CN202547900U - Automatic rolling tail support mechanism applied to high-speed wind tunnel - Google Patents
Automatic rolling tail support mechanism applied to high-speed wind tunnel Download PDFInfo
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- CN202547900U CN202547900U CN 201220174733 CN201220174733U CN202547900U CN 202547900 U CN202547900 U CN 202547900U CN 201220174733 CN201220174733 CN 201220174733 CN 201220174733 U CN201220174733 U CN 201220174733U CN 202547900 U CN202547900 U CN 202547900U
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Abstract
The utility model discloses an automatic rolling tail support mechanism applied to a high-speed wind tunnel. The automatic rolling tail support mechanism comprises an output joint (2), a connecting fixing body, a driving unit and a mounting joint (11), wherein the connecting fixing body consists of a bearing base (6) and a shell (9); the driving unit consists of a motor (10), a reducer (8) and a transmission shaft (3); the output joint (2) is arranged on the bearing base (6) through a bearing (5); the degrees of freedom of the output joint (2) except the rolling are limited through an end cover (4) and a retainer ring (7); the bearing base (6), the shell (9) and the mounting joint (11) are fixed together; the motor (10) and the reducer (8) are fixed in the shell (9); and the output end of the reducer (8) is connected with the output joint (2) through the transmission shaft (3). The overall dimension of the mechanism is consistent with that of the conventional joint of the wind tunnel, and the automatic rolling tail support mechanism is connected with a model supporting rod and a wind tunnel attack angle mechanism through the hollow structural design and standard joint, so that the automatic rolling tail support mechanism is low in wind tunnel blocking degree, convenient in wiring and easy to mount, and the requirements of most of the tests can be met.
Description
Technical field
The utility model relates to a kind of tail supporting mechanism that is applied to the automatic change model roll angle of high-speed wind tunnel, belongs to wind tunnel experiment equipment field.
Background technology
Wind tunnel test is one of three basic means of carrying out aerodynamic studies.In wind tunnel test, dummy vehicle needs attitudes such as change pitch, driftage and lift-over.
Current domestic high-speed wind tunnel adopts manual method to make model and balance (or supporting mechanism) relatively rotate the roll attitude of implementation model to change more.The artificial distinct disadvantage of changing is: change trouble, the roll angle precision is difficult to guarantee that bicycle time blowing can only realize a roll mode etc.
The part wind-tunnel has been equipped with some automatic roll angle mechanisms.Though the automatic variation of these mechanisms' ability implementation model roll angles, have following deficiency: structural volume is bigger more, and is more serious to the wind-tunnel obstruction, influences test findings; In the middle of the mechanism is complicated drive motor or gear train, and adopts conventional stepper motor or AC servo machinery driving, is difficult to arrange cabling space in the middle of the mechanism, and the signal wire cabling of wind-tunnel measurements sensor (like balance, load cell etc.) is complicated, poor reliability; Inconsistent with model pole link interface and conventional joint, test needs the special-purpose pole of processing; Mechanism's mounting interface is special, and mechanism is installed to need be than complicated step etc. on the wind-tunnel.These not enough big limitations being widely used of they.
Summary of the invention
The technical matters that the utility model solves: the shortcoming that overcomes prior art; A kind of automatic lift-over tail supporting mechanism that is applied to high-speed wind tunnel is provided, and this mechanism's physical dimension is consistent with the conventional joint of wind-tunnel, adopts the hollow structure design and adopts standard interface to be connected with model pole, wind-tunnel angle of attack mechanism; Make its wind-tunnel congestion degree little; Cabling is convenient, installs simply, can satisfy most of test demands.
The utility model solves the technical scheme that its technical matters adopted: a kind of automatic lift-over tail supporting mechanism that is applied to high-speed wind tunnel comprises out splice going splice, connects fixed body, driver element and erection joint; Connect fixed body and be made up of bearing base and housing, driver element is made up of motor, reductor and transmission shaft; Out splice going splice passes through Bearing Installation on bearing base; Through end cap, the degree of freedom of back-up ring restriction out splice going splice except that lift-over; Bearing base, housing and erection joint are fixed together, and motor and speed reducer is fixed in the housing, and the output terminal of reductor is connected with out splice going splice through transmission shaft; During test; Wind tunnel model passes through the model strut fixation on out splice going splice; Automatically lift-over tail supporting mechanism is fixed in the wind-tunnel angle of attack mechanism through erection joint; Out splice going splice rotates relative to erection joint under drive unit drives, and drive model pole and wind tunnel model and rotate relative to wind-tunnel angle of attack mechanism, thus the automatic lift-over of realization wind tunnel model.
