The invention provides a main blade folding and fixing device which comprises a bottom supporting rod system connected with a longitudinal beam at the bottom of a helicopter belly; the transverse supporting rod is connected with one end of the bottom supporting rod system; one end of the blade supporting rod system is connected with the transverse supporting rod, and the other end of the blade supporting rod system is connected with a helicopter blade; meanwhile, the invention further provides a helicopter. The device provided by the invention is used for fixing the front folding blade of the helicopter, and when the helicopter is transported by a certain type of transporter, the main blade of the helicopter cannot collide with the inner wall of a cabin of the transporter under II-level limiting overload, so that the strength and rigidity design requirements are met; the whole fixing device also considers the convenience of disassembly and assembly, and is convenient for daily use and maintenance.
本申请提供了一种主桨叶折叠固定装置,所述装置包括:底部支撑杆系,与直升机机腹底部纵梁连接;横向支撑杆,与所述底部支撑杆系的一端连接;桨叶支撑杆系,所述桨叶支撑杆系的一端与所述横向支撑杆连接,所述桨叶支撑杆系的另一端与直升机桨叶连接;同时,本申请还提供了一种直升机;利用本申请提供的装置对直升机前折叠桨叶进行固定,该型直升机通过某型运输机运输时,直升机主桨叶在II级限动过载下,主桨叶不会磕碰运输机机舱内壁,满足强度与刚度设计要求;整个固定装置还考虑了拆装的便利性,便于日常使用维护。
Main blade folding and fixing device and helicopter
一种主桨叶折叠固定装置和直升机
2024-12-27
Patent
Electronic Resource
Chinese
IPC: | B65D Behältnisse zur Lagerung oder zum Transport von Gegenständen oder Materialien [Container], z.B. Säcke, Beutel, Fässer, Flaschen, Dosen, Kästen, Büchsen, Schachteln, Packkörbe, Tonnen, Gläser, Flüssigkeitsbehälter, Trichtersilos, Transportbehälter , CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS / B64C AEROPLANES , Flugzeuge |
Main rotor blade fixing assembly for unmanned helicopter
European Patent Office | 2021
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