CN214395696U

CN214395696U - Three-dimensional prefabricated body of supporting framework

Info

Publication number: CN214395696U
Application number: CN202022235784.XU
Authority: CN
Inventors: 郭杰宇
Original assignee: Wuxi Hangtuo High Tech Material Technology Co ltd
Current assignee: Jiangsu Jiangtuoliyang New Material Technology Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-10-15
Anticipated expiration: 2030-10-09

Abstract

The utility model discloses a three-dimensional preform of support chassis, including the support chassis preform, the vertical surface of support chassis preform bonds and has first fibre felt layer, the surface on first fibre felt layer is provided with netted layer, the surface on netted layer bonds and has increase fibre felt layer, the fixed surface that increases fibre felt layer has made first frictional layer, the horizontal surface of support chassis preform bonds and has second fibre felt layer, the top on second fibre felt layer is provided with prism layer, prism layer's top is provided with the third fibrous layer, the fixed second frictional layer that has made in top on third fibrous layer. The strength of the whole supporting framework prefabricated body is improved through the prism layer, and the corner of the supporting framework prefabricated body is wrapped through the net-shaped layer, so that the ductility of the longitudinal and transverse connection part of the supporting framework prefabricated body is improved, the bending resistance is improved, and the practicability of the supporting framework prefabricated body is improved.

Description

Three-dimensional prefabricated body of supporting framework

Technical Field

The utility model belongs to the technical field of the three-dimensional preform, concretely relates to three-dimensional preform of supporting framework.

Background

The fiber reinforced composite material has been widely applied to functional integrated components of cylindrical, plate-shaped and special-shaped structures due to the excellent comprehensive properties of high mechanical damage tolerance, impact resistance, delamination resistance, fatigue resistance and the like and the strong designability of structural properties, wherein the capping structural components can be applied to functional materials, structural materials and the like in the aerospace field according to the different selected fiber materials.

The existing prefabricated body is prefabricated through the carbon fiber cloth, but the supporting framework is prefabricated through the carbon fiber cloth, and the ductility of the joint of the supporting framework is poor, so that the bending resistance of the supporting framework is reduced, the integral strength of the supporting framework prefabricated body is reduced, and the practicability of the supporting framework prefabricated body is reduced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a support the three-dimensional prefabricated body of skeleton has improved the holistic intensity of support skeleton prefabricated body through the prism layer to and wrap up support skeleton prefabricated body turning through netted layer, thereby improve the ductility of support skeleton prefabricated body longitudinal and transverse connection department, thereby improved resistant zigzag nature, improve the practicality of support skeleton prefabricated body then.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a three-dimensional prefabricated body of support chassis, includes the support chassis prefabricated body, the vertical surface bonding of support chassis prefabricated body has first fibre felt layer, the surface on first fibre felt layer is provided with netted layer, the surface bonding of netted layer has increases fibre felt layer, the fixed surface that increases fibre felt layer has made first frictional layer, the horizontal surface bonding of support chassis prefabricated body has second fibre felt layer, the top on second fibre felt layer is provided with prism layer, prism layer's top is provided with the third fibrous layer, the fixed second frictional layer that has made in top on third fibrous layer.

As a preferred technical solution of the present invention, the first fiber mat layer, the second fiber mat layer and the third fiber layer have the same thickness.

As a preferred technical scheme of the utility model, the thickness that increases the fibre felt layer is greater than the thickness of first fibre felt layer, second fibre felt layer, third fibre layer.

As an optimal technical scheme of the utility model, the laminating piece covers at the surface of extension piece, and the extension piece is connected through sewing up the fibre with the laminating piece.

As an optimized technical scheme of the utility model, first frictional layer passes through the fibre line successive layer with second fibre felt layer and lays the acupuncture shaping.

As an optimal technical scheme of the utility model, increase the fixed sewing of fibre felt layer and laminating piece through the fibre line.

As an optimized technical scheme of the utility model, first fibre felt layer is fixed through the fibre line with the extension piece and is made up.

As a preferred technical scheme of the utility model, the prism layer is regular triangle setting, and per two prism layers superpose each other.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. by arranging the first fiber felt layer, the net layer, the additional fiber felt layer, the first friction layer, the second fiber felt layer, the prism layer, the third fiber layer, the second friction layer, the extension block and the fitting block, the overall strength of the support framework preform is improved through the prism layer, and corners of the support framework preform are wrapped through the net layer, so that the ductility of the vertical and horizontal joints of the support framework preform is improved, the bending resistance is improved, and the practicability of the support framework preform is improved;

2. through setting up device second frictional layer, first friction, improved the holistic friction performance of support chassis prefabricated part through second frictional layer and first frictional layer, improve the practicality of support chassis prefabricated part then.

Drawings

Fig. 1 is a schematic sectional front view of the structure of the present invention;

FIG. 2 is an enlarged view of the structure at the position A of the present invention;

FIG. 3 is an enlarged view of the structure at B of the present invention;

fig. 4 is a schematic front view of the structure of the present invention.

