CN207262060U - A kind of Pipeline Magnetic Flux Leakage Inspection system - Google Patents
A kind of Pipeline Magnetic Flux Leakage Inspection system Download PDFInfo
- Publication number
- CN207262060U CN207262060U CN201721217178.7U CN201721217178U CN207262060U CN 207262060 U CN207262060 U CN 207262060U CN 201721217178 U CN201721217178 U CN 201721217178U CN 207262060 U CN207262060 U CN 207262060U
- Authority
- CN
- China
- Prior art keywords
- magnetic flux
- flux leakage
- section
- computer
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model is specifically related to a kind of Pipeline Magnetic Flux Leakage Inspection system, including Magnetic Flux Leakage Inspecting section, computer section and battery section；Connected between Magnetic Flux Leakage Inspecting section and computer section and between computer section and battery section by universal joint；Magnetic Flux Leakage Inspecting section includes leakage field sleeve, multiple Magnetic Flux Leakage Inspecting unit, spring leaf and connecting rods；Leakage field sleeve is axially disposed and both ends are equipped with mounting flange, and multiple Magnetic Flux Leakage Inspecting units are uniformly arranged in the circumferential direction on leakage field sleeve outer wall；One end of Magnetic Flux Leakage Inspecting unit is hinged with connecting rod one end, and the other end and the leakage field sleeve of connecting rod are hinged, and the Magnetic Flux Leakage Inspecting unit other end is connected with spring leaf, and spring leaf end is fixedly connected with leakage field sleeve outer wall, and the axial end face of computer section is provided with mileage wheel.Pipeline Magnetic Flux Leakage Inspection system provided by the utility model can ensure that probe detection faces are parallel all the time with detected face, substantially reduce the mechanical oscillation in moving process, and can realize and be close to inner-walls of duct movement detection.
Description
Technical field
Pipeline inspection technology field is the utility model is related to, is specially a kind of Pipeline Magnetic Flux Leakage Inspection system.
Background technology
At present, the serious problems that China's long oil and gas pipeline faces are：Most of in-service pipelines are to build 60 to the seventies
, the aged phase in having entered, in the Frequent Accidents stage.Maintenance cost of the China every year for oil-gas pipeline is up to several hundred million
Member, and have the trend being stepped up.Due to the restriction of examined means, pipe damage situation majority cannot definitely differentiate and determine
Position, often results in and blindly excavates, blindly scraps, repairing and lack the unnecessary loss such as science.Leakage method is defeated to oil gas length
Pipeline carries out one of important means of Non-Destructive Testing, the magnetic leakage field strength for the ferromagnetic material workpiece surface that it is magnetized by measurement
Spend to judge the size of workpiece, defect.The testing principle of leakage method is that requirement testee has preferable magnetic flux characteristic, works as quilt
After surveying the local flux saturation of object, the two poles of the earth of magnet form the magnetic field of closing with testee, if measured object in-vivo medium
It is uniformly distributed, tight, without inside and outside defect ideally thinks that no magnetic flux passes through from outer wall.However, existing leakage field inspection
Probing head is during scanning, probe detection faces and detected surface non-parallel contact, and the rough caused machinery of detection faces shakes
The factor such as dynamic can reduce detection sensitivity, testing result is produced large error；Further, since pipeline inside diameter size is not
It is that uniformity is set, there is undergauge to a certain extent, existing Magnetic Flux Leakage Testing System overall structure is fixed, underaction,
It is difficult to be close to inner-walls of duct to carry out moving detection.
Utility model content
Make testing result error larger with detected surface non-parallel contact to solve probe detection faces in the prior art；It is existing
Some Magnetic Flux Leakage Testing System overall structures are fixed, underaction, it is difficult to are close to the problem of inner-walls of duct carries out moving detection, this reality
It is reasonable in design with the new one kind that provides, it can ensure that probe detection faces are parallel all the time with detected face, substantially reduce shifting
Mechanical oscillation during dynamic, and can realize the Pipeline Magnetic Flux Leakage Inspection system for being close to inner-walls of duct movement detection.
