Optimization and Experimental Research on Vertical Section of Pipe Belt Conveyor
Due to the material extrusion of the vertical section and the supporting force of roller groups of pipe belt conveyor, the periodic wave deformation of conveyor belt was undergoing between the supporting rollers in the vertical lifting process, with the complex change of belt bending stress. In this paper, the bending stress of vertical section of pipe belt conveyor was studied. And the calculation formula of the relationship between the belt bending strain and the roller spacing in vertical section was deduced from the vertical pipe belt bending model, which considered the wave deformation condition in actually. Moreover a testing apparatus with the adjustable rollers spacing was designed for the verification experiment. And the results showed that the theoretical calculation was consistent with the experiments. Therefore, under the certain design conditions, the layout of supporting roller groups of pipe conveyor could be optimized and determined by calculating the appropriate rollers spacing ratio C, to improve the belt stress of vertical section, the service life and reliability of the pipe belt conveyor.