CN210923570U - Magnetic particle testing center conductor method detection device - Google Patents
Magnetic particle testing center conductor method detection device Download PDFInfo
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- CN210923570U CN210923570U CN201921686780.4U CN201921686780U CN210923570U CN 210923570 U CN210923570 U CN 210923570U CN 201921686780 U CN201921686780 U CN 201921686780U CN 210923570 U CN210923570 U CN 210923570U
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- flexible cable
- central conductor
- magnetic particle
- insulating rod
- copper
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Abstract
The utility model relates to a magnetic particle testing central conductor method testing device, which comprises an insulating rod, a copper pole and a flexible cable which are connected in series end to end in sequence; the insulating rod is used for providing structural support for the flexible cable; the copper electrode is used for fixing the electrified end of the flexible cable and is in good contact with the electrode of the magnetic powder detection equipment so that current can pass through the flexible cable; the flexible cable is used as a central conductor and is used for conducting circumferential magnetic flaw detection in a powered mode. Compared with the prior art, the utility model discloses a flexible cable has solved the unable problem of buckling of bar copper as central conductor, and after the work piece was worn out to the cable, adopted the fixed cable end of polyethylene stick and magnetic particle flaw detector electrode good contact to the realization magnetizes and detects a flaw to the part, has solved the cylindrical part section of thick bamboo wall and has gone up the hole central conductor method problem of detecting a flaw, does not receive the part structure influence, and application scope is more conventional wide, the operation of being convenient for.
Description
Technical Field
The utility model relates to a hole class structure magnetic particle inspection technical field specifically is a magnetic particle inspection center conductor method detection device.
Background
The outer cylinder of the landing gear of a certain type of airplane is provided with three process holes for magnetic powder inspection, and the three process holes are positioned on the wall of the outer cylinder (as shown in figure 1). For hole structures, magnetic powder inspection generally adopts a copper bar as a central conductor, and the copper bar is electrified to circumferentially magnetize the hole wall so as to check whether cracks exist. However, no through hole structure exists on the wall of the outer cylinder opposite to the three process holes, so that the copper rod cannot penetrate through the workpiece to contact the magnetic powder flaw detector electrode for electrifying.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a magnetic particle testing center conductor method detection device, aim at provides a device that is used for a hole class structure to detect a flaw on section of thick bamboo type part section of thick bamboo wall to reach better effect of magnetizing, higher detection efficiency.
The utility model discloses the technical problem that will solve adopts following technical scheme to realize:
a magnetic particle testing central conductor method testing device comprises an insulating rod, a copper pole and a flexible cable which are sequentially connected in series end to end;
the insulating rod is used for providing structural support for the flexible cable;
the copper electrode is used for fixing the electrified end of the flexible cable and is in good contact with the electrode of the magnetic powder detection equipment so that current can pass through the flexible cable;
the flexible cable is used as a central conductor and is used for conducting circumferential magnetic flaw detection in a powered mode.
Furthermore, the insulating rod is formed by connecting and combining polyethylene rods through connecting bolts.
Furthermore, a through hole for the flexible cable power-on end to pass through and a half through hole for fixing the flexible cable power-on end by a bolt are formed in the copper pole.
The utility model has the advantages that:
compared with the prior art, the utility model discloses a flexible cable has solved the unable problem of buckling of bar copper as central conductor, and after the work piece was worn out to the cable, adopted the fixed cable end of polyethylene stick and magnetic particle flaw detector electrode good contact to the realization magnetizes and detects a flaw to the part, has solved the cylindrical part section of thick bamboo wall and has gone up the hole central conductor method problem of detecting a flaw, does not receive the part structure influence, and application scope is more conventional wide, the operation of being convenient for.
Drawings
The invention will be further described with reference to the following figures and examples:
FIG. 1 is a schematic structural view of a landing gear outer cylinder fabrication hole;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a schematic diagram of the cable passing through the wall hole of the outer cylinder according to the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and effects of the present invention easy to understand, the present invention will be further explained with reference to the accompanying drawings and embodiments.
As shown in figure 2, the magnetic particle testing central conductor method testing device comprises an insulating rod 1, a copper pole 2 and a flexible cable 3 which are sequentially connected in series end to end. The insulating rod 1 is mainly used for providing structural support for the flexible cable 3, the insulating rod 1 is formed by connecting and combining polyethylene rods with phi 50mm x 110mm through connecting bolts, the length of the insulating rod can be adjusted through the number of the connected polyethylene rods, and different lengths can be combined according to the detection requirements of different parts so as to facilitate detection. The copper electrode 2 is used for fixing the electrified end of the flexible cable 3 and is in good contact with the magnetic powder detection equipment electrode so that current passes through the flexible cable 3; the two copper electrodes 2 are fixed at two ends of the insulating rod 1, are insulated by the insulating rod and are not communicated with each other, each copper electrode 2 is provided with a through hole 4 with phi 10mm, and a semi-through hole 5 with phi 6mm is correspondingly arranged above the through hole 4. The through hole 4 is used for the flexible cable 3 to pass through, and the half through hole 5 is used for the bolt to fix the flexible cable 3 to pass through. The flexible cable 3 is used as a central conductor and is used for penetrating through a hole structure on a detected part (the penetrating mode is shown in figure 3), the flexible cable is magnetized in the circumferential direction after being electrified, and the flexible cable 3 is used as the central conductor and has the advantages that the diameter of the flexible cable is flexible and changeable, and different flexible cables can be designed and manufactured according to the size of the detected part.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and what is described in the specification are the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and these changes and modifications are intended to fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides a magnetic particle testing center conductor method detection device which characterized in that: comprises an insulating rod (1), a copper pole (2) and a flexible cable (3) which are connected in series end to end in sequence;
the insulating rod (1) is used for providing structural support for the flexible cable (3);
the copper electrode (2) is used for fixing the electrified end of the flexible cable (3) and is in good contact with the magnetic powder detection equipment electrode so that current can pass through the flexible cable (3);
the flexible cable (3) is used as a central conductor and is used for conducting circumferential magnetic flaw detection in a powered-on mode.
2. The magnetic particle testing central conductor method testing device of claim 1, characterized in that: the insulating rod (1) is formed by connecting and combining polyethylene rods through connecting bolts.
3. The magnetic particle testing central conductor method testing device of claim 1, characterized in that: and a through hole (4) for the passing of the power-on end of the flexible cable (3) and a semi-through hole (5) for fixing the power-on end of the flexible cable (3) by a bolt are formed in the copper pole (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921686780.4U CN210923570U (en) | 2019-10-10 | 2019-10-10 | Magnetic particle testing center conductor method detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921686780.4U CN210923570U (en) | 2019-10-10 | 2019-10-10 | Magnetic particle testing center conductor method detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210923570U true CN210923570U (en) | 2020-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921686780.4U Active CN210923570U (en) | 2019-10-10 | 2019-10-10 | Magnetic particle testing center conductor method detection device |
Country Status (1)
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| CN (1) | CN210923570U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112505137A (en) * | 2020-10-30 | 2021-03-16 | 哈尔滨飞机工业集团有限责任公司 | Magnetic particle detection method and tool for small-diameter through hole steel part |
-
2019
- 2019-10-10 CN CN201921686780.4U patent/CN210923570U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112505137A (en) * | 2020-10-30 | 2021-03-16 | 哈尔滨飞机工业集团有限责任公司 | Magnetic particle detection method and tool for small-diameter through hole steel part |
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