CN212691215U - High-precision magnetic leakage detection equipment for pipeline defects - Google Patents
High-precision magnetic leakage detection equipment for pipeline defects Download PDFInfo
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- CN212691215U CN212691215U CN202021504208.4U CN202021504208U CN212691215U CN 212691215 U CN212691215 U CN 212691215U CN 202021504208 U CN202021504208 U CN 202021504208U CN 212691215 U CN212691215 U CN 212691215U
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Abstract
The utility model discloses a high accuracy magnetic leakage check out test set for pipeline defect, including first barrel, second barrel, install in a plurality of numerical control box of first barrel external surface, respectively suit in first barrel, second barrel respectively on the surface respectively the leather cup before, the leather cup after and install fixed plate, rotor plate in first barrel respectively, open on the rotor plate at least two second through-holes that correspond with first through-hole, when first through-hole and second through-hole completely coincide, the discharge capacity is the biggest, when first through-hole and second through-hole do not coincide completely, the discharge capacity is zero; the wheel body of the mileage wheel is in interference contact with the inner wall of the pipeline, and the counting unit of the mileage wheel is electrically connected with the controller of the motor. The utility model discloses the axial ascending defect detects in the pipeline to the process that can be accurate, effectively discerns the defective position, the defect nature etc. of pipeline, provides accurate data guidance for the maintenance of pipeline.
Description
Technical Field
The utility model relates to a high accuracy magnetic leakage check out test set for pipeline defect belongs to the pipeline and equips technical field.
Background
The pipeline is the important facility of transportation liquid and gas, by the wide application in feedwater, drainage, heat supply, supply gas, long distance transport oil and natural gas, agricultural irrigation, among hydraulic engineering and various industrial installation, the pipeline produces damage deformation of different degree after long-time the use easily, lead to the efficiency of oil gas transportation to reduce, produce in the transportation and reveal and lead to the loss increase, also caused serious potential safety hazard simultaneously, consequently necessary to carry out periodic detection to the pipeline, guarantee the intact and peripheral safety of pipeline, reduce pipeline operation management risk, reduce the emergence of operation production accident.
The detector in the pipeline only depends on the action of the power leather cup to move along with the medium, so that the optimal detection speed is difficult to ensure, when the running speed of the detector in the pipeline is too high, the pipeline cleaning is incomplete, the detection data of part of the pipeline section is easy to lose, the impact force of the detector in the pipeline is large, and the leather cup is seriously worn; when the detector in the pipeline runs too slowly, the pipeline cleaning operation and the detection efficiency are low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high accuracy magnetic leakage check out test set for pipeline defect, this a high accuracy magnetic leakage check out test set for pipeline defect can be accurate to the pipeline of process in the ascending defect detect, effectively discern the defective position of pipeline, defect nature etc. provide accurate data guide for the maintenance of pipeline.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a high-precision magnetic flux leakage detection device for pipeline defects comprises a first barrel, a second barrel, a plurality of numerical control boxes arranged on the outer surface of the first barrel, a front leather cup and a rear leather cup which are respectively sleeved on the outer surfaces of the first barrel and the second barrel, and a fixed plate and a rotating plate which are respectively arranged in the first barrel, wherein the first barrel and the second barrel are connected through a chain;
the outer surface of the second cylinder body is provided with a plurality of probes and a plurality of magnetic steels, the plurality of probes are arranged at equal intervals along the circumferential direction of the second cylinder body, the probes are electrically connected with the numerical control box, the plurality of magnetic steels are divided into two groups on average, each group of magnetic steels are respectively and continuously arranged along the circumferential direction of the second cylinder body, and steel brushes are uniformly and densely distributed on each magnetic steel, so that two magnetic rings are formed, and the two magnetic rings are respectively positioned on two sides of a probe ring formed by the probes arranged along the circumferential direction of the second cylinder body;
a rotating shaft is arranged in the center of the rotating plate, one end of the rotating shaft, which is back to the rotating plate, penetrates out of the fixed plate and is connected with an output shaft of a motor, at least two first through holes are formed in the fixed plate at intervals along the circumferential direction, at least two second through holes corresponding to the first through holes are formed in the rotating plate, when the first through holes and the second through holes are completely overlapped, the discharge amount is maximum, and when the first through holes and the second through holes are not completely overlapped, the discharge amount is zero;
the front leather cup and the rear leather cup are both arranged on the first barrel and the second barrel through at least two leather cup pressing plates, at least one mileage wheel is arranged on the leather cup pressing plate behind the rear leather cup of the second barrel, the wheel body part of the mileage wheel is in interference contact with the inner wall of the pipeline, and the counting unit of the mileage wheel is electrically connected with the controller of the motor.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, the welding has an installation circle on the first barrel inner wall, the fixed plate passes through the screw and installs on the installation circle.
