Patents by Inventor Huaxuan Xu

Huaxuan Xu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Protecting trolley and construction method of rock burst prewarning protection system in non-contact tunnel construction
    Patent number: 11920474
    Abstract: Provided are a protecting trolley and a construction method of rock burst prewarning protection system in non-contact tunnel construction. The protecting trolley includes a framework, a walking assembly, a rockfall buffering assembly, a spraying assembly and a rock burst prewarning system. The rockfall buffering assembly includes an arch frame in a fixed connection with the framework and a protecting net fixed on the arch frame. The spraying assembly includes a track car in connection with the rockfall buffering assembly and a spraying hose fixed on the track car, and the spraying hose sprays towards the surrounding rock. The rock burst prewarning assembly includes a thermosensitive infrared sensor used for detecting the temperature of the surrounding rock and a highly sensitive laser sensor used for detecting the deformation of the surrounding rock.
    Type: Grant
    Filed: January 17, 2022
    Date of Patent: March 5, 2024
    Assignees: CHINA RAILWAY 16TH BUREAU GROUP CO., LTD., CHINA RAILWAY 16TH BUREAU GROUP BEIJING JIANGONG MACHINERY CO., LTD.
    Inventors: Dong Ma, Wuxian Wang, Yi Sun, Qinghong Wu, Binhua Wu, Huaxuan Xu
  • PROTECTING TROLLEY AND CONSTRUCTION METHOD OF ROCK BURST PREWARNING PROTECTION SYSTEM IN NON-CONTACT TUNNEL CONSTRUCTION
    Publication number: 20220136391
    Abstract: Provided are a protecting trolley and a construction method of rock burst prewarning protection system in non-contact tunnel construction. The protecting trolley includes a framework, a walking assembly, a rockfall buffering assembly, a spraying assembly and a rock burst prewarning system. The rockfall buffering assembly includes an arch frame in a fixed connection with the framework and a protecting net fixed on the arch frame. The spraying assembly includes a track car in connection with the rockfall buffering assembly and a spraying hose fixed on the track car, and the spraying hose sprays towards the surrounding rock. The rock burst prewarning assembly includes a thermosensitive infrared sensor used for detecting the temperature of the surrounding rock and a highly sensitive laser sensor used for detecting the deformation of the surrounding rock.
    Type: Application
    Filed: January 17, 2022
    Publication date: May 5, 2022
    Inventors: Dong Ma, Wuxian Wang, Yi Sun, Qinghong Wu, Binhua Wu, Huaxuan Xu