Spiral tube micrometer element and micrometer device containing same

Abstract

The invention provides a spiral tube micrometer element and a micrometer device containing the element. A tube body is arranged along a cylindrical spiral track line with equal screw pitch and equal spiral encircling radius and is fixed to become a spiral encircling spiral tube, liquid or a wire rope which is limited by a tube cavity thereof and is adapted to the cylindrical spiral track line with the equal screw pitch is arranged in the spiral tube in a matching mode, the peripheral wall of the wire rope is in clearance fit with the inner periphery wall of the spiral tube, and the wire rope is in moving matching with the inner periphery wall of the spiral tube. The invention has reasonable structure and can greatly enhance the accuracy of the material level variation.

Description

technical field [0001] The invention relates to an amplifying mechanism capable of greatly improving the numerical accuracy of a physical analog quantity to be measured, which belongs to a device whose mechanism is connected between a measuring probe end and a sensor output end, in particular a spiral tube micrometer element and a micrometer device containing the element. Background technique [0002] At present, most micro-measurement devices follow the traditional linear level change liquid level or line displacement, which has limited resolution and low measurement accuracy, especially in the field of scientific research, which leads to relying on basic physical measurement values ​​for subsequent calculations. The test value deviates far from its true value, and if it cannot be controlled within the allowable deviation range, the accuracy and reliability of the subsequent measurement and scientific research data cannot be guaranteed, and it does not meet the conditions of...

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Problems solved by technology

[0002] At present, most micro-measurement devices follow the traditional linear level change liquid level or line displacement, which has limited resolution and low measurement accuracy, especially in the field of scientific research, which leads to relying on basic physical measurement values ​​for subsequent calculations. The test value deviates far from its true value, and if it cannot be controlled within the allowable deviation range, the accuracy and reliability of the subsequent measurement and scientific research data cannot be guaranteed, and it does not meet the conditions of a large number of scientific research experiments, making the subsequent scientific research data Lost meaning, also lost the basis of actual measurement

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