Research Article
Investigation of Dynamic Load in Superdeep Mine Hoisting Systems Induced by Drum Winding
Table 1
Motion parameters of a superdeep mine hoist.
| | Item | Notation | Value |
| | Diameter of hoisting rope | d | 76 mm | | Rated radius of drum and head sheave | R1 | 4 m | | Central angle corresponding to crossover region | β | 0.288 rad | | Number of coils per layer | N | 30 | | Winding angular acceleration | α1 | 0.1875 rad/s2 | | Winding angular deceleration | α2 | −0.1875 rad/s2 | | Uniform winding angular velocity | | 4.5 rad/s | | Time for winding acceleration | t1 | 24 s | | Time for uniform winding | t2 | 60 s | | Time for winding deceleration | t3 | 24 s |
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