CN108444671A - Bracing cable support device is adjusted in bracing cable pulling force - Google Patents
Bracing cable support device is adjusted in bracing cable pulling force Download PDFInfo
- Publication number
- CN108444671A CN108444671A CN201810202613.1A CN201810202613A CN108444671A CN 108444671 A CN108444671 A CN 108444671A CN 201810202613 A CN201810202613 A CN 201810202613A CN 108444671 A CN108444671 A CN 108444671A
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- pulling force
- bracing cable
- angle
- attack
- adjusted
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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
- G01M9/02—Wind tunnels
- G01M9/04—Details
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- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Instructional Devices (AREA)
Abstract
A kind of adjustable bracing cable support device of bracing cable pulling force, including：Lower support position regulating system, the angle of attack control system that is symmetrically disposed in lower support position regulating system for carrying out horizontal position adjusting to model and being set in angle of attack control system is adjusted the bracing cable pulling force of the adjusting of state in model primitive and experiment and support system for fixing test model and realizing, wherein：Bracing cable pulling force is adjusted and support system is connected with model and adjusts bracing cable pulling force and angle of attack in real time.The present invention adjusts the posture of model according to experiment demand in time, can also carry out effective pulling force adjusting according to the bracing cable pulling force measured in real time.
Description
Technical field
The present invention relates to a kind of technology in wind tunnel test field, bracing cable support is adjusted in specifically a kind of bracing cable pulling force
Device.
Background technology
The support device of model includes traditional model aircraft support such as tail support, abdominal support in existing wind tunnel test
Mode.But it can be brought using tail support or abdominal support in the research of body and full machine aerodynamic characteristic after for aircraft
Larger flowing interference brings large effect to measurements such as the pressure distribution of model surface, flow regimes.
Invention content
The present invention is directed to deficiencies of the prior art, proposes that bracing cable support device is adjusted in a kind of bracing cable pulling force,
The contradiction between model support and its aerodynamic interference being subject to can preferably be solved.Body after aircraft or full machine are tested,
Bracing cable support not only can effective fixed model, and its aerodynamic interference be much smaller than traditional support mode；The present invention is according to examination
The posture that demand adjusts model in time is tested, effective pulling force adjusting can also be carried out according to the bracing cable pulling force measured in real time.
The present invention is achieved by the following technical solutions：
The present invention includes：For carrying out the lower support position regulating system of horizontal position adjusting to model, being symmetrical arranged
In in lower support position regulating system angle of attack control system and be set in angle of attack control system for fixed experiment mould
Type and realizing is adjusted to the bracing cable pulling force of the adjusting of state in model primitive and experiment and support system, wherein：
Line pulling force is adjusted and support system is connected with model and adjusts bracing cable pulling force and angle of attack in real time.
The lower support position regulating system is the support base frame with sliding rail lead screw, and angle of attack control system is lived
It is dynamic to be set on sliding rail lead screw and slid back and forth by motor driving.
The bracing cable pulling force is adjusted and support system includes：Tensioning rope, weighing sensor and the electronic fastener of suspension,
Wherein：Weighing sensor is set in angle of attack control system and is connected with electronic fastener is hung, the both ends difference of tensioning rope
It is connected with model and electronic fastener and is socketed on weighing sensor, measures of tensioning rope in real time by weighing sensor
It strains at force signal and exports to control module.
The angle of attack control system includes：The angle of attack controller chassis being movably set in lower support position regulating system
Frame, two be oppositely arranged the angle of attack adjust rotary part, adjust the motor and be connected to the motor that rotary part is connected with the angle of attack
Control module, wherein：Control module sends out synchronizing signal to motor, and the motor driving angle of attack adjusts rotary part and rotates and control
The angle of attack of model, control module are compared according to the tensioning pulling force signal from weighing sensor with default tensioning pulling force simultaneously real
When feed back to electronic fastener, carry out tensioning pulling force adjust.
It is rectangular configuration that the angle of attack, which adjusts rotary part, which adjusts rotary part and be rotatably dispose in angle of attack control
On frame.
The control module, including：Weighing sensor, electronic tension machine controller and computer, wherein：In program
Tensile force size needed for setting, weighing sensor are connected with computer and transmit measured bracing cable tensile force size, computer and electricity
The dynamic machine controller that tenses is connected and transmits electronic fastener direction information, the tensile force size of real-time control bracing cable.
Technique effect
Compared with prior art, the present invention adjusts the posture of model according to experiment demand in time, can also be surveyed according to real-time
The bracing cable pulling force of amount carries out effective tensioning pulling force and adjusts.Here it is illustrated by taking simple model aircraft as an example.When simple aircraft
After model is fixed by eight bracing cables, drive electronic fastener progress bracing cable tensioning pulling force reaches preset value, this is first
Beginning balance adjustment.During the test, the position of the horizontal direction of model can be adjusted in real time by lower support position regulating system
It sets, can also adjust the experiment angle of attack of model in real time by angle of attack control system, meet experiment demand.It is adjusting horizontal position and is attacking
Angle and when being tested, the tensioning pulling force of bracing cable can Real-time Feedback adjust, so that model is always maintained at the bracing cable support shape of balance
State.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
In figure：Lower support position regulating system a, angle of attack control system b, bracing cable pulling force adjusts and support system c, lower part
Support base frame structure 1, support baseboard 2, angle of attack control framework structure 3, tensioning rope 4, motor and load cell are integrated
Device 5, upper support gantry frame structure 6, the angle of attack adjust rotary part 7, sliding rail 8, fixed plate 9, turn-screw 10, model 11.
Specific implementation mode
As shown in Figure 1, bracing cable support device is adjusted for a kind of bracing cable pulling force that the present embodiment is related to, wherein including：Under
Portion Support Position regulating system a, angle of attack control system, bracing cable pulling force adjust b and support system c, wherein：
The lower support position regulating system a includes in the present embodiment：Support base frame 1, sliding rail 8, transmission
Leading screw 10 and first motor, wherein：Sliding rail 8 and turn-screw 10 are set to 1 upper end of support base frame, first motor (figure
In be not shown) be set to the side of support base frame 1 and move horizontally power is provided for the top half of device, sliding rail 8 rises
To stable and supporting function.
The angle of attack control system b includes in the present embodiment：It is relatively arranged on support gantry frame structure 6
A pair of of angle of attack control framework 3, the angle of attack adjust 7, two motors of rotary part and are set between a pair of of angle of attack control framework 3
Fixed plate 9, wherein：The angle of attack adjusts rotary part 7 and is set on upper support gantry frame structure 6 by sliding bearing, the second He
Third motor (not shown) be respectively arranged at the angle of attack adjust rotary part 7 side provided for the pitching of rotary part it is dynamic
Power, the motor are connected to realize that the accurate angle of attack is adjusted with control module.
The lower end of the fixed plate 9 is equipped with six COMPONENT BALANCEs, is used for while measuring suffered by specific operation drag
All directions power and torque.
The bracing cable pulling force is adjusted and support system c includes in the present embodiment：It is set on angle of attack control system b
Several motors and load cell integrating device 5 and the tensioning rope 4 being attached thereto, wherein：Several motors and force-measuring sensing
Device integrating device 5 is connected with control module and automatically adjusts the rotation position of each motor by the tension feedback of load cell
It moves, each tensioning rope 4 is made to reach optimum balance state.
Bolt connection piece in the present embodiment is all made of the threaded hole of M6 to be fixed and install.
Above-mentioned specific implementation can by those skilled in the art under the premise of without departing substantially from the principle of the invention and objective with difference
Mode carry out local directed complete set to it, protection scope of the present invention is subject to claims and not by above-mentioned specific implementation institute
Limit, each implementation within its scope is by the constraint of the present invention.
Claims (5)
1. bracing cable support device is adjusted in a kind of bracing cable pulling force, which is characterized in that including：For carrying out horizontal position tune to model
It the lower support position regulating system of section, the angle of attack control system being symmetrically disposed in lower support position regulating system and sets
It is placed in angle of attack control system for fixing test model and realizing the adjusting to state in model primitive and experiment
Bracing cable pulling force adjust and support system, wherein：Bracing cable pulling force is adjusted and support system is connected with model and adjusts bracing cable in real time
Pulling force and angle of attack；
The bracing cable pulling force is adjusted and support system includes：Tensioning rope, weighing sensor and the electronic fastener of suspension,
In：Weighing sensor is set in angle of attack control system and is connected with electronic fastener is hung, the both ends of tensioning rope respectively with
Model is connected with electronic fastener and is socketed on weighing sensor, measures the tensioning of tensioning rope in real time by weighing sensor
Pulling force signal is simultaneously exported to control module.
2. bracing cable support device is adjusted in bracing cable pulling force according to claim 1, characterized in that the lower support position
It is the support base frame with sliding rail lead screw to set regulating system, and angle of attack control system is movably set on sliding rail lead screw and passes through
Motor driving slides back and forth.
3. bracing cable support device is adjusted in bracing cable pulling force according to claim 1, characterized in that the angle of attack control system
System includes：The angle of attack control framework being movably set in lower support position regulating system, two angles of attack being oppositely arranged are adjusted
Rotary part adjusts the motor that rotary part is connected and the control module being connected to the motor with the angle of attack, wherein：Control module to
Motor sends out synchronizing signal, and motor drives the angle of attack to adjust the angle of attack of rotary part rotation and Controlling model, and control module is according to next
The tensioning pulling force signal of self-weighing sensor is compared with default tensioning pulling force and Real-time Feedback is to electronic fastener, is opened
Strain at power adjusting.
4. bracing cable support device is adjusted in bracing cable pulling force according to claim 1, characterized in that the tensioning rope and
Weighing sensor totally four pairs and is respectively arranged at the both sides of lower support position regulating system.
5. bracing cable support device is adjusted in bracing cable pulling force according to claim 2, characterized in that the angle of attack control system
Fixed plate is further provided in system, which is located between two angles of attack adjusting rotary parts, and the lower end of fixed plate, which is equipped with, to be used
In six COMPONENT BALANCEs of the power and torque that measure all directions suffered by specific operation drag simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810202613.1A CN108444671A (en) | 2018-03-13 | 2018-03-13 | Bracing cable support device is adjusted in bracing cable pulling force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810202613.1A CN108444671A (en) | 2018-03-13 | 2018-03-13 | Bracing cable support device is adjusted in bracing cable pulling force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108444671A true CN108444671A (en) | 2018-08-24 |
Family
ID=63194656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810202613.1A Pending CN108444671A (en) | 2018-03-13 | 2018-03-13 | Bracing cable support device is adjusted in bracing cable pulling force |
Country Status (1)
| Country | Link |
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| CN (1) | CN108444671A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441022A (en) * | 2019-07-01 | 2019-11-12 | 大连理工大学 | A kind of connection and measuring device |
| CN110514394A (en) * | 2019-09-18 | 2019-11-29 | 中国空气动力研究与发展中心高速空气动力研究所 | Model in wind tunnel support device and system |
| CN112284676A (en) * | 2020-10-21 | 2021-01-29 | 中国空气动力研究与发展中心超高速空气动力研究所 | Model supporting device applied to wind tunnel test |
| CN113267316A (en) * | 2021-05-10 | 2021-08-17 | 中国航空工业集团公司哈尔滨空气动力研究所 | Steel stick supports oscillation test mechanism based on horizontal opening wind-tunnel |
| CN115655635A (en) * | 2022-12-14 | 2023-01-31 | 中国空气动力研究与发展中心高速空气动力研究所 | Two-freedom-degree supporting system for full-body freedom-degree flutter or gust test |
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| US5251478A (en) * | 1991-05-30 | 1993-10-12 | Singhal Tara C | Devices and means to suspend scaled flying crafts during test and training flights |
| CN102353512A (en) * | 2011-07-22 | 2012-02-15 | 北京航空航天大学 | Attack angle control method based on synchronous operation of multiple motors and multifunctional supporting device |
| CN104132795A (en) * | 2014-08-11 | 2014-11-05 | 厦门大学 | Model rope supporting system capable of realizing wind tunnel virtual flight |
| CN104477420A (en) * | 2014-10-27 | 2015-04-01 | 清华大学 | Nine-rope driving robot device for simulating zero gravity and low gravity |
| CN205102999U (en) * | 2015-10-28 | 2016-03-23 | 中国航空工业集团公司沈阳飞机设计研究所 | Mixed bearing structure of model aircraft |
| CN105486480A (en) * | 2014-10-11 | 2016-04-13 | 中国航空工业集团公司西安飞机设计研究所 | Double-cable suspension system of full-aircraft low-speed flutter model |
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2018
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| US5251478A (en) * | 1991-05-30 | 1993-10-12 | Singhal Tara C | Devices and means to suspend scaled flying crafts during test and training flights |
| CN102353512A (en) * | 2011-07-22 | 2012-02-15 | 北京航空航天大学 | Attack angle control method based on synchronous operation of multiple motors and multifunctional supporting device |
| CN104132795A (en) * | 2014-08-11 | 2014-11-05 | 厦门大学 | Model rope supporting system capable of realizing wind tunnel virtual flight |
| CN105486480A (en) * | 2014-10-11 | 2016-04-13 | 中国航空工业集团公司西安飞机设计研究所 | Double-cable suspension system of full-aircraft low-speed flutter model |
| CN104477420A (en) * | 2014-10-27 | 2015-04-01 | 清华大学 | Nine-rope driving robot device for simulating zero gravity and low gravity |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441022A (en) * | 2019-07-01 | 2019-11-12 | 大连理工大学 | A kind of connection and measuring device |
| CN110514394A (en) * | 2019-09-18 | 2019-11-29 | 中国空气动力研究与发展中心高速空气动力研究所 | Model in wind tunnel support device and system |
| CN112284676A (en) * | 2020-10-21 | 2021-01-29 | 中国空气动力研究与发展中心超高速空气动力研究所 | Model supporting device applied to wind tunnel test |
| CN113267316A (en) * | 2021-05-10 | 2021-08-17 | 中国航空工业集团公司哈尔滨空气动力研究所 | Steel stick supports oscillation test mechanism based on horizontal opening wind-tunnel |
| CN115655635A (en) * | 2022-12-14 | 2023-01-31 | 中国空气动力研究与发展中心高速空气动力研究所 | Two-freedom-degree supporting system for full-body freedom-degree flutter or gust test |
| CN115655635B (en) * | 2022-12-14 | 2023-03-07 | 中国空气动力研究与发展中心高速空气动力研究所 | Two-freedom-degree supporting system for full-body freedom-degree flutter or gust test |
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Application publication date: 20180824 |
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