CN204979268U - Take a trial run on ground water conservancy diversion and fall facility of making an uproar of civil aircraft - Google Patents
Take a trial run on ground water conservancy diversion and fall facility of making an uproar of civil aircraft Download PDFInfo
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- CN204979268U CN204979268U CN201520269053.3U CN201520269053U CN204979268U CN 204979268 U CN204979268 U CN 204979268U CN 201520269053 U CN201520269053 U CN 201520269053U CN 204979268 U CN204979268 U CN 204979268U
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- water conservancy
- conservancy diversion
- noise
- civil aircraft
- reducing device
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Abstract
The utility model discloses a take a trial run on ground water conservancy diversion and fall facility of making an uproar of civil aircraft, the afterbody produced in the time of can taking a trial run the aircraft a large amount of high temperature high -velocity air direction sky to can the noise reduction. A take a trial run on ground water conservancy diversion and fall facility of making an uproar of civil aircraft, includes that the water conservancy diversion subtotal supports the water conservancy diversion part at bracket parts on the ground, the perpendicular cross -section of water conservancy diversion part is the arc from the ground kickup, and bracket parts supports at the curved back of water conservancy diversion part, and its holistic plan view is U font or fan -shaped. Compared with the prior art, the utility model relates to a take a trial run on ground water conservancy diversion and fall facility of making an uproar of civil aircraft has the curved water conservancy diversion part from the ground kickup, and a large amount of afterbody air currents direction that produces in the time of can taking a trial run the aircraft is aerial, and the water conservancy diversion part is including consuming micropunch sheet layer acoustic energy and then that play noise suppression effect, and still including the sound absorption combined material layer and the anticorrosive fire -retardant syllable -dividing combined material layer that have absorbing effect, the noise reduction is effectual.
Description
Technical field
The wayside equipment, particularly a kind of civil aircraft ground run water conservancy diversion and noise-reducing device of vector aircraft tail wind on the ground when the utility model relates to a kind of Aircraft Flight Test.
Background technology
When civil aircraft ground run, airplane tail group can produce the air-flow of a large amount of high temperature and high speed, as can not and the local test run of spaciousness will impact near staff or building, have great potential safety hazard, and the noise produced during Aircraft Flight Test is also non-to disturb residents, be that a kind of sound pollutes.The strong noise produced when therefore should better protect and administer civil aircraft ground run and high speed wake flow, to the good work of periphery staff, vehicle, building and near airports resident one, living environment.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of civil aircraft ground run water conservancy diversion and noise-reducing device, a large amount of high-temperature high-speed airflow guiding skies that afterbody during aircraft test run can be produced, and can reduce noise.
In order to solve the problems of the technologies described above, a kind of civil aircraft ground run water conservancy diversion of the utility model and noise-reducing device, comprise water diversion part and water diversion part is supported on holder part on the ground, the vertical section of described water diversion part is the arc from ground K/UP, holder part is supported on the back side of water diversion part arc, and the birds-eye view of described civil aircraft ground run water conservancy diversion and noise-reducing device entirety is U-shaped or fan-shaped.
Water diversion part described in the utility model comprises from the micropunch flaggy of circular shape Inside To Outside, acoustic absorption composite material layer, antiseptic fire-retardation acoustic dampening composite layer and zinc-plated color steel.
Set up multiple square tube being positioned at the horizontal direction of different level between acoustic absorption composite material layer described in the utility model and antiseptic fire-retardation acoustic dampening composite layer, the space between described acoustic absorption composite material layer and antiseptic fire-retardation acoustic dampening composite layer being supported out by multiple square tube is cavity layer.
Holder part described in the utility model has the arcuate structure frame that vertical section is arc, and described water diversion part is fixed on after bolt-through on arcuate structure frame.
Arcuate structure frame described in the utility model is strip, and is multiple.
Micropunch flaggy described in the utility model is the structure of the circular hole with multiple aligned transfer.
On micropunch flaggy described in the utility model, the aperture 3mm of circular hole, the pitch-row of adjacent two circular holes is 8mm.
Micropunch flaggy described in the utility model is stainless steel material, thick 1 ~ 1.2mm.
Acoustic absorption composite material layer described in the utility model is polyester fibre acoustic panel, thick 40 ~ 70cm.
Antiseptic fire-retardation acoustic dampening composite layer described in the utility model is rubber-plastics material, thick 30cm.
Compared with prior art, a kind of civil aircraft ground run water conservancy diversion of the utility model and noise-reducing device, there is the water diversion part of the arc from ground K/UP, can be aerial by a large amount of tail wind guiding produced during aircraft test run, and described water diversion part comprise can sound energy consumption so that the micropunch flaggy that plays soundproof effect, also comprise the acoustic absorption composite material layer and antiseptic fire-retardation acoustic dampening composite layer with sound-absorbing effect, reduce noise result good.
Accompanying drawing explanation
Fig. 1 is the schematic top plan view of the utility model civil aircraft ground run water conservancy diversion and noise-reducing device.
Fig. 2 for A described in Fig. 1 ?A cutaway view.
Fig. 3 is the partial enlarged drawing on Fig. 2 shown in B.
Fig. 4 is a kind of structural representation of embodiment.
Fig. 5 is the partial enlarged drawing on Fig. 4 shown in C.
Fig. 6 is the structural representation of microperforated panel.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail.
As figure 1 ?shown in 4, a kind of civil aircraft ground run water conservancy diversion of the utility model and noise-reducing device, be arranged on the rear of aircraft during civil aircraft ground run, play noise reduction and the air-flow that aircraft produces is drawn skyward effect, the birds-eye view of described civil aircraft ground run water conservancy diversion and noise-reducing device entirety is U-shaped or fan-shaped, recess inboard width is 1.35 times of the span-width needing testing airplane, when aircraft floor test run, aircraft reference position correspondence is positioned at the position of the recess of described civil aircraft ground run water conservancy diversion and noise-reducing device, and be provided with safety distance, namely airplane tail end is to facility back gauge, this safety distance is according to civil aircraft ground run criterion settings.
Concrete, described civil aircraft ground run water conservancy diversion and noise-reducing device comprise water diversion part 1 and water diversion part 1 are supported on holder part 2 on the ground, the vertical section of described water diversion part 1 is the arc from ground K/UP, the structure of arc is convenient guides air-flow into sky, and holder part 2 is supported on the back side of water diversion part 1 arc.Described water diversion part 1 is by the micropunch flaggy 11 of the stainless steel from circular shape Inside To Outside, acoustic absorption composite material layer 12, antiseptic fire-retardation acoustic dampening composite layer 13 and zinc-plated color steel 14 form (as Fig. 2, shown in 3), described micropunch flaggy 11 is for having Hai Muhuo magnetic resonance device structure (as shown in Figure 4) of the circular hole 111 of multiple aligned transfer, the percentage of perforation of microperforated panel 11 controls to be about 5%, the aperture 3mm of circular hole 111, the pitch-row of adjacent two circular holes 111 is 8mm, this structure can at exotic high temperature, high speed acoustic wave frequency produces time identical with micropore combination resonance frequency and resonates, thus consume larger acoustic energy, resonance amplitude is larger, the speed that air-flow is travelled to and fro between in aperture is larger, the acoustic energy consumed is more, therefore the effect of noise elimination is served, this structure is particularly suitable for high temperature, the air-flow of high speed current downflow, described acoustic absorption composite material layer 12 is polyester fibre acoustic panel, has the effect of sound-absorbing, described antiseptic fire-retardation acoustic dampening composite layer 13 is rubber-plastics material, has the effect of withstanding corrosion, fire-retardant and sound insulation, described zinc-plated color steel 14 plays the effect of fixing global shape.
Preferably, described water diversion part 1 is also included in the cavity layer 15 (as shown in Figure 4,5) increased between described acoustic absorption composite material layer 12 and antiseptic fire-retardation acoustic dampening composite layer 13, increase cavity layer 15 can increase frequency band and widen, and then change the sound absorbing capabilities of low frequency, acoustic absorption composite material layer 12 and antiseptic fire-retardation acoustic dampening composite layer 13 is coordinated to use, its absorbing sound and lowering noise effect is more remarkable, reduces noise result improve 10 ~ 15 decibels than the structure without cavity layer; Being formed as of described cavity layer 15 sets up the space that multiple square tube 151 being positioned at the horizontal direction of different level supports out between described acoustic absorption composite material layer 12 and antiseptic fire-retardation acoustic dampening composite layer 13, described square tube 151 is rectangular square tube, fixing after penetrating described whole water diversion part 1 with M10 corrosion-resistant steel self-locking screw.Described microperforated panel 11 can be designed to thick 1 ~ 1.2mm, described acoustic absorption composite material layer 12 is designed to thick 40 ~ 70mm, cavity layer 15 is designed to thick 50mm, and described antiseptic fire-retardation acoustic dampening composite layer 13 is designed to thick 30mm, and described zinc-plated color steel 14 is designed to thick 0.8mm.
Described holder part 2 comprises the arcuate structure frame 21 that multiple vertical section is arc, described water diversion part 1 is fixed on one by one into strips on arcuate structure frame 21 after bolt-through, make the uniform force of water diversion part 1 entirety, can solid being fixed and being supported on ground.
Described civil aircraft ground run water conservancy diversion and noise-reducing device, the noise produced when can reduce aircraft test run 30 ~ 50 decibels, effective control noise pollutes; This equipment possesses the high speed, the high temperature gas flow 80 ~ 90% that aircraft floor test run are produced simultaneously and leads aerial, and equipment behind portion is without blast air, and air flow guiding effective, the equipment periphery of making is safety zone, and personnel, vehicle all can normally travel.
Claims (10)
1. a civil aircraft ground run water conservancy diversion and noise-reducing device, it is characterized in that: comprise water diversion part (1) and water diversion part (1) is supported on holder part (2) on the ground, the vertical section of described water diversion part (1) is the arc from ground K/UP, holder part (2) is supported on the back side of water diversion part (1) arc, and the birds-eye view of described civil aircraft ground run water conservancy diversion and noise-reducing device entirety is U-shaped or fan-shaped.
2. civil aircraft ground run water conservancy diversion according to claim 1 and noise-reducing device, is characterized in that: described water diversion part (1) comprises from the micropunch flaggy (11) of circular shape Inside To Outside, acoustic absorption composite material layer (12), antiseptic fire-retardation acoustic dampening composite layer (13) and zinc-plated color steel (14).
3. civil aircraft ground run water conservancy diversion according to claim 2 and noise-reducing device, it is characterized in that: set up multiple square tube (151) being positioned at the horizontal direction of different level between described acoustic absorption composite material layer (12) and antiseptic fire-retardation acoustic dampening composite layer (13), the space between described acoustic absorption composite material layer (12) and antiseptic fire-retardation acoustic dampening composite layer (13) supported out by multiple square tube (151) is cavity layer (15).
4. civil aircraft ground run water conservancy diversion according to claim 1 and noise-reducing device, it is characterized in that: described holder part (2) has the arcuate structure frame (21) that vertical section is arc, and described water diversion part (1) is fixed on after bolt-through on arcuate structure frame (21).
5. civil aircraft ground run water conservancy diversion according to claim 4 and noise-reducing device, is characterized in that: described arcuate structure frame (21) is strip, and is multiple.
6. the civil aircraft ground run water conservancy diversion according to Claims 2 or 3 and noise-reducing device, is characterized in that: described micropunch flaggy (11) is for having the structure of the circular hole (111) of multiple aligned transfer.
7. civil aircraft ground run water conservancy diversion according to claim 6 and noise-reducing device, it is characterized in that: on described micropunch flaggy (11), the aperture 3mm of circular hole (111), the pitch-row of adjacent two circular holes (111) is 8mm.
8. civil aircraft ground run water conservancy diversion according to claim 7 and noise-reducing device, is characterized in that: described micropunch flaggy (11) is stainless steel material, thick 1 ~ 1.2mm.
9. the civil aircraft ground run water conservancy diversion according to Claims 2 or 3 and noise-reducing device, is characterized in that: described acoustic absorption composite material layer (12) is polyester fibre acoustic panel, thick 40 ~ 70cm.
10. the civil aircraft ground run water conservancy diversion according to Claims 2 or 3 and noise-reducing device, is characterized in that: described antiseptic fire-retardation acoustic dampening composite layer (13) is rubber-plastics material, thick 30cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520269053.3U CN204979268U (en) | 2015-04-29 | 2015-04-29 | Take a trial run on ground water conservancy diversion and fall facility of making an uproar of civil aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520269053.3U CN204979268U (en) | 2015-04-29 | 2015-04-29 | Take a trial run on ground water conservancy diversion and fall facility of making an uproar of civil aircraft |
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| Publication Number | Publication Date |
|---|---|
| CN204979268U true CN204979268U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520269053.3U Expired - Fee Related CN204979268U (en) | 2015-04-29 | 2015-04-29 | Take a trial run on ground water conservancy diversion and fall facility of making an uproar of civil aircraft |
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| CN (1) | CN204979268U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106672259A (en) * | 2016-12-30 | 2017-05-17 | 北京工业大学 | Barrier wall for achieving efficient flow guiding and noise absorption during test run of airplane |
| CN111634439A (en) * | 2020-06-24 | 2020-09-08 | 天津再发科技有限公司 | Noise reduction flow guide screen for aviation test run honeycomb and use method |
| CN112144431A (en) * | 2020-09-26 | 2020-12-29 | 威海广泰空港设备股份有限公司 | Airport runway sound insulation system |
| CN114132523A (en) * | 2021-10-15 | 2022-03-04 | 众坤(北京)航空设备有限公司 | Aircraft engine wake flow protection special equipment |
-
2015
- 2015-04-29 CN CN201520269053.3U patent/CN204979268U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106672259A (en) * | 2016-12-30 | 2017-05-17 | 北京工业大学 | Barrier wall for achieving efficient flow guiding and noise absorption during test run of airplane |
| CN106672259B (en) * | 2016-12-30 | 2019-08-09 | 北京工业大学 | A kind of water conservancy diversion when realizing aircraft test run and inhale the barrier wall made an uproar |
| CN111634439A (en) * | 2020-06-24 | 2020-09-08 | 天津再发科技有限公司 | Noise reduction flow guide screen for aviation test run honeycomb and use method |
| CN112144431A (en) * | 2020-09-26 | 2020-12-29 | 威海广泰空港设备股份有限公司 | Airport runway sound insulation system |
| CN112144431B (en) * | 2020-09-26 | 2021-09-07 | 威海广泰空港设备股份有限公司 | Airport runway sound insulation system |
| CN114132523A (en) * | 2021-10-15 | 2022-03-04 | 众坤(北京)航空设备有限公司 | Aircraft engine wake flow protection special equipment |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170223 Address after: Baoan District Xixiang street Shenzhen City, Guangdong province 518102 land of idyllic beauty 24 building 1801 Patentee after: Shenzhen Yao Tian Qi Technology Service Co., Ltd. Address before: And the new village of Baoan town of Shenzhen city of Guangdong province Fuyong 518103 Yuesheng No. 43 all the way Patentee before: SHENZHEN YOUTECH INDUSTRIAL CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20210429 |