CN109236943B - Vibration reduction connecting structure and airplane with same - Google Patents
Vibration reduction connecting structure and airplane with same Download PDFInfo
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- CN109236943B CN109236943B CN201811341671.9A CN201811341671A CN109236943B CN 109236943 B CN109236943 B CN 109236943B CN 201811341671 A CN201811341671 A CN 201811341671A CN 109236943 B CN109236943 B CN 109236943B
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- elastic
- hole
- supporting
- vibration damping
- axial direction
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- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
- B64C1/14—Windows; Doors; Hatch covers or access panels; Surrounding frame structures; Canopies; Windscreens accessories therefor, e.g. pressure sensors, water deflectors, hinges, seals, handles, latches, windscreen wipers
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- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The application belongs to the technical field of aircraft damping structural design, concretely relates to damping connection structure, include: the supporting piece is provided with a supporting cavity, and the wall surface of the supporting cavity is provided with a supporting through hole along the axial direction; the vibration damping piece is arranged in the supporting through hole, is fixedly connected with the supporting piece and is provided with an elastic component which can elastically deform along the axial direction of the supporting through hole; the connecting piece is arranged along the axial direction of the supporting through hole and is provided with a connecting end and a vibration damping end, and the vibration damping end is connected with the elastic component. In addition, still relate to an aircraft that has above-mentioned damping connection structure.
Description
Technical Field
The application belongs to the technical field of design of airplane vibration reduction structures, and particularly relates to a vibration reduction connecting structure and an airplane with the same.
Background
Currently, cabin interior trim is directly and rigidly mounted in a bolt or quick-release screw mode, and the cabin interior trim can participate in vibration transmission of an airplane when the airplane vibrates violently by adopting the mounting mode, so that violent follow vibration occurs, noise is generated, and even the cabin interior trim and a connecting piece of the interior trim and a flying machine part are damaged and damaged due to violent mutual collision.
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
It is an object of the present application to provide a vibration damping connection and an aircraft having the same to overcome or mitigate at least one of the above-mentioned disadvantages.
The technical scheme of the application is as follows:
in one aspect, there is provided a vibration damping connection structure including:
the supporting piece is provided with a supporting cavity, and the wall surface of the supporting cavity is provided with a supporting through hole along the axial direction;
the vibration damping piece is arranged in the supporting through hole, is fixedly connected with the supporting piece and is provided with an elastic component which can elastically deform along the axial direction of the supporting through hole;
the connecting piece is arranged along the axial direction of the supporting through hole and is provided with a connecting end and a vibration damping end, and the vibration damping end is connected with the elastic component.
According to at least one embodiment of the present application, the support member includes a support plate having a side surface recessed toward an opposite side to form a support cavity.
According to at least one embodiment of the application, the damping member comprises:
the first fixing shell is fixedly connected with the supporting piece, and the surface of one side of the first fixing shell, which is far away from the supporting piece, is sunken towards the direction of the supporting piece to form a first fixing sunken part which enters the supporting cavity through the supporting through hole;
the first rubber bowl is arranged in the first fixed recess, the outer wall surface of the first rubber bowl is attached to the inner wall surface of the first fixed recess, and the bottom surface of the first rubber bowl is protruded towards the bowl opening direction along the axial direction of the supporting through hole to form a first elastic protrusion;
the elastic component comprises a first elastic bulge;
the vibration reduction end is connected with the first elastic bulge.
According to at least one embodiment of the application, the support further comprises:
the second fixed shell is fixedly connected with the first fixed shell, the surface of one side of the second fixed shell, which is close to the first fixed shell, is sunken towards the direction far away from the first fixed shell to form a second fixed recess, and the wall surface of the second fixed recess is provided with a second fixed through hole along the axial direction of the supporting through hole;
the second rubber bowl is arranged in the second fixed recess, the outer wall surface of the second rubber bowl is attached to the inner wall surface of the second fixed recess, the bottom surface of the second rubber bowl is protruded towards the bowl mouth direction along the axial direction of the supporting through hole to form a second elastic protrusion, and the second elastic protrusion is abutted to the first elastic protrusion;
the elastic part also comprises a second elastic bulge;
the vibration damping end penetrates through the second fixing through hole to be connected with the second elastic bulge.
