CN214473004U - Ultrasonic phased array pipeline detection device for small-diameter pipe weld joint - Google Patents
Ultrasonic phased array pipeline detection device for small-diameter pipe weld joint Download PDFInfo
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- CN214473004U CN214473004U CN202120417781.XU CN202120417781U CN214473004U CN 214473004 U CN214473004 U CN 214473004U CN 202120417781 U CN202120417781 U CN 202120417781U CN 214473004 U CN214473004 U CN 214473004U
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- 239000000523 sample Substances 0.000 claims abstract description 77
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- 229910000831 Steel Inorganic materials 0.000 claims description 3
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- 230000001360 synchronised effect Effects 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 26
- 230000008878 coupling Effects 0.000 abstract description 5
- 238000010168 coupling process Methods 0.000 abstract description 5
- 238000005859 coupling reaction Methods 0.000 abstract description 5
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- 230000002411 adverse Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 9
- 238000003384 imaging method Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 3
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- 230000033001 locomotion Effects 0.000 description 3
- 238000002604 ultrasonography Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000003491 array Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
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Abstract
The utility model relates to a path pipe welding seam ultrasonic phased array pipeline detection device, including phased array probe, encoder and actuating mechanism. The driving mechanism synchronously drives the phased array probe and the encoder to rotate around the small-diameter pipe to be detected in a circumferential direction, and in the circumferential rotation process, the distance between the phased array probe and the encoder and the outer wall of the small-diameter pipe to be detected is kept unchanged. This device relies on actuating mechanism drive arrangement when detecting the path pipe welding seam, makes phased array probe and encoder hug closely the smooth and easy removal in path pipe surface that awaits measuring, guarantees that detection device and the outer wall of the path pipe that awaits measuring have good coupling nature, helps the defect location to tube socket fillet weld, has avoided because the hand is taken the probe to remove and causes adverse effect such as shake, has improved the work efficiency and the defect relevance ratio that detect.
Description
Technical Field
The utility model relates to a pipeline welding seam scanning detecting instrument field, concretely relates to path pipe welding seam ultrasonic phased array pipeline detection device.
Background
Traditional supersound phased array probe detects path pipe mode and mostly presses the promotion manually, promptly with the fixed phased array probe of hand in, promotes the phased array probe gently and along path pipe pipeline welding seam slow movement, through manual fixed with the mode help supersound phased array probe completion path pipe welding seam scanning that removes to reach the purpose that the phased array instrument scanned and looks into the image. The defect that the fit between the probe and the small-diameter tube is not tight due to the uneven force application in the scanning process, the imaging effect of a welding seam area has certain deviation from the actual condition, and therefore the defect judgment in the welding seam by workers is inaccurate.
The traditional mode of detecting the small-diameter pipe by the ultrasonic phased array probe also comprises a limiting device which is formed by additionally arranging two semicircular components coupled with the pipe diameter of the small-diameter pipe to be detected between the probe and a welding seam, so that the distance between the probe and the welding seam is kept unchanged when the probe moves, the probe is moved along the surface of a pipeline by manually moving the probe to complete scanning imaging, and the mode provides great help for accurately positioning defects. Utilize stop device can reduce the shake of manual movement probe process, can help the accurate positioning of welding seam defect simultaneously, but can receive stop device's constraint at the in-process of moving the probe to stop device and quilt are laminated closely between the path pipe, lead to the in-process of sweeping the inspection at the moving probe not smooth and easy, need great strength can promote phased array probe and move along the pipe wall.
SUMMERY OF THE UTILITY MODEL
In order to solve the uneven welding seam region imaging effect that leads to hard that exists of traditional supersound phased array probe detection path pipe mode and actual existence certain deviation, perhaps can receive stop device's constraint at the in-process of mobile probe and lead to sweeping the in-process that looks into at the mobile probe and not smooth and easy problem, the utility model provides a following technical scheme.
A small-diameter pipe welding seam ultrasonic phased array pipeline detection device comprises a phased array probe, an encoder and a driving mechanism; the driving mechanism synchronously drives the phased array probe and the encoder to rotate around the small-diameter pipe to be detected in a circumferential direction, and in the circumferential rotation process, the distance between the phased array probe and the encoder and the outer wall of the small-diameter pipe to be detected is kept unchanged.
