Patents by Inventor Zhencai Zhu

Zhencai Zhu 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: 11938974
    Abstract: A series-parallel monorail hoist based on an oil-electric hybrid power and a controlling method thereof. The monorail hoist includes a cabin, a hydraulic driving system, a lifting beam, a gear track driving and energy storage system, and a speed adaptive control system connected in series with each other and travelling on a track. The monorail hoist is capable of implementing an independent drive by an electric motor or a diesel engine in an endurance mode, a hybrid drive of the electric motor and the diesel engine in a transportation mode, and a hybrid drive of the diesel engine and a flywheel energy storage system in a climbing mode, according to different operating conditions that include conditions of an upslope, a downslope and a load. Power requirements for the monorail hoist under various operating conditions are satisfied, and the excess energy is recovered during the process of travelling.
    Type: Grant
    Filed: September 30, 2022
    Date of Patent: March 26, 2024
    Assignees: CHINA UNIVERSITY OF MINING AND TECHNOLOGY, XUZHOU LIREN MONORAIL TRANSPORTATION EQUIPMENT CO., LTD.
    Inventors: Zhencai Zhu, Hao Lu, Yuxing Peng, Gongbo Zhou, Yu Tang, Hua Chen, Zaigang Xu, Mingzhong Wang, Mai Du, Fuping Zheng
  • Publication number: 20240089879
    Abstract: The present disclosure discloses a time service and positioning network system for an underground chain-shaped large space in a coal mine. The system adopts a base station-level network internal time synchronization method which takes an optical fiber time service as a main part and takes a satellite time service as an auxiliary part to construct a time service and positioning network system with an unified time within the ad-hoc network base stations, based on the ad-hoc network base stations linearly arranged in the underground chain-shaped large space in the coal mine. Through the network construction, the network stabilization and the network application, the system unifies the time reference of the base station-level network and improves the positioning accuracy of the network application by utilization of the base station-level network internal time synchronization method.
    Type: Application
    Filed: September 30, 2022
    Publication date: March 14, 2024
    Inventors: Gongbo ZHOU, Chuansheng ZHANG, Fan JIANG, Lianfeng HAN, Shudong WANG, Xin LIU, Duifang GU, Tao WANG, Chuansong WANG, Libing WANG, Niansheng LIU, Fuxing SHI, Dongrun LIU, Lizheng LI, Zhencai ZHU
  • Patent number: 11930463
    Abstract: The present disclosure discloses a time service and positioning network system for an underground chain-shaped large space in a coal mine. The system adopts a base station-level network internal time synchronization method which takes an optical fiber time service as a main part and takes a satellite time service as an auxiliary part to construct a time service and positioning network system with an unified time within the ad-hoc network base stations, based on the ad-hoc network base stations linearly arranged in the underground chain-shaped large space in the coal mine. Through the network construction, the network stabilization and the network application, the system unifies the time reference of the base station-level network and improves the positioning accuracy of the network application by utilization of the base station-level network internal time synchronization method.
    Type: Grant
    Filed: September 30, 2022
    Date of Patent: March 12, 2024
    Assignees: CHINA UNIVERSITY OF MINING AND TECHNOLOGY, XUZHIU KERUI MINING TECHNOLOGY CO., LTD.
    Inventors: Gongbo Zhou, Chuansheng Zhang, Fan Jiang, Lianfeng Han, Shudong Wang, Xin Liu, Duifang Gu, Tao Wang, Chuansong Wang, Libing Wang, Niansheng Liu, Fuxing Shi, Dongrun Liu, Lizheng Li, Zhencai Zhu
  • Patent number: 11919748
    Abstract: A hoist for transferred materials in an underground auxiliary transportation system and a method thereof. The hoist includes a hoist body, guiding plates mounted at two ends of the hoist body through bolts, twist locks mounted at four ends of the hoist body, a driving unit configured to drive twist locks to rotate, transmission assemblies configured to connect the twist locks with the driving unit, ejector pins configured to prevent the twist locks from rotating mistakenly, and a sensor configured to control the hoist to operate and provide protection safety.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: March 5, 2024
    Assignees: CHINA UNIVERSITY OF MINING AND TECHNOLOGY, Changzhou Development & Manufacture Centre Co., Ltd., XUZHOU COAL MINE SAFETY EQUIPMENT MANUFACTURE CO., LTD.
