Planet-carrier for an epicyclic gearing and epicyclic gearing provided with such a planet-carrier

行星齿轮装置的行星架和设置有该行星架的行星齿轮装置

Abstract

A planet-carrier (5) for an epicyclic gearing (1) having an annular structure (9), provided with a coupling portion (10) for being connected to a rotating member or to a static structure in an angularly fixed manner, and a ring (15) that is coaxial to the annular structure (9) along a transmission axis (3) and consists of a plurality of plate-shaped sectors (16) and of a plurality of attachment sectors (17), alternating with one another about the transmission axis (3); the plate-shaped sectors (16) lie on a plane (P) orthogonal to the transmission axis (3) and are fixed with respect to pairs of pins (19), which protrude in opposite directions from the plate-shaped sectors (16) and are adapted to carry respective planet gears (2); each of the attachment sectors (17) is fastened to the structure (9) by a corresponding pair of arms (31), which converge with each other towards the ring (15) and are elastically deformable so as to allow a relative movement between the ring (15) and the structure (9) under load.
本申请涉及用于行星齿轮装置(1)的行星架(5)和设置有行星架的行星齿轮装置。该行星架具有环状结构(9),环状结构设置有耦接部(10),耦接部用于以成角度固定的方式连接至旋转构件或静态结构,并且行星架具有环形件(15),环形件沿传动轴线(3)与环状结构同轴且由围绕传动轴线彼此交替的多个板状区段(16)和多个附接区段(17)组成;板状区段位于与传动轴线正交的平面(P)上且相对于成对销(19)固定,销在相对的方向上从板状区段处突出且适于承载各自的行星齿轮(2);每个附接区段通过相应的成对臂(31)紧固至环状结构,臂朝向环形件彼此收拢且能弹性变形以允许在载荷下环形件与环状结构之间的相对移动。

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