CN209719957U - The experimental rig of dynamic analog aircraft windward side and rotor by environmental attack - Google Patents
The experimental rig of dynamic analog aircraft windward side and rotor by environmental attack Download PDFInfo
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- CN209719957U CN209719957U CN201920012863.9U CN201920012863U CN209719957U CN 209719957 U CN209719957 U CN 209719957U CN 201920012863 U CN201920012863 U CN 201920012863U CN 209719957 U CN209719957 U CN 209719957U
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Abstract
The utility model discloses a kind of dynamic analog aircraft windward side and rotors by the experimental rig of environmental attack; in the operating condition for dynamic analog and check flight device windward side and lifting airscrew; under the corrosive environments such as wind and rain, salt fog, acid rain is caused to coating, protective film, substrate the case where corroding; examine the validity of coating, protective film and material; the experimental rig includes: rain simulator, for spraying water to simulate corrosion misty rain environment；Rotating arm mainly includes both arms balance blade, has the sample placement section for symmetrically placed one or more pairs of samples on the both arms balance blade；The middle part of the rotating arm is vertically fixedly connected with a rotary shaft, and the rotary shaft is driven by driving device.The utility model tests material in the environment of dynamic, and test result is truer, really simulates in aircraft flight by the environmental attacks situation such as rainwater, salt fog, acidic atmosphere.
Description
Technical field
The utility model relates to a kind of dynamic analog aircraft windward side and rotors by the experimental rig of environmental attack, for examining
Aircraft windward side and lifting airscrew are tested in the operating condition, to coating, protective film, base when being exposed under corrosive environment
Material causes the case where corroding, and examines the validity of coating, protective film and material.
Background technique
Working environment locating for aircraft is often subject to the influence of rain-impact, salt air corrosion, acidic atmosphere etc., in order to extend
Service life usually does coating or supplementary protection film process outside aircraft structure, and these coatings and protective film are flying
Device work in the environment of validity how can not learn, at present can only by done before coming into operation some static tests come
Detect the performance of material.
It is drop rain, the weathering equipment such as drench with rain that current " static test " be most of, and easy stable state is drenched with rain the principle of device
It is: water or salt water is allowed to ooze from distributor, Simulated rainwater environment and salt mist environment achieve the purpose that carry out salt fog test,
But rainfall can only be adjusted in current static test device, and detected materials are then placed in static always.Therefore, this
Test method can not simulate true flight environment of vehicle:
On the one hand, rainwater is designed to pat test material or component with certain speed, but tests designed speed
The speed under the real state of flight of aircraft is far not achieved；
On the other hand, test specimen is stationary state under experimental condition, and truth sleets and aircraft is all movement
, there is certain speed difference between the two.
Utility model content
The utility model provides a kind of experimental rig, is a kind of dynamic analog aircraft windward side and rotor by environmental attack
Experimental rig is used for check flight device windward side and lifting airscrew in the operating condition, and it is right under corrosive environment to be exposed to
Coating, protective film, substrate cause the case where corroding, and examine the validity of coating, protective film and material.
The technical solution of the utility model is as follows:
A kind of experimental rig, for dynamic analog and check flight device windward side and lifting airscrew in working condition
Under, under corrosive environment is caused to coating, protective film, substrate the case where corroding, examines the effective of coating, protective film and material
Property, the experimental rig includes:
Rain simulator, for spraying water to simulate corrosion misty rain environment；
Rotating arm mainly includes both arms balance blade, is respectively provided on two blades for symmetrically placed one or more pairs of
The sample placement section of sample；The middle part of the rotating arm is vertically fixedly connected with a rotary shaft, and the rotary shaft is driven by driving device
It is dynamic.
In a preferred embodiment, the diameter of the rotating arm is 1.3m~2m, each blade surface on it
With the sample placement section；Each sample placement section on two blades can symmetrically accommodate two panels or four samples, example
Such as the sample of 15cm long.
In a preferred embodiment, the end face of the blade is cambered surface.Cambered surface design, which can be imitated preferably, goes straight up to
The leading edge portion shape of machine blade end face and fixed-wing windward side.
In a preferred embodiment, the driving device includes motor, and the motor edge is parallel to the rotary shaft
Direction setting, and the transmitting of power is carried out between the motor and the rotary shaft by transmission mechanism.
In a preferred embodiment, the electric machine casing be equipped with vibrating sensor, with sense rotating arm level and
Vertical displacement simulates the displacement of practical flight.
In a preferred embodiment, the experimental rig further includes the first external shell, and the rotating arm is located at described
Within first external shell；The experimental rig further includes the second external shell, and the motor is arranged in second external shell
Within body；The rotary shaft passes through first external shell and second external shell.
