CN109765170A - A kind of outer detection device of hand-held Buried Pipeline - Google Patents
A kind of outer detection device of hand-held Buried Pipeline Download PDFInfo
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- CN109765170A CN109765170A CN201910036829.XA CN201910036829A CN109765170A CN 109765170 A CN109765170 A CN 109765170A CN 201910036829 A CN201910036829 A CN 201910036829A CN 109765170 A CN109765170 A CN 109765170A
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- cylindrical section
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Abstract
The present invention relates to detection device outside a kind of hand-held Buried Pipeline, which includes: shoulder rest, holding rod, host computer Kato, changeable type sensor.The upper and lower cylindrical section part of holding rod is separately installed with shoulder rest, host computer Kato, and bottom cylindrical section is connected by connector with the flexible connected head of changeable type sensor.When work, the hand-holdable device of testing staff easily carries out accurately pipe-line maintenance generaI investigation operation relatively in complicated landform.Compared with prior art, the present invention passes through the modes such as the addition light built-up coil of hollow design, the flexible connection head of anti-microseismic activity, the sensor that can be replaced at any time, level, altitude calibration instrument, hand-held detection method, not only overcome the problems, such as complicated landform detection difficult, and generaI investigation detection accuracy is improved, it greatly reduces complicated landform pipe-line maintenance and generally investigates operating cost.
Description
Technical field
The invention belongs to detection field outside no-dig technique Buried Pipeline, in particular to a kind of hand-held Buried Pipeline
Outer detection device.
Background technique
The main working process of detection buried pipeline pipe thickness is still both at home and abroad: excavate-peelling off anti-corrosion (heat preservation)
Layer-audigage measurement-cladding-backfill.Obviously, this is a kind of destructive detection method, and the representative of detection data
Property, assessment result reliability by excavation (sampling) count and its distribution influenced.Meanwhile excavating the cost of detection and right
Destroy caused by environment is often also to be difficult to receive.
Although detection method is relatively intuitive in managing, it is not only straight to the construction condition of pipeline and pipe diameter size and pipeline
Degree has strict demand, it is also necessary to which detected pipeline is previously provided with transmitting-recycling probe device and had done at pigging
Reason, nor may accomplish " do not influence pipeline and operate normally operation ".Therefore, for it is most of be completed and need to detect
Underground piping, manage in detection means difficulty or ease implement.
Currently, all there is various defects and deficiency, metallic conduits for various known no-dig technique pipe body corrosion detection techniques
Pipe thickness TEM detection method provides the method and approach of another no-dig technique pipe wall thickness testing.
Domestic Indirect testing buried pipeline device research is in the exploratory stage.GBH corrosive pipeline intelligent detecting instrument is to answer
The pipe special corrosion detection system device manufactured and designed with metallic conduit pipe thickness TEM detection method.He is a set of virtual
Instrument evaluates Buried Pipeline situation in ground detection, does not influence pipeline normal operation, does not need to excavate or shell to cover erosion resistant coating
Can be detected pipeline to be averaged pipe thickness, and Real-Time Evaluation can be carried out to buried pipeline at the scene, but it either generally investigate and also
It is to go through operation all to have the problems such as detection accuracy is insufficient, the degree of automation is insufficient, complicated landform detection difficult, therefore, always
Engineering actual stage is not entered, theory stage is remained in.
The outer detection device of the outer detection device of the hand-held Buried Pipeline no-dig technique corrosive pipeline novel as one kind,
Have a characteristic that 1) " return " type design sensor platform, what which was made using 3D printing in the form of, inner ring and
Outer ring only has side and is connected, therefore approximately forms " returning " the font design of hollow out, greatly alleviates the weight of the device, from
And embody the slim and graceful feature of hand-held；2) replaceable joint designs, and different calibers need to match different sensor combinations, thus
Embody the convenient feature of hand-held；3) stability Design, the connector that sensor platform is connected with holding rod use flexible connected, solution
People determined when walking, the problem that sensor causes signal extraction unstable due to the small skew that shake generates；4) indicated work
It can design, the altimeter and level meter of setting can carry out more accurate measurement with supplemental measurement tool；5) screening, it is whole
Structure flexible design combines the features such as slim and graceful, convenient, stable, and the generaI investigation operation of Various Complex landform may be implemented.
