CN210005477U - pipeline ultra-high-definition magnetic flux leakage detection device with double detection sections - Google Patents
pipeline ultra-high-definition magnetic flux leakage detection device with double detection sections Download PDFInfo
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- CN210005477U CN210005477U CN201920865412.XU CN201920865412U CN210005477U CN 210005477 U CN210005477 U CN 210005477U CN 201920865412 U CN201920865412 U CN 201920865412U CN 210005477 U CN210005477 U CN 210005477U
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Abstract
The utility model provides an kind have two clear magnetic leakage detection device of pipeline superelevation that detect the festival, two detect all have the magnetic leakage sensing device who deploys along the axis on the festival, detect the magnetic leakage sensing device who installs on the festival I and detect the magnetic leakage sensing device who installs on the festival II and install in week dislocation set.
Description
Technical Field
The utility model relates to a clear magnetic leakage detection device of pipeline superelevation with two detection festival belongs to pipeline defect detection technical field.
Background
The pipeline is an important mode for long-distance transportation of petroleum and natural gas, the pipeline works under high pressure, long distance and severe external environment, various defects are generated on the pipe wall due to various reasons such as transmission medium corrosion, stress, construction damage, natural disasters and the like, the defects have great harmfulness to the safe operation of the pipeline, and early detection of the defects is an important means for maintaining the maintenance work of the pipeline and the integrity of the pipeline.
At present, the common in-service detection method for pipeline defects is a magnetic leakage detection technology, and the magnetic leakage detection principle is that when a ferromagnetic steel pipe is fully magnetized, magnetic lines of force in the pipe wall are blocked by defects on the surface or near surface of the ferromagnetic steel pipe, the magnetic lines of force at the defects are distorted, parts of the magnetic lines of force leak out of the inner surface and the outer surface of the steel pipe to form a magnetic leakage field, magnetic leakage signals are acquired and sensed by a magnetic sensitive element and are converted into defect electric signals, and the defect electric signals are processed by filtering, amplifying, analog-to-digital conversion and the like, so that the defect is judged.
In order to solve the problem, the utility model provides an pipeline ultra-high definition magnetic leakage detection device with two detection sections includes power section, detection section I, detection section II, record section in proper order, connects through universal coupling between each position power section is through the front and back leather cup drive, and inside is equipped with high performance, chargeable storage battery, detects section I, detects a numerous sensing detection device of section II circumference dislocation arrangement, has very strong radial compressibility simultaneously, and the record section passes through the supporting wheel support, and installs eddy current detection device.
SUMMERY OF THE UTILITY MODEL
The utility model provides a kinds of clear magnetic leakage detection device of pipeline superelevation that have two detection sections, concrete scheme is as follows:
pipeline ultra-high-definition magnetic flux leakage detection device with double detection sections, which comprises a power section, a detection section I, a detection section II and a recording section, wherein during detection, the sections are connected in series to form whole bodies, the power section is used for driving the pipeline ultra-high-definition magnetic flux leakage detection device to move back and forth in a pipeline, and the recording section is used for recording mileage information.
And , the detection section I and the detection section II have the same structure, and the detection section I and the detection section II are arranged in a staggered mode, wherein the detection units correspond to the detection section I and the detection section II.
step further, magnetic leakage sensing detection device passes through the spring and is connected with armature, armature passes through the spring and detects a cabin body coupling, install front end magnet and rear end magnet respectively around armature, preceding, the opposite installation of rear end magnet polarity.
, the armature is elastically connected to the detection joint cabin.
, the cross-sectional area of the armature in the circumferential direction should be greater than the cross-sectional area of the duct wall by more than 20-50%.
And , the power section is driven by a power leather cup.
And , mounting a supporting wheel component and a mileage wheel component on the recording joint, wherein the supporting wheel component and the mileage wheel component are elastically connected with a cabin body of the recording joint, and the mileage wheel component transmits mileage information to a device for recording mileage.
, an eddy current testing device is installed on the recording joint cabin body.
And , the device is characterized in that the pipeline ultra-high-definition magnetic flux leakage detection device with double detection sections uses a storage battery or a storage battery pack as a power source.
Further , the battery or batteries is of a rechargeable type.
Drawings
Fig. 1 is a schematic structural diagram of embodiments of the present invention;
fig. 2 is a schematic structural view of power joints according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of detection sections according to the present invention;
fig. 4 is a schematic structural diagram of recording nodes according to the present invention;
fig. 5 is an axial cross-sectional view of embodiments of the detecting section I of the present invention;
fig. 6 is an axial cross-sectional view of detection sections II according to the present invention.
