| 摘要 |
Apparatus for removing concrete from the interior surfaces of a concrete mixing drum, the drum including an open end and at least one interior surface facing away from or opposite the open end, the apparatus including an elongate probe having a longitudinal axis and an axially extending forward end adapted for insertion into the drum through the open end thereof; a vertically adjustable support structure supporting a guideway support, the guideway support including at least one bearing adapted for supporting the probe for movement of the forward end thereof into and out of the drum through the open end thereof; and at least one fluid nozzle mounted to the probe in position for discharging a stream of fluid against the at least one interior surface facing opposite the open end under sufficient pressure to dislodge accumulated concrete therefrom as the probe is moved in the drum.
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