A planetary type gear unit comprising a planet carrier with a planet bogie plate

摘要

A planetary type gear unit (8) comprising a planet carrier (10) with a planet bogie plate (19) and at least one planet shaft (20), whereby on both sides (21,22) of the bogie plate (19) a planet wheel (23,24) is mounted on the planet shaft (20) by means of taper roller bearings (25), whereby the planet shaft (20) is provided with an axially displaceable piece (31,32) on each of its extremities (33,34) forming an abutment (35) which provides an axial support for the inner bearing rings (26,27) of said taper roller bearings (25) and with tensioning means (36) by which said axially displaceable pieces (31,32) can be displaced to one another for controlling the pre-tensioning on the taper roller bearings (25).