Investigation of Collision Behavior of Hoisting Catenaries during a Lifting Cycle in Coal Mines

Figure 5

Upward movement profile of the skip: (a) time-varying length of the vertical hoisting rope; (b) time-varying length of the hoisting tail rope; (c) hosting velocity; (d) hoisting acceleration. The seven stages are marked in (d).

(a)

(b)

(c)

(d)