FIELD: aviation.
SUBSTANCE: invention relates to arrangement of equipment units on a helicopter. Aircraft nacelle for arrangement of equipment units comprises central housing (35) with fairings. Central housing (35) consists of front frame (30), rear frame (31), which are connected to each other by means of stringers fixed along contour of central housing (35), which is closed from outside by skin (14) and covers. Front (30) and rear (31) frames are provided with transverse ribs (76) connected by side strips (94). On the open side of central housing (35) there is beam (33) fixed, above and below it there are openings (29) closed with covers. Composite brackets are attached to front (30) and rear (31) frames, which include interconnected front bracket, side bracket, lower bracket, rear bracket and upper bracket. In central housing (35) there is shaft (77) containing a pipe, on which a tip is fixed on one side, and on the other side a compression mechanism is installed.
EFFECT: rigid attachment of equipment units inside the nacelle, compensation of vibration loads in all flight modes of the helicopter, which increases reliability of the equipment unit installation.
6 cl, 18 dwg
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