Inner diameter laser measuring device and method based on thermocouple sampler paper tube processing

By designing an electric push rod and auxiliary components to clean impurities from the inner wall of the paper tube, the problem of paper debris affecting measurement accuracy in existing technologies has been solved, achieving efficient inner diameter measurement and stable installation.

CN122062584APending Publication Date: 2026-05-19TAIZHOU WEIQING MECHANICAL & ELECTRICAL EQUIPMENT CO LTD
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Patent Information

Application Number
CN202610475785.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-04-13
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

Existing thermocouple samplers have paper tubes with paper scraps and other impurities adhering to their inner walls during laser measurement, affecting measurement accuracy and causing difficulties in cleaning, as well as posing risks of installation difficulties and unstable temperature measurement.

Method used

A measuring device comprising an electric push rod, a laser rangefinder, auxiliary components, and a cleaning mechanism was designed. The device uses an electromagnet to drive an annular plate and a rubber ring to clean paper scraps, and combines an airbag and a nozzle to remove impurities, ensuring measurement accuracy.

Benefits of technology

It effectively cleans impurities from the inner wall of the paper tube, improves measurement accuracy, reduces paper residue, ensures long-term stable use of the laser rangefinder sensor, and avoids installation difficulties and unstable temperature measurement.

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Abstract

The invention relates to the technical field of measuring devices, and particularly discloses an inner diameter laser measuring device and method based on thermocouple sampler paper tube processing, and the device comprises a measuring mechanism for measuring the inner diameter of a paper tube, the measuring mechanism comprises a first auxiliary assembly and a tube body, and the outer wall of one end, away from an electric push rod, of the tube body is sleeved with a sleeve; according to the device, paper scraps and the like adhered to the inner wall of a paper tube are scraped off through reciprocating motion of a first annular plate, the torn scraps are drawn away through a first conveying pipe and the like, the amount of the scraps remaining in the paper tube is reduced, and the paper tube is prevented from being scraped off through the first conveying pipe and the like. And a relatively sealed space is formed between the first annular plate and the second annular plate, so that leakage of suction force is reduced, the effect of sucking away chippings is improved, and the influence of the chippings on subsequent laser measurement is reduced.
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