Fabricated PC stair

The utility model discloses an assembly type PC stair, and relates to the technical field of assembly type stairs, the assembly type PC stair comprises a preassembled stair, vertical through mounting grooves are formed in the two ends of the preassembled stair, mounting frames are arranged in the mounting grooves, and mounting seats are arranged in the mounting frames; a mounting sleeve used for being connected with the fixing rod in a sleeving mode is hinged to the mounting base. According to the pre-assembled stair, the mounting sleeve can be conveniently adjusted to be in a vertical state, so that the mounting sleeve is conveniently connected to the outer part of the fixing rod in a sleeving manner, and the construction difficulty of the pre-assembled stair is effectively reduced. 本申请公开了一种装配式PC楼梯，涉及装配式楼梯的技术领域，其包括预装楼梯，所述预装楼梯的两端开设有竖向贯通的安装槽，所述安装槽的内部设置安装框，所述安装框的内部设置有安装座，所述安装座上铰接有用于与固定杆套接的安装套筒。本申请能够方便将安装套管调节至竖直状态，从而方便安装套管套接在固定杆的外部，进而有效降低了预装楼梯的施工难度。