CN105486484A - Pylon pitching modal simulation device suitable to be used for flutter wind tunnel model - Google Patents
Pylon pitching modal simulation device suitable to be used for flutter wind tunnel model Download PDFInfo
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- CN105486484A CN105486484A CN201410535715.7A CN201410535715A CN105486484A CN 105486484 A CN105486484 A CN 105486484A CN 201410535715 A CN201410535715 A CN 201410535715A CN 105486484 A CN105486484 A CN 105486484A
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- pitching
- spring leaf
- hanger
- pylon
- adjusting screw
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Abstract
The invention provides a pylon pitching modal simulation device suitable to be used for a flutter wind tunnel model. The device is characterized by comprising a pylon beam (1), a pitching supporting arm (2), an outer suspended beam (3), a pitching rotating shaft (4), a spring piece adjusting screw rod (5), a pitching spring piece (6), pylon attachment joints (7), and a spar frame (8). The pylon beam (1) is fixed on the spar frame (8) through the pylon attachment joints (7). The upper part of the pitching supporting arm (2) is connected with the pylon beam (1) through bolts. The lower part of the pitching supporting arm (2) is connected with the outer suspended beam (3) through the pitching rotating shaft (4). The outer suspended beam (3) can rotate around the pitching rotating shaft (4). The pitching spring piece (6) is connected with the pylon beam (1) and the outer suspended beam (3) through the spring piece adjusting screw rod (5). The spring piece adjusting screw rod (5) adjusts positions of the pitching spring piece (6).
Description
Technical field
The invention belongs to aeroelastic effect test technical field, particularly relate to a kind of hanger pitching mode analogue means being applicable to flutter wind tunnel model.
Background technology
The store Combinations of aircraft wing is comparatively large on the impact of flutter of aerofoil, the engine of such as transporter, the various guided missile entrained by fighter plane and auxiliary fuel tank.The mode (pitching, driftage, side are put down) of store Combinations, particularly pitching mode, often participate in the flutter of wing, usually during design flutter model, all can require the mode simulating store Combinations, especially pitching mode, taked the form simulation combining roof beam structure plug-in in the past, and plug-in pitching mode and other two mode will be caused to produce coupling, bring difficulty to modal identification, want the plug-in frequency of adjustment model, just must change whole plug-in roof beam structure.
Summary of the invention
The object of the invention is: provide a kind of hanger pitching mode analogue means being applicable to flutter wind tunnel model, when carrying out wing with store flutter test, the present invention can simulate the pitching model of store Combinations, and can adjust the pitching frequency of store Combinations at random.
Technical scheme of the present invention is: a kind of hanger pitching mode analogue means being applicable to flutter wind tunnel model, it is characterized in that, comprise: hanger beam [1], pitching support arm [2], support strut [3], pitching turning axle [4], spring leaf adjusting screw(rod) [5], pitching spring leaf [6], hanger jointing [7], spar frame [8]
Hanger beam [1] is fixed on spar frame [8] by hanger jointing [7], pitching support arm [2] top is connected with hanger beam [1] by bolt, pitching support arm [2] bottom is connected with support strut [3] by pitching turning axle [4], support strut [3] can rotate around pitching turning axle 4
Pitching spring leaf [6] is connected with support strut [3] with hanger beam [1] respectively by spring leaf adjusting screw(rod) [5], regulates pitching spring leaf [6] position by spring leaf adjusting screw(rod) [5].
Further, pitching turning axle [4] is connected to the centre of gravity place of support strut [3].
Further, pitching spring leaf [6] is U-shaped spring leaf.