According to at least one embodiment of the present application, the first fixing recess wall surface is provided with a first fixing through hole along the axial direction of the support through hole;
the first elastic bulge wall surface is provided with a first elastic through hole along the axial direction of the supporting through hole;
a second elastic through hole is formed in the wall surface of the second elastic bulge along the axial direction of the supporting through hole, and the second elastic through hole is communicated with the first elastic through hole to form an elastic channel;
the connecting piece includes:
one end of the connecting shaft is a connecting end, and the other end of the connecting shaft is a vibration damping end;
and the top end of the connecting screw penetrates through the elastic channel to be in threaded fit connection with the vibration damping end.
According to at least one embodiment of the present application, the connecting member further includes a connecting washer disposed between the first elastic protrusion and the connecting screw.
According to at least one embodiment of the present application, the elastic member further includes a first elastic pad disposed between the first elastic protrusion and the second elastic protrusion.
According to at least one embodiment of the present application, the first elastic pad is fixedly connected with the first elastic protrusion;
the elastic component also comprises a second elastic gasket which is arranged between the first elastic gasket and the second elastic bulge and is fixedly connected with the second elastic bulge.
According to at least one embodiment of the present application, the first and second stationary housings and the surface of the support member are fixedly connected by a plurality of bolts.
Another aspect provides an aircraft having a cabin and a cabin interior, comprising any of the above vibration damping connection structures, wherein,
the supporting plate is connected with the inner wall of the engine room through a bolt;
the connecting end of the connecting shaft is connected with the cabin interior trim through a bolt.
The application has at least the following beneficial technical effects: the vibration damping connecting structure is characterized in that a cabin interior is arranged on the inner wall of the cabin, so that the cabin interior is flexibly connected with the cabin, and an elastic part in a vibration damping piece is elastically deformed in the vibration process of the cabin wall surface, so that the vibration of the cabin interior along with the wall surface of the cabin is weakened.
Drawings
FIG. 1 is a schematic view of a vibration damping attachment structure provided in an embodiment of the present application;
fig. 2 is an assembly schematic view of a vibration damping connection structure provided in an embodiment of the present application.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant application and are not limiting of the application. It should be noted that, for convenience of description, only the portions related to the present application are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
It should be noted that in the description of the present application, the terms of direction or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present application, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those skilled in the art as the case may be.
The present application is described in further detail below with reference to fig. 1-2.
In one aspect, there is provided a vibration damping connection structure including:
the supporting piece is provided with a supporting cavity, and the wall surface of the supporting cavity is provided with a supporting through hole along the axial direction;
the vibration damping piece is arranged in the supporting through hole, is fixedly connected with the supporting piece and is provided with an elastic component which can elastically deform along the axial direction of the supporting through hole;
the connecting piece is arranged along the axial direction of the supporting through hole and is provided with a connecting end and a vibration damping end, and the vibration damping end is connected with the elastic component.
In some alternative embodiments, the support member comprises a support plate 1, one side surface of which is recessed toward the opposite side to form a support cavity.
In some alternative embodiments, the damping member comprises: the first fixing shell 2 is fixedly connected with the supporting piece, and the surface of one side of the first fixing shell, which is far away from the supporting piece, is sunken towards the direction of the supporting piece to form a first fixing sunken part which enters the supporting cavity through the supporting through hole; the first rubber bowl 3 is arranged in the first fixed recess, the outer wall surface of the first rubber bowl is attached to the inner wall surface of the first fixed recess, and the bottom surface of the first rubber bowl is protruded towards the bowl mouth direction along the axial direction of the supporting through hole to form a first elastic protrusion; the elastic component comprises a first elastic bulge; the vibration reduction end is connected with the first elastic bulge.
In some optional embodiments, the support further comprises: the second fixed shell 4 is fixedly connected with the first fixed shell 2, the surface of one side, close to the first fixed shell 2, of the second fixed shell is sunken towards the direction far away from the first fixed shell 2 to form a second fixed sunken surface, and a second fixed through hole is formed in the wall surface of the second fixed sunken surface along the axial direction of the support through hole; the second rubber bowl 5 is arranged in the second fixed recess, the outer wall surface of the second rubber bowl is attached to the inner wall surface of the second fixed recess, the bottom surface of the second rubber bowl is raised towards the bowl mouth direction along the axial direction of the supporting through hole to form a second elastic bulge, and the second elastic bulge is abutted to the first elastic bulge; the elastic part also comprises a second elastic bulge; the vibration damping end penetrates through the second fixing through hole to be connected with the second elastic bulge.
