CN210572127U - Corrosion imaging detection device - Google Patents
Corrosion imaging detection device Download PDFInfo
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- CN210572127U CN210572127U CN201921121867.7U CN201921121867U CN210572127U CN 210572127 U CN210572127 U CN 210572127U CN 201921121867 U CN201921121867 U CN 201921121867U CN 210572127 U CN210572127 U CN 210572127U
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- shell
- phased array
- probe
- imaging detection
- corrosion
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Abstract
The utility model provides a corrosion imaging detection device, it includes: the wheel type probe comprises a shell with a sealed probe installation cavity and a phased array probe arranged in the probe installation cavity, wherein the shell is cylindrical, the circumferential wall of the shell is formed by an acoustic transmission film, and the shell can rotate around the axis of the shell and relative to the phased array probe; the moving assembly comprises a bracket which is rotationally connected with the shell and a roller assembly arranged on the bracket; and the phased array detector is connected with the phased array probe and sequentially drives different wafer combinations on the phased array probe to emit beams according to an electronic focusing rule and to emit the beams through the sound transmission film so as to realize pipeline wall detection. The utility model discloses applicable in the detection of various external diameters and various walls.
Description
Technical Field
The utility model relates to an in labour pipeline or pressure vessel detection technical field, especially relate to a corrosion imaging detection device.
Background
In recent years, with the rapid development of national economy of China, the demand for energy is increasing day by day, and meanwhile, the development of a large number of petrochemical enterprises is driven. These industries, whether for storage of raw materials, transportation or industrial processes for chemical smelting, use large volumes of piping and pressure vessels. Safe operation of these pipes and pressure vessels is of paramount importance. In particular, the long term pressurization gas transmission and pressure relief gas release of the pipeline or pressure vessel is prone to metal fatigue, and many pipelines or pressure vessels are placed on the ground without protection from underground facilities and the like. If there are small cracks or corrosion inside the pipe or pressure vessel, stress concentrations may develop during the pressurization and depressurization process causing further crack propagation and possibly resulting in an accident. Therefore, pipeline corrosion can cause great potential safety hazard for the oil gas industry, and reliable and rapid pipeline corrosion detection is very important.
At present, the detection means of pipeline corrosion mainly adopts an ultrasonic thickness measurement method, but the method only adopts a single probe to carry out point-by-point detection on the pipeline corrosion. The detection efficiency is low and the speed is slow. Some existing methods adopt a mechanical scanning frame to realize automatic scanning of pipeline corrosion, but the mechanical scanning frame needs to be installed on the surface of a pipeline, so that the detection efficiency is reduced, and the mechanical scanning frame is inconvenient to carry.
Therefore, there is a need for a corrosion imaging detection apparatus that can achieve high-precision detection.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a corrosion imaging detection device for solving the problem of the prior art that a pipeline or a pressure vessel is difficult to detect with high efficiency.
To achieve the above and other related objects, the present invention provides a corrosion imaging detection apparatus, which includes:
the wheel type probe comprises a shell with a sealed probe installation cavity and a phased array probe arranged in the probe installation cavity, wherein the shell is cylindrical, the circumferential wall of the shell is formed by an acoustic transmission film, and the shell can rotate around the axis of the shell and relative to the phased array probe;
the moving assembly comprises a bracket which is rotationally connected with the shell and a roller assembly arranged on the bracket;
and the phased array detector is connected with the phased array probe and sequentially drives different wafer combinations on the phased array probe to emit beams according to an electronic focusing rule and to emit the beams through the sound transmission film so as to realize pipeline wall detection.
Preferably, a pressing nozzle for pressing the probe mounting cavity is provided at an end of the housing.
Preferably, the probe installation cavity is filled with coupling liquid during detection, and the sound-transmitting film protrudes outwards and is tightly attached to the wall surface to be detected.
Preferably, the roller assembly comprises a support frame connected with the support frame and a roller arranged on the support frame.
Preferably, the roller is made of a magnetic material.
Preferably, the height difference between the roller on the support frame and the sound-transmitting film is adjustable.
Preferably, the support is provided with an encoder for detecting the moving position of the corrosion imaging detection device, and the encoder is connected with the phased array detector.
Preferably, the bracket is provided with a handle which can be held by hand.
Preferably, both ends of the shell are provided with rolling bearings, the phased array probe is arranged along the axis of the shell, and both ends of the phased array probe are connected with the rolling bearings respectively.
Preferably, three phased array probes parallel to each other are arranged in the probe mounting cavity.
As described above, the utility model discloses a corrosion imaging detection device has following beneficial effect: the circumferential wall of the wheel type probe is composed of an acoustic transmission film, and a phased array probe is arranged in the wheel type probe to realize multi-mode detection, such as quick wall thickness, corrosion detection and crack detection of a pipeline, and imaging is carried out in real time to give quantitative pipeline corrosion detection data; the portable scanning device can be used for detecting in a handheld mode, is convenient to carry and use, and does not need to be additionally provided with a scanning frame for moving scanning.
