CN103868984A - Device for detecting damage to inner surface of overground high-pressure manifold - Google Patents
Device for detecting damage to inner surface of overground high-pressure manifold Download PDFInfo
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- CN103868984A CN103868984A CN201410105532.1A CN201410105532A CN103868984A CN 103868984 A CN103868984 A CN 103868984A CN 201410105532 A CN201410105532 A CN 201410105532A CN 103868984 A CN103868984 A CN 103868984A
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- gathering sill
- magnetic memory
- orienting lug
- end cap
- high pressure
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Abstract
The invention discloses a device for detecting damage to the inner surface of an overground high-pressure manifold. The device comprises a cylindrical structural frame, wherein a plurality of radial guide slots are uniformly formed in the structural frame along the circumferential direction; a guide block is arranged in each guide slot in a sliding manner; the upper parts of the guide blocks extend out of the guide slots and are positioned on the circumferential surface of the structural frame; magnetic memory sensors are arranged on the top surfaces of the guide blocks; elastic back shore elements are arranged between the bottom surfaces of the guide blocks and the bottoms of the guide slots; limiting parts for preventing the guide blocks from being separated from the guide slots are arranged on the guide slots; an end cover is fixedly arranged at each of two axial ends of the structural frame; a plurality of axial guide wheels are arranged along the circumferential outer rims of the end covers. The device can be used for positioning damage of the manifold through the magnetic memory sensors and by detecting the change of magnetic memory signals on the inner wall of a metal pipe body; the magnetic memory sensors are tightly attached to the inner wall of the manifold, so that the acquired magnetic memory signals are accurate, and the detection precision is high. The device is simple in structure, moves flexibly and can detect the damage to a straight pipe or a bent pipe with a small size.
Description
Technical field
The invention relates to a kind of pipeline inspection device, relate in particular to and a kind ofly gather, analyze by the magnetic memory signal to inner-walls of duct, and then the ground high pressure pipe joint inside surface damage detection apparatus that the damage location of pipeline is detected a flaw, located.
Background technology
Pipe fitting is applied to the industry such as oil, chemical industry mostly, these pipe fitting majorities all will bear high pressure, high torsion, and want long term in the environment of corrosive gas, liquid, the infringement especially severe of these environment to pipeline, if what defect pipe interior has, will cause serious accident.So pipe fitting is carried out to regular detection and flaw detection is very important.Conventional inspection technique has X ray, gamma-rays, ultrasound wave at present.X ray, gamma-rays can cause serious injury the person, and the flaw detection of these two kinds of modes all needs thick stereotype housing, so cause equipment volume large, use very inconvenient.X ray can produce a lot of heats in addition, causes the problems such as serviceable life of equipment is short.Ultrasonic test equipment, is also complex structure mostly at present, and floor area is large, and precision is not high.And this three kinds of modes are all used in pipe fitting flaw detection at present mostly, detection technique is repeated, be difficult to pipe fitting more fully to detect.
Application number is that 201220204350.6 utility model is to utilize the online pipeline inspection device of one of eddy current test, be that ferromagnetic pipe fitting is when by eddy current flaw detec, magnetized by alternating magnetic field, form eddy current at outer surface of pipe fittings, in the time of body defectiveness, electric current in eddy current loop can change, thereby causes the alternating magnetic field vertical with eddy current magnetism also to change, thus the defect of detecting.But this vortex flow forming in ac magnetization process has kelvin effect, so detection can only be the damage of outer surface of pipe fittings; And the defect of pipeline is generally from inside, so the detection accuracy of above-mentioned existing apparatus is not high, and this existing apparatus can not well be surveyed bend pipe.
Thus, the inventor relies on experience and the practice of being engaged in for many years relevant industries, proposes a kind of ground high pressure pipe joint inside surface damage detection apparatus, to overcome the defect of prior art.
Summary of the invention
The object of the present invention is to provide a kind of ground high pressure pipe joint inside surface damage detection apparatus, is, from inner surface of pipeline, pipeline is carried out to nondestructive examination; By the magnetic memory signal of pipeline damaged part is detected, analyzed, thereby the damaged part of pipeline is detected a flaw, located.
Another object of the present invention is to provide a kind of ground high pressure pipe joint inside surface damage detection apparatus, by the effect of regulating spring, make magnetic probe can be fitted in closely inner-walls of duct, thereby pipeline is detected a flaw accurately, located.
