Dynamic analysis of parameters of front truck cabin suspension

Gorobtsov, A. S; Kartsov, S. K; Polyakov, Yu. A; Dyakov, Aleksey

doi:10.17816/2074-0530-67700

Cited by 1 publication

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“…Тàк, нàпример, äля рàсчетà нàãруçок, äействующих в шàрнирàх и силовûх свяçях -пружинàх, àмортиçàторàх, применяют приложения по рàсчету äинàмики тверäûх тел. Применение сложнûх мàтемàтических моäелей нà основе решения урàвнений äинàмики тверäûх тел поçволяет соçäàвàть комплекснûе моäели рàçличнûх àвтомобилей [1,2,3,4], которûе поçволяют учесть при моäелировàнии влияние рàботû рàçличнûх àãреãàтов и поäси-стем äруã нà äруãà, что çàтруäнено при испольçовàнии клàссических метоäов рàсчетов и проектировàния [5,6,7].…”

Section: Introductionunclassified

A virtual test bench for determining the loads in the air suspension of the rear trolley of a truck at the early stages of design

Максимов

Чичекин

2021

Izvestiya MGTU MAMI

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To determine the maximum loads acting in the rear air suspension of a truck at the early stages of design there was used computer modeling based on solving equations of dynamics of solids and implemented in the Recurdyn software. The components of the developed virtual test bench, includ-ing hinges, power connections, drive axles, a wheel-hub assembly with a wheel and a support plat-form, are considered in detail. The test bench is controlled using a mathematical model created in the environment for calculating the dynamics of rigid bodies and associated with a solid suspension model by standard software tools of the application. The test bench is controlled using a mathemati-cal model created in the environment for calculating the dynamics of rigid bodies and associated with a solid suspension model by standard software tools of the application. The use of such a test bench makes it possible to determine the loads in the hinges and power connections of the suspen-sion, to determine the mutual positions of the links for each load mode, to increase the accuracy of the calculation of loads in comparison with the flat kinematic and force calculation. The mathemati-cal model of the virtual test bench allows to carry out numerous parametric studies of the suspension without the involvement of expensive full-scale prototypes. This makes it possible at the early stages of design to determine all hazardous modes, select rational parameters of the elements, and reduce design costs. The paper shows the results of modeling the operation of a virtual test bench with an air suspen-sion in the most typical loading modes, identifying the most dangerous modes. The efficiency and adequacy of the mathematical model of the suspension was proved. Examples of determining the force in all the joints of the structure, the choice of maximum loads for design calculations when designing the air suspension of vehicle were shown.

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Section: Introductionunclassified