CN104816836A - Method for identifying tail rotor blade air bag types through air bag separating face traces - Google Patents
Method for identifying tail rotor blade air bag types through air bag separating face traces Download PDFInfo
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- CN104816836A CN104816836A CN201510230164.8A CN201510230164A CN104816836A CN 104816836 A CN104816836 A CN 104816836A CN 201510230164 A CN201510230164 A CN 201510230164A CN 104816836 A CN104816836 A CN 104816836A
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- air bag
- silica gel
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- tail rotor
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Abstract
The invention belongs to an auxiliary helicopter detection method, and particularly relates to a method for identifying tail rotor blade air bag types through air bag separating face traces. On the premise of not damaging tail rotor blades, by means of an existing inspection method, which one of French finished silica gel air bags, French tool self-manufactured silica gel gags and domestic tool self-manufactured silica gel air bags are used as the tail rotor blades can not be distinguished. Thus, the method for accurately identifying the air bag type on the premise of not damaging the tail rotor blades is needed. In order to go aground as quick as possible and avoiding great economic loss, which one of the French finished silica gel air bags, the French tool self-manufactured silica gel gags and the domestic tool self-manufactured silica gel air bags are used as silica gel air bags used for tail rotor blade forming needs to be identified and determined. By means of the method, the silica gel air bag state used for tail rotor blade forming can be easily, conveniently, visually, rapidly and accurately identified, the go-around requirement of users can be met to the maximum extent, the user aircraft attendance rate is increased, and completion of user flying tasks is ensured.
Description
Technical field
The invention belongs to the method for helicopter auxiliary detection, relate to a kind of method utilizing point capsule face vestige to differentiate tail-rotor leaf airbag types particularly.
Background technology
Tail-rotor leaf by flexible beam, oversleeve and airfoil section three part form.The core component of tail-rotor is flexible beam, and it, is fixed on propeller hub by two panels tail-rotor leaf Opposite direction connection together, and forms the crossbeam of tail-rotor leaf airfoil section by it.Oversleeve there is a flange be embossed in together.
Criticize for checking tail-rotor leaf and produce product design conformability, carried out tail-rotor leaf and criticized the work of product sampling observation life test.Because certain batch experiment part the tail-rotor leaf withdraw from use that premature degradation makes follow-up delivery occurs when test 0.5 ten thousand times, have impact on and take a flight test and payment work.
By checking, analyzing, get rid of, particularly to silica gel airbag types difference analysis and checking, think that the silica gel airbag types difference in tail-rotor leaf forming process can cause 480 section compression molding states to change (using domestic frock to make the shaping tail-rotor leaf of silica gel air bag by oneself).
Developing batch product from tail-rotor leaf, successively employ the silica gel air bag of three state, is French finished product silica gel air bag, French frock self-control silica gel air bag, domestic frock self-control silica gel air bag respectively.
It is completely the same that France's finished product silica gel air bag and French frock make silica gel air bag comparison check shape by oneself, and thickness, length, material there are differences.
France's finished product silica gel air bag and domestic frock make silica gel air bag comparison check shape by oneself, thickness, length, material all there are differences.
Tail paddle molding frock is a set of, therefore tail-rotor leaf profile is consistent, utilizes the current method of inspection cannot distinguish tail-rotor leaf and use French finished product silica gel air bag, French frock to make silica gel air bag or domestic frock self-control silica gel air bag by oneself under the prerequisite not destroying tail-rotor leaf.So, accurately differentiate the method for airbag types under needing a kind of prerequisite not destroying tail-rotor leaf.
Summary of the invention
In order to go around as early as possible, avoid causing tremendous economic to lose, need to differentiate to determine that the silica gel air bag that tail paddle molding uses is which kind of state (French finished product silica gel air bag, French frock self-control silica gel air bag, domestic frock self-control silica gel air bag).
The invention provides a kind of method utilizing point capsule face vestige to differentiate tail paddle molding airbag types, the shaping air bag that different tail-rotor leaf adopts when shaping is different, there is different air bags and divide capsule face, the method utilizes the air bag of endoscopy tail-rotor leaf oversleeve posterior marginal zone to divide capsule face, by observing the vestige position in point capsule face, the type of the silica gel air bag that tail-rotor leaf uses in forming process can be judged.
