CN104062399B - Pipeline joint anticorrosion layer the cannot-harm-detection device - Google Patents

Pipeline joint anticorrosion layer the cannot-harm-detection device Download PDF

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Publication number
CN104062399B
CN104062399B CN201310088449.3A CN201310088449A CN104062399B CN 104062399 B CN104062399 B CN 104062399B CN 201310088449 A CN201310088449 A CN 201310088449A CN 104062399 B CN104062399 B CN 104062399B
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sensor
travel
cavity volume
adsorbing
guide
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CN201310088449.3A
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Chinese (zh)
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CN104062399A (en
Inventor
康叶伟
王维斌
林明春
陈新华
刘玲莉
郭正虹
赵君
蒋先尧
张丰
王禹钦
林嵩
陈振华
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中国石油天然气股份有限公司
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Abstract

The present invention is a kind of oil and gas pipeline preventing corrosion of repaired mouth layer bonding quality the cannot-harm-detection device.This pick-up unit is made up of basic framework, travel mechanism, adsorbing mechanism, sensor holders mechanism; Basic framework is the carrier of travel mechanism, adsorbing mechanism, sensor holders mechanism; Travel mechanism orders about the power part of device walking; Sensor holders mechanism fixed test sensor; Absorption basis pick-up unit being adsorbed in the adsorbing mechanism at joint coating on pipeline place is arranged on preventing corrosion of repaired mouth layer (9) both sides, and the remainder of adsorbing mechanism and basic framework, travel mechanism form the carrier around Pipeline joint anticorrosion layer (9) circumference movement jointly; Be provided with travel mechanism in one end of basic framework, sensor holders mechanism is arranged on middle part and the two ends of basic framework.The present invention carries out rapid scanning measurement when not destroying preventing corrosion of repaired mouth layer to repaired mouth bonding quality, particularly bonding force, and detection efficiency is high, and adaptive ability is strong, and defect quantitative is accurate.

Description

Pipeline joint anticorrosion layer the cannot-harm-detection device

Technical field

The present invention is Pipeline joint anticorrosion layer the cannot-harm-detection device of a kind of oil and gas pipeline preventing corrosion of repaired mouth layer bonding quality, relates to ergometry and piping system technical field.

Background technology

Joint coating on pipeline is the corrosion prevention operation of two segment pipe welds.In the work progress of buried steel pipeline, joint coating on pipeline is the important procedure ensureing pipeline corrosion protection integrality, is also the key link ensureing whole pipeline external anti-corrosion layer quality.

For joint coating on pipeline, if opening-supplementing material selection is improper, field joint construction is of poor quality, the integrality of pipeline external anti-corrosion layer will be damaged.And the initial failure of opening-supplementing material will cause the massive losses of financial resource.At present, domestic 3PE corrosion-proof pipe line almost all adopts tygon material contracting with heat to carry out repaired mouth, but all found many quality problems in Pipe installing construction period and the use that puts into operation, excavation detects and finds that repaired mouth inefficacy proportion is not little, defines corrosion harmfulness risk to pipeline.Quality control during the appearance of Pipeline joint anticorrosion layer quality problems and pipeline construction has very large relation.In joint coating on pipeline quality testing, leak source detects and outward appearance visual detection to survey content, and wherein, after repaired mouth, the peel strength of heat shrink sleeve or bonding force are tested is then sampling observation mode.Specify in GB/T23257-2009 " buried steel pipeline polyethylene anticorrosive coating " standard, every 100 repaired mouths at least take a sample test a mouth.The mode of this sampling observation brings great hidden danger to pipe safety.In addition, this individual difference detecting operating personnel can produce certain influence to the accuracy detected, and bonding force test has destructiveness, during detection with cutter along pipe ring to the adhesive tape layer scratching 10 mm wides, length is greater than 100 millimeters, until body, then an angle of 90 degrees is become to pull open with spring balance with tube wall.This destructive spring balance method of testing is completed the repairing anticorrosion coating of rear needs to test position, has a certain impact to the performance tool of anticorrosive coat.

CN1761871A discloses a kind of pipeline outer wall and corrodes the cannot-harm-detection device, but detects not efficient for Pipeline joint anticorrosion layer.

