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A Honeycomb Structure and Design Method for Improving Structural Strength

A technology of honeycomb structure and structural strength, applied in the direction of springs, can solve the problems such as difficult to effectively improve the energy absorption capacity, achieve the effect of improving the structural strength in the coplanar direction, improving the structural strength in the coplanar direction, and improving the buffering energy absorption capacity

Active Publication Date: 2019-10-08
李萌
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the traditional honeycomb structure is usually a flat regular hexagonal honeycomb structure, and its structural strength and effective working stroke are closely related to the structural parameters. It is difficult to effectively improve the energy absorption capacity without changing the structural parameters.

Method used

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  • A Honeycomb Structure and Design Method for Improving Structural Strength
  • A Honeycomb Structure and Design Method for Improving Structural Strength
  • A Honeycomb Structure and Design Method for Improving Structural Strength

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Take the side length of the honeycomb cell l 6mm, w 6mm, thickness t 0.04mm, cell angle α is 30°, and the envelope size of the honeycomb structure is 67mmX68mmX48mm. Establish coordinate system 1, take the different plane direction of the honeycomb structure as the Z-axis direction of the coordinate system, select the plane where the top of the honeycomb is located as the XY plane, select any side length direction of the honeycomb cell unit as the X-axis direction, and determine the Y-axis direction according to the right-hand rule; The honeycomb is folded twice along different planes. After the first fold, the angle between the honeycomb structure in the folded area and the XZ plane direction is 10°, and the angle between the YZ plane direction is 30°. The height of the honeycomb folded for the first time is 3mm; The direction of the second folding is opposite to that of the first folding. After the same folding, the angle between the honeycomb structure in the fold...

Embodiment 2

[0043] Take the side length of the honeycomb cell l 6mm, w 6mm, thickness t 0.04mm, cell angle α is 30°, and the size of the honeycomb structure cell network is 68mmX69mmX48mm. Establish coordinate system 1, take the different plane direction of the honeycomb structure as the Z-axis direction of the coordinate system, select the plane where the top of the honeycomb is located as the XY plane, select any side length direction of the honeycomb cell unit as the X-axis direction, and determine the Y-axis direction according to the right-hand rule; The honeycomb is folded twice in different directions. After the first folding, the angle between the honeycomb structure in the folded area and the XZ plane direction is 18°, and the angle between the YZ plane direction is 30°. The height of the first folded honeycomb is 3mm. The direction of the second folding is opposite to that of the first folding. After the same folding, the angle between the honeycomb structure in the folded ar...

Embodiment 3

[0046] Take the side length of the honeycomb cell l 6mm, w 6mm, thickness t 0.04mm, cell angle α is 30°, and the size of the honeycomb structure cell network is 68mmX69mmX48mm. Establish coordinate system 1, take the direction of the different planes of the honeycomb structure as the Z-axis direction of the coordinate system, select the plane where the top surface of the honeycomb is located as the XY plane, select any side length direction of the honeycomb cell as the X-axis direction, and determine the Y-axis direction according to the right-hand rule ; Fold the honeycomb twice along different planes. After the first fold, the angle between the honeycomb structure in the folded area and the XZ plane direction is 22°, and the angle between the YZ plane direction is 44°. The height of the first folded honeycomb is 3mm. The direction of the second folding is opposite to that of the first folding. After the same folding, the angle between the honeycomb structure in the folded...

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Abstract

The invention relates to a honeycomb structure. The honeycomb structure is formed by honeycomb unit cell arrays in a periodic folding manner. The structural strength of the honeycomb structure in the coplanar direction can be improved through the periodic folding. when the honeycomb structure is used as a buffer energy suction structure, the energy suction capacity of the honeycomb structure can be improved, and meanwhile, the honeycomb structure has the approximate isotropy characteristic; two-time folding is conducted on honeycomb unit cells in each folding period, the primary folding direction is arbitrary, the secondary folding direction is opposite to the primary folding direction, the included angle of the surfaces of the folded honeycomb unit cells and the surfaces of unfolded honeycomb unit cells is in the range of 10-34 degrees, series connection is conducted on the periodic folding honeycomb unit cells in the directions of different planes, arraying is conducted in the coplanar direction after connection, and the structural strength of the honeycomb structure in the coplanar direction can be improved effectively.

Description

technical field [0001] The invention relates to a honeycomb structure with improved structural strength and a design method, which can be used as a supporting functional structure in the fields of packaging engineering, vehicle passive safety protection, planet detection and landing buffer, and construction industry. Background technique [0002] As an excellent and environmentally friendly buffer material and support structure, the honeycomb structure has the advantages of no pollution, low cost, good elasticity, and large load-bearing capacity. Low mass absorbs large impact force. It is a transportation packaging material and cushioning energy-absorbing material with great development space. It occupies an important position in transportation packaging and passive safety protection. At the same time, due to its high structural strength and light weight, it is widely used in the construction industry are often used as support structures. [0003] Structural strength is an ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16F1/377
Inventor 李萌
Owner 李萌
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