In a preferred embodiment, the rain simulator mainly includes water tank, water pump, back with water inlet line, several nozzles,
The water tank is arranged within second external shell, the water pump and back with water inlet line setting in second external shell and
The outside in first external shell space, the nozzle are arranged in the top of first external shell, and are located at described the
The inside in one external shell space.More specifically, being equipped with accommodating body within second external shell, the water tank is arranged in institute
It states on accommodating body；The rotary shaft is each passed through the upper cover of second external shell and the bottom surface of the accommodating body and passes through
Two bearings are pivoted with the bottom surface of the upper cover of second external shell and the accommodating body and connect.
In a preferred embodiment, the bottom surface of first external shell is equipped with drain hole, connects under the drain hole
There is tapping pipe, the tapping pipe is connected to the water tank.It is described that such structure setting is recovered to the water after test
In water tank.
In a preferred embodiment, the back with water inlet line is equipped with pressure regulator and flowmeter, for controlling rainfall
Rate；The incident angle of the nozzle can change, to adjust spray height.
In a preferred embodiment, the nozzle setting is multiple, and multiple nozzles are equidistant installation；It is described
Rain simulator further includes multiple rainfall gauges, and the rainfall gauge is placed in below nozzle.It is highly preferred that there are four the nozzles；
The rainfall is calculated as four, and four vertical installations of rainfall gauge, four rainfall gauges are separated with about 90 degree, and
The top of each measuring cup is set to be higher than 2.5~3 centimetres of blade, preferably 2.5cm.
In a preferred embodiment, the experimental rig further includes frame structure, the rain simulator and the rotation
Pivoted arm is respectively positioned in the frame structure.
In a preferred embodiment, the experimental rig further includes control system, and the control system includes: control
Cabinet, video camera and light, rainfall control subsystem, computer monitor.
Compared with prior art, the beneficial effects of the utility model are as follows:
The utility model simulates rainwater, salt fog, acid suffered by windward side and rotor in aircraft flight by rotating arm
The corrosive environment of the real works states such as property atmosphere, realizes and is tested when sample is in dynamic；In the environment of dynamic
Material is tested, not only adjustable rain speed, the angle of rainwater, but also the speed of adjustable rotor/windward side, really
The erosion condition in aircraft flight by rainwater is simulated, and different types of examination can be placed in the different location of rotating arm
Sample, simulate various types of aircraft blades under different rotating speeds salt fog test as a result, test result is truer, can be real
It simulates in aircraft flight by the environmental attacks situation such as rainwater, salt fog, acidic atmosphere.
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
Fig. 1, which drenches with rain or drips for stable state in the prior art, tests the schematic diagram of easy device；
Fig. 2 is the side view of the experimental rig of the utility model embodiment；
Fig. 3 is the A-A cross-sectional view of Fig. 2 experimental rig of the utility model embodiment；
Fig. 4 is the top view of the experimental rig of the utility model embodiment；
Fig. 5 (a), (b) are the top view and side view of the rotating arm of the experimental rig of the utility model embodiment；
Fig. 6 (a), (b) are the front view and side view of the frame of the utility model embodiment.
Specific embodiment
Currently, aircraft is drenched with rain, experiment needs corrosion type to be simulated mainly as follows:
Salt air corrosion.In greater coasting area flight, the characteristics of marine atmosphere is that humidity is high, salt content is high, containing a large amount of
Chloride ion, these chloride ions settle aboard, and the effect of catalyzed corrosion is played to structural member.So the salt in marine atmosphere
Mist has very big corrosiveness to aircaft configuration.
Raindrop erosion.The effect that aircraft is corroded by rain drop erosion for a long time, will cause the stripping of surface protection coating and covering
It falls.China the greater part is under the SE Monsoon and southwest monsoon control of warm and damp, and rainfall is big, in coastal waters and sea
Domain flight, unavoidably will receive the deflation of sea wind.
Vapour corrosion.The usual coastal aircraft used is more serious than interior ground, regional more serious, the seaplane closer from seashore
Generally corrode than land plane more serious.This is because steam can enter aircaft configuration gap position and other easy ponding, vulnerable to
Damp position.In addition, steam can accelerate falling off and entering interior of aircraft for aircraft surfaces coating, long duration of action will cause winged
The corrosion of machine structural member.
Acidic atmosphere.Recently as the exacerbation of air pollution, sour gas, including oxysulfide, nitrogen oxides etc. its
His chemical combination substance, content is higher and higher in an atmosphere for this kind of gas, and the presence of sour gas will increase to aircraft surface
Corrode and influences its service life.
And currently used for the equipment of salt fog test as shown in Figure 1, the equipment of this kind of salt fog test is that easy stable state is drenched with rain
Device allows water or salt water to ooze from water droplet distributor, Simulated rainwater environment and salt mist environment, reaches and carries out salt fog test
Purpose, but rainfall can only be adjusted in this device, and detected materials are then in static placement.And true flight environment of vehicle, it applies
Material and Protective coatings will be attached to aircraft blade surface and carry out dynamic flying, and current device can not simulate this point.
The utility model can be operated with real simulation fixed wing aircraft windward side or lifting airscrew in high-speed flight
Cheng Zhong encounters the environment such as rainwater weather, coastal salt fog, acidic atmosphere, to the materials such as coating and protective film outside windward side or rotor
The influence of material, check flight device windward side and lifting airscrew in the operating condition, be exposed under corrosive environment to coating,
Protective film, substrate cause the case where corroding, and examine the validity of coating, protective film and material.
The utility model is further described below with specific embodiment.
Embodiment 1
Referring to Figure 1, a kind of experimental rig provided in this embodiment, for dynamic analog and check flight device windward side with
And lifting airscrew is in the operating condition, is exposed under corrosive environment and causes the case where corroding to coating, protective film, substrate,
The validity of coating, protective film and material is examined, the experimental rig includes:
Rain simulator, for spraying water to simulate misty rain environment；Rain simulator mainly include water tank 11, water pump 12, into
Water pipeline 13, nozzle 14；
Rotating arm 2 includes mainly both arms balance blade, incorporated by reference to referring to Fig. 5, wherein be respectively provided with use on two blades
In the sample placement section 21 of symmetrically placed multipair sample, a pair can also be only arranged in sample placement section in alternative embodiments,
The utility model does not limit the setting quantity of sample placement section；Referring again to Fig. 1, the middle part of the rotating arm 2 is with Vertical Square
Formula is fixedly connected with a rotary shaft 3, and the rotary shaft 3 is driven by driving device；Specifically in the present embodiment, driving device includes electricity
Machine 41, the motor 41 are arranged along the direction for being parallel to the rotary shaft 3, and between the motor 41 and the rotary shaft 3
The transmitting of power is carried out by transmission mechanism 42；The motor 41 be, for example, 30~35kw, 3000~4000 turns per minute, specifically
Such as 3555 turns, 440V, 3 phases, 60Hz, vertical-transmission；
First external shell 51 and the second external shell 52, first external shell 51 of the present embodiment are hollow cylinder
Shape, the second external shell 52 are the hollow cylinder bodily form；Wherein, the water tank 11 is lain in a horizontal plane in inside the second external shell 52
On one accommodating body 521, motor 41 is fixed on the side of the second external shell 52；Rotary shaft 3 passes through second external shell
52 upper cover and the bottom surface of accommodating body 521 and the upper cover and accommodating body 521 for passing through bearing 8 and second external shell 52 respectively
Bottom surface realize be pivotally connected, this both ends support construction increases antiwhip；Rotary shaft 3 also extends through outside first simultaneously
Portion's shell 51；The rotating arm 2 is located within the first external shell 51；The water pump 12 and the back with water inlet line 13 are located at first
Except external shell 51 and the second external shell 52；The nozzle 14 is located within first external shell 51 and is located at upper
Portion；The material of first external shell 51 and the second external shell 52 can be used 10cm or more wooden barrel or can bear test on an equal basis by force
The equivalent of degree；
Frame structure 6, above-mentioned all structures, all structures and the rotating arm 2 including the rain simulator, equal position
In in the frame structure 6.The setting of frame structure 6 is further ensured using safe.The material of frame structure 6 can be used
Aluminium；In the present embodiment, frame structure 6 is cuboid-type, and front view and side view refer to Fig. 6 (a) and (b)；
Control system (not shown), the control system include: control cabinet, video camera and light, rainfall control
System, computer monitor etc..
Fig. 5 is referred to, in a preferred embodiment, the rotating arm 2 is the zero lift and low-resistance of 1.3m~2m diameter
The both arms balance blade of force coefficient design, every side is designed to accommodate the sample of the 15cm long of multiple and different designs；Also, it is described
The end face of blade is cambered surface.The cambered surface designs the leading edge portion shape that can imitate helicopter blade end face and fixed-wing windward side
Shape.
In a preferred embodiment, the shell of the motor 41 is equipped with vibrating sensor (not shown), with sensing
The horizontal and vertical displacement of rotating arm 2, and then simulate the displacement of practical flight.The preset value of the vibrating sensor is 0.2
±0.01mm。
In a preferred embodiment, Fig. 2 is referred to, the bottom surface of first external shell 51 is equipped with drain hole 61, institute
It states and is connected to tapping pipe 62 under drain hole 61, the tapping pipe 62 is connected to the water tank 11.Such structure setting to test
After water be recovered in the water tank 11.
In a preferred embodiment, the back with water inlet line 13 is equipped with pressure regulator and flowmeter (not shown),
For controlling rate of rainall；The incident angle of the nozzle 14 can change, to adjust spray height.
Fig. 2, Fig. 4 and Fig. 6 are referred to, in a preferred embodiment, the nozzle 14 is arranged multiple and multiple described
Nozzle 14 is equidistant installation；Specifically, there are four the nozzles 14；The rain simulator further includes multiple rainfall gauges 7, tool
Body is four, and the rainfall gauge 7 is placed in 14 lower section of nozzle.Four vertical installations of the rainfall gauge 7, and separated with about 90 degree
It places, and makes the top of each measuring cup higher than 2.5 centimetres of blade of rotating arm 2.
The rainfall of the experimental rig of the present embodiment is simulated by multiple nozzles 14, and water droplet size is 1 to 4 millimeter, by spraying
Mouth 41 determines.And the pressure regulator by being arranged in back with water inlet line 13 and flowmeter control rate of rainall, and pass through
Change the incident angle of nozzle 14 to adjust spray height.
The step of being tested using the experimental rig of the present embodiment for example,
Sample is weighed before sample is mounted on rotating arm 2；In order to keep rotating arm 2 to balance, it is separately mounted to revolve
Necessary weight ± 3 gram having the same of two groups of samples on two blades of pivoted arm 2, if the weight difference of the sample of installation is greater than
3 grams, it may result in serious vibration, lead to equipment damage；Preferably, the weight of sample can be by gluing adhesive tape
It is adjusted to the inside of sheet metal；
When test, windward side sample or rotor sample are fixed on to the test holding part of the both ends blade of rotating arm 2；
Regulate the angle of water flow and the speed of rate of rainall and rotating arm.
The experimental rig of the utility model has the following characteristics that
A. dynamic flying is simulated using rotating arm, carries out dynamic salt fog test, determine that rain-impact, salt fog, acidity are big
The influence to aircraft surfaces coating, substrate or Protective coatings such as corrosion such as gas；
B. it is located at the horizontal and vertical displacement of the shock sensor sensing rotating arm on motor field frame, simulates practical fly
Capable displacement；
C, the helicopter blade rotation speed of the utility model rotating arm simulation is up to 2000~4000r/min, at present not
There is similar device that can reach this speed, therefore the utility model can rotate the speed with aircraft windward side with real simulation helicopter
The case where degree and rainwater hit surface down, including rainfall rate, incident angle etc.；
D, the utility model is the test to aircraft surfaces substrate (or paint layer, protective film), is the test to material.At present
Not it has been found that the experimental rig of these material job specification of other authentic testings；
E, the utility model can pyrometry, high humidity, Corrosion Protection with high salt, material under acidic atmosphere environment；
F, the utility model includes control system, and control system includes: control cabinet, video camera and light, rainfall control
System, computer monitor.
G. compared with existing test method, the test method of full dynamic test.
The experimental rig of the utility model can be with real simulation fixed wing aircraft windward side or lifting airscrew in high speed
In flight operation process, rainwater weather, coastal salt fog, acidic atmosphere environment are encountered, to coating and guarantor outside windward side or rotor
The influence of the materials such as cuticula, check flight device windward side and lifting airscrew in the operating condition, be exposed to corrosive environment it
Under to coating, protective film, substrate cause corrode the case where, examine coating, protective film and material validity.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (14)
1. a kind of experimental rig is used for dynamic analog and check flight device windward side and lifting airscrew in the operating condition,
Under corrosive environment is caused to coating, protective film, substrate the case where corroding, examines the validity of coating, protective film and material,
It is characterized in that, the experimental rig includes:
Rain simulator, for spraying water to simulate corrosion misty rain environment；
Rotating arm mainly includes both arms balance blade, is respectively provided on two blades for symmetrically placed one or more pairs of samples
Sample placement section；The middle part of the rotating arm is vertically fixedly connected with a rotary shaft, and the rotary shaft is driven by driving device.
2. experimental rig according to claim 1, which is characterized in that the diameter of the rotating arm is 1.3m~2m, each
Surface has the sample placement section to the blade on it；Each sample placement section on two blades can be accommodated symmetrically
Two panels or four samples.
3. experimental rig according to claim 1 or 2, which is characterized in that the end face of the blade is cambered surface.
4. experimental rig according to claim 1, which is characterized in that the driving device includes motor, the motor edge
It is parallel to the direction setting of the rotary shaft, and carries out the biography of power between the motor and the rotary shaft by transmission mechanism
It passs.
5. experimental rig according to claim 4, which is characterized in that the electric machine casing is equipped with vibrating sensor, with
The horizontal and vertical displacement for sensing the rotating arm, simulates the displacement of practical flight.
6. experimental rig according to claim 4, which is characterized in that the experimental rig further includes the first external shell,
The rotating arm is located within first external shell；The experimental rig further includes the second external shell, and the motor is set
It sets within second external shell；The rotary shaft passes through first external shell and second external shell.
7. experimental rig according to claim 6, which is characterized in that the rain simulator mainly include water tank, water pump,
Back with water inlet line, several nozzles, the water tank are arranged within second external shell, and the water pump and back with water inlet line setting exist
First external shell is arranged in the outside of second external shell and first external shell space, the nozzle
Top, and be located within the space of first external shell.
8. experimental rig according to claim 7, which is characterized in that accommodating body is equipped within second external shell,
The water tank is arranged on the accommodating body；The rotary shaft is each passed through the upper cover and the appearance of second external shell
It sets the bottom surface of body and is pivoted by two bearings with the bottom surface of the upper cover of second external shell and the accommodating body and is connect.
9. experimental rig according to claim 7, which is characterized in that the bottom surface of first external shell, which is equipped with, to sluice
Hole is connected to tapping pipe under the drain hole, and the tapping pipe is connected to the water tank.
10. experimental rig according to claim 7, which is characterized in that the back with water inlet line be equipped with pressure regulator and
Flowmeter；The incident angle of the nozzle can change.
11. experimental rig according to claim 7, which is characterized in that the nozzle setting is multiple, and multiple sprays
Mouth is equidistant installation；The rain simulator further includes multiple rainfall gauges, and the rainfall gauge is placed in below the nozzle.
12. experimental rig according to claim 11, which is characterized in that there are four the nozzles；The rainfall is calculated as four
A, four vertical installations of rainfall gauge, four rainfall gauges are separated with about 90 degree, and make the top of each measuring cup
Portion is higher than 2.5~3cm of blade of the both arms balance blade.
13. experimental rig according to claim 1, which is characterized in that the experimental rig further includes frame structure, described
Rain simulator and the rotating arm are respectively positioned in the frame structure.
14. experimental rig according to claim 1, which is characterized in that it further include control system, the control system packet
It includes: control cabinet, video camera and light, rainfall control subsystem, computer monitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920012863.9U CN209719957U (en) | 2019-01-04 | 2019-01-04 | The experimental rig of dynamic analog aircraft windward side and rotor by environmental attack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920012863.9U CN209719957U (en) | 2019-01-04 | 2019-01-04 | The experimental rig of dynamic analog aircraft windward side and rotor by environmental attack |
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| Publication Number | Publication Date |
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| CN209719957U true CN209719957U (en) | 2019-12-03 |
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ID=68679207
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109823567A (en) * | 2019-01-04 | 2019-05-31 | 上海自图新材料科技有限公司 | The experimental rig and method of dynamic analog aircraft windward side and rotor by environmental attack |
| CN113716073A (en) * | 2021-11-02 | 2021-11-30 | 西安迈远科技有限公司 | Multi freedom unmanned aerial vehicle power test device |
-
2019
- 2019-01-04 CN CN201920012863.9U patent/CN209719957U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109823567A (en) * | 2019-01-04 | 2019-05-31 | 上海自图新材料科技有限公司 | The experimental rig and method of dynamic analog aircraft windward side and rotor by environmental attack |
| CN113716073A (en) * | 2021-11-02 | 2021-11-30 | 西安迈远科技有限公司 | Multi freedom unmanned aerial vehicle power test device |
| CN113716073B (en) * | 2021-11-02 | 2022-08-12 | 西安迈远科技有限公司 | Multi freedom unmanned aerial vehicle power test device |
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Denomination of utility model: A Test Device for Dynamic Simulation of Environmental Erosion on the Windward Surface and Rotors of Aircraft Effective date of registration: 20230809 Granted publication date: 20191203 Pledgee: Industrial Bank Co.,Ltd. Shanghai Minhang sub branch Pledgor: SHANGHAI ZITU NEW MATERIAL TECHNOLOGY CO.,LTD. Registration number: Y2023310000447 |