Another object of the present invention is to provide a kind of ground high pressure pipe joint inside surface damage detection apparatus, and this device is light, flexible, simple in structure, size is little, can be for the Non-Destructive Testing of small size straight tube and bend pipe.
The object of the present invention is achieved like this, a kind of ground high pressure pipe joint inside surface damage detection apparatus, described pick-up unit includes cylindrical structural frame, this structure-steel framing is circumferentially evenly equipped with multiple radially-directed grooves along it, in each gathering sill, be provided with slidably an orienting lug, described orienting lug top is stretched out gathering sill and is positioned on the periphery of structure-steel framing; Described orienting lug end face is provided with magnetic memory sensor, is provided with elasticity and shores element between described orienting lug bottom surface and the bottom land of gathering sill; Described gathering sill is provided with the limiting section that restricted guidance piece departs from gathering sill; The axial two ends of described structure-steel framing are fixed with respectively an end cap, are provided with multiple axially directed wheels along the circumferential outer rim of described each end cap.
In a preferred embodiments of the present invention, described gathering sill is the cell body at rectangular and axial communicating structure frame two ends, bottom surface; Described orienting lug is the T-shaped slide mass of xsect; Described orienting lug forms by sliding part with for the supporting part that described magnetic memory sensor is installed, and described supporting part one is connected in sliding part top; The width of described sliding part is identical with the width of gathering sill, the width of described supporting part is greater than the width of gathering sill, the length of sliding part and supporting part is all less than the length of gathering sill, and the axial two ends of described sliding part bottom are convexly equipped with respectively a block that can be arranged in limiting section.
In a preferred embodiments of the present invention, described structure-steel framing be axially arranged with center pit; The bottom land of each gathering sill is provided with the radial through holes that connects described center pit; The end face of described supporting part is provided with a deep gouge, and described magnetic memory sensor is fixedly installed in described deep gouge; Described orienting lug is provided with the through hole being connected to orienting lug bottom surface by the bottom land of deep gouge, and described radial through holes is corresponding with the center of described through hole.
In a preferred embodiments of the present invention, described orienting lug bottom surface is provided with the first counterbore, and the bottom land of described gathering sill is provided with the second counterbore, and it is the Compress Spring being arranged in relative the first counterbore and the second counterbore that described elasticity is shored element.
In a preferred embodiments of the present invention, described the first counterbore and the second counterbore are oppositely arranged respectively two.
In a preferred embodiments of the present invention, described end cap is made up of with the end cap body that is positioned at connecting portion one side the connecting portion that is fixedly connected on structure-steel framing end outer rim; Described end cap center is provided with axial center hole.
In a preferred embodiments of the present invention, the limiting section arranging on described each gathering sill is made up of the connecting portion of end cap.
In a preferred embodiments of the present invention, the periphery of described end cap body is provided with an annular groove; On the periphery of end cap body, be also evenly provided with the separate slot of multiple axial settings; Described multiple axially directed wheel is arranged in corresponding separate slot, is provided with a set collar in described annular groove, and described set collar is arranged in multiple axially directed core wheels of taking turns.
From the above mentioned, ground of the present invention high pressure pipe joint inside surface damage detection apparatus, adopts magnetic memory sensor to change the manifold location of detecting a flaw by detecting metal tube inwall magnetic memory signal; Be uniformly distributed six magnetic memory sensors along structure-steel framing hoop, can make each sensor at hoop, radially, axial flexible, guarantee the magnetic memory sensor manifold inwall that can be good at fitting, thereby can obtain more accurate magnetic memory signal, detection accuracy is higher.The present invention adopts six wheeled constructions, can guarantee that pick-up unit is close at magnetic memory sensor under the condition of manifold inwall, in the inner smooth and easy operation of manifold.Pick-up unit size of the present invention is little, quality is light, simple in structure, can move flexibly, easy to use, both can detect a flaw to small size straight tube, also can detect a flaw to small size bend pipe.
Accompanying drawing explanation
The following drawings is only intended to the present invention to schematically illustrate and explain, not delimit the scope of the invention.Wherein:
Fig. 1: be the structural representation of ground of the present invention high pressure pipe joint inside surface damage detection apparatus.
Fig. 2: be the sectional structure schematic diagram of Fig. 1.
Fig. 3: be the decomposition texture schematic diagram of Fig. 1.
Fig. 4: be the structural representation of structure-steel framing in the present invention.
Fig. 5 A: be the structural representation of orienting lug in the present invention.
