| 摘要 |
FIELD: construction.SUBSTANCE: invention relates to a device for pumping-out of drilling material at drilling of brick masonry, etc. The device for pumping-out drilling material (11) at drilling of brick masonry, etc. with at least one reduced pressure chamber (5), at least one pumping-out point (14) spatially separated from reduced pressure chamber (5), connection pipe (7) for a pumping-out assembly that pumps out drilling material (11) available at pumping-out point (14) and at least with one hole (9), through which reduced pressure chamber (5) is hydraulically connected to connection pipe (7), which differs by the fact that at least one unloading hole (20) that attaches reduced pressure chamber (5) to atmosphere is provided in wall (6) of reduced pressure chamber (5) for creation of forced flow in reduced pressure chamber (5) to connection pipe (7) through hole (9).EFFECT: improvement of a structure.15 cl, 1 dwg |