The technical solution of the utility model is：
A kind of Pipeline Magnetic Flux Leakage Inspection system, including Magnetic Flux Leakage Inspecting section, computer section and battery section, it is characterized in that：
The Magnetic Flux Leakage Inspecting section, computer section and battery section are set gradually from left to right, between the Magnetic Flux Leakage Inspecting section and computer section
And connected between computer section and battery section by universal joint；The Magnetic Flux Leakage Inspecting section includes leakage field sleeve, multiple leakage fields
Detection unit, spring leaf and connecting rod；The leakage field sleeve is axially disposed and both ends are equipped with mounting flange, multiple Magnetic Flux Leakage Inspecting lists
Member is uniformly arranged in the circumferential direction on leakage field sleeve outer wall, and Magnetic Flux Leakage Inspecting unit is connected with the computer system in computer section, electricity
Promising computer system is set to provide the battery pack of electric power in Chi Jie；Cut with scissors with connecting rod one end one end of the Magnetic Flux Leakage Inspecting unit
Connect, the other end and the leakage field sleeve of connecting rod are hinged, and the Magnetic Flux Leakage Inspecting unit other end is connected with spring leaf, spring leaf end and leakage field
Sleeve outer wall is fixedly connected, and elastic damping ring is equipped between the leakage field sleeve outer wall and connecting rod；The axial direction of the computer section
End face is provided with mileage wheel, and the mileage wheel is by supporting wheel carrier to be hinged with computer section axial end face, the axis of the mileage wheel
Extension spring is provided between end cap cylinder and computer section axial end face.
Further, the spring leaf is double-spring piece structure, and double-spring piece structure includes the big spring piece in outside and interior
The little spring piece of side, the upper and lower end of the big spring piece and little spring piece are arc-shaped, and centre is flat, big spring
It is fixedly connected after the bottom of piece and little spring piece is overlapping with leakage field sleeve outer wall, the upper end weight of big spring piece and little spring piece
Poststack is fixedly connected with Magnetic Flux Leakage Inspecting unit.Spring leaf uses double-spring piece structure, and one is added in Magnetic Flux Leakage Inspecting unit lower end
A fulcrum, is conducive to increase the fitting area of sensor assembly and detected inner-walls of duct.
Further, the upper end curvature of the big spring piece is less than the upper end curvature of little spring piece so that spring leaf
Overall elastic performance is more preferable.
Further, the Magnetic Flux Leakage Inspecting unit includes magnetic conduction pedestal, sensor assembly, magnet piece, magnetic conduction gasket, wear-resisting
Gasket, left cladding plate and right cladding plate；The sensor assembly is connected with the computer system in computer section；The sensor
Module is located in the middle part of magnetic conduction pedestal lateral surface, and magnet piece is located on the magnetic conduction pedestal lateral surface at sensor assembly both ends；Wear-resistant pad
Piece and magnetic conduction gasket are successively set on magnet piece；Be equipped with the left of the magnetic conduction pedestal cladding left side magnet piece, magnetic conduction gasket and
The left cladding plate of wear-resistant gasket, left cladding plate end are hinged by articulated shaft and connecting rod, and cladding is equipped with the right side of the magnetic conduction pedestal
The right cladding plate of right side magnet piece, magnetic conduction gasket and wear-resistant gasket, right cladding plate bottom surface are fixedly connected with the upper end of spring leaf.
It is convenient that the assembling of Magnetic Flux Leakage Inspecting unit all parts coordinates, and integral installation is compact-sized.
Further, the other end of the connecting rod is hinged with the hinged seat on leakage field sleeve outer wall, spring leaf end and leakage
Seat board on magnetosheath drum outer wall is fixedly connected so that magnetic conduction pedestal can activity distribution on the circumference of leakage field sleeve.