Wherein: 1. supporting the skeleton preform; 2. a first fibrous mat layer; 3. a mesh layer; 4. adding a fiber felt layer; 5. a first friction layer; 6. a second fibrous batt layer; 7. a prism layer; 8. a third fibrous layer; 9. a second friction layer; 10. an extension block; 11. and (7) fitting the blocks.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1 and 4, a three-dimensional support skeleton preform comprises a support skeleton preform 1, wherein a first fiber felt layer 2 is bonded on the longitudinal outer surface of the support skeleton preform 1, a net layer 3 is arranged on the outer surface of the first fiber felt layer 2, an additional fiber felt layer 4 is bonded on the outer surface of the net layer 3, a first friction layer 5 is fixedly bonded on the outer surface of the additional fiber felt layer 4, a second fiber felt layer 6 is bonded on the transverse outer surface of the support skeleton preform 1, a prism layer 7 is arranged on the top of the second fiber felt layer 6, a third fiber layer 8 is arranged on the top of the prism layer 7, and a second friction layer 9 is fixedly bonded on the top of the third fiber layer 8;

when the prior art carries out the preform manufacturing to the supporting framework, wrap up supporting framework preform 1 with second fibre felt layer 6 vertically and horizontally through first fibre felt layer 2, cover supporting framework preform 1's turning through setting up netted layer 3, and fix and sew up first fibre felt layer 2 one side extension piece 10 through laminating piece 11 that increases fibre felt layer 4 one side, sew up prism layer 7 on the surface of second fibre felt layer 6, cover prism layer 7 through third fibre layer 8, cover supporting framework preform 1 through second friction layer 9 and first friction layer 5, after supporting framework preform 1 wraps up, then again through high temperature processing, make a neotype supporting framework three-dimensional preform of sandwich structure, improve supporting framework preform 1's holistic intensity through prism layer 7, improve supporting framework preform 1's whole friction performance through second friction layer 9 and first friction layer 5 And wrap up supporting skeleton preform 1 turning through netted layer 3 to improve the ductility of supporting skeleton preform 1 vertical and horizontal junction, thereby improved resistant zigzag nature, improve supporting skeleton preform 1's practicality then.

In other embodiments, as shown in fig. 1, 2, 3, the first, second and third

fibrous mat layers

2, 6, 8 are of the same thickness; through setting up the material that communicates with each other thickness to carry out unified parcel to supporting framework.

In other embodiments, as shown in fig. 1, 2, 3, the thickness of fibrous mat layer 4 is increased to be greater than the thickness of first fibrous mat layer 2, second fibrous mat layer 6, third fibrous layer 8; so as to cover the longitudinal and transverse joints of the supporting framework, thereby improving the strength of the joints of the supporting framework.

In other embodiments, as shown in fig. 1, 2 and 3, the fitting block 11 covers the outer surface of the extension block 10, and the extension block 10 and the fitting block 11 are connected by sewing fibers; the connection is made by fiber threads, so that the overall connectivity of the extension block 10 and the attachment block 11 is improved.

In other embodiments, as shown in fig. 1, 2 and 3, the first friction layer 5 and the second fiber felt layer 6 are formed by layering and needling fiber threads layer by layer; thereby improving the overall friction performance of the supporting framework.

In other embodiments, as shown in fig. 4, the additional fiber felt layer 4 and the fitting block 11 are fixedly sewn through fiber threads; the first fiber felt layer 2 and the mesh layer 3 are wrapped and attached by arranging the attaching block 11 and increasing the fiber felt layer 4.

In other embodiments, as shown in figure 4, the first layer of fibrous batt 2 is fixedly sewn to the extension block 10 by means of a thread of fibre; so as to fix and laminate the first fiber felt layer 2 through the laminating block 11, thereby realizing the integral wrapping of the supporting framework.

In other embodiments, as shown in fig. 3, the prism layers 7 are arranged in a regular triangle, and every two prism layers 7 are overlapped with each other; so as to improve the overall stability of the support frame and thus improve the strength of the support frame preform 1.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a three-dimensional prefabricated body of support skeleton, includes support skeleton prefabricated body (1), its characterized in that: the vertical surface bonding of support frame preform (1) has first fibre felt layer (2), the surface of first fibre felt layer (2) is provided with netted layer (3), the surface bonding of netted layer (3) has increases fibre felt layer (4), the fixed surface that increases fibre felt layer (4) has made first frictional layer (5), the horizontal surface bonding of support frame preform (1) has second fibre felt layer (6), the top of second fibre felt layer (6) is provided with prism layer (7), the top of prism layer (7) is provided with third fibrous layer (8), the fixed second frictional layer (9) of having made in top of third fibrous layer (8).

2. A support skeleton three-dimensional preform according to claim 1, wherein: the first fiber felt layer (2), the second fiber felt layer (6) and the third fiber layer (8) have the same thickness.

3. A support skeleton three-dimensional preform according to claim 1, wherein: the thickness of the additional fiber felt layer (4) is larger than the thickness of the first fiber felt layer (2), the second fiber felt layer (6) and the third fiber layer (8).

4. A support skeleton three-dimensional preform according to claim 1, wherein: the sticking block (11) covers the outer surface of the extension block (10), and the extension block (10) is connected with the sticking block (11) through sewing fibers.

5. A support skeleton three-dimensional preform according to claim 1, wherein: the first friction layer (5) and the second fiber felt layer (6) are formed by layering and needling fiber lines layer by layer.

6. A support skeleton three-dimensional preform according to claim 1, wherein: the additional fiber felt layer (4) and the fitting block (11) are fixedly sewn through fiber threads.

7. A support skeleton three-dimensional preform according to claim 1, wherein: the first fiber felt layer (2) and the extension block (10) are fixedly sewn through fiber threads.

8. A support skeleton three-dimensional preform according to claim 1, wherein: the prism layers (7) are arranged in a regular triangle shape, and every two prism layers (7) are mutually overlapped.