CN111891368A - Embedded type inlet lip sealing assembly - Google Patents
Embedded type inlet lip sealing assembly Download PDFInfo
- Publication number
- CN111891368A CN111891368A CN202010833776.7A CN202010833776A CN111891368A CN 111891368 A CN111891368 A CN 111891368A CN 202010833776 A CN202010833776 A CN 202010833776A CN 111891368 A CN111891368 A CN 111891368A
- Authority
- CN
- China
- Prior art keywords
- metal
- filler neck
- blanking cover
- channel
- inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 75
- 239000000945 filler Substances 0.000 claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 238000012360 testing method Methods 0.000 claims abstract description 12
- 239000000565 sealant Substances 0.000 claims abstract description 6
- 239000004744 fabric Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 11
- 230000000903 blocking effect Effects 0.000 abstract description 6
- 238000002474 experimental method Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010073 coating (rubber) Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D33/00—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
- B64D33/02—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/60—Testing or inspecting aircraft components or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
Abstract
The application belongs to the technical field of aircraft inlet lip sealing, in particular to an embedded inlet lip sealing assembly. The method comprises the following steps: the metal blanking cover, metal valve, air inlet filler neck, feedback mouth filler neck and channel-section steel. The metal plug is tightly attached to the lip of the air inlet channel, and a sealant is coated on the attachment surface; the metal valve is detachably arranged on the metal blocking cover; the air inlet filler neck is arranged on the metal blocking cover; the feedback port filler neck is arranged on the metal blocking cover; the channel steel is installed on the metal blanking cover, and during a pressurizing test, the channel steel is connected with the lever, and the metal blanking cover is fixed by the lever. This application can be under the condition of not destroying intake duct lip structure, effectively eliminate the clearance between intake duct and blanking cover, and the sealed effect of intake duct blanking cover when improving positive negative pressure load effect guarantees that the experiment goes on smoothly, avoids experimental adjustment dismouting repeatedly, and the personnel's operation of conveniently implementing improves work efficiency.
Description
Technical Field
The application belongs to the technical field of aircraft inlet lip sealing, in particular to an embedded inlet lip sealing assembly.
Background
When an airplane is parked or an air inlet channel is tested, the air inlet lip is plugged by the assembly, and the requirement of parking or test loading can be met. The lips of the air inlet channel of the common airplane are exposed, the shape of the lips is mostly square or circular, the air inlet channel is mostly in a straight-through structural form, the lips are easy to block, and the lips can be sealed at the opening by adopting a mechanical connection or connecting rod structural connection form.
The new generation aircraft adopts the formula of burying lip, snakelike inlet channel in owing to stealthy needs, and the lip shape is complicated and buried in, can not use mechanical connection in order to avoid destroying the lip structure during sealed design, and snakelike inlet channel has also more restricted the application that the connecting rod is connected, therefore current intake duct subassembly design is hardly sealed this kind of intake duct lip, can't realize the experimental examination of aircraft intake duct.
Accordingly, a technical solution is desired to overcome or at least alleviate at least one of the above-mentioned drawbacks of the prior art.
Disclosure of Invention
The utility model aims at providing a formula of burying intake duct lip seal assembly to solve at least one problem that prior art exists.
The technical scheme of the application is as follows:
an embedded inlet lip seal assembly comprising:
the metal plug is tightly attached to the lip of the air inlet channel, and a sealant is coated on the attaching surface;
the metal valve is detachably arranged on the metal blocking cover;
the air inlet filler neck is arranged on the metal blocking cover;
the feedback port filler neck is arranged on the metal blocking cover;
the channel steel is installed on the metal blanking cover, and during a pressurizing test, the channel steel is connected with the lever, and the lever is used for fixing the metal blanking cover.
Optionally, putty cloth is pasted along the circumference at the joint of the metal blanking cover and the inlet lip.
Optionally, the metal shutter and the metal blanking cover are connected through a bolt, and a sealing rubber plate is arranged at the joint.
Optionally, the air inlet filler neck and the feedback filler neck are both screwed on the metal plug.