Advantage of the present invention is: the present invention simulates the rigidity of the pitch orientation of plug-in model by one group of bearing and spring leaf, thus realize the decoupling zero of plug-in model pitch orientation rigidity and other both direction rigidity, and just can adjust plug-in pitching frequency by changing spring leaf, reduce model installation difficulty, save experimentation cost and debug time.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is close-up schematic view of the present invention;
Wherein, 1-hanger beam, 2-pitching support arm, 3-support strut, 4-pitching turning axle, 5-spring leaf adjusting screw(rod), 6-pitching spring leaf, 7-hanger jointing, 8-spar frame.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail, refers to Fig. 1 to Fig. 2.
Be applicable to a hanger pitching mode analogue means for flutter wind tunnel model, it is characterized in that, comprising: hanger beam 1, pitching support arm 2, support strut 3, pitching turning axle 4, spring leaf adjusting screw(rod) 5, pitching spring leaf 6, hanger jointing 7, spar frame 8,
Hanger beam 1 is fixed on spar frame 8 by hanger jointing 7, and pitching support arm 2 top is connected with hanger beam 1 by bolt, and pitching support arm 2 bottom is connected with support strut 3 by pitching turning axle 4, and pitching turning axle 4 is connected to the centre of gravity place of support strut 3.Support strut 3 can rotate around pitching turning axle 4, and this just can simulate plug-in pitching mode, and pitch stiffness is then provided by pitching spring leaf 6.Pitching spring leaf 6 is U-shaped spring leaf.Pitching spring leaf 6 is connected with support strut 3 with hanger beam 1 respectively by spring leaf adjusting screw(rod) 5, regulates pitching spring leaf 6 position, fixed the position of pitching spring leaf 6 by the bolt on spring leaf adjusting screw(rod) 5 by spring leaf adjusting screw(rod) 5.When needing the pitching frequency adjusting support strut 3, first the bolt on spring leaf adjusting screw(rod) 5 is unloaded, change pitching spring leaf 6.
Claims (3)
1. one kind is applicable to the hanger pitching mode analogue means of flutter wind tunnel model, it is characterized in that, comprise: hanger beam [1], pitching support arm [2], support strut [3], pitching turning axle [4], spring leaf adjusting screw(rod) [5], pitching spring leaf [6], hanger jointing [7], spar frame [8]
Hanger beam [1] is fixed on spar frame [8] by hanger jointing [7], pitching support arm [2] top is connected with hanger beam [1] by bolt, pitching support arm [2] bottom is connected with support strut [3] by pitching turning axle [4], support strut [3] can rotate around pitching turning axle [4]
Pitching spring leaf [6] is connected with support strut [3] with hanger beam [1] respectively by spring leaf adjusting screw(rod) [5], regulates pitching spring leaf [6] position by spring leaf adjusting screw(rod) [5].
2. the hanger pitching mode analogue means being applicable to flutter wind tunnel model according to claim 1, it is characterized in that, pitching turning axle [4] is connected to the centre of gravity place of support strut [3].
3. the hanger pitching mode analogue means being applicable to flutter wind tunnel model according to claim 1, it is characterized in that, pitching spring leaf [6] is U-shaped spring leaf.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410535715.7A CN105486484B (en) | 2014-10-11 | 2014-10-11 | A kind of hanger pitching mode analogue means suitable for flutter wind tunnel model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410535715.7A CN105486484B (en) | 2014-10-11 | 2014-10-11 | A kind of hanger pitching mode analogue means suitable for flutter wind tunnel model |
Publications (2)
| Publication Number | Publication Date |
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| CN105486484A true CN105486484A (en) | 2016-04-13 |
| CN105486484B CN105486484B (en) | 2017-11-28 |
