A hopkinson bar assisted specimen loading device

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By designing a Hopkinson rod auxiliary sample loading device with a stretchable arc tray and a circular snap-fit structure, the problems of friction and complex installation were solved, achieving stable fixation of the sample in the impact test and simplifying the installation, while reducing the impact of the device's own weight on the rod.

CN224535588UActive Publication Date: 2026-07-21GUQIAO COAL MINE OF HUAINAN MINING IND (GRP) CO LTD

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Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: GUQIAO COAL MINE OF HUAINAN MINING IND (GRP) CO LTD
Filing Date: 2025-08-06
Publication Date: 2026-07-21

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Abstract

The utility model relates to rock mechanics technical field, and specifically discloses a kind of Hopkinson bar auxiliary sample loading device, including stretchable arc tray, and stretchable arc tray includes front end fixed tray and rear end telescopic tray. The two ends telescopic sliding connection of front end fixed tray and rear end telescopic tray, and stretchable arc tray has circular buckle correspondingly. The utility model is simple in structure, easy to install, and stronger practicality, and basically will not affect normal impact experiment.

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