Further, the lateral surface of the wear-resistant gasket is the arcuate structure to match with inner-walls of duct, and wear-resistant gasket, lead
Magnetic insert and magnet piece are fixed on magnetic conduction pedestal by perforative screw, are fixed by screw, and assembly and disassembly is convenient, is conducive to
Later maintenance.
Further, the leakage field sleeve left end face, which is equipped with, prevents raming, and pacifies on the mounting flange at leakage field sleeve both ends
Equipped with support leather cup, the rim of a bowl of two support leather cups is towards identical setting.Anti- ram can play good protection effect, avoid
Leakage field sleeve left-hand end is hit and is damaged；Leather cup and inner-walls of duct sliding contact are supported, reduces running resistance.
Further, the computer section includes the computer sleeve that both ends carry mounting flange, and computer system is set
In computer sleeve, support leather cup, the rim of a bowl court of two support leather cups are installed on the mounting flange at computer sleeve both ends
To identical setting, support leather cup and inner-walls of duct sliding contact, reduce running resistance.
Further, the battery section includes the Battery shell that both ends are equipped with mounting flange, and electricity is provided with Battery shell
Pond group, is provided with the mounting flange end face of Battery shell right end and launches head, electricity with the communication of computer system communication connection
Support leather cup is installed, the rims of a bowl of two support leather cups is towards identical setting on the mounting flange at pond sleeve both ends.Battery section is
Whole detecting system provides electric power；Communication is carried out by communication transmitting head with exterior computer system to be connected.Computer section
By supporting leather cup and inner-walls of duct sliding contact, while reducing running resistance, computer section outer wall is avoided to be worn.
The advantages of the utility model is：
1. Magnetic Flux Leakage Inspecting unit, connecting rod, spring leaf and leakage field sleeve composition elastic hinge joint structure in the utility model, can
Ensure that sensor assembly detection faces remain parallel with inner-walls of duct, and upper and lower scope of activities is big, can better adapt to pipe
Road actual condition.
2. mileage wheel is by supporting wheel carrier and extension spring to be fitted to computer sleeve right end in the utility model
On mounting flange end face so that in mobile detection process, even if pipeline inside diameter size changes, also ensure that mileage
Wheel is tightly attached onto with inner-walls of duct, is reduced the skidding of mileage wheel and is had skidded phenomenon, it is ensured that mileage record is accurate.
3. spring leaf uses double-spring piece structure in the utility model, a branch is added in Magnetic Flux Leakage Inspecting unit lower end
Point, is conducive to increase the fitting area of sensor assembly and detected inner-walls of duct；Elastic damping ring and spring leaf coordinate can
Good damping effect is played, substantially reduces the mechanical oscillation produced in mobile detection process, it is ensured that detection data are more accurate.
4. the structure design of the utility model is reasonable, it can ensure that probe detection faces are parallel all the time with detected face, drop significantly
Inner-walls of duct movement detection is close in mechanical oscillation in low moving process, realization.
Brief description of the drawings
Fig. 1 is the utility model embodiment Pipeline Magnetic Flux Leakage Inspection system construction drawing；
Fig. 2 is the utility model embodiment Magnetic Flux Leakage Inspecting nodule composition.
Reference numeral：1- Magnetic Flux Leakage Inspecting sections, 2- computer sections, 3- battery sections, 4- universal joints, 5- support wheel carriers, 6- stretchings
Spring, 7- mileage wheels, 8- support leather cups, 9- prevent raming, 10- mounting flanges, 11- leakage field sleeves, 12- connecting rods, the left claddings of 13-
Plate, 14- magnetic conduction gaskets, 15- magnetic conduction pedestals, 16- sensor assemblies, 17- wear-resistant gaskets, 18- magnet pieces, the right cladding plates of 19-,
20- little spring pieces, 21- big spring pieces, 22- seat boards, 23- hinged seats, 24- screws, 25- elastic damping rings.
Embodiment
With reference to Figure of description, the technical scheme in the utility model embodiment is clearly and completely described.
Obviously, described embodiment is only the utility model part of the embodiment, instead of all the embodiments.It is new based on this practicality
The embodiment of type, the other embodiment that those of ordinary skill in the art are obtained on the premise of not making the creative labor,
It shall fall within the protection scope of the present invention.
