CN208239349U - Axial flux leakage detector - Google Patents
Axial flux leakage detector Download PDFInfo
- Publication number
- CN208239349U CN208239349U CN201820656278.8U CN201820656278U CN208239349U CN 208239349 U CN208239349 U CN 208239349U CN 201820656278 U CN201820656278 U CN 201820656278U CN 208239349 U CN208239349 U CN 208239349U
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- support cylinder
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Abstract
The utility model discloses a kind of axial flux leakage detector, sleeve is detected including magnetization, preceding driving bowl, leather cup afterwards, front support cylinder and rear support cylinder, the front support cylinder, preceding driving bowl, magnetization detection sleeve, leather cup afterwards, rear support cylinder is fixedly connected sequentially, the magnetization detection sleeve further comprises central cylinder, several magnet steel, steel brush and several probes, this the first magnet steel ring and the second magnet steel ring are located at detection ring two sides, the steel brush is uniformly clouded in magnet steel upper surface, the front support cylinder, preceding driving bowl, magnetization detection sleeve, leather cup afterwards, the central cylinder of rear support cylinder is internally provided with machine core, battery compartment, hydraulic cylinder and hydraulic valve, the hydraulic valve is installed in the central cylinder of front support cylinder by support ring, this hydraulic valve rear end is connect with hydraulic cylinder, the battery compartment is installed on hydraulic cylinder rear by mounting ring, institute It states machine core and battery compartment installation connects.The utility model can control the speed of service of the detector in pipeline.
Description
Technical field
The utility model relates to be related to a kind of axial flux leakage detector, belong to pipeline defect detection technical field.
Background technique
Pipeline is due to having many merits such as continuous, quick, conveying capacity is big, facilitates as oil-gas field development, production and oil
Defeated main production facility outside gas, pipeline transportation have become petroleum, petrochemical industry, the important way of natural gas long-distance transportation.
While pipeline transportation is used widely in China with the outstanding advantage that it is not replaced, pipeline fortune
The attention that defeated safety issue is also increasingly subject to.On the one hand, pipeline aging is serious, since pipeline is because of corrosion, wear, accident
All kinds of pipeline accidents caused by the reasons such as damage happen occasionally, and security issues become increasingly urgent；On the other hand, pipe newly-built in recent years
Road is nearly all high pressure, long range, bigbore oil and gas pipeline, and construction geology condition is all more severe, and meets with often
The threat and destruction for meeting the natural calamities such as flood, landslide, earthquake, mud-rock flow, are influenced seriously by the burn into weight of inside and outside medium,
Pipeline inevitably different degrees of damage, such as canal depression, ovalizing deflection, bending and sinking, seriously
Side may cause pipeline breaking, this is likely to lead to oil and gas leakage, influences pipeline normal safe operation.
The basic principle of Pipeline Magnetic Flux Leakage Inspection is: when ferromagnetic steel pipe sufficiently magnetizes, the magnetic line of force in tube wall is by its surface
Or the defect barrier near surface, the magnetic line of force of fault location are distorted, a part of magnetic line of force leaks out the inside and outside table of steel pipe
Face forms magnetic flux leakage.Magnetic flux leakage is picked up with the magnet-sensitive element that steel pipe does relative motion, converts thereof into defect electric signal, this
A little signals are handled through filtering, amplification, analog-to-digital conversion etc., to determine defect.
In the prior art, it is urgently to be resolved to always exist the problems such as speed of service of the detector in pipeline is uncontrollable.
Utility model content
The purpose of the utility model is to provide a kind of axial flux leakage detector, which can control detection
The speed of service of the device in pipeline.
