Research On Steel Cord Conveyor Belt On Finite Element Method In Nonuniform Stressed Section

Conveyor belt is a vital component for belt conveyor. The belt can cost more than one thrid of the total conveyor investment. The belt will emerge deformation in the whole transfor process, such as convex curved section, concave curved section, transition section and turnover section and so on. The deformation is more serious in ransition section and turnover section. The deformation make stress in width driection to redistribute. It very easy to cause tear in the edge of the belt and wrinkle in the central of belt. Getting the tension distribution in belt width through analysis the belt in transition section and turnover section can provide certain theoretical reference for the design and research of the conveyor belt joint. It has a great significance in choicing conveyor belt reasonably, reducing belt coefficient, lowering the cost of the belt conveyor and reducing energy consumption.Using finite element software ANSYS to establish the finite element model of steel cord conveyor belt. Select two-parameter Mooney-Rivlin model in butter element due to this model can accurately simulates rubber material when the elongation less than100%. Wire cable choose SOLID185element. Through the definition and set the control of the contact node, to realize the rigid plane (roller) turns. Definition and control MPC184unit, to realize the conveyor belt turnover. Finally achieveing the belt’s deformation in the trasition section and turnover section. The analytical results coincided to the actual conditions very well. The error is within permitted.Getting the tension distribution in belt width direction through analyzing the belt in trasition section using finite element method. The tension distribution in transition section present a trough shapes. The belt’s tension on either side roller present a tiny hollow distribution. The belt’s tension in the middle of the roller present a small arc distribution. The belt tension get minimum value in the place of the end of the middle roller. The belt tension get the maximum value in the edge of the belt.Getting the tension distribution in belt width direction through analyzing the belt in turnover section using finite element method. The tension distribution in transition section present inclined hollow parabolic shapes. The belt tension get the large maximum value in the lower edge of the belt and get the small maximum value in the upper edge of the belt. The belt tension get the minimum value in middle of belt near the upper edge.