    Inventors: Chi Ma, Yuxing Peng, Zhencai Zhu, Meilin Wang, Changhua Hu, Fahui Shi, Xingming Xiao, Jun Qian, Fan Jiang, Yunwang Li, Dagang Wang, Qihang Yu
  • Publication number: 20240043247
    Abstract: A high-precision positioning system for a monorail hoist in a mine includes two gear carriers symmetrically arranged on both sides of an I-beam track. Each of the gear carriers includes a positioning wheel and a plurality of travelling wheels. The travelling wheels are travelling on an upper end face of a bottom plate of the I-beam track, and the positioning wheel is in engagement transmission with a rack at a lower end of the bottom plate of the I-beam track. The gear carriers include an installation bracket and a connecting seat configured to connect the monorail hoist. The installation bracket includes an inertial measuring unit and a single-chip microcomputer that are electrically connected with each other. The positioning wheel includes a rotation angle sensor and the rotation angle sensor is electrically connected to the single-chip microcomputer. A headstock at both ends of the monorail hoist includes a coordinate updating unit.
    Type: Application
    Filed: September 30, 2022
    Publication date: February 8, 2024
    Inventors: Hao LU, Zhencai ZHU, Yidong ZHANG, Yuxing PENG, Yu TANG, Hua CHEN, Zaigang XU, Mingzhong WANG, Mai DU, Hengzhen HU, Fuping ZHENG
  • Patent number: 11893547
    Abstract: An intelligent reliability evaluation and service life prediction method for a kilometer deep well hoist brake, the method including: the establishment of a digital twin model for a hoist brake, data acquisition and synchronization, and reliability evaluation and service life prediction, wherein the digital twin model for the hoist brake can accurately reflect actual physical characteristics of the hoist brake, the data acquisition and synchronization can realize real-time mapping between a physical entity of the hoist brake and the digital twin model therefor, and furthermore, on the basis of the digital twin model for the hoist brake, the reliability evaluation and service life prediction are realized. Digital twin technology is combined with a reliability analysis method, so that real-time updating of reliability evaluation and service life prediction of the hoist brake are realized.
    Type: Grant
    Filed: February 23, 2021
    Date of Patent: February 6, 2024
    Assignee: China University of Mining and Technology
    Inventors: Hao Lu, Zhencai Zhu, Yuxing Peng, Gongbo Zhou, Gang Shen, Yu Tang, Xiang Li, Wei Wang
  • Patent number: 11880208
    Abstract: A method for drivable area detection and autonomous obstacle avoidance of unmanned haulage equipment in deep confined spaces is disclosed, which includes the following steps: acquiring 3D point cloud data of a roadway; computing a 2D image drivable area of the coal mine roadway; acquiring a 3D point cloud drivable area of the coal mine roadway; establishing a 2D grid map and a risk map, and performing autonomous obstacle avoidance path planning by using a particle swarm path planning method designed for deep confined roadways; and acquiring an optimal end point to be selected of a driving path by using a greedy strategy, and enabling an unmanned auxiliary haulage vehicle to drive according to the optimal end point and an optimal path. Images of a coal mine roadway are acquired actively by use of a single-camera sensor device.
    Type: Grant
    Filed: February 23, 2022
    Date of Patent: January 23, 2024
    Assignee: CHINA UNIVERSITY OF MINING AND TECHNOLOGY
    Inventors: Chunyu Yang, Zhencai Zhu, Yidong Zhang, Xin Zhang, Zhen Gu, Qingguo Wang
  • Publication number: 20230382691
    Abstract: The present disclosure provides a hoist for transferred materials in an underground auxiliary transportation system and a method thereof. The hoist includes a hoist body, guiding plates mounted at two ends of the hoist body through bolts, twist locks mounted at four ends of the hoist body, a driving unit configured to drive twist locks to rotate, transmission assemblies configured to connect the twist locks with the driving unit, ejector pins configured to prevent the twist locks from rotating mistakenly, and a sensor configured to control the hoist to operate and provide protection safety. The hoist provided by the present disclosure can satisfy the ground-to-air and ground-to-ground transferring requirements for underground materials, and the safety protection sensors can prevent a misoperation of the hoist, can adapt to standard containers of different sizes, has a certain adaptability to narrow terrains, and can improve the stability of the overall mechanism in cooperation with the rope-pulling mechanism.
