CN104181226A - Multichannel magnetic memory detection device - Google Patents
Multichannel magnetic memory detection device Download PDFInfo
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- CN104181226A CN104181226A CN201410441077.2A CN201410441077A CN104181226A CN 104181226 A CN104181226 A CN 104181226A CN 201410441077 A CN201410441077 A CN 201410441077A CN 104181226 A CN104181226 A CN 104181226A
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- sensitive probe
- magnetic sensitive
- support
- electric pushrod
- detection device
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Abstract
The invention provides a multichannel magnetic memory detection device. The detection device comprises magnetic-sensitive probes, electric push rods and a support, wherein the fixed end of each electric push rod is fixedly arranged on the support; the electric push rods are distributed along the circumference on the support; the push rod head of each electric push rod is arranged toward the center of the circumference and is fixedly provided with one magnetic-sensitive probe; the magnetic-sensitive probes are distributed in a staggered way along the circumference, and any two adjacent magnetic-sensitive probes along the circumference are connected with each other end to end or partly overlap each other. By virtue of the multichannel magnetic memory detection device, the problems that the detection period is long, the detection efficiency is low, human and material resources are wasted and the detection of a local part is very possibly neglected once control is inappropriate, are solved. The multichannel magnetic memory detection device is used in the field of nondestructive detection equipment.
Description
Technical field
The present invention relates to a kind of pick-up unit, belong to field of non destructive testing.
Background technology
Metal magnetic memory detection method is a kind ofly can determine on detected object taking stress and strain concentration zones as the lossless detection method of the hazardous location of mark with pin-point accuracy, can be by the early stage diagnosis security of valuator device comparatively exactly.The size of the probe of metal magnetic memory monitoring device is conventionally very little, can conveniently realize spot measurement.
Present stage, the magnetic memory lossless detection method of most of cylindrical shells is to move reciprocatingly along the length direction of cylindrical shell at drum surface place by a magnetic sensitive probe, simultaneously, when magnetic sensitive probe moves to the end of cylindrical shell at every turn, by magnetic sensitive probe and cylindrical shell, the relative position on cylindrical shell circumferencial direction is adjusted, and detects thereby realize the comprehensive magnetic memory to cylindrical shell by the repeatedly to-and-fro movement of magnetic sensitive probe.This detection method is very loaded down with trivial details, not only needs a large amount of to-and-fro movement of magnetic sensitive probe to carry out complete detection to cylindrical shell, and sense cycle is long, and efficiency is low; Also to control the adjustment amount of each magnetic sensitive probe and cylindrical shell relative position on cylindrical shell circumferencial direction well, once adjustment amount is excessive, just likely cause the undetected of part position on cylindrical shell.
When present stage, magnetic memory detected, probe is generally hand-held, and angle and lift off was more between probe and measurand can be subject to the impact of human factor certain in the situation that, thereby can cause the deviation of measurement result.
Summary of the invention
The object of the invention is to: a kind of multi-channel magnetic memory detection device is provided, and longer to solve existing cylindrical shell magnetic memory sense cycle, detection efficiency is low, wasting manpower and material resources's, meanwhile, once control the improper undetected problem in part position that probably causes.
The solution of the present invention is as follows: a kind of multi-channel magnetic memory detection device, comprise magnetic sensitive probe, also comprise electric pushrod and support, the stiff end of electric pushrod is fixedly installed on support, electric pushrod along the circumferential direction distributes on support, and the push rod termination of each electric pushrod arranges towards the center of described circumference, the push rod end of each electric pushrod is fixed with magnetic sensitive probe, magnetic sensitive probe is interspersed along described circumferencial direction, and joins end to end or partly overlap on described circumferencial direction along any two adjacent magnetic sensitive probes on described circumferencial direction.
Described support is columnar structured, on the inwall of support, offers push rod locating slot along its circumferencial direction, and the stiff end of electric pushrod is fixedly installed in push rod locating slot, and the push rod of electric pushrod is along the radially setting of support.
Described magnetic sensitive probe has two groups at least, the magnetic sensitive probe of every group is uniformly distributed along same circumferencial direction, and the circumference that the magnetic sensitive probe of every group forms is coaxial with the circumference that the magnetic sensitive probe of other groups forms, the magnetic sensitive probe in every group and the magnetic sensitive probe in other groups are along the circumferential direction interspersed.
