E - Fixed Constructions – 21 – C
Patent
E - Fixed Constructions
21
C
E21C 25/10 (2006.01) E21C 27/24 (2006.01)
Patent
CA 2595326
The invention relates to a device for milling rock or other materials. Said device comprises a spindle drum (13) which is rotatably mounted on a drum support (11) and in which a plurality of tool spindles (22) are received to be rotatable about spindle axes in a manner off-center of the drum axis (43). The tool spindles, at their ends projecting from the spindle drum, carry machining tools (41). The invention is characterized in that at least two of the tool spindles can be driven by a common gear drive which comprises output gears (24), permanently disposed on the tool spindles, and a common drive element (25) interacting with the output gears. The drive element and the spindle drum (13) can be rotated in relation to each other.
L'invention concerne un dispositif de fraisage de pierres et d'autres matériaux comportant un porte-tambour (11) portant un tambour porte-broche (13) logé rotativement, contenant plusieurs broches d'outils (22) logées de façon excentrique par rapport à l'axe de tambour (34) de manière à tourner autour d'axes de broches. Les broches d'outils portent des outils d'usinage (41) sur leurs extrémités faisant saillie par rapport au tambour porte-broche. Selon l'invention, au moins deux broches d'outils peuvent être entraînées par un entraînement à engrenages commun présentant des roues dentées de sortie (24) disposées fixement sur les broches d'outils et un élément d'entraînement commun (24) interagissant avec les roues dentées de sortie, l'élément d'entraînement et le tambour porte-broche (13) pouvant tourner l'un par rapport à l'autre.
Bechem Ulrich H.
Raschka Joachim
Steinberg Jens
Dbt Gmbh
Mcfadden Fincham
LandOfFree
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