Highly loaded frame of an aircraft fuselage with a lattice structured web

摘要

Frame of a fuselage section of an aircraft that receives external loads, such as the rear section that receives the loads of the tail planes, comprising a first sector (11) configured specifically to withstand these external loads and a second sector along the remaining perimeter of the fuselage, said first sector (11) comprising the following structural elements: a) a foot piece (21) to be joined to the fuselage skin (13); b) a head piece (23); c) a web (25) comprising one or more fitting-pieces (27, 27') for receiving said external loads and a plurality of X-shaped pieces (31) joined by its ends to said foot piece (21) and said head piece (23); d) two connecting pieces (39, 39') of the ends of said foot piece (21) and said head piece (23) with the second sector of the frame.