In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of axial direction flux leakage detector, including magnetization
Detect sleeve, preceding driving bowl, rear leather cup, front support cylinder and rear support cylinder, the front support cylinder, preceding driving bowl, magnetization detection set
Cylinder, rear leather cup, rear support cylinder are fixedly connected sequentially；
The magnetization detection sleeve further comprises central cylinder, several magnet steel, steel brush and several probes, several spies
Circumferentially arranged to form detection ring in central cylinder outer surface, several magnet steel are circumferentially arranged in outside central cylinder respectively
Surface forms the first magnet steel ring and the second magnet steel ring, this first magnet steel ring and the second magnet steel ring are located at detection ring two sides, institute
It states steel brush and is uniformly clouded in magnet steel upper surface；
The central cylinder inside setting of the front support cylinder, preceding driving bowl, magnetization detection sleeve, rear leather cup, rear support cylinder
There are machine core, battery compartment, hydraulic cylinder and hydraulic valve, the hydraulic valve is installed in the central cylinder of front support cylinder by support ring,
This hydraulic valve rear end is connect with hydraulic cylinder, and the battery compartment is installed on hydraulic cylinder rear, the machine core and battery by mounting ring
Storehouse installation connection.
Further improved scheme is as follows in above-mentioned technical proposal:
1. in above scheme, the front support cylinder, preceding driving bowl, magnetization detection sleeve, rear leather cup, rear support cylinder are any
Low frequency transmitter is provided in central cylinder.
2. in above scheme, described movement embedded have inertial navigation and accelerograph.
3. in above scheme, the first magnet steel ring and the second magnet steel ring are symmetrically disposed on detection ring two sides.
4. in above scheme, the magnet steel is permanent magnet.
5. in above scheme, the bristle diameter of the steel brush is 0.2mm.
6. in above scheme, the front support cylinder, preceding driving bowl, magnetization detection sleeve, rear leather cup and rear support cylinder are respectively
Central cylinder between pass through mounting flange connection or be welded to connect.
7. in above scheme, the preceding driving bowl and rear leather cup are provided with bowl-shaped part, ring part and interconnecting piece, described
Ring part is set to bowl-shaped part opposite to each other in the side of the rim of a bowl, and the bowl-shaped part is connected with ring part by interconnecting piece.
8. in above scheme, the preceding driving bowl and rear leather cup are polyurethane bowl.
9. in above scheme, driving bowl circumferentially to connect with inner wall of the pipe interference before described.
Due to the application of the above technical scheme, the utility model has the advantage that compared with prior art
The utility model axial direction flux leakage detector, front support cylinder, preceding driving bowl, magnetization detection sleeve, rear leather cup, rear branch
The central cylinder of support cylinder is internally provided with machine core, battery compartment, hydraulic cylinder and hydraulic valve, and the hydraulic valve is installed on by support ring
In the central cylinder of front support cylinder, this hydraulic valve rear end is connect with hydraulic cylinder, and the battery compartment is installed on hydraulic by mounting ring
Cylinder rear, the machine core and battery compartment installation connect, and the setting of hydraulic valve and hydraulic cylinder can make hydraulic valve in hydraulic cylinder
Stretching motion is done under driving, with control by the intracorporal liquid of central tube or gas, the pressure of hydraulic valve two sides is controlled with this
Difference achievees the effect that control detector mass motion speed.
Detailed description of the invention
Attached drawing 1 is the utility model axial direction flux leakage detector structural schematic diagram；
Attached drawing 2 is the utility model axial direction flux leakage detector partial structural diagram.
In the figures above: 1, magnetization detection sleeve；101, central cylinder；102, magnet steel；103, steel brush；104, it pops one's head in；
105, ring is detected；106, the first magnet steel ring；107, the second magnet steel ring；111, machine core；112, battery compartment；113, hydraulic cylinder；114,
Hydraulic valve；2, preceding driving bowl；3, rear leather cup；4, front support cylinder；5, rear support cylinder.
