Water driven hammer device

Details Water driven hammer device Water driven hammer device

B - Operations, Transporting

25

D

B25D 17/00 (2006.01) B25D 9/12 (2006.01) B25D 17/06 (2006.01) F16J 1/02 (2006.01)

Patent

CA 2208012

Water driven hammer device comprising a machine housing (1) and a hammer piston movable to-and-fro in the machine housing. The hammer piston is guided in the machine housing in two guides (4, 5) arranged at a distance from each other. The guides are made with two parts with different inner diameters. The parts (6) with the largest inner diameters on the guides are turned towards each othe. The room (7) between the guides is pressurized and the chambers on the other side of the guides are kept at a lower pressure so that a flow is obtained through the guides for centering the hammer piston in the machine housing so that the hammer piston does not seize.

Dispositif de martelage actionné par l'eau comportant un carter de machine (1) et un piston de martelage qui se déplace en va-et-vient dans le carter. Le piston de martelage est dirigé dans le carter par deux glissières (4, 5) disposées à une certaine distance l'une de l'autre. Les glissières sont construites avec deux parties dont les diamètres internes sont différents. Les parties (6) sur les glissières avec les diamètres les plus grands sont tournées l'une vers l'autre. L'espace (7) entre les glissières est mis sous pression, et la pression des chambres de l'autre côté des glissières est maintenue à un niveau plus faible de façon à obtenir un courant dans les glissières pour centrer le piston de martelage dans le carter de la machine et pour que le piston ne fige pas.

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