As a further improvement of the ultrasonic phased array pipeline detection device for the welding seam of the small-diameter pipe, the driving mechanism comprises an annular scanning frame sleeved outside the small-diameter pipe to be detected, and a plurality of rollers and drivers which are arranged on the annular scanning frame; the central shaft of each roller is parallel to the central shaft of the small-diameter pipe to be measured; the annular scanning frame is abutted against the small-diameter pipe to be detected through a roller; the driver at least drives one of the rollers to rotate; the phased array probe and the encoder are arranged on the annular scanning frame.
As a further improvement of the ultrasonic phased array pipeline detection device for the small-diameter pipe welding seam of the utility model, the annular scanning frame is provided with a fixed clamping groove a, a mounting groove and a fixed clamping groove b; the phased array probe is fixed in the fixed clamping groove a; the encoder is fixed in the fixed clamping groove b; the driver is fixed in the mounting groove.
As a further improvement of the ultrasonic phased array pipeline detection device for the small-diameter pipe welding seam of the utility model, the rollers comprise a plurality of rolling wheels a and a rolling wheel b; the driver drives the rolling wheel b to rotate, so that the annular scanning frame rotates circumferentially around the small-diameter pipe to be detected.
As a further improvement of the ultrasonic phased array pipeline detection device for the small-diameter pipe welding seam of the utility model, the driver is a driving motor, and the output end of the driver is provided with a bevel gear a; the middle section of the rolling wheel b is fixedly provided with another bevel gear b; the bevel gear a is meshed with the bevel gear b, and the driver drives the rolling wheel b to rotate through the meshing action of the bevel gears.
As the utility model discloses a path pipe welding seam ultrasonic phased array pipeline detection device's further improvement, the phased array probe with the outer wall of the path pipe that awaits measuring closely laminates.
As the utility model discloses a path pipe welding seam ultrasonic phased array pipeline detection device's further improvement, the encoder with the outer wall of the path pipe that awaits measuring closely laminates.
As the utility model discloses a path pipe welding seam ultrasonic phased array pipeline detection device's further improvement, every the gyro wheel adopts rubber materials to make, all is cylindrically.
As the utility model discloses a path pipe welding seam ultrasonic phased array pipeline detection device's further improvement, every the gyro wheel all laminate in the outer wall of the path pipe that awaits measuring.
As a further improvement of the small-diameter pipe welding seam ultrasonic phased array pipeline detection device, the fixed clamping groove a, the mounting groove and the fixed clamping groove b are all made of P91 steel materials; and a damping material is arranged in the mounting groove.
The utility model has the advantages that: the probe for detecting the weld defects of the device adopts an ultrasonic phased array probe, and compared with the conventional ultrasonic probe detection technology, the device has remarkable advantages in the aspects of defect detection rate, quantitative accuracy and detection efficiency, and is particularly suitable for detecting complex structural parts and blind area positions. The phased array probe in the device consists of a plurality of independent small wafer arrays and a wedge block, wherein the wedge block is made of polystyrene. The computer is used for controlling each wafer, transmitting and receiving ultrasonic waves according to a certain delay rule, functions of scanning, deflecting, focusing and the like on a detected area are realized under the condition that the probe is not moved, the phenomenon of missing detection is not easy to occur, the detection rate of defects is improved, and the nondestructive detection of the weld defects of the small-diameter pipe is realized.
For the welding seam of the small-diameter pipe, the detection surface is bent, the curvature is large, the ultrasonic sound beam is further diffused, and the sensitivity of the acoustic detection is lower than that of the plane detection. The sensing surface is curved and the coupling between the probe and the workpiece surface is poor, resulting in much lower echo amplitudes than in the planar case. In the traditional detection method, a detector holds a probe by hand and moves at a position close to a fillet weld of a tube seat so as to detect the weld, the detection method mainly depends on the detection technology of the detector, the detection result strongly depends on the detection method of the detector, and the final detection result is greatly influenced because the condition of hand shaking cannot be avoided frequently in the operation process, so that the problems of missed detection, false detection and the like are easily caused. The utility model discloses a detection device relies on driving motor drive arrangement during the detection, sweeps through the annular and looks into frame and gyro wheel, makes detection device hug closely the smooth and easy removal of pipeline surface, guarantees that detection device and pipeline outer wall have good coupling nature, helps the defect location to tube socket fillet weld, has avoided because the hand is taken the probe to remove and causes adverse effect such as shake, has improved the work efficiency and the defect relevance ratio that detect.
