Patents by Inventor QINGYONG DU

QINGYONG DU 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).

  • Patent number: 11199091
    Abstract: A cageway connecting device and connecting method thereof is invented, the device includes a connecting cageway, an upper cannula, a lower cannula, two first steel angles, a fixed block, a pin boss and a fixed pin. The connecting cageway is set between the upper cageway and the lower cageway. The upper cannula is fixed in the connecting cageway. The lower cannula is fixed in the connecting cageway. The two first steel angles are fixed on the connecting cageway. The fixed block is fixed on the upper cannula. The pin boss is fixed on the lower cageway. The fixed pin is passed through the first pin bore and inserted into the second pin bore. The invention improve the accuracy of the initial installation of the cageway and facilitate the replacement of the cageway. The first cageway beam is determined and controllable.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: December 14, 2021
    Assignees: Hefei Design & Research Inst. Of Coal Industry Co., LTD., Hefei University, Xuzhou Coal Mine Safety Equipment Manufacture Co., LTD.
    Inventors: Qiang Qin, Hongxin Yan, Changhua Hu, Qingyong Du, Jianguo Ding
  • Patent number: 10988347
    Abstract: A large-tonnage coal dropping buffer skip for a mine is disclosed. A loading skip box (14) is installed at the top of a large-tonnage skip (12), a coal dropping buffer device (13) is arranged on the inner sidewall of the large-tonnage skip (12), and the coal dropping buffer device (13) includes: a frame (1) fixedly connected with the inner sidewall of the large-tonnage skip (12); a lining plate guide frame (6) connected with the frame (1) through shock absorbers (2), guide sliding grooves being formed in the lining plate guide frame (6); a lining plate support (4) slidably nested in the guide sliding grooves in the lining plate guide frame (6), hoisting lugs (9) for hoisting being arranged at the top end of the lining plate support (4); and a lining plate (5) detachably connected with the lining plate support (4) through fasteners (7).
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: April 27, 2021
    Assignees: China University of Mining and Technology, XUZHOU COAL MINE SAFETY EQUIPMENT MANUFACTURE CO., LTD.
    Inventors: Yuxing Peng, Zhencai Zhu, Gongbo Zhou, Changhua Hu, Qingyong Du, Hao Lu, Guohua Cao, Songyong Liu, Gang Shen
  • Publication number: 20200339388
    Abstract: A large-tonnage coal dropping buffer skip for a mine is disclosed. A loading skip box (14) is installed at the top of a large-tonnage skip (12), a coal dropping buffer device (13) is arranged on the inner sidewall of the large-tonnage skip (12), and the coal dropping buffer device (13) includes: a frame (1) fixedly connected with the inner sidewall of the large-tonnage skip (12); a lining plate guide frame (6) connected with the frame (1) through shock absorbers (2), guide sliding grooves being formed in the lining plate guide frame (6); a lining plate support (4) slidably nested in the guide sliding grooves in the lining plate guide frame (6), hoisting lugs (9) for hoisting being arranged at the top end of the lining plate support (4); and a lining plate (5) detachably connected with the lining plate support (4) through fasteners (7).
    Type: Application
    Filed: September 4, 2019
    Publication date: October 29, 2020
    Applicants: China University of Mining and Technology, XUZHOU COAL MINE SAFETY EQUIPMENT MANUFACTURE CO., LTD.
    Inventors: Yuxing PENG, Zhencai ZHU, Gongbo ZHOU, Changhua HU, Qingyong DU, Hao LU, Guohua CAO, Songyong LIU, Gang SHEN
  • Publication number: 20200232321
    Abstract: A cageway connecting device and connecting method thereof is invented, the device includes a connecting cageway, an upper cannula, a lower cannula, two first steel angles, a fixed block, a pin boss and a fixed pin. The connecting cageway is set between the upper cageway and the lower cageway. The upper cannula is fixed in the connecting cageway. The lower cannula is fixed in the connecting cageway. The two first steel angles are fixed on the connecting cageway. The fixed block is fixed on the upper cannula. The pin boss is fixed on the lower cageway. The fixed pin is passed through the first pin bore and inserted into the second pin bore. The invention improve the accuracy of the initial installation of the cageway and facilitate the replacement of the cageway. The first cageway beam is determined and controllable.