As shown in Figure 1 and Figure 2, Pipeline Magnetic Flux Leakage Inspection system includes Magnetic Flux Leakage Inspecting section 1, the calculating set gradually from left to right
Machine section 2 and battery section 3, by universal between Magnetic Flux Leakage Inspecting section 1 and computer section 2 and between computer section 2 and battery section 3
The connection of section 4, Magnetic Flux Leakage Inspecting section 1 include the leakage field sleeve 11 that axially disposed and both ends carry mounting flange 10, leakage field sleeve 11
On be circumferentially evenly equipped with multiple Magnetic Flux Leakage Inspecting units, Magnetic Flux Leakage Inspecting unit connects with the computer system communication in computer section 2
Connect, set promising computer system to provide the battery pack of electric power in battery section 3；Magnetic Flux Leakage Inspecting unit one end is hinged with connecting rod 12,
12 end of connecting rod and the hinged seat 23 on 11 outer wall of leakage field sleeve are hinged, and the Magnetic Flux Leakage Inspecting unit other end is fixed with spring leaf, bullet
Leaf end is fixedly connected with the seat board 22 on 11 outer wall of leakage field sleeve, and bullet is fixed between 11 outer wall of leakage field sleeve and connecting rod 12
Property damping ring 25.
Magnetic Flux Leakage Inspecting unit includes magnetic conduction pedestal 15, and sensor assembly 16 is provided with the middle part of 15 lateral surface of magnetic conduction pedestal, passes
Sensor module is connected with the computer system in computer section；Set on 15 lateral surface of magnetic conduction pedestal at 16 both ends of sensor assembly
There is magnet piece 18, wear-resistant gasket 17 and magnetic conduction gasket 14 are disposed with magnet piece 18, the left side of magnetic conduction pedestal 15 is equipped with cladding
The left cladding plate 13 of left side magnet piece 18, magnetic conduction gasket 14 and wear-resistant gasket 17, the magnet piece 18 in left side, magnetic conduction gasket 14 and resistance to
Mill gasket 17 is fixed on left cladding plate 13, and left 13 end of cladding plate is hinged by articulated shaft and connecting rod 12, magnetic conduction pedestal
Right cladding plate 19 of 15 right sides equipped with cladding right side magnet piece 18, magnetic conduction gasket 14 and wear-resistant gasket 17, the magnet piece 18 on right side,
Magnetic conduction gasket 14 and wear-resistant gasket 17 are fixed on right cladding plate 19, right 19 underrun bolt of cladding plate and spring leaf
Upper end is fixedly connected；The lateral surface of wear-resistant gasket 17 is in the arcuate structure to match with inner-walls of duct, wear-resistant gasket 17, magnetic conduction
Gasket 14 and magnet piece 18 are fixed on magnetic conduction pedestal 15 by perforative screw 24.It is fixed among 11 left end face of leakage field sleeve
Have it is anti-ram 9, anti-ram 9 can play good protection effect, avoid 11 left-hand end of leakage field sleeve from being hit and damaged；Leakage
Support leather cup 8 is mounted on the mounting flange 10 at 11 both ends of magnetic sleeve, the rim of a bowl of two support leather cups 8 is towards identical setting.
Above-mentioned spring leaf is double-spring piece structure, and double-spring piece structure includes the big spring piece 21 in outside and the small bullet of inner side
The upper and lower end of reed 20, big spring piece 21 and little spring piece 20 is arc-shaped, and centre is flat, 21 He of big spring piece
The bottom of little spring piece 20 is overlapping to be fixedly connected with the seat board 22 on 11 outer wall of leakage field sleeve afterwards, big spring piece 21 and little spring
The upper end of piece 20 is overlapping to be fixedly connected with Magnetic Flux Leakage Inspecting unit end afterwards；The curvature of the upper end of big spring piece 21 is less than small bullet
The curvature of the upper end of reed 20.
