as not to be separated accidentally.
7. The standard plug-in interface is arranged on the positioning outer frame, so that the device can be modularized, and the quick replacement of different detection probes on related operating mechanisms is facilitated.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic view of another perspective structure of the present invention;
the reference numerals in the figures are: 1. the device comprises a workpiece to be detected, 2, a probe, 3, a clamping frame, 4, a guide pillar, 5, a spring, 6, a rotating shaft, 7, a positioning frame, 8, a magnet, 9, a sliding block, 10, a standard socket, 11 and a limiting block.
Detailed Description
Example 1
The ultrasonic detection probe positioning device comprises a probe 2, a positioning frame 7 and an elastic mounting piece, wherein a sliding block 9 is fixedly arranged at the lower part of the positioning frame 7, the probe 2 is mounted in the positioning frame 7 through the elastic mounting piece, and the elastic mounting piece controls the probe 2 to be self-adaptively attached to the surface of a workpiece 1 to be detected.
Under the control of the elastic mounting piece, the position of the probe 2 can be adjusted to adapt to the position of the workpiece 1 to be detected, so that the probe 2 can be effectively attached to the workpiece 1 to be detected.
Further, the elastic mounting piece comprises a clamping frame 3, guide posts 4 and springs 5, the probe 2 is fixedly arranged in the clamping frame 3, the guide posts 4 are vertically and symmetrically movably connected to the positioning frame 7, the clamping frame 3 is movably connected between the guide posts 4, the springs 5 are sleeved on the guide posts 4, and the springs 5 are located between the positioning frame 7 and the clamping frame 3.
Further, the positioning frame 7 is a square frame body, through holes are formed in two symmetrical edges of the square frame body, the guide posts 4 are located in the through holes, the guide posts 4 can move up and down in the through holes, and the limiting blocks 11 are arranged on the top ends of the guide posts 4, so that the guide posts 4 can be effectively prevented from being separated from the through holes.
Furthermore, the clamping frame 3 is hinged with the guide post 4 through a rotating shaft 6, and the specific position of the rotating shaft 6 adopts a safety height design h & gtmu/b, wherein b is the distance from the rotating shaft 6 to the side edge of the guide post 4, mu is the sliding friction coefficient between the probe 2 and the surface of the workpiece 1 to be detected, and the safety height design of the position of the rotating shaft 6 ensures that the probe 2 does not topple under the combined action of the pressure and the sliding friction force of the spring 5.
In the use process of the invention, the sliding block 9 arranged on the bottom surface of the positioning frame 7 is contacted with the surface of the workpiece 1 to be detected, the positioning frame 7 is stably supported on the workpiece 1 to be detected, the pressing force of the spring 9 is based on the positioning frame 7, the probe 2 is stably pressed on the surface of the workpiece 1 to be detected, and the stroke of the spring 5 and the arrangement of the rotating shaft 6 enable the probe 2 to be self-adaptive when being attached to the surface of the workpiece 1 to be detected. The probe 2 is stably attached to the surface of the workpiece 1 to be detected in an ideal posture, and always keeps proper pressing force, so that an ideal coupling effect is realized, and an effective scanning signal is obtained. In the ultrasonic detection process, the whole device slides relatively with the workpiece 1 to be detected in ultrasonic detection scanning.
The ultrasonic detection probe positioning device can be particularly suitable for detection probes of various types and specifications according to different size designs, covers conventional ultrasonic probes, phased array ultrasonic probes, TOFD ultrasonic probes and the like, and can be used for different modes of manual detection or automatic detection. Furthermore, the standard interface 10 with uniform specification is arranged on the fixed outer frame 7, so that the device is modularized, and the quick replacement of different detection probes on related operating mechanisms is facilitated.
Example 2
The ultrasonic detection probe positioning device comprises a probe 2, a positioning frame 7 and an elastic mounting piece, wherein a sliding block 9 is fixedly arranged at the lower part of the positioning frame 7, the probe 2 is mounted in the positioning frame 7 through the elastic mounting piece, and the elastic mounting piece controls the probe 2 to be self-adaptively attached to the surface of a workpiece 1 to be detected.
Further, the elastic mounting piece comprises a clamping frame 3, guide posts 4 and springs 5, the probe 2 is fixedly arranged in the clamping frame 3, the guide posts 4 are vertically and symmetrically movably connected to the positioning frame 7, the clamping frame 3 is movably connected between the guide posts 4, the springs 5 are sleeved on the guide posts 4, and the springs 5 are located between the positioning frame 7 and the clamping frame 3.
Further, the positioning frame 7 is a square frame body, through holes are formed in two symmetrical edges of the square frame body, the guide posts 4 are located in the through holes, the guide posts 4 can move up and down in the through holes, and the limiting blocks 11 are arranged on the top ends of the guide posts 4, so that the guide posts 4 can be effectively prevented from being separated from the through holes.
Furthermore, the clamping frame 3 is hinged with the guide post 4 through a rotating shaft 6, and the specific position of the rotating shaft 6 adopts a safety height design h & gtmu/b, wherein b is the distance from the rotating shaft 6 to the side edge of the guide post 4, mu is the sliding friction coefficient between the probe and the surface of the workpiece 1 to be detected, and the safety height design of the position of the rotating shaft 6 ensures that the probe 2 does not topple under the combined action of the pressure and the sliding friction force of the spring 5.
