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本文介绍了我国第一台围包角540°多绳摩擦式升降机采用大围包角双主导轮提升方式所解决的问题,围包角为540°双容器多绳升降机的设计、负载试验情况及其主要技术经济效果和利弊分析,
This paper introduces the problems that the first wraparound angle 540 ° multi-rope friction hoist in China adopts the double main idler pulley lifting method and the design and load test of the double container multi-rope hoist with a wrap angle of 540 ° The main technical and economic effects and advantages and disadvantages of analysis,