Computer section 2 includes the computer sleeve that both ends carry mounting flange, and department of computer science is provided with computer sleeve
Unite, support leather cup 8 is installed, computer section 2 is by supporting leather cup 8 and inner-walls of duct on the mounting flange at computer sleeve both ends
Sliding contact, while reducing running resistance, avoids 2 outer wall of computer section from being worn；The rim of a bowl direction of two support leather cups 8
Identical setting.Circumferentially distribution is provided with mileage wheel 7, mileage wheel 7 on the mounting flange end face of computer sleeve right end
By supporting wheel carrier 5 to be articulated and connected with mounting flange end face, it is provided between the shaft end sleeve of mileage wheel 7 and mounting flange end face
Extension spring 6.
Battery section 3 includes the Battery shell that both ends carry mounting flange, and battery pack, Battery shell are provided with Battery shell
It is provided with the mounting flange end face of right end and launches head with the communication of computer system communication connection.The peace at Battery shell both ends
Support leather cup 8 is installed, the rim of a bowl of two support leather cups 8 is towards identical setting on dress flange.
Magnetic Flux Leakage Inspecting unit, connecting rod 13, spring leaf and leakage field sleeve 11 form elastic hinge joint structure, it can be ensured that sensor
16 detection faces of module remain parallel with inner-walls of duct, and upper and lower scope of activities is big, can better adapt to the actual work of pipeline
Condition；Spring leaf uses double-spring piece structure, and a fulcrum is added in Magnetic Flux Leakage Inspecting unit lower end, is conducive to increase sensor die
The fitting area of block 16 and detected inner-walls of duct；Elastic damping ring 25 and spring leaf, which coordinate, can play good damping effect
Fruit, substantially reduces the mechanical oscillation produced in mobile detection process, it is ensured that detection data are more accurate；Mileage wheel 7 passes through support
Wheel carrier 5 and extension spring 6 are fitted on the mounting flange end face of computer sleeve right end so that in mobile detection process
In, even if pipeline inside diameter size changes, also ensure that mileage wheel is tightly attached onto with inner-walls of duct, in reduction
Journey wheel skids and has skidded phenomenon, it is ensured that mileage record is accurate.
Claims (9)
1. a kind of Pipeline Magnetic Flux Leakage Inspection system, including Magnetic Flux Leakage Inspecting section, computer section and battery section, it is characterised in that：The leakage
Magnetic testi section, computer section and battery section are set gradually from left to right, between the Magnetic Flux Leakage Inspecting section and computer section and are counted
Connected between calculation machine section and battery section by universal joint；
The Magnetic Flux Leakage Inspecting section includes leakage field sleeve, multiple Magnetic Flux Leakage Inspecting unit, spring leaf and connecting rods；
The leakage field sleeve is axially disposed and both ends are equipped with mounting flange, and multiple Magnetic Flux Leakage Inspecting units are uniformly arranged in the circumferential direction
On leakage field sleeve outer wall, Magnetic Flux Leakage Inspecting unit is connected with the computer system in computer section, and promising calculating is set in battery section
Machine system provides the battery pack of electric power；
One end of the Magnetic Flux Leakage Inspecting unit is hinged with connecting rod one end, and the other end and the leakage field sleeve of connecting rod are hinged, Magnetic Flux Leakage Inspecting
The unit other end is connected with spring leaf, and spring leaf end is fixedly connected with leakage field sleeve outer wall, the leakage field sleeve outer wall and company
Elastic damping ring is equipped between bar；
The axial end face of the computer section is provided with mileage wheel, and the mileage wheel is by supporting wheel carrier and computer section axial end
Face is hinged, and extension spring is provided between the shaft end sleeve and computer section axial end face of the mileage wheel.
