CN113030246A - Pipeline outer wall magnetic leakage detector - Google Patents
Pipeline outer wall magnetic leakage detector Download PDFInfo
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- CN113030246A CN113030246A CN202011465720.7A CN202011465720A CN113030246A CN 113030246 A CN113030246 A CN 113030246A CN 202011465720 A CN202011465720 A CN 202011465720A CN 113030246 A CN113030246 A CN 113030246A
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- rack
- leakage detector
- sleeve
- pipeline
- rotary sleeve
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- 230000005291 magnetic effect Effects 0.000 title claims abstract description 29
- 238000007664 blowing Methods 0.000 claims abstract description 21
- 230000004907 flux Effects 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 238000004140 cleaning Methods 0.000 claims abstract description 11
- 238000013016 damping Methods 0.000 claims abstract description 10
- 230000002093 peripheral effect Effects 0.000 claims abstract description 8
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 15
- 230000003139 buffering effect Effects 0.000 abstract description 5
- 230000000007 visual effect Effects 0.000 abstract description 3
- 235000009470 Theobroma cacao Nutrition 0.000 abstract 1
- 244000240602 cacao Species 0.000 abstract 1
- 230000035939 shock Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/83—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
- G01N27/84—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields by applying magnetic powder or magnetic ink
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth 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 Magnetic Means (AREA)
Abstract
The pipeline outer wall magnetic flux leakage detector comprises a first rack, a blowing module and an obstacle cleaning module, wherein a plurality of fixed sleeves are arranged at the front end and the rear end of the first rack, the fixed sleeve at the front end of the first rack is rotatably connected with a first rotary sleeve through a damping rotating shaft, one side, away from the first rack, of the peripheral surface of the first rotary sleeve is commonly connected with a second rack, the fixed sleeve at the rear end of the first rack is rotatably connected with a second rotary sleeve through a damping rotating shaft, and one side, away from the first rack, of the peripheral surface of the second rotary sleeve is commonly connected with a third rack; this device convenient to carry can expand according to the pipeline diameter and adjust, and application scope is wide, and the shock attenuation buffering effect is good, and equipment fault rate is low, can clean and blow away the foreign matter on the steel pipe, and the great leakage point of cocoa visual detection has improved the detection precision of magnetic leakage detector main part to and the ride comfort of equipment when removing on the pipeline, easy operation is convenient.
Description
Technical Field
The invention relates to the technical field of pipeline detection equipment, in particular to a pipeline outer wall magnetic flux leakage detector.
Background
The oil gas pipeline is used as an oil and natural gas conveying tool, under the condition of long-period operation, serious accidents such as serious fire or explosion caused by oil leakage due to corrosion perforation, cracking, sealing failure and the like can occur, serious threats are formed to the safety of lives and properties of people and the ecological environment, magnetic leakage detection is a relatively common nondestructive detection means of ferromagnetic materials, the method is relatively common in defect detection of the oil gas pipeline, and the method has the advantages of high detection sensitivity, no need of coupling agents, no pollution and the like.
At present, the existing magnetic flux leakage detector is inconvenient to carry and unfold, long preparation time and debugging time are needed, the working efficiency is low, and when impurities are attached to a pipeline, the stability of the detector moving on the pipeline is influenced, the final detection precision is also influenced, and the visual observation is influenced.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides the pipeline outer wall magnetic flux leakage detector, and the pipeline outer wall magnetic flux leakage detector is convenient to carry, can be unfolded and adjusted according to the diameter of a pipeline, has a wide application range, a good damping and buffering effect and a low equipment failure rate, can clean and blow off foreign matters on a steel pipe, can visually detect large leakage points, improves the detection precision of a magnetic flux leakage detector main body and the smoothness of equipment moving on the pipeline, and is simple and convenient to operate.
