CN210119467U - Portable magnetic particle flaw detector - Google Patents
Portable magnetic particle flaw detector Download PDFInfo
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- CN210119467U CN210119467U CN201920809519.2U CN201920809519U CN210119467U CN 210119467 U CN210119467 U CN 210119467U CN 201920809519 U CN201920809519 U CN 201920809519U CN 210119467 U CN210119467 U CN 210119467U
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Abstract
The utility model relates to the field of magnetic particle inspection equipment, in particular to a portable magnetic particle inspection machine, which comprises an inspection machine main body and probe assemblies arranged at two sides of the lower end of the inspection machine main body, wherein each probe assembly comprises a metal shaping hose and a metal yoke, one end of the metal shaping hose is connected with the inspection machine main body, the other end of the metal shaping hose is used for detachably mounting the metal yoke, and the metal yoke comprises a cylinder body provided with an inner hole and a plurality of probes which are telescopically arranged in the cylinder body; the utility model discloses a portable magnetic particle flaw detector adopts metal forming hose to connect the metal yoke, can adjust the detection angle of metal forming hose's bending angle with adjustment metal yoke as required to promote the suitability of defectoscope, avoid reducing and change probe assembly, reduce operator's intensity of labour, lifting efficiency.
Description
Technical Field
The utility model relates to a magnetic particle inspection equipment field, concretely relates to portable magnetic particle inspection machine.
Background
The magnetic powder flaw detection utilizes the interaction between the leakage magnetic field at the defect position of a workpiece and magnetic powder, and utilizes the difference between the magnetic permeability of the defect at the surface of a steel product and the magnetic permeability of the near-surface defect of the steel product, so that the magnetic field at the discontinuous position of the magnetized materials is distorted to form a leakage magnetic field on the surface of the workpiece at the leakage position of partial magnetic flux, thereby attracting the magnetic powder to form magnetic powder accumulation-magnetic marks at the defect position, displaying the position and the shape of the defect under proper illumination conditions, and observing and explaining the accumulation of the magnetic powder, thereby realizing the magnetic powder flaw detection.
The portable magnetic particle flaw detector adopts silicon controlled rectifier as a non-contact switch, and has the advantages of low noise, long service life, simple and convenient operation, strong applicability and stable work. The device is divided into an electromagnetic yoke flaw detector and a rotating magnetic field flaw detector according to a magnetization mode, and is divided into an alternating current type, a direct current type, an alternating current and direct current type and other magnetic powder flaw detectors according to current, a direct current power supply is a rechargeable battery, the device is suitable for field power-free field operation and field operation of containers, bridges, pipelines and the like which cannot enter under high voltage, and the continuous working time of one-time charging can reach more than 6 hours. The alternating current power supply adopts a 220V power supply to be directly input, other instruments are not required to be matched, and the instrument is convenient and simple to operate, light in weight and convenient to carry, so that the instrument is widely used; most of the existing portable magnetic particle flaw detectors have the problem of poor adaptability, probes need to be replaced on the surfaces of workpieces with complex detection, the labor intensity of operators is increased, and the detection efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve the technical scheme that above-mentioned problem adopted and provide a portable magnetic particle flaw detector, including the defectoscope main part and set up the probe assembly in defectoscope main part lower extreme both sides, probe assembly is including metal forming hose and metal yoke, the defectoscope main part is connected to metal forming hose's one end, and the other end is used for demountable installation metal yoke, metal yoke is including the barrel that is equipped with the hole and a plurality of probes of scalable setting in the barrel.
As a further improvement of the scheme, the inner hole of the cylinder is hexagonal.
As a further improvement of the scheme, the inner hole of the cylinder body is circular.
As a further improvement of the scheme, the middle of the probe is provided with an annular bulge, the cylinder is internally provided with a first blocking part and a second blocking part, the first blocking part is arranged at one end, close to the flaw detector main body, in the cylinder, an elastic part is arranged between the annular bulge and the first blocking part, and the annular bulge can move in an area between the first blocking part and the second blocking part.
As a further improvement of the scheme, the upper end face of the metal shaping hose is fixedly arranged on the flaw detector main body, and the lower end face of the metal shaping hose is connected with the metal magnetic yoke.
As a further improvement of the scheme, a metal magnetic yoke is further arranged between the flaw detector main body and the probe assembly, one end of the metal magnetic yoke is connected with an original probe of the flaw detector main body, and the other end of the metal magnetic yoke is inserted into the metal sizing hose.
As a further improvement of the above scheme, the metal yoke is in threaded connection with the metal shaped hose.
As a further improvement of the above scheme, the metal yoke is mounted on the metal shaping hose in a manner of fixing by a hoop.
