CN105116047A - Device for magnetic leakage flaw detection of surface of steel pipe - Google Patents
Device for magnetic leakage flaw detection of surface of steel pipe Download PDFInfo
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- CN105116047A CN105116047A CN201510629285.XA CN201510629285A CN105116047A CN 105116047 A CN105116047 A CN 105116047A CN 201510629285 A CN201510629285 A CN 201510629285A CN 105116047 A CN105116047 A CN 105116047A
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- magnet
- permanent magnet
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- detection device
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Abstract
The invention discloses a device for magnetic leakage flaw detection of the surface of a steel pipe. The device comprises a base platform, a detection device, an object carrying rod and a cleaning device, the detection device is mounted on the upper portion of the base platform, the object carrying rod is mounted in the middle of the base platform, the cleaning device is mounted at the bottom of the base platform, a permanent magnet is arranged on the detection device, a magnet A and a magnet B are mounted at the left end and the right end of the permanent magnet, a probe component is mounted between the magnet A and the magnet B and fixed in the middle of the permanent magnet, a servo motor is arranged on the left side of the cleaning device, a hairbrush rod is mounted on the servo motor, a fixing frame is mounted below the hairbrush rod, the object carrying rod is movably connected with the servo motor through a belt, and the detection device and the servo motor are in electrical connection. The device can clean a detected object to guarantee penetrating power of a magnetic field, and can rotate the detected object to guarantee the same to be detected comprehensively, and detection accuracy is improved.
Description
Technical field
The invention belongs to magnetic leakage crack detection device technical field, be specifically related to a kind of steel tube surface magnetic leakage crack detection device.
Background technology
After Magnetic Flux Leakage Inspecting refers to that ferromagnetic material is magnetized, stray field is formed on its surface because of surface of test piece or nearly surperficial defect, people can by detecting the change of stray field and then finding defect, it is very important lossless detection method, apply very extensive, the steel pipe crackle of such as constructing used and degree of corrosion detection etc., when it and other methods combining uses time can provide quick and the evaluation of cheapness to the workpiece of ferrimagnet, along with the progress of technology, people more and more focus on detecting, this not only can reduce the labour intensity of testing, also can improve the reliability of testing result, reduce the impact of human factor.
As Chinese Patent Application No. a kind of pipe leakage flux flaw detection system magnetizing coil disclosed in the new patent of CN201220750751.1, the utility model is a kind of pipe leakage flux flaw detection system magnetizing coil, it can detect in drilling tool process easily by the joint of the different-diameter of drilling tool, by adjusting the relative position of drilling tool and long magnetizing coil, tool joint is is freely come in and gone out coil, significantly reduce labour intensity, improve accuracy of detection and efficiency.But the utility model is not considered the process of testee cleaning inside, dirt so just may be caused to hinder magnetic field through measured object, and then cause measuring accuracy to cause very large deviation; Do not consider and measured object is rotated and then omnibearing measurement yet.
Summary of the invention
The object of the present invention is to provide a kind of steel tube surface magnetic leakage crack detection device, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme: a kind of steel tube surface magnetic leakage crack detection device, comprise base station, pick-up unit, material-loading rod and cleaning device, described pick-up unit is arranged on the top of base station, described material-loading rod is arranged on the middle part of base station, described cleaning device is arranged on the bottom of base station, described pick-up unit is provided with permanent magnet, the two ends, left and right of described permanent magnet are provided with magnet A and magnet B, between described magnet A and magnet B, probe assembly is installed, described probe assembly is fixed on the middle part of permanent magnet, described material-loading rod is provided with sheave, the left side of described cleaning device is provided with servomotor, described servomotor is provided with brush stroke, sheave is provided with between described servomotor and brush stroke, the below of described brush stroke is provided with fixed mount, described objective table is flexibly connected with servomotor by belt, for to be electrically connected between described pick-up unit and servomotor.
Preferably, described pick-up unit with between base station for being flexibly connected, described permanent magnet is tied with coil, and the junction of described permanent magnet and magnet A and magnet B is provided with yoke, is provided with sensor in described probe assembly.
Preferably, described material-loading rod with between base station for being flexibly connected.
Technique effect of the present invention and advantage: this steel tube surface magnetic leakage crack detection device, pick-up unit is flexibly connected with base station, the distance between probe assembly and measured object can be adjusted at any time, ensure that the magnetic field intensity between pick-up unit and measured object, guarantee measuring accuracy, servomotor on cleaning device, both brush stroke can have been driven surveyed body cleaning, in case survey the penetration power that dirt on thing hinders magnetic field, material-loading rod can be driven again, and then drive the omnibearing rotation of object being measured, ensure that object being measured comprehensively detects, improve accuracy of measurement.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is fixed mount backsight structural representation of the present invention.