Optionally, the screwed joint between the air inlet filler neck and the metal cap and the screwed joint between the feedback filler neck and the metal cap are coated with a sealant.
Optionally, two sections of the channel steel are arranged along two ends of the metal blanking cover.
Optionally, the channel steel and the metal blanking cover are connected through a countersunk head screw.
The invention has at least the following beneficial technical effects:
the utility model provides an in bury formula intake duct lip seal assembly can be applied to and bury formula intake duct in the high stealthy fighter and experimental, under the condition that does not destroy intake duct lip structure, can effectively eliminate the clearance between intake duct and blanking cap, the sealed effect of intake duct blanking cap when improving positive and negative pressure load effect, guarantees that the experiment goes on smoothly, avoids experimental adjustment to relapse the dismouting, makes things convenient for implementation personnel's operation, improves work efficiency.
Drawings
FIG. 1 is a schematic view of an embodiment of an embedded inlet lip seal assembly according to the present application;
FIG. 2 is a schematic view of a metallic plug of an embedded inlet lip seal assembly according to an embodiment of the present application;
FIG. 3 is a view A-A of the metallic blanking cap of the buried inlet lip seal assembly of FIG. 2;
FIG. 4 is a view B-B of the metallic blanking cap of the buried inlet lip seal assembly of FIG. 2;
FIG. 5 is a C-C view of the metallic blanking cap of the buried inlet lip seal assembly of FIG. 2;
FIG. 6 is a schematic view of a metallic trap installation of an embedded inlet lip seal assembly according to an embodiment of the present application;
FIG. 7 is a D-D view of the metallic flapper installation of the buried inlet lip seal assembly of FIG. 6;
FIG. 8 is a schematic view of an inlet filler neck of a buried inlet lip seal assembly according to an embodiment of the present application;
FIG. 9 is a view E-E of FIG. 8;
fig. 10 is a schematic view of an embodiment of the present application of channel mounting for a buried inlet lip seal assembly.
Wherein:
1-a metal blanking cover; 2-a metal valve; 3-an air inlet filler neck; 4-feedback mouth mouthpiece; 5-channel steel; 6-sealing rubber plate.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are a subset of the embodiments in the present application and not all embodiments in the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present application and for simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the scope of the present application.
The present application will be described in further detail with reference to fig. 1 to 10.
The application provides a formula of burying intake duct lip seal assembly, include: the metal blanking cover 1, the metal valve 2, the air inlet filler neck 3, the feedback port filler neck 4 and the channel steel 5.
Specifically, as shown in fig. 1, the metal blanking cover 1 is installed on the inlet lip structure, and by tightly attaching the metal blanking cover 1 to the inlet lip and applying a sealant on the contact surface for installation, putty cloth can be adhered to the joint of the metal blanking cover 1 and the inlet lip along the circumferential direction; the metal valve 2 is connected with the metal blanking cover 1 in a detachable installation mode, and a sealing rubber plate 6 is arranged in a mechanical connection area where the metal valve 2 is in surface-to-surface contact with the metal blanking cover 1, so that the sealing effect is improved; the air inlet filler neck 3 and the feedback port filler neck 4 are both arranged on the metal blanking cap 1, can adopt a threaded connection mode, and are coated with sealing glue at threaded positions; the channel steel 5 is installed on the metal blanking cover 1, and during the pressurization test, the channel steel 5 is connected with the lever, and the lever is utilized to fix the metal blanking cover 1, so that the metal blanking cover can not be displaced or fall off to cause sealing failure due to overlarge inflation pressure. Advantageously, in this embodiment, the channel steel 5 is provided with two sections along two ends of the metal blanking cover 1, so as to ensure that the metal blanking cover 1 is fixed during the stamping test.