Furthermore, the lower part of the positioning frame 7 can be fixedly provided with a magnet 8, a gap is reserved between the magnet 8 and the workpiece 1 to be detected, and during detection, the magnet 8 adsorbs the gap generated by the workpiece 1 to be detected, so that the whole device is stably attached to the surface of the workpiece 1 to be detected. The gap adsorption force of the magnet 8 is larger than the elastic force of the spring 5, so that the whole device cannot be pushed away from the surface of the workpiece 1 to be detected by the elastic force, and accidental separation cannot occur.
Claims (6)
1. Ultrasonic detection probe positioner, including probe (2), its characterized in that: the device comprises a probe (2) and is characterized by also comprising a positioning frame (7) and an elastic mounting piece, wherein a sliding block (9) is fixedly arranged at the lower part of the positioning frame (7), the probe (2) is mounted in the positioning frame (7) through the elastic mounting piece, and the elastic mounting piece controls the probe (2) to be self-adaptively attached to the surface of a workpiece (1) to be detected; the elastic mounting piece comprises a clamping frame (3), guide posts (4) and springs (5), wherein the probe (2) is fixedly arranged in the clamping frame (3), the guide posts (4) are vertically and symmetrically movably connected to the positioning frame (7), the clamping frame (3) is movably connected between the guide posts (4), the springs (5) are sleeved on the guide posts (4), and the springs (5) are positioned between the positioning frame (7) and the clamping frame (3); the clamping frame (3) is hinged with the guide post (4) through a rotating shaft (6), and the safety height design of the position of the rotating shaft (6) ensures that the probe (2) does not topple under the comprehensive action of the pressure and the sliding friction force of the spring (5).
2. The ultrasonic testing probe positioning device of claim 1, wherein: the positioning frame (7) is a square frame body, through holes are formed in two symmetrical edges of the square frame body, and the guide posts (4) are located in the through holes.
3. The ultrasonic testing probe positioning device of claim 1, wherein: the clamping frame (3) is hinged with the guide post (4) through a rotating shaft (6).
4. The ultrasonic testing probe positioning device of claim 1, wherein: a limiting block (11) is arranged at the top end of the guide post (4).
5. The ultrasonic testing probe positioning device of claim 1, wherein: the lower part of the positioning frame (7) is also fixedly provided with a magnet (8), a gap is reserved between the magnet (8) and the workpiece (1) to be detected, and the gap adsorption force of the magnet (8) is larger than the elastic force of the spring (5).
6. The ultrasonic testing probe positioning device of claim 1, wherein: and a standard plug-in interface (10) is arranged on the positioning frame (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810062371.0A CN108303468B (en) | 2018-01-23 | 2018-01-23 | Ultrasonic detection probe positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810062371.0A CN108303468B (en) | 2018-01-23 | 2018-01-23 | Ultrasonic detection probe positioning device |
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| Publication Number | Publication Date |
|---|---|
| CN108303468A CN108303468A (en) | 2018-07-20 |
| CN108303468B true CN108303468B (en) | 2023-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810062371.0A Active CN108303468B (en) | 2018-01-23 | 2018-01-23 | Ultrasonic detection probe positioning device |
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| CN (1) | CN108303468B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108931581B (en) * | 2018-09-11 | 2020-10-02 | 合肥工业大学 | Pavement self-adjusting nondestructive inspection trolley based on ultrasonic pulse |
| CN111319010A (en) * | 2020-03-17 | 2020-06-23 | 广东省特种设备检测研究院珠海检测院 | Detection device and detection method |
| CN113267572A (en) * | 2021-04-30 | 2021-08-17 | 中广核检测技术有限公司 | Hand-held type ultrasonic probe marks frock |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102998373A (en) * | 2012-12-24 | 2013-03-27 | 西南交通大学 | Railway axle phased array ultrasonic flaw detection self-adaptive scanning device |
| CN203745429U (en) * | 2014-03-18 | 2014-07-30 | 中铁山桥集团有限公司 | Ultrasonic detection scanning device capable of realizing stable coupling |
| CN105806961A (en) * | 2014-12-30 | 2016-07-27 | 中核武汉核电运行技术股份有限公司 | Elastic coupling device of ultrasonic testing probe |
| CN206420823U (en) * | 2016-12-30 | 2017-08-18 | 核动力运行研究所 | Reactor pressure vessel adapter inner circle angular region supersonic detection device |
| CN207764173U (en) * | 2018-01-23 | 2018-08-24 | 中国东方电气集团有限公司 | A kind of ultrasonic inspection probe positioning device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2707707A1 (en) * | 2011-05-10 | 2014-03-19 | BP Corporation North America Inc. | Linearly-travelling ultrasonic probe mount and methods for use |
-
2018
- 2018-01-23 CN CN201810062371.0A patent/CN108303468B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102998373A (en) * | 2012-12-24 | 2013-03-27 | 西南交通大学 | Railway axle phased array ultrasonic flaw detection self-adaptive scanning device |
| CN203745429U (en) * | 2014-03-18 | 2014-07-30 | 中铁山桥集团有限公司 | Ultrasonic detection scanning device capable of realizing stable coupling |
| CN105806961A (en) * | 2014-12-30 | 2016-07-27 | 中核武汉核电运行技术股份有限公司 | Elastic coupling device of ultrasonic testing probe |
| CN206420823U (en) * | 2016-12-30 | 2017-08-18 | 核动力运行研究所 | Reactor pressure vessel adapter inner circle angular region supersonic detection device |
| CN207764173U (en) * | 2018-01-23 | 2018-08-24 | 中国东方电气集团有限公司 | A kind of ultrasonic inspection probe positioning device |
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| CN108303468A (en) | 2018-07-20 |
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