Patents Assigned to Pingdingshan Tianan Coal Mining Co., LTD
  • Double-drum intermediate gear linkage winding type hoisting system
    Patent number: 11299378
    Abstract: A double-drum linkage winding type hoisting system includes a first hoisting drum and a second hoisting drum. The first hoisting drum and the second hoisting drum are engaged and linked through engagement structures on outer circumferences of the first hoisting drum and the second hoisting drum or are linked through a linkage intermediate member. A first hoisting rope is wound around the first hoisting drum. A second hoisting rope is wound around the second hoisting drum. The first hoisting rope and the second hoisting rope are not connected with each other.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: April 12, 2022
    Assignees: TAIYUAN UNIVERSITY OF TECHNOLOGY, Pingdingshan Tianan Coal Mining Co., Ltd
    Inventors: Ziming Kou, Xingzi Tu, Yandong Wang, Juan Wu, Xiaoniu Zhang, Huaxin Chen, Lipeng Zhu, Li'nan Zhang, Bo Huang, Jian Lin
  • Method for designing supporting parameters of transition support for mixed mining face of filling and fully-mechanized mining
    Patent number: 10301939
    Abstract: Disclosed is a method for designing supporting parameters of a transition support for a mixed mining face of filling and fully-mechanized mining.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: May 28, 2019
    Assignees: CHINA UNIVERSITY OF MINING AND TECHNOLOGY, Pingdingshan Tianan Coal Mining Co., LTD, China Pingmei Shenma Energy and Chemical Industry Group Co., LTD, Xuzhou ZhongAn Science & Technology Co., Ltd.
    Inventors: Jixiong Zhang, Jianguo Zhang, Qiang Zhang, Qiang Sun, Wei Yin, WeiQing Zhang, Hao Yan