Specific embodiment
Embodiment 1: a kind of axial direction flux leakage detector, including magnetization detection sleeve 1, preceding driving bowl 2, rear leather cup 3, front support
Cylinder 4 and rear support cylinder 5, the front support cylinder 4, preceding driving bowl 2, magnetization detection sleeve 1, rear leather cup 3, rear support cylinder 5 are successively solid
Fixed connection；
The magnetization detection sleeve 1 further comprises central cylinder 101, several magnet steel 102, steel brush 103 and several probes
104, several probes 104 are circumferentially arranged to form detection ring 105, several magnet steel 102 in 101 outer surface of central cylinder
It is circumferentially arranged respectively to form the first magnet steel ring 106 and the second magnet steel ring 107, this first magnet steel in 101 outer surface of central cylinder
Ring 106 and the second magnet steel ring 107 are located at detection 105 two sides of ring, and the steel brush 103 is uniformly clouded in 102 upper surface of magnet steel；
The front support cylinder 4, preceding driving bowl 2, magnetization detect inside the central cylinder of sleeve 1, rear leather cup 3, rear support cylinder 5
It is provided with machine core 111, battery compartment 112, hydraulic cylinder 113 and hydraulic valve 114, before the hydraulic valve 114 is installed on by support ring
In the central cylinder of support tube 4, this 114 rear end of hydraulic valve is connect with hydraulic cylinder 113, and the battery compartment 112 is pacified by mounting ring
Loaded on 113 rear of hydraulic cylinder, the machine core 111 is connected with the installation of battery compartment 112.
Above-mentioned front support cylinder 4, preceding driving bowl 2, magnetization detection sleeve 1, rear leather cup 3, in any central cylinder of rear support cylinder 5
It is provided with low frequency transmitter；Above-mentioned machine core 111 is built-in with inertial navigation and accelerograph；Above-mentioned first magnet steel ring 106 and second
Magnet steel ring 107 is symmetrically disposed on detection 105 two sides of ring；
Above-mentioned magnet steel 102 is permanent magnet；The bristle diameter of above-mentioned steel brush 103 is 0.2mm；Above-mentioned front support cylinder 4, preceding driving
It is connected between bowl 2, magnetization detection sleeve 1, rear leather cup 3 and the respective central cylinder of rear support cylinder 5 by mounting flange.
Embodiment 2: a kind of axial direction flux leakage detector, including magnetization detection sleeve 1, preceding driving bowl 2, rear leather cup 3, front support
Cylinder 4 and rear support cylinder 5, the front support cylinder 4, preceding driving bowl 2, magnetization detection sleeve 1, rear leather cup 3, rear support cylinder 5 are successively solid
Fixed connection；
The magnetization detection sleeve 1 further comprises central cylinder 101, several magnet steel 102, steel brush 103 and several probes
104, several probes 104 are circumferentially arranged to form detection ring 105, several magnet steel 102 in 101 outer surface of central cylinder
It is circumferentially arranged respectively to form the first magnet steel ring 106 and the second magnet steel ring 107, this first magnet steel in 101 outer surface of central cylinder
Ring 106 and the second magnet steel ring 107 are located at detection 105 two sides of ring, and the steel brush 103 is uniformly clouded in 102 upper surface of magnet steel；
The front support cylinder 4, preceding driving bowl 2, magnetization detect inside the central cylinder of sleeve 1, rear leather cup 3, rear support cylinder 5
It is provided with machine core 111, battery compartment 112, hydraulic cylinder 113 and hydraulic valve 114, before the hydraulic valve 114 is installed on by support ring
In the central cylinder of support tube 4, this 114 rear end of hydraulic valve is connect with hydraulic cylinder 113, and the battery compartment 112 is pacified by mounting ring
Loaded on 113 rear of hydraulic cylinder, the machine core 111 is connected with the installation of battery compartment 112.
Above-mentioned preceding driving bowl 2 and rear leather cup 3 are provided with bowl-shaped part, ring part and interconnecting piece, and above-mentioned ring part is set to
Opposite to each other in the side of the rim of a bowl, above-mentioned bowl-shaped part is connected with ring part by interconnecting piece bowl-shaped part；Above-mentioned preceding driving bowl 2 and rear leather cup
3 be polyurethane bowl；Driving bowl 2 is circumferential before above-mentioned connect with inner wall of the pipe interference.
When using above-mentioned axial flux leakage detector, passes through the setting of hydraulic valve and hydraulic cylinder, can hydraulic valve be existed
Stretching motion is done under the driving of hydraulic cylinder, with control by the intracorporal liquid of central tube or gas, hydraulic valve is controlled with this
The pressure difference of two sides achievees the effect that control detector mass motion speed.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention.
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it
It is interior.
