CN2849718Y - Portable drilling rod magnetic leakage nondestructive flaw detector - Google Patents
Portable drilling rod magnetic leakage nondestructive flaw detector Download PDFInfo
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- CN2849718Y CN2849718Y CN 200520096779 CN200520096779U CN2849718Y CN 2849718 Y CN2849718 Y CN 2849718Y CN 200520096779 CN200520096779 CN 200520096779 CN 200520096779 U CN200520096779 U CN 200520096779U CN 2849718 Y CN2849718 Y CN 2849718Y
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- probe
- drilling rod
- probe instrument
- instrument
- worktable
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Abstract
The utility model discloses a portable magnetic leakage nondestructive flaw detector for drilling rods, which comprises a probe apparatus, two work tables, a probe apparatus pulling and drawing device and a computer signal processing system, wherein each work table comprises a drilling rod lifting device, a running mechanism and a probe apparatus supporting seat; the probe apparatus pulling and drawing device is used for drawing the probe apparatus to run on the measured drilling rod between the work tables. A magnetizer on the probe apparatus is composed of two through type coils which are suspended and fixed on two side plates of a frame body. A driving part is composed of driving and supporting rolling wheels which are fixed on the two side plates. The driving and supporting rolling wheels are hung on the two side plates; a probe boot component is fixed on a bottom plate of the frame body and is composed of probe cores which are arranged on the base seats of two probe cores in peripheral distribution; the probe cores are in staggered arrangement; the base seats are movably connected to two slide rails. The computer signal processing system is used for processing detected signals transmitted by the probe apparatus. The utility model which can carry out timely and rapidly flaw detection without blind spots to the drilling rod has small size, light weight, easy use and stable work.
Description
Technical field
The utility model relates to a kind of non-destructive detection device, particularly a kind of portable drill rod non-blind area non-destructive detection device.
Background technology
The drilling rod that drilling well is used in the oil exploitation is generally left concentratedly at the pipe station, and storage area is big, and quantity is many; What also have stacks at drilling well site, and along with drilling depth is deepened gradually, the drilling rod that well head is stacked is more and more.In order to improve the reliability that the drilling rod of going into the well uses, reduce cost of drilling engineering, increase economic efficiency, be very necessary to their flaw detections in time.Thereby need a kind of portable defect-detecting equipment, on-the-spot to realize to its flaw detection fast in time.
The method of detection of drilling rod at present mainly uses the magnetic leakage detection method to be aided with supersonic detection method (seeing the huge western people " present state and perspectives of oil drill string nondestructive examination detection technique ", nondestructive examination, 1,995 3 P17-20).The body of rod and addition thick transition area detect respectively, and the detection of the body of rod is based on Magnetic Flux Leakage Inspecting equipment, and the detection of addition thick transition area is based on supersonic testing method.Existing method of detection both at home and abroad, adopt drilling rod to pass the scanning of the detection probe realization body of rod and (see fourth strength cutting edge of a knife or a sword, Kang Yihua, Baruch army, Zhang Yunlong " the production domesticization transformation of drilling rod checkout equipment " steel pipe, 2,004 33 (1), P35-37), generally be installed in inspection center or pipe station.Defect-detecting equipment is generally with heavy type, complex structure, multiple functional, relative fixed, floor area feature (seeing Hu Yuanbiao, Gui Nuanyin " application prospect of leakage field Non-Destructive Testing in Science Drilling drill string damage monitoring " mineral exploration engineering, 2,000 5 P64-66) greatly.This type of checkout equipment detection speed is fast, but checkout equipment volume, weight are big, and complex structure costs an arm and a leg, and needs to be equipped with between special conveying detection line and inspection car.
External existing a kind of detection probe (is seen
Www.oem-asia.com/products frames CLV.html) be implemented in the portable failure detector that moves on the drilling rod, because the straight warp of two ends of drill box cupling is much larger than the body of rod and addition thick transition area diameter, so this failure detector has adopted hinge opening and closing formula Magnetic Flux Leakage Inspecting probe and the combined structure of through mode magnetizing coil, detection probe and magnetizing coil are separate.The drilling rod lifting apparatus adopts pneumatic mechanism.During flaw detection, earlier by manually with the detection probe obvolvent on the drilling rod body of rod, pack into magnetizing coil and be fixed on the probe from drill rod end again, the pneumatic lifting apparatus at two ends gives rise to certain altitude with drilling rod then, the active wheel that travels on the probe drives whole detection unitized construction and strides across the drilling rod bracing frame together along tested drilling rod axially-movable, realizes the scanning flaw detection of the body of rod.This detection probe and magnetizing coil manually pack into tested drilling rod by manpower entirely or take off from surveying drilling rod, and flaw detection efficient is low, and labor strength is big; The axial dimension of drive part and detection of magnetic field part is big, fails to scan the end of tested drilling rod during detection, and it is big to detect the blind area.
Summary of the invention
Task of the present utility model provides a kind of portable drill rod leakage field non-destructive detection device, and this device can be used for the non-blind area flaw detection fast in time of drilling rod.
A kind of portable drill rod leakage field non-destructive detection device that the utility model provides comprises that probe instrument, first, second worktable, probe instrument drag and lead device and Computer signal disposal system.First, second worktable comprises lifting boring rod set, travel mechanism and probe instrument bearing, and is positioned at two outer surveys of the bracing frame of tested drilling rod, and the lifting boring rod set is used for the tested drilling rod of lifting, and travel mechanism is used to drive worktable and moves on ground guide.The probe instrument drag lead device be used to draw the probe instrument on the tested drilling rod between first, second worktable, walk.The probe instrument comprises magnetizing apparatus, probe boots assembly and drive part; Magnetizing apparatus is made of two groups of feed-through coils, hangs to be fixed on the biside plate of framework, has the through hole that can pass tested drilling rod on the biside plate; Drive part is made of the driving support roller on the biside plate that is fixed on framework, driving support roller is suspended on the biside plate of framework, probe boots assembly is positioned in the middle of two groups of feed-through coils, be fixed on by web joint on the upper and lower base plate of framework, probe boots assembly is made of several probe cores that are positioned on two probe core pedestals, each core of popping one's head in formation circumference that is interspersed, probe core pedestal is movably connected on two slide rails, and two slide rails link together by web joint; The Computer signal disposal system is used to handle the detectable signal that is transmitted by the probe instrument.
Characteristics of the present utility model are that the magnetizing apparatus of probe instrument, probe boots assembly and drive part are assemblied into an integral body, all can detect a flaw to the drilling rod body of rod and addition thick transition area; First, second worktable is finished the probe instrument and is packed into tested drilling rod and from surveying the action that drilling rod takes off, does not need manually to move; First, second worktable lifting boring rod set adopts the linear electric motors motorized motions; First, second worktable travel mechanism adopts motor-driven gear and tooth bar engagement to be moved; Probe instrument moving on tested drilling rod dragged by the probe instrument and to be led device and drag and lead realization.The utility model volume is little, in light weight, easy to use, stable working, can carry out non-blind area flaw detection fast in time to drilling rod.
Description of drawings
Fig. 1 totally constitutes synoptic diagram for failure detector;
Fig. 2 is probe instrument general structure synoptic diagram;
Fig. 3 is probe boots assembly synoptic diagram on the probe instrument;
Fig. 4 arranges for probe core on the probe instrument and launches synoptic diagram;
Fig. 5 is the worktable front elevational schematic;
Fig. 6 leads the device synoptic diagram for the probe instrument drags;
Fig. 7 is failure detector flaw detection synoptic diagram.
Embodiment
Below in conjunction with accompanying drawing and example the utility model is described in further detail.
As shown in Figure 1, whole portable drill rod magnetic leakage detection device is mainly dragged by probe instrument 1, first worktable 2, second worktable 2 ', probe instrument and leads device 3 and Computer signal disposal system 4 is formed.First worktable 2, second worktable 2 ' be equipped with respectively ground guide 5,5 '.During flaw detection, first worktable 2, second worktable 2 ' be placed on the bracing frame 7,7 of tested drilling rod 6 ' two outer surveys.
The structure of probe instrument comprises magnetizing apparatus, probe boots assembly and drive part three parts composition shown in Fig. 2 a, 2b.Magnetizing apparatus is installed on the biside plate of framework 9 by 2 groups of feed-through coils 8,8 ' constitute.The biside plate of framework 9 all has the through hole that can pass tested drilling rod, so as tested drilling rod 6 can pass coil 8,8 '.Drive part is made of four driving support roller 10a, 10b, 10c, 10d, becomes the 90-120 degree to hang and is installed on the biside plate of framework 9.Be the axial distance of the instrument that reduces to pop one's head in, support roller 10a, 10b, 10c, 10d be positioned at feed-through coil 8,8 ', with feed-through coil 8,8 ' on same cross section.
2 groups of feed-through coils 8,8 ' hang and be fixed on the biside plate of framework 9 by 4 thin pressing plate 12a, 12b, 12c, 12d, coil 8,8 ' one-sided suspension is fixed, there is not other fixed support plate in the middle of both are inboard, make little along the axial span of tested drilling rod, can allow probe instrument 1 move to the thickening transition limit position, termination of tested drilling rod 9, make detection blind area 13 reach minimum.
Probe boots assembly can open and close up, its structure is shown in Fig. 3 and Fig. 4 a, 8 probe core 14a, 14b, 14c, 14d, 14e, 14f, 14g, 14h become circle distribution be connected 2 core pedestals 15,15 of independently popping one's head in ' on, and 8 probe cores are alternating expression to be arranged, makes the probe instrument not have circumferential detection blind area.Two pedestals 15,15 ' be installed in slide rail 16,16 ' in, slide rail 16,16 ' by web joint 17,17 ' link together.Pedestal 15,15 ' can be at slide rail 16,16 ' be free to slide, realizing that probe opens closes up, and constitutes 2 lobe formulas probe boots assembly.This structure can be avoided the big box cupling of tested drill rod end, can be adjacent to detection to the diameter body of rod and the addition thick transition area little than the end box cupling simultaneously.Add multiple modes such as serving is manual by electronic or spool and realize pedestal 15,15 ' in slide rail 16,16 ' interior being free to slide.
Be that example illustrates a kind of connected mode between probe core and the pedestal with probe core 14a below, shown in Fig. 4 b, probe core 14a is connected on the probe core pedestal 15 by first, second contiguous block 18a, 19a " it " font, and support has floating spring 20a between the first contiguous block 18a and the pedestal 15.Should " it " font syndeton have the adaptability that the drilling rod different-diameter is detected, and can detect the drilling rod body of rod and addition thick transition area simultaneously.
First, second Working table structure is identical, be positioned at drilling rod bracing frame 7,7 ' both sides, worktable comprises lifting boring rod set, travel mechanism and probe instrument bearing three parts.Be that example illustrates its a kind of embodiment with first worktable below.As shown in Figure 5, the lifting boring rod set is made up of drilling rod rest block 21, traction power source 23, mistake serving 24 and angle sheave 25.Drilling rod rest block 21 is positioned at support 22, and is connected in series by serving 24 between it and the traction power source 23.Be compact conformation, angle sheave 25 is set on the top board of support 22, traction power source 23 is positioned at support 22 side plates, and places with drilling rod rest block 21 is parallel.Table surface is provided with probe instrument bearing 26, is used for placing probe instrument 1, can adjust its height by regulating height setting nut 27, places height with the difference that adapts to on-the-spot drilling rod.Travel mechanism is made up of first motor 28, gear 29 and tooth bar 30.On first motor, the 28 installment work platform table tops, first motor 28 is made gear motion by gear 29 and the tooth bar 30 on the ground guide 5, driving worktable moves on ground guide 5, make the probe instrument that is positioned on the probe instrument bearing 26 arrive and pack into tested drilling rod 6, and after detection was finished, the instrument of will popping one's head in took out from surveying drilling rod 6.
Traction power source 23 can adopt modes such as linear electric motors to realize.
As shown in Figure 6, the probe instrument drags the structure of leading device to be: an end of stay cord 31 links to each other with probe instrument 1, the other end links to each other with haulage cable 32, and second motor 33 is by haulage cable 32 and walk around reverse fixed pulley 34 and link to each other with probe instrument 1, to drag probe instrument 1 mobile on drilling rod 6.
The detectable signal of probe instrument sends Computer signal disposal system 4 to, carries out analyzing and processing by 4 pairs of data of Computer signal disposal system.
The method of detection of said apparatus is: as shown in Figure 7, first worktable 2, second worktable 2 ' respectively at ground guide 5,5 ' go up and to be automatically moved to end, drilling rod 6 two ends by position, end and to arrive position on the drilling rod rest block 21 away from tested drilling rod 6, the probe instrument of shelving on it 1 is delivered on the body of rod of drilling rod 6 by the big collar region cover in the end of tested drilling rod 6 with probe boots open configuration, then first of both sides, two worktable 2, drilling rod rest block 21 lifting under the effect of power source 23 on 3, be not subjected to stopping of drilling rod bracing frame 7 when drilling rod 6 being given rise to the extreme higher position and keeping this height can allow probe instrument 1 by drilling rod 6, at this moment popping one's head in, the probe boots close up on the instrument 1 probe boots assembly, be close to tested drilling rod 6, the instrument of popping one's head in then drags and leads device 3 and drag and lead the probe instrument and move on drilling rod 6, detection signal is carried out analyzing and processing and is shown by Computer signal disposal system 4 printing result of detection, after probe instrument 1 arrives the other end addition thick transition area limit position of drilling rod 6, first worktable 2, second worktable 2 ' lifting apparatus fall, allow drilling rod 6 fall on the drilling rod bracing frame 7, probe instrument 1 is fallen on the mobile probe instrument bearing 26, first worktable 2 then, second worktable 2 ' retreat, remove from drilling rod 6 up to probe instrument 1 thereupon, survey drilling rod 6 and be rolled on the support detection zone, finished the detection of a drilling rod.
To drilling rod 6 flaw detections the time, probe instrument 1 packs into tested drilling rod 6 and all finishes by worktable is electronic from the action that tested drilling rod 6 takes off, and does not need manually to move, and has reduced labour intensity.
To drilling rod 6 flaw detections the time, probe instrument 1 can arrive the limit position of drill rod end, makes that detecting the blind area reduces.
To drilling rod 6 flaw detection the time, worktable adopts electronic source to drive, stable action, and synchronism, promptness are good, noise-less pollution.
Enumerated a failure detector with 8 probe cores above, content of the present utility model is not limited thereto, and those skilled in the art can adopt multiple mode to realize the utility model according to disclosed content.
Claims (8)
1, a kind of portable drill rod leakage field non-destructive detection device is characterized in that: this device comprises that probe instrument (1), first, second worktable (2,2 '), probe instrument drag and lead device (3) and Computer signal disposal system (4); First, second worktable (2,2 ') comprises lifting boring rod set, travel mechanism and probe instrument bearing, and be positioned at two outer surveys of the bracing frame (7,7 ') of tested drilling rod (6), the lifting boring rod set is used for the tested drilling rod of lifting (6), and travel mechanism is used to drive worktable and goes up mobile at ground guide (5,5 '); The probe instrument drags and leads device (3) and be used for the tested drilling rod (6) of traction probe instrument (1) between first, second worktable (2,2 ') and go up walking;
Probe instrument (1) comprises magnetizing apparatus, probe boots assembly and drive part; Magnetizing apparatus is made of two groups of feed-through coils (8,8 '), hangs to be fixed on the biside plate of framework (9), and having on the biside plate can be by the through hole of tested drilling rod; Drive part is made of the driving support roller on the biside plate that is fixed on framework (9), drives the support roller suspension and is fixed on the biside plate of framework (9); Probe boots assemblies (11) are positioned in the middle of two groups of feed-through coils (8,8 '), be fixed on the upper and lower base plate of framework (9) by web joint (17,17 '), probe boots assemblies (11) are made of several probe cores that are positioned on two probe core pedestals (15,15 '), each core of popping one's head in formation circumference that is interspersed, probe core pedestal (15,15 ') is movably connected on the slide rail (16,16 '), and slide rail (16,16 ') links together by web joint (17,17 ');
Computer signal disposal system (4) is used for handling the detectable signal that is transmitted by probe instrument (1).
2, device according to claim 1 is characterized in that: the probe core is connected on the probe core pedestal by first, second contiguous block " it " font, and support has floating spring between first contiguous block and the pedestal.
3, device according to claim 1 and 2 is characterized in that: first, second Working table structure is identical, and its structure is:
Connected in series between drilling rod rest block (21) and traction power source (23) by serving (24), parallel being placed in the support (22), probe instrument bearing (26) is positioned on the table surface; First motor (28) is used for making gear motion by gear (29) and the tooth bar (30) on the ground guide (5), drives worktable and goes up mobile at ground guide (5).
4, device according to claim 1 and 2, it is characterized in that: described probe instrument drags the structure of leading device to be: an end of stay cord (31) links to each other with probe instrument (1), the other end links to each other with haulage cable (32), second motor (33) by haulage cable (32) and walk around reverse fixed pulley (34) with the probe instrument (1) link to each other.
5, device according to claim 3, it is characterized in that: described probe instrument drags the structure of leading device to be: an end of stay cord (31) links to each other with probe instrument (1), the other end links to each other with haulage cable (32), second motor (33) by haulage cable (32) and walk around reverse fixed pulley (34) with the probe instrument (1) link to each other.
6, device according to claim 5 is characterized in that: described driving support roller be positioned at feed-through coil (8,8 ') and with its on same cross section.
7, device according to claim 6 is characterized in that: described lifting boring rod set is made up of drilling rod rest block (21), traction power source (23), mistake serving (24) and angle sheave (25); Drilling rod rest block (21) is positioned at support (22), and is connected in series by serving (24) between it and traction power source (23); Angle sheave (25) is set on the top board of support (22), and traction power source (23) are positioned at support (22) side plate, and place with drilling rod rest block (21) is parallel.
8, device according to claim 7 is characterized in that: described travel mechanism is made up of first motor (28), gear (29) and tooth bar (30); First motor (28) is positioned on the table surface, and first motor (28) is made gear motion by gear (29) and the tooth bar (30) on the ground guide, drives worktable and moves on ground guide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520096779 CN2849718Y (en) | 2005-06-16 | 2005-06-16 | Portable drilling rod magnetic leakage nondestructive flaw detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520096779 CN2849718Y (en) | 2005-06-16 | 2005-06-16 | Portable drilling rod magnetic leakage nondestructive flaw detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2849718Y true CN2849718Y (en) | 2006-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520096779 Expired - Lifetime CN2849718Y (en) | 2005-06-16 | 2005-06-16 | Portable drilling rod magnetic leakage nondestructive flaw detector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100458436C (en) * | 2007-02-14 | 2009-02-04 | 沈阳银捷机械装备制造有限责任公司 | Multifunction electromagnetic flaw detection device |
| CN104280452A (en) * | 2014-09-30 | 2015-01-14 | 北京工业大学 | Wire rope defect scanning system based on circular array weak magnetic detection sensor |
| CN105223267A (en) * | 2015-10-12 | 2016-01-06 | 清华大学 | Ferromagnetic component off-line leakage field imaging detection device and method |
-
2005
- 2005-06-16 CN CN 200520096779 patent/CN2849718Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100458436C (en) * | 2007-02-14 | 2009-02-04 | 沈阳银捷机械装备制造有限责任公司 | Multifunction electromagnetic flaw detection device |
| CN104280452A (en) * | 2014-09-30 | 2015-01-14 | 北京工业大学 | Wire rope defect scanning system based on circular array weak magnetic detection sensor |
| CN104280452B (en) * | 2014-09-30 | 2017-05-24 | 北京工业大学 | Wire rope defect scanning system based on circular array weak magnetic detection sensor |
| CN105223267A (en) * | 2015-10-12 | 2016-01-06 | 清华大学 | Ferromagnetic component off-line leakage field imaging detection device and method |
| CN105223267B (en) * | 2015-10-12 | 2018-05-29 | 清华大学 | The offline leakage field imaging detection device of ferromagnetic component and method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150616 Granted publication date: 20061220 |