Vibration and Dynamic Response of Buffering Devices during the Vertical Feeding of Coal Mine Solid Backfill Materials

Figure 11

Order mode of the buffering device: (a) first-order mode shape; (b) second-order mode shape; (c) third-order mode shape; (d) fourth-order mode shape; (e) fifth-order mode shape; (f) sixth-order mode shape; (g) seventh-order mode shape; (h) eighth-order mode shape.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)