The problem of corrosive pipeline, is paid attention to by people deeply, and therefore, the method and device of Corrosion monitoring is also various, due to wink
Power transformation magnetic detection method has broad prospects in Indirect testing field, but the detection method does not have special detection to fill
It sets, thus detection can all have some puzzlement people every time.Such as have the following problems: 1) detection device is not slim and graceful just
Victory, due to detecting the complexity of landform, the problems such as needing carried there are equipment self-weight and move；2) replacing sensor step
It is cumbersome, it needs to take considerable time using the sensor of different parameters, complicated replacement step for the pipeline of different tube diameters；3)
Detection signal cannot stablize acquisition, due to detecting the diversity of landform, may cause detection device run-off the straight or vibration etc.
The generation of phenomenon, be unfavorable for signal stablizes acquisition；4) unknown problem of detection height and horizontality, since detection needs
Under level condition, but also to be placed a device under different height according to buried depth, cannot to height and horizontality information it is timely
And it easily obtains and may result in signal acquisition inaccuracy.
Detect outside Buried Pipeline and be of great significance, however, about corrosive pipeline transient electromagnetic detection method and
The patent of device is less, and the patent No. " 200810007495.5 " discloses a kind of pipeline wall thickness TEM detection method and GBH pipeline is rotten
Intelligent detecting instrument is lost, this method is that the technology of pipeline wall thickness is detected outside a kind of no-dig technique, for opposite inner detection technique, has inspection
Survey used time short, at low cost, easy to operate feature.But the shortcomings that detector is: (1) instrument and equipment is heavy, is not easy to put
It sets；(2) more demanding for detection landform, need to remain that sensor and detected pipeline holding are horizontal；It (3) cannot be convenient
More emat sensor because different pipeline needs replacing different sensors, these all may cause acquisition signal occur it is great
Deviation.The patent No. " 201710872279.6 " discloses a kind of transient electromagnetic defect of pipeline checking method and device, the patent are same
Above-mentioned patent has used identical detection method, but without providing the equipment for adapting to on-site test and embodying for this method,
It is partial to the working principle to theorize innovation.Therefore, on the basis of theory detects feasibility, a kind of detection of materialization is studied
Device demand actual for engineering seems more urgent.
Summary of the invention
In order to improve the existing issue of detection device outside Buried Pipeline, the purpose of the present invention: it is to provide a kind of hand
The outer detection device of formula Buried Pipeline is held, which is all made of high-quality nylon plastic cement material production, and sensor hollow design is whole
Weight is lighter, and it is convenient to carry, and adapts to Various Complex landform, and preventing can not detected artifacts generation due to a varied topography；It uses
Changeable type sensor, sensor that can be matched with quick-replaceable for the pipeline of detection different tube diameters are saved a large amount of
Time；Sensor connector position uses flexible connected, eliminates due to shaking bring detection error when mobile detection；Installation is horizontal
Instrument and altimeter make to improve precision in generaI investigation, prevent due to error and the generation for large area corrosion phenomenon of hunting leak.
In order to achieve the above object, the technical scheme of the present invention is realized as follows:
1. a kind of outer detection device of hand-held Buried Pipeline includes shoulder rest (1), holding rod (2), host computer Kato
(3), changeable type sensor (4), it is characterised in that: the shoulder rest fixed ring (5) of shoulder rest (1) is mounted on holding rod (2) top；Hand
The lower part for holding bar (2) is provided with host computer Kato (3)；Flexible connected head is used in holding rod (2) bottom and instrument mounting groove (16)
(14) it is connected；Sensor (4) is mounted on instrument mounting groove (16) side with hexagon-headed bolt (18).
The shoulder rest (1) is made of round shoulder rest fixed ring (5) and a semicircular ring (6), and shoulder rest fixed ring (5) is used
Hexagon-headed bolt (18) is connected with holding rod (2) Upper cylindrical section.
