Accurate alignment jig

The utility model discloses an accurate alignment jig, including right angle support, moving driving parts, locating part and unable adjustment base, the right angle support has a movable stand boby who places on the installation face of PC component and a promotion support body that is used for promoting the PC component at least, movable stand boby with promote even as an organic whole and mutually perpendicular of support body, moving driving parts's one end is connected on the right angle support, and the other end passes through the locating part and connects on unable adjustment base. The utility model discloses simple structure, convenient to use can target PC components are installed in place the back recaccommodation to the standard wall line on, and whole process needs artifically less, and it is laborsaving fast to be under construction. 本实用新型公开了种精确调节架，包括直角支架、移动驱动件、限位件和固定底座；所述直角支架至少具有个放置在PC构件的安装面上的移动架体和个用于推动PC构件的推动架体，所述移动架体与所述推动架体连为体并相互垂直，所述移动驱动件的端连接在直角支架上，另端通过限位件连接在固定底座上。本实用新型结构简单，使用方便，能够将PC构件安装到位