Summary of the invention

The object of the invention is invention a kind of for the Non-Destructive Testing of preventing corrosion of repaired mouth layer bonding quality, when not destroying preventing corrosion of repaired mouth layer, rapid scanning measurement is carried out to repaired mouth bonding quality, particularly bonding force, detection efficiency is high, adaptive ability is strong, defect quantitative accurate Pipeline joint anticorrosion layer the cannot-harm-detection device.

Device of the present invention is made up of basic framework, travel mechanism, adsorbing mechanism, sensor holders mechanism.Basic framework is the carrier of travel mechanism, adsorbing mechanism, sensor holders mechanism; Travel mechanism orders about the power part of device walking; Adsorbing mechanism is parts pick-up unit being adsorbed in joint coating on pipeline place; Sensor holders mechanism is the parts of fixed test sensor, and sensor is contacted fully with joint coating on pipeline layer surface in testing process.The absorption basis of adsorbing mechanism is arranged on preventing corrosion of repaired mouth layer 9 both sides, and the remainder of adsorbing mechanism and basic framework, travel mechanism form the carrier around the movement of Pipeline joint anticorrosion layer 9 circumference jointly; Be provided with travel mechanism in one end of basic framework, sensor holders mechanism is arranged on middle part and the two ends of basic framework.

Apparatus of the present invention operating diagram is shown in Fig. 1, principle of work when showing the formation of long-distance oil & gas pipeline and the assembly relation of each parts of repaired mouth pick-up unit in figure and detect.Long-distance oil & gas pipeline generally lays 3PE anticorrosive coat 3 by body and two ends are docked between two without the metallic conduit 1 of anti-corrosion protection and are welded, and two segment pipe joints form weld seams 2.After welding, weld seam 2 both sides carry out anti-corrosion protection without the part of anti-corrosion protection by preventing corrosion of repaired mouth layer 9.During the pick-up unit operation of preventing corrosion of repaired mouth layer, first the guide rail hoop 4 of constituent apparatus adsorbing mechanism is fixed on preventing corrosion of repaired mouth layer 9 both sides, then by apparatus main body across being adsorbed on guide rail hoop 4 at joint coating on pipeline place by magnet-wheel 7, under the driving of driving wheel 10, be finally with dynamic sensor 15 pairs of preventing corrosion of repaired mouth layer 9 examinations.

Described basic framework is made up of two pieces of fixed heads 5 and a coupling shaft 6, by coupling shaft 6, two pieces of fixed heads 5 is connected into " work " font; Fixed head 5 is isosceles triangular structure, and as Fig. 3, fixed head 5 is provided with 1 chute hole a17 and two pilot hole a13; Coupling shaft 6 is assemblys of two kinds of columns of different-diameter, the column diameter in stage casing is large and be provided with pilot hole b19, the column diameter at two ends is little and be processed with screw thread, realizes the assembly connection of coupling shaft 6 and fixed head 5, as Fig. 4 in the chute hole a17 that can be placed on fixed head 5.Fixed head 5 is immobilizing foundations of travel mechanism, adsorbing mechanism and coupling shaft 6, and travel mechanism is connected with fixed head 5 by pilot hole a13 with adsorbing mechanism, and coupling shaft 6 is connected, as Fig. 2 with two pieces of fixed heads 5 by chute hole 17.

Described travel mechanism is made up of stepper motor 8, scrambler 11 and driving wheel 10.Driving wheel 10 is cylindrical roller, and middle part is provided with groove 27 and controls for the running orbit of whole device; Scrambler 11 and stepper motor 8 are combined, and are mainly used in the straight-line displacement of measuring stepper motor 8.Totally two groups, travel mechanism, is separately fixed on two pieces of fixed heads 5, and be mutually diagonal angle distribution, wherein stepper motor 8 and scrambler 11 are assemblied in outside fixed head 5, and driving wheel 10 is assemblied in inside fixed head 5, as Fig. 2.