2. In the above scheme, the motor outside cover is equipped with an interior barrel, and the one end of barrel is connected on the fixed plate in this, the motor passes through the support mounting on interior barrel.
3. In the above scheme, the probe is mounted on the cylinder through a polyurethane bracket.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
1. the utility model discloses a high accuracy magnetic leakage check out test set for pipeline defect, it can be accurate to the ascending defect of pipeline internal shaft that passes through detect, effectively discern defect position, defect nature etc. of pipeline, provide accurate data guide for the maintenance of pipeline; in addition, the flow discharge area of the fluid in the pipeline can be adjusted in real time, so that the speed of the equipment in the pipeline can be adjusted, the equipment always keeps moderate and constant running speed in the pipeline, and the consistency and stability of the operation precision and the collected data of the pipeline are ensured.
2. The utility model is used for high accuracy magnetic leakage detection equipment of pipeline defect, it is located and installs at least one mileage wheel on the leather cup clamp plate at second barrel back leather cup rear, the wheel somatic part and the interference contact of pipeline inner wall of mileage wheel, the counting unit of this mileage wheel is connected with the controller electricity of motor, through the linkage setting of mileage wheel and motor, provides real-time data for the rotation of motor and guides, has strengthened the sensitivity to speed control.
Drawings
FIG. 1 is a schematic structural view of the high-precision magnetic leakage detection device for pipeline defects of the present invention;
FIG. 2 is a cross-sectional view of the high-precision magnetic leakage detecting apparatus for pipeline defects of the present invention;
FIG. 3 is a schematic view of a local structure of the high-precision magnetic leakage detection device for detecting the pipeline defects of the present invention;
figure 4 is the utility model discloses pipeline defect's high accuracy magnetic leakage check out test set's local structure cross-sectional view.
In the above drawings: 1. a first cylinder; 2. a fixing plate; 3. a rotating plate; 4. a rotating shaft; 5. a motor; 6. a first through hole; 7. a second through hole; 91. a front leather cup; 92. a back leather cup; 93. a leather cup pressing plate; 14. installing a ring; 16. a mileage wheel; 22. a second cylinder; 23. a numerical control box; 24. a probe; 25. magnetic steel; 26. a magnetic ring.
Detailed Description
In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.
Example 1: a high-precision magnetic flux leakage detection device for pipeline defects comprises a first barrel body 1, a second barrel body 22, a plurality of numerical control boxes 23 arranged on the outer surface of the first barrel body 1, a front leather cup 91 and a rear leather cup 92 which are respectively sleeved on the outer surfaces of the first barrel body 1 and the second barrel body 22, and a fixed plate 2 and a rotating plate 3 which are respectively arranged in the first barrel body 1, wherein the first barrel body 1 and the second barrel body 22 are connected through a chain, the plurality of numerical control boxes 23 are arranged at equal intervals along the circumferential direction of the first barrel body 1, the fixed plate 2 is fixedly arranged in the first barrel body 1, the circumferential end face of the fixed plate 2 is in contact connection with the inner wall of the first barrel body 1, and the rotating plate 3 is rotatably arranged on one side of the fixed plate 2 and is arranged close to the fixed plate 2;
the outer surface of the second cylinder 22 is provided with a plurality of probes 24 and a plurality of magnetic steels 25, the plurality of probes 24 are arranged at equal intervals along the circumferential direction of the second cylinder 22, the probes 24 are electrically connected with the numerical control box 23, the plurality of magnetic steels 25 are divided into two groups on average, each group of magnetic steels 25 are respectively arranged continuously along the circumferential direction of the second cylinder 22, steel brushes are uniformly and densely distributed on each magnetic steel 25, so that two magnetic rings 26 are formed, and the two magnetic rings 26 are respectively positioned on two sides of a probe ring formed by the probes 24 arranged along the circumferential direction of the second cylinder 22;
a rotating shaft 4 is arranged in the center of the rotating plate 3, one end of the rotating shaft 4, which is back to the rotating plate 3, penetrates out of the fixed plate 2 and is connected with an output shaft of a motor 5, at least two first through holes 6 are formed in the fixed plate 2 at intervals along the circumferential direction, at least two second through holes 7 corresponding to the first through holes 6 are formed in the rotating plate 3, when the first through holes 6 and the second through holes 7 are completely overlapped, the discharge capacity is maximum, and when the first through holes 6 and the second through holes 7 are completely not overlapped, the discharge capacity is zero;
the front leather cup 91 and the rear leather cup 92 are both arranged on the first barrel 1 and the second barrel 22 through at least two leather cup pressing plates 93, at least one mileage wheel 16 is arranged on the leather cup pressing plate 93 behind the leather cup 92 behind the second barrel 22, the wheel body part of the mileage wheel 16 is in interference contact with the inner wall of the pipeline, and the counting unit of the mileage wheel 16 is electrically connected with the controller of the motor 5.
