CN104122124B - A kind of local antiseepage guard method before not moving ring assembly fluoroscopic examination - Google Patents
A kind of local antiseepage guard method before not moving ring assembly fluoroscopic examination Download PDFInfo
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- CN104122124B CN104122124B CN201310145259.0A CN201310145259A CN104122124B CN 104122124 B CN104122124 B CN 104122124B CN 201310145259 A CN201310145259 A CN 201310145259A CN 104122124 B CN104122124 B CN 104122124B
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- Prior art keywords
- ring assembly
- moving ring
- machine oil
- fluoroscopic examination
- pin
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- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The invention belongs to part technical field of nondestructive testing, relate to the local antiseepage guard method before a kind of not moving ring assembly fluoroscopic examination.The present invention comprises the following steps: 1.1) make special tooling for not moving ring assembly；1.2) lower part at special tooling is coated with and spreads machine oil, is threaded in hole by pin, the machine oil wiped clean at edge；1.3) otch and faying face at not moving ring assembly smear machine oil；1.4) to detection position with after volatile solvent scouring, the localized fluorescence detection of assembly can be carried out.The present invention, by using machine oil to carry out special protection 18 screw thread mouths, four otch and faying face, makes penetrating agent cannot penetrate into wherein, it is ensured that quality；In the present invention, special tool is loaded onto part and is designed as frustum, and wiping is easily observed conveniently, improves detection efficiency and accuracy rate.
Description
Technical field
The invention belongs to part technical field of nondestructive testing, relate to the local antiseepage before a kind of not moving ring assembly fluoroscopic examination
Guard method.
Background technology
Moving ring assembly is not the connector that aircraft upper machine body connects propeller, and its structure is as it is shown in figure 1, not moving ring assembly
Being that two rings are assembled together up and down, the detail of its detection faces is: 1. there are 18 diameters at detection position in upper surface
The screwed hole of only ф 5mm, need not detection inside 18 holes；2. side is the faying face of two rings, faying face
On have four otch, need protection, it is impossible to allow penetrating agent penetrate into faying face and otch.
Moving ring assembly does not carries out fluorescent penetrant detection, there is a series of technology difficult compared with the conventional Liquid penetrant testing of part
Point: 1) need the interface not allowing access into penetrating agent is protected, but at present according to external file specialty tape
It is unable to reach effect；2) requirement before the cleaning at detection position disclosure satisfy that Liquid penetrant testing；3) 18 screwed hole limits
It is too many that edge returns the penetrating agent oozed, the judgement of interference display, thus have impact on the judgement of testing result.
Summary of the invention
The technical problem to be solved is: provide the localised protection side before a kind of not moving ring assembly fluoroscopic examination
Method, solves to protect a halfway difficult problem, it is to avoid penetration material enters faying face and causes corrosion, avoids screwed hole simultaneously
Return and ooze material and disturb the judgement of result too much, improve detection efficiency and the accuracy rate of result.
The technical scheme is that a kind of localised protection method before not moving ring assembly fluoroscopic examination, it is characterized by institute
State localised protection method to comprise the following steps:
1.1) making special tooling for not moving ring assembly, described special tooling is a pin, is divided into upper and lower two parts,
Upper part is frustum, and lower part is with externally threaded cylinder, the screwed hole phase of the external screw thread of pin and not moving ring assembly
Coordinate；
1.2) lower part at special tooling is coated with and spreads machine oil, is threaded in hole by pin, the machine oil wiping at edge
Totally；
1.3) otch and faying face at not moving ring assembly smear machine oil；
1.4) to detection position with after volatile solvent scouring, the localized fluorescence detection of assembly can be carried out.
The invention has the beneficial effects as follows: the local antiseepage guard method before the present invention not moving ring assembly fluoroscopic examination, pass through
Use machine oil to carry out special protection 18 screw thread mouths, four otch and faying face, make penetrating agent cannot penetrate into it
In, it is ensured that quality；In the present invention, special tool is loaded onto part and is designed as frustum, and wiping is easily observed conveniently, improves
Detection efficiency and accuracy rate.
Accompanying drawing explanation
Fig. 1 is the structure of not moving ring assembly in the local antiseepage guard method before the present invention not moving ring assembly fluoroscopic examination
Schematic diagram；
Fig. 2 is that in the local antiseepage guard method before the present invention not moving ring assembly fluoroscopic examination, the structure of special tooling is shown
It is intended to；
Wherein, 1-otch, 2-screwed hole, 3-faying face.
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described further.
Local antiseepage guard method before the present invention not moving ring assembly fluoroscopic examination, comprises the steps:
1.1) frock is made:
See Fig. 2, for the screwed hole 2 of the not a diameter of ф 5mm of moving ring assembly 18, make a kind of special shape
Pin, material is preferably duroplasts, upper and lower two parts, and upper part is frustum, and lower part must be with external screw thread
Cylinder, the diameter of frock lower part and the diameter compatible set of screwed hole, the screwed hole 2 of external screw thread and not moving ring assembly
Match.
