Thin-walled multicellular filled energy-absorbing structures and calculation method of average compressive force of energy-absorbing structures

An energy-absorbing structure and calculation method technology, which is applied in complex mathematical operations, railway car body parts, transportation and packaging, etc., can solve problems such as large initial peak force, weak lateral load, and small energy absorption of energy absorbers, and achieve Small initial peak force, reduced weight, and high energy absorption

Active Publication Date: 2020-11-27
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems of low energy absorption, large initial peak force and weak lateral load of the energy absorber in the prior art, the present invention needs to provide a flexible rope-driven elbow-joint exoskeleton robot with a compensating device

Method used

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  • Thin-walled multicellular filled energy-absorbing structures and calculation method of average compressive force of energy-absorbing structures
  • Thin-walled multicellular filled energy-absorbing structures and calculation method of average compressive force of energy-absorbing structures
  • Thin-walled multicellular filled energy-absorbing structures and calculation method of average compressive force of energy-absorbing structures

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specific Embodiment approach 1

[0025] Specific implementation mode one: combine Figure 1-Figure 7 This embodiment is described. The thin-walled multicellular filled energy-absorbing structure in this embodiment includes an upper cover plate 1, a lower cover plate 3, a tube body 2 with a gradient thickness, a plurality of honeycomb blocks 4 and a plurality of foam filling body 5, a partition plate is installed in the tube body 2 with a gradient thickness, and the tube body 2 with a gradient thickness is divided into multiple spaces by the partition plate, and a plurality of honeycomb blocks 4 are installed in In a part of the space of the pipe body 2 with a gradient thickness, a plurality of foam fillers 5 are installed in another part of the space of the pipe body 2 with a gradient thickness, and the upper cover plate 1 is installed on one end of the pipe body 2 with a gradient thickness, and the lower The cover plate 3 is mounted on the other end of the tubular body 2 with a gradient thickness.

[0026] ...

specific Embodiment approach 2

[0027] Specific implementation mode two: combination Figure 5-Figure 7 Describe this embodiment, the thin-walled multicellular filled energy-absorbing structure described in this embodiment, the tubular body 2 with a gradient thickness includes a first shell, a second shell, a third shell and a fourth shell, the fourth shell The shell, the third shell and the second shell are sequentially fitted in the first shell from the outside to the inside, and the first shell, the second shell, the third shell and the fourth shell are arranged coaxially and integrally, the first The length of the housing is greater than that of the second housing, the length of the second housing is greater than the length of the third housing, and the length of the third housing is greater than that of the fourth housing. The shape of the pipe body 2 is arranged in a stepped shape with a stepped thickness. The stiffness of the overall section of the structure increases along the direction of axial com...

specific Embodiment approach 3

[0028] Specific implementation mode three: combination Figure 4 Describe this embodiment, the thin-walled multicellular filled energy-absorbing structure of this embodiment also includes a plurality of partitions 6, and at least two partitions 6 are set on each honeycomb block 4, and the side of each honeycomb block 4 The distance to the inner wall of the pipe body 2 or the partition plate with a gradient thickness is 10mm. In order to reduce the influence of the pipe wall of the pipe body 2 on the honeycomb block 4, the honeycomb block 4 is made of honeycomb aluminum material, and other methods are the same as in the first embodiment.

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Abstract

The invention discloses a thin-wall multi-cell filling energy absorption structure and an energy absorption structure average compression force calculation method, and relates to an energy absorptionstructure. In the prior art, the problems of small energy absorption capacity, large initial peak force and weak lateral bearing of an energy absorber are solved. The thin-wall multi-cell filling energy absorption structure comprises an upper cover plate, a lower cover plate, a thickness pipe body with gradient, a plurality of honeycomb blocks and a plurality of foam filling bodies, partition plates are arranged in the thickness pipe body with the gradient, the thickness pipe body with the gradient is divided into a plurality of spaces through the partition plates, the honeycomb blocks are installed in a part of space of the thickness pipe body with the gradient, the foam filling bodies are installed in the other part of space of the thickness pipe body with the gradient, the upper cover plate is installed at one end of the thickness pipe body with the gradient, and the lower cover plate is installed at the other end of the thickness pipe body with the gradient.

Description

technical field [0001] The invention relates to an energy-absorbing structure, in particular to a thin-walled multicellular filled energy-absorbing structure and a calculation method for the average compression force of the energy-absorbing structure, belonging to the field of energy-absorbing protection. Background technique [0002] With the rapid development of science and technology, the transportation industry represented by high-speed rail trains has made unprecedented progress, which provides great convenience for people's travel and life. However, with the increase in the number and speed of vehicles, traffic accidents The frequency of occurrence has also increased greatly, and the loss of life and property caused thereby is also huge. Traffic vehicle operation safety protection is divided into active safety protection and passive safety protection. Active safety protection mainly refers to various protective measures taken during normal train operation and before t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B61F19/04G06F17/15
CPCB61F19/04G06F17/15
Inventor 刘荣强王晨邓宗全黄江平孙朋
Owner HARBIN INST OF TECH
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