(II) technical scheme
In order to solve the problems, the invention provides a pipeline outer wall magnetic flux leakage detector which comprises a first rack, a blowing module and an obstacle cleaning module, wherein a plurality of fixed sleeves are arranged at the front end and the rear end of the first rack, the fixed sleeve at the front end of the first rack is rotatably connected with a first rotary sleeve through a damping rotating shaft, one side of the peripheral surface of the first rotary sleeve, which is far away from the first rack, is commonly connected with a second rack, the fixed sleeve at the rear end of the first rack is rotatably connected with a second rotary sleeve through a damping rotating shaft, one side of the peripheral surface of the second rotary sleeve, which is far away from the first rack, is commonly connected with a third rack, magnetic flux leakage detector main bodies are embedded in the middle parts of the upper ends of the first rack, the second rack and the third rack, the blowing modules are arranged at the lower sides of the right end of the first rack, the second rack and the third rack, each blowing module comprises, obstacle cleaning modules are arranged on the upper sides of the right ends of the first rack, the second rack and the third rack.
Preferably, first frame, second frame and third frame upper end left side all are provided with the battery, and first frame, second frame and third frame lower extreme left side and right side all are provided with the removal wheel.
Preferably, the handles are arranged at one ends, far away from the first rack, of the second rack and the third rack, and the anti-skidding sleeve is sleeved in the middle of each handle.
Preferably, the right side of the upper end of the first frame is provided with a fan, the right part of the fan is provided with an air outlet pipe, the right end of the air outlet pipe is connected with a plurality of air supply hoses through multi-way valves, and the other ends of the air supply hoses are respectively connected with an air blowing seat.
Preferably, the obstacle cleaning module includes mount, thread bush and threaded rod, and the mount right-hand member all is connected with the thread bush, and thread bush middle part threaded connection has the threaded rod, and the threaded rod upper end is provided with adjusting nut, and the threaded rod lower extreme is provided with the spout, and the inside sliding connection of spout has the buffer beam, and the buffer beam upper end is connected with the spring, and the buffer beam lower extreme is connected with the motor, and the motor is connected with the steel wire brush head through the motor.
Preferably, the left part of the first frame is connected with a tablet personal computer through a wire, and the tablet personal computer is electrically connected with the magnetic flux leakage detector main body, the battery, the fan and the motor.
The technical scheme of the invention has the following beneficial technical effects: this device convenient to carry, can expand according to the pipeline diameter and adjust, application scope is wide, it rotates to drive the brush head of steel wire through panel computer starter motor, thereby can clean the foreign matter on the steel pipe, great foreign matter can drive the buffer beam and shift up, cushion through the spring, avoid equipment damage, the fault rate has been reduced, start the fan simultaneously, blow out through the air supply hose to the seat of blowing, thoroughly blow away the pollutant after cleaning, make the great leakage point of naked eye visual detection, avoid the foreign matter influence detection of adhering to on the pipeline simultaneously, and guarantee the ride comfort when equipment moves on the pipeline, rethread magnetic leakage detector main part carries out comprehensive detection, the precision of detecting has been improved, but through panel computer visual inspection detecting result, it is convenient to use.
Drawings
Fig. 1 is a schematic structural diagram of a magnetic flux leakage detector for an outer wall of a pipeline provided by the invention.
Fig. 2 is an enlarged view of a magnetic flux leakage detector a on the outer wall of the pipeline.
Fig. 3 is a schematic structural diagram of an obstacle cleaning module in the magnetic flux leakage detector for the outer wall of the pipeline provided by the invention.
