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传统摩擦提升原理基于介质的输送,对于传动和应用范围存在一定限制。该文研究了一种具备自由端特性的柔性介质摩擦提升方式,实现了传动介质相对惯性参考系静止的情况下,负载与小型化的提升系统同时运动,拓展了摩擦提升系统的应用范围。基于Hertz接触理论,对柔性传动介质的力学特性进行理论分析,结合实验结果进行传动介质的模型构建,并针对该提升方式单圈与多圈情况分别建立了功耗计算模型。实验结果证明了该功耗计算模型有效。
Traditional friction-based lifting principle is based on the delivery of media, there are some limits for the transmission and application range. In this paper, a flexible medium friction lifting mode with free end characteristic is studied. With the relative inertial reference system of the transmission medium being stationary, the load and the miniaturized lifting system move at the same time, expanding the application scope of the friction lifting system. Based on Hertz contact theory, the mechanical properties of flexible transmission medium are theoretically analyzed, and the model of transmission medium is constructed based on the experimental results. A power consumption calculation model is established for single and multiple lays respectively. Experimental results show that the power calculation model is effective.