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
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[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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