Outfitting window frame and mounting method

The invention discloses an outfitting window frame and a mounting method. The outfitting window frame comprises a window frame base, a window frame back plate and a window frame front cover which aresequentially connected, wherein the window frame base and the window frame back plate are adjustably connected through bolts, and the window frame back plate and the window frame front cover are fastened to be connected through an outfitting plate. The mounting method of the outfitting window frame comprises the following steps: the window frame back plate is fixedly mounted on the window frame base through the bolts, the outfitting plate is fastened with the window frame back plate, a hole of the outfitting plate is utilized for positioning and fixing, the window frame front cover is then mounted, and finally, rivets are used for fixing. The outfitting window frame has the following advantages: the outfitting window frame is easy to mount, and a window frame keel support, embedded parts and the like do not need to be specifically welded for the window frame; since the rivet fixing method is used by the window frame front cover, construction is convenient; moreover, the outfitting plate does not need to be cut according to the size of the window frame, the window frame base can be directly welded to be fixed on a steel wall of a ship, the size of the window frame in a depth direction can be adjusted by using the bolts, and the adjustability is high.