CN117902028A - Honeycomb panel inserts that can make an uproar falls in damping - Google Patents
Honeycomb panel inserts that can make an uproar falls in damping Download PDFInfo
- Publication number
- CN117902028A CN117902028A CN202311807569.4A CN202311807569A CN117902028A CN 117902028 A CN117902028 A CN 117902028A CN 202311807569 A CN202311807569 A CN 202311807569A CN 117902028 A CN117902028 A CN 117902028A
- Authority
- CN
- China
- Prior art keywords
- honeycomb panel
- elastic body
- insert
- vibration
- metal outer
- 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
- 238000013016 damping Methods 0.000 title claims description 6
- 229910052751 metal Inorganic materials 0.000 claims abstract description 56
- 239000002184 metal Substances 0.000 claims abstract description 56
- 229920001971 elastomer Polymers 0.000 claims description 17
- 239000000806 elastomer Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- 238000004382 potting Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims 1
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Laminated Bodies (AREA)
Abstract
The application belongs to the technical field of aircraft structural design, and particularly relates to a honeycomb plate insert capable of reducing vibration and noise, which is provided with a perforated honeycomb plate and an insert arranged in the perforation; the insert includes: the elastic body, the metal outer collar and the metal inner collar; the elastic body comprises a central cylinder body with a central hole and two mounting edges formed by radial extension of the two ends of the central cylinder body, wherein each mounting edge is provided with a metal outer sleeve ring, and the metal inner sleeve rings are sleeved in the central hole of the elastic body.
Description
Technical Field
The application belongs to the technical field of aircraft structural design, and particularly relates to a honeycomb panel insert capable of reducing vibration and noise.
Background
At present, the through hole inserts of the honeycomb plate commonly used in engineering are all metal structures, and can be used as connecting pieces to pass through holes and increase the local strength and rigidity of the honeycomb plate. If the vibration damping and noise reduction functions are required to be introduced, vibration damping pads or vibration dampers are required to be additionally fixed on the support, and the conventional combined parts are large in number, heavy in weight and high in assembly cost.
Disclosure of Invention
In order to solve the above problems, the present application provides a honeycomb panel insert capable of reducing vibration and noise, comprising:
a honeycomb panel having perforations and an insert mounted in the perforations;
The insert includes: the elastic body, the metal outer collar and the metal inner collar;
The elastic body comprises a central cylinder body with a central hole and two mounting edges formed by radial extension of the two ends of the central cylinder body, wherein each mounting edge is provided with a metal outer sleeve ring, and the metal inner sleeve ring is sleeved in the central hole of the elastic body.
Preferably, the mounting edge of the elastic body forms a limiting round head at the edge, the metal outer sleeve ring is provided with a hollow round ring which is clamped with the limiting round head, and the metal outer sleeve ring is fixed on the elastic body through the clamping of the hollow round ring and the limiting round head.
Preferably, a plurality of axially distributed annular grooves are arranged on the central hole wall of the elastomer, and each annular groove is provided with a metal inner collar with the same cross-sectional shape as that of the annular groove.
Preferably, the outer wall surface of the elastic body central cylinder is provided with a plurality of bosses for increasing the area connected with the honeycomb panel.
Preferably, the outer end surface of the metal outer collar is higher than the end surface of the elastomer at the location of the metal outer collar.
Preferably, the insert is secured to the honeycomb panel using a potting adhesive.
Preferably, the elastomer is a rubber material.
Preferably, the metal outer collar is connected with the metal inner collar at the end face of the elastic body to form an integral structure, and the two ends of the elastic body are respectively provided with the integral structure.
The metal outer collar and the metal inner collar are made of titanium alloy or aluminum alloy.
The advantages of the application include: according to the application, the metal outer lantern rings are arranged at the two ends of the insert in a split manner, and the middle parts of the insert are made of flexible materials, so that vibration noise at the two ends cannot be directly transmitted through the rigid part, thereby realizing the noise reduction function, and in addition, the rigidity of the metal outer lantern rings and the metal inner lantern rings can be increased, so that the vibration reduction and noise reduction effects are realized, and meanwhile, the assembly cost is reduced.
