CN209727847U - Comprehensive flux leakage detector - Google Patents
Comprehensive flux leakage detector Download PDFInfo
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- CN209727847U CN209727847U CN201920508842.6U CN201920508842U CN209727847U CN 209727847 U CN209727847 U CN 209727847U CN 201920508842 U CN201920508842 U CN 201920508842U CN 209727847 U CN209727847 U CN 209727847U
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Abstract
The utility model discloses a kind of comprehensive flux leakage detectors, including flux leakage detector ontology, the flux leakage detector ontology includes the first detection section, the second detection section, universal joint, steel brush, probe and driving leather cup, the first detection section and the second detection section are fixedly connected by bolt with universal joint, and the guide post is fixedly connected on the inside of endocyclic tube and outer ring cylinder by spring.The device passes through compressed spring, guide groove, guide post, spring and rubber tube, improve stability when idler wheel operation, buffer protection is made good use of, effectively extend the service life of idler wheel, wheel assembly easy to support carries out elastic telescopic, guarantee patency and stability that flux leakage detector ontology is run in pipeline, so that being conducive to flux leakage detector ontology carries out comprehensive detection to pipeline；By the mating reaction of support, limited post and compressed spring, the support compressed degree of wheel assembly is avoided to advantageously ensure that the precision of detection and effectively raises working efficiency.
Description
Technical field
The utility model belongs to pipeline inspection technology field, and in particular to a kind of comprehensive flux leakage detector.
Background technique
Magnetic Flux Leakage Inspecting technology can detect the metal loss defects such as the burn into mechanical damage of inner and outer walls of pipeline, to detected
Pipe cleanness requirement is low, can be used for oil transportation and gas pipeline.By flux leakage detector on-line checking, defect can be carried out
Identification, positioning and quantitative statistics, the important means tool for referring to conduit road rational maintenance, carrying out pipeline integrity management work.
Existing flux leakage detector detection efficiency is low, of poor quality, and idler wheel is asked by what is easily blocked when pipeline reducing diameter position
Topic, causes flux leakage detector to be not easy to carry out pipeline comprehensive detection.
For this purpose, the utility model of Publication No. CN208239355U discloses a kind of comprehensive flux leakage detector, including
One detection section, the second detection section and the universal joint for connecting the first detection section, the second detection section, the first detection section end
It is connected with the second detection section front end by universal joint and bolt installation, several probes are circumferentially arranged in central cylinder appearance
Face forms detection ring, and several support turbine structures are circumferentially set to the first side described in central supported cylinder outer surface at equal intervals
Plate, the second side plate are equipped with the support wheel far from one end of pedestal, and the distribution arrangement of the measuring head is perpendicular to the first magnet steel
Band distribution arrangement, is respectively arranged with front support bowl and rear support bowl in ring flange and rear stub before this, each yoke
End face is separately installed with several idler wheels, and the universal joint is successively socketed to form by three beckets, cladding on the outside of the becket
Flexible gum cover.Above-mentioned utility model is realized to the circumferential comprehensive detection with axial flaw of pipeline.
But there are still the following shortcomings: support wheel carries out elastic telescopic when encountering pipeline reducing diameter position by compression spring component,
Since effective position limiting structure not being arranged on compression spring component, so that support wheel in telescopic process easily excessively, lead by compression
The bearing height of idler wheel is caused to be lower than the height of steel brush, steel brush easily occurs and the abrasion of tube wall, and to it in idler wheel operational process
Buffer protection effect is poor, and service life is short, leads to its fluctuation of service, to influence comprehensive detection efficiency.
Utility model content
The purpose of this utility model is to provide a kind of comprehensive flux leakage detectors, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of comprehensive flux leakage detector, including leakage
Magnetic detector ontology, the flux leakage detector ontology include the first detection section, the second detection section, universal joint, steel brush, probe and drive
Dynamic leather cup, the first detection section and the second detection section are fixedly connected by bolt with universal joint, and described first detects and save and the
Probe is fixedly connected on the barrel of two detection sections, the cylinder of section and the second detection section is detected in the probe two sides corresponding first
Magnet steel ring is fixedly connected on wall, the surface of the magnet steel ring is equipped with steel brush, and the both ends of the first detection section are fixed
It is connected with driving leather cup, the both ends of the second detection section are fixedly connected to support bowl, the driving leather cup and support bowl
Fixed cylinder is fixedly connected on end, circular array is provided with support wheel assembly, the support wheel group in the fixed cylinder
Part includes fixing seat, and the fixing seat is bolted to connection on the outer wall of fixed cylinder, by turning between the fixing seat
Axis is hinged with supporting plate, and the supporting plate is fixedly connected in fixed cylinder by compressed spring, and the compressed spring is set in limited post
On, fixing axle is connected with by bearing between the tip inside of the supporting plate, idler wheel, idler wheel are fixedly connected in the fixing axle
Including endocyclic tube and outer ring cylinder, the endocyclic tube is fixedly connected in fixing axle, is slided and is inserted between the endocyclic tube and outer ring cylinder
It is connected to guide post, the guide post is fixedly connected on the inside of endocyclic tube and outer ring cylinder by spring.
This setting, convenient for carrying out comprehensive detection to pipeline, is led to by the distribution setting of probe, magnet steel ring and steel brush
Overcompression spring, guide groove, guide post, spring and rubber tube fit closely so that idler wheel is remained with inner wall of the pipe, significantly
Stability when improving idler wheel operation, buffer protection makes good use of, and effectively extends the service life of idler wheel, and meeting
When to pipeline deformation, wheel assembly easy to support carries out elastic telescopic, and it is unobstructed to guarantee that flux leakage detector ontology is run in pipeline
Property and stability, so that being conducive to flux leakage detector ontology carries out comprehensive detection to pipeline；Pass through support, limited post and pressure
The mating reaction of contracting spring avoids the support compressed degree of wheel assembly, steel brush is caused to contact the phenomenon that wearing with tube wall, protects
Shield steel brush is not worn in flux leakage detector ontology operational process, thus advantageously ensure that the precision of detection, it is effective to improve
Working efficiency.
Preferably, pressing plate has been bolted to connection between the supporting plate, in the middle part of the pressing plate in corresponding fixed cylinder
It is welded with support, limited post is fixedly connected on the support, one end of the compressed spring is fixedly connected with the pressing plate, institute
The other end for stating compressed spring is fixedly connected with support, and the compressed spring is slidably connected with limited post.
This setting by compressed spring be support wheel assembly resilient support is provided, can both make idler wheel remain and
The close contact of inner wall of the pipe, and compressible space can be provided for support wheel assembly when encountering pipeline deformation, guarantee leakage
The patency and stability that magnetic detector ontology is run in pipeline；Simultaneously by the position-limiting action of limited post, support is avoided
Wheel assembly compression excessively, and causes steel brush to contact the phenomenon that wearing with tube wall, and protective action is good.
Preferably, the inside of the endocyclic tube and outer ring cylinder is equipped with guide groove, the both ends phase of the guide groove and guide post
Matching connection, the spring are fixedly connected on guide groove.
This setting when idler wheel inner wall of the pipe run when, by spring to guide post elasticity squeeze so that idler wheel run
When good buffer effect so that the stable height of idler wheel, convenient for extending the service life of idler wheel, consequently facilitating flux leakage detector ontology
Comprehensive detection is carried out to pipeline.
Preferably, integration is fixedly connected with rubber pad on the outer wall of the outer ring cylinder.
This setting carries out spring protective to outer ring cylinder, further increases the protective action to idler wheel.
Preferably, sliding sleeve is connected to rubber tube on the guide post, the both ends of the rubber tube be fixedly connected on endocyclic tube and
On outer ring cylinder.
The stability for improving endocyclic tube and outer ring cylinder connection structure is arranged in this, and has guiding role to guide post, makes
Stability is high when obtaining idler wheel operation, and substantially increases when idler wheel operation simultaneously to spring and the elastic extruding of rubber tube progress
To the protective action of idler wheel, using effect is good.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is enlarged structure schematic diagram at A in Fig. 1 of the utility model；
Fig. 3 is the supporting plate side structure schematic view of the utility model；
Fig. 4 is the roller structure schematic diagram of the utility model.
In figure: 1, flux leakage detector ontology；101, the first detection section；102, the second detection section；103, universal joint；104, magnetic
Steel loop；105, steel brush；106, it pops one's head in；107, leather cup is driven；108, bowl is supported；2, fixed cylinder；3, wheel assembly is supported；31, fixed
Seat；32, shaft；33, supporting plate；34, fixing axle；35, idler wheel；351, endocyclic tube；352, outer ring cylinder；353, rubber pad；354, it leads
Column；355, rubber tube；356, guide groove；357, spring；36, support；37, limited post；38, compressed spring；39, pressing plate.
Specific embodiment
Below in conjunction with the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear, complete
Site preparation description, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, fall within the protection scope of the utility model.
As shown in Figs 1-4, a kind of comprehensive flux leakage detector, including flux leakage detector ontology 1, the flux leakage detector sheet
Body 1 includes first the 101, second detection of detection section section 102, universal joint 103, steel brush 105, probe 106 and driving leather cup 107, institute
It states the first detection section 101 and the second detection section 102 is fixedly connected by bolt with universal joint 103, the first detection 101 Hes of section
Probe 106, corresponding first detection, 101 Hes of section in 106 two sides of the probe are fixedly connected on the barrel of second detection section 102
Magnet steel ring 104 is fixedly connected on the barrel of second detection section 102, the surface of the magnet steel ring 104 is equipped with steel brush 105,
The both ends of the first detection section 101 are fixedly connected to driving leather cup 107, and the both ends of the second detection section 102 are fixed
It is connected with support bowl 108, is fixedly connected to fixed cylinder 2 on the driving leather cup 107 and the end for supporting bowl 108, it is described solid
Circular array is provided with support wheel assembly 3 on safety barrel 2, and the support wheel assembly 3 includes fixing seat 31, and the fixing seat 31 is logical
It crosses bolt to be fixedly connected on the outer wall of fixed cylinder 2, supporting plate 33, the branch is hinged with by shaft 32 between the fixing seat 31
Plate 33 is fixedly connected in fixed cylinder 2 by compressed spring 38, and the compressed spring 38 is set on limited post 37, the supporting plate
Fixing axle 34 is connected with by bearing between 33 tip inside, idler wheel 35, idler wheel 35 are fixedly connected in the fixing axle 34
Including endocyclic tube 351 and outer ring cylinder 352, the endocyclic tube 351 is fixedly connected in fixing axle 34, the endocyclic tube 351 and outer
Sliding plug has guide post 354 between ring cylinder 352, and the guide post 354 is fixedly connected on endocyclic tube 351 and outer ring by spring 357
The inside of cylinder 352.
Pressing plate 39 is bolted to connection between the supporting plate 33, in the middle part of the pressing plate 39 in corresponding fixed cylinder 2
It is welded with support 36, limited post 37, one end of the compressed spring 38 and pressing plate 39 are fixedly connected on the support 36
It is fixedly connected, the other end of the compressed spring 38 is fixedly connected with support 36, and the compressed spring 38 and limited post 37 are sliding
Dynamic connection；It is that support wheel assembly 3 provides resilient support by compressed spring 38, idler wheel 35 can have both been made to remain and pipeline
The close contact of inner wall is avoided support wheel assembly 3 and is compressed excessively by the position-limiting action of limited post 37, and leads to steel brush 105
The phenomenon that wearing is contacted with tube wall, protective action is good.
The inside of the endocyclic tube 351 and outer ring cylinder 352 is equipped with guide groove 356, the guide groove 356 and guide post 354
Both ends match connection, the spring 357 is fixedly connected on guide groove 356；When idler wheel 35 inner wall of the pipe run when, lead to
Spring 357 is crossed to squeeze the elasticity of guide post 354, so that good buffer effect when idler wheel 35 is run, so that the stable height of idler wheel 35,
Convenient for extending the service life of idler wheel 35, consequently facilitating flux leakage detector ontology 1 carries out comprehensive detection to pipeline.
Integration is fixedly connected with rubber pad 353 on the outer wall of the outer ring cylinder 352；It is anti-that elasticity is carried out to outer ring cylinder 352
Shield, further increases the protective action to idler wheel 35.
Sliding sleeve is connected to rubber tube 355 on the guide post 354, and the both ends of the rubber tube 355 are fixedly connected on endocyclic tube
351 and outer ring cylinder 352 on；The stability of 352 connection structure of endocyclic tube 351 and outer ring cylinder is improved, and has to guide post 354 and leads
To effect, so that stability is high when idler wheel 35 is run, and spring 357 and rubber tube 355 are carried out simultaneously when the operation of idler wheel 35
Elasticity squeezes, and substantially increases the protective action to idler wheel 35, using effect is good.