Fig. 5 B: be the structural representation of looking up of Fig. 5 A.
Fig. 5 C: be the side-looking structural representation of Fig. 5 A.
Fig. 6: be the structural representation of end cap in the present invention.
Fig. 7: the schematic diagram detecting in pipeline for ground of the present invention high pressure pipe joint inside surface damage detection apparatus.
Embodiment
Understand for technical characterictic of the present invention, object and effect being had more clearly, now contrast accompanying drawing explanation the specific embodiment of the present invention.
As shown in Figure 1, Figure 2, Figure 3 shows, the present invention proposes a kind of ground high pressure pipe joint inside surface damage detection apparatus 100, described pick-up unit 100 includes cylindrical structural frame 1, this structure-steel framing 1 is circumferentially evenly equipped with multiple radially-directed groove 11(as shown in Figure 4 along it), in each gathering sill 11, be provided with slidably an orienting lug 2, described orienting lug 2 tops are stretched out gathering sill 11 and are positioned on the periphery of structure-steel framing 1; The top that described orienting lug 2 end faces are provided with magnetic memory sensor 3(magnetic memory sensor can be and the corresponding arc of inner-walls of duct), between described orienting lug 2 bottom surfaces and the bottom land of gathering sill 11, be provided with elasticity and shore element 4; Described gathering sill 11 is provided with the limiting section that restricted guidance piece 2 departs from gathering sill 11; The axial two ends of described structure-steel framing 1 are fixed with respectively an end cap 5, are provided with and multiplely axially directedly take turns 6 along the circumferential outer rim of described each end cap 5.
In the present embodiment, the physical dimension of described ground high pressure pipe joint inside surface damage detection apparatus, sets according to the physical dimension of the manifold detecting, for example: the diameter of structure-steel framing is less than the internal diameter of tested pipeline.In the high pressure pipe joint inside surface damage detection apparatus of described ground, along the multiple magnetic memory sensors of being circumferentially evenly equipped with of structure-steel framing (in the present embodiment, described gathering sill, orienting lug and magnetic memory sensor respectively correspondence are provided with six), to form corresponding sonde configuration, (metal magnetic memory principle is that ferrimagnet is before tired and breakage to the principle detecting according to metal magnetic memory, there is stress concentration effect in capital, because the impact of terrestrial magnetic field and the magnetic domain tissue of metal material change, make material magnetic field around free variation, this variation is after material deformation is replied, also can not disappear, thereby judge the state of metal material by detecting metal magnetic field around.), detect, analyze by the magnetic memory character signal that gathers tested pipeline inwall, thereby realize, the damaged part of pipeline is detected a flaw, located; Before manifold detects, without manifold being magnetized and clearing up, easy to use; Due to orienting lug being set in each gathering sill slidably, and between orienting lug bottom surface and the bottom land of gathering sill, be provided with elasticity and shore element, thus, orienting lug is moved to structure-steel framing outer radial along gathering sill, guarantee the magnetic memory sensor manifold inwall of well fitting, to obtain more accurate detection signal; Because the fixing end cap in structure-steel framing two ends is provided with multiple axially directed wheels, when this pick-up unit uses, drive by outside haulage gear, can guarantee its smooth and easy movement in pipeline; On the structure-steel framing and orienting lug of device, all be provided with corresponding through hole, through hole is for lead wire, and the wire of each magnetic memory sensor is drawn from through hole, then from the center pit of structure-steel framing, draws, through pipeline, thereby pass measured magnetic memory sensor signal back computer, in addition, center pit is also for drawing haulage chain, drag by manual or haulage gear, pick-up unit is drawn from the opposite side of manifold.The ground high pressure pipe joint inside surface damage detection apparatus of present embodiment, it is simple in structure, easy to operate, and small and exquisite, flexible, both can detect a flaw to the straight tube of small size ferromagnetism material, as shown in Figure 7, also can detect a flaw to small size bend pipe 9 (in the present embodiment, described bend pipe 9 refers to that angle of bend is more than or equal to the bend pipe of 90 degree).
