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Title

The Investigations of Suspension Model and Its Experimental Characteristics for the Air Springs of Truck Trailer

Authors

[ 1 ] Instytut Mechaniki Stosowanej, Wydział Inżynierii Mechanicznej, Politechnika Poznańska | [ P ] employee | [ E ] pensioner

Scientific discipline (Law 2.0)

[2.8] Mechanical engineering

Year of publication

2020

Published in

Vibrations in Physical Systems

Journal year: 2020 | Journal volume: vol. 31 | Journal number: no. 2

Article type

scientific article

Publication language

english

Keywords
EN
  • air springs characteristics
  • damping elements of truck suspension
  • light truck trailer suspensions
  • suspension analysis of stanchion trailer
  • suspension research of light truck trailer
  • frame loads of air spring suspension
  • air spring experimental research
Abstract

EN Air springs applied as shock damping elements are often found in the design of variety modern truck and trailer suspensions. They can also be found as damping and stabilizing suspension elements in the passenger cars and other machines. The advantage of air springs, compared to steel coil springs or leaf springs, is a better damping quality in a wide range of frequencies. The air springs stiffness can be regulated according to the requirements and working conditions. The applied air springs also allow to stabilize the distance between the vehicle body and road level in function of loading. Some proposals of vehicle suspension models can be found in technical literature where the air spring is the main elastic subassembly. Mathematical model descriptions of the suspension with air spring for vehicles apply the thermodynamic laws and relationships between the mechanical forces of cooperating suspension elements, parts geometry (suspension arms), material stiffness (reinforced rubber) and other properties (damping).The results of own investigations on the suspension model of an air spring for cargo trailer have been taken into consideration in this paper. The presented suspension model was applied to design the frame construction of a light stanchion trailer where aerodynamic drag and construction mass were reduced. The suspension model of air springs for a trailer was applied for frame loads evaluation of the light trailer. It was also used for the strength analysis of the frame construction with the reduced mass. The estimated frame loads such as torque, normal forces and bending moments were used for strength estimation of the upgraded trailer frame.

Pages (from - to)

2020221-1 - 2020221-18

DOI

10.21008/j.0860-6897.2020.2.21

URL

https://vibsys.put.poznan.pl/_journal/2020-31-2/articles/vibsys_2020221.pdf

Comments

Article Number: 2020221

License type

CC BY (attribution alone)

Open Access Mode

open journal

Open Access Text Version

final published version

Date of Open Access to the publication

at the time of publication

Full text of article

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Access level to full text

public

Points of MNiSW / journal

40.0

Points of MNiSW / journal in years 2017-2021

70.0

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