Claims (10)
1. a kind of axial direction flux leakage detector, it is characterised in that: detect sleeve (1), preceding driving bowl (2), rear leather cup including magnetization
(3), front support cylinder (4) and rear support cylinder (5), the front support cylinder (4), preceding driving bowl (2), magnetization detection sleeve (1), rear skin
Bowl (3), rear support cylinder (5) are fixedly connected sequentially；
Magnetization detection sleeve (1) further comprises central cylinder (101), several magnet steel (102), steel brush (103) and several
It pops one's head in (104), several probes (104) are circumferentially arranged to form detection ring (105), institute in central cylinder (101) outer surface
It is circumferentially arranged in central cylinder (101) outer surface the first magnet steel ring (106) of formation and the second magnetic respectively to state several magnet steel (102)
Steel loop (107), this first magnet steel ring (106) and the second magnet steel ring (107) are located at detection ring (105) two sides, the steel brush
(103) it is uniformly clouded in magnet steel (102) upper surface；
The front support cylinder (4), it is preceding driving bowl (2), magnetization detection sleeve (1), rear leather cup (3), rear support cylinder (5) central tube
Body is internally provided with machine core (111), battery compartment (112), hydraulic cylinder (113) and hydraulic valve (114), and the hydraulic valve (114) is logical
It crosses support ring to be installed in the central cylinder of front support cylinder (4), this hydraulic valve (114) rear end is connect with hydraulic cylinder (113), described
Battery compartment (112) is installed on hydraulic cylinder (113) rear by mounting ring, and the machine core (111) and battery compartment (112) installation connect
It connects.
2. axial direction flux leakage detector according to claim 1, it is characterised in that: the front support cylinder (4), preceding driving bowl
(2), magnetization detection sleeve (1), rear leather cup (3), be provided with low frequency transmitter in rear support cylinder (5) any central cylinder.
3. axial direction flux leakage detector according to claim 1, it is characterised in that: the machine core (111) is built-in with inertia and leads
Boat and accelerograph.
4. axial direction flux leakage detector according to claim 1, it is characterised in that: the first magnet steel ring (106) and second
Magnet steel ring (107) is symmetrically disposed on detection ring (105) two sides.
5. axial direction flux leakage detector according to claim 1, it is characterised in that: the magnet steel (102) is permanent magnet.
6. axial direction flux leakage detector according to claim 1, it is characterised in that: the bristle diameter of the steel brush (103) is
0.2mm。
7. axial direction flux leakage detector according to claim 1, it is characterised in that: the front support cylinder (4), preceding driving bowl
(2), it is connected between magnetization detection sleeve (1), rear leather cup (3) and rear support cylinder (5) respective central cylinder by mounting flange
Or it is welded to connect.
8. axial direction flux leakage detector according to claim 1, it is characterised in that: the preceding driving bowl (2) and rear leather cup (3)
It is provided with bowl-shaped part, ring part and interconnecting piece, the ring part is set to bowl-shaped part opposite to each other in the side of the rim of a bowl, described bowl-shape
Portion is connected with ring part by interconnecting piece.
9. axial direction flux leakage detector according to claim 1, it is characterised in that: the preceding driving bowl (2) and rear leather cup (3)
For polyurethane bowl.
10. axial direction flux leakage detector according to claim 1, it is characterised in that: driving bowl (2) circumferential direction and pipeline before described
Inner wall interference connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820656278.8U CN208239349U (en) | 2018-05-04 | 2018-05-04 | Axial flux leakage detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820656278.8U CN208239349U (en) | 2018-05-04 | 2018-05-04 | Axial flux leakage detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208239349U true CN208239349U (en) | 2018-12-14 |
Family
ID=64582054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820656278.8U Active CN208239349U (en) | 2018-05-04 | 2018-05-04 | Axial flux leakage detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208239349U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901898A (en) * | 2020-08-24 | 2021-06-04 | 达州帝泰克检测设备有限公司 | Intelligent pipeline defect detection device |
-
2018
- 2018-05-04 CN CN201820656278.8U patent/CN208239349U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901898A (en) * | 2020-08-24 | 2021-06-04 | 达州帝泰克检测设备有限公司 | Intelligent pipeline defect detection device |
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