CN204964444U - A magnetic particle testing frock for overlength pipe - Google Patents
A magnetic particle testing frock for overlength pipe Download PDFInfo
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- CN204964444U CN204964444U CN201520729188.3U CN201520729188U CN204964444U CN 204964444 U CN204964444 U CN 204964444U CN 201520729188 U CN201520729188 U CN 201520729188U CN 204964444 U CN204964444 U CN 204964444U
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- ring
- clamping semi
- left clamping
- semi
- insulating bar
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Abstract
The utility model belongs to the magnetic particle testing technique relates to a magnetic particle testing frock for overlength pipe. Its characterized in that: it comprises two connection electrode subassembly (1) that the structure is the same, two cable (2), two conducting block (3) and insulator spindle (4). The utility model provides a magnetic particle testing frock for overlength pipe when carrying out magnetic particle testing to the overlength molding die spare that exceedes 2500mm, has improved detection efficiency and detection quality.
Description
Technical field
The utility model belongs to Magnetic testing technology, relates to a kind of Magnetic testing frock for overlength pipe.
Background technology
Big-and-middle-sized workpiece generally uses stationary magnetic particle detector to detect, but can only reach 2500mm because the spacing of stationary magnetic particle detector holding electrode is maximum.So portable electric yoke must be adopted to carry out Magnetic testing for the super long type workpiece more than 2500mm, generally detection more than 200 times need be carried out.The method detection efficiency is low and easily produce leakage field because of the impact of electromagnetic yoke contact on magnetic trace, and detection sensitivity reduces greatly, have impact on Detection job.
Summary of the invention
The purpose of this utility model is: propose a kind of Magnetic testing frock for overlength pipe, so that when carrying out Magnetic testing to the super long type workpiece more than 2500mm, improves detection efficiency and Detection job.
The technical solution of the utility model is: a kind of Magnetic testing frock for overlength pipe, is characterized in that: it is made up of identical connecting electrode assembly 1, two cables 2, two conducting blocks 3 of two structures and insulating bar 4, connecting electrode assembly 1 is made up of left clamping semi-ring 1a, right clamping semi-ring 1b and fishbolt 1c, the profile of left clamping semi-ring 1a and right clamping semi-ring 1b and measure-alike, left clamping semi-ring 1a and the involutory rear formation of right clamping semi-ring 1b complete circle with step center pit 1d, the left port internal diameter of step center pit 1d is less than right output port internal diameter, the right output port internal diameter of step center pit 1d is less than the external diameter 0.05mm ~ 0.1mm of overlength pipe 6, the left clamping semi-ring auricle 1a1 radially stretched is had in the semicircle port of left clamping semi-ring 1a, left clamping semi-ring auricle 1a1 there is at least one threaded hole 1a2, right clamping semi-ring auricle 1b1 there is at least one bolt through-hole, the quantity of this bolt through-hole is equal with the quantity of left clamping semi-ring auricle 1a1 upper screwed hole 1a2 and position is corresponding, by fishbolt 1c by left clamping semi-ring 1a with right clamping semi-ring 1b is involutory is connected to form complete circle, conducting block 3 is copper plates, and one end of two cables 2 is welded as entirety with two conducting blocks 3 respectively, and the other end of two cables 2 is welded as entirety with two connecting electrode assemblies 1 respectively, insulating bar 4 is the rod members be made up of insulating material, insulating bar 4 is positioned at, between magnaflux two holding electrodes 5, a conducting block 3 is clipped between the holding electrode 5 and the left side of insulating bar 4 on the left side, and another conducting block 3 is clipped between the holding electrode 5 and the right side of insulating bar 4 on the right.
The utility model has the advantages that: propose a kind of Magnetic testing frock for overlength pipe, when Magnetic testing is carried out to the super long type workpiece more than 2500mm, improve detection efficiency and Detection job.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that the utility model carries out Magnetic testing.
Fig. 2 is the structural representation of connecting electrode assembly 1 in the utility model.
Fig. 3 is the structural representation of left clamping semi-ring 1a in the utility model.
Embodiment
Below the utility model is described in further details.See Fig. 1 to Fig. 3, a kind of Magnetic testing frock for overlength pipe, is characterized in that: it is made up of identical connecting electrode assembly 1, two cables 2, two conducting blocks 3 of two structures and insulating bar 4, connecting electrode assembly 1 is made up of left clamping semi-ring 1a, right clamping semi-ring 1b and fishbolt 1c, the profile of left clamping semi-ring 1a and right clamping semi-ring 1b and measure-alike, left clamping semi-ring 1a and the involutory rear formation of right clamping semi-ring 1b complete circle with step center pit 1d, the left port internal diameter of step center pit 1d is less than right output port internal diameter, the right output port internal diameter of step center pit 1d is less than the external diameter 0.05mm ~ 0.1mm of overlength pipe 6, the left clamping semi-ring auricle 1a1 radially stretched is had in the semicircle port of left clamping semi-ring 1a, left clamping semi-ring auricle 1a1 there is at least one threaded hole 1a2, right clamping semi-ring auricle 1b1 there is at least one bolt through-hole, the quantity of this bolt through-hole is equal with the quantity of left clamping semi-ring auricle 1a1 upper screwed hole 1a2 and position is corresponding, by fishbolt 1c by left clamping semi-ring 1a with right clamping semi-ring 1b is involutory is connected to form complete circle, conducting block 3 is copper plates, and one end of two cables 2 is welded as entirety with two conducting blocks 3 respectively, and the other end of two cables 2 is welded as entirety with two connecting electrode assemblies 1 respectively, insulating bar 4 is the rod members be made up of insulating material, insulating bar 4 is positioned at, between magnaflux two holding electrodes 5, a conducting block 3 is clipped between the holding electrode 5 and the left side of insulating bar 4 on the left side, and another conducting block 3 is clipped between the holding electrode 5 and the right side of insulating bar 4 on the right.
