Patents by Inventor Qingmei LIU

Qingmei LIU 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).

  • Publication number: 20240068951
    Abstract: A wall-climbing robot system and method for rapid nondestructive inspection of hidden defects in culverts and sluices. The system includes: a robot vehicle body; navigation positioning system and moving system, both mounted on the robot vehicle body; automatic knock inspection system, mounted at the vehicle body front end; mobile ultrasonic rapid inspection system and corrosion inspection system, dual-power system, formed by a non-contact negative pressure adsorption apparatus and rotor booster apparatuses, the non-contact negative pressure adsorption apparatus mounted on the vehicle body bottom, the rotor booster apparatuses mounted on two sides of the vehicle body; and a master controller, communicating with the navigation positioning system, moving system, automatic knock inspection system, mobile ultrasonic rapid inspection system, corrosion inspection system, and dual-power system.
    Type: Application
    Filed: August 9, 2021
    Publication date: February 29, 2024
    Applicant: SHANDONG UNIVERSITY
    Inventors: Zhengfang WANG, Jing WANG, Wenqiang KANG, Hanchi LIU, Yuzhuang WAN, Qingmei SUI
  • Patent number: 11479274
    Abstract: A method for improving fatigue resistance performance of a locomotive rubber-metal pad and the locomotive rubber-metal pad improve the fatigue resistance performance of the rubber-metal pad and prevent rubber and metal from being torn during running by changing a structure of the rubber and the metal of the rubber-metal pad and adjusting a shape and position relationship between the rubber and the metal. The shape and position relationship between the rubber and the metal is adjusted by adjusting thickness of a rubber layer between the rubber and the metal of the rubber-metal pad so that the rubber layer has variable thickness. A rubber layer diameter of each layer is a variable diameter by adjusting a size of the rubber layer diameter between the rubber and the metal of the rubber-metal pad.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: October 25, 2022
    Assignee: Zhuzhou Times New Material Technology Co., Ltd.
    Inventors: Wansheng Feng, Ke Yuan, Qingmei Liu, Bin Zhao
  • Publication number: 20210354733
    Abstract: A method for improving fatigue resistance performance of a locomotive rubber-metal pad and the locomotive rubber-metal pad improve the fatigue resistance performance of the rubber-metal pad and prevent rubber and metal from being torn during running by changing a structure of the rubber and the metal of the rubber-metal pad and adjusting a shape and position relationship between the rubber and the metal. The shape and position relationship between the rubber and the metal is adjusted by adjusting thickness of a rubber layer between the rubber and the metal of the rubber-metal pad so that the rubber layer has variable thickness. A rubber layer diameter of each layer is a variable diameter by adjusting a size of the rubber layer diameter between the rubber and the metal of the rubber-metal pad.
    Type: Application
    Filed: May 22, 2019
    Publication date: November 18, 2021
    Applicant: Zhuzhou Times New Material Technology Co., Ltd.
    Inventors: Wansheng FENG, Ke YUAN, Qingmei LIU, Bin ZHAO
  • Publication number: 20210331720
    Abstract: A method for improving fatigue resistance performance of a locomotive rubber-metal pad with variable thickness improves the fatigue resistance performance of the rubber-metal pad and prevents rubber and metal from being torn during running by changing a structure of the rubber and the metal of the rubber-metal pad and adjusting a shape and position relationship between the rubber and the metal. The shape and the position relationship of the rubber metal is adjusted by adjusting thickness of a rubber layer between the rubber and the metal of the rubber-metal pad so that the rubber layer has variable thickness. The fatigue resistance performance of the rubber-metal pad is improved by adjusting the thickness of the rubber layer.
    Type: Application
    Filed: May 22, 2019
    Publication date: October 28, 2021
    Applicant: Zhuzhou Times New Material Technology Co., Ltd.
    Inventors: Qingmei LIU, Bin ZHAO, Ke YUAN, Wansheng FENG