| 摘要 |
In a pipe-cleaning system for sludge pumps, which comprises an importation station that is installed in a delivery line and has a movable component driven by an external drive for introducing a cleaning element into the delivery line, the safety means include, according to the invention, at least one switching element that registers the insertion or removal process and at least one switching means actuated by said switching element, said switching means preventing movement of the movable component by the external drive in the event of the at least one switching element being in a state or generating a signal representative of an insertion or removal process.
|
