Convergence meter calibrating device and calibrating method
A verification device and convergent gauge technology, applied in measuring devices, instruments, etc., can solve problems such as lack of analysis of convergent gauge measurement accuracy, difficulty in grasping coaxiality, etc., and achieve the effects of reduced influence, high sensitivity, and high measurement accuracy
Pending Publication Date: 2021-02-19
JIUJIANG JINGDA MEASUREMENT TECH
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Problems solved by technology
[0006] The purpose of the present invention is to overcome the relatively difficult grasp of the coaxiality of the convergent gauge, the workbench, the translation device and the micrometer, etc. existing in the prior art, and the lack of analysis of the accuracy of the convergent gauge. Accurately record the stretching displacement of the convergent meter to be tested, so as to significantly achieve the purpose of verifying the convergence measurement accuracy and the verification method of the convergent meter
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[0029] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.
[0030] Such as Figure 1-Figure 5 The shown specific embodiment of an extensometer verification device and verification method of the present invention includes a base 1, a first hook seat 2 installed on the base 1, and a high-precision manual translation platform slidingly connected with the base 1 3. The linear grating scale installed on the side of the high-precision manual translation platform 3. 4. The second hook seat 5 installed on the high-precision manual translation platform 3. Measuring the extensometer 6, the linear grating ruler 4 is connected with the grating ruler digital display meter 7 through the data line. Wherein the high-precision manual...
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The invention belongs to the technical field of precision instrument manufacturing and precision testing and metering, and particularly relates to a convergence meter calibrating device and a convergence meter calibrating method. The device comprises a base, a first hook seat mounted on the base, a high-precision manual translation table slidably connected with the base, a linear grating ruler mounted on the side surface of the high-precision manual translation table, a second hook seat mounted on the high-precision manual translation table, and a to-be-measured convergence meter mounted between the first hook seat and the second hook seat, wherein the linear grating ruler is connected with a grating ruler digital display meter through a data line. The convergence meter calibrating deviceis used for calibrating, the high-precision manual translation platform adopts double guide rails, the stretching coaxiality of the convergence meter to be calibrated is improved, and a displacement measuring system composed of the linear grating ruler and the grating ruler digital display meter displays the movement displacement of the high-precision manual translation platform in real time, so that the measuring precision of the to-be-measured convergence meter calibrating device is improved, and the calibrating range of the to-be-measured convergence meter is increased, so that the whole device is high in measuring precision and high in sensitivity.
Description
technical field [0001] The invention belongs to the technical field of precision instrument manufacturing and precision testing and measurement, and in particular relates to a versimeter verification device and a verification method. Background technique [0002] The convergence gauge is suitable for measuring the small change in the distance between two points in any direction around tunnels, roadways, caverns and other engineering surrounding rocks, so as to evaluate the stability of the project, study the deformation development law of the engineering surrounding rock and support, and determine the reasonable support purpose of the parameter. Convergence measurement has been recognized as one of the necessary items in underground engineering measurement projects. The convergent meter verification device is an important precision measuring instrument for calibrating the convergent meter's measurement accuracy, stability and reliability. Currently, there are mainly the fo...
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IPC IPC(8): G01B21/16G01B21/32
CPCG01B21/16G01B21/32
Inventor 王星星
Owner JIUJIANG JINGDA MEASUREMENT TECH