Wherein: 1-power section; 2-detection section I; 3-detection section II; 4-record section; 5-universal coupling; 6-front end cover; 7-front end cover fasteners; 8-front power leather cup; 9-power joint cabin body; 10-a battery pack; 11-rear power leather cup; 12-rear end cap; 13-rear end cap fasteners; 14-detecting the joint cabin body; 15-front link; 16-a detection unit spring; 17-a front end magnet; 18-a leakage magnetic sensing device; 19-a sensing device spring; 20-a back end magnet; 21-an armature; 22-a rear link; 23-kidney shaped holes; 24-recording bay bodies; 25-a front support wheel assembly; 26-a recording unit; 27-eddy current testing device; 28-rear support wheel assembly; 29-mile wheel component.
Detailed Description
The technical scheme of the present invention is explained in detail in step with reference to the accompanying drawings:
in the embodiments of the present invention:
as shown in fig. 1, the pipeline ultra-high-definition magnetic flux leakage detection devices with double detection sections comprise a power section (1), a detection section I (2), a detection section II (3), and a recording section (4), wherein the power section (1) and the detection section I (2), the detection section I (2) and the detection section II (3), and the detection section II (3) and the recording section (4) are connected through universal couplings (5).
As shown in fig. 2, the power section (1) comprises a front end cover (6), a front end cover fastener (7), a front power leather cup (8), a power section cabin body (9), a storage battery pack (10), a rear power leather cup (11), a rear end cover (12) and a rear end cover fastener (13); the front power leather cup (8) is connected to the power joint cabin body (9) through the front end cover (6) and the front end cover fastener (7); the rear power leather cup (11) is connected to the power joint cabin body (9) through the rear end cover (12) and the rear end cover fastener (13); the storage battery (9) adopts a rechargeable type, provides electric energy for the detection device for detection, is hermetically fixed in the power joint cabin body (9), and adopts a high-energy density scheme to ensure the cruising ability of the detection device; the front power leather cup (8) and the rear power leather cup (11) jointly provide forward power for the ultrahigh-definition magnetic flux leakage detection device of the pipeline by utilizing front-back pressure difference, and meanwhile, in order to guarantee the over-bending capacity of the detection device, the distance between the front power leather cup (8) and the rear power leather cup (11) is within a reasonable range.
As shown in figure 3, the detection section I (2) and the detection section II (3) have the same structure, a sensing device is arranged in a circumferential staggered mode on the detection section I (2) and the detection section II (3) and comprises a detection section cabin body (14), a front connecting rod (15), a detection unit spring (16), a front end magnet (17), a magnetic leakage sensing device (18), a sensing device spring (19), a rear end magnet (20), an armature (21), a rear connecting rod (22) and a kidney-shaped hole (23), the front end and the rear end of the armature (21) are respectively connected with the detection section cabin body (14) through the front connecting rod (15) and the rear connecting rod (22), the rear connecting rod (22) end is connected with the kidney-shaped hole (23) in the detection section cabin body (14), the lower portion of the armature (21) is connected with the detection section cabin body (14) through the detection unit spring (16), the structure integrally guarantees that the detection device has the diameter reducing capacity of in a pipeline, in addition, the cross section area of the armature (21) in the circumferential direction is larger than that of the pipeline wall is larger than 20-50%, the magnetization effect of a magnetizing device is guaranteed, the magnetic leakage sensing device is installed on the two ends of the pipeline, the outer side of the pipeline, the magnetic leakage sensing device is installed on the outer side of the pipeline, the magnetic pole of the magnetic leakage sensing device, the magnetic leakage.
As shown in fig. 4, the recording joint (4) includes a recording joint cabin (24), a front support wheel component (25), a recording unit (26), an eddy current detection device (27), a rear support wheel component (28), and a mileage wheel component (29); the front supporting wheel component (25) and the rear supporting wheel component (28) are connected to the recording section cabin body (24) through bolt structures, and the supporting effect on the recording section is achieved together; the eddy current detection device (27) is arranged between the front support wheel component (25) and the rear support wheel component (28) and is used for identifying the defect information of the inner wall and the outer wall of the pipeline, and meanwhile, the outer surface of the eddy current detection device is provided with a wear-resistant coating; the rear end of the recording section cabin body (24) is provided with a mileage wheel component (29) which is connected to the flange surface at the rear end of the recording section cabin body (24) through bolts, and the mileage wheel component (29) is provided with an extension spring, so that the mileage wheel component (29) is tightly attached to the wall of the detected pipeline, and the mileage information of the detection device is accurately recorded.
