This paper analyzes each case of hoisting overwind, gives proper fix situation of the overwind buffer in overwind height and computing methods of the cushioning force for the buffer.
对提升容器过卷的各种情况进行了分析 ，提出了在过卷高度内 ，过卷缓冲装置的合理安装位置及缓冲力的确定方法。
According to the concerned rules in "safety regulations of Coal mine" author derived formulae to determine the overwind height, so a theoretical basis for mine hoist design was provided.
目前各种资料对此均无明确规定，作者根据《煤矿安全规程》的有关规定，导出了过卷高度的计算公式，为矿井提升机设计提供理论依据。
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