| 摘要 |
<p>The invention concerns a slow down sump for concrete cores and water-mud. At diamond concrete drilling in a floor the heavy concrete core and water-mud is falling down to the under-floor in the moment when the drill bit is getting through the concrete floor. People and material on the floor below are in danger. The invention is solving this problem owing to the fact that a vertical movable sump (2), which is equipped with a movable track (5) which is running on a telescope support (1), take down concrete cores and water-mud. To get loose locking (3) and slow down with the lift (9) the handling (take down core) can be done in a controlled way. During the whole slow down moment the telescope support is securely fixed between floor and ceiling. The invention is used mostly at diamond concrete drilling, where you have enough space to fix a sump from below, for example at rebuilding apartment houses.</p> |
