CN113030246B - Magnetic leakage detector for outer wall of pipeline - Google Patents
Magnetic leakage detector for outer wall of pipeline Download PDFInfo
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- CN113030246B CN113030246B CN202011465720.7A CN202011465720A CN113030246B CN 113030246 B CN113030246 B CN 113030246B CN 202011465720 A CN202011465720 A CN 202011465720A CN 113030246 B CN113030246 B CN 113030246B
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- rack
- frame
- blowing
- leakage detector
- pipeline
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- 230000005291 magnetic effect Effects 0.000 title claims abstract description 26
- 238000007664 blowing Methods 0.000 claims abstract description 32
- 230000004907 flux Effects 0.000 claims abstract description 19
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 238000013016 damping Methods 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 abstract description 19
- 230000000007 visual effect Effects 0.000 abstract description 5
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 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
- 231100000719 pollutant Toxicity 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
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- 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 frame, 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 frame, the fixed sleeve at the front end of the first frame is rotationally connected with a first rotary sleeve through a damping rotating shaft, one side, far away from the first frame, of the peripheral surface of the first rotary sleeve is jointly connected with a second frame, the fixed sleeve at the rear end of the first frame is rotationally connected with a second rotary sleeve through the damping rotating shaft, and one side, far away from the first frame, of the peripheral surface of the second rotary sleeve is jointly connected with a third frame; the device is convenient to carry, can expand according to the pipeline diameter and adjust, application scope is wide, shock attenuation buffering effect is good, and equipment fault rate is low, can clean and blow away the foreign matter on the steel pipe, but the great leak point of visual detection has improved the detection precision of magnetic leakage detector main part to and the ride comfort of equipment when moving 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 magnetic flux leakage detector for the outer wall of a pipeline.
Background
The oil gas pipeline is used as a petroleum and natural gas conveying tool, and under the condition of long-period running, major accidents such as major fire or explosion and the like caused by oil leakage due to corrosion perforation, cracking, sealing failure and the like can occur, so that serious threat is formed to life and property safety and ecological environment of people, and the magnetic leakage detection is a more common nondestructive detection means of ferromagnetic materials and is more commonly used in defect detection of the oil gas pipeline, and has the advantages of high detection sensitivity, no need of couplant, no pollution and the like.
At present, the existing magnetic flux leakage detector is inconvenient to carry and expand, needs longer preparation time and debugging time, is low in working efficiency, and affects the stability of the detector in moving on a pipeline and the final detection precision when more impurities are attached to the pipeline, and affects naked eye observation.
Disclosure of Invention
Object of the invention
In order to solve the technical problems in the background technology, the invention provides the magnetic flux leakage detector for the outer wall of the pipeline, and the magnetic flux leakage detector is convenient to carry, can be unfolded and adjusted according to the diameter of the pipeline, has wide application range, good damping and buffering effects and low equipment failure rate, can clean and blow away foreign matters on a steel pipe, can intuitively detect larger leakage points, improves the detection precision of the main body of the magnetic flux leakage detector, and has smoothness when equipment moves on the pipeline, and the operation is simple and convenient.
(II) technical scheme
In order to solve the problems, the invention provides a magnetic flux leakage detector for the outer wall of a pipeline, which comprises a first rack, a blowing module and an obstacle cleaning module, wherein a plurality of fixing sleeves are arranged at the front end and the rear end of the first rack, the fixing sleeves at the front end of the first rack are rotationally connected with a first rotating sleeve through a damping rotating shaft, one side, far away from the first rack, of the peripheral surface of the first rotating sleeve is jointly connected with a second rack, the fixing sleeves at the rear end of the first rack are rotationally connected with a second rotating sleeve through the damping rotating shaft, one side, far away from the first rack, of the peripheral surface of the second rotating sleeve is jointly connected with a third rack, the middles of the upper ends of the first rack, the second rack and the third rack are respectively provided with a magnetic flux leakage detector body in an embedded manner, the lower sides of the right ends of the first rack, the second rack and the third rack are respectively provided with a blowing module, the blowing module comprises a blowing seat and a blowing pipe, the blowing seat is arranged into a hollow structure, the right end of the blowing seat is respectively provided with a plurality of blowing pipes, and the upper sides of the right ends of the first rack, the second rack and the third rack are respectively provided with the obstacle cleaning module.
Preferably, the left sides of the upper ends of the first rack, the second rack and the third rack are provided with batteries, and the left sides and the right sides of the lower ends of the first rack, the second rack and the third rack are provided with movable wheels.
