Devices for preventing frost heaving and thawing settlement

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11891771
SERIAL NO

18458262

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The present disclosure provides a device for preventing frost heaving and thawing settlement. The device includes a positioning cylinder, an upper cover, an anti-thawing settlement rod configured to prevent the thawing settlement, and an anti-frost heaving rod configured to prevent the frost heaving. The upper cover is sealingly assembled on a top of the positioning cylinder. A bottom of the positioning cylinder is provided with the anti-frost heaving rod. An upper portion of the positioning cylinder is provided with the anti-thawing settlement rod. The anti-frost heaving rod is provided upwards, and a bottom of the anti-frost heaving rod is rotatably provided on a mounting base of the anti-frost heaving rod through a first connecting screw rod. The anti-thawing settlement rod is provided downwards, and a top of the anti-thawing settlement rod is rotatably provided on a mounting base of the anti-thawing settlement rod through a second connecting screw rod.

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Patent Owner(s)

Patent OwnerAddress
NORTHWEST INSTITUTE OF ECO-ENVIRONMENT AND RESOURCES CASNO 318 DONGGANG WEST ROAD CHENGGUAN DISTRICT LANZHOU

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cao, Yapeng Lanzhou, CN 2 0
Chen, Dun Lanzhou, CN 5 6
Chen, Zhixiang Lanzhou, CN 24 8
Li, Guoyu Lanzhou, CN 4 0
Ma, Wei Lanzhou, CN 140 885
Wang, Buxiang Lanzhou, CN 1 0

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