Strategy for Determining Analysis Working Conditions of Hydraulic Excavator

Qing Ying Qiu; Zhen Kai Wei; Bing Li; Yu Gao; Pei En Feng; Jian Wu; Xiao Qing Wang

doi:10.4028/www.scientific.net/AMR.838-841.487

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 838-841Strategy for Determining Analysis Working...

Strategy for Determining Analysis Working Conditions of Hydraulic Excavator

Abstract:

It was incomplete and may have missed some dangerous working conditions to select several typical working conditions only in traditional strength analysis of hydraulic excavator. Therefore, the paper proposes a strategy that takes the working conditions when the load at each hinge of working device reaches largest into account. The working device of a 21t hydraulic excavator was analyzed with finite element analysis method when comparing these working conditions with the traditional typical ones. The results come out that the largest stress of boom, arm and bucket under these conditions increased respectively by 4.6%, 5.6% and 19.1% compared with the traditional most dangerous conditions. Consequently, in addition to the traditional typical conditions, it will be more safe and reliable to analyze the strength with the largest hinge loads conditions.

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Periodical:

Advanced Materials Research (Volumes 838-841)

Pages:

487-493

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.838-841.487

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Online since:

November 2013

Authors:

Qing Ying Qiu*, Zhen Kai Wei, Bing Li, Yu Gao, Pei En Feng, Jian Wu, Xiao Qing Wang

Keywords:

Dangerous Conditions, Finite Element Analysis (FEA), Hinge Load, Hydraulic Excavator

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* - Corresponding Author

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