Simulation of Roll-Over Protective Structure and Falling Object Protective Structure Tests on Heavy-Duty Mining Dump Truck

2014 ◽  
Vol 529 ◽  
pp. 188-192
Author(s):  
Xuan Zhao ◽  
Wen Ming Zhang ◽  
Jue Yang

For evaluating the safety of the 220t dump truck cab, the roll-over protective structure/falling object protective structure with welding frame made up square steel tube is tested. The finite element model of the frame is developed. The static loading and impact loading simulations are launched by ABAQUS with ISO standard methods. The results show that all parameters accord the requirement. The welding frame cab can survive and protect the operator in roll-over or falling situation. It is a feasible, economical and flexible scheme for heavy-duty dump truck.

2012 ◽  
Vol 619 ◽  
pp. 188-194
Author(s):  
Xiao Fei Li ◽  
Wen Bo Ni ◽  
Xue Mei Wang

Analyzing thermal load of friction pair of the disc brakes was not only an indispensable part but also a key theoretical basis for choosing materials of friction pair. In this paper, a brake disc of a mining dump truck with 220t loads was researched. In accordance with the brake test requirements of ISO3450-1996 standard, the finite element model was built using ANSYS software and then the transient simulation analysis of the temperature field for the brake disc was conducted. Finally the temperature distribution and its variation of the brake disc were analyzed in detail based on the simulation results.


2014 ◽  
Vol 707 ◽  
pp. 381-385
Author(s):  
Pei Ming Zhang ◽  
Qing Rong Zhang ◽  
Wei Chun Zhang

Mining Dump truck frame is a key part of the vehicle, in this paper the finite element model of the frame was built in UG software, and then the model was imported into ANSYS Workbench. The paper carried on the statics analysis of the frame under the bending and the torsion condition, and carried on modal analysis under a free state. Through the results of analysis, the design requirements such as the stress condition and each order natural frequency of the frame were verified.


2015 ◽  
Vol 733 ◽  
pp. 591-594
Author(s):  
Yong Zhen Zhu ◽  
Kuo Yang ◽  
Qi Yang ◽  
Yun De Zhao

The CAD software was used to establish 3D model of frame of dump truck, and the finite element model was established through Hyper Mesh. The stress distributions of the frame in vertical accelerating, turning, twisting and climbing conditions were computed through finite element software when the dump truck was loaded 80t. The result is consistent with the actual situation of the frame, which proved that the approach of finite element analysis is feasible. And we proposed the improved method of the frame according to finite element results.


2011 ◽  
Vol 317-319 ◽  
pp. 2373-2377
Author(s):  
Guo Juan Shang ◽  
Gen Li Shan ◽  
Xi Juan Qi

Based on sufficient market research, a new model of self-unloading semi-trailer, whose maximum loading capacity is 30 tons, has been designed. The paper describes its overall structure, the three-dimensional diorama model and the finite element model of the frame. Based on the analysis of the models and the results of the calculation, the parameters of the frame are optimized. The advantages of the new design are as follows: the new design makes the most of the advantages of self-unloading trailers and semi-trailers, that is, self-unloading, security, stability, high efficiency, environmental protection.


2010 ◽  
Vol 163-167 ◽  
pp. 2843-2847
Author(s):  
Li Xian Wang ◽  
Sheng Kui Di

Based on random vibration theory, virtual response is obtained from the measured acceleration signal of Yantan Yellow River Bridge of Lanzhou under ambient excitation, Yantan Yellow River bridge's modal parameters were identified by using the peak picking and stochastic subspace identification, analyzed from theoretical and experimental aspects, compared with the finite element model results and verified the reliability of recognition results. The identified dynamic properties can be served as the basis in the finite element model updating, damage detection, condition assessment and health monitoring of the bridge.


