CN113932958B - Pipeline stress nondestructive testing method and system based on ultrasound - Google Patents
Pipeline stress nondestructive testing method and system based on ultrasound Download PDFInfo
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- CN113932958B CN113932958B CN202111239098.2A CN202111239098A CN113932958B CN 113932958 B CN113932958 B CN 113932958B CN 202111239098 A CN202111239098 A CN 202111239098A CN 113932958 B CN113932958 B CN 113932958B
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000009659 non-destructive testing Methods 0.000 title claims abstract description 14
- 238000002604 ultrasonography Methods 0.000 title abstract description 7
- 238000001514 detection method Methods 0.000 claims abstract description 49
- 239000000523 sample Substances 0.000 claims abstract description 34
- 238000012360 testing method Methods 0.000 claims abstract description 18
- 238000007689 inspection Methods 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims description 30
- 230000008569 process Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims 6
- 238000005259 measurement Methods 0.000 claims 1
- 238000004804 winding Methods 0.000 description 33
- 238000010586 diagram Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000009662 stress testing Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/25—Measuring force or stress, in general using wave or particle radiation, e.g. X-rays, microwaves, neutrons
- G01L1/255—Measuring force or stress, in general using wave or particle radiation, e.g. X-rays, microwaves, neutrons using acoustic waves, or acoustic emission
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention discloses a pipeline stress nondestructive testing method based on ultrasound, which comprises the following steps: preparing a pipeline to be tested, placing the pipeline on a detection table, and then arranging a transmitting probe and a receiving probe of ultrasonic detection equipment at corresponding positions of the pipeline; during testing, the detection equipment sends out ultrasonic waves through the transmitting probe, and the ultrasonic waves pass through the pipeline and are received by the receiving probe; the ultrasonic receiving probe receives the ultrasonic wave and then amplifies the received sound wave, the amplified signal is transmitted to the data acquisition module, and the data acquisition module is arranged in the inspection equipment; when the detection device analyzes the collected signals. According to the invention, the stress of the pipeline is detected by ultrasonic waves in the ultrasonic detection equipment, so that the efficiency of pipeline stress detection is improved, meanwhile, the detection equipment is small in size and convenient to carry, the stress of the pipeline can be detected anytime and anywhere, and the limitation of the stress detection of the traditional pipeline is solved.
Description
Technical Field
The invention relates to the technical field of pipeline stress testing, in particular to a pipeline stress nondestructive testing method and system based on ultrasound.
Background
The pipeline is often subjected to geometric deformation due to ground collapse and the like in the use process, so that stress concentration phenomenon is generated, and atoms in a stress concentration area on a microscopic pipeline are easy to slip, so that the trend of geometric deformation of the pipeline is possibly increased, the strain resistance is reduced, the corrosion speed is increased, and finally macroscopic defects can be developed in the pipeline, namely the stress concentration area on the pipeline is possibly damaged integrally. Therefore, in order to avoid the occurrence of the above situation, the stress detection needs to be performed on the pipeline in time, and the existing pipeline stress detection efficiency is low and the pipeline stress detection needs to be sent to a professional detection mechanism during the detection.
Disclosure of Invention
Based on the technical problems in the background technology, the invention provides a pipeline stress nondestructive testing method and system based on ultrasound.
The invention provides an ultrasonic-based pipeline stress nondestructive testing method, which comprises the following steps:
s1: preparing a pipeline to be tested, placing the pipeline on a detection table, and then arranging a transmitting probe and a receiving probe of ultrasonic detection equipment at corresponding positions of the pipeline;
s2: during testing, the detection equipment sends out ultrasonic waves through the transmitting probe, and the ultrasonic waves pass through the pipeline and are received by the receiving probe;
s3: the ultrasonic receiving probe receives the ultrasonic wave and then amplifies the received sound wave, the amplified signal is transmitted to the data acquisition module, and the data acquisition module is arranged in the inspection equipment;
s4: when the detection equipment analyzes the collected signals, the data in the data acquisition module is read, then digital filtering processing is carried out on the data, and then the processed data is analyzed through the analysis module;
s5: obtaining the acoustic time difference after analysis by the analysis module, and then calibrating or measuring according to the time difference;
s6: and when the calibration is performed, a stress constant is obtained through data fitting, and when the calibration is performed, a self-tightening force value is obtained through acoustic time difference.
Preferably, the testing process needs to be performed in a relatively sealed environment, and temperature change needs to be noted during testing, so that the temperature is prevented from affecting the testing result.