Distinguish vestige position, capsule face by endoscope to tail-rotor leaf oversleeve trailing edge to check, at Z490 section place posterior border position, point capsule face vestige the corresponding center line inclined tail-rotor leaf top airfoil position (posterior border position is more obvious) of flexible beam be French finished bag, the shaping tail-rotor leaf of French frock self-control air bag; Capsule face vestige is divided to be the shaping tail-rotor leaf of domestic air bag in the corresponding center line inclined tail-rotor leaf lower aerofoil position of flexible beam.
Advantage of the present invention is:
1, can identify by the method the state that tail paddle molding uses silica gel air bag simple and direct, intuitively, fast and accurately.
2, by the method, enable some tail-rotor leaves recover to use, avoid scrapping of tail-rotor leaf, reduce the loss more than 5,000 ten thousand yuan, promote economic benefit.
3, user can be met to greatest extent by the method to go around requirement, improve user's aircraft operational readiness, ensure that completing of user's aerial mission.
Detailed description of the invention
Method is for finished bag, and be divided into upper and lower two air bags, during use, upper and lower two air bags are involutory to be filled in flange.In Z490 section 4 position after France's finished bag is involutory, rear fate capsule face deflection top airfoil, tail-rotor leaf after shaping divides capsule face joint to clamp-on glue, a long 323mm gum deposit knurl vestige can be formed, this gum deposit knurl vestige deflection top airfoil from flange Z167 to Z490 section (tail-rotor leaf front and rear edge inside face).
Domestic frock self-control air bag, be divided into upper and lower two air bags, during use, upper and lower two air bags are involutory to be filled in flange.Domestic frock self-control air bag after involutory at Z490 section, rear fate capsule face deflection lower aerofoil, owing to clamp-oning glue at a point capsule face joint in tail-rotor leaf oversleeve after shaping, a long 323mm gum deposit knurl vestige can be formed, this gum deposit knurl vestige deflection lower aerofoil from flange Z167 to Z490 section (tail-rotor leaf front and rear edge inside face).
By the contrast of the involutory figure of French finished bag and the involutory figure of domestic frock self-control air bag digital-to-analogue, obviously can find out that French finished bag divides position, capsule face different with domestic frock self-control air bag, tail paddle molding airbag types can be distinguished.In actual inspection, adopt endoscope to can be observed the gum deposit knurl vestige of tail-rotor leaf front and rear edge inside face formation, by the gum deposit knurl vestige position formed, can differentiate that tail paddle molding air bag is French finished bag type or production domesticization airbag types.
Endoscopic instrument is introduced
Everest XLG3
tM series Industrial Inner endoscope system is current state-of-the-art indirect visual instrument in the world.Turbine engine can be obtained, fuselage, car engine, pipeline, boats and ships, windmill gear case, the inner in detail clearly image document such as submerged structure by XLG3 system.
By the illumination fiber optic bundle in probe, the illumination that 75W high brightness metal halide arc lamps in cabinet sends is mapped to the region that will observe.There is the first subject image of subminiature video camera to be converted to digital pictures at the end of probe, be transferred in main frame by probe.Image is shown again by hand-held set.Because XLG3 internal system has the optical focusing system of wide region, so need not focus.If system possesses measurement function, can also also measure local defect.
The multiple movable storage device of XLG3 system compatible: DVD, PC card, any mobile device based on USB interface and pcmcia interface.Can the QuickChange of pry head in quick-replaceable video independently
tMtechnology can change configuration rapidly and meet need of work to greatest extent.
Preparation before examination
Endoscopic instrument prepares, installation
1) lid and the Qianmen of chest is opened.
2) determine whether to want mobile host, if possible, main frame is stayed in chest.
3) reliability of power supply and ground connection is checked.
4) connect source of AC, or connect battery.If use source of AC, attaching plug is inserted into the outlet of 110V or 220V anacom.If use powered battery or standby, determine that battery is mounted.
5) turn on the power switch.
6) probe inserted is extracted out.
7) hand-held set is installed to handle
8) the object lens adapter that will use is installed.Then probe is stuck in foremost in the female clip of hand-held set.
9) if in the environment being full of dust use system, a dust boot is installed.Five lattice middle slip air filters on the porose shelf of band and shelf.
10) if use arbitrary external equipment and annex, on they are linked and packed.Tail-rotor leaf preparation before examination
1) make tail-rotor leaf lower aerofoil to be checked lie on platform to be checked upward, inspection platform places soft foam foam-rubber cushion and prevents tail-rotor leaf surface gouge.
2) inspection stamp mark in clear and definite tail-rotor leaf airfoil section, as inspection tail-rotor leaf home record point;
Supervisory personnel's training
The method belongs to unconventional tail Blade Inspection Method, for ensureing the accuracy checked, avoids the erroneous judgement occurring checking, before checking, reply supervisory personnel carries out theory and actual training.
