CN216232827U - Frame type floating raft - Google Patents

Abstract

The utility model relates to the technical field of floating rafts, in particular to a frame type floating raft. A framed raft, comprising: the first plate body and the second plate body are oppositely arranged, and an installation space is formed between the first plate body and the second plate body; the supporting structure is arranged in the installation space and comprises a plurality of carbon fiber pipes, and the plurality of carbon fiber pipes are arranged in a crossed mode to form a plurality of hollow cavities. The utility model provides a frame-type floating raft which is light in weight and good in vibration and noise reduction effects.

Description

Frame type floating raft

Technical Field

The utility model relates to the technical field of floating rafts, in particular to a frame type floating raft.

Background

The raft frame structure in the prior floating raft for ship vibration isolation is an important structure for connecting a hull and a base, the middle raft frame of the floating raft vibration isolation system is made of carbon steel and other metal materials, the damping is small, the specific rigidity of the material is low, and the further improvement of the vibration isolation performance is limited; the structure is mostly a plate frame type structure, the rigidity of the vibration isolation floating raft in a high-frequency area is insufficient, a plurality of resonance frequencies are generated with vibration isolation equipment, the equipment is damaged to a certain extent, and the life of crews is influenced; and because of adopting metal material, lead to vibration isolation buoyant raft system weight great, the hull focus moves down scheduling problem.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the utility model is to overcome the defects of larger weight and poor vibration and noise reduction effects of the floating raft in the prior art, so that the frame type floating raft with lighter weight and good vibration and noise reduction effects is provided.

In order to solve the above technical problems, the present invention provides a frame-type raft, comprising:

the first plate body and the second plate body are oppositely arranged, and an installation space is formed between the first plate body and the second plate body;

the supporting structure is arranged in the installation space and comprises a plurality of carbon fiber pipes, and the plurality of carbon fiber pipes are arranged in a crossed mode to form a plurality of hollow cavities.

Optionally, the system further comprises a multi-way joint, and a plurality of carbon fiber pipes are arranged in a crossing manner through the multi-way joint.

Optionally, two adjacent carbon fiber tubes are intersected with each other to form a first support body, and a rhombic space is formed between two adjacent first support bodies.

Optionally, at least three carbon fiber tubes are mutually crossed to form a second support body, and a space is reserved between two adjacent second support bodies.

Optionally, the first and second supports are arranged alternately.

Optionally, a damping layer is disposed within the carbon fiber tube.

Optionally, the support structure is connected to the first plate and the second plate through a connecting structure.

Optionally, the connecting structure comprises a fastener and an adhesive.

Optionally, the first plate body and the second plate body are both metal plates.

Optionally, the hollow cavity is a regular hexagon.

The technical scheme of the utility model has the following advantages:

1. according to the frame-type floating raft, the plurality of carbon fiber pipes form a supporting structure in an intersecting manner, so that the whole floating raft is light in weight and reduced in weight by 25-40%, and the carbon fiber composite material has high specific modulus, so that a resonance effect with equipment in a high-frequency stage is effectively avoided, the vibration and noise reduction effects are good, and the equipment and personnel safety is protected; meanwhile, the hollow cavity can fully play a role in wave scattering, so that the sound wave transmission is effectively reduced, and the vibration and noise are further reduced; the carbon fiber tubes are arranged in a crossed manner, the overall strength of the floating raft is considered, and the floating raft is not easy to deform.

2. The frame-type floating raft provided by the utility model can be provided with a plurality of first supporting bodies and second supporting bodies according to the density of the bearing equipment, or the first supporting bodies and the second supporting bodies are combined, so that different use requirements are met.

3. According to the frame-type floating raft provided by the utility model, the arrangement of the damping layer in the carbon fiber pipe increases the acoustic transmission loss, and the effects of further vibration reduction and noise reduction are achieved.

4. According to the frame-type floating raft provided by the utility model, the supporting structure is connected with the first plate body and the second plate body through the fasteners and the adhesive, so that the connection is more reliable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic view of a first embodiment of a framed raft according to the present invention;

figure 2 is a schematic view of a second embodiment of a framed raft according to the utility model;

fig. 3 is a schematic view of a third embodiment of a framed raft according to the present invention.