Described adsorbing mechanism forms primarily of magnet-wheel 7, guide rail hoop 4.Magnet-wheel 7 is the column type rollers with magnetic force, and middle part is provided with groove 27; Guide rail hoop 4 is absorption bases of adsorbing mechanism, be made up of the semi-circular strip of steel 24 of two panels same size, as Fig. 5 and Fig. 6, steel band 24 one end is provided with fixing card column 25, fixing card column 25 is semicylinder structure, steel band 24 other end is provided with the buttcover plate 28 vertical with steel band end camber line, and buttcover plate 28 offers pilot hole.Form a complete right cylinder with two fixing card columns 25 of one end after two panels steel band 24 docks, right cylinder overcoat steel ring is fixed connection, two buttcover plates 28 of the other end combine closely realize with bolt closed.Be provided with fin 26 in the middle part of steel band 24, fin 26 provides guide channel for magnet-wheel 7 and driving wheel 10, and during pick-up unit walking, the groove 27 of magnet-wheel 7 and driving wheel 10 is stuck on fin 26, and the movement locus of limiting and detecting device, avoiding device offsets.Adsorbing mechanism totally two groups, two groups of guide rail hoops 4 are arranged on repaired mouth heat shrink sleeve 9 both sides respectively, and two groups of magnet-wheels 7 are arranged on the fixed head 5 of basic framework both sides, with travel mechanism cross-distribution, as Fig. 2.

Described sensor holders mechanism is made up of the axis of guide 12, spring 22, sensor cavity volume block 14 and sensor 15.The axis of guide 12 is ball body and cylindrical composite structure, it is the fixture of sensor holders mechanism, as Fig. 7, the right cylinder of the axis of guide 12 upper end is two cylindrical assemblys of different-diameter, the right cylinder that diameter is larger is connected with the spherosome of the axis of guide 12, the cylinder end that diameter is less is processed with screw thread, mainly realizes the axis of guide 12 and the connection of coupling shaft 6, is namely fixed on coupling shaft 6 by the pilot hole b19 of coupling shaft 6 by the axis of guide 12; The spherical part of the axis of guide 12 lower end is the component being connected sensor cavity volume block 14, and the banking motion being mainly sensor 15 certain limit provides support, and makes sensor adapt to the situation of repaired mouth shrink belt 9 surface undulation injustice.Sensor cavity volume block 14 is the bare bones forming the sensor cavity volume holding sensor 15, as Fig. 8, sensor cavity volume block 14 is a kind of shaped pieces, offer by upper end the cylinder that the cylinder of the spherical fluting 16 of semicircular and lower end offer rectangular slot 18 to combine, sensor cavity volume block 14 lower end is provided with chute hole b20, middle part is provided with pilot hole c21, and chute hole b20 provides passage for sensor 15 moves up and down, and a complete sensor cavity volume is docked by two sensor cavity volume blocks 14 and forms.Sensor 15 is repaired mouth heat shrink sleeve detection parts of a cuboid structure, as Fig. 9, sensor 15 is placed on the chute hole b20 of sensor cavity volume block 14 by the chute card 23 of the left and right sides, the surperficial surrounding that sensor 15 contacts with preventing corrosion of repaired mouth layer 9 is fillet profile, and this surface structure can make sensor 15 slide on the preventing corrosion of repaired mouth layer 9 of surface irregularity.Sectional view after the assembling of sensor holders mechanism is complete is as Figure 10, first the axis of guide 12, spring 22 and sensor 15 are placed in the middle of two sensor cavity volume blocks 14 during assembling, then by the closed butt joint of two sensor cavity volume blocks 14, and formation entirety is fixed by pilot hole c21 bolt.

The present invention can realize quantitative detection, pick-up unit is by the azimuth information of scrambler 11 Real-time Obtaining sensor 15 in pipe circumference, coordinate the positional information of sensor 15 at coupling shaft 6 and the testing result to preventing corrosion of repaired mouth layer 9 of sensor 15 again, realize quantitatively accurately detecting of preventing corrosion of repaired mouth layer 9 defect.

Advantage of the present invention:

1) pipe detection device is adsorbed on by magnetic wheel on the guide rail hoop that is fastened on pipeline and carries out preventing corrosion of repaired mouth layer quality of adhesive detection, guide rail cuff structure is simple, can according to different tube diameters processing and fabricating, such pick-up unit agent structure is not by the impact of pipe diameter, and the repaired mouth being applicable to multiple caliber pipeline detects;

2) realized the quick detection of opening-supplementing material by the mode of longitudinal Multi probe and axial motion mechanism, detection efficiency is high;

3) sensor can left and right and the motion of lower upper certain limit, and be not subject to the impact of joint coating on pipeline place different-thickness anticorrosive coat, adaptive ability is strong;

4) extendability is strong, can carry dissimilar sensor and carry out defects detection of different nature; The sensor of varying number can be set, realize the Scanning Detction of different densities;

5) coupling shaft setting height(from bottom) is adjustable, can realize the adjustment of the different contact force of sensor and adapt to different radian joint coating on pipeline detection needs.