The utility model provides a pipeline stress nondestructive test system based on supersound, includes the check out test set shell, one side outer wall of check out test set shell is provided with the display screen, and one side outer wall fixedly connected with winding mechanism of check out test set shell, winding mechanism includes the winding case, and the winding case is cylindrical structure, one side inner wall of winding case has the capstan winch through bearing connection, and the one end of capstan winch transmission shaft has cup jointed the gear, one side inner wall fixedly connected with actuating mechanism of winding case, and be provided with the rack on the actuating mechanism, rack and gear intermeshing.
Preferably, the driving mechanism drives the box, and two sides of the inner wall of the bottom of the driving box are fixedly connected with sliding rods.
Preferably, the outer walls of the two sliding rods are sleeved with springs, the outer walls of the two sliding rods are connected with the same driving frame in a sliding manner, and one end of the driving frame is connected to the rack.
Preferably, the inner wall of one side of the driving box is fixedly connected with a motor, the output shaft of the motor is sleeved with a tooth driving wheel, the outer wall of the driving frame is fixedly connected with a driving rack, and the driving rack and the driving gear are meshed with each other.
Preferably, the outer wall of the bottom of the driving frame is fixedly connected with a magnet, and the inner wall of the bottom of the driving box is fixedly connected with an electromagnet.
The beneficial effects of the invention are as follows:
according to the invention, the stress of the pipeline is detected by ultrasonic waves in the ultrasonic detection equipment, so that the efficiency of pipeline stress detection is improved, meanwhile, the detection equipment is small in size and convenient to carry, the stress of the pipeline can be detected anytime and anywhere, and the limitation of the stress detection of the traditional pipeline is solved; meanwhile, the winding mechanism is arranged on the detection equipment, so that the winding mechanism is convenient to wind the cable between the detection equipment and the probe, and the problem that the cable of the traditional detection equipment is inconvenient to carry is avoided.
Drawings
FIG. 1 is a flow chart of a pipeline stress nondestructive testing method based on ultrasound;
FIG. 2 is a schematic diagram of a pipeline stress nondestructive testing system based on ultrasound according to the present invention;
FIG. 3 is a schematic diagram of the unwinding structure of a winding mechanism of an ultrasonic-based pipeline stress nondestructive testing system;
FIG. 4 is a schematic diagram of a driving mechanism of an ultrasonic-based pipeline stress nondestructive testing system according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a second driving mechanism of an ultrasonic-based pipeline stress nondestructive testing system according to an embodiment of the present invention.
In the figure: 1. a detection device housing; 2. a display screen; 3. a winding mechanism; 4. a winding box; 5. a reel; 6. a gear; 7. a rack; 8. a driving mechanism; 9. a drive box; 10. a slide bar; 11. a spring; 12. a drive rack; 13. a drive rack; 14. a drive gear; 15. a motor; 16. an electromagnet; 17. a magnet.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Example 1
Referring to fig. 1-4, an ultrasonic-based pipeline stress non-destructive testing method comprises the following steps:
s1: preparing a pipeline to be tested, placing the pipeline on a detection table, and then arranging a transmitting probe and a receiving probe of ultrasonic detection equipment at corresponding positions of the pipeline;
s2: during testing, the detection equipment sends out ultrasonic waves through the transmitting probe, and the ultrasonic waves pass through the pipeline and are received by the receiving probe;
s3: the ultrasonic receiving probe receives the ultrasonic wave and then amplifies the received sound wave, the amplified signal is transmitted to the data acquisition module, and the data acquisition module is arranged in the inspection equipment;
s4: when the detection equipment analyzes the collected signals, the data in the data acquisition module is read, then digital filtering processing is carried out on the data, and then the processed data is analyzed through the analysis module;
s5: obtaining the acoustic time difference after analysis by the analysis module, and then calibrating or measuring according to the time difference;
s6: and when the calibration is performed, a stress constant is obtained through data fitting, and when the calibration is performed, a self-tightening force value is obtained through acoustic time difference.
According to the invention, the temperature change is needed to be noted in a relatively sealed environment in the test process, the temperature influence on the test result is avoided, the equipment shell 1 is detected, the display screen 2 is arranged on one side outer wall of the equipment shell 1, the winding mechanism 3 is fixedly connected with the outer wall of one side of the equipment shell 1, the winding mechanism 3 comprises a winding box 4, the winding box 4 is of a cylindrical structure, one side inner wall of the winding box 4 is connected with a winch 5 through a bearing, one end of a transmission shaft of the winch 5 is sleeved with a gear 6, one side inner wall of the winding box 4 is fixedly connected with a driving mechanism 8, the driving mechanism 8 is provided with a rack 7, the rack 7 and the gear 6 are meshed with each other, the driving mechanism 8 drives the box 9, two sides of the inner wall of the bottom of the driving box 9 are fixedly connected with slide bars 10, the outer walls of the two slide bars 10 are sleeved with springs 11, one driving frame 12 is connected with one end of the driving frame 12, one side inner wall of the driving box 9 is fixedly connected with a motor 15, an output shaft of the motor 15 is sleeved with a tooth driving wheel 14, the outer wall of the driving frame 12 is fixedly connected with a driving rack 13, and the gear 13 and the rack 14 is meshed with the driving rack 14.