Reference numerals: 1. a first frame; 2. fixing a sleeve; 3. a first rotating sleeve; 4. a second frame; 5. a second rotating sleeve; 6. a third frame; 7. a moving wheel; 8. a magnetic flux leakage detector body; 9. a battery; 10. a handle; 11. an anti-slip sleeve; 12. a blowing seat; 13. a gas ejector tube; 14. a fan; 15. an air supply hose; 16. an obstacle sweeping module; 17. a wire; 18. a tablet computer; 1601. a fixed mount; 1602. a threaded sleeve; 1603. a threaded rod; 1604. adjusting the screw cap; 1605. a chute; 1606. a buffer rod; 1607. a spring; 1608. a motor; 1609. a steel wire brush head.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-3, the magnetic flux leakage detector for the outer wall of the pipeline provided by the invention comprises a first frame 1, a blowing module and an obstacle cleaning module 16, wherein a plurality of fixed sleeves 2 are respectively arranged at the front end and the rear end of the first frame 1, the fixed sleeve 2 at the front end of the first frame 1 is rotatably connected with a first rotary sleeve 3 through a damping rotating shaft, one side of the peripheral surface of the first rotary sleeve 3, which is far away from the first frame 1, is commonly connected with a second frame 4, the fixed sleeve 2 at the rear end of the first frame 1 is rotatably connected with a second rotary sleeve 5 through a damping rotating shaft, one side of the peripheral surface of the second rotary sleeve 5, which is far away from the first frame 1, is commonly connected with a third frame 6, a magnetic flux leakage detector main body 8 and the first frame 1 are embedded in the middle parts of the, batteries 9 are arranged on the left sides of the upper ends of the second rack 4 and the third rack 6, and moving wheels 7 are arranged on the left sides and the right sides of the lower ends of the first rack 1, the second rack 4 and the third rack 6;
the handle 10 is arranged at one end of the second rack 4 and one end of the third rack 6, which is far away from the first rack 1, the middle part of each handle 10 is sleeved with an anti-skid sleeve 11, the lower sides of the right ends of the first rack 1, the second rack 4 and the third rack 6 are respectively provided with a blowing module, each blowing module comprises a blowing seat 12 and a jet pipe 13, each blowing seat 12 is of a hollow structure, the right end of each blowing seat 12 is provided with a plurality of jet pipes 13, the right side of the upper end of the first rack 1 is provided with a fan 14, the right part of each fan 14 is provided with a wind outlet pipe, the right end of each wind outlet pipe is connected with a plurality of air supply hoses 15 through multi-way valves, the other ends of the air supply hoses 15 are respectively connected with the blowing seats 12, and the;
the obstacle cleaning module 16 comprises a fixing frame 1601, a threaded sleeve 1602 and a threaded rod 1603, the right end of the fixing frame 1601 is connected with the threaded sleeve 1602, the threaded rod 1603 is connected to the middle of the threaded sleeve 1602 through threads, an adjusting nut 1604 is arranged at the upper end of the threaded rod 1603, a sliding groove 1605 is arranged at the lower end of the threaded rod 1603, a buffering rod 1606 is connected to the inside of the sliding groove 1605 through sliding, a spring 1607 is connected to the upper end of the buffering rod 1606, a motor 1608 is connected to the lower end of the buffering rod 1606, a steel wire brush head 1609 is connected to the motor 1608 through a motor shaft, the left part of the first rack 1 is connected with a tablet computer 18 through a.
When the device works, the device can be conveniently carried by the handle 10, the anti-skid sleeve 11 is comfortable to hold, the second frame 4 and the third frame 6 can be bent by the handle 10, the first rotary sleeve 3 and the second rotary sleeve 5 can rotate along the damping rotating shaft, the adjustment according to the diameter of the pipeline is convenient, the application range is wide, the device can conveniently move on the pipeline by the moving wheel 7, the threaded rod 1603 is driven by the adjusting nut 1604 to rotate downwards until the steel wire brush head 1609 is abutted against the steel pipe, the motor 1608 is started by the tablet computer 18 to drive the steel wire brush head 1609 to rotate, therefore, the foreign bodies on the steel pipe can be cleaned, the larger foreign bodies can drive the buffer rod 1606 to move upwards, the buffer is buffered by the spring 1607, the device damage is avoided, the failure rate is reduced, the fan 14 is started at the same time, the air is blown to the blowing seat 12 by the air supply hose 15 and is blown out by the air injection pipe 13, the cleaned, meanwhile, the influence of foreign matters attached to the pipeline is avoided, smoothness of the equipment when the equipment moves on the pipeline is guaranteed, comprehensive detection is conducted through the magnetic flux leakage detector main body 8, detection precision is improved, detection results can be observed visually through the tablet personal computer 18, and the use is convenient and fast.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (6)
1. The pipeline outer wall magnetic flux leakage detector is characterized by comprising a first rack (1), an air blowing module and an obstacle cleaning module (16); the front end and the rear end of a first rack (1) are respectively provided with a plurality of fixed sleeves (2), the fixed sleeves (2) at the front end of the first rack (1) are rotatably connected with a first rotary sleeve (3) through a damping rotating shaft, one side of the peripheral surface of the first rotary sleeve (3) far away from the first rack (1) is jointly connected with a second rack (4), the fixed sleeves (2) at the rear end of the first rack (1) are rotatably connected with a second rotary sleeve (5) through a damping rotating shaft, one side of the peripheral surface of the second rotary sleeve (5) far away from the first rack (1) is jointly connected with a third rack (6), magnetic leakage detector main bodies (8) are embedded in the middle parts of the upper ends of the first rack (1), the second rack (4) and the third rack (6), air blowing modules are respectively arranged at the lower sides of the first rack (1), the second rack (4) and the third rack (6), and comprise air blowing seats (12) and air injection, the blowing seat (12) is of a hollow structure, the right end of the blowing seat (12) is provided with a plurality of air injection pipes (13), and the upper sides of the right ends of the first rack (1), the second rack (4) and the third rack (6) are provided with obstacle cleaning modules (16).
