Investigation of Dynamic Load in Superdeep Mine Hoisting Systems Induced by Drum Winding

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Item</td><td class="align_center">Notation</td><td class="align_center">Value</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Linear density of the rope</td><td class="align_center">Ρ</td><td class="align_center">21.4 kg/m</td></tr><tr><td class="align_left">Tensile stiffness of the rope</td><td class="align_center"><i>EA</i></td><td class="align_center">6.67310<sup>8</sup>N/m</td></tr><tr><td class="align_left">Hoisting mass</td><td class="align_center"><i>m</i><sub>s</sub></td><td class="align_center">60000 kg</td></tr><tr><td class="align_left">Longitudinal damping coefficient of the hoisting rope</td><td class="align_center"><i>C</i><sub>u</sub></td><td class="align_center">50</td></tr><tr><td class="align_left">Damping coefficient between the conveyance and the steel guide</td><td class="align_center"><i>C</i><sub>s</sub></td><td class="align_center">100</td></tr><tr><td class="align_left">Length of the catenary</td><td class="align_center"><i>L</i></td><td class="align_center">85 m</td></tr><tr><td class="align_left">Minimum length of the vertical rope</td><td class="align_center"><i>l</i><sub>min</sub></td><td class="align_center">20 m</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Hoisting parameters of a superdeep mine hoist.</div>

Shock and Vibration

tab2

Table 2

Table 2: Investigation of Dynamic Load in Superdeep Mine Hoisting Systems Induced by Drum Winding 