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Normal Force and Sag Resistance of pipe conveyor

Chinese Journal of Mechanical Engineering 2020年第3期33卷 60-71页

作者： Shuaiping Guo Wei Huang Xuejun Li Engineering Research Center of Advanced Mining Equipment Ministry of Education Hunan University of Science and TechnologyXiangtan 411201China Jiangsu Key Laboratory of Mine Mechanical and Electrical Equipment China University of Mining and TechnologyXuzhou 221116China.

pipe belt conveyor is a new type of environmentally friendly and efficient bulk conveying *** the design of the roller,the belt and the driving motor of pipe belt conveyor,the sag resistance is a key ***,the normal force between the conveyor belt and the roller group is the other important factor need be considered and has a great influence on the sag *** paper analyzes a pipe belt conveyor with a diameter of 150 mm to study the calculation method of normal *** the relationship between the normal force and the sag resistance is ***,the normal force is decomposed into three components related to the forming force of belt,material gravity and belt *** it can be expressed as a linear combination of these three quantities,and the coefficients of each component are obtained based on the dynamic analysis of *** results show that the coefficient is mainly affected by the material filling rate,and is almost not affected by the distance between the rollers and the density of the *** calculation method of the normal force is eventually ***,the normal force in the case of different material filling rates is tested by experiments,and the calculation method of the normal force is ***,the variation law of the sag resistance in the case of different roller group spacing and material filling rate is studied by the dynamic *** is found that the roller group spacing and material filling rate affects the sag resistance by changing the normal *** is a power function relationship between the sag resistance and the normal *** the case of different roller group spacing and material filling rate,the relationship among the sag resistance and the normal force remains *** study results are of great significance to the design of pipe belt conveyor.

关键词： pipe conveyor FEM Normal force Sag resistance

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