The holding rod (2) is rod-shaped in bending cylinder, by Upper cylindrical section, middle part cylindrical section, lower cylindrical section and bottom
Four part of portion's cylindrical section composition, Upper cylindrical section and lower cylindrical section are respectively provided with a bolt hole (7), and middle part cylindrical section is equipped with anti-
Sliding sleeve (8), bottom cylindrical section are equipped with a connecting hole (9).
The host computer Kato (3) is made of Kato fixed ring (10) and pallet (11), and Kato fixed ring (10) uses hexagonal
Hook bolt (18) is connected with holding rod (2) lower cylindrical section.
The changeable type sensor (4) is by flexible connected head (14), instrument mounting groove (16), built-up coil (19) three
It is grouped as.
The flexible connected head (14) is cylindrical, and one end passes through connector (12) and holding rod (2) bottom cylindrical section phase
Even, the other end and instrument mounting groove (16) adhesion.
In a rectangular parallelepiped shape, both ends are respectively arranged a spring block (13) to the connector (12), one end with connecting hole (9) with
Holding rod (2) bottom cylindrical section is connected, and the other end is connected with connecting hole (9) with flexibly jointed chain head (14).
The instrument mounting groove (16) is in cuboid groove-like, and one end connect with flexible connected head (14), and the other end is with six
Hex bolt (18) is connected with built-up coil (19)；It is long that the side that instrument mounting groove (16) is connected with built-up coil (19) is equipped with one
The threading hole (17) of cube shape.
The built-up coil (19) is made of transmitting coil (20) and receiving coil (21) two parts, transmitting coil (20) with
Receiving coil (21) is cube-shaped in hollow out, is fixed by four cuboid adhesions, and threading hole (17) penetrates through receiving coil
(21), transmitting coil (20) is communicated with instrument mounting groove (16).
Detailed description of the invention
Fig. 1 is schematic three dimensional views of the present invention
Fig. 2 is shoulder rest schematic three dimensional views
Fig. 3 is holding rod schematic three dimensional views
Fig. 4 is host computer Kato schematic three dimensional views
Fig. 5 is connector schematic three dimensional views
Fig. 6 is changeable type sensor schematic three dimensional views
In figure, 1. shoulder rests, 2. holding rods, 3. host computer Katos, 4. changeable type sensors, 5. shoulder rest fixed rings, 6. half
Annulus, 7. bolts hole, 8. Anti-slip covers, 9. connecting holes, 10. Kato fixed rings, 11. pallets, 12. connectors, 13. spring blocks, 14.
Flexible connected head, 15. switches, 16. instrument mounting grooves, 17. threading holes, 18. hexagon-headed bolts, 19. built-up coils, 20. transmittings
Coil, 21. receiving coils
Specific embodiment
In conjunction with attached drawing, the invention will be described in further detail
Referring to Fig.1, a kind of outer detection device of hand-held Buried Pipeline includes shoulder rest 1, holding rod 2, host computer Kato
3, changeable type sensor 4, it is characterized in that: the fixed ring of shoulder rest 1 is mounted on 2 top of holding rod；The lower part of holding rod 2 is provided with
Host computer Kato 3；2 bottom of holding rod is connected with the flexibly jointed chain switch 14 of instrument mounting groove 16；Changeable type sensor 4 uses spiral shell
Bolt 18 is mounted on 16 side of instrument mounting groove.
The working principle of the device are as follows: the changeable type sensor 4 to match with detected caliber is first installed, by logical
String holes 17 is connected with the transmitting on the host computer and inspector back that are placed on pallet 11, reception device, buried when starting to detect
When pipeline, the inspector right hand holds Anti-slip cover 8, and right shoulder relies on shoulder rest 1, opens transmitting, reception device, and transmitting coil 20 is in steady
Determine to sudden shut off electric current when state, according to electromagnetic induction principle, the electric current in transmitting coil 20 will be in its week in mutation process
It encloses and produces magnetic field, which is Primary field, by sending an arteries and veins to underground using earth-free loop line or ground connection line source
Electric current is rushed to generate Primary field；Primary field, will when in communication process, encountering pipeline of the underground with good electric conductivity around
Induced current has been motivated in pipeline tube body, that is, has been vortexed, also known as secondary current；Secondary current can because good conductor ohmic loss with
Time decays, and will generate a new magnetic field contrary with Primary field in pipeline in attenuation process to maintain
Initial magnetic field stable state, referred to as secondary magnetic field, the speed of secondary field decaying and electrical parameter, the bulk & form, structure of detection tube body
Etc. related, detection target volume information abundant is contained；The secondary magnetic field upwardly propagated is received using receiving coil 21 in earth's surface,
The corresponding information that the available buried pipeline of secondary magnetic field data is acquired by the host computer being placed on pallet 11, to complicated landform
It is generally investigated and is recorded corresponding detection information and stored, and then rudenss quantization point can be carried out to complicated landform pipe body corrosion situation
Analysis and evaluation.