In some optional embodiments, the first fixing through hole is axially formed in the first fixing concave wall surface along the support through hole; the first elastic bulge wall surface is provided with a first elastic through hole along the axial direction of the supporting through hole; a second elastic through hole is formed in the wall surface of the second elastic bulge along the axial direction of the supporting through hole, and the second elastic through hole is communicated with the first elastic through hole to form an elastic channel; the connecting piece includes: one end of the connecting shaft 6 is a connecting end, and the other end of the connecting shaft is a vibration damping end; and the top end of the connecting screw 7 penetrates through the elastic channel to be in threaded fit connection with the vibration reduction end.
In some alternative embodiments, the connection piece further comprises a connection washer 8 arranged between the first elastic protrusion and the connection screw 7.
In some optional embodiments, the elastic member further comprises a first elastic pad 9 disposed between the first elastic protrusion and the second elastic protrusion.
In some alternative embodiments, the first elastic pad 9 is fixedly connected with the first elastic projection; the elastic component also comprises a second elastic gasket 10 which is arranged between the first elastic gasket 9 and the second elastic bulge and is fixedly connected with the second elastic bulge.
In some alternative embodiments, the first stationary housing 2 is fixedly connected to the second stationary housing 4 and the surface of the support by a plurality of bolts 11.
In some alternative embodiments, the first fixed housing 2, the first rubber bowl 3 and the first elastic gasket 9 are integrally vulcanized and molded; the second fixed shell 4, the second rubber bowl 5 and the second elastic gasket are integrally vulcanized and molded.
In the vibration reduction connecting piece, the first rubber bowl 3 and the second rubber bowl 5 have high elasticity and viscoelasticity and can generate damping force to absorb vibration transmitted by the inner wall of the cabin before the vibration is transmitted to the interior of the cabin, and the first elastic bulge and the second elastic bulge of the elastic part can not only generate axial deformation but also generate radial deformation and can realize multi-directional vibration reduction.
Another aspect provides an aircraft having a cabin and a cabin interior, comprising a vibration damping connection as described in any of the above, wherein,
the supporting plate 1 is connected with the inner wall of the engine room through a bolt;
the connecting end of the connecting shaft 6 is connected with the cabin interior trim through a bolt.
So far, the technical solutions of the present application have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present application is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the present application, and the technical scheme after the changes or substitutions will fall into the protection scope of the present application.
Claims (9)
1. A vibration damping connection structure, comprising:
the supporting piece is provided with a supporting cavity, and a supporting through hole is formed in the wall surface of the supporting cavity along the axial direction;
the vibration damping piece is arranged in the supporting through hole, is fixedly connected with the supporting piece and is provided with an elastic component, and the elastic component can elastically deform along the axial direction of the supporting through hole;
the connecting piece is arranged along the axial direction of the supporting through hole and is provided with a connecting end and a vibration damping end, and the vibration damping end is connected with the elastic component;
the damping piece includes:
the first fixing shell (2) is fixedly connected with the supporting piece, the surface of one side of the first fixing shell, which is far away from the supporting piece, is sunken towards the direction of the supporting piece to form a first fixing sunken part, and the first fixing sunken part enters the supporting cavity through the supporting through hole;
the first rubber bowl (3) is arranged in the first fixed recess, the outer wall surface of the first rubber bowl is attached to the inner wall surface of the first fixed recess, and the bottom surface of the first rubber bowl is protruded towards the bowl mouth direction along the axial direction of the support through hole to form a first elastic protrusion;
the elastic member includes the first elastic projection;
the vibration reduction end is connected with the first elastic bulge.
2. The vibration damping connection according to claim 1, wherein the support member comprises a support plate (1) having a side surface recessed toward an opposite side to form the support cavity.