Tail-rotor leaf checks
1) endoscope probe is extend into tail-rotor leaf trailing edge inside gradually along tail-rotor leaf trailing edge from oversleeve region, and observe Z490 profile position;
2) 180 ° are rotated endoscope probe, and make tail-rotor leaf trailing edge be imaged on leftward position, flexible beam is imaged on right positions;
3) endoscope probe is pulled back to oversleeve region gradually from the inner Z490 profile position of tail-rotor leaf trailing edge, and observe in the process of pulling back find after fate capsule face vestige, and to confirm;
4) along rear fate capsule face vestige, observe whether extend to Z490 profile position from oversleeve region, and confirm;
5) rotation gently regulates endoscope probe, ajusts picture position, and adjustment best angle, makes tail-rotor leaf trailing edge, flexible beam and Z490 section be imaged in same image, and make tail-rotor leaf trailing edge and flexible beam simultaneously blur-free imaging in the left and right sides;
6) contrast principle to judge, after checking tail-rotor leaf, whether fate capsule face vestige is in the corresponding center line aerofoil position on the upper side of flexible beam, and position is clear.
7) observe clear, the accurate location of vestige, surely live endoscope probe, keep picture, by endoscopic instrument freezing key freeze frame.
8), after freeze frame, press preservation key and determine to preserve.
Check conclusion
By utilizing endoscope to the inspection of vestige position, fate capsule face after tail-rotor leaf, after obviously can finding out tail-rotor leaf, fate capsule face vestige is in the corresponding center line aerofoil position on the upper side of flexible beam, accurately judges that tail paddle molding uses the state of silica gel air bag as French finished product silica gel air bag is shaping or French frock self-control silica gel air bag is shaping.
France's finished bag and domestic frock self-control air bag there are differences on contour structures, and after adopting, the state of tail-rotor leaf is distinguished in the position in fate capsule face is reasonable.
Claims (1)
1. the method utilizing point capsule face vestige to differentiate tail paddle molding airbag types, it is characterized in that: different according to the shaping air bag that different tail-rotor leaf adopts when shaping, there is different air bags and divide capsule face, the air bag of endoscopy tail-rotor leaf oversleeve posterior marginal zone is utilized to divide capsule face, by observing the vestige position in point capsule face, the type of the silica gel air bag that tail-rotor leaf uses in forming process can be judged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510230164.8A CN104816836A (en) | 2015-05-07 | 2015-05-07 | Method for identifying tail rotor blade air bag types through air bag separating face traces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510230164.8A CN104816836A (en) | 2015-05-07 | 2015-05-07 | Method for identifying tail rotor blade air bag types through air bag separating face traces |
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| CN104816836A true CN104816836A (en) | 2015-08-05 |
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| CN201510230164.8A Pending CN104816836A (en) | 2015-05-07 | 2015-05-07 | Method for identifying tail rotor blade air bag types through air bag separating face traces |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09127433A (en) * | 1995-11-06 | 1997-05-16 | Olympus Optical Co Ltd | Industrial endoscope |
| US20070132840A1 (en) * | 2005-12-13 | 2007-06-14 | Olympus Corporation | Endoscope device |
| CN102326003A (en) * | 2009-02-19 | 2012-01-18 | 涡轮梅坎公司 | Erosion indicator for compressor wheel |
| CN103597340A (en) * | 2011-02-28 | 2014-02-19 | 斯奈克玛 | Device for searching for defects on parts by endoscopy |
-
2015
- 2015-05-07 CN CN201510230164.8A patent/CN104816836A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09127433A (en) * | 1995-11-06 | 1997-05-16 | Olympus Optical Co Ltd | Industrial endoscope |
| US20070132840A1 (en) * | 2005-12-13 | 2007-06-14 | Olympus Corporation | Endoscope device |
| CN102326003A (en) * | 2009-02-19 | 2012-01-18 | 涡轮梅坎公司 | Erosion indicator for compressor wheel |
| CN103597340A (en) * | 2011-02-28 | 2014-02-19 | 斯奈克玛 | Device for searching for defects on parts by endoscopy |
Non-Patent Citations (2)
| Title |
|---|
| 叶宗林等: "精铸离心泵叶轮铸件内腔表面缺陷的分析与改进", 《特种铸造及有色合金》 * |
| 濮悦等: "工业设计在工业内窥镜产品中的应用和价值", 《玻璃纤维》 * |
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Application publication date: 20150805 |
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