HOLLOW TREE LINE FOR AIRCRAFT TURBINE, COMPRISING ANTI-ROTATION RING COUPLED WITH AN INTERNAL CLAMP NUT

摘要

The invention relates to a hollow shaft line (14) for an aircraft turbomachine, comprising a first hollow shaft (30), a second hollow shaft (32), and means (34) for assembling the shafts, comprising a nut (40) for axially clamping the shafts, comprising an external thread (46) screwed onto an internal thread (48) of the first shaft, and comprising a clamping flange (49) bearing axially against the second shaft; - an anti-rotation ring (42) housed inside the second shaft (32), comprising axial projections (50) housed in female parts (52) made on the nut (40), the ring also comprising radial protrusions (54) housed in female portions (56) on an inner surface of the second shaft (32); and - an axial stop segment (44) of the ring (42).