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| CN201410535715.7A Active CN105486484B (en) | 2014-10-11 | 2014-10-11 | A kind of hanger pitching mode analogue means suitable for flutter wind tunnel model |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226025A (en) * | 2016-07-05 | 2016-12-14 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of wing store Combinations flutter wind tunnel analog |
| CN106741961A (en) * | 2016-11-30 | 2017-05-31 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of aircraft hanger |
| CN107902105A (en) * | 2017-09-27 | 2018-04-13 | 西北工业大学 | The apparatus and method for connecing strength reliability for simulating airborne battery |
| CN112014063A (en) * | 2020-11-02 | 2020-12-01 | 中国空气动力研究与发展中心低速空气动力研究所 | A stores pylon for wind-tunnel test |
| CN113532785A (en) * | 2021-08-08 | 2021-10-22 | 中国航空工业集团公司沈阳飞机设计研究所 | Dynamic control device for simulating suspension stiffness of external hanging object under flutter wind tunnel test wing |
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| JP3472835B2 (en) * | 2001-11-26 | 2003-12-02 | 防衛庁技術研究本部長 | Dynamic wind tunnel test equipment |
| CN201724807U (en) * | 2010-02-26 | 2011-01-26 | 中国航空工业集团公司西安飞机设计研究所 | Connector for horizontal stabilizer and vertical stabilizer of flutter model |
| CN102095566A (en) * | 2009-12-11 | 2011-06-15 | 中国航空工业空气动力研究院 | Forced pitching-free yawing wind tunnel test device |
| CN202599637U (en) * | 2012-05-11 | 2012-12-12 | 中国航空工业集团公司西安飞机设计研究所 | Gesture adjusting mechanism of T-tail flutter model |
| US8527247B1 (en) * | 2008-03-20 | 2013-09-03 | Sandia Corporation | Nonlinear power flow feedback control for improved stability and performance of airfoil sections |
| CN103954426A (en) * | 2014-03-31 | 2014-07-30 | 南京航空航天大学 | Rotor wing dynamic test device |
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2014
- 2014-10-11 CN CN201410535715.7A patent/CN105486484B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3472835B2 (en) * | 2001-11-26 | 2003-12-02 | 防衛庁技術研究本部長 | Dynamic wind tunnel test equipment |
| US8527247B1 (en) * | 2008-03-20 | 2013-09-03 | Sandia Corporation | Nonlinear power flow feedback control for improved stability and performance of airfoil sections |
| CN102095566A (en) * | 2009-12-11 | 2011-06-15 | 中国航空工业空气动力研究院 | Forced pitching-free yawing wind tunnel test device |
| CN201724807U (en) * | 2010-02-26 | 2011-01-26 | 中国航空工业集团公司西安飞机设计研究所 | Connector for horizontal stabilizer and vertical stabilizer of flutter model |
| CN202599637U (en) * | 2012-05-11 | 2012-12-12 | 中国航空工业集团公司西安飞机设计研究所 | Gesture adjusting mechanism of T-tail flutter model |
| CN103954426A (en) * | 2014-03-31 | 2014-07-30 | 南京航空航天大学 | Rotor wing dynamic test device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226025A (en) * | 2016-07-05 | 2016-12-14 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of wing store Combinations flutter wind tunnel analog |
| CN106741961A (en) * | 2016-11-30 | 2017-05-31 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of aircraft hanger |
| CN107902105A (en) * | 2017-09-27 | 2018-04-13 | 西北工业大学 | The apparatus and method for connecing strength reliability for simulating airborne battery |
| CN107902105B (en) * | 2017-09-27 | 2021-05-28 | 西北工业大学 | Device and method for simulating reliability of connection strength of airborne missile |
| CN112014063A (en) * | 2020-11-02 | 2020-12-01 | 中国空气动力研究与发展中心低速空气动力研究所 | A stores pylon for wind-tunnel test |
| CN113532785A (en) * | 2021-08-08 | 2021-10-22 | 中国航空工业集团公司沈阳飞机设计研究所 | Dynamic control device for simulating suspension stiffness of external hanging object under flutter wind tunnel test wing |
| CN113532785B (en) * | 2021-08-08 | 2022-11-22 | 中国航空工业集团公司沈阳飞机设计研究所 | Dynamic control device for simulating suspension stiffness of external hanging object under flutter wind tunnel test wing |
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| CN105486484B (en) | 2017-11-28 |
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