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Tail rotor blade static balance detection tooling

A technology for testing tooling and tail rotor blades, which is applied in static/dynamic balance testing, measuring devices, and testing of machinery/structural components, etc. It can solve the problem of measuring the weight difference between two blades and achieve the effect of convenient use.

Active Publication Date: 2020-01-07
HARBIN
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The general form of the tail rotor blade is symmetrical about the central axis, and the weight difference between the two blades cannot be measured in the previous technology.

Method used

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  • Tail rotor blade static balance detection tooling
  • Tail rotor blade static balance detection tooling
  • Tail rotor blade static balance detection tooling

Examples

Experimental program
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Effect test

Embodiment Construction

[0022] The present invention is a static balance detection tool for tail rotor blades, which is structured as follows: a measuring platform 1, a blade placement bracket 2, a height indicator 3, a positioning device 4, a balance device 5, an electronic scale tray 6, an electronic scale 7, a support Block 8, Scribing Tool 9. The paddle placement bracket 2, the height indicator 3, the positioning device 4 and the electronic scale tray 6 are installed on the measuring platform 1, the paddle placement bracket 2 is used to temporarily place the tail rotor blade during detection, and the height indicator 3 is used for measurement. It is used to ensure that the central axis of the two blades of the tail rotor blade is horizontal. The balance device 5 is used to clamp the position of the flexible beam of the tail rotor blade during measurement and place it on the positioning device 4 to adjust the balance. The positioning device 4 can adjust the height up and down. The height of the le...

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PUM

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Abstract

The invention relates to a helicopter tail rotor blade static balance detection technology, in particular to a tail rotor blade static balance detection tooling. The tooling comprises a weight measuring instrument and a support structure, wherein the support structure is used for placing a tail rotor blade, the tail rotor blade is placed on the support structure and in a free state, and the weightmeasuring instrument is mounted at one side of the support structure and located below a position where the tail rotor blade is placed. The tooling provided by the invention adopts a lever principle,can detect a static balance relationship of two blades of the tail rotor blade compared with a single-blade detection method in the prior art, can be easily used by an operator and can show a mass difference of the two blades of the tail rotor blade by adopting a digital display reading manner, thereby being simple and convenient.

Description

technical field [0001] The invention relates to a static balance detection technology for a helicopter tail rotor blade, in particular to a static balance detection tool for a tail rotor blade. Background technique [0002] In the prior art, the blade static balance detection method is completed by using a helicopter blade static distance calibration equipment, which includes four parts: a counterweight assembly, a clamping assembly, a supporting truss and an electronic scale, mainly for a single blade Take measurements. The general form of the tail rotor blade is in the form of central axis symmetry, and the weight difference between the two blades cannot be measured in the previous technology. SUMMARY OF THE INVENTION [0003] The technical problem solved by the present invention is to provide a static balance detection tool for two blades of a tail rotor blade. [0004] The technical solution of the present invention: a static balance detection tool for a tail rotor b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M1/12
CPCG01M1/12
Inventor 刘恕魏铜庞耀斌
Owner HARBIN
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