CN202794107U - Variable diameter pipe outside magnetic memory detection device - Google Patents
Variable diameter pipe outside magnetic memory detection device Download PDFInfo
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- CN202794107U CN202794107U CN 201220376703 CN201220376703U CN202794107U CN 202794107 U CN202794107 U CN 202794107U CN 201220376703 CN201220376703 CN 201220376703 CN 201220376703 U CN201220376703 U CN 201220376703U CN 202794107 U CN202794107 U CN 202794107U
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Abstract
The utility model discloses a variable diameter pipe outside magnetic memory detection device which belongs to the technical field of oil-gas pipeline detection. The variable diameter pipe outside magnetic memory detection device comprises a variable diameter magnetic memory detection ring, a driving traveling mechanism and a data collection control mechanism, wherein the variable diameter magnet memory detection ring is connected with the driving traveling mechanism through a spring, and the data collection control mechanism is connected with the variable diameter magnet memory detection ring and the driving traveling mechanism through data lines. The variable diameter pipe outside magnetic memory detection device provided by the utility model provides an important means and tool for long-distance pipeline outside nondestructive examination, plays an important role in discovering pipeline outside wall microdefect and application concentration areas and guaranteeing the safe, stable and periodic operation of pipelines, and can produce remarkable economic benefit.
Description
Technical field
The utility model relates to the Oil ﹠ Gas Pipeline Testing field, particularly the outer magnetic memory detection device of a kind of pipe with variable diameter.
Background technology
Oil is the blood of industry, and pipeline is a kind of important way of oil gas transmission.At present, majority contains Korrosionsmedium in the oil of China exploitation, the rock gas, and it is also increasing that import contains the proportion of high activity sulphur crude oil, and for the pipeline of transmission susceptibility-to-corrosion medium, along with Years Of Service increases, its reliability descends year by year.In recent years, China's pipe-line construction speed is advanced by leaps and bounds, and relates to a plurality of provinces and regions, and long distance pipeline passes through a lot of rivers, environmental sensitive area on the way, and gathering line also more and more closes on the residential block, and the negative effect that the pipeline burst accident brings also more and more highlights.At present, pipe detection technology and coherent detection instrument have the case of many successful Application at home, in the world.But, there is following problem in detection for pipeline field: the existing Dynamic Non-Destruction Measurement of (1) pipeline (such as ultrasonic, ray, eddy current etc.), can only detect already present defective, can't detect the commitment of defective rudiment, can't evaluate early defect, and for the pipeline of High Temperature High Pressure, early defect occurs to leak or break in case occur very possible within a short period of time; (2) the existing outer detecting instrument of pipeline or device, basically adopt spot scan, line sweep (one fixed width), lack the device that once can carry out the pipeline section full scan, caused for long distance oil-gas pipeline and detected shortcomings such as having labour intensity height, inefficiency, sense cycle length.Therefore, carry out fast detecting for the oil and gas pipes early defect and become problem demanding prompt solution.
Metal magnetic memory detection technology is proposed in the nineties in last century by Russian scholar Du Bofu, it utilizes the hardware stray field information of picking up under the geomagnetic field action of metal surface, determine the stress distribution situation of hardware according to the Distribution of Magnetic Field situation, can detect stress and concentrate the dangerous position of ferromagnetic material, it is a kind of efficient lossless detection method that ferromagnetic component is carried out early diagnosis, this technology mainly has and need not special magnetizing equipment, it is little affected by Lift-off effect, condition of work requires low, swift to operate, simply, convenient, sensitivity, repeatable accuracy and reliability high have been widely used in undercarriage, aircraft girder screw, the turbine disk, compressor blade, turbo blade, the load-carrying construction spares such as turbine blade and pressure vessel defects detection.But also not having at present both at home and abroad to realize can walking, reducing, can realize the outer magnetic memory detection device of pipeline of total cross-section scanning.