Drawings
Fig. 1 is the utility model discloses a path pipe welding seam ultrasonic phased array pipeline detection device installs the integrated configuration sketch outside the path pipe that awaits measuring.
Reference numerals: 1-annular scanning frame; 2-rolling wheel a; 3-fixing the clamping groove a; 4-rolling wheel b; 5-mounting grooves; 6-phased array probe; 7-a driver; 8-an encoder; 9-fixed card slot b; 10-small diameter pipe to be measured.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 1 is a schematic view of the small-diameter pipe weld ultrasonic phased array pipeline detection apparatus of the present embodiment installed outside a small-diameter pipe 10 to be detected.
As shown in fig. 1, the ultrasonic phased array pipeline inspection apparatus for a small-diameter pipe weld according to the present embodiment includes a phased array probe 6, an encoder 8, and a drive mechanism. The driving mechanism synchronously drives the phased array probe 6 and the encoder 8 to rotate around the to-be-detected small-diameter pipe 10 in the circumferential direction, and in the circumferential rotation process, the distance between the phased array probe 6 and the encoder 8 and the outer wall of the to-be-detected small-diameter pipe 10 is kept unchanged.
The driving mechanism comprises an annular scanning frame 1 sleeved outside the small-diameter pipe 10 to be detected, and a driver 7, a plurality of rolling wheels a2 and a rolling wheel b4 which are arranged on the annular scanning frame 1. The central axis of each roller is parallel to the central axis of the small-diameter pipe 10 to be measured. Each gyro wheel adopts rubber materials to make, all is cylindrical, and all laminate in the outer wall of the path pipe 10 that awaits measuring.
The annular scanning frame 1 is abutted to the outer wall of the small-diameter pipe 10 to be detected through a rolling wheel a2 and a rolling wheel b 4. The phased array probe 6 and the encoder 8 are fixedly arranged on the annular scanning frame 1. The driver 7 drives the rolling wheel b4 to rotate, so that the annular scanning frame 1 rotates circumferentially around the small-diameter pipe 10 to be detected, and the weld defects around the small-diameter pipe 10 to be detected are detected. The phased array probe 6 and the encoder 8 are electrically connected with a phased array ultrasonic detector outside the device. The driver 7 is electrically connected to an external power supply.
The annular scanning frame 1 is sleeved on the outer wall of the small-diameter pipe 10 to be detected and is tightly attached to the outer wall of the small-diameter pipe 10 to be detected, and meanwhile, the phased array probe 6, the driver 7, the encoder 8 and other devices are fixed, so that after the phased array probe 6 is smeared on the outer wall of the small-diameter pipe 10 to be detected, the phased array probe 6 is tightly attached to the outer wall of a pipeline, the coupling performance of the phased array probe 6 and the pipe wall is improved, and the detection of small defects in a welding seam is facilitated.
The encoder 8 is installed on the annular scanning frame 1 and closely attached to the outer wall of the small-diameter pipe 10 to be detected, and is used for recording the track distance of the displacement of the annular scanning frame 1 and helping to record the position information of the weld defects detected by the phased array probe 6, so that the detection personnel can be helped to accurately position the detected weld, the defect detection rate of the weld joints of the small-diameter pipe is improved, and the workload of the detection personnel is reduced.
