公开(公告)号：US12055533B1

公开(公告)日：2024-08-06

申请号：US18644069

申请日：2024-04-23

Applicant: NORTHWEST INSTITUTE OF ECO-ENVIRONMENT AND RESOURCES, CAS

Inventor： Guoyu Li ,  Buxiang Wang ,  Dun Chen ,  Qingsong Du

IPC: G01N33/18

CPC classification number: G01N33/1886 ,  G01N33/1826

Abstract: A monitoring device for methane gas in a hot thaw lake pond in a tundra region is provided, comprising a top plate, an adjusting mechanism, and a monitoring mechanism. A bottom portion of the top plate is fixedly connected with a fixed column, and the fixed column is slidably mounted on the adjusting mechanism. The monitoring mechanism is connected to the adjusting mechanism, and the monitoring mechanism controls entry and exit of water to be detected and detect a methane gas in the water. The position of the mounting cylinder of the monitoring mechanism is adjusted by an electric push rod to facilitate the monitoring of methane concentration at different positions. In the mounting cylinder of the monitoring mechanism, a turntable with a filter membrane that is lifted and rotated is provided to facilitate controlling the direction of liquid movement while promoting the upward movement of the gas to detect methane concentration, and the liquid periodically to detect the methane concentration, which achieves the purpose of detecting the methane concentration by periodic liquid replacement. Additionally, the present disclosure also provides a debris removal mechanism that is capable of scraping weeds from the outside of the mounting cylinder.

公开(公告)号：US12065797B1

公开(公告)日：2024-08-20

申请号：US18645469

申请日：2024-04-25

Applicant: NORTHWEST INSTITUTE OF ECO-ENVIRONMENT AND RESOURCES, CAS

Inventor： Guoyu Li ,  Yapeng Cao ,  Sai Ying ,  Dun Chen ,  Qingsong Du

IPC: E02D31/14 ,  E02D5/80

CPC classification number: E02D31/14 ,  E02D5/80 ,  E02D2600/10

Abstract: The present disclosure provides a rod-type pile foundation for preventing a pile body from being heaved and an operating method. The rod-type pile foundation comprises a base, a support block fixed inside the base, a support plate movably disposed at a top of the support block by a guide structure, and an anti-frost heaving component located at a lower portion of the support block. The anti-frost heaving component includes a first connecting rod rotationally connected with the support block and one or more telescopic rods. One end of each of the telescopic rods is fixed on the first connecting rod. A scraping plate is fixed at another end of each of the telescopic rods. The support plate is in transmission connection with the first connecting rod through a transmission component. The transmission component converts a vertical linear motion of the support plate into a rotation of the first connecting rod.