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Three-dimensional deformation measuring device for measured piece in high-temperature and low-temperature box

A measuring device, a technology of three-dimensional deformation, applied in the direction of measuring devices, optical devices, instruments, etc., can solve problems such as poor measurement accuracy, and achieve the effect of overcoming the effects of additional friction and additional motion of components

Active Publication Date: 2012-06-20
苏州卫优知识产权运营有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the shortcomings of the poor measurement accuracy of the existing three-dimensional deformation measuring device in the high and low temperature box, the present invention provides a three-dimensional deformation measuring device in the high and low temperature box with high measurement accuracy

Method used

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  • Three-dimensional deformation measuring device for measured piece in high-temperature and low-temperature box
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  • Three-dimensional deformation measuring device for measured piece in high-temperature and low-temperature box

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with the accompanying drawings.

[0020] refer to Figure 1 ~ Figure 3 , a three-dimensional deformation measurement device for a test piece in a high-low temperature box, the measurement device includes a string, a three-dimensional air bearing assembly and a signal acquisition module with an encoder in three directions, and the three-dimensional air bearing assembly includes a fixed plate 19. The x-direction air flotation unit, the y-direction air flotation unit and the z-direction air flotation unit. Each air flotation unit includes an air flotation shaft and an air flotation sleeve. The signal acquisition modules with encoders in the three directions are respectively installed on the x to the air flotation unit, the y direction air flotation unit and the z direction air flotation unit; the x direction air flotation shaft 20 is installed on the fixed plate 19, the x direction air flotation sleeve 25...

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Abstract

The invention relates to a three-dimensional deformation measuring device for a measured piece in a high-temperature and low-temperature box. The measuring device comprises a string, a three-dimensional air floating assembly and signal acquisition modules with encoders in three directions. Each air floating unit comprises an air floating shaft and an air floating sleeve. The signal acquisition modules with the encoders in the three directions are respectively installed on an x-direction air floating unit, a y-direction air floating unit and a z-direction air floating unit. An x-direction air floating shaft is installed on a fixed plate. An x-direction air floating sleeve is slideably installed on the x-direction air floating shaft. The x-direction air floating sleeve is fixedly connected with a y-direction air floating shaft. A y-direction air floating sleeve is slideably installed on the y-direction air floating shaft. The y-direction air floating sleeve is fixedly connected with a z-direction air floating sleeve. A z-direction air floating shaft is slideably installed on the z-direction air floating sleeve. The upper end of the string is connected with the measured piece and the lower end of the string is connected with the z-direction air floating shaft of the three-dimensional air floating assembly. The three-dimensional deformation measuring device for the measured piece in the high-temperature and low-temperature box provided by the invention has the advantage of high measurement precision.

Description

technical field [0001] The invention relates to a three-dimensional micro-deformation measurement system, in particular to a three-dimensional deformation measurement device for a measured piece in a high-low temperature box. Background technique [0002] During the bending stiffness test, it is necessary to apply a force in a certain direction of the tested piece. Under the action of force or torque, the tested piece is deformed, and the stiffness is calculated by measuring the deformation in the direction of the force. However, the shape of the measured piece is irregular, and under the action of external force, in addition to the deformation in the direction used for stiffness calculation, it may also produce rotation in the three directions of x, y, and z and deformation in the other two directions. Even if the force or moment does not change, the moment arm will change due to the deformation of the measured point, which will affect the loaded moment value. Since the de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/16
Inventor 孙建辉单晓杭彭廷红郑欣荣
Owner 苏州卫优知识产权运营有限公司
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