6) device walking is stable, can not occur to offset and skidding when the fin on guide rail hoop ensure that pick-up unit walk with the groove close-coupled on driving wheel and magnet-wheel.

7) quantitative detection can be realized, pick-up unit is by the azimuth information of scrambler 11 Real-time Obtaining sensor 15 in pipe circumference, coordinate the positional information of sensor 15 at coupling shaft 6 and the testing result to preventing corrosion of repaired mouth layer 9 of sensor 15 again, realize quantitatively accurately detecting of preventing corrosion of repaired mouth layer 9 defect.

Accompanying drawing explanation

Fig. 1 device operating diagram

Fig. 2 pick-up unit main part schematic diagram

Fig. 3 fixed plate structure figure

Fig. 4 connecting axle structure figure

The one-piece construction figure of Fig. 5 guide rail hoop

The structural drawing of Fig. 6 guide rail hoop steel

Fig. 7 axis of guide structural drawing

Fig. 8 sensor cavity volume block structural diagram

Fig. 9 sensor construction figure

Sectional view (Tu2Zhong sensor holders mechanism A-A is to section) after the assembling of Figure 10 sensor holders mechanism

Wherein 1-pipeline, 2-weld seam

3-3PE anticorrosive coat, 4-guide rail hoop

5-fixed head, 6-coupling shaft

7-magnet-wheel, 8-stepper motor

9-preventing corrosion of repaired mouth layer, 10-driving wheel

11-scrambler, 12-axis of guide

13-pilot hole a14-sensor cavity volume block

15-sensor, 16-approximate half-circular is slotted

17-chute hole a18-rectangular slot

19-pilot hole b20-chute hole b

21-pilot hole c22-spring

23-chute card, 24-steel band

25-fixing card column 26-fin

27-groove, 28-buttcover plate

Embodiment

Embodiment.

The device basic framework of this example is processed by high-strength aluminum alloy material, the thick 5mm of isosceles triangle fixed head 5, bottom side length 30cm, high 20cm, chute hole a17 diameter 10mm, position is located on the perpendicular bisector on fixed head 5 base, and two pilot hole a13 diameters are determined according to the assembling diameter of axle of magnet-wheel 7 and driving wheel 10; Coupling shaft 6 is by the assembly of two kinds of columns of different-diameter, stage casing column diameter 30mm, length is determined according to the width of preventing corrosion of repaired mouth layer width and driving wheel 10, the column diameter 9mm length 20mm at two ends, the spacing of the pilot hole b19 diameter 5mm on coupling shaft 6, pilot hole b19 is according to sensor size setting.

Described travel mechanism is made up of stepper motor 8, scrambler 11 and driving wheel 10.Stepper motor 10 and scrambler 11 fit together, and scrambler 11 is increment of rotation formula scrambler, the driving torque of the model foundation device needs of stepper motor 10 and power apolegamy; Driving wheel 10 diameter 60mm, wide 40mm, material supply section selects plastics, and central slot 27 is the open rectangle of the wide 10mm of dark 5mm.After assembling, the position that driving wheel 10 contacts with guide rail hoop 4 is apart from the base at least 10mm of fixed head 5.Totally two groups, travel mechanism, is separately fixed on two pieces of fixed heads 5, and be mutually diagonal angle distribution, wherein stepper motor 8 and scrambler 11 are assemblied in outside fixed head 5, and driving wheel 10 is assemblied in inside fixed head 5.

Described adsorbing mechanism is made up of magnet-wheel 7, guide rail hoop 4.Magnet-wheel 7 is the column type rollers with magnetic force, and the size of diameter, width and central slot is consistent with driving wheel 10; Guide rail hoop 4 material is steel, width is 45mm, thickness 7mm, the length of two panels steel band 24 sets according to the semi-perimeter of different pipeline, and middle part fin 26 is the round rectangle of the wide 9mm of high 4mm, fixing card column 25 diameter 7mm height 20mm, the high 40mm of buttcover plate 28, pilot hole on buttcover plate 28 is arranged as required, is stuck in Pipeline joint anticorrosion layer 9 both sides when guide rail hoop 4 uses, and butt end is fixed with steel ring and screw and nut respectively; Two groups of magnet-wheels 7 are arranged on the fixed head 5 of basic framework both sides, and with driving wheel 10 cross-distribution, setting height(from bottom) is consistent with driving wheel 10.