As a further improvement of the scheme, the probe protrudes outwards from the end face of the cylinder body.
As a further improvement of the above aspect, the probe protrudes from both end surfaces of the cylindrical body.
The utility model has the advantages that: the utility model discloses a portable magnetic particle flaw detector adopts metal forming hose to connect the metal yoke, can adjust the bending angle of metal forming hose as required in order to adjust the detection angle of metal yoke to promote the suitability of defectoscope, avoid reducing and change probe assembly, reduce operator's intensity of labour, promote efficiency;
secondly, the metal magnetic yoke of the utility model is made of a plurality of telescopic probes, and can be more attached to the surface of the workpiece to be detected when the metal magnetic yoke is pressed and connected with the plane of the workpiece to be detected, so that the workpiece to be detected with a complex shape or uneven end surface can be used;
furthermore, metal yoke demountable installation is on metal design hose, and its convenient specification and size of changing metal yoke as required further promotes the suitability of defectoscope.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic structural diagram of a preferred embodiment of the portable magnetic particle flaw detector of the present invention;
FIG. 2 is a schematic structural diagram of another preferred embodiment of the portable magnetic particle flaw detector of the present invention;
fig. 3 is a structural sectional view of the metal yoke of the present invention;
fig. 4 is a bottom view of the preferred embodiment of the metal yoke of the present invention;
fig. 5 is a bottom view of another preferred embodiment of the metal yoke of the present invention.
Detailed Description
The invention will now be described in further detail with reference to the drawings and preferred embodiments.
As shown in fig. 1 and fig. 3, a portable magnetic particle flaw detector comprises a flaw detector main body 1 and probe assemblies disposed at two sides of the lower end of the flaw detector main body 1, wherein each probe assembly comprises a metal shaping hose 2 and a metal yoke 3, one end of the metal shaping hose 2 is fixedly connected with the flaw detector main body 1, the other end of the metal shaping hose 2 is used for detachably mounting the metal yoke 3, specifically, the metal yoke 3 comprises a cylinder 4 provided with an inner hole and a plurality of probes 5 telescopically disposed in the cylinder 4, an annular protrusion 8 is disposed at the middle part of the probe 5, the probe 5 and the annular protrusion 8 can be integrally formed, a first blocking part 6 and a second blocking part 7 are disposed in the cylinder 4, the first blocking part 6 is disposed at one end close to the flaw detector main body 1 in the same body, an elastic member 9 is disposed between the annular protrusion 8 and the first blocking part 6, the annular protrusion 8 can move in an area between the first blocking part 6 and the second blocking part 7, furthermore, the elastic element 9 may be a spring, the first blocking portion 6 and the second blocking portion 7 may be disposed in the cylinder 4 by welding, and the second blocking portion 7 is provided with a through hole which is larger than the head of the probe 5 and blocks the annular protrusion 8 from passing through.
As a further improvement of the above solution, as shown in fig. 1, the upper end surface of the metal shaped hose 2 is fixedly mounted on the flaw detector main body 1, and the lower end surface is connected to the metal yoke 3, in this case, the detection angle of the metal yoke 3 can be adjusted by adjusting the bending angle of the whole metal shaped hose 2.
As a further improvement of the above scheme, as shown in fig. 2, a metal magnetic yoke 3 is further arranged between the flaw detector main body 1 and the probe assembly, one end of the metal magnetic yoke 3 is connected with an original probe of the flaw detector main body 1, the other end of the metal magnetic yoke 3 is inserted into the metal shaping hose 2, a threaded hole is formed in the outer side of the metal magnetic yoke 3, the probe assembly can be connected with a commonly-used flaw detector on the market through the metal magnetic yoke 3, that is, the original probe of the flaw detector is inserted into the metal magnetic yoke 3, a probe 5 in the metal magnetic yoke 3 is abutted and retracted into a barrel 4, so that the original probe is ensured to be stably contacted and conducted with the metal magnetic yoke 3, and then the original probe is fixed with the metal magnetic yoke; in this embodiment, probe assembly can be applicable to the defectoscope commonly used on the market passes through 3 installation of metal yoke this probe assembly in order to can survey complicated detection face, promotes the practicality of defectoscope.
Further, as shown in fig. 4 and 5, the inner hole of the cylinder 4 may be hexagonal, circular, etc., and the shape or size of the probe may be selected according to actual needs.
As a further improvement of the scheme, the probe 5 protrudes outwards from the end face of the cylinder 4, and the probe can be inserted into or pressed in a concave or groove of the plane to be detected, so that the applicability of the flaw detector is further improved.
