CN108760228A - A kind of rudder face dynamic force measurement device and test method folded during rudder is unfolded - Google Patents
A kind of rudder face dynamic force measurement device and test method folded during rudder is unfolded Download PDFInfo
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- CN108760228A CN108760228A CN201810588748.6A CN201810588748A CN108760228A CN 108760228 A CN108760228 A CN 108760228A CN 201810588748 A CN201810588748 A CN 201810588748A CN 108760228 A CN108760228 A CN 108760228A
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- rudder
- rudder face
- torque sensor
- torque
- angular transducer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/06—Measuring arrangements specially adapted for aerodynamic testing
Abstract
A kind of rudder face dynamic force measurement device and test method folded during rudder is unfolded, the retaining element of torsional spring is replaced using dedicated torque sensor, the installation interface and shape of torque sensor are consistent with torsional spring retaining element, to ensure rudder face shape.Torque sensor is linked together by adapter and angular transducer, and torque sensor can follow rudder face to rotate, while angular transducer can measure the angle that rudder face turns over.Torque sensor signal and angular transducer signal are connected in the same acquisition channel, to realize that data synchronize.When data processing, to deduct the restoring moment of the torsional spring, the gravity torque of rudder face and friction moment be exactly the air torque that rudder face is born in the point to the resultant moment that certain time point torque sensor measures, and the air torque of Each point in time, which is connected with smooth curve, can show that folding rudder torque suffered during expansion changes with time rule.
Description
Technical field
The present invention relates to fold rudder be unfolded test method, be mainly used in air-launched missile fold rudder expansion during rudder face by
The measurement of power.
Background technology
In order to reduce guided missile the space occupied, increase bullet-loading capacity, all using rudder is folded, rudder face is folded up for many guided missiles
It is placed on launching tube or hangs on the hanger of aircraft, after transmitting, rudder face is deployed into rapidly design position under the action of unfolding mechanism
And it locks.To ensure that folding rudder meets the requirements such as duration of run, expanded angle and the synchronism of expansion of design, exhibition upon deployment
It wants reliably lock and meet full bullet Design of Aerodynamic Configuration after reaching position, whether the unfolded state for folding rudder is correct, determines
The success or failure of missile flight.The aerodynamic loading acted on rudder face is to influence to fold the key factor that can rudder normally be unfolded, therefore
The aerodynamic loading of rudder face is structure design and the important indicator of parts selection, it is thus determined that folding the pneumatic load during rudder expansion
Lotus has great importance for the design for folding rudder, while the dynamic aerodynamics square measured during folding rudder expansion can be with
The influence that rudder face is unfolded for analysis crosswind provides foundation.The expansion for folding rudder is a dynamic process, on each state point, rudder
The gravity torque of air torque, rudder face suffered by face and the restoring moment of torsion bar are all different.Way general at present is will to fold
Rudder is fixed on an angle, then measures the aerodynamic force that rudder face is born, carries out static measurement.If entire measurement process can be divided into
The measurement result of all measurement points, is connected into a smooth curve by processing, can obtain expansion process by dry measurement point
In act on the changing rule of aerodynamic force on rudder face, this method can measure under each angle state, suffered by rudder face
Aerodynamic force, but the motion state of rudder face can not be simulated, the factors such as the inertia force during motion of rudder are had ignored, measures and misses
Difference is larger.
Invention content
The technology of the present invention solves the problems, such as：Overcome the deficiencies in the prior art, during having invented a kind of expansion of folding rudder
Rudder face dynamic force measurement device and test method.Invention static force measurement test method different from the past, effectively increases effect
Rate, test result are closer to fold the real working condition of rudder expansion, have expanded test capability.
Technical solution of the invention is：A kind of rudder face dynamic force measurement device folded during rudder expansion, including branch
Frame, angular transducer, flexible shaft coupling, Coupling Shaft, torque sensor；Torque sensor floating end and the torsional spring one in folding rudder
End connection, while torque sensor floating end, also with switching axis connection, wherein Coupling Shaft and torsional spring be coaxial；Torque sensor is fixed
End is connect with rudder face, can be rotated with rudder face；Connecting shaft is connected with angular transducer by flexible shaft coupling；Angular transducer
It is fixed on holder, holder is mounted on by screw on body.