Described sensor holders mechanism is made up of the axis of guide 12, spring 22, sensor cavity volume block 14 and sensor 15.The axis of guide 12 is spherical and cylindrical composite structure, the size of the barrel portion of upper end be applicable to assembling with coupling shaft 6 and sensor 15 surface contact preventing corrosion of repaired mouth layer 9 and set; The spherical diameter 15mm of the axis of guide 12 lower end.Sensor cavity volume block 14 is a kind of shaped pieces, by upper end offer approximate half-circular slot 16 cylinder and the lower end cylinder that offers rectangular slot 18 combine, whole height of column 80mm, length and width are according to the setting of sensor 15 size, the wherein spherical diameter of the size foundation axis of guide 12 of upper end approximate half-circular fluting and the angle initialization of permission sensor 15 horizontal anomalous movement, the size of the rectangular slot of hypomere is according to the setting of sensor 15 size, pilot hole c21 diameter 3mm, the up and down range set that chute hole b20 size and position need according to sensor 15.Sensor 15 is cuboid structures, length≤38mm, width≤25mm, height 50mm, the chute card 23 of the left and right sides is the right cylinder of diameter 4mm, the height of chute card 23 sets to assemble to flush to be as the criterion with sensor cavity volume block 14 outer wall afterwards, and height and the sensor 15 of the position foundation spring 22 of chute card 23 allow up and down scope to determine.First the axis of guide 12, spring 22 and sensor 15 are placed in the middle of two sensor cavity volume blocks 14 during the assembling of sensor holders mechanism, then by the closed butt joint of two sensor cavity volume blocks 14, and fix formation entirety by pilot hole c21 bolt.

During the pick-up unit operation of preventing corrosion of repaired mouth layer, first guide rail hoop 4 is fixed on preventing corrosion of repaired mouth layer 9 both sides, then first pipeline 1 is placed in the middle part of two panels steel band 24 in the hard-wired process of each side rails hoop 4, the right cylinder that one end steel ring sleeve that steel band 24 docks is formed two fixing card columns 25, two buttcover plates 28 close by other end bolt and screw.And then by apparatus main body across being adsorbed on guide rail hoop 4 by magnet-wheel 7 at joint coating on pipeline place, the groove 27 of driving wheel 10 and magnetic force 7 is stuck on the fin 26 of guide rail hoop.Last control step motor 8 drive unit main body moves to opposite side from buttcover plate 28 side that guide rail hoop 4 is closed, transmitted by sensor 14 between moving period and preventing corrosion of repaired mouth layer 9 tested, with sensor 15 azimuth information on pipe circumference of timer by scrambler 11 Real-time Obtaining, coordinate the positional information of sensor 15 at coupling shaft 6 and the testing result to preventing corrosion of repaired mouth layer 9 of sensor 15 again, realize quantitatively accurately detecting of preventing corrosion of repaired mouth layer 9 defect.After detection, at device two groups of magnet-wheel 7 underlay non-metallic gaskets, device can be ordered about and moves on non-metallic gasket, thus weaken absorption affinity, make apparatus main body getaway hoop 4 and removed.

This example, through test, carries out rapid scanning measurement when not destroying preventing corrosion of repaired mouth layer to repaired mouth bonding quality, particularly bonding force, measures efficiency high, and adaptive ability is strong, and defect quantitative is accurate.

Claims (6)

1. a Pipeline joint anticorrosion layer the cannot-harm-detection device, is characterized in that this pick-up unit is made up of basic framework, travel mechanism, adsorbing mechanism, sensor holders mechanism; Basic framework is travel mechanism, the magnet-wheel (7) of adsorbing mechanism, the carrier of sensor holders mechanism; Travel mechanism orders about the power part of device walking; Sensor holders mechanism fixed test sensor; Pick-up unit is adsorbed on the adsorbing mechanism guide rail hoop (4) at joint coating on pipeline place, guide rail hoop (4) is arranged on preventing corrosion of repaired mouth layer (9) both sides, magnet-wheel (7) and basic framework, the travel mechanism of adsorbing mechanism form an entirety jointly, can move around Pipeline joint anticorrosion layer (9) circumference; Be provided with travel mechanism in one end of basic framework, sensor holders mechanism is arranged on middle part and the two ends of basic framework.
2. Pipeline joint anticorrosion layer the cannot-harm-detection device according to claim 1, it is characterized in that described basic framework is made up of two pieces of fixed heads (5) and a coupling shaft (6), by coupling shaft (6), two pieces of fixed heads (5) are connected into " work " font; Fixed head (5) is isosceles triangular structure, and fixed head (5) is provided with 1 chute hole a (17) and two pilot hole a (13); Coupling shaft (6) is the assembly of two kinds of columns of different-diameter, the column diameter in stage casing is large and be provided with pilot hole b (19), the column diameter at two ends is little and be processed with screw thread, realizes the assembly connection of coupling shaft (6) and fixed head (5) in the chute hole a (17) being placed on fixed head (5); Travel mechanism is connected with fixed head (5) by pilot hole a (13) with adsorbing mechanism, and coupling shaft (6) is connected with two pieces of fixed heads (5) by chute hole a (17).
3. Pipeline joint anticorrosion layer the cannot-harm-detection device according to claim 2, is characterized in that described travel mechanism is made up of stepper motor (8), scrambler (11) and driving wheel (10); Driving wheel (10) is cylindrical roller, and middle part is provided with the groove (27) that the running orbit for whole device controls; Totally two groups, travel mechanism, be separately fixed on two pieces of fixed heads (5), be mutually diagonal angle distribution, wherein stepper motor (8) and scrambler (11) are assemblied in fixed head (5) outside, and driving wheel (10) is assemblied in fixed head (5) inner side.
4. Pipeline joint anticorrosion layer the cannot-harm-detection device according to claim 3, is characterized in that described adsorbing mechanism is primarily of magnet-wheel (7), guide rail hoop (4) composition, magnet-wheel (7) is the column type roller with magnetic force, and middle part is provided with groove (27), guide rail hoop (4) is made up of the semi-circular strip of steel of two panels same size (24), steel band (24) one end is provided with fixing card column (25), the other end is provided with the buttcover plate (28) vertical with steel band end camber line, (28) offer pilot hole to buttcover plate, with the right cylinder that two fixing card columns (25) formation one of one end are complete after two panels steel band (24) docking, right cylinder overcoat steel ring is fixed connection, two buttcover plates (28) of the other end are combined closely closed with bolt realization, steel band (24) middle part is provided with fin (26), fin (26) provides guide channel for magnet-wheel (7) and driving wheel (10), during pick-up unit walking, the groove (27) of magnet-wheel (7) and driving wheel (10) is stuck on fin (26), adsorbing mechanism totally two groups, two groups of guide rail hoops (4) are arranged on preventing corrosion of repaired mouth layer (9) both sides respectively, two groups of magnet-wheels (7) are arranged on the fixed head (5) of basic framework both sides, the setting height(from bottom) of two groups of magnet-wheels (7) is consistent with driving wheel (10), with travel mechanism cross-distribution.
5. Pipeline joint anticorrosion layer the cannot-harm-detection device according to claim 2, is characterized in that described sensor holders mechanism is made up of the axis of guide (12), spring (22), sensor cavity volume block (14) and sensor (15), the axis of guide (12) is ball body and cylindrical composite structure, the barrel portion of the upper end of the axis of guide (12) is two cylindrical assemblys of different-diameter, the right cylinder that diameter is larger is connected with the spherosome of the axis of guide (12), the cylinder end that diameter is less is processed with screw thread, mainly realize the axis of guide (12) and the connection of coupling shaft (6), namely by the pilot hole b (19) of coupling shaft (6), the axis of guide (12) is fixed on coupling shaft (6), the ball body segments of the axis of guide (12) lower end is the component being connected sensor cavity volume block (14), sensor cavity volume block (14) is the bare bones forming the sensor cavity volume holding sensor (15), sensor cavity volume block (14) is a kind of shaped piece, offer by upper end the cylinder that the cylinder of the spherical fluting of semicircular (16) and lower end offer rectangular slot (18) to combine, sensor cavity volume block (14) lower end is provided with chute hole b (20), middle part is provided with pilot hole c (21), chute hole b (20) provides passage for sensor (15) moves up and down, a complete sensor cavity volume is formed by the docking of two sensor cavity volume blocks (14), sensor (15) is the repaired mouth heat shrink sleeve detection part of a cuboid structure, sensor (15) is placed on the chute hole b (20) of sensor cavity volume block (14) by the chute card (23) of the left and right sides, and the surperficial surrounding that sensor (15) contacts with preventing corrosion of repaired mouth layer (9) is fillet profile, first the axis of guide (12), spring (22) and sensor (15) are placed on during the assembling of sensor holders mechanism in the middle of two sensor cavity volume blocks (14), then by the closed butt joint of two sensor cavity volume blocks (14), and formation entirety is fixed by pilot hole c (21) bolt.
6. Pipeline joint anticorrosion layer the cannot-harm-detection device according to claim 3, it is characterized in that pick-up unit is by scrambler (11) Real-time Obtaining sensor (15) azimuth information in pipe circumference, coordinate the positional information of sensor (15) at coupling shaft (6) and the testing result to preventing corrosion of repaired mouth layer (9) of sensor (15) again, realize quantitatively accurately detecting of preventing corrosion of repaired mouth layer (9) defect.
CN201310088449.3A 2013-03-19 2013-03-19 Pipeline joint anticorrosion layer the cannot-harm-detection device CN104062399B (en)

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* Cited by examiner, † Cited by third party
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CN104654019A (en) * 2015-03-12 2015-05-27 成都大漠石油机械有限公司 Mechanism for monitoring petroleum pipeline
CN107131388B (en) * 2016-02-29 2019-04-09 中国石油天然气集团公司 Joint coating on pipeline heat shrinking sleeve support device
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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0533595A1 (en) * 1991-09-12 1993-03-24 Valtubes Method and device for the non-destructive testing of long, cylindrical, metallic objects
FR2796153A1 (en) * 1999-07-09 2001-01-12 Setval Automatic non-destructive testing of testing tubes for all manner of internal defects uses a bar of transducer elements, that can be activated in groups according to a phase law, which have a shaped element to direct the beam
CN1828219A (en) * 2006-04-06 2006-09-06 上海交通大学 Intelligent detector for submarine pipeline
CN101451812A (en) * 2007-12-07 2009-06-10 中国石化集团胜利石油管理局钻井工艺研究院 Detection device for detecting deformation of oil gas delivery conduit
CN101762633A (en) * 2008-12-25 2010-06-30 中国石油天然气股份有限公司 Method for rapidly detecting pipeline body defects
CN201677943U (en) * 2009-10-28 2010-12-22 兰州瑞奇戈德测控技术有限公司 Crawling apparatus for nondestructive testing on the girth weld of a pipeline
CN102636560A (en) * 2012-05-08 2012-08-15 合肥中大检测技术有限公司 Online pipeline flaw detection device
CN203232019U (en) * 2013-03-19 2013-10-09 中国石油天然气股份有限公司 Nondestructive testing device for mending anticorrosion layers of pipelines

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH102888A (en) * 1996-06-13 1998-01-06 Hitachi Eng Co Ltd Automatic flow detection apparatus for piping

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0533595A1 (en) * 1991-09-12 1993-03-24 Valtubes Method and device for the non-destructive testing of long, cylindrical, metallic objects
FR2796153A1 (en) * 1999-07-09 2001-01-12 Setval Automatic non-destructive testing of testing tubes for all manner of internal defects uses a bar of transducer elements, that can be activated in groups according to a phase law, which have a shaped element to direct the beam
CN1828219A (en) * 2006-04-06 2006-09-06 上海交通大学 Intelligent detector for submarine pipeline
CN101451812A (en) * 2007-12-07 2009-06-10 中国石化集团胜利石油管理局钻井工艺研究院 Detection device for detecting deformation of oil gas delivery conduit
CN101762633A (en) * 2008-12-25 2010-06-30 中国石油天然气股份有限公司 Method for rapidly detecting pipeline body defects
CN201677943U (en) * 2009-10-28 2010-12-22 兰州瑞奇戈德测控技术有限公司 Crawling apparatus for nondestructive testing on the girth weld of a pipeline
CN102636560A (en) * 2012-05-08 2012-08-15 合肥中大检测技术有限公司 Online pipeline flaw detection device
CN203232019U (en) * 2013-03-19 2013-10-09 中国石油天然气股份有限公司 Nondestructive testing device for mending anticorrosion layers of pipelines

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