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Structure Research of 80t General-purpose Gondola Carbody

Author: HuangXiPing
Tutor: TianHongQi
School: Central South University
Course: Vehicle Operation Engineering
Keywords: Heavy transport Flatcar Static strength Optimization Fatigue strength
CLC: U272.2
Type: Master's thesis
Year: 2010
Downloads: 116
Quote: 3
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Abstract


Universal gondola is the main railway cargo transportation vehicles , reducing gondola vehicle weight , improve load will help improve transport efficiency and reduce transportation costs. In ensuring the body structure static strength, fatigue strength to meet the design requirements , while achieving lightweight vehicle structure is research. Thesis load 80t Universal gondola body for the study, carried out on the body structure design , in accordance with TB/T1335-1996 \various conditions of the body structure of the static strength analysis to find the strength of the body structure of the surplus of the site, to provide a basis for the optimal design . Using ANSYS Parametric Design Language (APDL) Gondola body established parametric model , respectively, as the design variables of different parameters are calculated by comparing the proposed main components to the thickness of the body , joint geometry and position parameters as design variables optimization. Lightest weight in the body as the objective function , taking into account multiple conditions, to ensure the body strength and stiffness of the premise, to achieve the body of structural optimization. The fatigue load conditions calculated by the finite element static stress combined with load spectra obtained stress spectrum . Based on Miner linear cumulative damage theory, \The results show that load 80t universal gondola body static strength and fatigue strength standards are met . Structure optimized body mass decreased by 10.9% , optimize the effect is obvious .

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CLC: > Transportation > Rail transport > Vehicle Engineering > Truck > Gondola
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