2. Pipeline Magnetic Flux Leakage Inspection system according to claim 1, it is characterised in that：The spring leaf is double-spring piece knot
Structure, the big spring piece of double-spring piece structure including outside and the little spring piece of inner side, the big spring piece and little spring piece it is upper,
Bottom is arc-shaped, and centre is flat, after the bottom of big spring piece and little spring piece is overlapping and leakage field sleeve outer wall
It is fixedly connected, the upper end of big spring piece and little spring piece is overlapping to be fixedly connected with Magnetic Flux Leakage Inspecting unit afterwards.
3. Pipeline Magnetic Flux Leakage Inspection system according to claim 2, it is characterised in that：The upper end curvature of the big spring piece
Less than the upper end curvature of little spring piece.
4. according to the Pipeline Magnetic Flux Leakage Inspection system described in claim 1 or 2 or 3, it is characterised in that：The Magnetic Flux Leakage Inspecting unit bag
Include magnetic conduction pedestal, sensor assembly, magnet piece, magnetic conduction gasket, wear-resistant gasket, left cladding plate and right cladding plate；The sensor
Module is connected with the computer system in computer section；
The sensor assembly is located in the middle part of magnetic conduction pedestal lateral surface, and magnet piece is located at outside the magnetic conduction pedestal at sensor assembly both ends
On side；Wear-resistant gasket and magnetic conduction gasket are successively set on magnet piece；
The left cladding plate of cladding left side magnet piece, magnetic conduction gasket and wear-resistant gasket, left cladding plate are equipped with the left of the magnetic conduction pedestal
End is hinged by articulated shaft and connecting rod, and cladding right side magnet piece, magnetic conduction gasket and wear-resistant pad are equipped with the right side of the magnetic conduction pedestal
The right cladding plate of piece, right cladding plate bottom surface are fixedly connected with the upper end of spring leaf.
5. Pipeline Magnetic Flux Leakage Inspection system according to claim 4, it is characterised in that：The other end of the connecting rod and leakage field set
Hinged seat on drum outer wall is hinged, and spring leaf end is fixedly connected with the seat board on leakage field sleeve outer wall.
6. Pipeline Magnetic Flux Leakage Inspection system according to claim 5, it is characterised in that：The lateral surface of the wear-resistant gasket be with
The arcuate structure that inner-walls of duct matches, wear-resistant gasket, magnetic conduction gasket and magnet piece are fixed on magnetic conduction base by perforative screw
On seat.
7. Pipeline Magnetic Flux Leakage Inspection system according to claim 6, it is characterised in that：The leakage field sleeve left end face is equipped with
It is anti-to ram, support leather cup is mounted on the mounting flange at leakage field sleeve both ends, the rim of a bowl of two support leather cups is set towards identical
Put.
8. Pipeline Magnetic Flux Leakage Inspection system according to claim 7, it is characterised in that：The computer section is carried including both ends
The computer sleeve of mounting flange, computer system are arranged in computer sleeve, on the mounting flange at computer sleeve both ends
Support leather cup is installed, the rims of a bowl of two support leather cups is towards identical setting.