Adopt cone match between described out splice going splice and the model pole, its cone structure form and size all cooperate awl consistent with conventional joint.
Described driver element adopts the hollow coaxial configuration, and motor wherein adopts the quill shaft AC servo motor, and reductor adopts the quill shaft harmonic wave speed reducing machine, and transmission shaft adopts hollow design, and two ends are designed to form of flanges.
Described erection joint adopts the cylinder cooperation to be connected with wind-tunnel angle of attack mechanism, and adopts key to make lift-over location, the stiff end consistent size of its physical dimension and conventional joint.
The utility model has the advantages that: the utility model version makes it possible to reduce the congestion degree of mechanism to wind-tunnel through the control of physical dimension; Realize that through the hollow structure design wiring is simple and reliable; Link Interface design through out splice going splice becomes consistent with conventional joint, and existing model pole can directly be used; Be dimensioned to the bracket end interface consistent size of conventional joint through the interface of erection joint, realize that this mechanism installs simply, can satisfy most of the test.
Description of drawings:
Fig. 1 is the utility model structural representation.
Embodiment:
A kind of automatic lift-over tail supporting mechanism that is applied to high-speed wind tunnel comprises out splice going splice 2, connects fixed body, driver element and erection joint 11.Wherein, connect fixed body and be made up of bearing base 6 and housing 9, driver element is made up of motor 10, reductor 8 and transmission shaft 3.Out splice going splice 2 is installed on the bearing base 6 through one group of taper roll bearing 5; And through end cap 4, back-up ring 7 restriction out splice going splices 25 degree of freedom of all the other except that lift-over with respect to bearing base 6; Bearing base 6, housing 9 and erection joint 11 cooperate through cylinder and pin is connected and fixed; Motor 10 is fixed in the housing 9 with reductor 8 as a whole; The output terminal of reductor 8 is connected with out splice going splice 2 through transmission shaft 3, and the shell of reductor 8, bearing base 6 and housing 9 are connected and fixed through screw.Because bearing base 6, housing 9, motor 10, reductor 8 and erection joint 11 relative fixed; Out splice going splice 2 can and only can rotate relative to bearing base 6; So when motor 10 starts; Can pass through reductor 8, transmission shaft 3 and drive out splice going splices 2 and rotate relative to bearing base 6, also be to rotate relative to erection joint 11, thereby the drive model is realized automatic lift-over.
Adopt cone match between out splice going splice 2 and the model pole 1, its cone structure form and size all cooperate awl consistent with conventional joint.
Out splice going splice 2 has been formed mechanism's external surface jointly with the outside surface of housing 9, and its size is consistent with the conventional joint physical dimension of wind-tunnel, and is consistent with conventional joint to guarantee mechanism's wind-tunnel blockage percentage.
During wind tunnel test; Wind tunnel model is fixed on the out splice going splice 2 through model pole 1; Wind-tunnel angle of attack mechanism last 12 is fixed in through erection joint 11 in this mechanism; Out splice going splice 2 rotates relative to erection joint 11 under drive unit drives, thereby drives model pole 1 and the wind tunnel model that is fixed on the model pole 1 rotates relative to wind-tunnel angle of attack mechanism 12, thus the automatic lift-over of realization wind tunnel model.
The unspecified part of the utility model belongs to general knowledge as well known to those skilled in the art.
Claims (4)
1. an automatic lift-over tail supporting mechanism that is applied to high-speed wind tunnel is characterized in that: comprise out splice going splice (2), connect fixed body, driver element and erection joint (11); Connect fixed body and be made up of bearing base (6) and housing (9), driver element is made up of motor (10), reductor (8) and transmission shaft (3); Out splice going splice (2) is installed on the bearing base (6) through bearing (5); Through end cap (4), the degree of freedom of back-up ring (7) restriction out splice going splice (2) except that lift-over; Bearing base (6), housing (9) and erection joint (11) are fixed together; Motor (10) and reductor (8) are fixed in the housing (9), and the output terminal of reductor (8) is connected with out splice going splice (2) through transmission shaft (3); During test; Wind tunnel model is fixed on the out splice going splice (2) through model pole (1); Automatically lift-over tail supporting mechanism is fixed in the wind-tunnel angle of attack mechanism (12) through erection joint (11); Out splice going splice (2) rotates relative to erection joint (11) under drive unit drives, and drive model pole (1) and wind tunnel model and rotate relative to wind-tunnel angle of attack mechanism (12), thus the automatic lift-over of realization wind tunnel model.
2. a kind of automatic lift-over tail supporting mechanism that is applied to high-speed wind tunnel according to claim 1; It is characterized in that: adopt cone match between described out splice going splice (2) and the model pole (1), its cone structure form and size all cooperate awl consistent with conventional joint.
3. a kind of automatic lift-over tail supporting mechanism that is applied to high-speed wind tunnel according to claim 1; It is characterized in that: described driver element adopts the hollow coaxial configuration; Motor wherein (10) adopts the quill shaft AC servo motor; Reductor (8) adopts the quill shaft harmonic wave speed reducing machine, and transmission shaft (3) adopts hollow design, and two ends are designed to form of flanges.
4. a kind of automatic lift-over tail supporting mechanism that is applied to high-speed wind tunnel according to claim 1; It is characterized in that: described erection joint (11) adopts the cylinder cooperation to be connected with wind-tunnel angle of attack mechanism (12); And adopt key to make lift-over location, the stiff end consistent size of its physical dimension and conventional joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220174733 CN202547900U (en) | 2012-04-23 | 2012-04-23 | Automatic rolling tail support mechanism applied to high-speed wind tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220174733 CN202547900U (en) | 2012-04-23 | 2012-04-23 | Automatic rolling tail support mechanism applied to high-speed wind tunnel |
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| Publication Number | Publication Date |
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| CN202547900U true CN202547900U (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220174733 Expired - Fee Related CN202547900U (en) | 2012-04-23 | 2012-04-23 | Automatic rolling tail support mechanism applied to high-speed wind tunnel |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944376A (en) * | 2012-11-30 | 2013-02-27 | 中国航天空气动力技术研究院 | Wind tunnel test device |
| CN103033336A (en) * | 2013-01-14 | 2013-04-10 | 中国航空工业集团公司沈阳飞机设计研究所 | High speed wind tunnel supporting system |
| CN103345286A (en) * | 2013-07-05 | 2013-10-09 | 中国空气动力研究与发展中心高速空气动力研究所 | Synchronous control method of motion of combined supporting mechanism of wind tunnel |
| CN104950897A (en) * | 2015-05-27 | 2015-09-30 | 中国航天空气动力技术研究院 | Mechanism for controlling rolling of detached body model |
| CN105241629A (en) * | 2015-11-13 | 2016-01-13 | 中国空气动力研究与发展中心低速空气动力研究所 | Roll angle adjustment device |
| CN105910791A (en) * | 2016-05-31 | 2016-08-31 | 中国航空工业集团公司西安飞机设计研究所 | Airplane wind tunnel test model installation device |
| CN106441786A (en) * | 2016-09-12 | 2017-02-22 | 哈尔滨工程大学 | Active vibration restraining actuating mechanism applied to wind tunnel model vibration decoupling control |
| CN106840583A (en) * | 2016-12-29 | 2017-06-13 | 中国航天空气动力技术研究院 | A kind of big attack angle mechanism of sub- transonic and supersonic wind tunnel with translation functions |
| CN109506877A (en) * | 2018-12-11 | 2019-03-22 | 中国航天空气动力技术研究院 | It is a kind of sub- across 90 ° of the super wind-tunnel big angle of attack, 360 ° of rolling devices of coupling |
| CN110411705A (en) * | 2019-08-26 | 2019-11-05 | 中国航空工业集团公司沈阳空气动力研究所 | A kind of automatic change roll angle mechanism suitable for high-speed continuous wind tunnel model |
| CN112525476A (en) * | 2020-12-07 | 2021-03-19 | 中国空气动力研究与发展中心高速空气动力研究所 | Model supporting and coupling rolling driving device for unsteady force measurement wind tunnel test |
| CN112683483A (en) * | 2020-12-21 | 2021-04-20 | 中国空气动力研究与发展中心高速空气动力研究所 | Hollow rolling driving mechanism for low-temperature environment |
| CN116007890A (en) * | 2023-03-23 | 2023-04-25 | 中国空气动力研究与发展中心超高速空气动力研究所 | Device for measuring micro pressure on surface of inner model of wind tunnel height Wen Liuchang |
-
2012
- 2012-04-23 CN CN 201220174733 patent/CN202547900U/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944376A (en) * | 2012-11-30 | 2013-02-27 | 中国航天空气动力技术研究院 | Wind tunnel test device |
| CN102944376B (en) * | 2012-11-30 | 2015-02-25 | 中国航天空气动力技术研究院 | Wind tunnel test device |
| CN103033336A (en) * | 2013-01-14 | 2013-04-10 | 中国航空工业集团公司沈阳飞机设计研究所 | High speed wind tunnel supporting system |
| CN103033336B (en) * | 2013-01-14 | 2015-04-01 | 中国航空工业集团公司沈阳飞机设计研究所 | High speed wind tunnel supporting system |
| CN103345286A (en) * | 2013-07-05 | 2013-10-09 | 中国空气动力研究与发展中心高速空气动力研究所 | Synchronous control method of motion of combined supporting mechanism of wind tunnel |
| CN103345286B (en) * | 2013-07-05 | 2015-02-04 | 中国空气动力研究与发展中心高速空气动力研究所 | Synchronous control method of motion of combined supporting mechanism of wind tunnel |
| CN104950897A (en) * | 2015-05-27 | 2015-09-30 | 中国航天空气动力技术研究院 | Mechanism for controlling rolling of detached body model |
| CN105241629A (en) * | 2015-11-13 | 2016-01-13 | 中国空气动力研究与发展中心低速空气动力研究所 | Roll angle adjustment device |
| CN105910791A (en) * | 2016-05-31 | 2016-08-31 | 中国航空工业集团公司西安飞机设计研究所 | Airplane wind tunnel test model installation device |
| CN106441786A (en) * | 2016-09-12 | 2017-02-22 | 哈尔滨工程大学 | Active vibration restraining actuating mechanism applied to wind tunnel model vibration decoupling control |
| CN106840583A (en) * | 2016-12-29 | 2017-06-13 | 中国航天空气动力技术研究院 | A kind of big attack angle mechanism of sub- transonic and supersonic wind tunnel with translation functions |
| CN106840583B (en) * | 2016-12-29 | 2019-12-20 | 中国航天空气动力技术研究院 | Sub-span supersonic wind tunnel large attack angle mechanism with translation function |
| CN109506877A (en) * | 2018-12-11 | 2019-03-22 | 中国航天空气动力技术研究院 | It is a kind of sub- across 90 ° of the super wind-tunnel big angle of attack, 360 ° of rolling devices of coupling |
| CN110411705A (en) * | 2019-08-26 | 2019-11-05 | 中国航空工业集团公司沈阳空气动力研究所 | A kind of automatic change roll angle mechanism suitable for high-speed continuous wind tunnel model |
| CN112525476A (en) * | 2020-12-07 | 2021-03-19 | 中国空气动力研究与发展中心高速空气动力研究所 | Model supporting and coupling rolling driving device for unsteady force measurement wind tunnel test |
| CN112683483A (en) * | 2020-12-21 | 2021-04-20 | 中国空气动力研究与发展中心高速空气动力研究所 | Hollow rolling driving mechanism for low-temperature environment |
| CN112683483B (en) * | 2020-12-21 | 2023-02-03 | 中国空气动力研究与发展中心高速空气动力研究所 | Hollow rolling driving mechanism for low-temperature environment |
| CN116007890A (en) * | 2023-03-23 | 2023-04-25 | 中国空气动力研究与发展中心超高速空气动力研究所 | Device for measuring micro pressure on surface of inner model of wind tunnel height Wen Liuchang |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: The gloomy wind-tunnel engineering of Beijing space flight benefit Co., Ltd Assignor: China Aerospace Aerodynamic Technology Institute Contract record no.: 2014990000609 Denomination of utility model: Automatic rolling tail support mechanism applied to high-speed wind tunnel Granted publication date: 20121121 License type: Exclusive License Record date: 20140801 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20150423 |
|
| EXPY | Termination of patent right or utility model |