Anti-collision structure

Abstract

The utility model belongs to the technical field of anti-collision structures, and particularly relates to an anti-collision structure which comprises a corrugated interlayer anti-collision structure and a reinforcing beam used for supporting the corrugated interlayer anti-collision structure. The multiple corrugated interlayer anti-collision structures and the multiple reinforcing beams are arranged, and the reinforcing beams are arranged at the two ends of the corrugated interlayer anti-collision structures and arranged in a cross sorting mode. The corrugated interlayer anti-impact structure is composed of an upper panel, a lower panel and a corrugated interlayer structure. The corrugated sandwich structure is located between the upper panel and the lower panel, through the design of the corrugated sandwich structure, the wave crests decompose impact energy, the corrugations buffer and absorb energy, and the requirement for structural impact resistance is met; the upper and lower panels and the corrugated sandwich structure support each other to improve the overall rigidity and reduce the structural weight; the panel is designed according to the structural requirements, meets the appearance requirements of different parts, is modularly designed, is convenient to install and is suitable for structures with different sizes.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the anti -impact structure technical field, and specifically relates to an anti -impact structure. BACKGROUND

[0002] Modern high-speed rail, aircraft and other industries develop rapidly, as the high-speed transport tool, the impact of flying birds, stones and other objects can pose a serious threat to the operation safety of high-speed rail, aircraft, effective means must be taken to ensure the safety of passengers. According to the statistics of the International Civil Aviation Organization, more than 20,000 bird-strike aircraft incidents occur worldwide each year, most of which do not cause personal injury. Bird strike has become one of the biggest accident factors in the operation of aviation aircraft, posing a serious threat to flight safety. Therefore, in the design of high-speed rail, aircraft, the potential threat of stone, bird impact must be considered, and corresponding measures must be taken to enhance the resistance of the structure to bird impact, such as train head, aircraft nose, leading edge, etc. Anti-stone, bird impact design is required to ensure the structural integrity when impacted, thereby ensuring the operation safety.

[0003] The anti-impact design of the structure usually uses high-strength materials: that is, "hard against hard", which deals with the huge impact force generated by impact by improving the strength of the material. Or use energy-absorbing materials or structures to absorb and buffer the impact force to ensure that the main structure is not damaged. But these two methods have high requirements for materials, both light weight and high strength, which will be limited by material technology and cost. It is usually difficult to meet the requirements of structural anti-impact, lightweight and low cost at the same time. UTILITY MODEL CONTENT

[0004] The utility model aims to provide an anti-impact structure to solve the above-mentioned problems.

[0005] Technical scheme: an anti-impact structure, comprising: a corrugated sandwich anti-impact structure, and a reinforcing beam for supporting the corrugated sandwich anti-impact structure.

[0006] In further embodiments, the corrugated sandwich anti-impact structure and the reinforcing beam are provided with a plurality of reinforcing beams arranged in a cross-ordering manner at both ends of the corrugated sandwich anti-impact structure.

[0007] The corrugated sandwich anti-impact structure is composed of an upper panel, a lower panel and a corrugated sandwich structure; the corrugated sandwich structure is located between the upper panel and the lower panel.

[0008] In further embodiments, the corrugated sandwich structure adopts one of a tooth-shaped corrugated sandwich or a wave-shaped corrugated sandwich.

[0009] In further embodiments, the upper panel is a planar structure, the lower panel is a trapezoidal structure, and the upper panel and the lower panel form a structure for mounting the corrugated sandwich structure.

[0010] In further embodiments, when the corrugated sandwich anti-impact structure is impacted, the impact force received by the upper panel and the lower panel is dispersed to both sides, the corrugated sandwich structure peak decomposes impact energy, and the corrugation buffers and absorbs energy.

[0011] In further embodiments, the corrugated sandwich structure is made of a corrugated sandwich forming die, the corrugated sandwich forming die is composed of an upper die and a lower die, and the upper die and the lower die form a corrugated sandwich structure mold cavity.

[0012] The utility model adopts new design concept, with the energy dissipation instead of the energy confrontation, through the innovative structure to deal with the impact, decomposes the impact energy, and meets the requirements of the structure anti-impact and light weight simultaneously. Meanwhile, the low-cost manufacturing method is adopted, and the batch and low-cost manufacturing are facilitated. The utility model has the following beneficial effects:

[0013] 1. Through the corrugated sandwich structure design, the peak decomposes impact energy, the corrugation buffers and absorbs energy, and the requirements of the structure anti-impact are met;

[0014] 2. The upper and lower panels and the corrugated sandwich structure support each other, improve the overall rigidity, and reduce the structure weight;

[0015] 3. The panel is designed according to the structure requirement, meets the different part shape requirements, and is convenient to install;

[0016] 4. Modular design, convenient to install, and applicable to different size structures;

[0017] 5. Adopting pultrusion, molding, welding and other processes, the manufacturing cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the anti-impact structure schematic diagram of the utility model.

[0019] Figure 2 It is the corrugated sandwich structure schematic diagram of the utility model.

[0020] Figure 3 It is the tooth-shaped corrugated sandwich schematic diagram of the utility model.

[0021] Figure 4 It is the corrugated sandwich schematic diagram of the utility model.

[0022] Figure 5 It is the corrugated sandwich structure forming die of the utility model.

[0023] Figure 6 It is the anti-impact structure principle schematic diagram of the corrugated sandwich of the utility model.

[0024] Figure description: Corrugated sandwich impact-resistant structure 1. Upper panel 1.1, Lower panel 1.2, Corrugated sandwich (tooth-shaped) 2. Corrugated sandwich (wave shape) 2.1, Corrugated sandwich forming mold 3. Upper mold 3.1, Lower mold 3.2, Reinforcing beam 4. Bird body 5. Detailed Implementation

[0025] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0026] Example 1:

[0027] like Figure 1 As shown, an impact-resistant structure includes: a corrugated sandwich impact-resistant structure 1 and a reinforcing beam 4 for supporting the corrugated sandwich impact-resistant structure 1.

[0028] In one embodiment, such as Figures 1 to 6 As shown, both the corrugated sandwich anti-impact structure 1 and the reinforcing beam 4 are provided with a plurality of beams, and the reinforcing beam 4 is provided at both ends of the corrugated sandwich anti-impact structure 1 and arranged in a cross-arrangement manner.

[0029] The corrugated sandwich impact-resistant structure 1 consists of an upper panel 1.1, a lower panel 1.2, and a corrugated sandwich structure; the corrugated sandwich structure is located between the upper panel 1.1 and the lower panel 1.2.

[0030] In one embodiment, such as Figures 1 to 6 As shown, the corrugated sandwich structure adopts either a corrugated sandwich (tooth-shaped) 2 or a corrugated sandwich (waveform) 2.1.

[0031] In one embodiment, such as Figures 1 to 6 As shown, the upper panel 1.1 has a planar structure, and the lower panel 1.2 has a trapezoidal structure. The upper panel 1.1 and the lower panel 1.2 form a structure for mounting the corrugated sandwich structure.

[0032] In one embodiment, such as Figures 1 to 6 As shown, when the corrugated sandwich anti-impact structure 1 is impacted, the upper panel 1.1 and the lower panel 1.2 disperse the impact force to both sides. The corrugated sandwich structure decomposes the impact energy at the wave crests and the corrugations buffer and absorb the energy.

[0033] In one embodiment, such as Figures 1 to 6As shown, the corrugated sandwich structure is made of a corrugated sandwich forming die 3, which is composed of an upper die 3.1 and a lower die 3.2, and the upper die 3.1 and the lower die 3.2 form a corrugated sandwich structure cavity.

[0034] In one embodiment, as shown, the upper panel 1.1, the lower panel 1.2 and the corrugated sandwich structure are made of fiber-reinforced thermoset / thermoplastic materials and are made by pultrusion or molding. Figures 1 to 6

[0035] In one embodiment, as shown, the upper panel 1.1, the lower panel 1.2 and the corrugated sandwich structure are combined into an integral structure by hot pressing, gluing, welding process, reducing the manufacturing cost. Figures 1 to 6

[0036] In one embodiment, as shown, the upper panel 1.1, the lower panel 1.2 and the corrugated sandwich structure can be designed respectively, improving the overall stiffness and reducing the structure weight. Figures 1 to 6

[0037] In one embodiment, as shown, the corrugated sandwich structure cross section can adopt a tooth shape, a sinusoidal shape, etc. Figures 1 to 6

[0038] In one embodiment, as shown, the upper panel 1.1, the lower panel 1.2 and the corrugated sandwich structure are designed in cooperation, supporting each other. Figures 1 to 6

[0039] In one embodiment, as shown, the corrugated sandwich structure adopts a modular design, and is assembled into an integral structure by matching structures of different sizes through machining and a reinforcing beam 4. Figures 1 to 6

[0040] In one embodiment, as shown, the corrugated sandwich structure adopts a modular design, and is assembled into an integral structure by matching structures of different sizes through machining and a reinforcing beam 4. ​

[0041] Obviously, the above embodiments are only examples for the sake of clarity, and are not limited to the embodiments. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to exhaust all the embodiments. The obvious changes or variations derived therefrom are still within the protection scope of the present application.​​​​​​​

Claims

1. An impact-resistant structure, characterized in that, include: A corrugated sandwich impact-resistant structure, and a reinforcing beam for supporting the corrugated sandwich impact-resistant structure; Both the corrugated sandwich anti-impact structure and the reinforcing beams are provided in multiple quantities, and the reinforcing beams are provided at both ends of the corrugated sandwich anti-impact structure and arranged in a cross-sorting manner; The corrugated sandwich impact-resistant structure consists of an upper panel, a lower panel, and a corrugated sandwich structure; the corrugated sandwich structure is located between the upper panel and the lower panel.

2. The impact-resistant structure according to claim 1, characterized in that, The corrugated sandwich structure adopts either a toothed corrugated sandwich or a wave-shaped corrugated sandwich.

3. The impact-resistant structure according to claim 1, characterized in that, The upper panel has a planar structure, and the lower panel has a trapezoidal structure. The upper panel and the lower panel together form a structure for mounting the corrugated sandwich structure.

4. The impact-resistant structure according to claim 1, characterized in that, When the corrugated sandwich impact-resistant structure is impacted, the upper panel and the lower panel disperse the impact force to both sides. The corrugated sandwich structure decomposes the impact energy at the wave crests and the corrugations buffer and absorb the energy.

5. The impact-resistant structure according to claim 1, characterized in that, The corrugated sandwich structure is made by a corrugated sandwich molding mold, which consists of an upper mold and a lower mold, and the upper mold and the lower mold form a corrugated sandwich structure cavity.

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