Working principle: when the detection equipment is needed to detect the pipeline, the cable is wound on the winding disc 5, one end of the cable is connected to the detection equipment, the other end of the cable is connected to the receiving or transmitting probe, the detection equipment transmits ultrasonic waves through the transmitting probe and receives the transmitted ultrasonic waves through the receiving probe during detection, the cable is wound on the winding disc 5, when the distance of the probe needs to be adjusted, the driving mechanism 8 drives the rack 7 to unlock the gear 6, then the winding disc 5 is rotated to release the cable, and when the length is enough, the motor 15 drives the driving gear 14 to rotate so as to drive the rack 13 to move so as to push the rack 7 and the gear 6 to be meshed with each other, so that the winding disc 5 is locked, and the winding disc 5 is prevented from shaking.
Example two
Referring to fig. 1-3 and 5, an ultrasonic-based pipeline stress non-destructive testing method comprises the steps of:
s1: preparing a pipeline to be tested, placing the pipeline on a detection table, and then arranging a transmitting probe and a receiving probe of ultrasonic detection equipment at corresponding positions of the pipeline;
s2: during testing, the detection equipment sends out ultrasonic waves through the transmitting probe, and the ultrasonic waves pass through the pipeline and are received by the receiving probe;
s3: the ultrasonic receiving probe receives the ultrasonic wave and then amplifies the received sound wave, the amplified signal is transmitted to the data acquisition module, and the data acquisition module is arranged in the inspection equipment;
s4: when the detection equipment analyzes the collected signals, the data in the data acquisition module is read, then digital filtering processing is carried out on the data, and then the processed data is analyzed through the analysis module;
s5: obtaining the acoustic time difference after analysis by the analysis module, and then calibrating or measuring according to the time difference;
s6: and when the calibration is performed, a stress constant is obtained through data fitting, and when the calibration is performed, a self-tightening force value is obtained through acoustic time difference.
According to the invention, the temperature change is needed to be noted in a relatively sealed environment in the test process, the temperature influence on the test result is avoided, the equipment shell 1 is detected, the display screen 2 is arranged on the outer wall of one side of the equipment shell 1, the winding mechanism 3 is fixedly connected with one side outer wall of the equipment shell 1, the winding mechanism 3 comprises a winding box 4, the winding box 4 is of a cylindrical structure, one side inner wall of the winding box 4 is connected with a winch 5 through a bearing, one end of a transmission shaft of the winch 5 is sleeved with a gear 6, one side inner wall of the winding box 4 is fixedly connected with a driving mechanism 8, the driving mechanism 8 is provided with a rack 7, the rack 7 and the gear 6 are meshed with each other, the driving mechanism 8 drives the box 9, two sides of the inner wall of the bottom of the driving box 9 are fixedly connected with slide bars 10, the outer walls of the two slide bars 10 are sleeved with springs 11, the outer walls of the two slide bars 10 are fixedly connected with the same driving frame 12, the outer wall of the bottom of the driving frame 12 is fixedly connected with a magnet 17, and the inner wall of the bottom of the driving box 9 is fixedly connected with an electromagnet 16.
Working principle: when the pipeline is required to be detected through the detection equipment, the cable is wound on the winding disc 5, one end of the cable is connected to the detection equipment, the other end of the cable is connected to the receiving or transmitting probe, the detection equipment transmits ultrasonic waves through the transmitting probe and receives the transmitted ultrasonic waves through the receiving probe during detection, the cable is wound on the winding disc 5, when the distance of the probe is required to be adjusted, the rack 7 is driven by the driving mechanism 8 to unlock the gear 6, then the winding disc 5 is rotated to release the cable, when the length is enough, the electromagnet 16 is electrified to generate magnetism identical to that of the magnet 17, and then the driving frame 12 is pushed to move, so that the winding disc 5 is locked, and the winding disc 5 is prevented from shaking.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be capable of being practiced otherwise than as specifically illustrated and described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (1)
1. The ultrasonic-based pipeline stress nondestructive testing method is characterized by comprising the following steps of:
s1: preparing a pipeline to be tested, placing the pipeline on a detection table, and then arranging a transmitting probe and a receiving probe of ultrasonic detection equipment at corresponding positions of the pipeline;
s2: during testing, the detection equipment sends out ultrasonic waves through the transmitting probe, and the ultrasonic waves pass through the pipeline and are received by the receiving probe;
s3: the ultrasonic receiving probe receives the ultrasonic wave and then amplifies the received sound wave, the amplified signal is transmitted to the data acquisition module, and the data acquisition module is arranged in the inspection equipment;
s4: when the detection equipment analyzes the collected signals, the data in the data acquisition module is read, then the data is subjected to digital filtering processing, and then the processed data is analyzed through the analysis module;
s5: obtaining the acoustic time difference after analysis by the analysis module, and then calibrating or measuring according to the time difference;
s6: obtaining a stress constant through data fitting during calibration, and obtaining a self-tightening force value through acoustic time difference during measurement;
the temperature change is needed to be noted in the test process in a relatively sealed environment, so that the temperature is prevented from influencing the test result;
the detection device comprises a detection device shell (1), a display screen (2) is arranged on one side outer wall of the detection device shell (1), a rolling mechanism (3) is fixedly connected to one side outer wall of the detection device shell (1), the rolling mechanism (3) comprises a rolling box (4), the rolling box (4) is of a cylindrical structure, a winch (5) is connected to one side inner wall of the rolling box (4) through a bearing, a gear (6) is sleeved at one end of a transmission shaft of the winch (5), a driving mechanism (8) is fixedly connected to one side inner wall of the rolling box (4), a rack (7) is arranged on the driving mechanism (8), and the rack (7) and the gear (6) are meshed with each other;
the driving mechanism (8) comprises a driving box (9), and sliding rods (10) are fixedly connected to two sides of the inner wall of the bottom of the driving box (9);
the outer walls of the two sliding rods (10) are sleeved with springs (11), the outer walls of the two sliding rods (10) are connected with the same driving frame (12) in a sliding manner, and one end of the driving frame (12) is connected to a rack (13);
a motor (15) is fixedly connected to the inner wall of one side of the driving box (9), a tooth driving wheel (14) is sleeved on the output shaft of the motor (15), a driving rack (13) is fixedly connected to the outer wall of the driving frame (12), and the driving rack (13) and the driving gear (14) are meshed with each other;
the outer wall of the bottom of the driving frame (12) is fixedly connected with a magnet (17), and the inner wall of the bottom of the driving box (9) is fixedly connected with an electromagnet (16).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111239098.2A CN113932958B (en) | 2021-10-25 | 2021-10-25 | Pipeline stress nondestructive testing method and system based on ultrasound |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111239098.2A CN113932958B (en) | 2021-10-25 | 2021-10-25 | Pipeline stress nondestructive testing method and system based on ultrasound |
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| CN113932958B true CN113932958B (en) | 2024-03-01 |
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| CN201210067Y (en) * | 2008-05-08 | 2009-03-18 | 申思 | Ultrasonic measurement construction for gas flow in tube with small diameter |
| CN108168746A (en) * | 2018-01-05 | 2018-06-15 | 陈文� | Pipe is in the ultrasonic inspection system and method for uniaxial stress |
| CN111208207A (en) * | 2020-02-26 | 2020-05-29 | 华东理工大学 | Bolt stress detection method |
| CN213244322U (en) * | 2020-11-18 | 2021-05-18 | 深圳市维旺迪电子有限公司 | Modular motion bluetooth headset |
| CN213657829U (en) * | 2021-01-07 | 2021-07-09 | 李福浩 | Highway gap degree of depth measuring device |
| CN214334090U (en) * | 2021-04-06 | 2021-10-01 | 华晨之星(天津)科技有限公司 | Ultrasonic wave bolt stress measuring instrument |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596252B (en) * | 2018-12-27 | 2020-10-09 | 哈尔滨工业大学（深圳） | Steel member internal axial stress detection method based on transverse wave phase spectrum |
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2021
- 2021-10-25 CN CN202111239098.2A patent/CN113932958B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201210067Y (en) * | 2008-05-08 | 2009-03-18 | 申思 | Ultrasonic measurement construction for gas flow in tube with small diameter |
| CN108168746A (en) * | 2018-01-05 | 2018-06-15 | 陈文� | Pipe is in the ultrasonic inspection system and method for uniaxial stress |
| CN111208207A (en) * | 2020-02-26 | 2020-05-29 | 华东理工大学 | Bolt stress detection method |
| CN213244322U (en) * | 2020-11-18 | 2021-05-18 | 深圳市维旺迪电子有限公司 | Modular motion bluetooth headset |
| CN213657829U (en) * | 2021-01-07 | 2021-07-09 | 李福浩 | Highway gap degree of depth measuring device |
| CN214334090U (en) * | 2021-04-06 | 2021-10-01 | 华晨之星(天津)科技有限公司 | Ultrasonic wave bolt stress measuring instrument |
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