Between two adjacent groups magnetic sensitive probe, be provided with diamagnetism material.
Described electric pushrod is uniformly distributed along the circumferencial direction of support, is fixedly installed correspondingly an electric pushrod in each push rod locating slot.
The bottom of described support is fixedly installed organic block.
On magnetic sensitive probe, be also provided with stop.
Compared with prior art, major advantage is as follows in the present invention:
1) magnetic sensitive probe is crisscross arranged in columnar support, simultaneously, join end to end or partly overlap on the circumferencial direction of support along any two adjacent magnetic sensitive probes on support circumferencial direction, enter the object that detects in cylinder-shaped bracket through in the process of support, can ensure all can being detected by magnetic sensitive probe of described object everywhere, thereby, cylinder to be checked only need be in the inside of cylinder-shaped bracket through once completing detection, greatly shorten sense cycle, improve detection efficiency, reduced the workload detecting;
2) without by magnetic sensitive probe and cylindrical shell the relative position on cylindrical shell circumferencial direction adjust, thereby eliminated undetected possibility;
3) magnetic sensitive probe is fixed on to the push rod end of electric pushrod, can be moved along the length direction of push rod in the position of magnetic sensitive probe, thereby can adjust magnetic sensitive probe in suitable detection position according to the difference of drum diameter to be checked, realize the Non-Destructive Testing to different-diameter cylindrical shell, if there is no electric pushrod, can only detect the cylinder of given diameter, reduce the limitation that device uses.
Brief description of the drawings
Fig. 1 is main TV structure schematic diagram of the present invention;
Fig. 2 be in Fig. 1 A-A to sectional structure schematic diagram;
Fig. 3 is the plane outspread drawing schematic diagram of Fig. 2 medium-height trestle and magnetic sensitive probe;
Fig. 4 is the structural representation at stop and magnetic sensitive probe place in Fig. 2.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the present invention is described in further detail,
In conjunction with Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the embodiment of the present invention provides a kind of multi-channel magnetic memory detection device, comprising:
Magnetic sensitive probe 1, also comprise electric pushrod 2 and support 3, the stiff end of electric pushrod 2 is fixedly installed on support 3, electric pushrod 2 along the circumferential direction distributes on support 3, and the push rod termination of each electric pushrod 2 arranges towards the center of described circumference, the push rod end of each electric pushrod 2 is fixed with magnetic sensitive probe 1, magnetic sensitive probe 1 is interspersed along described circumferencial direction, and join end to end or partly overlap on described circumferencial direction along any two adjacent magnetic sensitive probes 1 on described circumferencial direction, so arrange, enter the cylinder that detects in columnar support 3 through (ensure that the cylinder detecting is coaxial with support 3 in the process of support as far as possible, detect effect best), can ensure all can being detected by magnetic sensitive probe 1 of described object everywhere, thereby, cylinder only need be in the inside of cylinder-shaped bracket through once completing detection,
Preferably, described support 3 is columnar structured, on the inwall of support 3, offers push rod locating slot 4 along its circumferencial direction, and the stiff end of electric pushrod 2 is fixedly installed in push rod locating slot 4, and the push rod of electric pushrod 2, along the radially setting of support 3, is convenient to fixing electric pushrod 2;
Preferably, described magnetic sensitive probe 1 has two groups at least, the magnetic sensitive probe 1 of every group is uniformly distributed along same circumferencial direction, and the circumference that the magnetic sensitive probe 1 of every group forms is coaxial with the circumference that the magnetic sensitive probe 1 of other each groups forms, magnetic sensitive probe in every group 1 is along the circumferential direction interspersed with the magnetic sensitive probe 1 in other groups, makes that magnetic sensitive probe 1 is regular to be interspersed;
Preferably, between two adjacent groups magnetic sensitive probe 1, be provided with that between any two adjacent magnetic sensitive probes 1 of diamagnetism material 6(, to be all provided with diamagnetism material result better), prevent phase mutual interference between magnetic sensitive probe 1; .
Preferably, described electric pushrod 2 is uniformly distributed along the circumferencial direction of support 3, is fixedly installed correspondingly an electric pushrod 3 in each push rod locating slot 4, and the bottom of support 1 is fixedly installed organic block 5, makes device entirety comparatively firm.
Preferably, on magnetic sensitive probe 1, be also provided with stop 7, stop 7 is threaded with magnetic sensitive probe 1, and (stop 7 herein can be selected a gag lever post with level and smooth termination, simple in structure, easy to use), stop 7, for limiting the distance between push rod termination and the cylinder to be measured of electric pushrod 2, limits the distance between magnetic sensitive probe 1 and cylinder to be measured, ensures Effect on Detecting.
The using method of said apparatus is summarized as follows:
Cylinder to be checked is placed on to one end of columnar structured support 3, ensure that the two is coaxial as far as possible, adjust electric pushrod 2, make each magnetic sensitive probe 1 all in detecting the appropriate location (limiting the distance between magnetic sensitive probe 1 and cylinder to be checked by stop 7) of cylinder to be checked, controlling cylinder to be checked or support 3 makes the two do linear relative movement (cylinder to be checked relative motion in the through hole of support 3) along the axis direction of cylinder to be checked or support 3, thereby realizing the comprehensive magnetic memory to cylindrical shell to be checked detects, shorten sense cycle, improved detection efficiency.
In use, can keep the integral position of described device motionless, by the fixing cylinder to be checked of other devices, control cylinder to be checked ensure that through this process of support 2(cylinder to be checked is coaxial with columnar support 3 as far as possible, detect effect better), can realize the data acquisition of cylinder Non-Destructive Testing to be checked.
In said method, cylinder to be checked can be fixed by a bracing frame doing reciprocating linear motion, cylinder to be checked at least one end is fixed on support frame as described above, adjust the position between cylinder to be checked and support 3 by bracing frame again, on bracing frame, the fixed position place of cylinder to be checked can arrange suitable wheelwork, is convenient to control rotary drum to be checked.
Claims (7)
1. a multi-channel magnetic memory detection device, comprise magnetic sensitive probe (1), it is characterized in that: also comprise electric pushrod (2) and support (3), the stiff end of electric pushrod (2) is fixedly installed on support (3), electric pushrod (2) along the circumferential direction distributes on support (3), and the push rod termination of each electric pushrod (2) arranges towards the center of described circumference, the push rod end of each electric pushrod (2) is fixed with magnetic sensitive probe (1), magnetic sensitive probe (1) is interspersed along described circumferencial direction, and join end to end or partly overlap on described circumferencial direction along any two adjacent magnetic sensitive probes (1) on described circumferencial direction.
2. a kind of multi-channel magnetic memory detection device according to claim 1, it is characterized in that: described support (3) is for columnar structured, on the inwall of support (3), offer push rod locating slot (4) along its circumferencial direction, the stiff end of electric pushrod (2) is fixedly installed in push rod locating slot (4), and the push rod of electric pushrod (2) is along the radially setting of support (3).
3. a kind of multi-channel magnetic memory detection device according to claim 1, it is characterized in that: described magnetic sensitive probe (1) has two groups at least, the magnetic sensitive probe (1) of every group is uniformly distributed along same circumferencial direction, and the circumference that the magnetic sensitive probe of every group (1) forms is coaxial with the circumference that the magnetic sensitive probe (1) of other groups forms, the magnetic sensitive probe (1) in every group is along the circumferential direction interspersed with the magnetic sensitive probe (1) in other groups.
4. a kind of multi-channel magnetic memory detection device according to claim 3, is characterized in that: between two adjacent groups magnetic sensitive probe (1), be provided with diamagnetism material (6).
5. a kind of multi-channel magnetic memory detection device according to claim 2, it is characterized in that: described electric pushrod (2) is uniformly distributed along the circumferencial direction of support (3), in each push rod locating slot (4), be fixedly installed correspondingly an electric pushrod (3).
6. a kind of multi-channel magnetic memory detection device according to claim 1, is characterized in that: the bottom of described support (1) is fixedly installed organic block (5).
