Parallel type honeycomb material power absorber

A technology of honeycomb materials and energy absorbers, which is applied in the field of energy absorbers, can solve the problems of low energy absorption efficiency, unfavorable energy absorber lightweight and compact design, etc., and achieve the effect of improving load fluctuations

Inactive Publication Date: 2009-04-15
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a parallel honeycomb material energy absorber to solve the problem that the existing single hon

Method used

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  • Parallel type honeycomb material power absorber
  • Parallel type honeycomb material power absorber
  • Parallel type honeycomb material power absorber

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Experimental program
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specific Embodiment approach 1

[0007] Specific implementation mode one: combine Figure 1 ~ Figure 4 Describe this embodiment, the energy absorber of this embodiment includes a bottom plate 2; the energy absorber also includes at least two honeycomb material columns 1; the at least two honeycomb material columns 1 are arranged side by side and fixed on the bottom plate 2 (using adhesive connection mode), two adjacent honeycomb material columns 1 are close to each other and fixed (bonded), the size of the honeycomb cells 1-1 on the same honeycomb material column 1 is the same, and the honeycomb cells of each honeycomb material column 1 The shape of the unit 1-1 is a regular hexagon, the difference between the side lengths of the honeycomb unit 1-1 of two adjacent honeycomb material columns 1 is greater than or equal to zero, the The difference in thickness is greater than or equal to zero.

[0008] The setting method of two adjacent honeycomb material columns 1 adopts any one of the following three combinat...

specific Embodiment approach 2

[0009] Embodiment 2: The number of honeycomb material columns 1 in this embodiment is 2-10, which can meet the needs of different structural fields. Other components and connections are the same as those in the first embodiment.

specific Embodiment approach 3

[0010] Specific implementation mode three: combination figure 1 The present embodiment will be described. The upper end surfaces of the 2 to 10 honeycomb material columns 1 described in the present embodiment are flush. Other components and connections are the same as those in the second embodiment.

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Abstract

The invention discloses a parallel cellular material power absorber, which relates to a power absorber and aims at the problems of the existing single cellular material power absorber that the power absorption efficiency is low and the light-weight and compact design of the power absorber is not easy. The proposal 1 of the invention is as follows: at least two cellular material columns are arranged in parallel and fixed on a bottom plate, two adjacent cellular material columns are contacted and fixedly connected with each other, cellular cell elements on the same cellular material column have the same size, the cellular cell elements on each cellular material column take the shape of a regular hexagon, and the side length difference and the thickness difference of the cellular cell elements on the two adjacent cellular material columns are all equal to or more than 0; and the proposal 2 of the invention is: at least two pre-compressed cellular material columns are arranged in parallel and fixed on the bottom plate, two adjacent pre-compressed cellular material columns are contacted and fixedly connected with each other, and the side length difference and the thickness difference of the cellular cell elements on the two adjacent pre-compressed cellular material columns are all equal to or more than 0. The power absorber has simple structure, light weight, small load fluctuation and high power absorption efficiency, and can be applied to the fields of anti-collision structures of trains, cars and the like and legged landing detectors.

Description

technical field [0001] The invention relates to an energy absorber. Background technique [0002] Honeycomb material is a two-dimensional cellular material, which has the advantages of low density, low stiffness, large compression deformation capacity, and controllable deformation. Application prospect. The honeycomb structure energy absorber can be applied in the landing buffer device of the planetary exploration lander to absorb the impact energy when the soft landing device lands. It has a simple structure, light weight and is easy to realize. However, for the single honeycomb material energy absorber, its shortcoming is that in the working process, the initial peak load is much greater than the average load of the honeycomb material during the working process, resulting in low energy absorption efficiency of the single honeycomb material energy absorber, not It is beneficial to the lightweight and compact design of the energy absorber. Contents of the invention [0...

Claims

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Application Information

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IPC IPC(8): B64G1/62B60R19/03B61G11/00
Inventor 刘荣强邓宗全罗昌杰周安亮李萌
Owner HARBIN INST OF TECH
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