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Justification of the principles of improvement elastic devices

Obosnovanie principov usovershenstvovanija uprugih ustrojstv
Authors: Mykhailo Sukach;

Justification of the principles of improvement elastic devices

Abstract

Амортизационные подвески занимают в ба-лансе масс современных транспортных средств весьма значительную долю, состав-ляющую от 8 до 12 % общей снаряженной массы. Их надежность и долговечность определяют эксплуатационную надежность и эффективность использования транспортного средства, а упругие характеристики подвесок существенно влияют на комфортность ис-пользования средства передвижения и допу-стимые по дорожным условиям скорости движения. Все это особенно важно для автомобилей, независимо от их типа. Большинство совре-менных грузовых автомобилей использует в своих амортизационных подвесках упругие устройства, выполненные в виде пакетов многолистовых рессор. Такие рессоры весь-ма материалоемкие и трудоемкие в изготов-лении. Большие возможности в снижении мате-риалоемкости амортизационных подвесок, уменьшений трудоемкости их изготовления и особенно сборки открывает применение нового типа упругих устройств − скобовид-ных пластинчатых рессор (СПР), предло-женных в Киевском национальном универси-тете строительства и архитектуры. Целью настоящей работы является иссле-дование возможности усовершенствования эластичной подвески кабины автомобиля пу-тем применения скобовидных пластинчатых рессор. Задача исследования − разработка рекомендаций по усовершенствованию этой подвески и экспериментальная проверка воз-можности реализации сформулированных рекомендаций. Обоснованы преимущества применения нового вида упругой подвески, которые за-ключаются в наиболее полном использова-нии несущей способности материала, кон-структивной простоте и наименьшей массе. Этим условиям отвечает запатентованная скобовидная пластинчатая рессора, скон-струированная как балка равного сопротив-ления. Преимущества заключаются в том, что в каждом рабочем сечении изгиб проис-ходит в плоскости ее наибольшей жесткости, деформация вдоль линии действия внешней силы достаточна для поглощения заданной энергии, а максимальное эквивалентное напряжение в каждом рабочем сечении равно или близко к допускаемому.

Amortization hanger occupy a very significant proportion in the mass balance of modern vehicles, comprising 8…12% of the total curb weight. Their reliability and durability determine the operational reliability and efficiency of vehicle use, and the elastic characteristics of the hanger significantly affect the comfort of using the vehicle and the road speed conditions that are acceptable for road conditions.All this is especially important for cars, regardless of their type. Most modern trucks use elastic devices in their hanger cushions, made in the form of packages of multi-sheet springs. Such springs are very material-intensive and labor-intensive in manufacturing.Great opportunities in reducing the material consumption of amortization pendants, reducing the labor intensity of their manufacture and especially the assembly opens with the use of a new type of elastic devices − the bracket-shaped leaf springs (BLS), proposed at the Kiev National University of Construction and Architecture.The purpose of this work is to investigate the possibility of improving the elastic hanger of the car's cabin by using clamp-shaped leaf springs. The task of the study is to develop recommendations for improving this hanger and to test experimentally the feasibility of implementing the formulated recommendations.The advantages of using a new type of elastic suspension are substantiated, which consist in the fullest use of the bearing capacity of the material, constructive simplicity and the smallest mass.These conditions are met by a patented, bracket-shaped leaf spring, designed as a beam of equal resistance. The advantages lie in the fact that in each working section the bending occurs in the plane of its greatest rigidity, the deformation along the line of action of the external force is sufficient to absorb the given energy, and the maximum equivalent stress in each working section is equal to or close to the allowable one.

Keywords

spring, Амортизационная подвеска, рессора, amortization hanger, elastic devices, упругие устройства, транспортные средства, material consumption, deformation, материалоемкость, деформация, vehicles

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
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