CN216300372U

CN216300372U - Nano modified vibration-damping pre-buried carbon fiber sandwich plate

Info

Publication number: CN216300372U
Application number: CN202122305656.2U
Authority: CN
Inventors: 张广豆; 史飞; 徐田华
Original assignee: Nanjing Chenmao New Material Technology Co ltd
Current assignee: Nanjing Chenmao New Material Technology Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-04-15
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a nano modified vibration reduction pre-buried carbon fiber sandwich plate, which comprises an upper carbon fiber layer and a lower carbon fiber layer, wherein a PMI foam plate is arranged between the upper carbon fiber layer and the lower carbon fiber layer, through holes are symmetrically formed in the upper side walls of the upper carbon fiber layer, the lower carbon fiber layer and the PMI foam plate, square grooves are formed in the upper side walls of the upper carbon fiber layer and the PMI foam plate, and aluminum blocks are embedded into the inner walls of the square grooves. Through setting up the last carbon fiber layer of surface parallel and level, stability when guaranteeing its integral erection to the effect of maintaining safe in utilization has been realized.

Description

Nano modified vibration-damping pre-buried carbon fiber sandwich plate

Technical Field

The utility model relates to the technical field of fiber sandwich plates, in particular to a nano modified vibration-damping pre-buried carbon fiber sandwich plate.

Background

The carbon fiber sandwich plate has the characteristics of large specific rigidity, high specific strength and the like due to large rigidity, high strength and light weight, and the structure has the potential of wide application in aerospace structures, ship structures and civil engineering. However, the existing pre-embedded carbon fiber sandwich plate does not have good vibration reduction capability and impact strength, so that a vibration reduction pre-embedded carbon fiber plate is provided for solving the problems

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a nano modified vibration-damping pre-buried carbon fiber sandwich plate to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: modified damping of nanometer buries carbon fiber sandwich panel, including last fibrous stratum and lower fibrous stratum, go up the fibrous stratum and be equipped with the PMI cystosepiment down between the fibrous stratum, go up the lateral wall symmetry of fibrous stratum, lower fibrous stratum and PMI cystosepiment and seted up the through-hole, square groove has been seted up to the last lateral wall of going up fibrous stratum and PMI cystosepiment, the aluminium pig is installed in the inner wall embedding in square groove.

Preferably, the upper carbon fiber layer and the lower carbon fiber layer are glued with the PMI foam board through resin glue.

Preferably, the edge of the through hole is provided with an arc-shaped groove, and the inner wall of the arc-shaped groove is filled with lead blocks.

Preferably, the inner wall embedding of lower carbon fiber layer is installed and is violently strengthened the strip and indulge the reinforcing bar, and violently strengthens the strip and indulges the reinforcing bar and be the setting of staggering.

Preferably, the side walls of the upper carbon fiber layer, the lower carbon fiber layer and the PMI foam board are provided with notch grooves, and shielding copper rings are fixedly mounted on the inner walls of the notch grooves.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the carbon fiber layer with the reinforcing strips arranged in a staggered manner in the transverse and longitudinal directions is arranged, so that when the plate body is impacted to a greater degree, the component force can be buffered through the toughness of the carbon fiber layer, and the integral shock absorption effect of the device is realized. Through setting up the last carbon fiber layer of surface parallel and level, stability when guaranteeing its integral erection to the effect of maintaining safe in utilization has been realized.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

FIG. 2 is a schematic cross-sectional view of the present invention.

FIG. 3 is a schematic view of a lower carbon fiber layer of the present invention.

In the figure: carbon fiber layer, 2 lower carbon fiber layers, 3PMI cystosepiment, 4 resin glues, 5 through-holes, 6 square grooves, 7 aluminium pig, 8 arc walls, 9 lead pig, 10 horizontal reinforcing bar, 11 vertical reinforcing bar, 12 breach grooves, 13 shelter from the copper ring on 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.