Description of reference numerals:

1. a first plate body; 2. a second plate body; 3. a support structure; 4. a carbon fiber tube; 5. a multi-way joint; 6. A hollow cavity; 7. a first support; 8. a rhombus space; 9. a connecting structure; 10. a second support.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

One embodiment of a framed raft, as shown in fig. 1, comprises a first panel 1 and a second panel 2 arranged opposite to each other, and a support structure 3 arranged between the first panel 1 and the second panel 2.

The first plate body 1 and the second plate body 2 are both metal plates, such as steel plates, so as to meet the strength requirement, and an installation space is formed between the first plate body 1 and the second plate body 2.

The supporting structure 3 is arranged in the installation space and comprises a plurality of carbon fiber tubes 4 and a plurality of multi-way joints 5, the carbon fiber tubes 4 are arranged in a crossed mode through the multi-way joints 5 to form a plurality of hollow cavities 6, and the plurality of carbon fiber tubes 4 are evenly distributed in the installation space. As shown in fig. 1, two adjacent carbon fiber tubes 4 are intersected with each other to form a first support 7, and a rhombic space 8 is formed between two adjacent first supports 7. Of course, the distance between the two first supporting bodies 7 can be increased according to the actual load-bearing weight, or a part of the first supporting bodies 7 can be arranged close to each other, and the rest can be arranged far away from each other, that is, density distributions with different proportions can be arranged.

In order to further improve the vibration and noise reduction effect, a damping layer is arranged in the carbon fiber pipe 4.

In order to ensure the reliability of the device, the supporting structure 3 is connected with the first board body 1 and the second board body 2 through a connecting structure 9. Specifically, the connecting structure 9 includes a fastening member and an adhesive, the fastening member is a bolt and a nut, and the adhesive is an AB adhesive.

In a second embodiment as shown in fig. 2, at least three carbon fiber tubes 4 are intersected with each other to form a second support body 10, and a space is reserved between two adjacent second support bodies 10.

As an alternative embodiment, the first supports 7 and the second supports 10 are arranged alternately.

In a third embodiment, as shown in fig. 3, the hollow cavities 6 are regular hexagons, i.e. the support structure 3 is honeycomb-shaped.

During processing, firstly, the number of the required carbon fiber tubes is calculated according to structural strength simulation analysis. And then paving a damping layer on the prepreg to prepare the carbon fiber pipe multi-way joint. And assembling a plurality of carbon fiber tubes through the multi-way joint to form a first support body and a second support body. And finally, fixing the first support body and the second support body with the first plate body and the second plate body through fasteners and adhesives, and finishing to complete assembly.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims (10)

1. A frame-type buoyant raft, comprising:

the plate comprises a first plate body (1) and a second plate body (2) which are oppositely arranged, wherein an installation space is formed between the first plate body (1) and the second plate body (2);

the supporting structure (3) is arranged in the installation space and comprises a plurality of carbon fiber pipes (4), and the carbon fiber pipes (4) are arranged in a crossed mode to form a plurality of hollow cavities (6).

2. A framed raft according to claim 1, further comprising a multi-way joint (5), a plurality of said carbon fibre tubes (4) being arranged crosswise through said multi-way joint (5).

3. A framed raft according to claim 2, wherein adjacent two of said carbon fibre tubes (4) are interdigitated to form a first support (7), and wherein diamond-shaped spaces (8) are formed between adjacent two of said first supports (7).

4. A framed raft according to claim 3, wherein at least three of said carbon fibre tubes (4) are interdigitated to form a second support (10), a space being reserved between two adjacent second supports (10).

5. A framed raft according to claim 4, characterised in that said first (7) and second (10) supports are arranged alternately.

6. A framed raft according to any of claims 1-5, wherein a damping layer is provided inside said carbon fibre tubes (4).

7. A framed raft according to any of claims 1-5, characterised in that said support structure (3) is connected to said first (1) and second (2) panels by means of a connection structure (9).

8. A framed raft according to claim 7, wherein said connection structure (9) comprises fasteners and adhesive.

9. A framed raft according to any of claims 1-5, characterised in that said first (1) and second (2) panels are both metal panels.

10. A framed raft according to any of claims 1-5, wherein said hollow cavities (6) are regular hexagons.

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