    Type: Application
    Filed: April 8, 2020
    Publication date: July 23, 2020
    Inventors: Qiang Qin, Hongxin Yan, Changhua Hu, Qingyong Du, Jianguo Ding
  • Patent number: 9914618
    Abstract: A device for monitoring tension equalization and displacement adjustment states of steel wire ropes of a multi-rope hoister includes a displacement sensor mounted on a steel wire rope tension equalization device, a signal acquisition transmitter designed to store and transmit signals of the displacement sensor, a barometric altimeter designed to detect the depth of a mine shaft where a hoisting container is located, and a wireless receiving and processing system arranged at the well mouth of the mine shaft.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: March 13, 2018
    Assignees: China University of Mining and Technology, Xuzhou Coal Mine Safety Equipment Manufacture Co., Ltd.
    Inventors: Zhencai Zhu, Guohua Cao, Gongbo Zhou, Changhua Hu, Wei Li, Guoan Chen, Yuxing Peng, Qingyong Du, Ronghua Wu
  • Patent number: 9878882
    Abstract: The present invention provides a large-tonnage slender externally powered rail-mounted unloading skip, comprising an upper bin body and a lower bin body that are respectively formed by an inner lining plate and an outer plate fixed together via a number of pin shafts, a self-locking gate, and a gate opening device.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: January 30, 2018
    Assignees: Xuzhou Coal Mine Safety Equipment Manufacture Co., Ltd., China University of Mining and Technology
    Inventors: Zhencai Zhu, Gongbo Zhou, Changhua Hu, Guohua Cao, Wei Li, Guoan Chen, Yuxing Peng, Qingyong Du, Miao Wang
  • Patent number: 9695017
    Abstract: An adjustable intermediate disk body of large double-layer cage comprises cage columns, a main intermediate disk body, and a chain block and a connecting piece. An intermediate disk guide rail beam is arranged on the inner side of the cage columns, wedge bases are symmetrically arranged on the two sides of the lower part of the intermediate disk guide rail beam, a limited block with a bolt hole is arranged on the upper part of the intermediate disk guide rail beam, and an anti-disengaging plate is arranged on the intermediate disk guide rail beam.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: July 4, 2017
    Assignees: China University of Mining and Technology, Xuzhou Coal Mine Safety Equipment Manufacture Co., Ltd.
    Inventors: Zhencai Zhu, Gongbo Zhou, Changhua Hu, Guohua Cao, Wei Li, Guoan Chen, Yuxing Peng, Qingyong Du, Zhi Liu
  • Publication number: 20160207736
    Abstract: A device for monitoring tension equalization and displacement adjustment states of steel wire ropes of a multi-rope hoister includes a displacement sensor mounted on a steel wire rope tension equalization device, a signal acquisition transmitter designed to store and transmit signals of the displacement sensor, a barometric altimeter designed to detect the depth of a mine shaft where a hoisting container is located, and a wireless receiving and processing system arranged at the well mouth of the mine shaft.
    Type: Application
    Filed: March 26, 2014
    Publication date: July 21, 2016
    Inventors: Zhencai Zhu, Guohua Cao, Gongbo Zhou, Changhua Hu, Wei Li, Guoan Chen, Yuxing Peng, Qingyong Du, Ronghua Wu
  • Publication number: 20160207740
    Abstract: An adjustable intermediate disk body of large double-layer cage comprises cage columns, a main intermediate disk body, and a chain block and a connecting piece. An intermediate disk guide rail beam is arranged on the inner side of the cage columns, wedge bases are symmetrically arranged on the two sides of the lower part of the intermediate disk guide rail beam, a limited block with a bolt hole is arranged on the upper part of the intermediate disk guide rail beam, and an anti-disengaging plate is arranged on the intermediate disk guide rail beam.
    Type: Application
    Filed: March 26, 2014
    Publication date: July 21, 2016
    Inventors: Zhencai Zhu, Gongbo Zhou, Changhua Hu, Guohua Cao, Wei Li, Guoan Chen, Yuxing Peng, Qingyong Du, Zhi Liu
  • Publication number: 20150368072
    Abstract: The present invention provides a large-tonnage slender externally powered rail-mounted unloading skip, comprising an upper bin body and a lower bin body that are respectively formed by an inner lining plate and an outer plate fixed together via a number of pin shafts, a self-locking gate, and a gate opening device.
    Type: Application
    Filed: March 26, 2014
    Publication date: December 24, 2015
    Inventors: ZHENCAI ZHU, GONGBO ZHOU, CHANGHUA HU, GUOHUA CAO, WEI LI, GUOAN CHEN, YUXING PENG, QINGYONG DU, MIAO WANG