The utility model content
In order to solve the detection that can't realize early defect and pipeline section full scan to long distance oil-gas pipeline, the utility model provides a kind of pipe with variable diameter outer magnetic memory detection device, comprises reducing magnetic memory detection ring, drives travel mechanism and data acquisition control mechanism; Described reducing magnetic memory detection ring with drive travel mechanism and be connected by spring, described data acquisition control mechanism by data line and reducing magnetic remember detection ring, the driving travel mechanism is connected;
Described reducing magnetic memory detection ring is made of 1 detection ring and a plurality of magnetic memory detection probe; Described detection ring is made of 2 semicircular ring, connect by rivet between 2 semicircular ring, and each semicircular ring is made of 2 1/4 annulus, connects by bearing pin between each 1/4 annulus; Equidistantly on the described detection ring be provided with equably a plurality of screws, 1 screw in every interval is fixed on hinged support on the described detection ring with holding screw, and described magnetic memory detection probe is connected on the described hinged support by rivet;
Described driving travel mechanism is made of walking ring, drive link, motor, driving wheel and spring; Described walking ring is connected with described detection ring by described spring; Equidistantly on the described walking ring be provided with a plurality of drive link, each drive link front end is equipped with the driving wheel with annular knurl, described motor is connected with described driving wheel by driving shaft, be connected on the hinged support by rivet between described drive link and the walking ring, also be connected with spring between described drive link and the walking ring.
Described magnetic memory detection probe is made of road wheel, magnetic memory sensor and marker pen, probe connecting rod and spring, and described road wheel is arranged on the front end of described probe connecting rod; Described magnetic memory sensor and marker pen are connected on the described probe connecting rod; Described probe connecting rod is connected with described detection ring by described spring.
Described magnetic memory sensor and marker pen are made of magnetic memory sensor, marker pen, sleeve, motor, cam, spring and the L-type connecting rod that can swing, described magnetic memory sensor is arranged in the described marker pen, described motor is connected with cam, it is outside that described sleeve is arranged on described cam, described sleeve is connected with described marker pen by described spring, described marker pen is arranged on the described L-type connecting rod, and described L-type connecting rod links together with the probe connecting rod.
Described data acquisition control mechanism comprises capture card, industrial computer, data line, telepilot and direct supply; Described capture card is connected with industrial computer with described magnetic memory sensor respectively by described data line, described telepilot is connected with motor in the described driving travel mechanism by described data line, and described direct supply is connected with described telepilot by described data line.
On the described walking ring one stroke sensor is installed also, described stroke sensor is connected to described industrial computer by signal wire and capture card.
Described capture card is the PCI1712 data collecting card, and described industrial computer is the touch screen type industrial computer.
The outer magnetic memory detection device of the pipe with variable diameter that the utility model provides, for the outer Non-Destructive Testing of long-distance pipe provides a kind of important, brand-new detection means and instrument, thereby improved the work efficiency that long distance oil-gas pipeline detects, reduce the cost of pipe detection, overcome the present situation that conventional detection means can not effectively detect the pipeline early defect.For finding the pipeline outer wall microdefect and using the concentrated area, ensure that the steady long-term operation of pipe safety has very important effect, can produce obvious economic benefit.
Description of drawings
Fig. 1 is the use view of the outer magnetic memory detection device of the pipe with variable diameter that provides of the utility model embodiment;
Fig. 2 is the magnetic memory sensor that provides of the utility model embodiment and the principal section synoptic diagram of marker pen structure;
Fig. 3 is the connection diagram of magnetic memory sensor and marker pen and the probe connecting rod of the utility model embodiment;
Fig. 4 is the connection diagram of road wheel with the probe connecting rod of the utility model embodiment;
Fig. 5 is the front view of the reducing magnetic memory detection ring structure that provides of the utility model embodiment;
Fig. 6 is the diagrammatic cross-section of the outer magnetic memory detection device structure of the pipe with variable diameter that provides of the utility model embodiment.