Wherein, the annular scanning frame 1 is provided with a fixed clamping groove a3, a mounting groove 5 and a fixed clamping groove b 9. The phased array probe 6 is fixed in the fixed card slot a 3; the encoder 8 is fixed in the fixed card slot b 9; the driver 7 is fixed in the mounting groove 5. Fixed slot a3, mounting groove 5 and fixed slot b9 all can adopt P91 steel material or other rigid material to make, make phased array probe 6 and encoder 8 remain stable in the motion process, avoid taking place the condition of shake when reducing phased array probe 6 and encoder 8 to the utmost and moving on the pipe 10 outer wall of awaiting measuring pipe when sunken or the arch that exists because of driving motor shake or the pipe 10 surface of awaiting measuring causes, guarantee the accuracy of the data of record under operating condition, help the welding seam defect on the pipe 10 of awaiting measuring of measurement accurate positioning of measurement personnel. Vibration damping materials are further mounted inside the mounting groove 5, so that displacement caused by shaking of the driving motor is avoided, ultrasonic beams emitted by the phased array probe 6 can be well focused at a preset position of a welding seam without distortion or offset, the problems of inaccurate imaging, low signal-to-noise ratio of images and the like caused by shaking are reduced, and the detectable rate of welding seam defects is improved.
The driver 7 may be a drive motor with an output having a bevel gear a. And the middle section of the rolling wheel b4 is fixed with another bevel gear b. The bevel gear a is meshed with the bevel gear b, the driver 7 drives the rolling wheels b4 to rotate through the meshing action of the bevel gears, the annular scanning frame 1 is driven to rotate in the circumferential direction around the to-be-detected small-diameter pipe 10, the rolling wheels a2 rotate along with the annular scanning frame, the circumferential rotation process is guaranteed, the distance between the phased array probe 6 and the encoder 8 and the outer wall of the to-be-detected small-diameter pipe 10 is kept unchanged, the annular scanning frame 1 moves smoothly in the circumferential direction through the rotation of the rollers, and the positioning accuracy of the encoder 8 and the image presentation accuracy of the phased array probe 6 are improved.
The utility model discloses a detection device relies on driving motor drive arrangement during the detection, sweeps through the annular and looks into frame and gyro wheel, makes detection device hug closely the smooth and easy removal in the minor diameter pipe 10 surface that awaits measuring, guarantees that detection device and the outer wall of the minor diameter pipe 10 that awaits measuring have good coupling nature, helps the defect location to tube socket fillet weld, has avoided because the hand is taken the probe to remove and causes adverse effect such as shake, has improved the work efficiency and the defect relevance ratio that detect.
A phased array probe 6 in the device consists of a plurality of independent small wafer arrays and wedges, a computer is used for controlling each wafer, ultrasonic waves are transmitted and received according to a certain delay rule, the functions of scanning, deflecting, focusing and the like of a detected area are realized under the condition that the probe is not moved, the phenomenon of missing detection is not easy to occur, the detection rate of defects is improved, and the nondestructive detection of the weld defects of the small-diameter pipes is realized. The piezoelectric wafer in the phased array probe 6 adopted by the device carries out time-delay excitation by an electronic method, so that the linear scanning is much faster than the mechanical scanning of a conventional ultrasonic probe, the phased array probe 6 can control the focusing depth, the deflection angle and the beam width at will, thereby avoiding the generation of surface waves and other deformable waves, and the detection modes of longitudinal flaw detection, transverse flaw detection and oblique flaw detection can be flexibly changed without any mechanical change and adjustment, thereby reducing the abrasion of the probe and avoiding the adjustment of equipment mechanisms. The multi-wafer in the phased array probe 6 is excited in a rapid sequence, and the radiation sound field of the phased array probe is equivalent to the continuous mechanical displacement and steering of a single-wafer probe, so that the missed detection of transverse injury and oblique injury is avoided, and the signal-to-noise ratio and the detection efficiency are obviously improved.
Claims (10)
1. The utility model provides a path pipe welding seam ultrasonic phased array pipeline detection device which characterized in that: comprises a phased array probe (6), an encoder (8) and a driving mechanism; the drive mechanism synchronous drive phased array probe (6) and encoder (8) encircle the aperture pipe (10) circumferential direction that awaits measuring, and the circumferential direction process, phased array probe (6) and encoder (8) and the aperture pipe (10) outer wall that awaits measuring between the distance keep unchangeable.
2. The ultrasonic phased array pipeline detection device for the small-diameter pipe weld according to claim 1, characterized in that: the driving mechanism comprises an annular scanning frame (1) sleeved outside the small-diameter pipe (10) to be detected, and a plurality of rollers and drivers (7) arranged on the annular scanning frame (1); the central shaft of each roller is parallel to the central shaft of the small-diameter pipe (10) to be measured; the annular scanning frame (1) is abutted to the small-diameter pipe (10) to be detected through a roller; the driver (7) drives at least one of the rollers to rotate; the phased array probe (6) and the encoder (8) are arranged on the annular scanning frame (1).
