Lifting capacity enhancement of a crawler crane by improving stability
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Sardar Vallabhbhai National Institute of Technology, Department of Mechanical Engineering, Surat, Gujarat
S.D. Material Handlers Pvt. Ltd., Surat, Gujarat
Publication date: 2016-01-19
Journal of Theoretical and Applied Mechanics 2016;54(1):219-227
The lifting capacity of a crawler crane is limited by its stability and structural strength. This paper analyzes the stability factor by calculating tipping loads at various load radii for a particular boom length. It shows that the tipping load decreases with an increase in the load radius. A new structural frame is proposed to extend out the superstructure counterweight of the crane. With such a proposed arrangement, it is shown that the lifting capacity of the crane, limited by stability, increases. Static structural analysis of the proposed structural frame is performed using ANSYS workbench software.
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