The Paper deduces the calculating formula for interference force between hoisting ropes in double-layer winding and gives the calculating results of an example.
推导出双层缠绕时提升钢丝绳咬绳力的计算公式，给出一个实例计算结果。
Double step drum is an integral drum with stepwise flanges and double step sections. It allows the multiple layer rope winding in non-operating portion of luffing mechanism to make drum shorter.
双阶梯卷筒是一种带有阶梯法兰盘和双阶梯截面的综合式卷筒，可在变幅机构的非工作区段使钢丝绳多层卷绕，以缩短卷筒长度；
In this paper set forth the method of symmetric design for three-phase double layer asymmetric fractional slot winding.
阐述不对称三相双层分数槽绕组的对称化设计方法。
In this paper set forth the method of symmetric design for three-phase double layer asymmetric fractional slot winding.
阐述不对称三相双层分数槽绕组的对称化设计方法。
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