CN107036779A - The fast quick change section apparatus of continuous high-speed wind tunnel experiment section - Google Patents
The fast quick change section apparatus of continuous high-speed wind tunnel experiment section Download PDFInfo
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- CN107036779A CN107036779A CN201710353447.0A CN201710353447A CN107036779A CN 107036779 A CN107036779 A CN 107036779A CN 201710353447 A CN201710353447 A CN 201710353447A CN 107036779 A CN107036779 A CN 107036779A
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- G—PHYSICS
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- 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
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Abstract
The present invention proposes a kind of fast quick change section apparatus of continuous high-speed wind tunnel experiment section, is made up of 4 power identical motor, 4 speed reducing ratio identical reductors, 4 axletrees, electric appliance control box and cable；4 wheels that 4 motor and 4 reductors are respectively cooperating with wind tunnel experiment section are installed, and reductor is installed on wheel bases, and is connected by axletree with wheel, realizes the transmission of driving force；One motor and a reductor constitute a set of independent drive device, motor and reductor direct connection；Electric appliance control box connects 4 sets of independent drive devices by cable；The start and stop of 4 sets of drive devices and rotating speed pass through electric appliance control box independent control.The aligning accuracy of effective guarantee of the present invention wind tunnel experiment section, improve the operating efficiency for changing wind tunnel experiment section, and the security risk for changing personnel and equipment during section is reduced, the quick-replaceable and accurate installation for many experimental sections of continuous high-speed wind-tunnel provide technical support.
Description
Technical field
It is specifically that one kind is used for continuous high-speed the present invention relates to the mobile design field with more changing device of wind tunnel experiment section
The fast quick change section apparatus of wind tunnel experiment section.
Background technology
Wind-tunnel is to produce and control in a manual manner air-flow, for the flowing of simulated flight device or entity ambient gas
Situation, and air-flow can be measured to the action effect of entity and a kind of pipe-like experimental facilities of observation physical phenomenon, it is to carry out sky
Aerodynamic force tests one of the most frequently used, maximally effective instrument.Wind-tunnel is widely used in the aerodynamic basic law of research, to verify
It is relevant with development theoretical, and be directly the development service of various aircraft, the pneumatic cloth of aircraft is determined by wind tunnel experiment
Office and its aeroperformance of assessment.Wind tunnel experiment is an indispensable part in aircraft development work.It is not only
Played an important role in the research and development of aerospace engineering, with the development of industrial aerodynamics, in traffic fortune
The fields such as defeated, building construction, wind energy utilization are even more indispensable.
Continuous high-speed wind-tunnel is by motor-driven all-steel reverse-flow type closed conduct, mainly by axial flow compressor, cold
But the part such as device, stable section, experimental section and diffuser is constituted, as shown in Figure 1.Experimental section is the nucleus of wind-tunnel, to pacify
Fill experimental model and the flow fields environment of high-quality is provided, so that measurement and the flow observation of implementation model aerodynamic force.For difference
Blowing experiment model, in order to widen the application of wind-tunnel, increase operation rate, a usual wind-tunnel be furnished with two or more realities
Section is tested, for example, carries out the ternary experimental section of full machine and body, exclusively carry out the binary experimental section of aerofoil profile research and the spiral shell of drive
Revolve oar experimental section etc..The power set and hole phosphor bodies of many experimental section wind-tunnel are what is shared, and experimental section can be changed, and be passed through
Different experimental sections is changed to realize different experiment purposes.
