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The Method of Measuring the Relative Displacement of Butt-jointed Parts by Reflecting Conical Surface

A technology of reflection cone and relative displacement, which is applied to measurement devices, instruments, optical devices, etc., can solve the problems of complicated installation and operation and high cost, and achieve the effect of simple data processing, simple operation and cost reduction.

Active Publication Date: 2016-08-17
STATE GRID CORP OF CHINA +2
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Problems solved by technology

[0003] The invention solves the problems of high cost and complicated installation and operation of the current method for measuring the relative displacement of the butt joint, improves the existing positioning method using multiple laser displacement sensors, and provides a method for measuring the relative displacement of the butt joint by reflecting the conical surface

Method used

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  • The Method of Measuring the Relative Displacement of Butt-jointed Parts by Reflecting Conical Surface

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Embodiment Construction

[0013] The method of measuring the relative displacement of the butt joint by reflecting the conical surface is realized through the following steps:

[0014] 1) Set a reflective plane 1 perpendicular to the docking axis on one of the docking parts, and set a reflective conical surface 2 whose busbar forms an angle θ with the reflecting plane 1 on the side of the reflecting plane 1 facing the other docking part;

[0015] 2) Set the first laser displacement sensor and the second laser displacement sensor on the other docking part; the light emitted by the first laser displacement sensor is perpendicular to the reflection plane 1, and the light emitted by the second laser displacement sensor is parallel to The light emitted by the first laser displacement sensor is directed to the apex of the reflective conical surface 2, and the readings of the two laser sensors are set to 0 at this time;

[0016] 3) When the axial or / and radial relative displacement occurs between the two dock...

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Abstract

The invention relates to a method for measuring the relative displacement of a butt joint, specifically a method for measuring the relative displacement of a butt joint by reflecting a conical surface, which solves the problems of high cost and complicated installation operation of the existing method. The method is realized through the following steps: 1) in one of the A reflection plane perpendicular to the docking axis and a reflection conical surface with an angle θ between the busbar and the reflection plane are set on the docking piece; 2) Two laser displacement sensors are set on the other docking piece to illuminate the reflection plane and the apex of the reflection cone surface respectively , the light emitted by the two sensors is parallel to each other and perpendicular to the reflection plane, and the sensor reading is adjusted to 0; 3) After the axial or / and radial relative displacement of the docking part, read the reading L of the two sensors 1 L 2 ; 4) The axial and radial relative displacement of the butt joint is obtained as L 轴 = L 1 , L 径 =(L 2 -L 1 ) / tanθ. The invention has the advantages of: 1) reduced cost; 2) simple operation and simple calculation; 3) high fault tolerance rate.

Description

technical field [0001] The invention relates to a method for measuring the relative displacement of a butt joint, in particular to a method for measuring the relative displacement of a butt joint by reflecting a conical surface. Background technique [0002] In practical engineering applications, two docking parts (such as GIS busbar compartment) may have axial or radial relative displacement due to external forces and other factors, causing major economic losses and even endangering public safety. Therefore, it is necessary to measure the two docking parts Relative displacement. There are three main methods currently used: 1) Contour scanning positioning: use laser scanning method, through contour processing, comparison and calculation, and finally obtain the three-dimensional relative displacement of the docking parts; 2) Binocular stereo vision positioning: use image acquisition equipment Collect two images from different angles at the same time, based on the principle o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B11/02
Inventor 闫君罗文杰殷立坚昝海娥张兴忠任丁卉
Owner STATE GRID CORP OF CHINA
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