Referring to Fig. 2, the shoulder rest 1 is made of round shoulder rest fixed ring 5 and a semicircular ring 6, and shoulder rest fixed ring 5 is used
Hexagon-headed bolt 18 is connected with holding rod Upper cylindrical section；Semicircular ring 6 relies on to reach province for inspector shoulder when detection
The effect of power and stably measured.
Referring to Fig. 3, the holding rod 2 is rod-shaped in bending cylinder, by Upper cylindrical section, middle part cylindrical section, lower cylindrical
Section and four part of bottom cylindrical section composition, Upper cylindrical section and lower cylindrical section are respectively provided with a bolt hole 7, are respectively intended to fixed shoulder
By 1 and host computer Kato 3, middle part cylindrical section is equipped with Anti-slip cover 8, and bottom cylindrical section is equipped with a connecting hole 9, passes through connector 12
It is connected with flexible connected head 14；
Referring to Fig. 4, the host computer Kato 3 is made of round Kato fixed ring 10 and rectangle pallet 11, and Kato is solid
Determine ring 10 to be connected by hexagon-headed bolt 18 with holding rod lower cylindrical section, host computer is placed on rectangle pallet 11；
Referring to Fig. 5, the connector 12 is in cuboid, and a wedge-shaped spring block 13 is respectively arranged in both ends, and one end passes through company
It connects hole 9 to be connected with 2 bottom cylindrical section of holding rod, the other end equally passes through connecting hole 9 and is connected with flexibly jointed chain head 14；
Referring to Fig. 6, the changeable type sensor 4 is by flexible connected head 14, instrument mounting groove 16, built-up coil 19 3
It is grouped as；The flexible connected head 14 is cylindrical, detection error caused by small vibration when can reduce because of walking detection, and one
End is connected by connector 12 with 2 bottom cylindrical section of holding rod, and the other end and instrument mounting groove 16 are whole in one,；The instrument
Mounting groove 16 is in cuboid groove-like, mountable altimeter and level meter, and one end and 14 adhesion of flexible connected head, the other end pass through
Hexagon-headed bolt 18 is connected with built-up coil 19, and the side being connected with built-up coil 19 is equipped with the threading hole of a rectangular-shape
17；The built-up coil 19 is made of transmitting coil 20 and 21 two parts of receiving coil, and transmitting coil 20 and receiving coil 21 are equal
It is cube-shaped in hollow out, adhesion is fixed with four cuboids, threading hole 17, which penetrates through receiving coil 21, transmitting coil 20 and instrument, pacifies
Tankage 16 communicates.
Claims (5)
1. a kind of outer detection device of hand-held Buried Pipeline include shoulder rest (1), holding rod (2), host computer Kato (3), can
Replaceable sensor (4), it is characterised in that: the shoulder rest fixed ring (5) of shoulder rest (1) is mounted on holding rod (2) top；Holding rod
(2) lower part is provided with host computer Kato (3)；Flexible connected head (14) phase is used with instrument mounting groove (16) in holding rod (2) bottom
Even；Sensor (4) is mounted on instrument mounting groove (16) side with hexagon-headed bolt (18).
2. the outer detection device of hand-held Buried Pipeline according to claim 1, the shoulder rest (1) is by round shoulder rest
Fixed ring (5) and semicircular ring (6) composition, shoulder rest fixed ring (5) hexagon-headed bolt (18) and holding rod (2) top circle
Shell of column is connected.