9. Pipeline Magnetic Flux Leakage Inspection system according to claim 8, it is characterised in that：The battery section includes both ends and is equipped with peace
Fill the Battery shell of flange, be provided with battery pack in Battery shell, be provided with the mounting flange end face of Battery shell right end with
The communication transmitting head of computer system communication connection, is provided with support leather cup on the mounting flange at Battery shell both ends, two
The rim of a bowl of leather cup is supported towards identical setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721217178.7U CN207262060U (en) | 2017-09-21 | 2017-09-21 | A kind of Pipeline Magnetic Flux Leakage Inspection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721217178.7U CN207262060U (en) | 2017-09-21 | 2017-09-21 | A kind of Pipeline Magnetic Flux Leakage Inspection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207262060U true CN207262060U (en) | 2018-04-20 |
Family
ID=61918625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721217178.7U Active CN207262060U (en) | 2017-09-21 | 2017-09-21 | A kind of Pipeline Magnetic Flux Leakage Inspection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207262060U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514544A (en) * | 2017-09-21 | 2017-12-26 | 中国石油天然气集团公司管材研究所 | A kind of Pipeline Magnetic Flux Leakage Inspection system |
| CN110360407A (en) * | 2019-07-29 | 2019-10-22 | 东北石油大学 | A kind of creeping-type Conversion Furnace Tubes in Hydrogen Plants magnetic flux leakage detection device and its detection method |
| CN112178359A (en) * | 2020-09-24 | 2021-01-05 | 中石油西北联合管道有限责任公司 | Gas transmission pipeline ball receiving and dispatching vehicle |
| CN112881514A (en) * | 2021-01-22 | 2021-06-01 | 北京埃彼咨能源科技有限公司 | Magnetic leakage imaging internal detector for oil and gas pipeline |
-
2017
- 2017-09-21 CN CN201721217178.7U patent/CN207262060U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514544A (en) * | 2017-09-21 | 2017-12-26 | 中国石油天然气集团公司管材研究所 | A kind of Pipeline Magnetic Flux Leakage Inspection system |
| CN110360407A (en) * | 2019-07-29 | 2019-10-22 | 东北石油大学 | A kind of creeping-type Conversion Furnace Tubes in Hydrogen Plants magnetic flux leakage detection device and its detection method |
| CN112178359A (en) * | 2020-09-24 | 2021-01-05 | 中石油西北联合管道有限责任公司 | Gas transmission pipeline ball receiving and dispatching vehicle |
| CN112881514A (en) * | 2021-01-22 | 2021-06-01 | 北京埃彼咨能源科技有限公司 | Magnetic leakage imaging internal detector for oil and gas pipeline |
| CN112881514B (en) * | 2021-01-22 | 2023-08-29 | 北京埃彼咨能源科技有限公司 | Magnetic leakage imaging internal detector for oil and gas pipeline |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107514544A (en) | A kind of Pipeline Magnetic Flux Leakage Inspection system | |
| CN207262060U (en) | A kind of Pipeline Magnetic Flux Leakage Inspection system | |
| CN103470959B (en) | Based on pick-up unit in the oil and gas pipes intelligence of multimode integrated positioning | |
| US11946903B2 (en) | Magnetizer with cushion | |
| CN101819181B (en) | Pipeline defect and magnetic leakage detection device | |
| MXPA97003099A (en) | Magnetic flow tube inspection device for analyzing anomalies in a tube wall | |
| CN104764801A (en) | Magnetic leakage corrosion track detector for inner wall of pipeline | |
| CN106198720A (en) | A kind of interior crossing type inner-walls of duct defect ACFM probe | |
| WO2024078154A1 (en) | Detection device and method for pipeline weld defects | |
| CN112130099A (en) | Residual magnetism detection device in buried pipeline | |
| CN110441387A (en) | Comprehensive flux leakage detector | |
| CN204536267U (en) | Inner-walls of duct flux leakage corrosion footpath detecting device | |
| CN110441386A (en) | Defect of pipeline multidimensional detection device | |
| CN103868984A (en) | Device for detecting damage to inner surface of overground high-pressure manifold | |
| CN103411523A (en) | Piston reciprocating-type gasoline engine connecting rod deformation flaw detection ruler and detection method | |
| CN208239352U (en) | Multi-faceted pipeline defect detection device based on leakage method | |
| CN208239347U (en) | Defect of pipeline multidimensional detection device | |
| CN208239348U (en) | Circumferential flux leakage detector | |
| CN210155074U (en) | Pipeline ultrahigh-definition magnetic flux leakage detection device with detection units arranged in head-tail staggered manner | |
| CN104374350A (en) | Thickness detecting probe for wheel type pipeline detector | |
| CN205957897U (en) | How much deformation test wares in high performance pipeline based on space magnetic -field measurement | |
| CN209432044U (en) | A kind of highway bridge subgrade and pavement rebound deflection detection device | |
| CN208239355U (en) | Comprehensive flux leakage detector | |
| CN206960404U (en) | A kind of inner-walls of duct detection means | |
| CN207797940U (en) | A kind of measuring device of monitoring coal mine tunnel top board displacement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |