Buffering, damping and energy-absorbing structure with negative Poisson's ratio effect

A technology of negative Poisson's ratio and energy-absorbing structure, applied in the direction of shock absorber, spring/shock absorber, shock absorber, etc., can solve the problems of poor energy absorption efficiency, high use cost, difficult to replace, etc., and reach the application scope Wide range of flexibility, good protection, good energy absorption effect

Active Publication Date: 2022-06-07
HENAN POLYTECHNIC UNIV
View PDF7 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Disc springs, leaf springs and other parts with buffering and energy-absorbing functions can absorb energy and alleviate impacts, but they have a single structure, poor energy-absorbing efficiency and are easily damaged; although some buffering and anti-collision structures have improved energy-absorbing efficiency, their structures are too large. Complicated, and the material is not easy to replace after damage, resulting in high cost of use

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Buffering, damping and energy-absorbing structure with negative Poisson's ratio effect
  • Buffering, damping and energy-absorbing structure with negative Poisson's ratio effect
  • Buffering, damping and energy-absorbing structure with negative Poisson's ratio effect

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0044] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0045] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0046] It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a buffering, damping and energy-absorbing structure with a negative Poisson's ratio effect. The buffering, damping and energy-absorbing structure comprises a first-layer force flow concentration structure, a second-layer buffering transverse impact structure and a third-layer buffering longitudinal impact mechanism. The first-layer force flow concentration structure is a negative Poisson's ratio component with a folding trend, a descending piece is arranged below the first-layer force flow concentration structure, and the descending piece changes the direction of force and transmits the force downwards to the two sides at the same time; the second-layer transverse impact buffering structure comprises bearing pieces and second-stage transverse buffering pieces located on the outer sides of the bearing pieces, the two bearing pieces are oppositely arranged and matched with the descending piece, and when the descending piece descends, the two bearing pieces translate in the transverse direction to convert longitudinal impact into transverse impact, and the second-stage transverse buffering pieces conduct buffering, damping and energy absorption; the third-layer buffering longitudinal impact mechanism is detachably arranged below the second-layer buffering transverse impact structure, and the third-layer buffering longitudinal impact mechanism is provided with a third-stage buffering shock absorption and energy absorption structure to absorb longitudinal residual impact energy of the second-layer buffering transverse impact structure.

Description

technical field [0001] The invention belongs to the technical field of buffering, energy-absorbing and anti-collision, and in particular relates to a buffering, shock-absorbing and energy-absorbing structure with a negative Poisson's ratio effect. Background technique [0002] Disc springs, leaf springs and other parts with buffering and energy-absorbing functions can absorb energy and alleviate impacts, but they have a single structure, poor energy-absorbing efficiency and are easily damaged; although some buffering and anti-collision structures have improved energy-absorbing efficiency, their structures are too large. It is complicated, and the material is not easy to replace after damage, resulting in high cost of use. [0003] Porous ceramic buffer material 33 is cheap and has good energy absorption effect, because the inner porous skeleton of the extruded porous ceramic material will break and the interior will rub against each other after the skeleton is broken, so tha...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): F16F7/00F16F7/12F16F3/00F16F3/02
CPCF16F7/00F16F7/003F16F7/121F16F3/02Y02A30/30
Inventor 黄丹陈旭园赵武
Owner HENAN POLYTECHNIC UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products