3. the outer detection device of hand-held Buried Pipeline according to claim 1, the holding rod (2) is in bending cylinder
It is rod-shaped, be made of Upper cylindrical section, middle part cylindrical section, lower cylindrical section and four part of bottom cylindrical section, Upper cylindrical section with
Lower cylindrical section is respectively provided with a bolt hole (7), and middle part cylindrical section is equipped with Anti-slip cover (8), and bottom cylindrical section is equipped with a connecting hole
(9)。
4. the outer detection device of hand-held Buried Pipeline according to claim 1, the host computer Kato (3) is by Kato
Fixed ring (10) and pallet (11) composition, Kato fixed ring (10) hexagon-headed bolt (18) and holding rod (2) lower cylindrical section
It is connected.
5. the outer detection device of hand-held Buried Pipeline according to claim 1, the changeable type sensor (4) by
Flexible connected head (14), instrument mounting groove (16), built-up coil (19) three parts composition；
The flexible connected head (14) is cylindrical, and one end is connected by connector (12) with holding rod (2) bottom cylindrical section, separately
One end and instrument mounting groove (16) adhesion；
In a rectangular parallelepiped shape, a spring block (13) is respectively arranged in both ends to the connector (12), and one end is with connecting hole (9) and holds
Bar (2) bottom cylindrical section is connected, and the other end is connected with connecting hole (9) with flexibly jointed chain head (14)；
The instrument mounting groove (16) is in cuboid groove-like, and one end is connect with flexible connected head (14), other end turret head
Bolt (18) is connected with built-up coil (19)；The side that instrument mounting groove (16) is connected with built-up coil (19) is equipped with a cuboid
The threading hole (17) of shape；
The built-up coil (19) is made of transmitting coil (20) and receiving coil (21) two parts, transmitting coil (20) and reception
Coil (21) is cube-shaped in hollow out, is fixed by four cuboid adhesions, and threading hole (17) penetrates through receiving coil (21), hair
Ray circle (20) is communicated with instrument mounting groove (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910036829.XA CN109765170B (en) | 2019-01-15 | 2019-01-15 | Hand-held type buried pipeline corrodes outer detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910036829.XA CN109765170B (en) | 2019-01-15 | 2019-01-15 | Hand-held type buried pipeline corrodes outer detection device |
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| Publication Number | Publication Date |
|---|---|
| CN109765170A true CN109765170A (en) | 2019-05-17 |
| CN109765170B CN109765170B (en) | 2021-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910036829.XA Expired - Fee Related CN109765170B (en) | 2019-01-15 | 2019-01-15 | Hand-held type buried pipeline corrodes outer detection device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084692A (en) * | 2017-06-30 | 2017-08-22 | 沈阳工业大学 | Electromagnetic acoustic shear wave thickness measuring transducer |
| CN107402254A (en) * | 2017-09-25 | 2017-11-28 | 天津特米斯科技有限公司 | A kind of transient electromagnetic defect of pipeline checking method and device |
| CN206809291U (en) * | 2017-01-16 | 2017-12-29 | 华北理工大学 | For thyroid ultrasonic detecting probe equipment |
| CN108225228A (en) * | 2018-04-13 | 2018-06-29 | 沈阳工业大学 | Detection electromagnetic ultrasonic thickness measuring transducer architecture in circular pipe |
-
2019
- 2019-01-15 CN CN201910036829.XA patent/CN109765170B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206809291U (en) * | 2017-01-16 | 2017-12-29 | 华北理工大学 | For thyroid ultrasonic detecting probe equipment |
| CN107084692A (en) * | 2017-06-30 | 2017-08-22 | 沈阳工业大学 | Electromagnetic acoustic shear wave thickness measuring transducer |
| CN107402254A (en) * | 2017-09-25 | 2017-11-28 | 天津特米斯科技有限公司 | A kind of transient electromagnetic defect of pipeline checking method and device |
| CN108225228A (en) * | 2018-04-13 | 2018-06-29 | 沈阳工业大学 | Detection electromagnetic ultrasonic thickness measuring transducer architecture in circular pipe |
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| CN109765170B (en) | 2021-08-20 |
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