Coal and rock mass deformation measurement method and device based on strain/displacement conversion
A measuring device and displacement conversion technology, applied in the direction of electric/magnetic solid deformation measurement, electromagnetic measuring device, etc., can solve the problems of the principle of displacement sensor and the limitation of the shape characteristics of the measurement method, so as to reduce the volume of the sensor, reduce the cost of the device, and facilitate large-scale The effect of scaling up
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[0038] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. The described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0039] First, a specific embodiment of the method for measuring coal and rock mass deformation based on strain / displacement conversion of the present invention is given:
[0040] Before measuring, it is necessary to drill holes on the coal wall of the coal mining face at a certain drilling diameter and depth, and then use the push rod to push the measuring device into the bottom of the hole as a whole. During the pushing process, it is necessary to prevent the movement of the anchor claws. The d...
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