Further, as shown in Figure 4, in the present embodiment, described gathering sill 11 is the cell body at rectangular and axial communicating structure frame 1 two ends, bottom surface; Described orienting lug 2 is the T-shaped slide mass of xsect (as shown in Fig. 5 A～Fig. 5 C); Described orienting lug 2 forms by sliding part 21 with for the supporting part 22 that described magnetic memory sensor 3 is installed, and described supporting part 22 one are connected in sliding part 21 tops; The width of described sliding part 21 is identical with the width of gathering sill 11, the width of described supporting part 22 is greater than the width of gathering sill 11, the length of sliding part 21 and supporting part 22 is all less than the length of gathering sill 11, and the axial two ends of described sliding part 21 bottoms are convexly equipped with respectively a block 211 that can be arranged in limiting section.Described limiting section can be the limited block (not shown) that is fixedly mounted on described gathering sill 11 both upper ends thereof, in the time that sliding part 21 is shored element 4 and is acted on and move up along gathering sill 11 by elasticity, can, by described limited block to the keeping out of block 211, avoid orienting lug 2 to shift out and depart from gathering sill 11.
As shown in Figure 4, described structure-steel framing 1 be axially arranged with center pit 12; The bottom land of each gathering sill 11 is provided with the radial through holes 121 that connects described center pit 12; As shown in Figure 5A, the end face of described supporting part 22 is provided with a deep gouge 221, and described magnetic memory sensor 3 is fixedly installed in described deep gouge 221; Described orienting lug 2 is provided with the through hole 23 being connected to orienting lug bottom surface by the bottom land of deep gouge 221, described radial through holes 121 is corresponding with described through hole 23 center, by described center pit 12, radial through holes 121 and through hole 23, can guide the signal wire of described each magnetic memory sensor 3.
As shown in Fig. 4, Fig. 5 A and Fig. 5 B, in the present embodiment, described orienting lug 2 bottom surfaces are provided with two the first counterbores 24, corresponding described two first counterbores 24 of bottom land of described gathering sill 11 are provided with two the second counterbores 111, and described elasticity is shored element 4 for being arranged on the Compress Spring (as shown in Figure 3) in relative the first counterbore 24 and the second counterbore 111; Because Compress Spring self can have swing, and the length of the sliding part 21 of orienting lug is less than the length of gathering sill 11, and therefore, described orienting lug 2 also can axially slightly adjusting along structure-steel framing 1.
Further, as shown in Fig. 3, Fig. 6, in the present embodiment, described end cap 5 is made up of with the end cap body 52 that is positioned at connecting portion one side the connecting portion 51 that is fixedly connected on structure-steel framing 1 end outer rim; Described end cap 5 centers are also provided with axial center hole 53, for wearing the signal wire of described each magnetic memory sensor 3.The limiting section arranging on described each gathering sill 11 can be made up of the connecting portion of end cap 51, as shown in Figure 1 and Figure 2, when end cap 5 is fixedly connected on after structure-steel framing 1 end outer rim, connecting portion 51 is positioned at each gathering sill 11 both upper ends thereof just, in the time that sliding part 21 is moved up along gathering sill 11 by Compress Spring effect, by described connecting portion 51, block 211 is kept out, thereby can avoid orienting lug 2 to shift out and depart from gathering sill 11.
As shown in Figure 6, in the present embodiment, the periphery of described end cap body 52 is provided with annular groove 521(or a groove); On the periphery of end cap body 52, be also evenly provided with the separate slot 522 of multiple axial settings; Describedly multiplely axially directedly take turns 6 and be arranged in corresponding separate slot 522 (in the present embodiment, six angle sheaves 6 are set, also correspondence arranges six separate slots 522), in described annular groove 521, be provided with a set collar 523, described set collar 523 is arranged in multiple axially directed core wheels of 6 of taking turns; Thus, can make describedly multiplely axially directedly to take turns 6 under the effect of haulage gear (not shown), along pipeline (straight tube or bend pipe) axial smooth and easy movement (as shown in Figure 7).
Ground of the present invention high pressure pipe joint inside surface damage detection apparatus, adopts magnetic memory sensor to change the manifold location of detecting a flaw by detecting metal tube inwall magnetic memory signal; Be uniformly distributed six magnetic memory sensors along structure-steel framing hoop, due to self elastic telescopic and swing of elasticity Top support element, can make each orienting lug radially, axially on flexible, thereby can make each sensor at hoop, radially, axial flexible, make the sensor tube wall of no matter can both fitting well at pipe bent position or straight tube place, guarantee that sensor obtains relatively accurate magnetic memory signal, improve the precision of pick-up unit.The present invention adopts six wheeled constructions, when pick-up unit is in the time that manifold inwall moves, can be close at magnetic memory sensor under the condition of manifold inwall by auxiliary detection device, in the inner smooth and easy operation of manifold; Especially in pipe bent position, coordinate (flexible contraction, adjustment that elasticity is shored element) by multiple axially directed wheels with multiple orienting lugs, can guarantee the smooth and easy operation of pick-up unit.Pick-up unit size of the present invention is little, quality is light, simple in structure, can move flexibly, easy to use, both can detect a flaw to small size straight tube, also can detect a flaw to small size bend pipe.