3. The ultrasonic phased array pipeline detection device for the small-diameter pipe weld according to claim 2, characterized in that: the annular scanning frame (1) is provided with a fixed clamping groove a (3), a mounting groove (5) and a fixed clamping groove b (9); the phased array probe (6) is fixed in the fixed clamping groove a (3); the encoder (8) is fixed in the fixed clamping groove b (9); the driver (7) is fixed in the mounting groove (5).
4. The ultrasonic phased array pipeline detection device for the small-diameter pipe weld according to claim 2, characterized in that: the plurality of rollers comprise a plurality of rolling wheels a (2) and a rolling wheel b (4); the driver (7) can drive the rolling wheels (b) (4) to rotate, so that the annular scanning frame (1) rotates around the small-diameter pipe (10) to be detected in the circumferential direction.
5. The ultrasonic phased array pipeline detection device for the small-diameter pipe weld according to claim 4, wherein: the driver (7) is a driving motor, and the output end of the driver is provided with a bevel gear a; the middle section of the rolling wheel b (4) is fixed with another bevel gear b; the bevel gear a is meshed with the bevel gear b, and the driver (7) drives the rolling wheel b (4) to rotate through the meshing action of the bevel gears.
6. The ultrasonic phased array pipeline detection device for the small-diameter pipe weld according to claim 1 or 2, characterized in that: the phased array probe (6) is tightly attached to the outer wall of the small-diameter pipe (10) to be detected.
7. The ultrasonic phased array pipeline detection device for the small-diameter pipe weld according to claim 1 or 2, characterized in that: the encoder (8) is tightly attached to the outer wall of the small-diameter pipe (10) to be detected.
8. The ultrasonic phased array pipeline detection device for the small-diameter pipe weld according to claim 2, characterized in that: each roller is made of rubber materials and is cylindrical.
9. The ultrasonic phased array pipeline detection device for the small-diameter pipe weld according to claim 2 or 8, characterized in that: each roller is attached to the outer wall of the small-diameter pipe (10) to be detected.
10. The ultrasonic phased array pipeline detection device for the small-diameter pipe weld according to claim 3, characterized in that: the fixed clamping groove a (3), the mounting groove (5) and the fixed clamping groove b (9) are all made of P91 steel materials; and a damping material is also arranged in the mounting groove (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120417781.XU CN214473004U (en) | 2021-02-25 | 2021-02-25 | Ultrasonic phased array pipeline detection device for small-diameter pipe weld joint |
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| CN202120417781.XU CN214473004U (en) | 2021-02-25 | 2021-02-25 | Ultrasonic phased array pipeline detection device for small-diameter pipe weld joint |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114002322A (en) * | 2021-10-29 | 2022-02-01 | 无锡华润燃气有限公司 | PE pipeline ultrasonic detection device and detection method |
| CN114264787A (en) * | 2021-12-22 | 2022-04-01 | 抚顺市特种设备监督检验所 | Phased array detection device and detection method |
| CN115753976A (en) * | 2022-08-23 | 2023-03-07 | 江苏江南检测有限公司 | Ultrasonic phased array detection device and method for thin-wall austenitic stainless steel pipe butt joint |
-
2021
- 2021-02-25 CN CN202120417781.XU patent/CN214473004U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114002322A (en) * | 2021-10-29 | 2022-02-01 | 无锡华润燃气有限公司 | PE pipeline ultrasonic detection device and detection method |
| CN114264787A (en) * | 2021-12-22 | 2022-04-01 | 抚顺市特种设备监督检验所 | Phased array detection device and detection method |
| CN115753976A (en) * | 2022-08-23 | 2023-03-07 | 江苏江南检测有限公司 | Ultrasonic phased array detection device and method for thin-wall austenitic stainless steel pipe butt joint |
| CN115753976B (en) * | 2022-08-23 | 2023-09-01 | 江苏江南检测有限公司 | Ultrasonic phased array detection device and method for butt joint of thin-wall austenitic stainless steel pipe |
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