Patents by Inventor Zhonghua REN

Zhonghua REN 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: 11619131
    Abstract: Some embodiments of the present disclosure provide a six-arm tunneling and anchoring machine for integrating tunneling and anchoring, which includes: a tunneling machine and a roof-bolter connected with each other. The roof-bolter includes roof bolt units, a side bolt unit, and a working platform unit. The tunneling machine includes a frame body, a walking part, a cutting part, a revolving body, a rear support body, a loading mechanism, a conveyor, an electronic control system, a hydraulic system, a spraying system and a cooling system. There are two sets roof bolt units, which are symmetrically arranged on the left and right sides of the frame body, and are located behind a revolving center of the revolving body. Each roof bolt unit is provided with two top anchor bolts.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: April 4, 2023
    Assignee: LANG FANG JING LONG GRAND INDUSTRIAL MACHINERY CO., LTD.
    Inventors: Changyan Pu, Limin Wu, Qi Liu, Yaohui Fan, Zhiguo Jing, Zhonghua Ren, Jingbo Cui
  • Publication number: 20220090498
    Abstract: Some embodiments of the present disclosure provide a six-arm tunneling and anchoring machine for integrating tunneling and anchoring, which includes: a tunneling machine and a roof-bolter connected with each other. The roof-bolter includes roof bolt units, a side bolt unit, and a working platform unit. The tunneling machine includes a frame body, a walking part, a cutting partes, a revolving body, a rear support body, a loading mechanism, a conveyor, an electronic control system, a hydraulic system, a spraying system and a cooling system. There are two sets roof bolt units, which are symmetrically arranged on the left and right sides of the frame body, and are located behind a revolving center of the revolving body. Each roof bolt unit is provided with two top anchor bolts.
    Type: Application
    Filed: January 10, 2020
    Publication date: March 24, 2022
    Inventors: Changyan PU, Limin WU, Qi LIU, Yaohui FAN, Zhiguo JING, Zhonghua REN, Jingbo CUI