Turbine module equipped with variable pitch blades and annular interface shroud

The invention relates to a turbine module comprising:-a fan (3) intended to be driven in rotation by a fan shaft (32), the fan comprising a plurality of variable pitch blades (30), and-a pitch change system comprising control means (52) connected to the blades via a connection mechanism (51), the control device comprises a fixed body integral with the fan shaft (32) and a movable body (54) connected to the connection mechanism (51), the pitch change system comprising an annular member (70) having a section integral with the movable body, the annular member being substantially bell-shaped and extending at least partially radially outward from the fixed body. According to the invention, the module comprises an annular shroud (80) releasably attached to the annular part (70) and comprising means (81) for attaching the connection mechanism (51). 本发明涉及一种涡轮机模块，该涡轮机模块包括：-风扇(3)，风扇旨在由风扇轴(32)驱动旋转，风扇包括多个可变桨距轮叶(30)，以及-桨距改变系统，桨距改变系统包括控制装置(52)，控制装置经由连接机构(51)连接到轮叶，控制装置包括与风扇轴(32)成一体的固定主体以及连接到连接机构(51)的可移动主体(54)，桨距改变系统包括环形部件(7