The signal output end of angular transducer signal and torque sensor is connected in the same acquisition channel.
The torque sensor shape is consistent with rudder face.
A kind of method of rudder face dynamic force measurement experiment, steps are as follows：
1) it during folding rudder expansion, folds the torsional spring in rudder inside and torque sensor, torque sensor is driven to drive rudder
Face rotates, the resultant moment acted on rudder face measured by torque sensor；
2) angular transducer measures the angle that rudder face and torque sensor turn over；
3) angle that some time point rudder face and the torque sensor measured using angular transducer is turned over, is calculated this
Torsion bar restoring moment and rudder face gravity torque on time point；
4) resultant moment that torque sensor is measured at the time point subtracts torsion bar restoring moment, rudder face gravity torque, obtains
To the air torque suffered by the time point rudder face.
5) step 3), 4) is repeated, the air torque for folding rudder during expansion suffered by Each point in time is calculated, uses
Smooth curve gets up each point data connection, obtains air torque and changes with time rule.
Compared with the prior art, the invention has the advantages that：
The present invention proposes the rudder face dynamic force measurement test method folded during rudder expansion, static survey different from the past
Power method, dynamic force measurement method fully reduce the motion process of rudder face.By the way that torque sensor and angular transducer is coaxial
Means on rudder face, can measure simultaneously expansion during angle value and rudder face suffered by moment values and the two with
The relationship of time shaft.During wind tunnel test, primary blowing can be obtained by the aerodynamic force of each state point during entire expansion
The data that data greatly reduce test period and cost, while measuring are more nearly the true shape that rudder expansion is folded when transmitting
State, relative to static force measurement, the data of dynamic force measurement are more genuine and believable.
Description of the drawings
Fig. 1 is measuring system schematic diagram；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the folded state for folding rudder.
Specific implementation mode
The present invention is discussed in detail below in conjunction with attached drawing, this method is implemented by two parts, and a part is measuring system, is responsible for survey
Amount folds rudder rudder face rotates during expansion angle, time and resultant moment；A part is data analysis, reject it is each it is related because
The influence of element, obtains the curve that rudder face aerodynamic moment data and torque change over time.The folding and expansion for folding rudder use specially
The locking of door and release device, technology is very ripe, does not introduce here.
Measuring system include measurement angle angular transducer, measure torque torque sensor and fold rudder and other
For transferring and fixed component.Folding has torsional spring inside rudder, torsional spring front end, which is fixed on, to be folded inside rudder, and rear end can by one
It is fixed with movable rudder face with turning one's head for dismounting.Movable rudder face is folded up, and torsional spring is deformed therewith, and when expansion utilizes torsional spring
Reply the expansion of power drive rudder face.The dedicated torque sensor of design one replaces turning one's head for fixed torsional spring, the installation of torsion balance
Interface and shape and turn one's head it is consistent, to ensure rudder face shape.Torque sensor is connected to one by adapter and angular transducer
It rises, torque sensor can follow rudder face to rotate, while angular transducer can measure the angle that rudder face and torque sensor turn over
Degree.In experiment, angular transducer signal and torque sensor signal are connected in the same acquisition channel, it is ensured that angle is believed
It is number synchronous with torque sensor signal.
Fold rudder in a folded configuration, what torque sensor was born is the restoring moment of torsional spring and the gravity power of movable rudder face
Square.During folding rudder expansion, the restoring moment+rudder face for resultant moment=torsional spring that torque sensor is born under the action of wind load
Gravity torque+air torque+rudder face friction moment, wherein rudder face friction moment is typically small, can ignore.The reply of torsional spring
Torque is directly proportional to the corner of torsional spring, and the gravity torque and rudder face expanded angle of rudder face also have certain functional relation, both
It can be come out by the angle calculation that angular transducer measures.The resultant moment for certain state point that torque sensor measures has deducted this
Restoring moment, the gravity torque of rudder face and the friction moment of rudder face of point torsional spring are exactly the air torque that rudder face is born.It will be each
It is exactly curve that rudder face air torque changes over time that the data connection of trystate point, which is got up, can be done further by curve
Analysis.