Specifically, in use, by the distribution setting of probe 106, magnet steel ring 104 and steel brush 105 convenient for pipeline progress
Comprehensive detection, by compressed spring 38, guide groove 356, guide post 354, spring 357 and rubber tube 355, so that idler wheel 35 begins
Whole holding is fitted closely with inner wall of the pipe, greatly improves stability when idler wheel operation, and buffer protection is made good use of, effectively
The service life for extending idler wheel, and when encountering pipeline deformation, wheel assembly 3 easy to support carries out elastic telescopic, guarantees
The patency and stability that flux leakage detector ontology 1 is run in pipeline, thus be conducive to flux leakage detector ontology 1 to pipeline into
The comprehensive detection of row；By the mating reaction of support 36, limited post 37 and compressed spring 38, avoids support wheel assembly 3 and press
Contracting excessively, causes steel brush 105 to contact the phenomenon that wearing with tube wall, and protection steel brush 105 was run in flux leakage detector ontology 1
It is not worn in journey, to advantageously ensure that the precision of detection, effectively raises working efficiency.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of comprehensive flux leakage detector, including flux leakage detector ontology (1), it is characterised in that: the flux leakage detector sheet
Body (1) includes the first detection section (101), the second detection section (102), universal joint (103), steel brush (105), probe (106) and drives
Dynamic leather cup (107), the first detection section (101) and the second detection section (102) connect by the way that bolt and universal joint (103) are fixed
It connects, is fixedly connected to probe (106), the probe on the barrel of the first detection section (101) and the second detection section (102)
(106) magnet steel ring is fixedly connected on the barrel of the corresponding first detection section (101) in two sides and the second detection section (102)
(104), the surface of the magnet steel ring (104) is equipped with steel brush (105), and the both ends of the first detection section (101) are fixed to be connected
It is connected to driving leather cup (107), the both ends of the second detection section (102) are fixedly connected to support bowl (108), the driving skin
It is fixedly connected to fixed cylinder (2) on the end of bowl (107) and support bowl (108), circular array is set on the fixed cylinder (2)
It is equipped with support wheel assembly (3), the support wheel assembly (3) includes fixing seat (31), and the fixing seat (31) is bolted
It is connected on the outer wall of fixed cylinder (2), is hinged with supporting plate (33), the supporting plate by shaft (32) between the fixing seat (31)
(33) it being fixedly connected on fixed cylinder (2) by compressed spring (38), the compressed spring (38) is set on limited post (37),
It is connected with fixing axle (34) between the tip inside of the supporting plate (33) by bearing, is fixedly connected on the fixing axle (34)
Idler wheel (35), idler wheel (35) include endocyclic tube (351) and outer ring cylinder (352), and the endocyclic tube (351) is fixedly connected on fixing axle
(34) on, there is guide post (354) sliding plug between the endocyclic tube (351) and outer ring cylinder (352), and the guide post (354) passes through
Spring (357) is fixedly connected on the inside of endocyclic tube (351) and outer ring cylinder (352).
2. a kind of comprehensive flux leakage detector according to claim 1, it is characterised in that: pass through between the supporting plate (33)
Bolt is fixedly connected with pressing plate (39), is welded with support (36), institute on corresponding fixed cylinder (2) in the middle part of the pressing plate (39)
It states and is fixedly connected on support (36) limited post (37), one end of the compressed spring (38) is fixedly connected with pressing plate (39), institute
The other end for stating compressed spring (38) is fixedly connected with support (36), and the compressed spring (38) and limited post (37) sliding connect
It connects.
3. a kind of comprehensive flux leakage detector according to claim 1, it is characterised in that: the endocyclic tube (351) and outer
The inside of ring cylinder (352) is equipped with guide groove (356), and the guide groove (356) matches with the both ends of guide post (354) to be connect,
The spring (357) is fixedly connected on guide groove (356).
4. a kind of comprehensive flux leakage detector according to claim 1, it is characterised in that: outside the outer ring cylinder (352)
Integration is fixedly connected with rubber pad (353) on wall.
5. a kind of comprehensive flux leakage detector according to claim 1, it is characterised in that: slided on the guide post (354)
It is socketed with rubber tube (355), the both ends of the rubber tube (355) are fixedly connected on endocyclic tube (351) and outer ring cylinder (352).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920508842.6U CN209727847U (en) | 2019-04-16 | 2019-04-16 | Comprehensive flux leakage detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920508842.6U CN209727847U (en) | 2019-04-16 | 2019-04-16 | Comprehensive flux leakage detector |
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| Publication Number | Publication Date |
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| CN209727847U true CN209727847U (en) | 2019-12-03 |
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| CN201920508842.6U Active CN209727847U (en) | 2019-04-16 | 2019-04-16 | Comprehensive flux leakage detector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178359A (en) * | 2020-09-24 | 2021-01-05 | 中石油西北联合管道有限责任公司 | Gas transmission pipeline ball receiving and dispatching vehicle |
| CN114235794A (en) * | 2021-12-16 | 2022-03-25 | 庄丽琼 | Food safety detection analyzer |
| CN116608361A (en) * | 2023-07-20 | 2023-08-18 | 沈阳仪表科学研究院有限公司 | Pipeline detection assembly, pipeline detection unit and pipeline magnetic flux leakage detector |
-
2019
- 2019-04-16 CN CN201920508842.6U patent/CN209727847U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178359A (en) * | 2020-09-24 | 2021-01-05 | 中石油西北联合管道有限责任公司 | Gas transmission pipeline ball receiving and dispatching vehicle |
| CN114235794A (en) * | 2021-12-16 | 2022-03-25 | 庄丽琼 | Food safety detection analyzer |
| CN114235794B (en) * | 2021-12-16 | 2023-11-03 | 广东因博检测技术服务有限公司 | Food safety detection analyzer |
| CN116608361A (en) * | 2023-07-20 | 2023-08-18 | 沈阳仪表科学研究院有限公司 | Pipeline detection assembly, pipeline detection unit and pipeline magnetic flux leakage detector |
| CN116608361B (en) * | 2023-07-20 | 2023-09-19 | 沈阳仪表科学研究院有限公司 | Pipeline detection assembly, pipeline detection unit and pipeline magnetic flux leakage detector |
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