A flexible robot stress detection mechanism

A stress detection and robot technology, applied in manipulators, manufacturing tools, etc., can solve problems such as low precision and difficulty in obtaining high-precision surface curvature values, and achieve high-precision results

Active Publication Date: 2021-12-17
SHENYANG SIASUN ROBOT & AUTOMATION
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Problems solved by technology

However, the existing 3D laser scanning is a typical cloud point technology, and the accuracy of micro-deformation measurement is not high, especially it is difficult to obtain high-precision surface curvature values

Method used

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  • A flexible robot stress detection mechanism
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Embodiment Construction

[0023] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0024] Such as figure 1 As shown, a flexible robot stress detection mechanism provided by the present invention includes a laser generator 3, a scanning galvanometer 4, a sensor and a control system 8, wherein the laser generator 3 is used to detect the surface of the material 2 before and after it is loaded The laser beam 9 is emitted at a point, and the laser beam 9 generates a reflection track 10 at the detection point; the scanning galvanometer 4 is arranged on the front end of the laser generator 3 to control the deflection angle of the laser beam 9; the sensor is used to collect the laser beam 9 and the reflection track 10, and send the image signal to the control system 8; the control system 8 is used to control the image signal sent by the...

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Abstract

The invention relates to a micro-deformation measuring device with a material surface having a large curvature, in particular to a flexible robot stress detection mechanism. It includes a laser generator, a scanning galvanometer, a sensor and a control system. The laser generator is used to emit a laser beam at the detection point on the front and rear surfaces of the material to be tested, and the laser beam generates a reflection track at the detection point; the scanning galvanometer is set on the laser beam. The front end of the generator is used to control the deflection angle of the laser beam; the sensor is used to collect the image signal of the laser beam and the reflection track, and send the image signal to the control system; the control system is used to control the laser generator and receive the image signal sent by the sensor The image signal is processed, and the obtained image signal is processed, so as to obtain the micro-deformation of the detection point. The invention enables the micro-deformation measurement to obtain a higher order of magnitude accuracy, especially the high-precision surface curvature value.

Description

technical field [0001] The invention relates to a micro-deformation measuring device with a material surface having a large curvature, in particular to a flexible robot stress detection mechanism. Background technique [0002] Generally speaking, 3D laser scanning technology is a high-tech that began to appear in the mid-1990s, and it is another new breakthrough in surveying and mapping technology after the GPS spatial positioning system. Through the method of high-speed laser scanning measurement, it can quickly obtain the three-dimensional coordinate data of the surface of the measured object with a large area and high resolution, and can obtain the spatial point position and its change information. However, the existing three-dimensional laser scanning is a typical cloud point technology, and the accuracy of micro-deformation measurement is not high, especially it is difficult to obtain high-precision surface curvature values. Contents of the invention [0003] In view...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25J19/00
Inventor 周明远朱维金王永胜孙宝龙陈立博王金涛王凤利崔健
Owner SHENYANG SIASUN ROBOT & AUTOMATION
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