As depicted in figs. 1 and 2, measuring system includes holder 2, angular transducer 3, flexible shaft coupling 4, Coupling Shaft 5, torque
By special design, shape is consistent with rudder face, avoids damage to rudder face shape for sensor 6, wherein torque sensor 6, influences pneumatic
Data.Folding inside rudder 7 has a torsional spring, and torsional spring front end, which is fixed on, to be folded inside rudder 7, rear end by one it is demountable turn one's head and
Movable rudder face is fixed.Movable rudder face is folded up, and torsional spring is deformed therewith, and the reply power drive rudder face of torsional spring is utilized when expansion
Expansion.One dedicated torque sensor 6 of design replaces turning one's head for fixed torsional spring, the installation interface and shape of torque sensor 6
Consistent with turning one's head, replacing turning one's head with 6 floating end of torque sensor connect with the one end in folding rudder 7, at the same with Coupling Shaft 5
Connection, wherein Coupling Shaft 5 and torsional spring are coaxial；6 fixing end of torque sensor links together with rudder face, can turn with rudder face
It is dynamic；Connecting shaft 5 and angular transducer 3 are connected by flexible shaft coupling 4；Angular transducer 3 is fixed on holder 2, and holder 2 passes through
Screw is mounted on body 1.The signal output end of angular transducer 3 and torque sensor 5 is connected in the same acquisition channel,
It can ensure that angle signal is synchronous with torque sensor signal.
As shown in Fig. 2, folding rudder 7 in a folded configuration, torsional spring is in maximum distortion state, what torque sensor 6 was born
It is the gravity torque of the restoring moment and movable rudder face of torsional spring.During folding the expansion of rudder 7, torque sensing under the action of wind load
Gravity torque+air torque of the restoring moment+rudder face for resultant moment=torsional spring that device 6 is born.Wherein the restoring moment of torsional spring with
The corner of torsional spring is directly proportional, and the gravity torque and rudder face expanded angle of rudder face also have fixed functional relation.Torsional spring and rudder face
Corner can be come out by the angle calculation that angular transducer 3 measures.The resultant moment for certain state point that torque sensor 6 measures
The gravity torque of the restoring moment, rudder face that have deducted the torsional spring is exactly the air torque that rudder face is born.By each trystate
It is exactly curve that rudder face air torque changes over time that the data connection of point, which is got up,.
Unspecified part of the present invention belongs to common sense well known to those skilled in the art.
Claims (4)
1. a kind of rudder face dynamic force measurement device folded during rudder expansion, it is characterised in that：Including holder (2), angle sensor
Device (3), flexible shaft coupling (4), Coupling Shaft (5), torque sensor (6)；In torque sensor (6) floating end and folding rudder (7)
One end connection, while torque sensor (6) floating end is also connect with Coupling Shaft (5), and wherein Coupling Shaft (5) and torsional spring are same
Axis；Torque sensor (6) fixing end is connect with rudder face, can be rotated with rudder face；Connecting shaft (5) and angular transducer (3) are logical
Cross flexible shaft coupling (4) connection；Angular transducer (3) is fixed on holder (2), and holder (2) is mounted on body (1) by screw
On.
2. a kind of rudder face dynamic force measurement device folded during rudder expansion according to claim 1, it is characterised in that：It will
The signal output end of angular transducer (3) signal and torque sensor (5) is connected in the same acquisition channel.
3. a kind of rudder face dynamic force measurement device folded during rudder expansion according to claim 1, it is characterised in that：Institute
Torque sensor (6) shape is stated to be consistent with rudder face.
4. a kind of method carrying out rudder face dynamic force measurement experiment the apparatus according to claim 1, which is characterized in that step is such as
Under：
1) during folding rudder (7) expansion, the torsional spring folded in rudder (7) inside drives torque sensor (6), torque sensor
(6) rudder face rotation, the resultant moment acted on rudder face measured by torque sensor (6) are driven；
2) angular transducer (3) measures the angle that rudder face and torque sensor (6) turn over；
3) some time point rudder face that angular transducer (3) measures and the angle that torque sensor (6) turns over are utilized, is calculated
The time point upper torsion bar restoring moment and rudder face gravity torque；
4) resultant moment that torque sensor (6) is measured at the time point subtracts torsion bar restoring moment, rudder face gravity torque, obtains
Air torque suffered by the time point rudder face；
5) step 3), 4) is repeated, the air torque for folding rudder (7) during expansion suffered by Each point in time is calculated, uses
Smooth curve gets up each point data connection, obtains air torque and changes with time rule.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810588748.6A CN108760228B (en) | 2018-06-08 | 2018-06-08 | Dynamic force measuring device and testing method for control surface in unfolding process of folding rudder |
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|---|---|---|---|
| CN201810588748.6A CN108760228B (en) | 2018-06-08 | 2018-06-08 | Dynamic force measuring device and testing method for control surface in unfolding process of folding rudder |
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| CN108760228A true CN108760228A (en) | 2018-11-06 |
| CN108760228B CN108760228B (en) | 2020-08-14 |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632240A (en) * | 2018-12-11 | 2019-04-16 | 中国航天空气动力技术研究院 | A kind of rudder face force balance folded during rudder expansion |
| CN111189612A (en) * | 2020-01-13 | 2020-05-22 | 南京航空航天大学 | Device for simulating drift angle and rigidity change of drag rudder of tailless airplane |
| CN111855050A (en) * | 2020-07-20 | 2020-10-30 | 上海宇航系统工程研究所 | Automatic measuring system for cabin door unfolding moment |
| CN112747894A (en) * | 2020-12-29 | 2021-05-04 | 中国航天空气动力技术研究院 | Processing method for measuring aerodynamic moment data in folding rudder unfolding process |
| CN113008506A (en) * | 2021-02-19 | 2021-06-22 | 中国航天空气动力技术研究院 | Full-size large-load rudder wind tunnel unfolding test device |
| CN113221243A (en) * | 2021-05-12 | 2021-08-06 | 上海机电工程研究所 | Simulation calculation method and system for transient synchronous unfolding of aircraft folded rudder |
| CN113353283A (en) * | 2020-03-02 | 2021-09-07 | 中航西飞民用飞机有限责任公司 | Installation design method for aircraft control surface position sensor |
| CN113479495A (en) * | 2021-06-11 | 2021-10-08 | 苏州霍森新型智能集装箱科技有限公司 | Assembling method of folding container |
| CN113865546A (en) * | 2021-10-29 | 2021-12-31 | 上海机电工程研究所 | Folding rudder angle measuring device and folding rudder |
| CN113933017A (en) * | 2021-09-29 | 2022-01-14 | 西安航天动力试验技术研究所 | Real-time measurement system and method for deployment angle of outer rudder of high-speed impact state aircraft |
| CN113933018A (en) * | 2021-09-29 | 2022-01-14 | 西安航天动力试验技术研究所 | Real-time aircraft torque measurement system and method at moment of control surface unfolding |
| CN114322675A (en) * | 2021-11-30 | 2022-04-12 | 上海机电工程研究所 | Deformable ejector rod and foldable control surface structure in foldable rudder of guided missile and guided missile |
| CN117172077A (en) * | 2023-10-27 | 2023-12-05 | 西安现代控制技术研究所 | Non-ablative transverse folding tail rudder structure of supersonic missile and design method thereof |
| CN117723286A (en) * | 2024-02-08 | 2024-03-19 | 天津航天瑞莱科技有限公司 | Rudder rotary actuator cylinder automatic rotation reliability evaluation test mechanism |
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| CN203629784U (en) * | 2013-12-09 | 2014-06-04 | 中国航天空气动力技术研究院 | Automatic foldable rudder unfolding apparatus |
| CN105258933A (en) * | 2015-11-06 | 2016-01-20 | 航天科工哈尔滨风华有限公司 | Folded rudder core unfolding testing apparatus |
| CN105424314A (en) * | 2015-12-18 | 2016-03-23 | 中国航天空气动力技术研究院 | Device for control surface unfolding wind tunnel test of free flight model |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632240A (en) * | 2018-12-11 | 2019-04-16 | 中国航天空气动力技术研究院 | A kind of rudder face force balance folded during rudder expansion |
| CN111189612A (en) * | 2020-01-13 | 2020-05-22 | 南京航空航天大学 | Device for simulating drift angle and rigidity change of drag rudder of tailless airplane |
| CN113353283A (en) * | 2020-03-02 | 2021-09-07 | 中航西飞民用飞机有限责任公司 | Installation design method for aircraft control surface position sensor |
| CN111855050A (en) * | 2020-07-20 | 2020-10-30 | 上海宇航系统工程研究所 | Automatic measuring system for cabin door unfolding moment |
| CN112747894B (en) * | 2020-12-29 | 2022-12-06 | 中国航天空气动力技术研究院 | Processing method for measuring aerodynamic moment data in folding rudder unfolding process |
| CN112747894A (en) * | 2020-12-29 | 2021-05-04 | 中国航天空气动力技术研究院 | Processing method for measuring aerodynamic moment data in folding rudder unfolding process |
| CN113008506A (en) * | 2021-02-19 | 2021-06-22 | 中国航天空气动力技术研究院 | Full-size large-load rudder wind tunnel unfolding test device |
| CN113008506B (en) * | 2021-02-19 | 2023-04-14 | 中国航天空气动力技术研究院 | Full-size large-load rudder wind tunnel unfolding test device |
| CN113221243A (en) * | 2021-05-12 | 2021-08-06 | 上海机电工程研究所 | Simulation calculation method and system for transient synchronous unfolding of aircraft folded rudder |
| CN113221243B (en) * | 2021-05-12 | 2023-01-20 | 上海机电工程研究所 | Simulation calculation method and system for transient synchronous unfolding of aircraft folded rudder |
| CN113479495B (en) * | 2021-06-11 | 2022-06-07 | 苏州霍森新型智能集装箱科技有限公司 | Assembling method of folding container |
| CN113479495A (en) * | 2021-06-11 | 2021-10-08 | 苏州霍森新型智能集装箱科技有限公司 | Assembling method of folding container |
| CN113933017A (en) * | 2021-09-29 | 2022-01-14 | 西安航天动力试验技术研究所 | Real-time measurement system and method for deployment angle of outer rudder of high-speed impact state aircraft |
| CN113933018A (en) * | 2021-09-29 | 2022-01-14 | 西安航天动力试验技术研究所 | Real-time aircraft torque measurement system and method at moment of control surface unfolding |
| CN113933018B (en) * | 2021-09-29 | 2023-12-26 | 西安航天动力试验技术研究所 | Real-time measurement system and method for moment of control surface unfolding aircraft torque |
| CN113865546A (en) * | 2021-10-29 | 2021-12-31 | 上海机电工程研究所 | Folding rudder angle measuring device and folding rudder |
| CN114322675A (en) * | 2021-11-30 | 2022-04-12 | 上海机电工程研究所 | Deformable ejector rod and foldable control surface structure in foldable rudder of guided missile and guided missile |
| CN117172077A (en) * | 2023-10-27 | 2023-12-05 | 西安现代控制技术研究所 | Non-ablative transverse folding tail rudder structure of supersonic missile and design method thereof |
| CN117172077B (en) * | 2023-10-27 | 2024-02-20 | 西安现代控制技术研究所 | Non-ablative transverse folding tail rudder structure of supersonic missile and design method thereof |
| CN117723286A (en) * | 2024-02-08 | 2024-03-19 | 天津航天瑞莱科技有限公司 | Rudder rotary actuator cylinder automatic rotation reliability evaluation test mechanism |
| CN117723286B (en) * | 2024-02-08 | 2024-04-26 | 天津航天瑞莱科技有限公司 | Rudder rotary actuator cylinder automatic rotation reliability evaluation test mechanism |
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