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描述了降低输送带安全系数的意义和必要性,对国内外输送带安全系数的选取现状及发展情况进行了简单阐述;介绍了以往和现行标准对输送带安全系数选取的相关规定;对新型PVD系统的组成和优点进行了简单说明;分析了PVD系统对输送带安全系数选取的影响,给出了PVD系统下输送带安全系数选取的参考值。
Describes the significance and necessity of reducing the safety factor of the conveyor belt, briefly introduces the current situation and development of the safety factor selection of the conveyor belt at home and abroad, introduces the relevant provisions on the safety factor selection of the conveyor belt based on past and current standards, The composition and the advantages of the system are described briefly. The influence of the PVD system on the selection of the conveyor belt safety factor is analyzed. The reference value of the conveyor belt safety factor selection under the PVD system is given.