In figure: 1, base station; 2, pick-up unit; 3, material-loading rod; 4, cleaning device; 20, permanent magnet; 21, magnet A; 22, magnet B; 23, probe assembly; 40, servomotor; 41, brush stroke; 42, fixed mount.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1-2, the invention provides a kind of technical scheme: a kind of steel tube surface magnetic leakage crack detection device, comprise base station 1, pick-up unit 2, material-loading rod 3 and cleaning device 4, described pick-up unit 2 is arranged on the top of base station 1, described material-loading rod 3 is arranged on the middle part of base station 1, described material-loading rod 3 with between base station 1 for being flexibly connected, described cleaning device 4 is arranged on the bottom of base station 1, described pick-up unit 2 is provided with permanent magnet 20, the two ends, left and right of described permanent magnet 20 are provided with magnet A21 and magnet B22, between described magnet A21 and magnet B22, probe assembly 23 is installed, described probe assembly 23 is fixed on the middle part of permanent magnet 20, described pick-up unit 2 with between base station 1 for being flexibly connected, described permanent magnet 20 is tied with coil, described permanent magnet 20 is provided with yoke with the junction of magnet A21 and magnet B22, sensor is provided with in described probe assembly 23, described material-loading rod 3 is provided with sheave, the left side of described cleaning device 4 is provided with servomotor 40, described servomotor 40 is provided with brush stroke 41, sheave is provided with between described servomotor 40 and brush stroke 41, the below of described brush stroke 41 is provided with fixed mount 42, described objective table 3 is flexibly connected with servomotor 40 by belt, for to be electrically connected between described pick-up unit 2 and servomotor 40.
Last it is noted that the foregoing is only the preferred embodiments of the present invention; be not limited to the present invention; although with reference to previous embodiment to invention has been detailed description; for a person skilled in the art; it still can be modified to the technical scheme described in foregoing embodiments; or equivalent replacement is carried out to wherein portion of techniques feature; within the spirit and principles in the present invention all; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. a steel tube surface magnetic leakage crack detection device, comprise base station (1), pick-up unit (2), material-loading rod (3) and cleaning device (4), described pick-up unit (2) is arranged on the top of base station (1), described material-loading rod (3) is arranged on the middle part of base station (1), described cleaning device (4) is arranged on the bottom of base station (1), it is characterized in that: described pick-up unit (2) is provided with permanent magnet (20), the two ends, left and right of described permanent magnet (20) are provided with magnet A(21) and magnet B(22), described magnet A(21) and magnet B(22) between probe assembly (23) is installed, described probe assembly (23) is fixed on the middle part of permanent magnet (20), (3) are provided with sheave to described material-loading rod, the left side of described cleaning device (4) is provided with servomotor (40), described servomotor (40) is provided with brush stroke (41), sheave is provided with between described servomotor (40) and brush stroke (41), the below of described brush stroke (41) is provided with fixed mount (42), described objective table (3) is flexibly connected with servomotor (40) by belt, for to be electrically connected between described pick-up unit (2) and servomotor (40).
2. a kind of steel tube surface magnetic leakage crack detection device according to claim 1, it is characterized in that: for being flexibly connected between described pick-up unit (2) with base station (1), (20) are tied with coil to described permanent magnet, described permanent magnet (20) and magnet A(21) and magnet B(22) junction be provided with yoke, described probe assembly is provided with sensor in (23).