2. The pipeline outer wall magnetic flux leakage detector according to claim 1, wherein batteries (9) are arranged on the left sides of the upper ends of the first rack (1), the second rack (4) and the third rack (6), and moving wheels (7) are arranged on the left sides and the right sides of the lower ends of the first rack (1), the second rack (4) and the third rack (6).
3. The pipeline outer wall magnetic leakage detector according to claim 1, characterized in that one end of the second rack (4) and one end of the third rack (6) far away from the first rack (1) are both provided with a handle (10), and the middle part of each handle (10) is sleeved with an anti-skid sleeve (11).
4. The instrument for detecting the magnetic flux leakage of the outer wall of the pipeline according to claim 1, wherein a fan (14) is arranged on the right side of the upper end of the first rack (1), an air outlet pipe is arranged on the right part of the fan (14), the right end of the air outlet pipe is connected with a plurality of air supply hoses (15) through multi-way valves, and the other ends of the air supply hoses (15) are respectively connected with an air blowing seat (12).
5. The pipeline outer wall magnetic flux leakage detector of claim 1, characterized in that the obstacle cleaning module (16) comprises a fixed frame (1601), a threaded sleeve (1602) and a threaded rod (1603), the right end of the fixed frame (1601) is connected with the threaded sleeve (1602), the threaded rod (1603) is in threaded connection with the middle of the threaded sleeve (1602), an adjusting nut (1604) is arranged at the upper end of the threaded rod (1603), a sliding groove (1605) is arranged at the lower end of the threaded rod (1603), a buffer rod (1606) is connected in the sliding groove (1605), a spring (1607) is connected at the upper end of the buffer rod (1606), a motor (1608) is connected at the lower end of the buffer rod (1606), and a steel wire brush head (1609).
6. The pipeline outer wall magnetic leakage detector of claim 1, characterized in that, the left part of the first frame (1) is connected with a tablet computer (18) through a lead (17), and the tablet computer (18) is electrically connected with the magnetic leakage detector main body (8), the battery (9), the fan (14) and the motor (1608).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011465720.7A CN113030246B (en) | 2020-12-14 | 2020-12-14 | Magnetic leakage detector for outer wall of pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011465720.7A CN113030246B (en) | 2020-12-14 | 2020-12-14 | Magnetic leakage detector for outer wall of pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113030246A true CN113030246A (en) | 2021-06-25 |
| CN113030246B CN113030246B (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011465720.7A Active CN113030246B (en) | 2020-12-14 | 2020-12-14 | Magnetic leakage detector for outer wall of pipeline |
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| CN (1) | CN113030246B (en) |
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| CN110605280A (en) * | 2019-10-17 | 2019-12-24 | 浙江越新检测技术有限公司 | Outer wall belt cleaning device is used in pipeline magnetic leakage detection |
| CN211574789U (en) * | 2019-12-31 | 2020-09-25 | 中国石油集团川庆钻探工程有限公司 | Automatic walking device for detecting and magnetizing magnetic flux leakage of pipeline |
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