As a further improvement of the above scheme, the probes 5 protrude from two end faces of the cylinder 4, at this time, both the upper end and the lower end of the metal yoke 3 can be used as probe end faces, and the metal yoke 3 can be fixed with the metal shaping hose 2 from the side face of the metal yoke 3 by adopting a hoop structure.
It should be noted that, in this embodiment, the metal shaped hose 2 and the metal yoke 3 are both made of an electrically conductive ferromagnetic material, and the metal yoke 3 is contacted and mounted on the metal shaped hose 2 to achieve conduction.
It should be noted that the metal shaped hose 2 is a composite metal tube formed by winding and coating a metal spring steel wire and a galvanized iron wire or other metal wire, has a spiral thread outside the hollow, and is a hose capable of being bent into a certain shape at will in a three-dimensional space and maintaining the shape, which is called a gooseneck, a serpentine tube or a universal tube.
Above, only the preferred embodiment of the present invention has been described, the present invention is not limited to the above embodiment, and the technical effects of the present invention can be achieved by the same means, which all belong to the protection scope of the present invention.
Claims (10)
1. The utility model provides a portable magnetic particle flaw detector, its characterized in that, including defectoscope main part (1) and the probe assembly of setting in defectoscope main part (1) lower extreme both sides, probe assembly is including metal forming hose (2) and metal yoke (3), defectoscope main part (1) is connected to the one end of metal forming hose (2), and the other end is used for demountable installation metal yoke (3), metal yoke (3) are including barrel (4) and the scalable a plurality of probes (5) of setting in barrel (4) that are equipped with the hole.
2. A portable magnetic particle flaw detector according to claim 1, wherein the inner bore of the cylinder (4) is hexagonal.
3. A portable magnetic particle flaw detector according to claim 1, wherein the inner bore of the cylinder (4) is circular.
4. The portable magnetic particle flaw detector of claim 1, wherein an annular protrusion (8) is arranged in the middle of the probe (5), a first blocking part (6) and a second blocking part (7) are arranged in the cylinder (4), the first blocking part (6) is arranged at one end of the cylinder (4) close to the flaw detector main body (1), an elastic part (9) is arranged between the annular protrusion (8) and the first blocking part (6), and the annular protrusion (8) can move in an area between the first blocking part (6) and the second blocking part (7).
5. The portable magnetic particle flaw detector of claim 1, wherein the upper end surface of the metal shaped hose (2) is fixedly arranged on the flaw detector body (1), and the lower end surface is connected with the metal magnetic yoke (3).
6. The portable magnetic particle flaw detector of claim 1, characterized in that a metal yoke (3) is further disposed between the flaw detector main body (1) and the probe assembly, one end of the metal yoke (3) is connected with an original probe of the flaw detector main body (1), and the other end is inserted into the metal sizing hose (2).
7. The portable magnetic particle flaw detector of claim 1, wherein the metal yoke (3) is in threaded connection with the metal sizing hose (2).
8. The portable magnetic particle flaw detector of claim 1, wherein the metal yoke (3) is mounted on the metal shaped hose (2) by means of hoop fixing.
9. The portable magnetic particle flaw detector of claim 1, wherein the probe (5) protrudes outward from the end face of the cylinder (4).
10. The portable magnetic particle flaw detector of claim 1, wherein the probes (5) protrude from both end faces of the cylinder (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920809519.2U CN210119467U (en) | 2019-05-30 | 2019-05-30 | Portable magnetic particle flaw detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920809519.2U CN210119467U (en) | 2019-05-30 | 2019-05-30 | Portable magnetic particle flaw detector |
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| Publication Number | Publication Date |
|---|---|
| CN210119467U true CN210119467U (en) | 2020-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920809519.2U Active CN210119467U (en) | 2019-05-30 | 2019-05-30 | Portable magnetic particle flaw detector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113655115A (en) * | 2021-07-21 | 2021-11-16 | 大唐东北电力试验研究院有限公司 | Telescopic alternating current magnetic yoke probe device |
| CN116626150A (en) * | 2023-07-24 | 2023-08-22 | 中兴海陆工程有限公司 | Conformal contact magnetic conduction device for magnetic particle inspection machine |
-
2019
- 2019-05-30 CN CN201920809519.2U patent/CN210119467U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113655115A (en) * | 2021-07-21 | 2021-11-16 | 大唐东北电力试验研究院有限公司 | Telescopic alternating current magnetic yoke probe device |
| CN116626150A (en) * | 2023-07-24 | 2023-08-22 | 中兴海陆工程有限公司 | Conformal contact magnetic conduction device for magnetic particle inspection machine |
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