Preferably, the second frame and the third frame are all provided with the handle far away from first frame one end, and every handle middle part all overlaps and is equipped with the antiskid cover.
Preferably, a fan is arranged on the right side of the upper end of the first frame, an air outlet pipe is arranged on the right portion of the fan, the right end of the air outlet pipe is connected with a plurality of air supply hoses through a multi-way valve, and the other ends of the air supply hoses are respectively connected with an air blowing seat.
Preferably, the obstacle cleaning module comprises a fixing frame, a thread bush and a threaded rod, wherein the right end of the fixing frame is connected with the thread bush, the middle part of the thread bush is connected with the threaded rod in a threaded manner, an adjusting nut is arranged at the upper end of the threaded rod, a sliding groove is arranged at the lower end of the threaded rod, a buffer rod is connected inside the sliding groove in a sliding manner, a spring is connected at the upper end of the buffer rod, a motor is connected at the lower end of the buffer rod, and a steel wire brush head is connected with the motor through a motor shaft.
Preferably, the left part of the first rack 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, drive the steel wire brush head through panel computer starter motor and rotate, can clean the foreign matter on the steel pipe from this, great foreign matter can drive the buffer rod and reciprocate, buffer through the spring, avoid equipment damage, the fault rate has been reduced, simultaneously start the fan, it blows out through the jet-propelled pipe to blow out the seat through the air supply hose air supply, thoroughly blow away the pollutant after cleaning, but make the great leak point of visual detection of naked eye, avoid adhering to the foreign matter influence detection on the pipeline simultaneously, and guarantee the ride comfort of equipment when moving on the pipeline, the comprehensive detection is carried out to the rethread magnetic leakage detector main part, the precision of having improved the detection, but visual observation detection result through the panel computer, 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 according to the present invention.
Fig. 2 is an enlarged view of a in the pipe outer wall magnetic flux leakage detector according to the present invention.
Fig. 3 is a schematic structural diagram of an obstacle clearing module in the magnetic flux leakage detector for the outer wall of the pipeline.
Reference numerals: 1. a first frame; 2. a fixed 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-skid sleeve; 12. a blowing seat; 13. a gas lance; 14. a blower; 15. an air supply hose; 16. an obstacle cleaning module; 17. a wire; 18. a tablet computer; 1601. a fixing frame; 1602. a thread sleeve; 1603. a threaded rod; 1604. an adjusting nut; 1605. a chute; 1606. a buffer rod; 1607. a spring; 1608. a motor; 1609. a steel wire brush head.
Detailed Description
The objects, technical solutions and advantages of the present invention will become more apparent by the following detailed description of the present invention with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the invention. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure 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 sleeves 2 at the front end of the first frame 1 are rotationally connected with a first rotary sleeve 3 through a damping rotating shaft, one side, far away from the first frame 1, of the peripheral surface of the first rotary sleeve 3 is jointly connected with a second rotary sleeve 5, one side, far away from the first frame 1, of the peripheral surface of the second rotary sleeve 5 is jointly connected with a third frame 6, the middle parts of the upper ends of the first frame 1, the second frame 4 and the third frame 6 are respectively provided with a magnetic flux leakage detector main body in an embedded manner, the left sides of the upper ends of the first frame 1, the second frame 4 and the third frame 6 are respectively provided with a battery 9, and the left sides and right sides of the lower ends of the first frame 1, the second frame 4 and the third frame 6 are respectively provided with a movable wheel 7;
the second rack 4 and the third rack 6 are respectively provided with a handle 10 at one end far away from the first rack 1, an anti-skid sleeve 11 is sleeved in the middle of each handle 10, 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 blowing 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 blowing pipes 13, the right side of the upper end of the first rack 1 is provided with a fan 14, the right part of the fan 14 is provided with an air outlet pipe, the right end of the air outlet pipe is connected with a plurality of air supply hoses 15 through a multi-way valve, the other ends of the air supply hoses 15 are respectively connected with the blowing seats 12, and the upper sides of the right ends of the first rack 1, the second rack 4 and the third rack 6 are respectively provided with an obstacle cleaning module 16;
the obstacle cleaning module 16 comprises a fixing frame 1601, a thread bush 1602 and a threaded rod 1603, wherein the right end of the fixing frame 1601 is connected with the thread bush 1602, the middle thread of the thread bush 1602 is connected with the threaded rod 1603, 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 inside 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, a steel wire brush head 1609 is connected to the motor 1608 through a motor shaft, a tablet computer 18 is connected at the left part of the first frame 1 through a wire 17, and the tablet computer 18 is electrically connected with a magnetic leakage detector main body 8, a battery 9, a fan 14 and the motor 1608.
