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An articulated rotor blade root motion parameter measurement device and method

A motion parameter and measurement device technology, applied in the field of rotor test, can solve the problems of inability to directly measure the motion of an articulated rotor, inability to measure the rigid motion, etc., and achieves the effect of compact structure, high reliability and direct data measurement

Active Publication Date: 2022-07-01
CHINA HELICOPTER RES & DEV INST
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Problems solved by technology

[0003] In order to obtain the motion parameters of the blade, the deformation parameters (flailing angle, shimmy angle) of the blade are usually measured by the strain electrical measurement method. The motion of the rotor blade includes the rigid motion and deformation of the blade. The strain electrical measurement method cannot measure the rigid motion, but can only measure the deformation. It is suitable for bearingless, hingeless and other rotors without free flapping hinges and swing angles. type, unable to directly measure the motion of the articulated rotor

Method used

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  • An articulated rotor blade root motion parameter measurement device and method
  • An articulated rotor blade root motion parameter measurement device and method

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Embodiment Construction

[0029] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0030] The embodiment of the present invention provides an articulated rotor root motion parameter measurement device, such as figure 1 and figure 2 As shown, the device includes: a swing angle measurement assembly and a swing angle measurement assembly; the swing angle measurement assembly is connected to the swing damper for measuring the swing angle of the propeller root, wherein the swing damper The device is connected to the ro...

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Abstract

The invention belongs to the technical field of rotor testing, and discloses an articulated rotor root motion parameter measurement device and method, comprising: a swing angle measurement assembly and a swing angle measurement assembly; the swing angle measurement assembly is connected to a swing damper It is used to measure the swing angle of the propeller root, wherein the swing damper is connected to the swinging hinge of the propeller root; the swing angle measuring component is connected to the swinging hinge of the propeller root, and is used to measure the swinging angle of the propeller root. The swaying, swaying and other motions of the rotor can be transmitted to the angular displacement sensor for direct measurement by installing the support and transition piece.

Description

technical field [0001] The invention belongs to the technical field of rotor testing, and in particular relates to an articulated rotor root motion parameter measurement device and method. Background technique [0002] The rotation of the rotor and the influence of the air flow during flight, the rotor blades are in a periodic motion, and this periodic motion determines that the helicopter rotor can be used as both the lift surface of the helicopter and the control surface of the helicopter. , At the same time, the rotor blade will cause elastic vibration deformation under the action of alternating load during the flight. This deformation in turn changes the aerodynamic force of the blade profile, resulting in the change of the motion state of the blade. The blade is obtained through theoretical calculation. Therefore, through the experimental method, the motion parameters of the blade can be obtained more accurately and in real time. [0003] In order to obtain the motion ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B64F5/60
CPCB64F5/60
Inventor 陈垚锋邓建军黄建萍陈卫星李新民
Owner CHINA HELICOPTER RES & DEV INST
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