In one embodiment of the present application, the metal blanking cap 1 is provided with a configuration adapted to the inlet lip, such as a triangle shown in fig. 2, the shape of which is closely attached to the peripheral shape of the inlet lip, the inner shape of which is closely attached to the inner shape of the air inlet channel, the attachment surface is sealed by applying glue, and the metal blanking cap 1 itself is not mechanically connected to the inlet lip structure; metal valve 2 is similar configuration with metal blanking cover 1, installs on metal blanking cover 1 through the detachable mounting means, and it is convenient to dismantle, and operating personnel can take sealing measure through this metal valve 2 between 1 edge of metal blanking cover and the inlet channel, for example add putty cloth, rubber coating etc. prevent that metal blanking cover 1 from installing the back can't sealing operation, in this embodiment, metal valve 2 is connected with metal blanking cover 1 through the screw along circumference equipartition.
The utility model provides a bury formula intake duct lip seal assembly, air inlet mouthpiece 3 and feedback mouth mouthpiece 4 set up on the metal of 2 below of metal valve is stifled and is covered, and air inlet mouthpiece 3 is the same with feedback mouth mouthpiece 4 structure. The air inlet pipe nozzle 3 is mainly used for air inflation and air suction during air inlet channel tests so as to meet the test pressure requirements, and the feedback port pipe nozzle 4 is mainly used for measuring the feedback value of the actual pressure in the air inlet channel during the air inflation and air suction processes.
The utility model provides an embedded type intake duct lip seal assembly, 5 mainly used of channel-section steel are when the pressure boost is experimental, and 5 one sides of channel-section steel are connected metal blanking cover 1, and the pressure lever is connected to the opposite side, rely on the effort of lever to withstand metal blanking cover 1, prevent that intake duct pressure from dashing out or shifting metal blanking cover 1 and losing sealed effect.
The utility model provides a formula of burying intake duct lip seal assembly for sealed material includes sealed glue, putty cloth, sealed offset plate 6 etc. mainly used contact surface, the sealed in gap improve sealed effect.
The utility model provides an embedded inlet lip seal assembly is an embedded inlet lip seal assembly to stealthy aircraft, can realize the shutoff to the inlet lip. The split type design is adopted, the metal blanking cover 1 is not mechanically connected with the lip of the air inlet, the structure of the air inlet is not damaged, and the pressurization load is resisted by an external actuating lever; the sealing component is provided with the metal valve 2, so that the sealing operation is convenient to implement; an air inlet pipe nozzle 3 and a pressure feedback pipe nozzle 4 are arranged on the sealing assembly, so that the loading and monitoring of the pressurization load are realized.
The utility model provides an embedded type intake duct lip seal assembly can effectively eliminate the clearance between intake duct and the metal blanking cover under the condition of not destroying intake duct lip structure, improves the sealed effect of intake duct blanking cover when the positive negative pressure load effect, and the assurance test is gone on smoothly, avoids experimental adjustment dismouting repeatedly, makes things convenient for the implementation personnel to operate, improves work efficiency. The lip plugging device is suitable for the lip plugging of the buried type air inlet static test of the stealth aircraft, has the characteristics of good effect, short period and low cost, can ensure the successful implementation of the static test of the air inlet, and has higher reference value for the design of the aircraft test.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides an embedded type intake duct lip seal assembly which characterized in that includes:
the metal plug cover (1), the metal plug cover (1) is closely attached to the lip of the air inlet channel, and a sealant is coated on the attachment surface;
the metal valve (2), the said metal valve (2) is installed on said metal blanking cover (1) removably;
the air inlet filler neck (3), the said air inlet filler neck (3) is set up on the said metal blanking cover (1);
the feedback port filler neck (4), the said feedback port filler neck (4) is set up on the said metal blanking cover (1);
channel-section steel (5), install channel-section steel (5) on metal blanking cover (1), when the pressurizing test, channel-section steel (5) are connected with the lever, utilize the lever will metal blanking cover (1) is fixed.
2. The embedded inlet lip sealing assembly according to claim 1, wherein a putty cloth is adhered to the joint of the metal blanking cover (1) and the inlet lip along the circumferential direction.
3. The embedded inlet lip seal assembly according to claim 1, wherein the metal shutter (2) is connected with the metal blanking cover (1) through a bolt, and a sealing rubber plate (6) is arranged at the joint.
4. The embedded inlet lip seal assembly according to claim 1, characterized in that the inlet filler neck (3) and the feedback filler neck (4) are both screwed on the metal blanking cap (1).
5. The embedded inlet lip seal assembly according to claim 4, characterized in that the threaded connection between the inlet filler neck (3) and the feedback filler neck (4) and the metal plug (1) is coated with a sealant.
6. The buried inlet lip seal assembly of claim 1, wherein the channel (5) is provided with two sections along both ends of the metal blanking cap (1).
7. The buried inlet lip seal assembly of claim 6, characterized in that the channel steel (5) and the metal blanking cap (1) are connected by means of countersunk screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010833776.7A CN111891368A (en) | 2020-08-18 | 2020-08-18 | Embedded type inlet lip sealing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010833776.7A CN111891368A (en) | 2020-08-18 | 2020-08-18 | Embedded type inlet lip sealing assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111891368A true CN111891368A (en) | 2020-11-06 |
Family
ID=73229646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010833776.7A Pending CN111891368A (en) | 2020-08-18 | 2020-08-18 | Embedded type inlet lip sealing assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111891368A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114572420A (en) * | 2022-03-04 | 2022-06-03 | 中航(成都)无人机系统股份有限公司 | Low-scattering carrier for air inlet duct stealth test |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2476132A1 (en) * | 2003-08-02 | 2005-02-02 | Juergen Kelnhofer | Aircraft ram air inlet with multi-member closure flap |
| CN203345202U (en) * | 2013-04-27 | 2013-12-18 | 陕西飞机工业（集团）有限公司 | Air inlet channel blocking cover of propeller plane |
| CN105015797A (en) * | 2014-04-29 | 2015-11-04 | 中国飞机强度研究所 | Sealing block cover for air intake duct |
| CN105564667A (en) * | 2016-02-05 | 2016-05-11 | 西安大鹏航空科技有限公司 | Aircraft air inlet duct plugging cover |
| KR20160060316A (en) * | 2014-11-20 | 2016-05-30 | 주식회사 창민테크론 | Intake cover of aircraft |
| CN109131902A (en) * | 2018-09-21 | 2019-01-04 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of airplane intake lip structure |
| CN110758753A (en) * | 2019-12-05 | 2020-02-07 | 江西洪都航空工业集团有限责任公司 | Actuating type flow guide supersonic air inlet channel plug cover and aircraft |
-
2020
- 2020-08-18 CN CN202010833776.7A patent/CN111891368A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2476132A1 (en) * | 2003-08-02 | 2005-02-02 | Juergen Kelnhofer | Aircraft ram air inlet with multi-member closure flap |
| CN203345202U (en) * | 2013-04-27 | 2013-12-18 | 陕西飞机工业（集团）有限公司 | Air inlet channel blocking cover of propeller plane |
| CN105015797A (en) * | 2014-04-29 | 2015-11-04 | 中国飞机强度研究所 | Sealing block cover for air intake duct |
| KR20160060316A (en) * | 2014-11-20 | 2016-05-30 | 주식회사 창민테크론 | Intake cover of aircraft |
| CN105564667A (en) * | 2016-02-05 | 2016-05-11 | 西安大鹏航空科技有限公司 | Aircraft air inlet duct plugging cover |
| CN109131902A (en) * | 2018-09-21 | 2019-01-04 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of airplane intake lip structure |
| CN110758753A (en) * | 2019-12-05 | 2020-02-07 | 江西洪都航空工业集团有限责任公司 | Actuating type flow guide supersonic air inlet channel plug cover and aircraft |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114572420A (en) * | 2022-03-04 | 2022-06-03 | 中航(成都)无人机系统股份有限公司 | Low-scattering carrier for air inlet duct stealth test |
| CN114572420B (en) * | 2022-03-04 | 2023-05-16 | 中航(成都)无人机系统股份有限公司 | Low scattering carrier for stealth test of air inlet channel |
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Application publication date: 20201106 |