During operation, the anti-slip sleeve 11 can be conveniently carried by the handle 10, the second rack 4 and the third rack 6 can be bent by the handle 10, the first rotary sleeve 3 and the second rotary sleeve 5 rotate along the damping rotating shaft, the adjustment is convenient according to the diameter of a pipeline, the application range is wide, the moving wheel 7 is convenient to move on the pipeline, the threaded rod 1603 is driven to rotate and move downwards by the adjusting nut 1604 until the steel wire brush head 1609 abuts against the steel pipe, the motor 1608 is started by the tablet computer 18 to drive the steel wire brush head 1609 to rotate, thereby cleaning the foreign matters on the steel pipe, the larger foreign matters can drive the buffer rod 1606 to move upwards, the buffer is buffered by the spring 1607, equipment damage is avoided, the failure rate is reduced, the blower 14 is started simultaneously, the air is blown out to the air blowing seat 12 through the air blowing pipe 13, the cleaned pollutant is thoroughly blown away, the large leakage point can be visually detected, the influence of the foreign matters attached to the pipeline is avoided to the air blowing seat 13, the smoothness of the equipment when the pipeline is moved downwards is ensured, the detection is carried out by the magnetic detector main body 8, the comprehensive detection accuracy of the detection is improved, the visual detection is realized by the tablet computer 18, and the visual detection result is convenient and convenient.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explanation of the principles of the present invention and are in no way limiting of the invention. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present invention should be included in the scope of the present invention. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.
Claims (2)
1. The magnetic flux leakage detector for the outer wall of the pipeline is characterized by comprising a first rack (1), a blowing module and an obstacle cleaning module (16); the front end and the rear end of the 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 rotationally connected with a first rotary sleeve (3) through a damping rotating shaft, one side, far away from the first rack (1), of the peripheral surface of the first rotary sleeve (3) is jointly connected with a second rack (4), the fixed sleeves (2) at the rear end of the first rack (1) are rotationally connected with a second rotary sleeve (5) through the damping rotating shaft, one side, far away from the first rack (1), of the peripheral surface of the second rotary sleeve (5) is jointly connected with a third rack (6), the middles of the upper ends of the first rack (1), the second rack (4) and the third rack (6) are respectively embedded with a magnetic flux leakage detector main body (8), 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, the blowing module comprises a blowing seat (12) and a blowing pipe (13), the blowing seat (12) is arranged into a hollow structure, the right end of the blowing seat (12) is respectively provided with a plurality of air pipes (13), and the right sides of the blowing seat (12) are respectively provided with a plurality of obstacle cleaning modules (16) on the first rack (1), the second rack (4) and the right side of the obstacle cleaning module; the obstacle cleaning module (16) comprises a fixing frame (1601), a thread bush (1602) and a threaded rod (1603), wherein the right end of the fixing frame (1601) is connected with the thread bush (1602), the middle part of the thread bush (1602) is connected with the threaded rod (1603) in a threaded manner, an adjusting nut (1604) is arranged at the upper end of the threaded rod (1603), a chute (1605) is arranged at the lower end of the threaded rod (1603), a buffer rod (1606) is connected in a sliding manner in the chute (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 the motor (1608) is connected with a steel wire brush head (1609) through a motor shaft;
the left sides of the upper ends of the first rack (1), the second rack (4) and the third rack (6) are respectively provided with a battery (9), and 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) are respectively provided with a movable wheel (7);
a fan (14) is arranged on the right side of the upper end of the first frame (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 a multi-way valve, and the other ends of the air supply hoses (15) are respectively connected with an air blowing seat (12);
the left part of the first rack (1) is connected with a tablet personal computer (18) through a wire (17), and the tablet personal computer (18) is electrically connected with the magnetic flux leakage detector main body (8), the battery (9), the fan (14) and the motor (1608).
2. The magnetic flux leakage detector for the outer wall of the pipeline according to claim 1, wherein the second rack (4) and the third rack (6) are respectively provided with a handle (10) at one end far away from the first rack (1), and an anti-slip sleeve (11) is respectively sleeved at the middle part of each handle (10).
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 CN113030246A (en) | 2021-06-25 |
| CN113030246B true 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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