1.2) mounting tool:
Being threaded connection after heavy-bodied oil is touched on the top of pin and clog 18 screwed holes 2, machine oil can be in the mistake tightened
Journey seals the space of pin and screwed hole 2, then wipes, with rag, the machine oil that edge is unnecessary, in order to the limit in detection hole
Edge.Do so effect is the best, needs area to be protected not infilter any penetrating agent, and the edge in 18 holes
Too many interference is not had to show, it is easy to judge.Frock upper part is designed as frustum, is beneficial to the cleaning after infiltration, empty
False display is few, improves judgement rate.
1.3) heavy-bodied oil is smeared at protection position:
For faying face 3 and four otch 1 of two parts, utilize the principle that oil is incompatible with water-washing type penetrating agent,
Smearing last layer and compare the machine oil of thickness, use and the following process of part are had no adverse effects by this machine oil.This side
Method is sprayed paint with adhesive tape protection more effectively fruit than commonly using both at home and abroad at present.
1.4) detection of part:
To detection position with after volatile solvent scouring, the localized fluorescence detection of assembly can be carried out.
Claims (1)
1. a not localised protection method before moving ring assembly fluoroscopic examination, is characterized by described localised protection method bag
Include following steps:
1.1) making special tooling for not moving ring assembly, described special tooling is a pin, is divided into upper and lower two parts,
Upper part is frustum, and lower part is with externally threaded cylinder, the screwed hole phase of the external screw thread of pin and not moving ring assembly
Coordinate；
1.2) lower part at special tooling is coated with and spreads machine oil, is threaded in hole by pin, the machine oil wiping at edge
Totally；
1.3) otch and faying face at not moving ring assembly smear machine oil；
1.4) to detection position with after volatile solvent scouring, the localized fluorescence detection of assembly can be carried out；Described
Penetrating agent used by fluoroscopic examination is water-washing type penetrating agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310145259.0A CN104122124B (en) | 2013-04-24 | 2013-04-24 | A kind of local antiseepage guard method before not moving ring assembly fluoroscopic examination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310145259.0A CN104122124B (en) | 2013-04-24 | 2013-04-24 | A kind of local antiseepage guard method before not moving ring assembly fluoroscopic examination |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104122124A CN104122124A (en) | 2014-10-29 |
| CN104122124B true CN104122124B (en) | 2016-09-14 |
Family
ID=51767625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310145259.0A Expired - Fee Related CN104122124B (en) | 2013-04-24 | 2013-04-24 | A kind of local antiseepage guard method before not moving ring assembly fluoroscopic examination |
Country Status (1)
| Country | Link |
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| CN (1) | CN104122124B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4621193A (en) * | 1984-11-21 | 1986-11-04 | Michael Van Hoye | Fluorescent penetrant crack detection |
| CN101887031A (en) * | 2009-05-12 | 2010-11-17 | 中国商用飞机有限责任公司 | Fluorescent penetrant detecting method |
| CN102466644A (en) * | 2010-11-19 | 2012-05-23 | 江苏瑞特回转支承有限公司 | Penetration flaw detection method for opening defects on surface of workpiece |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5940150A (en) * | 1982-08-30 | 1984-03-05 | Tokushu Toryo Kk | Penetrant for fluorescent penetrant inspection and fluorescent penetrant inspecting method |
| JPS6168544A (en) * | 1984-09-11 | 1986-04-08 | Toyota Motor Corp | Fluorescent flaw detection for ceramic product |
-
2013
- 2013-04-24 CN CN201310145259.0A patent/CN104122124B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4621193A (en) * | 1984-11-21 | 1986-11-04 | Michael Van Hoye | Fluorescent penetrant crack detection |
| CN101887031A (en) * | 2009-05-12 | 2010-11-17 | 中国商用飞机有限责任公司 | Fluorescent penetrant detecting method |
| CN102466644A (en) * | 2010-11-19 | 2012-05-23 | 江苏瑞特回转支承有限公司 | Penetration flaw detection method for opening defects on surface of workpiece |
Non-Patent Citations (3)
| Title |
|---|
| 某型前机匣荧光透射检测工艺研究;戴雪梅 等;《第十届全国磁粉渗透检测技术年会》;20111231;第175-178页 * |
| 某型高压涡轮工作叶片的荧光渗透检测工艺改进及细化;苏清风 等;《无损探伤》;20100630;第34卷(第3期);第30-32页 * |
| 荧光渗透检测在航空发动机研制阶段的应用;戴雪梅 等;《铸造》;20111031;第60卷(第10期);第994-997页 * |
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|---|---|
| CN104122124A (en) | 2014-10-29 |
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Granted publication date: 20160914 Termination date: 20170424 |
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| CF01 | Termination of patent right due to non-payment of annual fee |