The foregoing is only the schematic embodiment of the present invention, not in order to limit scope of the present invention.Any those skilled in the art, not departing from equivalent variations and the modification done under the prerequisite of design of the present invention and principle, all should belong to the scope of protection of the invention.
Claims (8)
1. a ground high pressure pipe joint inside surface damage detection apparatus, it is characterized in that: described pick-up unit includes cylindrical structural frame, this structure-steel framing is circumferentially evenly equipped with multiple radially-directed grooves along it, in each gathering sill, be provided with slidably an orienting lug, described orienting lug top is stretched out gathering sill and is positioned on the periphery of structure-steel framing; Described orienting lug end face is provided with magnetic memory sensor, is provided with elasticity and shores element between described orienting lug bottom surface and the bottom land of gathering sill; Described gathering sill is provided with the limiting section that restricted guidance piece departs from gathering sill; The axial two ends of described structure-steel framing are fixed with respectively an end cap, are provided with multiple axially directed wheels along the circumferential outer rim of described each end cap.
2. ground as claimed in claim 1 high pressure pipe joint inside surface damage detection apparatus, is characterized in that: described gathering sill is the cell body at rectangular and axial communicating structure frame two ends, bottom surface; Described orienting lug is the T-shaped slide mass of xsect; Described orienting lug forms by sliding part with for the supporting part that described magnetic memory sensor is installed, and described supporting part one is connected in sliding part top; The width of described sliding part is identical with the width of gathering sill, the width of described supporting part is greater than the width of gathering sill, the length of sliding part and supporting part is all less than the length of gathering sill, and the axial two ends of described sliding part bottom are convexly equipped with respectively a block that can be arranged in limiting section.
3. ground as claimed in claim 2 high pressure pipe joint inside surface damage detection apparatus, is characterized in that: described structure-steel framing be axially arranged with center pit; The bottom land of each gathering sill is provided with the radial through holes that connects described center pit; The end face of described supporting part is provided with a deep gouge, and described magnetic memory sensor is fixedly installed in described deep gouge; Described orienting lug is provided with the through hole being connected to orienting lug bottom surface by the bottom land of deep gouge, and described radial through holes is corresponding with the center of described through hole.
4. ground as claimed in claim 3 high pressure pipe joint inside surface damage detection apparatus, it is characterized in that: described orienting lug bottom surface is provided with the first counterbore, the bottom land of described gathering sill is provided with the second counterbore, and it is the Compress Spring being arranged in relative the first counterbore and the second counterbore that described elasticity is shored element.
5. ground as claimed in claim 4 high pressure pipe joint inside surface damage detection apparatus, is characterized in that: described the first counterbore and the second counterbore are oppositely arranged respectively two.
6. ground as claimed in claim 2 high pressure pipe joint inside surface damage detection apparatus, is characterized in that: described end cap is made up of with the end cap body that is positioned at connecting portion one side the connecting portion that is fixedly connected on structure-steel framing end outer rim; Described end cap center is provided with axial center hole.
7. ground as claimed in claim 6 high pressure pipe joint inside surface damage detection apparatus, is characterized in that: the limiting section arranging on described each gathering sill is made up of the connecting portion of end cap.
