An automatically positioned fault sample coring device

By using an automatically positioned fault sample collection device, which combines a sliding cylinder and a conical collection head with a GPS locator, the problem of soil sample collection devices being easily damaged and inaccurately positioned in hard soil layers has been solved, achieving efficient sample collection and accurate positioning.

CN224354136UActive Publication Date: 2026-06-12SICHUAN SEISMOLOGICAL BUREAU
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SICHUAN SEISMOLOGICAL BUREAU
Filing Date
2025-07-28
Publication Date
2026-06-12

AI Technical Summary

⚠Technical Problem

Existing soil sampling devices are prone to damage when collecting samples from hard soil layers and have difficulty accurately locating the sample, resulting in sample mixing.

⚗Method used

An automatic positioning fault sample rotary sampling device is used. The hollow mining head is driven by a sliding cylinder to pre-break the soil layer, and the rotating conical mining head collects samples. The GPS locator is used to locate the sample position in real time.

🎯Benefits of technology

It extends the service life of the collection device, avoids sample damage, ensures accurate sample location and numbering, and prevents sample mixing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a fault sample rotary mining device of automatic positioning, including the casing, the inside slide of casing is provided with the slide cylinder, the bottom of slide cylinder is provided with hollow mining head, the inside screw thread cooperation of slide cylinder is provided with the rotary rod who rotates, the bottom of rotary rod is provided with the conical rotary mining head who extends to the inside of hollow mining head, the outer conical surface of conical rotary mining head is provided with spiral groove, the collection cavity who is in communication with spiral groove is provided between rotary rod and slide cylinder, the outlet is provided on the lateral wall of collection cavity and casing, the top of casing is built -in with GPS locator, the utility model discloses can break open the soil layer in advance and then to the soil sample and carry out the rotary mining, effectively prolongs the service life of the collection part, and simultaneously can be positioned automatically in the collection process, and the actual geographic coordinate of collection sample is matched.
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