CARRIER STRUCTURE FOR PLANETARY GEAR SET

摘要

PROBLEM TO BE SOLVED: To reduce relative displacement between a plate directly connected to a shaft and a plate connected to the shaft via support posts so that an inclination of a pinion axial line which extends between the plates falls within an acceptable range.

SOLUTION: One plate 2 of opposing plates 2 and 3 constituting a carrier body 1 is directly connected to the outer circumference in the vicinity of the shaft end of a shaft 5 while the other plate 3 is connected to the shaft 5 via support posts 4 extending from the shaft end 5a in a mutual connecting part between the plate 2 and the vicinity of the shaft end (shaft 5). The support posts 4 are arranged at the outer circumference of the plate 3 as a set of four posts at equal intervals in the circumferential direction, and integrally connected to the plate 3. The support posts 4 which extend in an inclined manner so as to converge toward the shaft end 5a are made to finally converge at a common annular body 4a and integrated. The annular body 4a is fitted to the shaft end 5a and connected to the shaft end 5a. A planetary pinion (not shown in the figure) is supported on pinion shafts (not shown in the figure) which are inserted into through-holes 2a and 3a in the plates 2 and 3.

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