8. ground as claimed in claim 6 high pressure pipe joint inside surface damage detection apparatus, is characterized in that: the periphery of described end cap body is provided with an annular groove; On the periphery of end cap body, be also evenly provided with the separate slot of multiple axial settings; Described multiple axially directed wheel is arranged in corresponding separate slot, is provided with a set collar in described annular groove, and described set collar is arranged in multiple axially directed core wheels of taking turns.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410105532.1A CN103868984B (en) | 2014-03-20 | 2014-03-20 | Ground high pressure pipe joint internal surface damage detecting device |
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| CN201410105532.1A CN103868984B (en) | 2014-03-20 | 2014-03-20 | Ground high pressure pipe joint internal surface damage detecting device |
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| CN103868984B CN103868984B (en) | 2016-07-13 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909182A (en) * | 2016-05-30 | 2016-08-31 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Determining method for strength failure of high-pressure manifold |
| CN106855557A (en) * | 2015-12-09 | 2017-06-16 | 中国石油天然气股份有限公司 | A kind of test device for testing interior detection sensor |
| CN108548048A (en) * | 2018-06-27 | 2018-09-18 | 中国石油大学(北京) | Reducing automatic creeping marine riser internal detector |
| CN109060949A (en) * | 2018-08-14 | 2018-12-21 | 中国石油大学(北京) | Integrated pipe channel detector |
| CN109100417A (en) * | 2018-09-13 | 2018-12-28 | 中国石油大学(北京) | Pipe fitting non-destructive testing device |
| CN109374727A (en) * | 2018-11-21 | 2019-02-22 | 中国石油大学(北京) | Storage tank detects robot |
| CN114183122A (en) * | 2021-12-09 | 2022-03-15 | 荆州市世纪派创石油机械检测有限公司 | Depth detection device and detection method for corrosion pits on inner wall of well cementation fracturing manifold |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3582771A (en) * | 1968-09-11 | 1971-06-01 | Amf Inc | Movable inspection device with fluid pressure operated retractors mounted on a rotating member |
| CN101012746A (en) * | 2006-12-26 | 2007-08-08 | 大庆油田有限责任公司 | Method for prediction of oil well annular tube damage and detecting instrument for implementing the method |
| CN102590326A (en) * | 2011-10-31 | 2012-07-18 | 北京理工大学 | Magnetic memory/magnetic leakage integrated multi-probe detection device for tube and shaft type parts |
| CN103604862A (en) * | 2013-11-28 | 2014-02-26 | 中国石油大学(北京) | Portable device for detecting flaws of straight pipe and bent pipe of high pressure manifold |
| CN203758959U (en) * | 2014-03-20 | 2014-08-06 | 中国石油大学(北京) | Inner surface flaw detecting device of ground high pressure manifold |
-
2014
- 2014-03-20 CN CN201410105532.1A patent/CN103868984B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3582771A (en) * | 1968-09-11 | 1971-06-01 | Amf Inc | Movable inspection device with fluid pressure operated retractors mounted on a rotating member |
| CN101012746A (en) * | 2006-12-26 | 2007-08-08 | 大庆油田有限责任公司 | Method for prediction of oil well annular tube damage and detecting instrument for implementing the method |
| CN102590326A (en) * | 2011-10-31 | 2012-07-18 | 北京理工大学 | Magnetic memory/magnetic leakage integrated multi-probe detection device for tube and shaft type parts |
| CN103604862A (en) * | 2013-11-28 | 2014-02-26 | 中国石油大学(北京) | Portable device for detecting flaws of straight pipe and bent pipe of high pressure manifold |
| CN203758959U (en) * | 2014-03-20 | 2014-08-06 | 中国石油大学(北京) | Inner surface flaw detecting device of ground high pressure manifold |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106855557A (en) * | 2015-12-09 | 2017-06-16 | 中国石油天然气股份有限公司 | A kind of test device for testing interior detection sensor |
| CN105909182A (en) * | 2016-05-30 | 2016-08-31 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Determining method for strength failure of high-pressure manifold |
| CN108548048A (en) * | 2018-06-27 | 2018-09-18 | 中国石油大学(北京) | Reducing automatic creeping marine riser internal detector |
| CN109060949A (en) * | 2018-08-14 | 2018-12-21 | 中国石油大学(北京) | Integrated pipe channel detector |
| CN109100417A (en) * | 2018-09-13 | 2018-12-28 | 中国石油大学(北京) | Pipe fitting non-destructive testing device |
| CN109100417B (en) * | 2018-09-13 | 2023-09-08 | 中国石油大学(北京) | Nondestructive testing device for pipe fitting |
| CN109374727A (en) * | 2018-11-21 | 2019-02-22 | 中国石油大学(北京) | Storage tank detects robot |
| CN109374727B (en) * | 2018-11-21 | 2024-02-02 | 中国石油大学(北京) | Storage tank detection robot |
| CN114183122A (en) * | 2021-12-09 | 2022-03-15 | 荆州市世纪派创石油机械检测有限公司 | Depth detection device and detection method for corrosion pits on inner wall of well cementation fracturing manifold |
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| CN103868984B (en) | 2016-07-13 |
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