The front end of high speed wind tunnel test section is connected to wind-tunnel stable section, and rear end is connected to wind-tunnel diffuser, different experiments section
Internal structure it is different, but with identical end face interface, when changing experimental section, by with two end faces of experimental section with stably
Section and diffuser are disengaged, and the wheel carried by it is moved with ground rail, realizes the separation of experimental section and wind-tunnel main body.With
Experimental section departs from after wind-tunnel main body, moves experimental section to be replaced again by wheel and track and moves into wind-tunnel corresponding position, finally
Realize the replacing of experimental section.The experimental section of high-speed wind tunnel is steel design, and gross weight reaches tens of tons, and changing experimental section not only needs
The level of long range is wanted to drag, it is also desirable to the control of short-range microdisplacement, to realize the accurate right of experimental section and wind-tunnel main body
Connect.Therefore, in actual engineer applied, the move mode and its Bit andits control precision of experimental section are always wind tunnel experiment personnel face
One of problem faced.The general movement that experimental section is realized by the way of cable traction at present, but because the structure of actuator is answered
The factors such as polygamy, are primarily present problems with：Outside actuator is complicated, and operation and maintenance cost is high；Cable wire is flexibility
Drafting tool, it is difficult to realize the accurate control of microdisplacement；Waste time and energy, inefficiency, and there is potential safety hazard.Therefore,
It is necessary to develop the fast quick change section apparatus of a set of experimental section for continuous high-speed wind-tunnel, to ensure the Bit andits control essence of experimental section
Degree, and operating efficiency is improved, reduce the labor intensity of experimenter.
The content of the invention
In order to overcome the inherent shortcoming of traditional cable type experimental section mode of traction, the work effect that wind-tunnel changes experimental section is improved
Rate, solves the technical barrier that experimental section displacement accuracy is accurately controlled, and realizes the convenient replacing of wind tunnel experiment section and accurate installation, this
Invention proposes a kind of fast quick change section apparatus of experimental section suitable for continuous high-speed wind-tunnel.
The technical scheme is that：
A kind of fast quick change section apparatus of continuous high-speed wind tunnel experiment section, it is characterised in that：By 4 power identical electricity
Motivation, 4 speed reducing ratio identical reductors, 4 axletrees, electric appliance control box and cable composition；4 motor and 4 subtract
4 wheels that fast machine is respectively cooperating with wind tunnel experiment section are installed, and reductor is installed on wheel bases, and passes through axletree and wheel phase
Connection, realizes the transmission of driving force；
One motor and a reductor constitute a set of independent drive device, motor and reductor direct connection；Electrical equipment
Control cabinet connects 4 sets of independent drive devices by cable；The start and stop of 4 sets of drive devices and rotating speed are only by electric appliance control box
Vertical control：
When experimental section is moved at a distance, 4 sets of drive devices are worked simultaneously with same rotating speed and direction, realize experimental section
Quick movement；
When experimental section is close to when wheel commutation or wind-tunnel interface position, 4 sets of drive device displacements are accurately controlled：
When longitudinally needing exactitude position, only two drive devices on the long rails of side are powered, experimental section is connect
Mouth produces longitudinal direction and swung, and realizes the accurate docking of experimental section lengthwise position；
When laterally needing exactitude position, only two drive devices on delayed side cross track are powered, make experiment
Micro movement before and after segment interface is produced, realizes the accurate docking of experimental section lateral attitude.
Further preferred scheme, a kind of fast quick change section apparatus of continuous high-speed wind tunnel experiment section, it is characterised in that：
Frequency converter, contactor, relay, and motor overload, phase sequence, phase failure protector are installed in the electric appliance control box.
Further preferred scheme, a kind of fast quick change section apparatus of continuous high-speed wind tunnel experiment section, it is characterised in that：
The reductor uses oblique-arc bevel gear nested type speed reducer of multi-stage speed-reducing；The motor uses frequency-conversion and speed-regulation motor.
Further preferred scheme, a kind of fast quick change section apparatus of continuous high-speed wind tunnel experiment section, it is characterised in that：
The actuating speed of experimental section movement is designed as double speed, is at a high speed 16.6cm/s, low speed is 1.66cm/s；It is used for experimental section at a high speed
Quick mobile, low speed is used to accurately control；Its high speed is rotating speed of the motor under rated frequency by reductor deceleration
The speed reached, low speed is the speed that rotating speed of the motor after frequency converter reduces frequency of supply slows down and reached by reductor
Degree.
Beneficial effect
The aligning accuracy of effective guarantee of the present invention wind tunnel experiment section, improves the operating efficiency for changing wind tunnel experiment section,
And the security risk for changing personnel and equipment during section is reduced, it is the quick-replaceable and essence of many experimental sections of continuous high-speed wind-tunnel
Really install and provide technical support.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Accompanying drawing 1 is continuous high-speed construction of wind tunnel schematic diagram；
1- axial flow compressors, 2- coolers, 3- stable sections, 4- experimental sections, 5- diffusers.
Accompanying drawing 2 is the fast quick change section apparatus front view of continuous high-speed wind tunnel experiment section；
6- experimental sections, 7- motor, 8- electric appliance control boxes, 9- cables, 10- reductors.
Accompanying drawing 3 is the fast quick change section apparatus top view of continuous high-speed wind tunnel experiment section；
6- experimental sections, 7- motor, 8- electric appliance control boxes, 9- cables, 10- reductors, 11- wheels, 12- axletrees,
13- cross tracks, 14- long rails.
Accompanying drawing 4 is the installation diagram of drive device and experimental section wheel；
15- wheel bases, 11- wheels, 12- axletrees, 7- motor, 10- reductors.
Accompanying drawing 5 is the fast quick change section apparatus of NF-6 high-speed wind tunnel binary experimental sections；
6- experimental sections, 7- motor, 8- electric appliance control boxes, 9- cables, 10- reductors.
Accompanying drawing 6 is the fast quick change section apparatus of NF-6 high-speed wind tunnel ternary experimental sections；
6- experimental sections, 7- motor, 8- electric appliance control boxes, 9- cables, 10- reductors.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " are, based on orientation shown in the drawings or position relationship, to be for only for ease of
The description present invention and simplified description, rather than indicate or imply that the device or element of meaning must have specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
The present embodiment is used for China's seat of honour continuous high-speed wind-tunnel-Northwestern Polytechnical University NF-6 supercharging continuous high-speed wind
Hole.NF-6 high-speed wind tunnels are laid out in reverse-flow type, are driven by an axial flow compressor, equipped with dual airfoil and ternary two realities of full machine
Section is tested, in the present embodiment, respectively binary experimental section and ternary experimental section are mounted with the fast quick change section apparatus of two sets of identicals (such as
Shown in Fig. 5, Fig. 6), the fast quick change section apparatus of binary experimental section includes 4 motor, 4 reductors, 4 axletrees, electrical equipment controls
Case and cable group, wherein：
4 wheels that 4 motor and 4 reductors are respectively cooperating with binary experimental section are installed, and reductor is installed on wheel
Base, and be connected by axletree with wheel, realize the transmission of driving force.4 reductor specifications and models are identical, and speed reducing ratio is equal
For 123.Motor and reductor direct connection, constitute the drive device of the fast quick change section apparatus of experimental section, and experimental section fortune is driven after energization
Dynamic, as shown in figure 4,4 motor specification models are identical, power is 0.75kw.Reductor used is a kind of multi-stage speed-reducing
Tiltedly-arc bevel gear nested type speed reducer, the reductor speed reducing ratio is big, and compact conformation, noise is low.Motor used is general change
Frequency modulation electric motor with speed, the motor Frequency Converter Control can set output speed plus (subtracting) fast time, parking system as required
Kinetic moment.
Be provided with the fast quick change section apparatus electric appliance control box of binary experimental section the sinusoidal frequency converter of EM303-4R0G4kw three-dimensionals,
The component such as CJX2-0901 low voltage AC contactors, relay and motor overload, phase sequence, phase failure protector.Electric appliance control box
Powered for drive device, the operation or adjustment of test section are set by multifunction rotary switches.
The fast quick change section apparatus of ternary experimental section is same by 4 motor, 4 reductors, 4 axletrees, electrical equipment controls
Case and cable group are constituted, and each parts and electrical equipment are identical with the fast quick change section apparatus of binary experimental section.
In the present embodiment, the fast quick change section apparatus of binary experimental section and the fast quick change section apparatus experimental section movement of ternary experimental section
Actuating speed be both designed as double speed, be at a high speed 16.6cm/s, low speed is 1.66cm/s.It is used at a high speed move over long distances, low speed
For docking in place.It is the speed that rotating speed of the motor under rated frequency slows down and reached by reductor at a high speed, low speed is
The speed that rotating speed of the motor after frequency converter reduces frequency of supply slows down and reached by reductor.
In the present embodiment, the exchange of binary experimental section and ternary experimental section needs experimental section to complete vertical and horizontal two
The motion in direction, during experimental section lengthwise movement, goes to wheel the position parallel with long rails；During experimental section transverse movement,
Wheel is gone to the position parallel with cross track.It is fitted with 4 wheels of wind tunnel experiment section by motor and reductor
4 sets of independent drive devices of composition, the start and stop of 4 sets of drive devices and rotating speed can be with independent controls.Moved at a distance in experimental section
When dynamic, 4 sets of drive devices are worked simultaneously with same rotating speed and direction, realize the quick movement of experimental section.When experimental section connects
Nearly wheel commutation or wind-tunnel interface position, must accurately be controlled its displacement.It is only vertical to side in longitudinal exactitude position
Being powered to two sets of drive devices on track makes it advance or retreat, and realizes the accurate docking of experimental section lengthwise position；In horizontal stroke
During to exactitude position, only two sets of drive devices on delayed side cross track are powered, the interface of experimental section is micro- before and after producing
Amount movement, realizes the accurate docking of experimental section lateral attitude.By accurately controlling 4 sets of the independent of drive device, most at last
Experimental section to be replaced is moved to required position.
Testing results result shows, after technical scheme, and the displacement accuracy of experimental section has been obtained further
Improve, realize the accurate merging precision of experimental section and wind tunnel body；Change a time was foreshortened to 3 hours by original 8 hours, was changed
The operating efficiency of experimental section effectively improves；The external device (ED)s such as pull line have been abandoned, experimental section has been realized and changes section apparatus
Integrated design, reduce the security risk of experimenter and equipment.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art is not departing from the principle and objective of the present invention
In the case of above-described embodiment can be changed within the scope of the invention, change, replace and modification.
Claims (4)
1. a kind of fast quick change section apparatus of continuous high-speed wind tunnel experiment section, it is characterised in that：By 4 power identical motor, 4
Platform speed reducing ratio identical reductor, 4 axletrees, electric appliance control box and cable composition；4 motor and 4 reductors point
Not Pei He wind tunnel experiment section 4 wheels install, reductor is installed on wheel bases, and is connected by axletree with wheel,
Realize the transmission of driving force；
One motor and a reductor constitute a set of independent drive device, motor and reductor direct connection；Electrical equipment control
Case connects 4 sets of independent drive devices by cable；The start and stop of 4 sets of drive devices and rotating speed are independently controlled by electric appliance control box
System：
When experimental section is moved at a distance, 4 sets of drive devices are worked simultaneously with same rotating speed and direction, realize the fast of experimental section
Speed is mobile；
When experimental section is close to when wheel commutation or wind-tunnel interface position, 4 sets of drive device displacements are accurately controlled：
When longitudinally needing exactitude position, only two drive devices on the long rails of side are powered, experiment segment interface is produced
Raw longitudinal direction swings, and realizes the accurate docking of experimental section lengthwise position；
When laterally needing exactitude position, only two drive devices on delayed side cross track are powered, experimental section is connect
Micro movement before and after mouth is produced, realizes the accurate docking of experimental section lateral attitude.
2. the fast quick change section apparatus of a kind of continuous high-speed wind tunnel experiment section according to claim 1, it is characterised in that：The electricity
Frequency converter, contactor, relay, and motor overload, phase sequence, phase failure protector are installed in device control cabinet.
3. a kind of fast quick change section apparatus of continuous high-speed wind tunnel experiment section according to claim 1 or claim 2, it is characterised in that：Institute
State oblique-arc bevel gear nested type speed reducer that reductor uses multi-stage speed-reducing；The motor uses frequency-conversion and speed-regulation motor.
4. the fast quick change section apparatus of a kind of continuous high-speed wind tunnel experiment section according to claim 2, it is characterised in that：Experimental section
Mobile actuating speed is designed as double speed, is at a high speed 16.6cm/s, low speed is 1.66cm/s；It is used for the quick shifting of experimental section at a high speed
Dynamic, low speed is used to accurately control；Its high speed is that rotating speed of the motor under rated frequency slows down and reached by reductor
Speed, low speed is the speed that rotating speed of the motor after frequency converter reduces frequency of supply slows down and reached by reductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710353447.0A CN107036779B (en) | 2017-05-18 | 2017-05-18 | Continuous high-speed wind tunnel experiment section rapid section changing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710353447.0A CN107036779B (en) | 2017-05-18 | 2017-05-18 | Continuous high-speed wind tunnel experiment section rapid section changing device |
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| Publication Number | Publication Date |
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| CN107036779A true CN107036779A (en) | 2017-08-11 |
| CN107036779B CN107036779B (en) | 2023-02-28 |
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| CN201710353447.0A Active CN107036779B (en) | 2017-05-18 | 2017-05-18 | Continuous high-speed wind tunnel experiment section rapid section changing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108896267A (en) * | 2018-07-27 | 2018-11-27 | 中国空气动力研究与发展中心高速空气动力研究所 | A kind of test chamber replacing options |
| CN112393874A (en) * | 2021-01-18 | 2021-02-23 | 中国空气动力研究与发展中心低速空气动力研究所 | Connection replacement method and device between wind tunnel contraction section and test section |
| CN113109018A (en) * | 2021-04-27 | 2021-07-13 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Model replacement method suitable for small continuous type cross supersonic wind tunnel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20020083763A1 (en) * | 2000-12-28 | 2002-07-04 | Yu-Chu Li | Low speed wind tunnel with adjustable moving boundary |
| CN2656979Y (en) * | 2003-11-03 | 2004-11-17 | 鞍山市光学仪表有限公司 | Low speed wind tunnel detecting device |
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2017
- 2017-05-18 CN CN201710353447.0A patent/CN107036779B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020083763A1 (en) * | 2000-12-28 | 2002-07-04 | Yu-Chu Li | Low speed wind tunnel with adjustable moving boundary |
| CN2656979Y (en) * | 2003-11-03 | 2004-11-17 | 鞍山市光学仪表有限公司 | Low speed wind tunnel detecting device |
Non-Patent Citations (1)
| Title |
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| 廖达雄等: "连续式跨声速风洞设计关键技术", 《实验流体力学》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108896267A (en) * | 2018-07-27 | 2018-11-27 | 中国空气动力研究与发展中心高速空气动力研究所 | A kind of test chamber replacing options |
| CN112393874A (en) * | 2021-01-18 | 2021-02-23 | 中国空气动力研究与发展中心低速空气动力研究所 | Connection replacement method and device between wind tunnel contraction section and test section |
| CN112393874B (en) * | 2021-01-18 | 2021-03-23 | 中国空气动力研究与发展中心低速空气动力研究所 | Connection replacement method and device between wind tunnel contraction section and test section |
| CN113109018A (en) * | 2021-04-27 | 2021-07-13 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Model replacement method suitable for small continuous type cross supersonic wind tunnel |
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| CN107036779B (en) | 2023-02-28 |
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