Drawings
Fig. 1 shows a schematic view of the corrosion imaging detection device of the present invention.
Fig. 2 shows a cross-sectional view of the corrosion imaging detection device of the present invention.
Fig. 3 shows a state diagram of the corrosion imaging detection device of the present invention when detecting a pipeline.
Fig. 4 shows a state diagram of the corrosion imaging detection device of the present invention when detecting a steel plate.
Description of the element reference numerals
1 casing
2 support
21 support frame
3 handle
4 phased array probe
41 emitting surface of probe
5 encoder
6 roller
7 probe connecting end
8 shim
9 stamping nozzle
10 rolling bearing
11 sound-transmitting film
12 pipeline
13 Steel plate
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1 to 4. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope covered by the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in fig. 1 and 2, the utility model provides a corrosion imaging detection device, it includes:
the wheel type probe comprises a shell 1 with a sealed probe installation cavity and a phased array probe 4 arranged in the probe installation cavity, wherein the shell 1 is cylindrical, the circumferential wall of the shell is formed by a sound transmission film 11, and the shell 1 can rotate around the axis of the shell and relative to the phased array probe 4;
the moving assembly comprises a bracket 2 which is rotationally connected with the shell 1 and a roller assembly arranged on the bracket 2;
and the phased array detector (not shown) is connected with the phased array probe 4, and sequentially drives different wafer combinations on the phased array probe 4 according to an electronic focusing rule to emit wave beams to be emitted through the sound transmission film 11 so as to realize pipeline wall detection.
The utility model discloses a wheel components 2 drive wheeled probe and move forward to rotate between phased array probe 4 and casing 1 and set up, in this embodiment phased array probe 4 both ends are installed in the antifriction bearing 10 at casing 1 both ends, no matter how the casing rotates phased array probe 4 and is always towards the wall to be detected, send the ultrasonic wave to the wall to be detected when guaranteeing to move; in addition, the sound-transmitting film 11 is contacted with the surface of the detected wall, so that the stability and the accuracy of detection are improved; the utility model discloses a corrosion imaging detection device it easily carries, can hand and detect.
In order to make the corrosion imaging detection device suitable for detection on curved surfaces and straight surfaces, the roller assembly in this embodiment includes a support frame 21 connected with the support frame 2, and a roller 6 arranged on the support frame 21; in this embodiment, the supporting frame 21 is disposed across the housing 1, and the rollers 6 are disposed on both sides of the supporting frame, so as to increase the moving stability of the corrosion imaging detection apparatus. Further, the roller 6 is made of a magnetic material, which can increase the stability of the movement. The rolling wheel assembly and the shell 1 are arranged in a rotating mode, so that the phased array probe 4 can move smoothly along the wall to be detected, and the emergent ray of the phased array probe is emitted to the wall to be detected through the sound-transmitting film 11.
In this embodiment, the height difference between the roller 6 and the sound-transmitting film 11 is adjustable, and in this embodiment, the height difference between the roller 6 and the sound-transmitting film 11 is changed by changing the thickness of the spacer 8 disposed between the support frame 21 and the bracket 2. The thickness of the gasket 8 is changed as shown in fig. 4, so that the corrosion imaging detection device can detect a straight steel plate 13, and can detect a curved pipeline 12 as shown in fig. 3. The height difference between the roller 6 and the sound-transmitting film 11 is not limited to this, and the height difference may be adjusted by a screw fixing method, or the height difference between the support frame 21 and the support frame 2 may be adjusted by other methods, so as to detect pipes or flat plates with different pipe diameters.
In the embodiment, the encoder 5 for detecting the moving position of the corrosion imaging detection device is arranged on the support 2, and the encoder 5 is connected with the phased array detector to realize the real-time recording of the position information during the imaging of the corrosion cracks.
In the embodiment, the phased array probe 4 is in a long strip shape, and three phased array probes 4 which are parallel to each other and extend along the axis of the shell 1 can be arranged in the probe mounting cavity; generally, the number of wafers of the thickness measuring/flaw detecting probe is 96, and the number of wafers of the axial crack flaw detecting probe is 16. In this embodiment, the end of the casing 1 is provided with the stamping nozzle 9 for pressurizing the probe installation cavity, the coupling liquid can be injected into the probe installation cavity through the stamping nozzle 9, according to the condition of the wall to be detected, when detecting, a proper pressure value of the probe installation cavity can be selected, the pressure maintaining can be realized by the stamping nozzle 9 under normal conditions, and the coupling liquid can be injected into the stamping nozzle 9 during pressurizing to enable the sound-transmitting film to protrude outwards and to be attached to the wall to be detected. For convenience of arrangement, the stamping nozzle 9 and the probe connecting end 7 connected with each phased array probe in the embodiment are respectively arranged at two ends of the shell 1, and the probe connecting end 7 is connected with the phased array detector through a circuit.
