CN109855837A - The semi-constrained emitter of model and test method of water test are entered and left for aircraft - Google Patents
The semi-constrained emitter of model and test method of water test are entered and left for aircraft Download PDFInfo
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- CN109855837A CN109855837A CN201811480791.7A CN201811480791A CN109855837A CN 109855837 A CN109855837 A CN 109855837A CN 201811480791 A CN201811480791 A CN 201811480791A CN 109855837 A CN109855837 A CN 109855837A
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Abstract
The present invention relates to the semi-constrained emitters of model and test method that water test is entered and left for aircraft, belong to Aviation Test engineering device technique field.C-type guide rail supporting frame is equipped in the sink of the device；The guide rail to match with support frame is equipped in c-type guide rail supporting frame, c-type guide rail supporting frame is slided along sink extending direction；The guide rail is equipped with slidable trigger mechanism；Test model is arranged on trigger mechanism；Trigger mechanism is connected by tension spring with sink.The test method enters water, is discharged, plunders water test using different angle analogs is different, the present invention enters and leaves the test method of the semi-constrained emitter of model of water test for aircraft, the semi-constrained emitter of model and analogy method, by adjusting the tension of the tension spring on trigger mechanism, test model can be launched into the speed of setting, to meet requirement of the experimental study to aircraft speed index.
Description
Technical field
The present invention relates to the semi-constrained emitters of model and test method that water test is entered and left for aircraft, belong to aviation
Experimental rig technical field.
Background technique
Aircraft Water Exit is the advanced dynamic process of transition, be related to slamming, invade it is wet, band water turbomachinery phenomena such as and
The challenges such as shock loading evaluation and test and drop load design, the control of Water Exit attitude stability, have important research value.
Currently, the countries in the world generally free projectile of use high speed/there are constraint projectile sink, large pool, high speed sink etc.
Testing equipment carries out aircraft and enters and leaves wate research.Under the conditions of free projectile, model is up to fair speed and can definitely reflect
Water state is entered and left, but is constrained due to lacking, unstability may occur for model attitude, thus have larger risk.There is about beam
Under the conditions of bullet, model can be launched into fair speed along restraint device, have preferable safety, but due to suffering restraints
Effect, cannot definitely reflect discrepancy water state, be unfavorable for Water Exit test and carry out.
Summary of the invention
The technical problem to be solved by the present invention is to aiming at the problem that background technique, provide to try for aircraft Water Exit
The semi-constrained emitter of the model tested, uses semi-constrained method, and Controlling model athletic posture guarantees safety, so that model
The parameters such as speed, Water Exit angle meet test requirements document；Meanwhile influence of the restraint device to model Water Exit is reduced or eliminated,
So that test can definitely reflect that model enters and leaves water state.
The present invention is in order to solve the above technical problems, adopt the following technical scheme that
The model semi-constrained emitter of the present invention that water test is entered and left for aircraft, including the sink for test,
C-type guide rail supporting frame is equipped in the sink；The guide rail to match with support frame, c-type guide rail are equipped in c-type guide rail supporting frame
Support frame is slided along sink extending direction；The guide rail is equipped with slidable trigger mechanism；Test model is arranged on transmitter；
Trigger mechanism is connected by tension spring with sink.
The model semi-constrained emitter of the present invention that water test is entered and left for aircraft, the c-type guide rail branch
The middle part of support is arranged on sink by pedestal；Pedestal is arranged at the top of the horizontal plane of sink；Horizontal plane of the pedestal in sink
Top slide.
The model semi-constrained emitter of the present invention that water test is entered and left for aircraft, the c-type guide rail branch
It is following in the middle part of support to immerse sink；It is above in the middle part of c-type guide rail supporting frame to be higher than sink.
The model semi-constrained emitter of the present invention that water test is entered and left for aircraft, it is vertical in the sink
Support plate is equipped in horizontal plane；Two sidewalls are respectively equipped with support plate in sink, and support plate is arranged in parallel；On trigger mechanism
Tension spring is mutually fixed with support plate respectively.
The model semi-constrained emitter of the present invention that water test is entered and left for aircraft, the bottom surface of the sink
Upper laying buffer layer.
The model semi-constrained emitter of the present invention that water test is entered and left for aircraft, the guide rail are arranged in
On the intrados of c-type guide rail supporting frame.
The model semi-constrained emitter of the present invention that water test is entered and left for aircraft, the guide rail are two
Root, and be arranged parallel.
The test method of the model semi-constrained emitter of the present invention that water test is entered and left for aircraft,
1) it is filled the water in sink when, testing, near liquid level screw clamp upper opening, c-type support for travel way lower half portion is immersed at this time
In water；
2) it, is powered to simulator, test model is pull-in on trigger mechanism, and tension spring is in tight state；By adjusting transmitting
Trigger mechanism is in the water surface top of guide rail by position of the mechanism on guide rail, is carried out simulation test model and is entered water transport dynamic test；
Trigger mechanism is in the water surface of guide rail hereinafter, carrying out simulation test model water outlet exercise test；Trigger mechanism position is adjusted
To guide rail and water surface joint, carries out simulation test model and plunder water surface flying test；
3) it, is powered off on trigger mechanism, test model carries out actuation by the tension of tension spring；
4), when test model is by near support plate, tension spring releases tension, and test model is utilized in no restrained condition
The motion state and flow behavior of testing equipment observation and record test model analyze the Water Exit characteristic of test model, or examination
Test the hydrodynamics characteristic that model plunders water surface flying characteristic or test model moves under water.
The present invention enters and leaves the test method of the semi-constrained emitter of model of water test for aircraft, and aircraft model exists
Accelerate and acted on when retarded motion and be constrained in certain motion limit by tension spring, and by when test observation not by tension spring
Constraint and be in free movement state, and reach maximum movement speed.
The present invention enters and leaves the test method of the semi-constrained emitter of model of water test for aircraft, can carry out aircraft
The discrepancy water test of test model can also be carried out and plunder water surface flying test or submerged level emission test.
The present invention uses the above technological means, has following technical effect that
The present invention enters and leaves the test method of the semi-constrained emitter of model of water test, the semi-constrained transmitting dress of model for aircraft
It sets and analogy method, by adjusting the tension of the tension spring on trigger mechanism, test model can be launched into the speed of setting, thus
Meet requirement of the experimental study to aircraft speed index.
The present invention enters and leaves the test method of the semi-constrained emitter of model of water test for aircraft, during the launch process
By being connected with tension spring, test model athletic posture is in controllable state always, the sink that avoids accidental collision, the accidents such as hurt sb.'s feelings
Generation.
The present invention enters and leaves the test method of the semi-constrained emitter of model of water test for aircraft, in the traction of tension spring
Under, when test model in underwater or air by moving near the water surface, tension spring is in relaxed state, and tension spring is to test model
Tension is reduced to zero, and test model is moved in no restrained condition, to meet the experimental study of the free Water Exit of submarine navigation device
It needs.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Specific embodiment
To keep purpose and the technical solution of the embodiment of the present invention clearer, below in conjunction with the attached of the embodiment of the present invention
Figure, is clearly and completely described the technical solution of the embodiment of the present invention.Obviously, described embodiment is of the invention
A part of the embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, those of ordinary skill in the art
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of being not necessarily to creative work.
The semi-constrained emitter of model for entering and leaving water test for aircraft as shown in Figure 1:, including the sink for test
1, sink 1 is interior to be equipped with c-type guide rail supporting frame 2；Two guide rails 10 are installed on the inside of c-type support for travel way 2；C-type guide supporting
Frame 2 is slided along 1 extending direction of sink；Guide rail 10 is equipped with slidable trigger mechanism 4；Test model is arranged on trigger mechanism 4
5；Trigger mechanism 4 is connected by tension spring 6 with sink 1.
C-type support for travel way 2 is installed on the base 3.Pedestal 3 can adjust c-type guide supporting along 1 horizontal movement of sink
The position of device 2.
Trigger mechanism 4 can be moved with guide rail 10, while test model 5 being driven to move synchronously along guide rail 10, to change examination
Test the direction of the launch of model 5.
The fixed test model 5 in the way of electromagnetic actuation of trigger mechanism 4.When the solenoid is energized, test model 5 by
The effect of electromagnetic actuation power is fixed on trigger mechanism 4.When the electromagnet is powered off, test model 5 will not be subject to electromagnetism
The effect of iron the suction-combining force is launched away under the tension force effect of tension spring 6.Test model 5 is reciprocal under the tension force effect of tension spring 6
Movement, until decaying to stationary state by the resistance of water.
6 one end of tension spring is connected on test model 5, and the other end is connected in support plate 7.Support plate 7 can be in vertical direction
Movement, so as to adjust the vertical position of 6 fixed point of tension spring.
The relative position between pedestal 3 and support plate 7 is adjusted, the relaxation or tight state of tension spring 6 can be changed.
Buffer layer 8, the safety of protection test model 5 and sink 1 are laid in sink bottom surface 9.
Test method of the invention is as follows:
It is filled the water in sink 1 when test, near 1 upper opening of liquid level screw clamp, 2 lower half portion of c-type support for travel way is immersed at this time
In water.
Test model 5 is mounted on tension spring 6,6 other end of tension spring is mounted in support plate 7, adjusts the vertical of support plate 7
Direction position, so that tension spring 6 is located near liquid level in the fixed point in support plate 7.
Pedestal 3 is mobile to 7 position of support plate, test model 5 is installed on trigger mechanism 4 together with tension spring 6, this
When be closer due to pedestal 3 and support plate 7, tension spring 6 is in relaxed state, and the electromagnet on trigger mechanism 4 is in and is powered
State fixes test model 5 by actuation.
Pedestal 3 is mobile to the direction far from support plate 7, so that tension spring 6 is in tight state, and reach certain pulling force
Value.
Position of the trigger mechanism 4 on guide rail 10 is adjusted, the direction of the launch of test model 5 is changed.If carry out water outlet or
Test model 5 is then moved to specific position on underwater or the water surface along guide rail 10 by water entry test, so that the water surface is directed toward in transmitting,
And there is certain water outlet or enter the water angle of departure.If water surface flying test is plunderred in development, test model 5 is moved along guide rail 10
Above to the water surface, while 7 vertical position of support plate is adjusted, so that tension spring 6 is located above the water surface in the fixed point in support plate 7,
So that horizontal direction is directed toward in transmitting.If carrying out submerged level emission test, test model 5 is moved to the water surface along guide rail 10
Lower section, while 7 vertical position of support plate is adjusted, so that tension spring 6 is located at below the water surface in the fixed point in support plate 7, so that hair
Penetrate direction horizontal direction.
Release emits signal, the electromagnet power-off on trigger mechanism 4, and test model 5 loses the actuation effect of electromagnet, and
In the preset water outlet of the tension force effect lower edge of tension spring 6 or the movement of immersion angle degree.As test model 5 is to the fortune in 7 direction of support plate
Dynamic, it is zero that the tension of tension spring 6 is gradually become smaller by maximum value, at the same test model 5 by tension spring 6 tension force effect and accelerate to transport
It is dynamic, and reach maximum speed when 6 tension of tension spring is reduced to zero.The speed, which is that test model 5 is required in test, to be reached
Target velocity.If carrying out water outlet or water entry test, reach maximum speed when test model 5 is near the water surface, at this point, tension spring 6
Tension is reduced to zero, and test model 5 is in no restrained condition near the water surface.If water surface flying test or underwater water are plunderred in development
Flat emission test, test model 5 reach maximum speed when reaching 7 position of support plate, and in no restrained condition.
When test model 5 is in no restrained condition, the motion state of test model 5 is observed and recorded using testing equipment
And flow behavior, it analyzes the Water Exit characteristic of test model 5 or test model 5 plunders water surface flying characteristic or test model 5 exists
The hydrodynamics characteristic of sub-aqua sport.
Continue to move with test model 5, the distance between test model 5 and support plate 7 become larger, and tension spring 6 is opened
Power is become larger by zero.Test model 5 replys stress, the restraining force increasing by tension spring 6 and retarded motion, until test
It is zero that model 5, which decelerates to speed, it is ensured that test model 5 has the boundary of movement after being launched, and will not collide the side of sink 1
Wall and sink bottom surface 9.
Test model 5 will continue to continue to move back and forth several times under the tension force effect of tension spring 6, until its resistance by water
And decay to stationary state.
The present invention enters and leaves the test method of the semi-constrained emitter of model of water test for aircraft, during the launch process
By being connected with tension spring, test model athletic posture is in controllable state always, the sink that avoids accidental collision, the accidents such as hurt sb.'s feelings
Generation.
The present invention enters and leaves the test method of the semi-constrained emitter of model of water test for aircraft, in the traction of tension spring
Under, when test model in underwater or air by moving near the water surface, tension spring is in relaxed state, and tension spring is to test model
Tension is reduced to zero, and test model is moved in no restrained condition, to meet the experimental study of the free Water Exit of submarine navigation device
It needs.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims
Subject to.
Claims (8)
1. entering and leaving the semi-constrained emitter of model of water test for aircraft, including the sink (1) for test, feature exists
In: c-type guide rail supporting frame (2) are equipped in the sink (1)；It is equipped in c-type guide rail supporting frame (2) and to match with support frame
Guide rail (10), c-type guide rail supporting frame (2) are slided along sink (1) extending direction；The guide rail (10) is equipped with slidable transmitting
Mechanism (4)；Test model (5) are arranged on trigger mechanism (4)；Trigger mechanism (4) is connected by tension spring (6) with sink (1).
2. the model semi-constrained emitter according to claim 1 for entering and leaving water test for aircraft, it is characterised in that:
The middle part of the c-type guide rail supporting frame (2) is arranged on sink (1) by pedestal (3)；Pedestal (3) is arranged in sink (1)
At the top of horizontal plane；Horizontal plane top slide of the pedestal (3) in sink (1).
3. the model semi-constrained emitter according to claim 1 or 2 for entering and leaving water test for aircraft, feature exist
In: it is following in the middle part of the c-type guide rail supporting frame (2) to immerse sink (1)；It is above in the middle part of c-type guide rail supporting frame (2) to be higher than sink
(1).
4. the model semi-constrained emitter according to claim 1 for entering and leaving water test for aircraft, it is characterised in that:
Support plate (7) are equipped with perpendicular to horizontal plane in the sink (1)；Sink (1) interior two sidewalls are respectively equipped with support plate (7), branch
Fagging (7) is arranged in parallel；Tension spring (6) on trigger mechanism (4) is mutually fixed with support plate (7) respectively.
5. the model semi-constrained emitter according to claim 1 for entering and leaving water test for aircraft, it is characterised in that:
Buffer layer (8) are laid on the bottom surface (9) of the sink (1).
6. the model semi-constrained emitter according to claim 1 for entering and leaving water test for aircraft, it is characterised in that:
The guide rail (10) is arranged on the intrados of c-type guide rail supporting frame (2).
7. the model semi-constrained emitter according to claim 6 for entering and leaving water test for aircraft, feature exist
In: the guide rail (10) is two, and is arranged parallel.
8. being filled according to the described in any item semi-constrained transmittings of model for entering and leaving water test for aircraft of the claims 1 to 7
The test method set, it is characterised in that: test procedure is as follows
1) water filling in sink (1) when, testing, near 1 upper opening of liquid level screw clamp, c-type support for travel way (2) lower half at this time
Divide and is immersed in the water；
2) it, is powered to simulator, test model (5) is pull-in on trigger mechanism (4), and tension spring (6) is in tight state；Pass through
The position of trigger mechanism (4) on guide rail (10) is adjusted, trigger mechanism (4) is in the water surface top of guide rail (10), carries out mould
Quasi- test model (5) enter water transport dynamic test；Trigger mechanism (4) is in the water surface of guide rail (10) hereinafter, carrying out simulation test mould
Type (5) is discharged exercise test；Trigger mechanism position is adjusted to guide rail and water surface joint, simulation test model (5) is carried out and plunders
Water surface flying test；
3) it, is powered off on trigger mechanism (4), test model (5) carries out actuation by the tension of tension spring (6)；
4), when test model (5) pass through support plate (7) nearby, tension spring (6) releases tension, and test model (5) is in without about
Pencil state is observed and is recorded using testing equipment the motion state and flow behavior of test model (5), analyzes test model (5)
Water Exit characteristic or test model (5) plunders water surface flying characteristic or test model (5) moves under water hydrodynamics it is special
Property.
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| CN201811480791.7A CN109855837B (en) | 2018-12-05 | 2018-12-05 | Model semi-constrained launching device for aircraft water inlet and outlet test and test method |
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| CN201811480791.7A CN109855837B (en) | 2018-12-05 | 2018-12-05 | Model semi-constrained launching device for aircraft water inlet and outlet test and test method |
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| CN109855837B CN109855837B (en) | 2020-07-07 |
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| CN111220352A (en) * | 2020-01-19 | 2020-06-02 | 中国科学院力学研究所 | Variable-angle hydrofoil constraint water inlet experimental device |
| CN111351631A (en) * | 2020-03-30 | 2020-06-30 | 中国科学院力学研究所 | Water inlet and outlet experimental device for constrained emission |
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| CN113008515A (en) * | 2021-02-26 | 2021-06-22 | 中国船舶科学研究中心 | Multi-angle water-entering simulation auxiliary device and method for winged cone model |
| CN114275189A (en) * | 2021-12-29 | 2022-04-05 | 绵阳小巨人动力设备有限公司 | Fixing and recovering device for underwater launching simulation of navigation device |
| CN114379820A (en) * | 2022-03-24 | 2022-04-22 | 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 | Variable-angle variable-speed model water outlet and inlet device |
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| CN111220352B (en) * | 2020-01-19 | 2020-12-11 | 中国科学院力学研究所 | Variable-angle hydrofoil constraint water inlet experimental device |
| CN111351631A (en) * | 2020-03-30 | 2020-06-30 | 中国科学院力学研究所 | Water inlet and outlet experimental device for constrained emission |
| CN111874261A (en) * | 2020-07-01 | 2020-11-03 | 中山大学 | Test platform suitable for free surface movement measurement is striden to model |
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| CN113008515A (en) * | 2021-02-26 | 2021-06-22 | 中国船舶科学研究中心 | Multi-angle water-entering simulation auxiliary device and method for winged cone model |
| CN114275189A (en) * | 2021-12-29 | 2022-04-05 | 绵阳小巨人动力设备有限公司 | Fixing and recovering device for underwater launching simulation of navigation device |
| CN114379820A (en) * | 2022-03-24 | 2022-04-22 | 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 | Variable-angle variable-speed model water outlet and inlet device |
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