Principle of work of the present utility model is: what the Magnetic testing frock of the utility model overlength pipe adopted is that external cable axial current flow method detects, and directly exports from the holding electrode of fixed Magnetic testing equipment.Connecting electrode assembly is used to be equivalent to the holding electrode of magnaflux to extend.Adopt connecting electrode assembly to clamp overlength pipe, two end faces by overlength pipe are stuck in the step place in step center pit, use left and right clamping semi-ring, complete the fastening of overlength pipe by bolt.Adopt insulating bar by two copper sleeves and stationary magnetic particle detector two Electrode connection (centre collets clamp).Be equivalent to extend the distance between fixed Magnetic testing equipment holding electrode, and use insulating bar to ensure that part magnetization current there will not be distributary phenomenon.Without the need to the endless of equipment making, ensure that part can fully magnetize, improve detection sensitivity.
Embodiment
For running into the long 6000mm of certain type tubing in actual production, external diameter 150mm, use magnaflux not complete clamping, the work of whole magnetization, detection, demagnetization all cannot normally complete.Use portable magnaflux can not ensure Detection job again and detection efficiency is extremely low.
Adopt the utility model to detect this part, the right output port internal diameter of step center pit 1d is 149.95mm, and connecting electrode assembly completes smoothly for the clamping of this part.Complete magnetization, detection, demagnetization process afterwards, take into account test piece through great many of experiments with tesla, ensureing that magnetic field intensity is greater than 2.4KA/m, detection efficiency and quality improve all greatly.Prove that the utility model is successful, effective.
Claims (1)
1. for a Magnetic testing frock for overlength pipe, it is characterized in that: it is made up of the identical connecting electrode assembly (1) of two structures, two cables (2), two conducting blocks (3) and insulating bars (4), connecting electrode assembly (1) is made up of left clamping semi-ring (1a), right clamping semi-ring (1b) and fishbolt (1c), the profile of left clamping semi-ring (1a) and right clamping semi-ring (1b) and measure-alike, left clamping semi-ring (1a) and the involutory rear formation of right clamping semi-ring (1b) complete circle with step center pit (1d), the left port internal diameter of step center pit (1d) is less than right output port internal diameter, the right output port internal diameter of step center pit (1d) is less than the external diameter 0.05mm ~ 0.1mm of overlength pipe (6), the left clamping semi-ring auricle (1a1) of radially stretching is had in the semicircle port of left clamping semi-ring (1a), left clamping semi-ring auricle (1a1) there is at least one threaded hole (1a2), right clamping semi-ring auricle (1b1) there is at least one bolt through-hole, the quantity of this bolt through-hole is equal with the quantity of left clamping semi-ring auricle (1a1) upper screwed hole (1a2) and position is corresponding, by fishbolt (1c) by left clamping semi-ring (1a) with right clamping semi-ring (1b) is involutory is connected to form complete circle, conducting block (3) is a copper plate, one end of two cables (2) is welded as entirety with two conducting blocks (3) respectively, and the other end of two cables (2) is welded as entirety with 2 connecting electrode assemblies (1) respectively, insulating bar (4) is the rod member be made up of insulating material, insulating bar (4) is positioned at, between magnaflux two holding electrodes (5), conducting block (3) be clipped in be positioned at the left side between holding electrode (5) and the left side of insulating bar (4), another conducting block (3) be clipped in be positioned at the right between holding electrode (5) and the right side of insulating bar (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520729188.3U CN204964444U (en) | 2015-09-18 | 2015-09-18 | A magnetic particle testing frock for overlength pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520729188.3U CN204964444U (en) | 2015-09-18 | 2015-09-18 | A magnetic particle testing frock for overlength pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204964444U true CN204964444U (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520729188.3U Active CN204964444U (en) | 2015-09-18 | 2015-09-18 | A magnetic particle testing frock for overlength pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204964444U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111505111A (en) * | 2020-04-30 | 2020-08-07 | 中国航发成都发动机有限公司 | Magnetic powder detection device and method for annular part |
-
2015
- 2015-09-18 CN CN201520729188.3U patent/CN204964444U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111505111A (en) * | 2020-04-30 | 2020-08-07 | 中国航发成都发动机有限公司 | Magnetic powder detection device and method for annular part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 723213 Liulin Town, Chenggu County, Hanzhong City, Shaanxi Province Patentee after: Shaanxi Aircraft Industry Co.,Ltd. Address before: 723213 box 34, Hanzhoung, Shaanxi Patentee before: Shaanxi Aircraft INDUSTRY(GROUP) Co.,Ltd. |