2013 ◽  
Vol 579-580 ◽  
pp. 405-410
Author(s):  
Jiao Long Liu ◽  
Xi Zhi Hu

This paper researched on the static and fatigue strength of a 220-ton mining dump truck steering knuckle by the method of reliability analysis, Monte Carlo and response surface. The geometrical model of the steering knuckle was established in CATIA and this model was imported into HyperMesh to obtain the finite element model of steering knuckle. With this finite element model the static strength of the knuckle was checked in the case of uneven road condition in ANSYS in order to acquire the stress nephogram and deformation map. Taking the random influential factors of the reliability into account, the reliability analysis file was compiled by the language of APDL. Then the static and fatigue strength analysis was executed by the method of Monte Carlo and response surface in the PDS module to obtain the statistical results of residual strength and fatigue life, the failure probability and reliability. Finally the quantitative calculation of the failure probability was achieved. In order to realize lightweight design and improve the economy, the knuckle was optimized in ensuring the premise of safety and reliability.


Author(s):  
Yao-Ji Deng ◽  
You-Qun Zhao ◽  
Han Xu ◽  
Ming-Min Zhu ◽  
Zhen Xiao

The tire/soil interaction is an important and complex research topic in vehicle-terrain mechanics, which has a great influence on vehicle mobility and soil compaction. The purpose of this work was to develop a detailed nonlinear finite element model for parametric analysis of the interaction between mechanical elastic wheel and the soil. The three-dimensional finite element model of the mechanical elastic wheel, which considers material nonlinearity, geometric nonlinearity, as well as large contact deformation between the mechanical elastic wheel and soil, was developed based on the physical model. The reliability and accuracy of the finite element model were validated by comparing the predicted wheel static loading characteristics in rigid plane with those of experiments. The finite element model of the soil is modeled as a two-layer system and the Extended Drucker–Prager model was used to describe the nature soil properties. The deformation and stress of the soil and mechanical elastic wheel under the static loading condition were studied in detail. Moreover, the effects of the axial load on mechanical elastic wheel/soil interaction were also analyzed. The research results could offer reference for an optimum structural design of a mechanical elastic wheel and a prediction of soil compaction caused by non-pneumatic tires.


2011 ◽  
Vol 138-139 ◽  
pp. 799-803
Author(s):  
Wang Qiang Xiao ◽  
Dong Ping Duan ◽  
He Chuan Bian ◽  
Wei Li ◽  
Le Deng

In this paper, the possibility of applying non-obstructive particle damping (NOPD) into the vibration attenuation for heavy-duty machine tool was analyzed and the experimental study on the characteristics of damping vibration attenuation was then carried out. First, the finite-element model for heavy planer type milling machine was built and then the stress state excited by the cutting force in the presence of the holes for filling particles located in the stand column was calculated. Secondly, based on the experiment, the acceleration time-domain waveform and the frequency response function (FRF) between NOPD application and the traditional solid cast-iron column of the planer type milling machine were obtained. Finally it is indicated that NOPD can effectively reduce the amplitude of vibration of heave-duty machine tool and has a good damping effect. Meanwhile, it has some additional effects, such as cost reduction, energy conservation and emission reduction.


2014 ◽  
Vol 578-579 ◽  
pp. 335-339 ◽  
Author(s):  
Guo Chang Li ◽  
Bing Zhou ◽  
Jiang Hua Pan

The new composite structure concrete-filled square steel tube (CFST) column with inner CFRP profiles is proposed. A finite element model is presented to investigate the mechanical behavior of CFST short columns with internal CFRP profiles subjected to axial compression using ABAQUS based on reasonable constitutive models of materials. In a addition, the content of CFRP profiles and width thickness ratio of steel tube’ effect are considered on mechanical properties of the column. Based on the model, the whole stage of axial compression of the short columns, failure mode and the stress mechanism of the ultimate bearing capacity state are calculated and analyzed.


2013 ◽  
Vol 652-654 ◽  
pp. 1984-1987
Author(s):  
Yu Hua Pang ◽  
Qi Sun ◽  
Lei Zhang ◽  
Dong Liu ◽  
Yan Hui Yang

This paper focuses on the extrusion process of powder/solid clad rods with the desired hole ratio in the center to reduce the weight. The finite-element model about a lot of deformation body extrusion was successfully demonstrated. Raw steel powder and steel tube were consisted as powder/solid rods. While the obvious plastic deformation proceeding in deformation region, the hole ratio clearly lessened, then a little rose apart from the deformation region. The deformation parameters were determined for the purpose to lesson the weight of the rod to about 15% hole ratio in powder deformation region. The extrusion experiment and the tensile property test proved that the integrative property improved while the weight was reduced. The clad rod can be utilized in the solid suck rods.


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