The invention belongs to the technical field of helicopter fatigue tests, and particularly relates to a helicopter moving ring fatigue test device and test method. According to the composition relation of the device, the lower bottom face of an immovable ring false part installation support is installed on a fixed platform, and an immovable ring false part is installed above the immovable ring false part installation support; the outer cylindrical surface of the fixed ring false part and the inner cylindrical surface of the helicopter moving ring large bearing are mounted in an interference fit manner; the actuator cylinder bases are installed on the fixed platform and evenly distributed on the periphery of the fixed ring false part installation support, the actuator cylinder fixed ends are connected with the actuator cylinder bases, the actuator cylinder loading ends are connected with the variable-torque pull rod loading connector, and the other end of the variable-torque pull rod loading connector is fixed to a helicopter moving ring supporting arm; the torsion arm loading fork lug assembly is connected with a helicopter movable ring 2 # torsion arm, one end of the anti-torsion fork lug assembly is connected with a helicopter movable ring 1 # torsion arm, and the other end of the anti-torsion fork lug assembly is connected with the anti-torsion rod assembly; the torsion arm loading fork lug assembly and the anti-torsion bar assembly are fixed to the ground rail through the torsion arm loading support.
本发明属于直升机疲劳试验技术领域,特别涉及一种直升机动环疲劳试验装置及试验方法。装置组成关系如下:不动环假件安装支座下底面安装于固定平台上,不动环假件安装支座上方安装不动环假件;不动环假件外圆柱面与直升机动环大轴承内圆柱面通过过盈配合安装;作动筒底座安装在固定平台上且在不动环假件安装支座四周均布,作动筒固定端与作动筒底座相连,作动筒加载端与变矩拉杆加载接头连接,变矩拉杆加载接头另一端固定至直升机动环支臂上;扭力臂加载叉耳组件与直升机动环2#扭力臂连接,防扭叉耳组件一端与直升机动环1#扭力臂连接,另一端连接防扭杆组件;扭力臂加载叉耳组件和防扭杆组件通过扭力臂加载支座与地轨固定。
Helicopter moving ring fatigue test device and test method
一种直升机动环疲劳试验装置及试验方法
2025-02-14
Patent
Electronic Resource
Chinese
IPC: | G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES , Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen / 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 |
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