The Load Spectrum of Axial Bearing of Hydraulics Excavator with Shovel Attachment
Journal Title: Journal of Engineering Management and Systems Engineering - Year 2024, Vol 3, Issue 3
Abstract
A detailed investigation into the axial bearing load of the revolving platform in a hydraulic excavator equipped with a shovel attachment was presented in this study. A mathematical model was formulated to assess the forces acting on the bearing under various operational conditions. The analysis focuses on a 100,000 kg excavator with a 6.5 m³ bucket, examining the contributions of kinematic chains and drive mechanisms to axial loads. Simulations of multiple positions within the working range were carried out, calculating the load spectrum, including boundary resistance, to ensure machine stability. An optimization program was developed to refine the bearing selection process by identifying equivalent loads and moments. These calculations were benchmarked against manufacturer capacity diagrams, allowing for precise selection of appropriate bearing sizes. The findings underscore the critical role of accurate load calculations in enhancing the performance, reliability, and design optimization of hydraulic excavators. This approach provides engineers with a framework for selecting bearings that can withstand complex operational stresses, thereby improving the efficiency and longevity of hydraulic machinery.
Authors and Affiliations
Vesna Jovanović, Dragan Marinković, Nikola Petrović, Dubravko Stojanović
Keywords
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- EP ID EP752321
- DOI 10.56578/jemse030305
- Views 51
- Downloads 0
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