The inner wall of the first cylinder 1 is welded with a mounting ring 14, and the fixing plate 2 is mounted on the mounting ring 14 through screws; the probe 24 is mounted on the barrel 1 by a polyurethane bracket.
Example 2: a high-precision magnetic flux leakage detection device for pipeline defects comprises a first barrel body 1, a second barrel body 22, a plurality of numerical control boxes 23 arranged on the outer surface of the first barrel body 1, a front leather cup 91 and a rear leather cup 92 which are respectively sleeved on the outer surfaces of the first barrel body 1 and the second barrel body 22, and a fixed plate 2 and a rotating plate 3 which are respectively arranged in the first barrel body 1, wherein the first barrel body 1 and the second barrel body 22 are connected through a chain, the plurality of numerical control boxes 23 are arranged at equal intervals along the circumferential direction of the first barrel body 1, the fixed plate 2 is fixedly arranged in the first barrel body 1, the circumferential end face of the fixed plate 2 is in contact connection with the inner wall of the first barrel body 1, and the rotating plate 3 is rotatably arranged on one side of the fixed plate 2 and is arranged close to the fixed plate 2;
the outer surface of the second cylinder 22 is provided with a plurality of probes 24 and a plurality of magnetic steels 25, the plurality of probes 24 are arranged at equal intervals along the circumferential direction of the second cylinder 22, the probes 24 are electrically connected with the numerical control box 23, the plurality of magnetic steels 25 are divided into two groups on average, each group of magnetic steels 25 are respectively arranged continuously along the circumferential direction of the second cylinder 22, steel brushes are uniformly and densely distributed on each magnetic steel 25, so that two magnetic rings 26 are formed, and the two magnetic rings 26 are respectively positioned on two sides of a probe ring formed by the probes 24 arranged along the circumferential direction of the second cylinder 22;
a rotating shaft 4 is arranged in the center of the rotating plate 3, one end of the rotating shaft 4, which is back to the rotating plate 3, penetrates out of the fixed plate 2 and is connected with an output shaft of a motor 5, at least two first through holes 6 are formed in the fixed plate 2 at intervals along the circumferential direction, at least two second through holes 7 corresponding to the first through holes 6 are formed in the rotating plate 3, when the first through holes 6 and the second through holes 7 are completely overlapped, the discharge capacity is maximum, and when the first through holes 6 and the second through holes 7 are completely not overlapped, the discharge capacity is zero;
the front leather cup 91 and the rear leather cup 92 are both arranged on the first barrel 1 and the second barrel 22 through at least two leather cup pressing plates 93, at least one mileage wheel 16 is arranged on the leather cup pressing plate 93 behind the leather cup 92 behind the second barrel 22, the wheel body part of the mileage wheel 16 is in interference contact with the inner wall of the pipeline, and the counting unit of the mileage wheel 16 is electrically connected with the controller of the motor 5.
An inner cylinder 10 is sleeved outside the motor 5, one end of the inner cylinder 10 is connected to the fixed plate 2, and the motor 5 is mounted on the inner cylinder 10 through a bracket; the probe 24 is mounted on the barrel 1 by a polyurethane bracket.
