Adjustable tail variable-pitch structure of aerial-photographing helicopter

航拍直升机可调式尾变距结构

Abstract

本实用新型涉及一种航拍直升机可调式尾变距结构,包括尾变距调整座,特征是:在所述尾变距调整座上安装尾变距调整滑块,尾变距调整滑块安装在尾桨转动轴上,在尾桨转动轴的端部安装尾桨毂;在所述尾变距调整座的两侧设置导向槽,在尾变距调整滑块的两侧设置导向块,导向块设置在导向槽中;在所述尾变距调整座的底部设备置连接部,连接部通过轴承与拉杆连接。所述尾变距调整滑块通过螺母固定在尾桨转动轴上。所述变距调整座和尾变距调整滑块通过设置在导向槽中的螺栓进行固定。本实用新型可以最大限度地减少机械结构的虚位,增加机械结构的可靠性。
The utility model relates to an adjustable tail variable-pitch structure of an aerial-photographing helicopter. The adjustable tail variable-pitch structure of the aerial-photographing helicopter comprises a tail variable-pitch adjusting base, and is characterized in that a tail variable-pitch adjusting sliding block is arranged on the tail variable-pitch adjusting base and is positioned on a tail rotor rotating shaft, a tail rotor hub is arranged at the end part of the tail rotor rotating shaft, guide grooves are formed at two sides of the tail variable-pitch adjusting base, guide blocks are arranged at two sides of the tail variable-pitch adjusting sliding block, the guide block is arranged in the guide groove, a connecting part is arranged at the bottom of the tail variable-pitch adjusting base and is connected with a pull rod by a bearing, the tail variable-pitch adjusting sliding block is fixedly arranged on the tail rotor rotating shaft by a nut, and the tail variable-pitch adjusting base and the tail variable-pitch adjusting sliding block are fixed by a bolt in the guide groove. According to the adjustable tail variable-pitch structure of the aerial-photographing helicopter, the clearance of the mechanical structure can be reduced to the maximum extent, and the reliability of the mechanical structure can be improved.

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Cited By (2)

    Publication numberPublication dateAssigneeTitle
    CN-104029815-ASeptember 10, 2014江苏泓雅集文化传播有限公司航拍直升机可调式尾变距结构
    CN-104029815-BJune 08, 2016江苏诺华视创电影数字科技有限公司航拍直升机可调式尾变距结构