3. a kind of steel tube surface magnetic leakage crack detection device according to claim 1, is characterized in that: for being flexibly connected between described material-loading rod (3) with base station (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510629285.XA CN105116047A (en) | 2015-09-29 | 2015-09-29 | Device for magnetic leakage flaw detection of surface of steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510629285.XA CN105116047A (en) | 2015-09-29 | 2015-09-29 | Device for magnetic leakage flaw detection of surface of steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105116047A true CN105116047A (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510629285.XA Pending CN105116047A (en) | 2015-09-29 | 2015-09-29 | Device for magnetic leakage flaw detection of surface of steel pipe |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770628A (en) * | 2017-02-08 | 2017-05-31 | 广东工业大学 | A kind of magneto-optic imaging non-destructive detection means |
| CN106979835A (en) * | 2016-01-18 | 2017-07-25 | 西红柿科技（武汉）有限公司 | A kind of magnetic memory signal collection device and stress real-time monitoring system |
| CN108414717A (en) * | 2018-04-24 | 2018-08-17 | 国弘环保仪器（昆山）有限公司 | Polarity switching realizes the device that water quality probe cleans automatically |
| CN113030246A (en) * | 2020-12-14 | 2021-06-25 | 陕西泰诺特检测技术有限公司 | Pipeline outer wall magnetic leakage detector |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1136169A (en) * | 1995-12-26 | 1996-11-20 | 冶金工业部钢铁研究总院 | Magnetic fault detector |
| JP2002257789A (en) * | 2001-02-28 | 2002-09-11 | Nkk Corp | Leakage flux detecting device |
| CN2516972Y (en) * | 2001-07-25 | 2002-10-16 | 李敬安 | Automatic flow detection investigating device for brake beam |
| CN2924531Y (en) * | 2006-05-16 | 2007-07-18 | 汪可德 | Magnetic flux leakage defect detector |
| CN101352712A (en) * | 2008-08-14 | 2009-01-28 | 安东石油技术（集团）有限公司 | Automatic cleaner for greasy dirt on surface of petroleum drilling tool joint inner screw thread |
| CN102008001A (en) * | 2009-09-08 | 2011-04-13 | 陶文兵 | Variable speed driving gear of ice cream maker |
| WO2011138993A1 (en) * | 2010-05-06 | 2011-11-10 | (주)노바마그네틱스 | Complex nondestructive inspection device using a hybrid inductive magnetic thin film sensor |
| CN102979877A (en) * | 2012-11-27 | 2013-03-20 | 刘德军 | Energy-saving transmission device |
| CN103481142A (en) * | 2013-09-26 | 2014-01-01 | 天津腾飞钢管有限公司 | Polisher for inner walls of thermally-expanded steel pipes |
| CN205038189U (en) * | 2015-09-29 | 2016-02-17 | 江苏建研建设工程质量安全鉴定有限公司 | Steel pipe surface magnetic leakage device of detecting a flaw |
-
2015
- 2015-09-29 CN CN201510629285.XA patent/CN105116047A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1136169A (en) * | 1995-12-26 | 1996-11-20 | 冶金工业部钢铁研究总院 | Magnetic fault detector |
| JP2002257789A (en) * | 2001-02-28 | 2002-09-11 | Nkk Corp | Leakage flux detecting device |
| CN2516972Y (en) * | 2001-07-25 | 2002-10-16 | 李敬安 | Automatic flow detection investigating device for brake beam |
| CN2924531Y (en) * | 2006-05-16 | 2007-07-18 | 汪可德 | Magnetic flux leakage defect detector |
| CN101352712A (en) * | 2008-08-14 | 2009-01-28 | 安东石油技术（集团）有限公司 | Automatic cleaner for greasy dirt on surface of petroleum drilling tool joint inner screw thread |
| CN102008001A (en) * | 2009-09-08 | 2011-04-13 | 陶文兵 | Variable speed driving gear of ice cream maker |
| WO2011138993A1 (en) * | 2010-05-06 | 2011-11-10 | (주)노바마그네틱스 | Complex nondestructive inspection device using a hybrid inductive magnetic thin film sensor |
| CN102979877A (en) * | 2012-11-27 | 2013-03-20 | 刘德军 | Energy-saving transmission device |
| CN103481142A (en) * | 2013-09-26 | 2014-01-01 | 天津腾飞钢管有限公司 | Polisher for inner walls of thermally-expanded steel pipes |
| CN205038189U (en) * | 2015-09-29 | 2016-02-17 | 江苏建研建设工程质量安全鉴定有限公司 | Steel pipe surface magnetic leakage device of detecting a flaw |
Non-Patent Citations (1)
| Title |
|---|
| 查卿: "中国优秀硕士学文论文全文数据库 工程科技II辑", 《中国优秀硕士学文论文全文数据库 工程科技II辑》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979835A (en) * | 2016-01-18 | 2017-07-25 | 西红柿科技（武汉）有限公司 | A kind of magnetic memory signal collection device and stress real-time monitoring system |
| CN106770628A (en) * | 2017-02-08 | 2017-05-31 | 广东工业大学 | A kind of magneto-optic imaging non-destructive detection means |
| CN108414717A (en) * | 2018-04-24 | 2018-08-17 | 国弘环保仪器（昆山）有限公司 | Polarity switching realizes the device that water quality probe cleans automatically |
| CN113030246A (en) * | 2020-12-14 | 2021-06-25 | 陕西泰诺特检测技术有限公司 | Pipeline outer wall magnetic leakage detector |
| CN113030246B (en) * | 2020-12-14 | 2024-04-09 | 陕西泰诺特检测技术有限公司 | Magnetic leakage detector for outer wall of pipeline |
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Application publication date: 20151202 |
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| RJ01 | Rejection of invention patent application after publication |