By adopting the high-precision magnetic flux leakage detection equipment for the pipeline defects, the axial defects in the passing pipeline can be accurately detected, the defect positions, the defect properties and the like of the pipeline can be effectively identified, and accurate data guidance is provided for the maintenance of the pipeline;
in addition, the flow discharge area of the fluid in the pipeline can be adjusted in real time, so that the speed of the equipment in the pipeline can be adjusted, the equipment can always keep a moderate and constant running speed in the pipeline, and the consistency and stability of the operation precision and the acquired data of the pipeline are ensured;
in addition, the mileage wheel and the motor are arranged in a linkage manner, so that real-time data guidance is provided for the rotation of the motor, and the sensitivity of speed regulation is enhanced.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (4)
1. The utility model provides a high accuracy magnetic leakage check out test set for pipeline defect which characterized in that: the numerical control device comprises a first barrel body (1), a second barrel body (22), a plurality of numerical control boxes (23) arranged on the outer surface of the first barrel body (1), a front leather cup (91) and a rear leather cup (92) which are respectively sleeved on the outer surfaces of the first barrel body (1) and the second barrel body (22), and a fixed plate (2) and a rotating plate (3) which are respectively arranged in the first barrel body (1), wherein the first barrel body (1) and the second barrel body (22) are connected through a chain, the plurality of numerical control boxes (23) are arranged at equal intervals along the circumferential direction of the first barrel body (1), the fixed plate (2) is fixedly arranged in the first barrel body (1), the circumferential end face of the fixed plate (2) is in contact connection with the inner wall of the first barrel body (1), and the rotating plate (3) is rotatably arranged on one side of the fixed plate (2) and is arranged close to the fixed plate (;
the outer surface of the second cylinder body (22) is provided with a plurality of probes (24) and a plurality of magnetic steels (25), the plurality of probes (24) are arranged at equal intervals along the circumferential direction of the second cylinder body (22), the probes (24) are electrically connected with the numerical control box (23), the plurality of magnetic steels (25) are evenly divided into two groups, each group of magnetic steels (25) are respectively and continuously arranged along the circumferential direction of the second cylinder body (22), steel brushes are uniformly and densely distributed on each magnetic steel (25) to form two magnetic rings (26), and the two magnetic rings (26) are respectively positioned on two sides of a probe ring formed by the probes (24) arranged along the circumferential direction of the second cylinder body (22);
a rotating shaft (4) is arranged in the center of the rotating plate (3), one end of the rotating shaft (4) back to the rotating plate (3) penetrates out of the fixed plate (2) and is connected with an output shaft of a motor (5), at least two first through holes (6) are formed in the fixed plate (2) at intervals along the circumferential direction, at least two second through holes (7) corresponding to the first through holes (6) are formed in the rotating plate (3), when the first through holes (6) and the second through holes (7) are completely overlapped, the leakage flow is maximum, and when the first through holes (6) and the second through holes (7) are not overlapped completely, the leakage flow is zero;
the front leather cup (91) and the rear leather cup (92) are both installed on the first barrel body (1) and the second barrel body (22) through at least two leather cup pressing plates (93), at least one mileage wheel (16) is installed on the leather cup pressing plate (93) located behind the second barrel body (22) and behind the leather cup pressing plate (92), the wheel body part of the mileage wheel (16) is in interference contact with the inner wall of a pipeline, and the counting unit of the mileage wheel (16) is electrically connected with the controller of the motor (5).
2. The apparatus for detecting high-precision magnetic leakage for a pipe defect according to claim 1, wherein: the inner wall of the first barrel (1) is welded with an installation ring (14), and the fixing plate (2) is installed on the installation ring (14) through screws.
3. The apparatus for detecting high-precision magnetic leakage for a pipe defect according to claim 1, wherein: an inner cylinder (10) is sleeved on the outer side of the motor (5), one end of the inner cylinder (10) is connected to the fixing plate (2), and the motor (5) is installed on the inner cylinder (10) through a support.
4. The apparatus for detecting high-precision magnetic leakage for a pipe defect according to claim 1, wherein: the probe (24) is arranged on the cylinder body (1) through a polyurethane bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021504208.4U CN212691215U (en) | 2020-07-27 | 2020-07-27 | High-precision magnetic leakage detection equipment for pipeline defects |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021504208.4U CN212691215U (en) | 2020-07-27 | 2020-07-27 | High-precision magnetic leakage detection equipment for pipeline defects |
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| CN212691215U true CN212691215U (en) | 2021-03-12 |
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| CN202021504208.4U Active CN212691215U (en) | 2020-07-27 | 2020-07-27 | High-precision magnetic leakage detection equipment for pipeline defects |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114484146A (en) * | 2021-12-29 | 2022-05-13 | 中国特种设备检测研究院 | Bidirectional running pipeline detector |
| CN115076519A (en) * | 2022-06-21 | 2022-09-20 | 安徽省特种设备检测院 | Internal detector and self-balancing speed regulation method |
| WO2024078154A1 (en) * | 2022-10-11 | 2024-04-18 | 国家石油天然气管网集团有限公司 | Detection device and method for pipeline weld defects |
-
2020
- 2020-07-27 CN CN202021504208.4U patent/CN212691215U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114484146A (en) * | 2021-12-29 | 2022-05-13 | 中国特种设备检测研究院 | Bidirectional running pipeline detector |
| CN114484146B (en) * | 2021-12-29 | 2023-10-31 | 中国特种设备检测研究院 | Two-way running pipeline detector |
| CN115076519A (en) * | 2022-06-21 | 2022-09-20 | 安徽省特种设备检测院 | Internal detector and self-balancing speed regulation method |
| WO2024078154A1 (en) * | 2022-10-11 | 2024-04-18 | 国家石油天然气管网集团有限公司 | Detection device and method for pipeline weld defects |
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