Embodiment
Below in conjunction with drawings and Examples, technical solutions of the utility model are further described.
The utility model embodiment provides a kind of pipe with variable diameter outer magnetic memory detection device, and this device comprises reducing magnetic memory detection ring, drives travel mechanism and data acquisition control mechanism.Reducing magnetic memory detection ring is connected by spring with the driving travel mechanism, and data acquisition control mechanism is connected by data line and reducing magnetic memory detection ring, driving travel mechanism.
As shown in Figure 5 and Figure 6, reducing magnetic memory detection ring is made of 1 detection ring 5 and 16 adjustable magnetic memory detection probe.Magnetic memory detection probe can be movable around detection ring, realizes the outer detection of different tube diameters pipeline.Wherein, detection ring is made of 2 semicircular ring, connect by rivet between 2 semicircular ring, and each semicircular ring is made of 2 1/4 annulus, connects by bearing pin between each 1/4 annulus, its objective is to be convenient to dismounting and to carry; Equidistantly on the detection ring 5 be provided with equably 32 screws, 1 screw in every interval is fixed on hinged support 4 on the detection ring with holding screw, and magnetic memory detection probe is connected on the hinged support 4 by rivet, and 16 remaining screws can be used as for subsequent use.Each magnetic memory detection probe is made of road wheel 1, magnetic memory sensor and marker pen 2, probe connecting rod 3 and spring 6, and road wheel 1 is arranged on the front end of probe connecting rod 3; Magnetic memory sensor and marker pen 2 are connected on the probe connecting rod 3; Probe connecting rod 3 is connected with detection ring 5 by spring 6, to magnetic memory detection probe and 5 power that impose restriction of detection ring, realizes that 16 magnetic memory detection probe are attached to the pipeline excircle equably by spring 6.The effect of road wheel 1 is to make the distance between magnetic memory detection probe and pipeline external surface keep constant, in order to improve accuracy of detection in testing process; Carry out area marking at the position usage flag pen that detects defective.Shown in Fig. 2-4, magnetic memory sensor and marker pen 2 are made of magnetic memory sensor 21, marker pen 22, sleeve 23, motor 24, cam 25, spring 26 and the L-type connecting rod 27 that can swing, the magnetic memory sensor is arranged in the marker pen, motor is connected with cam, sleeve is arranged on the cam outside, sleeve is connected with marker pen by spring, and marker pen is arranged on the L-type connecting rod, and the L-type connecting rod links together with probe connecting rod 3; Wherein when detecting the position that has defective, the magnetic memory sensor feeds back to industrial computer with information, send triggering command by industrial computer, in one week of electric machine rotation, cam rotates under the drive of motor, (1/4 of one week of electric machine rotation in front 1/4 cycle, i.e. one " circumference ") cam rotation process compression sleeve outside platform moves downward, and the triggered mark pen is made mark at pipe surface, after quarter turn, under the effect of spring force, marker pen is mentioned, return to original position.Magnetic memory detection probe can be regulated distance and the angle of magnetic memory sensor and pipeline external surface by set bolt, in order to satisfy the reducing requirement.The effect of marker pen is when the magnetic memory signal characteristic parameter that detects surpasses alarming value (finding defect area), writes mark at pipeline external surface, and in order to rechecking and further detecting, marker pen is triggered by the acquisition software that is installed on the industrial computer.Marker pen links to each other with industrial computer by different data lines with the magnetic memory sensor.All magnetic memory sensor capable of regulatings and pipeline external surface are perpendicular or parallel.
