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针对世界矿山市场激烈的技术竞争,提出了一种基于胀套联接的多绳摩擦式提升机主轴装置新结构,该结构通过胀套的胀紧功能,使电动机转矩经主轴、胀套传递到摩擦轮上,简化了主轴和摩擦轮的结构,减少了加工过程,降低了加工成本;以JKM-3.5×4型摩擦式提升机为例,对胀套进行了选型计算;最后进行了实际工作载荷下的有限元分析,得到胀套的最大应力为326 MPa,验证了新结构的可行性,进而为多绳摩擦式提升机提出了一种新型设计方法。
Aiming at the fierce technical competition in the global mining market, a new structure of multi-rope friction hoist spindle device based on expansion joint is proposed. The structure of the main shaft device of the hoisting joint is transmitted to the spindle through the expansion sleeve On the friction wheel, the structure of the main shaft and the friction wheel is simplified, the machining process is reduced, and the processing cost is reduced; the model JKM-3.5 × 4 friction elevator is taken as an example, and the selection of the expansion sleeve is carried out; finally, the actual Finite element analysis under working load shows that the maximum stress of the expansion sleeve is 326 MPa, which verifies the feasibility of the new structure. Then a new design method for multi-rope friction hoist is proposed.