As shown in FIGS. 5 and 6, the leakage magnetic sensing devices (18) of the detection section I (2) are uniformly distributed in the circumferential direction, on the premise of ensuring the diameter reduction capability of the device, the number of the circumferential leakage magnetic sensing devices (18) is as large as possible, and the angle between the units is theta, the arrangement position of the leakage magnetic sensing devices (18) in the circumferential direction of the detection section II (3) is equal to that of the detection section I (2) which is completely , and the difference is that the leakage magnetic sensing devices (18) in the circumferential direction of the detection section II (3) are staggered with the detection units corresponding to the detection section I (2) by theta/2, so that the leakage magnetic detection device of the pipeline can cover the circumferential direction of the pipeline without gaps.
Claims (10)
- The utility model provides a kind pipeline ultra-high-definition magnetic flux leakage detection device with two detection sections, include power section, detection section I, detection section II and record section, during the detection, each section series connection is whole, power section is used for driving pipeline ultra-high-definition magnetic flux leakage detection device and removes in the pipeline, record section is used for recording mileage information, characterized in that, the even dislocation in the circumference of detection section I and detection section II has a plurality of magnetic flux leakage sensing devices.
- 2. The ultrahigh-definition magnetic flux leakage detection device for the pipeline with the double detection sections as claimed in claim 1, wherein the detection section I and the detection section II have the same structure, and the magnetic flux leakage sensing devices at the same positions on the detection section I and the detection section II are arranged in a mutually staggered manner.
- 3. The pipeline ultra-high-definition magnetic flux leakage detection device with the double detection sections according to claim 1 or 2, wherein the magnetic flux leakage sensing devices are multidirectional hall sensors, the number of the magnetic flux leakage sensing devices is at least , the magnetic flux leakage sensing devices are connected with armatures through springs, the armatures are connected with a detection section cabin body through the springs, front-end magnetic force sources and rear-end magnetic force sources are respectively installed in front of and behind the armatures, and the front-end magnetic force sources and the rear-end magnetic force sources are installed in opposite polarities.
- 4. The ultra-high-definition magnetic flux leakage detection device for the pipeline with the double detection sections as claimed in claim 3, wherein the armature is elastically connected with a cabin body of the detection section.
- 5. The ultra-high-definition magnetic flux leakage detection device for the pipeline with the double detection sections as claimed in claim 3, wherein the sum of the cross-sectional areas of the armature in the circumferential direction is more than 20-50% larger than the cross-sectional area of the pipeline wall.
- 6. The ultra-high-definition magnetic flux leakage detection device for the pipeline with the double detection sections as claimed in claim 1 or 2, wherein the power section is driven by a power leather cup.
- 7. The ultra-high-definition magnetic flux leakage detection device for the pipeline with the double detection sections as claimed in claim 1 or 2, wherein the recording section is provided with a supporting wheel component and a mileage wheel component, the supporting wheel component and the mileage wheel component are elastically connected with a cabin body of the recording section, and the mileage wheel component transmits mileage information to the device for recording mileage.
- 8. The ultra-high-definition magnetic flux leakage detection device for the pipeline with the double detection sections as claimed in claim 7, wherein an eddy current detection device is mounted on the cabin body of the recording section.
- 9. The ultra-high-definition pipeline magnetic flux leakage detection device with the double detection sections as claimed in claim 1 or 2, wherein the ultra-high-definition pipeline magnetic flux leakage detection device with the double detection sections uses a storage battery or a storage battery pack as a power source.
- 10. The ultra-high-definition pipeline magnetic flux leakage detection device with the double detection sections according to claim 9, wherein the storage battery or the storage battery pack is of a rechargeable type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920865412.XU CN210005477U (en) | 2019-06-11 | 2019-06-11 | pipeline ultra-high-definition magnetic flux leakage detection device with double detection sections |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920865412.XU CN210005477U (en) | 2019-06-11 | 2019-06-11 | pipeline ultra-high-definition magnetic flux leakage detection device with double detection sections |
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| CN210005477U true CN210005477U (en) | 2020-01-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118819A (en) * | 2019-06-11 | 2019-08-13 | 智云安科技(北京)有限公司 | A kind of pipeline ultra high-definition leakage magnetic detection device with double detection sections |
| CN111946941A (en) * | 2020-08-11 | 2020-11-17 | 北华航天工业学院 | Universal joint of pipeline detector |
-
2019
- 2019-06-11 CN CN201920865412.XU patent/CN210005477U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118819A (en) * | 2019-06-11 | 2019-08-13 | 智云安科技(北京)有限公司 | A kind of pipeline ultra high-definition leakage magnetic detection device with double detection sections |
| CN111946941A (en) * | 2020-08-11 | 2020-11-17 | 北华航天工业学院 | Universal joint of pipeline detector |
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