As shown in Figure 6, driving travel mechanism is made of walking ring 7, drive link 9, motor 10, driving wheel 11 and spring 8.The structure of walking ring 7 is identical with detection ring 5, adopts 8 springs 8 to be connected between walking ring 7 and the detection ring 5, is flexible coupling by this kind elasticity and has realized that the pick-up unit main body passes through right angle pipeline and bend loss under driving wheel draws.Equidistantly on the walking ring 7 be provided with 4 drive link 9, each drive link 9 front end is equipped with the driving wheel 11 with annular knurl, 4 driving wheels 11 all are driving wheel, driven by brushless electric machine 10, be connected on the hinged support by rivet between drive link 9 and the walking ring 7, also be connected with spring 6 between drive link 9 and the walking ring 7, identical with the connected mode of probe connecting rod 3 with detection ring 5.The drive source of whole driving travel mechanism is brushless electric machine 10, and motor 10 is connected to accumulator 13 by power lead; Realize being in transmission connection by driving shaft between brushless electric machine 10 and the driving wheel 11, electric machine rotation drives driving wheel and rolls, thereby band motion detection device main body is advanced along the conduit axis direction.For the displacement of magnetic memory detection device on pipeline of minute book utility model embodiment, can also the one stroke sensor be installed at walking ring 7, stroke sensor is connected to industrial computer by signal wire and capture card.
Referring to Fig. 1, data acquisition control mechanism comprises capture card, industrial computer 14, data line 12, telepilot and direct supply.Capture card is connected with industrial computer with the magnetic memory sensor respectively by data line, telepilot is connected with motor in driving travel mechanism by data line, the startup of control magnetic memory detection device main body, stop and at the uniform velocity advancing, realized that the magnetic memory detection device main body can be moved along the tested pipeline external peripheral surface to detect.Direct supply is connected with telepilot by data line, is used to whole control gear power supply.Capture card is used for gathering voltage signal and the run-length data of magnetic memory sensor transmission, and voltage signal amplified with A/D change, will through amplification and conversion after voltage signal and the run-length data industrial computer that transfers to pre installation software package, thereby realized collection, access and the analysis of magnetic memory signal.Capture card in the present embodiment can be the PCI1712 data collecting card, and industrial computer can be the touch screen type industrial computer.
In actual applications, the magnetic memory sensor is connected to industrial computer by data line, and distance and the detection angle of each magnetic memory sensor and pipeline external surface are all adjustable; Drive travel mechanism and use brushless electric machine as driving, brushless electric machine drives driving wheel and walks along pipeline external surface with the pick-up unit main body, detects and record; Data acquisition control mechanism is used for gathering magnetic memory signal, transmission walking instruction control signal, marker pen from triggering and being above-mentioned electronic devices and components power supply.
The outer magnetic memory detection device of pipe with variable diameter that the utility model is implemented to provide has following advantage: 1, adopted the design of the outer reducing linear transducer array of brand-new pipe, not only improved the outer efficient that detects of pipeline, but also increased a device that can detect different cross section size pipeline, improved applicability; 2, adopt 1/4 annulus to rivet into the design of detection ring and walking ring, so that the pick-up unit convenient disassembly is easy to carry; 3, be flexible coupling between detection ring and the walking ring so that the pick-up unit of the utility model embodiment can the simultaneous adaptation straight length and curved pipe detect; 4, pick-up unit has walking function, the detection of energy adaptation level pipeline and standpipe, and energy control device start and stop and speed; 5, pick-up unit can be found the pipeline early defect in all directions, has realized the early prediction of pipe damage tiny flaw; 6, by cordless detector tube pipeline outer wall early defect and region of stress concentration, do not need pipeline external surface is processed, reduced workload, improved detection speed, be convenient to rig-site utilization.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (6)
1. the outer magnetic memory detection device of pipe with variable diameter is characterized in that, comprises reducing magnetic memory detection ring, drives travel mechanism and data acquisition control mechanism; Described reducing magnetic memory detection ring with drive travel mechanism and be connected by spring, described data acquisition control mechanism by data line and reducing magnetic remember detection ring, the driving travel mechanism is connected;
Described reducing magnetic memory detection ring is made of 1 detection ring and a plurality of magnetic memory detection probe; Described detection ring is made of 2 semicircular ring, connect by rivet between 2 semicircular ring, and each semicircular ring is made of 2 1/4 annulus, connects by bearing pin between each 1/4 annulus; Equidistantly on the described detection ring be provided with equably a plurality of screws, 1 screw in every interval is fixed on hinged support on the described detection ring with holding screw, and described magnetic memory detection probe is connected on the described hinged support by rivet;
Described driving travel mechanism is made of walking ring, drive link, motor, driving wheel and spring; Described walking ring is connected with described detection ring by described spring; Equidistantly on the described walking ring be provided with a plurality of drive link, each drive link front end is equipped with the driving wheel with annular knurl, described motor is connected with described driving wheel by driving shaft, be connected on the hinged support by rivet between described drive link and the walking ring, also be connected with spring between described drive link and the walking ring.