3. The vibration damping connection structure according to claim 2, wherein the support member further comprises:
the second fixed shell (4) is fixedly connected with the first fixed shell (2), the surface of one side, close to the first fixed shell (2), of the second fixed shell is sunken towards the direction far away from the first fixed shell (2) to form a second fixed sunken surface, and a second fixed through hole is formed in the wall surface of the second fixed sunken surface along the axial direction of the support through hole;
the second rubber bowl (5) is arranged in the second fixed recess, the outer wall surface of the second rubber bowl is attached to the inner wall surface of the second fixed recess, the bottom surface of the second rubber bowl is raised towards the bowl mouth direction along the axial direction of the supporting through hole to form a second elastic bulge, and the second elastic bulge is abutted to the first elastic bulge;
the elastic part also comprises a second elastic bulge;
the vibration reduction end penetrates through the second fixing through hole to be connected with the second elastic bulge.
4. The vibration damping connection structure according to claim 3,
the first fixing sunken wall surface is provided with a first fixing through hole along the axial direction of the supporting through hole;
the first elastic bulge wall surface is provided with a first elastic through hole along the axial direction of the supporting through hole;
a second elastic through hole is formed in the second elastic bulge wall surface along the axial direction of the supporting through hole, and the second elastic through hole is communicated with the first elastic through hole to form an elastic channel;
the connector includes:
one end of the connecting shaft (6) is the connecting end, and the other end of the connecting shaft is the vibration damping end;
and the top end of the connecting screw (7) penetrates through the elastic channel to be in threaded fit connection with the vibration reduction end.
5. The vibration damping connection according to claim 4, characterized in that the connection piece further comprises a connection washer (8) arranged between the first resilient projection and the connection screw (7).
6. The vibration damping connection structure according to claim 5, wherein the elastic member further includes a first elastic pad (9) disposed between the first elastic protrusion and the second elastic protrusion.
7. The vibration damping connection structure according to claim 6,
the first elastic gasket (9) is fixedly connected with the first elastic bulge;
the elastic component also comprises a second elastic gasket (10) which is arranged between the first elastic gasket (9) and the second elastic bulge and is fixedly connected with the second elastic bulge.
8. The vibration damping connection structure according to claim 7, wherein the first stationary housing (2) is fixedly connected to the second stationary housing (4) and a surface of the support by a plurality of bolts (11).
9. An aircraft having a cabin and a cabin interior, comprising a vibration damping connection according to any one of claims 1 to 8,
the support plate (1) is connected with the inner wall of the engine room through a bolt;
the connecting end of the connecting shaft (6) is connected with the cabin interior trim through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811341671.9A CN109236943B (en) | 2018-11-12 | 2018-11-12 | Vibration reduction connecting structure and airplane with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811341671.9A CN109236943B (en) | 2018-11-12 | 2018-11-12 | Vibration reduction connecting structure and airplane with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109236943A CN109236943A (en) | 2019-01-18 |
| CN109236943B true CN109236943B (en) | 2020-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811341671.9A Active CN109236943B (en) | 2018-11-12 | 2018-11-12 | Vibration reduction connecting structure and airplane with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109236943B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011047497A (en) * | 2009-08-28 | 2011-03-10 | Daikyonishikawa Corp | Structure mounting structure using grommet |
| CN201696543U (en) * | 2010-05-10 | 2011-01-05 | 艾默生网络能源有限公司 | Damping fixing device |
| KR101771686B1 (en) * | 2016-02-19 | 2017-09-05 | 주식회사 만도 | Bumper rubber of shock absorber |
| CN205842548U (en) * | 2016-07-31 | 2016-12-28 | 开县中科生产力促进中心 | Seat fixed by Effective Anti vibration shape light fixture |
| CN207311024U (en) * | 2017-09-29 | 2018-05-04 | 安徽鼎封橡胶减震技术有限公司 | A kind of high buffering inner support type top connection board mounting structure |
| CN109026609A (en) * | 2018-10-17 | 2018-12-18 | 珠海格力电器股份有限公司 | Vibration damper, compressor with same and air conditioner |
-
2018
- 2018-11-12 CN CN201811341671.9A patent/CN109236943B/en active Active
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| Publication number | Publication date |
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| CN109236943A (en) | 2019-01-18 |
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