7. a kind of multi-channel magnetic memory detection device according to claim 1, is characterized in that: on magnetic sensitive probe (1), be also provided with stop (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410441077.2A CN104181226B (en) | 2014-09-02 | 2014-09-02 | A kind of multi-channel magnetic memory detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410441077.2A CN104181226B (en) | 2014-09-02 | 2014-09-02 | A kind of multi-channel magnetic memory detection device |
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| Publication Number | Publication Date |
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| CN104181226A true CN104181226A (en) | 2014-12-03 |
| CN104181226B CN104181226B (en) | 2018-04-06 |
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| CN201410441077.2A Expired - Fee Related CN104181226B (en) | 2014-09-02 | 2014-09-02 | A kind of multi-channel magnetic memory detection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104597117A (en) * | 2015-01-09 | 2015-05-06 | 贵州省机电研究设计院 | Multi-probe magnetic memory detection grid |
| CN109725052A (en) * | 2019-01-31 | 2019-05-07 | 合肥中大检测技术有限公司 | The supporting mechanism of Magnetosensitive sensor array and steel pipe longitudinal defect leakage magnetic detection device |
| CN113804748A (en) * | 2021-09-08 | 2021-12-17 | 天津力诚科技服务有限公司 | Magnetic memory bridge cable detection device |
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| US3048826A (en) * | 1960-12-30 | 1962-08-07 | Bell Telephone Labor Inc | Magnetic memory array |
| CN101251512A (en) * | 2008-04-03 | 2008-08-27 | 合肥工业大学 | Portable steady magnetic field jackrod mass detecting instrument |
| CN201867392U (en) * | 2010-11-08 | 2011-06-15 | 中国石油大学(北京) | Device capable of detecting interior of pipe fitting |
| CN102997885A (en) * | 2012-11-27 | 2013-03-27 | 安徽工业大学 | Gap detection device of large slewing bearing |
| CN203053918U (en) * | 2012-12-07 | 2013-07-10 | 中国石油天然气集团公司 | Slush pump air dome scanning and detecting device based on magnetic memory effect |
| CN103604862A (en) * | 2013-11-28 | 2014-02-26 | 中国石油大学(北京) | Portable device for detecting flaws of straight pipe and bent pipe of high pressure manifold |
| CN204065019U (en) * | 2014-09-02 | 2014-12-31 | 贵州省机电研究设计院 | A kind of multi-channel magnetic memory detection device |
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2014
- 2014-09-02 CN CN201410441077.2A patent/CN104181226B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3048826A (en) * | 1960-12-30 | 1962-08-07 | Bell Telephone Labor Inc | Magnetic memory array |
| CN101251512A (en) * | 2008-04-03 | 2008-08-27 | 合肥工业大学 | Portable steady magnetic field jackrod mass detecting instrument |
| CN201867392U (en) * | 2010-11-08 | 2011-06-15 | 中国石油大学(北京) | Device capable of detecting interior of pipe fitting |
| CN102997885A (en) * | 2012-11-27 | 2013-03-27 | 安徽工业大学 | Gap detection device of large slewing bearing |
| CN203053918U (en) * | 2012-12-07 | 2013-07-10 | 中国石油天然气集团公司 | Slush pump air dome scanning and detecting device based on magnetic memory effect |
| CN103604862A (en) * | 2013-11-28 | 2014-02-26 | 中国石油大学(北京) | Portable device for detecting flaws of straight pipe and bent pipe of high pressure manifold |
| CN204065019U (en) * | 2014-09-02 | 2014-12-31 | 贵州省机电研究设计院 | A kind of multi-channel magnetic memory detection device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104597117A (en) * | 2015-01-09 | 2015-05-06 | 贵州省机电研究设计院 | Multi-probe magnetic memory detection grid |
| CN104597117B (en) * | 2015-01-09 | 2017-12-19 | 贵州省机电研究设计院 | A kind of Multi probe Magnetic memory testing grid |
| CN109725052A (en) * | 2019-01-31 | 2019-05-07 | 合肥中大检测技术有限公司 | The supporting mechanism of Magnetosensitive sensor array and steel pipe longitudinal defect leakage magnetic detection device |
| CN109725052B (en) * | 2019-01-31 | 2023-08-25 | 合肥中大检测技术有限公司 | Support mechanism of magnetic sensor array and steel pipe longitudinal defect magnetic leakage detection device |
| CN113804748A (en) * | 2021-09-08 | 2021-12-17 | 天津力诚科技服务有限公司 | Magnetic memory bridge cable detection device |
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| CN104181226B (en) | 2018-04-06 |
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Granted publication date: 20180406 Termination date: 20200902 |