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Analysis of asymmetrical effect of tension forces in conveyor belt on the idler roll contact forces in the idler housing

机译：传送带张力对惰轮箱中惰轮辊接触力的不对称影响分析

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摘要

This paper analyses an impact of asymmetrical tension forces, which are occurring in the conveyor belt, on the contact forces in the guiding idlers. It describes causes of an increased wear-out of the conveyor belts due to an asymmetric tensioning of the transport belt. There were investigated five measuring points loaded with a symmetrical and asymmetrical tensioning of a specimen section of the pipe conveyor transport belt, using the Friedman test for the factor of asymmetry. The tension force determines also changes of the contact force layouts in the individually investigated idler rolls. A newly developed method was applied in order to identify states of the particular experimental phases for the process of the transport belt tensioning and relaxation. This method is based on differences of the contact force time behaviours. It is possible to present a hypothesis, taking into consideration the obtained results that a side slipping of the running conveyor belt is caused by the tension force asymmetry also on the real operational conditions.
机译：本文分析了传送带中出现的不对称张力对导向惰轮中接触力的影响。它描述了由于输送带的不对称张紧而导致输送带磨损增加的原因。使用弗里德曼检验作为不对称因素，对五个测量点进行了调查，这些点对管道输送机输送带的试样部分进行对称和非对称张紧。张紧力还确定了单独检查的惰辊中接触力布局的变化。应用了一种新开发的方法，以便确定运输皮带张紧和松弛过程的特定实验阶段的状态。该方法基于接触力时间行为的差异。考虑到所获得的结果，也可以提出一个假设，即在实际操作条件下，行进的传送带的侧滑也是由张力不对称引起的。

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