Referring to fig. 1-3, the present invention provides a technical solution: modified damping of nanometer buries carbon fiber sandwich panel, including last fibrous stratum 1 and lower fibrous stratum 2, it is equipped with PMI cystosepiment 3 to go up fibrous stratum 1 and be equipped with down between fibrous stratum 2, go up the lateral wall symmetry of fibrous stratum 1, lower fibrous stratum 2 and PMI cystosepiment 3 and seted up through-hole 5 to set up through-hole 5 through the mode that sets up pre-buried hole in four corners department in advance, thereby guarantee that its whole shape is accurate, square groove 6 has been seted up to the last lateral wall of going up fibrous stratum 1 and PMI cystosepiment 3, aluminium piece 7 is installed in the inner wall embedding of square groove 6, and aluminium piece 7 is horizontal with the upper surface of last fibrous stratum 1 to polish and spout the effect of gloss oil in order to reach the protection surface.

Specifically, go up carbon fiber layer 1 and lower carbon fiber layer 2 and PMI cystosepiment 3 and glue through resin glue 4 and glue, guarantee the stability of connecting.

Particularly, arc wall 8 has been seted up at the edges and corners department of through-hole 5, lead 9 has been filled to the inner wall packing of arc wall 8, behind through-hole 5 department installation square structure, through lead 9 rather than being connected, further guarantee the stability of installation.

For the intensity and the anti-vibration ability of reinforcing plate body, horizontal reinforcement strip 10 and vertical reinforcement strip 11 are installed in the inner wall embedding of carbon fiber layer 2 down, and violently reinforce strip 10 and indulge reinforcement strip 11 and be the setting of staggering for when external force acts on carbon fiber layer 2 down, can cushion it through violently strengthening strip 10 and indulging reinforcement strip 11 cooperation.

Particularly, breach groove 12 has been seted up to the lateral wall of going up carbon fiber layer 1, lower carbon fiber layer 2 and PMI cystosepiment 3, the inner wall fixed mounting of breach groove 12 has shelters from copper ring 13, the whole location of the plate body of being convenient for.

The working principle is as follows: the utility model relates to a nano modified vibration-damping pre-buried carbon fiber sandwich plate, wherein the thickness of an upper carbon fiber layer 1 and a lower carbon fiber layer 2 is 5-50 mm, the thickness of a PMI foam plate 3 is 10-100 mm, through holes 5 are formed in the four corners in a pre-buried hole mode in advance, the whole through hole 5 is communicated through the through holes 5 at the four corners, and an aluminum block 7 is embedded, then is subjected to polishing treatment and is sprayed with gloss oil to achieve the effect of protecting the surface.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The nano modified damping pre-buried carbon fiber sandwich plate is characterized in that: including last carbon fiber layer (1) and lower carbon fiber layer (2), go up carbon fiber layer (1) and be equipped with PMI cystosepiment (3) down between carbon fiber layer (2), through-hole (5) have been seted up to the last lateral wall symmetry of going up carbon fiber layer (1), lower carbon fiber layer (2) and PMI cystosepiment (3), square groove (6) have been seted up to the last lateral wall of going up carbon fiber layer (1) and PMI cystosepiment (3), aluminium block (7) are installed in the inner wall embedding of square groove (6).

2. The nano-modified vibration-damping pre-embedded carbon fiber sandwich plate according to claim 1, wherein: the upper carbon fiber layer (1), the lower carbon fiber layer (2) and the PMI foam board (3) are glued through resin glue (4).

3. The nano-modified vibration-damping pre-embedded carbon fiber sandwich plate according to claim 1, wherein: arc-shaped grooves (8) are formed in edges and corners of the through holes (5), and lead blocks (9) are filled in the inner walls of the arc-shaped grooves (8).

4. The nano-modified vibration-damping pre-embedded carbon fiber sandwich plate according to claim 1, wherein: the inner wall embedding of lower carbon fiber layer (2) is installed and is violently strengthened strip (10) and indulged reinforcement strip (11), and violently strengthens strip (10) and indulges reinforcement strip (11) and be the setting of staggering.

5. The nano-modified vibration-damping pre-embedded carbon fiber sandwich plate according to claim 1, wherein: go up carbon fiber layer (1), lower carbon fiber layer (2) and PMI cystosepiment (3) the lateral wall seted up breach groove (12), the inner wall fixed mounting of breach groove (12) has sheltered from copper ring (13).