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A new type of three-dimensional displacement measuring device and measuring method

A displacement measurement, three-dimensional technology, applied in the field of new three-dimensional displacement measurement devices, can solve problems such as data errors, and achieve the effect of high measurement accuracy

Active Publication Date: 2022-04-19
CHINA AIRPLANT STRENGTH RES INST
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  • Summary
  • Abstract
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Problems solved by technology

[0003] The purpose of the present invention: to propose a new type of three-dimensional displacement measurement device and measurement method, to solve the problem that the traditional pull-wire measurement method can only measure one-dimensional deformation, and the measured data has certain errors

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  • A new type of three-dimensional displacement measuring device and measuring method
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  • A new type of three-dimensional displacement measuring device and measuring method

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Embodiment Construction

[0023] The following in conjunction with the accompanying drawings to further introduce the present invention, a new three-dimensional displacement measurement device, comprising a pull-wire displacement sensor 1, a flat angle sensor 2, an angle sensor 3, a rotary wheel device 6, a vertical wheel device 7 and a guide tube 9, the flat angle angle sensor 2 is provided on the bottom surface of the lateral end of the pull-type displacement sensor 1, the shaft at the bottom of the flat angle angle sensor 2 passes through the bottom surface of the lateral end of the pull-wire displacement sensor 1, The end of the shaft at the bottom of the flat angle angle sensor 2 is provided with a rotatable first turntable 4, the flat angle angle sensor 6 is disposed on top of the pull-type displacement sensor 1, the translation wheel unit 6 at the bottom of the flat wheel device 12 is connected to the first turntable 4 by a conveyor belt, the vertical angle sensor 3 is provided on the flank 10 of th...

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Abstract

The invention discloses a new type of three-dimensional displacement measuring device, which comprises a pull-wire displacement sensor, a flat angle sensor, a vertical angle sensor, a flat wheel device, a vertical wheel device and a guide tube, and the three-dimensional displacement measuring device is combined with the traditional wire-type displacement sensor. Compared with the three-dimensional displacement data that can measure the deformation of the aircraft structure, it has higher measurement accuracy.

Description

Technical field [0001] The present invention relates to the field of aircraft strength testing technology, in particular to a new three-dimensional displacement measuring device and measurement method. Background [0002] In the aircraft strength test, the displacement data of the aircraft structure deformation is an important test data, the traditional way to collect the displacement data is to measure through the pull-wire displacement sensor, the pull-wire displacement sensor is composed of a sensor module and a pull wire, the sensor module includes two parts of the encoder and the wire pull box, the end of the cable is attached to the structure to be measured when measuring, the displacement data of the position can be obtained by measuring the length of the pull wire before and after the deformation of the structure, and the length of the pull wire before and after the deformation is changed from r to r′, The difference between the front and back can get the displacement da...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B64F5/60G01B11/16G01M5/00
Inventor 强宝平高建杜星
Owner CHINA AIRPLANT STRENGTH RES INST
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