| 摘要 |
<p>The invention relates to a rolling body for cleaning interior wall areas of a rotary drum. Said rolling body (20) has single or multiple sections (21, 22) and has at least two cleaning zones comprising the shell surfaces (21A, 21B, 21C, 21C', 21C'', 21F, 22B) which are inclined at an angle to each other when seen from the direction of the axis (10A) of said rotary drum (10). Said single- or multi-sectioned rolling body (20, 21, 22) has a fixing device located on the front-end facing the drum entrance, said fixing device being directly or indirectly equipped with a hinge joint connection, which enables said rolling body to be fixed to an assembly of the rotary drum head, especially an assembly which does not rotate, or a lid (16).</p> |
