ASSEMBLY FOR SECURING THE AXIAL POSITION OF A SUN GEAR OF A PLANETARY GEARING STAGE ON A ROTOR SHAFT OF AN ELECTRIC MACHINE, AND USE OF SUCH AN ASSEMBLY

The invention relates to an assembly for securing the axial position of a sun gear (1) of a planetary gearing stage on a rotor shaft (2) of an electric machine. The sun gear (1) has an end section (8)which is stepped radially outwards on the inner diameter and is axially secured to the rotor shaft (2) by means of at least one securing ring (6), and at least one securing element (9) is provided inorder to secure against the centrifugal forces acting on the securing ring (6) during a rotation of the rotor shaft (2), wherein the securing element is plugged into the end section (8) on the sun gear (1) in order to be attached, and the securing element is pushed at least partly over the securing ring (6) and radially secures same. 本发明涉及一种用于在电机的转子轴(2)上固定行星齿轮传动级的太阳齿轮(1)的轴向位置的组件，其中所述太阳齿轮(1)具有端部区段(8)，所述端部区段在内径上径向向外成阶梯状并且借助于至少一个固定环(6)轴向地固定在所述转子轴(2)上，并且设置有至少一个固定元件(9)进行固定以克服在所述转子轴(2)旋转期间作用在所述固定环(6)上的离心力，所述至少一个固定元件插入所述太阳齿轮(1)上的所述端部区段(8)中以便附接并且至少部分地推到所述固定环(6)上方并径向地固定所述固定环。