Drawings
FIG. 1 is a schematic illustration of a honeycomb panel and insert connection in accordance with a preferred embodiment of the present application;
Fig. 2 is a schematic view of a preferred embodiment insert of the present application.
Detailed Description
In order to make the technical solution of the present application and its advantages more clear, the technical solution of the present application will be further and completely described in detail with reference to the accompanying drawings, it being understood that the specific embodiments described herein are only some of the embodiments of the present application, which are for explanation of the present application and not for limitation of the present application. It should be noted that, for convenience of description, only the part related to the present application is shown in the drawings, and other related parts may refer to the general design, and the embodiments of the present application and the technical features of the embodiments may be combined with each other to obtain new embodiments without conflict.
The structural schematic of the design method of the honeycomb panel insert capable of reducing vibration and noise is shown in fig. 1 and 2. The structure consists of a honeycomb plate 1 and an insert 2, wherein the insert 2 comprises an elastomer 3, a metal outer sleeve ring 4 and a metal inner sleeve ring 5, and the insert 2 is fixed with the honeycomb plate 1 by using pouring sealant.
According to the invention, the elastomer 3 is introduced into the design of the insert 2 of the honeycomb plate 1, the elastomer 3 can be made of rubber material with proper hardness, the elastomer 3 is a rotating body with a through hole, the side section is approximately I-shaped, and the elastomer 3 comprises a central cylinder body with a central hole and two mounting edges formed by radially extending two ends of the central cylinder body respectively; the mounting edge of the elastic body 3 forms a limiting round head at the edge, the metal outer lantern ring 4 is provided with a hollow round ring which is clamped with the limiting round head, and the metal outer lantern ring 4 is fixed on the elastic body 3 through the clamping of the hollow round ring and the limiting round head;
the central pore wall of the elastic body 3 is provided with a plurality of axially distributed annular grooves, each annular groove is provided with a metal inner lantern ring 5 with the same cross-sectional shape as that of the annular groove, specifically, the number of the annular grooves is three, the cross sections of the annular grooves are rectangular and are used for being matched with the metal inner lantern rings 5, the number of the metal inner lantern rings 5 is three, and the three metal inner lantern rings 5 are annular with rectangular cross sections and are integrated on the annular groove of the pore wall of the elastic body 3.
The outer wall surface of the central cylinder of the elastic body 3 is provided with a plurality of bosses for increasing the area connected with the honeycomb panel 1, the bosses are arranged in the middle of the middle cylinder, and hexagonal bosses are selected for increasing the cementing area of the insert 2;
The structure can adjust the height of the insert 2 and the diameter of the central hole according to the thickness of the honeycomb plate 1 and the diameter of the connecting piece, and can also adjust the design parameters such as the diameter, the thickness and the like of the metal outer sleeve ring 4 and the metal inner sleeve ring 5 according to the requirements of the whole structural rigidity, the strength and the weight
In some alternative embodiments, the outer end surface of the metal outer collar 4 is higher than the end surface of the elastomer 3 at the location of the metal outer collar 4.
In some alternative embodiments, the insert 2 is secured to the honeycomb panel 1 using a potting adhesive.
In some alternative embodiments, the material of the elastomer 3 comprises a rubber material.
In some alternative embodiments, the metal outer collar 4 extends towards the central hole at the end face of the elastic body 3 and is connected with the metal inner collar 5 to form an integral structure, and the integral structure is respectively installed at two ends of the elastic body 3, one fact mode is that one metal outer collar 4 and one metal inner collar 5 form an integral structure, the integral structure is provided with a mounting groove for covering the mounting edge, the integral structure directly covers the end face of the elastic body 3, part of the integral structure is sleeved in the central hole of the elastic body 3 to provide supporting rigidity for the central hole, two ends of the elastic body 3 are respectively provided with an integral structure, the two integral structures are not in direct contact, noise transmission at two ends is avoided, and particularly, when the elastic body 3 is overlong, the metal inner collar 5 can be added on the wall of the central hole to provide supporting rigidity.
