LOAD-BEARING UNIT OF FLYING VEHICLE STRUCTURE Russian patent published in 1995 - IPC

FIELD: aircraft manufacture. SUBSTANCE: load-bearing unit of flying vehicle structure has bracket which consists of two articulated links of frame. Concentrated load is applied to common hinge of links and two other hinges are used for securing the links to structural members and are located at point of intersection of longitudinal and transversal beams each of which has upper and lower strakes and corrugated wall. Walls are connected with strakes by means of profiles. Bracket of structural members is secured to trough-shaped profile and to two channel sections. Connected with trough-shaped profile is profiled part which forms closed profile together with it. Free webs of trough-shaped profile and webs of channel sections are directed to opposite sides. Profiled part is connected with wall of longitudinal beam by means of angle and Z-section profile; trough shaped profile and channel section are connected with wall of transversal beam by means of connecting profiles. Trough-shaped profile, channel sections and connecting profiles are coupled to interconnected strakes of beams. Connecting profiles and parts coupling them with strakes may be made detachable for mounting and dismantling the hinge pins. EFFECT: reduction of weight expenses and enhanced reliability at design strength and rigidity of structure due to realization of simultaneous compensation for its thermal expansion. 7 dwg