The probe installation cavity is designed to be watertight, and the sound-transmitting membrane 11 is made of elastic polymer materials, so that internal pressure maintaining can be realized, and the sound-transmitting membrane 11 can expand outwards under pressure.
For carrying and manual detection, the present embodiment is provided with a hand-holdable handle 3 on the stand 2.
Adopt the utility model discloses a corrosion imaging detection device, its concrete testing process is: connecting a probe connecting end 7 of the phased array probe and the encoder 5 on the bracket 2 with the phased array detector; the height difference between the sound-transmitting film 11 and the support frame 21 is adjusted according to the diameter of the pipeline, so that the four rollers 6 on the support frame 21 are in contact with the surface of the pipeline, and the sound-transmitting film 11 is ensured to be just tightly attached to the surface of the pipeline; starting a phased array detector, starting a C scanning imaging mode, and holding the corrosion imaging detection device by hand to enable the corrosion imaging detection device to move along the surface of the pipeline at a constant speed; and observing the generated phased array C scanning image, and judging the corrosion and crack conditions.
To sum up, the corrosion imaging detection device of the utility model is provided with a plurality of phased array probes to realize multi-mode detection, such as quick wall thickness, corrosion detection and crack detection of the pipeline, and real-time imaging to give quantitative pipeline corrosion detection data; the portable scanning device can be used for detecting in a handheld mode, is convenient to carry and use, and does not need to be additionally provided with a scanning frame for moving scanning. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (9)
1. A corrosion imaging detection device is characterized in that: the method comprises the following steps:
the wheel type probe comprises a shell with a sealed probe installation cavity and a phased array probe arranged in the probe installation cavity, wherein the shell is cylindrical, the circumferential wall of the shell is formed by an acoustic transmission film, and the shell can rotate around the axis of the shell and relative to the phased array probe;
the moving assembly comprises a bracket which is rotationally connected with the shell and a roller assembly arranged on the bracket;
and the phased array detector is connected with the phased array probe and sequentially drives different wafer combinations on the phased array probe to emit beams according to an electronic focusing rule and to emit the beams through the sound transmission film so as to realize pipeline wall detection.
2. The corrosion imaging detection apparatus according to claim 1, wherein: and the end part of the shell is provided with a punching nozzle for pressurizing the probe installation cavity.
3. The corrosion imaging detection apparatus according to claim 1, wherein: coupling liquid is filled in the probe mounting cavity during detection, and the sound-transmitting film protrudes outwards and is tightly attached to the wall surface to be detected.
4. The corrosion imaging detection apparatus according to claim 1, wherein: the roller assembly comprises a support frame connected with the support and a roller arranged on the support frame.
5. The corrosion imaging detection apparatus according to claim 4, wherein: the roller is made of a magnetic material.
6. The corrosion imaging detection apparatus according to claim 4, wherein: the height difference between the roller on the support frame and the sound-transmitting film is adjustable.
7. The corrosion imaging detection apparatus according to claim 1, wherein: and the bracket is provided with an encoder for detecting the moving position of the corrosion imaging detection device, and the encoder is connected with the phased array detector.
8. The corrosion imaging detection apparatus according to claim 1, wherein: the bracket is provided with a handle which can be held by hands.
9. The corrosion imaging detection apparatus according to claim 1, wherein: the two ends of the shell are provided with rolling bearings, the phased array probe is arranged along the axis of the shell, and the two ends of the phased array probe are connected with the rolling bearings respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921121867.7U CN210572127U (en) | 2019-07-17 | 2019-07-17 | Corrosion imaging detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921121867.7U CN210572127U (en) | 2019-07-17 | 2019-07-17 | Corrosion imaging detection device |
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| Publication Number | Publication Date |
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| CN210572127U true CN210572127U (en) | 2020-05-19 |
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| CN201921121867.7U Active CN210572127U (en) | 2019-07-17 | 2019-07-17 | Corrosion imaging detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113219055A (en) * | 2021-04-29 | 2021-08-06 | 安徽江淮汽车集团股份有限公司 | Detection instrument of car panel beating |
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2019
- 2019-07-17 CN CN201921121867.7U patent/CN210572127U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113219055A (en) * | 2021-04-29 | 2021-08-06 | 安徽江淮汽车集团股份有限公司 | Detection instrument of car panel beating |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20230817 Address after: 017000 No. 4 Kangbashehe North Road, Ordos City, Inner Mongolia Autonomous Region Patentee after: Ordos branch of Inner Mongolia special equipment inspection and Research Institute Patentee after: SHANGHAI DINGSHENG ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 017000 intersection of Enhe road and YIKEZHAO street, Kangbashi New District, Ordos City, Inner Mongolia Autonomous Region Patentee before: Ordos Special Equipment Inspection Institute Patentee before: SHANGHAI DINGSHENG ELECTRONIC TECHNOLOGY Co.,Ltd. |