The metal outer lantern ring 4 and the metal inner lantern ring 5 are made of titanium alloy or aluminum alloy.
The advantages of the application include: according to the application, the metal outer lantern rings are arranged at the two ends of the insert in a split manner, and the middle parts of the insert are made of flexible materials, so that vibration noise at the two ends cannot be directly transmitted through the rigid part, thereby realizing the noise reduction function, and in addition, the rigidity of the metal outer lantern rings and the metal inner lantern rings can be increased, so that the vibration reduction and noise reduction effects are realized, and meanwhile, the assembly cost is reduced.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present application should be included in the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (9)
1. A honeycomb panel insert for damping vibration and reducing noise, comprising:
a honeycomb panel (1) having perforations and an insert (2) mounted in the perforations;
the insert (2) comprises: an elastic body (3), a metal outer collar (4) and a metal inner collar (5);
The elastic body (3) comprises a central cylinder body with a central hole and two mounting edges formed by radial extension of two ends of the central cylinder body, wherein each mounting edge is provided with a metal outer sleeve ring (4), and a metal inner sleeve ring (5) is sleeved in the central hole of the elastic body (3).
2. The honeycomb panel insert capable of reducing vibration and noise according to claim 1, wherein the mounting edge of the elastic body (3) forms a limit round head at the edge, the metal outer sleeve ring (4) is provided with a hollow round ring clamped with the limit round head, and the metal outer sleeve ring (4) is fixed on the elastic body (3) through the clamping of the hollow round ring and the limit round head.
3. A honeycomb panel insert for vibration and noise reduction according to claim 1, characterized in that the central hole wall of the elastomer (3) is provided with a plurality of axially distributed ring grooves, each of which is provided with a metal inner collar (5) having the same cross-sectional shape as the cross-sectional shape of the ring groove.
4. A honeycomb panel insert for vibration and noise reduction according to claim 1, characterized in that the outer wall surface of the central cylinder of the elastic body (3) is provided with a plurality of bosses for increasing the area of connection with the honeycomb panel (1).
5. A honeycomb panel insert for vibration and noise reduction according to claim 1, characterized in that the outer end surface of the metal outer collar (4) is higher than the end surface of the elastomer (3) at the location of the metal outer collar (4).
6. The honeycomb panel insert for vibration and noise reduction according to claim 1, characterized in that the insert (2) is fixed to the honeycomb panel (1) using a potting compound.
7. A honeycomb panel insert for damping and reducing noise according to claim 1, characterized in that the elastomer (3) is made of rubber material.
8. The honeycomb panel insert capable of reducing vibration and noise according to claim 1, wherein the metal outer collar (4) is connected with the metal inner collar (5) at the end face position of the elastic body (3) to form an integral structure, and the two ends of the elastic body (3) are respectively provided with the integral structure.
9. A honeycomb panel insert for vibration and noise reduction according to claim 1, characterized in that the metal outer collar (4) and the metal inner collar (5) are made of titanium alloy or aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311807569.4A CN117902028A (en) | 2023-12-26 | 2023-12-26 | Honeycomb panel inserts that can make an uproar falls in damping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311807569.4A CN117902028A (en) | 2023-12-26 | 2023-12-26 | Honeycomb panel inserts that can make an uproar falls in damping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117902028A true CN117902028A (en) | 2024-04-19 |
Family
ID=90683258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311807569.4A Pending CN117902028A (en) | 2023-12-26 | 2023-12-26 | Honeycomb panel inserts that can make an uproar falls in damping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117902028A (en) |
-
2023
- 2023-12-26 CN CN202311807569.4A patent/CN117902028A/en active Pending
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |