rotor hub

The interior of rotor hub has an auriform appendix structure, above has a group of coaxial bore which has bigger external bore and lesser internal bore is need to processing.

该风电机轮毂内部有一耳状构件，其上有一组外孔小、内孔大的同轴孔需要加工。

Over the past several decades there has been an emphasis on simplifying rotor hub designs. The trend is toward lower parts count, weight, drag, and maintenance cost.

在过去的几十年里，直升机旋翼系统的设计领域都强调旋翼桨毂的简单化，总体趋势是降低零部件个数，减少重量，减小阻力和降低维护成本。

To extract classification features related to the helicopter rotor structure and motion parameters from radar echoes of the main rotor and hub, this paper proposes a new algorithm of feature extraction in terms of wavelet packet analysis, and carries out the corresponding simulation.

为了从直升机主旋翼（含叶毂）回波中提取与直升机主旋翼结构和运动参数有关的分类特征，提出了一种基于小波包分析的主旋翼回波特征提取新算法，并进行了计算机仿真。

Install rotor on axle hub.

在车轴轮毂上安装转子。

ANSYS FEM used in the stress calculations of blower hub, which overcomes the limit of the classical method on the stress calculation of complicated surface, is an ideal, accurate calculation method for the simulation on the actual operation of rotor blower hub.

采用ANSYS计算汽轮发电机转子风扇座的应力，克服了经典计算方法对复杂变化曲面应力计算的局限性，是较理想地模拟转子风扇座实际运行工况的计算方法。

The bifilar pendulum absorber is used to reduce the inplane longitudinal and lateral excitation forces and it is mounted to the rotor hub of a helicopter.

双线摆式吸振器是位于直升机旋翼旋转平面内用来吸收该平面内桨毂纵、横向激振力的动力吸振器，能随旋翼转速而调谐。

The rotor and the fuselage of the helicopter are mechanically coupled at the rotor hub. A coupled rotor/ fuselage vibration analysis is performed by the matching of rotor and fuselage impedance at the rotor hub.

直升机的旋翼与机身在桨毂处是机械耦合的，用旋翼阻抗和机身阻抗在桨毂处匹配的方法分析旋翼／机身耦合系统的固有特性。

Fatigue Design Research on Spherical Flexible Main Rotor Hub of Helicopter

球柔性主桨毂中央件疲劳设计研究

The fillet structure decreases the transverse pressure difference near the rotor hub and shroud, and shifts the aerodynamic load to the latter half part of the rotor blade.

倒角结构降低了动叶根、顶处横向压差，气动负荷向动叶栅后半部分转移；

The design and manufacture of stainless laminated strips of helicopter tail rotor hub

直升机尾桨毂拉扭条的设计与制造

Stainless laminated strips has usually been selected as a load-bearing structure in main rotor hub and tail rotor hub of a helicopter.

拉扭条结构件是直升机主桨毂、尾桨毂通常采用的一种结构承载受力件。

A kind of double transverse arm suspending frame guiding mechanism and steering mechanism that employed in outer rotor typed hub motor has been put forward, which could make the four wheel driven electric car to realize a rotation round arbitrary point and to translate along arbitrary direction.

提出了一种用于外转子式轮毂电机的双横臂悬架导向机构和转向机构，可实现四轮驱动电动汽车绕任一点进行旋转，以及沿任一方向进行平移。

Investigation on the shaft neck fatigue crack of helicopter rotor hub

直升机旋翼桨毂轴颈疲劳裂纹探讨