| 摘要 |
The concrete feed system has a concrete distribution device (3) for connecting of a supply line (2) connected to a concrete pump (1) to at least one selected concrete feed line (4,5). The concrete distribution device has a change unit for the automatic change of the connection between the supply line and concrete feed lines. The change unit has a fixed support disc (8) with through-holes (9) and connections for the concrete feed lines, and a distribution disc (11) motor driven relative to the support disc and provided with an opening for aligning with the through-holes in the support disc.
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