The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 06, 2024

Filed:

Aug. 30, 2023
Applicant:

Northwest Institute of Eco-environment and Resources, Cas, Gansu, CN;

Inventors:

Yapeng Cao, Lanzhou, CN;

Guoyu Li, Lanzhou, CN;

Wei Ma, Lanzhou, CN;

Zhixiang Chen, Lanzhou, CN;

Buxiang Wang, Lanzhou, CN;

Dun Chen, Lanzhou, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02D 31/14 (2006.01); E02D 27/34 (2006.01);
U.S. Cl.
CPC ...
E02D 31/14 (2013.01); E02D 27/34 (2013.01); E02D 2200/1685 (2013.01); E02D 2600/40 (2013.01);
Abstract

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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