The invention belongs to the field of rotor aircraft water forced landing tests, and particularly relates to a helicopter water surface floating characteristic test model, the surface of a helicopter fuselage model (1) is of a high-strength thin-wall skin structure (5), a transverse bulkhead (6) and a longitudinal reinforcing stringer (7) for structural reinforcement are arranged in the helicopter fuselage model (1), and a closed fuel tank (8) is further arranged in the helicopter fuselage model (1); the undercarriage simulation device (2) is fixedly connected with the helicopter fuselage model (1) through a hole site reserved in the high-strength thin-wall skin structure (5) at the lower abdomen of the helicopter fuselage model (1); the scaling rotor (4) is mounted at the top end of the helicopter body model (1); the portable detachable flexible floating bag structure (3) is fixed with an undercarriage through a preformed hole groove in the undercarriage simulation device (2).
本发明属于旋翼航空器水上迫降试验领域,具体涉及一种直升机水面漂浮特性试验模型,所述直升机机身模型(1)表面为高强薄壁蒙皮结构(5),内部设置有结构加强用横向隔框(6)以及纵向加强桁条(7),在直升机机身模型(1)内部还设置有密闭燃油箱(8);所述起落架模拟装置(2)通过直升机机身模型(1)下腹部高强薄壁蒙皮结构(5)上预留的孔位与直升机机身模型(1)实现固结;所述缩比旋翼(4)安装于直升机机身模型(1)顶端;所述便携拆装式柔性浮囊结构(3)通过起落架模拟装置(2)上的预留孔槽与起落架固定。
Helicopter water surface floating characteristic test model
一种直升机水面漂浮特性试验模型
2023-04-18
Patent
Electronic Resource
Chinese
IPC: | B64F GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT , Boden- oder Flugzeugträgerdeckeinrichtungen besonders ausgebildet für die Verwendung in Verbindung mit Luftfahrzeugen / G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES , Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen |
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