2. the outer magnetic memory detection device of pipe with variable diameter as claimed in claim 1, it is characterized in that, described magnetic memory detection probe is made of road wheel, magnetic memory sensor and marker pen, probe connecting rod and spring, and described road wheel is arranged on the front end of described probe connecting rod; Described magnetic memory sensor and marker pen are connected on the described probe connecting rod; Described probe connecting rod is connected with described detection ring by described spring.
3. the outer magnetic memory detection device of pipe with variable diameter as claimed in claim 2, it is characterized in that, described magnetic memory sensor and marker pen are made of magnetic memory sensor, marker pen, sleeve, motor, cam, spring and the L-type connecting rod that can swing, described magnetic memory sensor is arranged in the described marker pen, described motor is connected with cam, it is outside that described sleeve is arranged on described cam, described sleeve is connected with described marker pen by described spring, described marker pen is arranged on the described L-type connecting rod, and described L-type connecting rod links together with the probe connecting rod.
4. the outer magnetic memory detection device of pipe with variable diameter as claimed in claim 3 is characterized in that, described data acquisition control mechanism comprises capture card, industrial computer, data line, telepilot and direct supply; Described capture card is connected with industrial computer with described magnetic memory sensor respectively by described data line, described telepilot is connected with motor in the described driving travel mechanism by described data line, and described direct supply is connected with described telepilot by described data line.
5. the outer magnetic memory detection device of pipe with variable diameter as claimed in claim 4 is characterized in that on the described walking ring one stroke sensor is installed also, described stroke sensor is connected to described industrial computer by signal wire and capture card.
6. such as claim 4 or the outer magnetic memory detection device of 5 described pipe with variable diameter, it is characterized in that described capture card is the PCI1712 data collecting card, described industrial computer is the touch screen type industrial computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220376703 CN202794107U (en) | 2012-07-31 | 2012-07-31 | Variable diameter pipe outside magnetic memory detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220376703 CN202794107U (en) | 2012-07-31 | 2012-07-31 | Variable diameter pipe outside magnetic memory detection device |
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| Publication Number | Publication Date |
|---|---|
| CN202794107U true CN202794107U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220376703 Withdrawn - After Issue CN202794107U (en) | 2012-07-31 | 2012-07-31 | Variable diameter pipe outside magnetic memory detection device |
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| CN (1) | CN202794107U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759564A (en) * | 2012-07-31 | 2012-10-31 | 中国石油天然气集团公司 | Variable diameter pipe external magnetic memory detection device |
| CN108535353A (en) * | 2018-03-14 | 2018-09-14 | 西南石油大学 | A kind of pipeline crack detection device |
-
2012
- 2012-07-31 CN CN 201220376703 patent/CN202794107U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759564A (en) * | 2012-07-31 | 2012-10-31 | 中国石油天然气集团公司 | Variable diameter pipe external magnetic memory detection device |
| CN102759564B (en) * | 2012-07-31 | 2015-10-14 | 中国石油天然气集团公司 | A kind of variable diameter pipe external magnetic memory detection device |
| CN108535353A (en) * | 2018-03-14 | 2018-09-14 | 西南石油大学 | A kind of pipeline crack detection device |
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Granted publication date: 20130313 Effective date of abandoning: 20151014 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |