CN109115865A - Disc type coiled tubing damage detection apparatus - Google Patents
Disc type coiled tubing damage detection apparatus Download PDFInfo
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- CN109115865A CN109115865A CN201811086604.7A CN201811086604A CN109115865A CN 109115865 A CN109115865 A CN 109115865A CN 201811086604 A CN201811086604 A CN 201811086604A CN 109115865 A CN109115865 A CN 109115865A
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- 230000005291 magnetic effect Effects 0.000 claims abstract description 26
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- 239000004615 ingredient Substances 0.000 description 9
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- 230000005381 magnetic domain Effects 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 1
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- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005399 magnetomechanical effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
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- 230000000246 remedial effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/83—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
- G01N27/85—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields using magnetographic methods
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Abstract
The invention discloses a kind of disc type coiled tubing damage detection apparatus, it is related to oil pipe detection field, the disc type coiled tubing damage detection apparatus includes: the casing mechanism with axis, and the casing mechanism has aperture in the axial direction, and the aperture for coiled tubing for passing through；Multiple telescoping mechanisms that setting is circumferentially distributed around the aperture, the telescoping mechanism include: the pedestal being fixed on the casing mechanism；Sliding part on the pedestal is set, and the sliding part can be slided along the pedestal；Elastic component, the elastic component can make the sliding part mobile to the axis direction；The inside being arranged on the sliding part is equipped with the accommodating member of giant magnetoresistance magnetic field sensor；The idler wheel close to described axis one end of the accommodating member is set.The application is able to detect the gross imperfection of coiled tubing, and can the stress collection to coiled tubing neutralize earlier damage and detect, provide support for the failure analysis and life appraisal of coiled tubing.
Description
Technical field
The present invention relates to oil pipe detection field, in particular to a kind of disc type coiled tubing damage detection apparatus.
Background technique
A kind of application tool of the coiled tubing as Oil Field, have job execution it is high-efficient, without box cupling, can continuously rise
Inferior advantage, and be able to satisfy the needs of some special process, making coiled tubing in recent years, field use is more and more at home
Extensively.Therefore, the research for coiled tubing safety is particularly important, and coiled tubing can bear internal pressure in operation, draw
Bend the collective effect of the load such as torsion, it may appear that deformation, aperture, cracking equivalent damage so cause the wall thickness of coiled tubing to occur
Variation, easily causes safety accident.Through experiments, it was found that fatigue life cycle can reduce after defect occurs for material, and if in advance
It detects the region that defect occurs and takes corresponding remedial measure, cycle-index when can make relative to generation defect is significantly
Increase, so, non-destructive testing has a very big significance the application of coiled tubing.
Currently, common coiled tubing detection technique has EDDY CURRENT, electromagnetic acoustic detection, ultrasound detection etc..But whirlpool
Stream detection limitation is state modulator hardly possible, and it is difficult as a result to explain, and limits conductive material.It is big and right that electromagnetic acoustic tests and analyzes difficulty
The sensitivity requirement of probe is very high, implements more difficult.Ultrasound detection generally by reflecting damage indirectly to wall thickness measuring,
But it is complete to surface and stress concentrates serious region that can not detect.Therefore, the new detection device of one kind is needed to continuous oil
Pipe carries out damage check, to find coiled tubing existing defects.
Summary of the invention
In order to overcome the drawbacks described above of the prior art, the technical problem to be solved is that provide one kind for the embodiment of the present invention
Disc type coiled tubing damage detection apparatus, is able to detect the gross imperfection of coiled tubing, and can stress collection to coiled tubing
It neutralizes earlier damage to be detected, provides support for the failure analysis and life appraisal of coiled tubing.
The specific technical solution of the embodiment of the present invention is:
A kind of disc type coiled tubing damage detection apparatus, the disc type coiled tubing damage detection apparatus include:
Casing mechanism with axis, the casing mechanism have aperture in the axial direction, and the aperture is used for for continuous
Oil pipe passes through；
Multiple telescoping mechanisms that setting is circumferentially distributed around the aperture, the telescoping mechanism include: to be fixed at institute
State the pedestal on casing mechanism；Sliding part on the pedestal is set, and the sliding part can be slided along the pedestal；Elasticity
Part, the elastic component can make the sliding part mobile to the axis direction；
The inside being arranged on the sliding part is equipped with the accommodating member of giant magnetoresistance magnetic field sensor；
The idler wheel close to described axis one end of the accommodating member is set.
In a preferred embodiment, the casing mechanism includes: the first disk body；It is fixed at first disk
The second disk body above body；There is pre-determined distance, the telescoping mechanism setting between first disk body and second disk body
Between first disk body and second disk body.
In a preferred embodiment, it is connected between first disk body and second disk body by connecting column
It connects, first disk body includes multiple first disk body ring blocks, and second disk body includes multiple second disk body ring blocks, the first disk body
The end of ring block and the second opposite disk body ring block is provided with link block, passes through locking screw between two pieces of adjacent link blocks
It tethers and connects.
In a preferred embodiment, the aperture, second disk body are offered in the middle part of first disk body
Middle part offer the aperture.
In a preferred embodiment, the pedestal is fixed on the upper surface of first disk body, described
There is guide rail, the guide rail extends along the radial direction of the aperture, offers and the guide rail on the sliding part on pedestal
The sliding slot to match.
In a preferred embodiment, one end of the elastic component is mutually fixed with first disk body or the pedestal
Connection, the other end of the elastic component are mutually fixedly connected with the accommodating member or the sliding part.
In a preferred embodiment, the lower end of the accommodating member has the radially extended along the aperture
One groove, the elastic component are located in first groove.
In a preferred embodiment, the upper end of the accommodating member offers close to one end of the axis direction
Two grooves, the giant magnetoresistance magnetic field sensor are encapsulated in second groove.
In a preferred embodiment, the idler wheel is mounted on the accommodating member by bolt, is arranged at one
The idler wheel of the accommodating member is two, and an idler wheel is located at the top of described accommodating member one end, another idler wheel is located at the appearance
Set the lower section of part one end.
In a preferred embodiment, when coiled tubing passes through the aperture, the idler wheel is in the elastic component
Under the action of be adjacent to the surface of the coiled tubing with generate sliding.
Technical solution of the present invention have it is following significant the utility model has the advantages that
Disc type coiled tubing damage detection apparatus in the application is used to carry out the magnetic memory signal of coiled tubing tube body
Acquisition.When needing to carry out damage check to coiled tubing, by adjusting the distance between sliding part and pedestal in telescoping mechanism
To which multiple accommodating members are mobile to the axis direction far from shell, in this way, coiled tubing can be threaded through to the aperture of shell
In, due to the effect of elastic component in telescoping mechanism, sliding part has mobile trend to the axis direction, therefore on sliding part
The accommodating member and idler wheel of setting can be close or be fitted on the side wall of coiled tubing.When coiled tubing is along the axis direction of shell
When mobile, idler wheel enables coiled tubing smoothly to slide through in aperture, and at the same time, the giant magnetoresistance magnetic field in accommodating member passes
Sensor can successively acquire the magnetic memory signal at coiled tubing difference tube body position, by the magnetic memory signal data of acquisition with
Qualitative, positioning analysis is carried out to coiled tubing vessel wall damage position, to be early diagnosed, be detected a flaw to coiled tubing.
Referring to following description and accompanying drawings, only certain exemplary embodiments of this invention is disclosed in detail, specifies original of the invention
Reason can be in a manner of adopted.It should be understood that embodiments of the present invention are not so limited in range.In appended power
In the range of the spirit and terms that benefit requires, embodiments of the present invention include many changes, modifications and are equal.For a kind of reality
The feature that the mode of applying is described and/or shown can be made in one or more other embodiments in a manner of same or similar
With, be combined with the feature in other embodiment, or substitution other embodiment in feature.
Detailed description of the invention
Attached drawing described here is only used for task of explanation, and is not intended to limit model disclosed by the invention in any way
It encloses.In addition, shape and proportional sizes of each component in figure etc. are only schematical, it is used to help the understanding of the present invention, and
It is not the specific shape and proportional sizes for limiting each component of the present invention.Those skilled in the art under the teachings of the present invention, can
Implement the present invention to select various possible shapes and proportional sizes as the case may be.
Fig. 1 is the front view of disc type coiled tubing damage detection apparatus in the embodiment of the present invention；
Fig. 2 is the sectional view of disc type coiled tubing damage detection apparatus in the embodiment of the present invention；
Fig. 3 is the schematic diagram of the first disk body in the embodiment of the present invention；
Fig. 4 is the schematic diagram of the second disk body in the embodiment of the present invention；
Fig. 5 is the schematic diagram that telescoping mechanism, accommodating member and idler wheel fit together in the embodiment of the present invention；
Fig. 6 is the top view of disc type coiled tubing damage detection apparatus in the embodiment of the present invention.
The appended drawing reference of the figures above:
1, casing mechanism；11, aperture；12, the first disk body；121, the first disk body ring block；13, the second disk body；131, second
Disk body ring block；14, connecting column；15, link block；2, telescoping mechanism；21, pedestal；211, guide rail；22, sliding part；221, sliding slot；
23, elastic component；3, accommodating member；31, the first groove；32, the second groove；4, idler wheel.
Specific embodiment
With reference to the drawings and the description of the specific embodiments of the present invention, details of the invention can clearly be understood.But
It is the specific embodiment of invention described herein, purpose for explaining only the invention, and cannot understand in any way
At being limitation of the present invention.Under the teachings of the present invention, technical staff is contemplated that based on any possible change of the invention
Shape, these are regarded as belonging to the scope of the present invention.It should be noted that when element is referred to as " being set to " another yuan
Part, it can directly on the other element or there may also be elements placed in the middle.When an element is considered as " connection "
Another element, it can be directly to another element or may be simultaneously present centering elements.Term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be mechanical connection or electrical connection, are also possible to inside two elements
Connection, can be directly connected, can also indirectly connected through an intermediary, for the ordinary skill in the art,
The concrete meaning of above-mentioned term can be understood as the case may be.Term as used herein " vertical ", " horizontal ",
"upper", "lower", "left", "right" and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.Term as used herein "and/or" includes one or more
Any and all combinations of relevant listed item.
In order to detect the gross imperfection of coiled tubing, and can the stress collection to coiled tubing neutralize earlier damage and carry out
Detection, provides support for the failure analysis of coiled tubing and life appraisal, proposes a kind of disc type coiled tubing in this application
Damage detection apparatus, Fig. 1 are the front view of disc type coiled tubing damage detection apparatus in the embodiment of the present invention, and Fig. 2 is the present invention
The sectional view of disc type coiled tubing damage detection apparatus in embodiment, as depicted in figs. 1 and 2, disc type coiled tubing damage check
Device may include: the casing mechanism 1 with axis, and casing mechanism 1 has aperture 11 in the axial direction, and aperture 11 is used for for even
Continuous oil pipe passes through；Multiple telescoping mechanisms 2 that setting is circumferentially distributed around aperture 11, telescoping mechanism 2 includes: to be fixed at shell
Pedestal 21 in mechanism 1；Sliding part 22 on pedestal 21 is set, and sliding part 22 can be slided along pedestal 21；Elastic component 23, elasticity
Part 23 can make sliding part 22 mobile to axis direction；The inside being arranged on sliding part 22 is equipped with giant magnetoresistance magnetic field sensor
Accommodating member 3；The idler wheel 4 by axial ray one end of accommodating member 3 is set.
Disc type coiled tubing damage detection apparatus in the application is used to carry out the magnetic memory signal of coiled tubing tube body
Acquisition.When needing to carry out damage check to coiled tubing, by adjusting in telescoping mechanism 2 between sliding part 22 and pedestal 21
Distance is to mobile to the axis direction far from casing mechanism 1 by multiple accommodating members 3, in this way, coiled tubing can be threaded through
In the aperture 11 of casing mechanism 1, due to the effect of elastic component 23 in telescoping mechanism 2, sliding part 22 has movement to axis direction
Trend, therefore, the accommodating member 3 and idler wheel 4 that are arranged on sliding part 22 can be close or be fitted on the side wall of coiled tubing.When
When coiled tubing is moved along the axis direction of casing mechanism 1, idler wheel 4 enables coiled tubing, and smoothly sliding is logical in aperture 11
It crosses, at the same time, the giant magnetoresistance magnetic field sensor in accommodating member 3 can successively acquire the magnetic at coiled tubing difference tube body position
Memory signal, by the magnetic memory signal data of acquisition to carry out qualitative, positioning analysis to coiled tubing vessel wall damage position, from
And coiled tubing is early diagnosed, is detected a flaw.
In order to the disc type coiled tubing damage detection apparatus being better understood by the application, it will be done into one below
Walk description and interpretation.As shown in Figure 1, casing mechanism 1 has axis along the vertical direction, the middle part of casing mechanism 1 is along axis side
To with aperture 11, aperture 11 for being passed through for coiled tubing, the aperture 11 can rounded or other shapes, only need to meet
Coiled tubing can pass through.
Fig. 3 is the schematic diagram of the first disk body 12 in the embodiment of the present invention, and Fig. 4 is the second disk body 13 in the embodiment of the present invention
Schematic diagram, shown as shown in Figure 1, Figure 3 and Figure 4, casing mechanism 1 may include: the first disk body 12；It is fixed on the first disk body 12
Second disk body 13 of side；There is pre-determined distance, telescoping mechanism 2 is arranged in the first disk body between first disk body 12 and the second disk body 13
12 and second between disk body 13.Space can be saved by this way, and can be damaged to avoid telescoping mechanism 2 by external force.The
The middle part of one disk body 12 offers aperture 11, and the middle part of the second disk body 13 offers aperture 11,11 He of aperture of the first disk body 12
The aperture 11 of second disk body 13 for coiled tubing for passing through.
As depicted in figs. 1 and 2, in order to make the first disk body 12 and the second disk body 13 be capable of fixing and link together,
And be able to maintain pre-determined distance between the two, in a kind of feasible embodiment, the first disk body 12 and the second disk body 13 it
Between be connected by connecting column 14.Connecting column 14 can be the cylindrical body of variable diameters, and both ends are contour small diameter cylinders, the
Circular hole is offered on one disk body 12 and the second disk body 13, so that in the small diameter cylinders insertion circular hole of connecting column 14, then
It can be fixed by welding or nut.Connecting column 14 can be around the axis of casing mechanism 1 in circumferentially distributed.
Shown in as shown in Figure 1, Figure 3 and Figure 4, the first disk body 12 may include multiple first disk body ring blocks 121, and the second disk body 13 can
To include multiple second disk body ring blocks 131, the end of the first disk body ring block 121 and the second opposite disk body ring block 131 is provided with
Link block 15 passes through clamping screw between two pieces of adjacent link blocks 15 and connects.Enable connected ring block by link block 15
It is enough fixed together, to form complete disk body.In the present embodiment, the first disk body 12 includes two piece of first disk body
Ring block 121, the first disk body ring block 121 are in semi-annular shape, and the second disk body 13 includes two piece of second disk body ring block 131, the second disk body
Ring block 131 is also in semi-annular shape.End between first disk body ring block 121 and the second disk body ring block 131 is fixedly installed connection
Block 15, can be locked by positioning pin between link block 15 and the first disk body ring block 121, the second disk body ring block 131, can also lead to
It crosses bolt to fix, can also be fixedly welded fixed etc..Pass through horizontally disposed lock between two pieces of adjacent link blocks 15
It tightly is bolted fixation, detachably state between the ring block that can so to be connected.By dismountable connecting column 14 and even
This disc type coiled tubing damage detection apparatus can be opened at any time by connecing 15 clamping screws of block, be pacified in this way convenient for the later period to device
Dress and maintenance.
Fig. 5 is the schematic diagram that telescoping mechanism, accommodating member and idler wheel fit together in the embodiment of the present invention, and Fig. 6 is this hair
The top view of disc type coiled tubing damage detection apparatus in bright embodiment, as shown in Figure 2, Figure 5 and Figure 6, multiple telescoping mechanisms 2 around
Aperture 11 is circumferentially distributed setting, and telescoping mechanism 2 includes: the pedestal 21 being fixed on casing mechanism 1；It is arranged in pedestal 21
On sliding part 22, sliding part 22 can slide along guide rail 211；Elastic component 23, elastic component 23 can make sliding part 22 to axis side
To movement.
As shown in figure 5, the pedestal 21 equipped with several threaded holes, for fixing in telescoping mechanism 2 is opened up on the first disk body 12,
Through-hole is offered on pedestal 21, is mutually fixedly connected between pedestal 21 and the first disk body 12 by screw.Pedestal 21 is fixed at
On the upper surface of first disk body 12, there is guide rail 211 on pedestal 21, guide rail 211 extends along the radial direction of aperture 11, sliding part
The sliding slot 221 to match with guide rail 211 is offered on 22.In a kind of feasible embodiment, the track of pedestal 21 is two sides
The concave groove having, the sliding slot 221 of sliding part 22 are the concave slot of two sides, the concave groove of pedestal 21 and the concave slot of sliding part 22
Xiang Ka, so that sliding part 22 can slide on pedestal 21 along the radial direction of aperture 11.Of course, in other embodiment party
In formula, guide rail 211 and sliding slot 221 can be the other structures form to match, not do any restrictions to it in this application.
In order to enable elastic component 23 to make sliding part 22 mobile to axis direction, one end of elastic component 23 and the first disk body 12
Or 21 phase of pedestal is fixedly connected, the other end of elastic component 23 is fixedly connected with accommodating member 3 or 22 phase of sliding part.Pass through above-mentioned side
Formula, when sliding part 22 is mobile backwards to aperture 11, the circular space formed between multiple accommodating members 3 increases, in this way, may be implemented
Variable diameter is to detect various sizes of coiled tubing.Meanwhile elastic component 23 has sliding part 22 to axis direction shifting
Dynamic trend, in this way, guaranteeing that the accommodating member 3 on sliding part 22 can be tightly attached on the side wall of coiled tubing, and then convenient for accommodating
Giant magnetoresistance magnetic field sensor in part 3 carries out Magnetic memory testing to the tube wall of coiled tubing.
In the present embodiment, as shown in Fig. 2, one end of elastic component 23 is mutually solid at aperture 11 with the first disk body 12
Fixed, the one end of the other end of elastic component 23 with accommodating member 3 far from aperture 11 is mutually fixed.Elastic component 23 can select spring, spring
Both ends pass through screw respectively and fixed with accommodating member 3 and 12 phase of the first disk body.The lower end of accommodating member 3 has a diameter along aperture 11
To the first groove 31 of extension, elastic component 23 is located in the first groove 31.It through the above way can entire disc type coiled tubing
The structure of damage detection apparatus is more compact.In other embodiments, one end of elastic component 23 is fixedly connected with 21 phase of pedestal,
The other end of elastic component 23 is fixedly connected with 22 phase of sliding part.
As shown in figure 4, accommodating member 3 is fixed on sliding part 22.Specifically, between accommodating member 3 and sliding part 22
It can be fixed by screw.The upper end of accommodating member 3 offers the second groove 32, giant magnetoresistance magnetic close to one end of axis direction
Field sensor is encapsulated in the second groove 32.For example, giant magnetoresistance magnetic field sensor can be encapsulated in the second groove by marine glue
In 32, to avoid giant magnetoresistance magnetic field sensor short circuit failure.
As shown in Figure 2 and Figure 6, idler wheel 4 be arranged in accommodating member 3 by axial ray one end.In a kind of feasible embodiment
In, idler wheel 4 is mounted on accommodating member 3 by bolt, and the idler wheel 4 that an accommodating member 3 is arranged in is two, and an idler wheel 4 is located at
The top of 3 one end of accommodating member, another idler wheel 4 are located at the lower section of 3 one end of accommodating member.When coiled tubing passes through aperture 11, one
Two idler wheels 4 are arranged on a accommodating member 3 can make coiled tubing remain perpendicular to the angle of the first disk body 12, avoid continuous oil
Pipe tilts, thus appearance when the giant magnetoresistance magnetic field sensor in accommodating member 3 being avoided to detect the tube wall of coiled tubing
Error.Idler wheel 4 can guarantee that giant magnetoresistance magnetic field sensor in the lift-off value stable operation of oil pipe surface, makes the sliding in detection process
Friction becomes rolling friction, to reduce the loss to coiled tubing and detection device, and then increases coiled tubing and inspection
Survey the service life of device.
Disc type coiled tubing damage detection apparatus portable construction in the application, it is easy to use, be easy to load and unload, it is mountable
It is used on coiled tubing injection head.When tested coiled tubing is filled by given pace and direction across disc type coiled tubing damage check
When aperture 11 in setting, telescopic telescoping mechanism 2 is bonded the giant magnetoresistance magnetic field sensor in accommodating member 3 well continuously
The outer surface of oil pipe, and by idler wheel 4 along tube wall linear relative movement.The ferromagnetic component of coiled tubing tube wall in operation because
The lower deformation for generating magnetoelastic properties of external carbuncle effect for bearing the load such as internal pressure, tension and compression bending, causes the displacement of neticdomain wall,
To change the spontaneous manetization direction of magnetic domain, the variation of free stray field signal value, the method in magnetic field are formed in region of stress concentration
Change and have zero point to component direction, tangential component has maximum value.It is this because of magneto-mechanical effect after external carbuncle is removed
The reorientation of the magnetic domain tissue of initiation still will continue to retain, and thus remember ferromagnetic component microdefect or its stress collection
In position.The present apparatus can be vertically moved along coiled tubing, be acquired by giant magnetoresistance magnetic field sensor to magnetic memory signal,
Based on magnetic memory detection technology, which can not only detect the gross imperfection of coiled tubing, and
Stress can be concentrated and earlier damage detects, provided strong support for the failure analysis and life appraisal of coiled tubing.
All articles and reference disclosed, including patent application and publication, for various purposes by quoting knot
Together in this.Describing combined term " substantially by ... constitute " should include identified element, ingredient, component or step and reality
Other elements, ingredient, component or the step of the basic novel feature of the combination are not influenced in matter.Using term "comprising" or
" comprising " describes the combination of element here, ingredient, component or step it is also contemplated that substantially by these elements, ingredient, component
Or the embodiment that step is constituted.Here by using term " can with ", it is intended to illustrate that " can with " includes described any
Attribute is all optional.Multiple element, ingredient, component or step can be mentioned by single integrated component, ingredient, component or step
For.Alternatively, single integrated component, ingredient, component or step can be divided into multiple element, ingredient, component or the step of separation
Suddenly.For describe the open "a" or "an" of element, ingredient, component or step do not say in order to exclude other elements, at
Point, component or step.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.Above-described embodiment is only
Illustrate technical concepts and features of the invention, its object is to those skilled in the art can understand the contents of the present invention
And implement accordingly, it is not intended to limit the scope of the present invention.Equivalence changes made by all Spirit Essences according to the present invention
Or modification, it should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of disc type coiled tubing damage detection apparatus, which is characterized in that the disc type coiled tubing damage detection apparatus packet
It includes:
Casing mechanism with axis, the casing mechanism have aperture in the axial direction, and the aperture is used for for coiled tubing
It passes through；
Multiple telescoping mechanisms that setting is circumferentially distributed around the aperture, the telescoping mechanism include: to be fixed at the shell
Pedestal on body mechanism；Sliding part on the pedestal is set, and the sliding part can be slided along the pedestal；Elastic component, institute
Stating elastic component can make the sliding part mobile to the axis direction；
The inside being arranged on the sliding part is equipped with the accommodating member of giant magnetoresistance magnetic field sensor；
The idler wheel close to described axis one end of the accommodating member is set.
2. disc type coiled tubing damage detection apparatus according to claim 1, which is characterized in that the casing mechanism packet
It includes: the first disk body；The second disk body being fixed above first disk body；First disk body and second disk body it
Between there is pre-determined distance, the telescoping mechanism is arranged between first disk body and second disk body.
3. disc type coiled tubing damage detection apparatus according to claim 2, which is characterized in that first disk body and institute
It states and is connected between the second disk body by connecting column, first disk body includes multiple first disk body ring blocks, second disk body
Including multiple second disk body ring blocks, the end of the first disk body ring block and the second opposite disk body ring block is provided with link block, adjacent
Two pieces of link blocks between pass through clamping screw connect.
4. disc type coiled tubing damage detection apparatus according to claim 2, which is characterized in that in first disk body
Portion offers the aperture, offers the aperture in the middle part of second disk body.
5. disc type coiled tubing damage detection apparatus according to claim 2, which is characterized in that the pedestal fixed setting
On the upper surface of first disk body, there is guide rail on the pedestal, the guide rail extends along the radial direction of the aperture,
The sliding slot to match with the guide rail is offered on the sliding part.
6. disc type coiled tubing damage detection apparatus according to claim 2, which is characterized in that one end of the elastic component
It is mutually fixedly connected with first disk body or the pedestal, the other end of the elastic component and the accommodating member or the sliding part
Mutually it is fixedly connected.
7. disc type coiled tubing damage detection apparatus according to claim 6, which is characterized in that the lower end of the accommodating member
With one along the aperture the first groove radially extended, the elastic component is located in first groove.
8. disc type coiled tubing damage detection apparatus according to claim 1, which is characterized in that the upper end of the accommodating member
One end close to the axis direction offers the second groove, and the giant magnetoresistance magnetic field sensor is encapsulated in second groove
In.
9. disc type coiled tubing damage detection apparatus according to claim 1, which is characterized in that the idler wheel passes through bolt
It is mounted on the accommodating member, the idler wheel that an accommodating member is arranged in is two, and an idler wheel is located at the accommodating member one
The top at end, another idler wheel are located at the lower section of described accommodating member one end.
10. disc type coiled tubing damage detection apparatus according to claim 1, which is characterized in that when coiled tubing passes through
When the aperture, the idler wheel is adjacent to the surface of the coiled tubing under the action of elastic component to generate sliding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811086604.7A CN109115865B (en) | 2018-09-18 | Disc type coiled tubing damage detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811086604.7A CN109115865B (en) | 2018-09-18 | Disc type coiled tubing damage detection device |
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| CN109115865A true CN109115865A (en) | 2019-01-01 |
| CN109115865B CN109115865B (en) | 2024-07-09 |
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