    Type: Application
    Filed: May 23, 2022
    Publication date: November 30, 2023
    Inventors: Chi MA, Yuxing PENG, Zhencai ZHU, Meilin WANG, Changhua HU, Fahui SHI, Xingming XIAO, Jun QIAN, Fan JIANG, Yunwang LI, Dagang WANG, Qihang YU
  • Patent number: 11807465
    Abstract: The present disclosure provides a system for monitoring a scraper chain based on a measurement on transmittance of a torsion spring and a method thereof. The system includes a sprocket-wheel torsion detection device, a fixing device, a wireless receiver, an A/D converter and an industrial computer. In the method, the relative torsion of the two sprocket wheels is converted into the density change of the torsion spring, the light transmission area is converted into the current value by the laser sensing panel, a varying range of the torsion spring is calculated by the industrial computer through the preset threshold and its own program to monitor the operating conditions of the chain. The method has a novel concept, a stable and reliable system, and a high promotion value.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: November 7, 2023
    Assignee: CHINA UNIVERSITY OF MINING AND TECHNOLOGY
    Inventors: Hao Lu, Hui Jiang, Zhencai Zhu, Guohua Cao, Yuxing Peng, Gongbo Zhou, Gang Shen, Fan Jiang, Yu Tang, Xiang Li, Wei Wang
  • Publication number: 20230348238
    Abstract: The present disclosure belongs to the technical field of mining equipment, and in particular related to an automatic driving system of a monorail hoist driven based on a digital twin and a method thereof. The system includes a railroad switch sensor module, a positioning system module, a data transferring system, an intelligent control system, a digital twin system and an automatic driving module. The railroad switch sensor module is configured to sense the connection-position state of a movable track in a monorail hoist railroad switch track. The data transferring system is configured to transmit the data on the surface and underground. A bidirectional transmission is performed between the intelligent control system and the railroad switch sensor module, a bidirectional transmission is performed between the intelligent control system and the positioning system module, and a bidirectional transmission is performed between the digital twin system and the intelligent control system.
    Type: Application
    Filed: March 4, 2022
    Publication date: November 2, 2023
    Applicants: China University of Mining and Technology, Xuzhou Liren Monorail Transportation Equipment Co., Ltd.
    Inventors: Zhencai ZHU, Hao LU, Yidong ZHANG, Hengzhen HU, Fuping ZHENG, Yu TANG, Kang XU, Yuzhu ZHANG
  • Publication number: 20230349295
    Abstract: The present application relates to an attitude self-correcting underground transportation apparatus based on UWB technology and a control method thereof. A transport clamping and fastening mechanism is mounted on an upper surface of an upper platform part of a six-degree-of-freedom motion platform. An attitude perception and sensing set at least includes three UWB tags, the UWB tags in the attitude perception and sensing set being evenly distributed on the side of the upper platform part of the six-degree-of-freedom motion platform. A control module is configured to send an electric signal to drive the six-degree-of-freedom motion platform and the transport clamping and fastening mechanism to grip an object to be transported, collect positioning information of the attitude perception and sensing set, calculate the attitude of the six-degree-of-freedom motion platform in real time, and perform attitude adjustment with reference to an expected position and attitude to maintain a smooth transportation process.
    Type: Application
    Filed: August 31, 2022
    Publication date: November 2, 2023
    Applicant: China University of Mining and Technology
    Inventors: Gang SHEN, Zhencai ZHU, Song QU, Yunjie SA, Yu TANG, Xiang LI, Guan YUAN, Zhiou XU, Jiaqi ZHAO, Pengpeng CHEN
  • Publication number: 20230331263
    Abstract: The present disclosure discloses a low-energy-consumption grading and positioning method and system for a coal mine auxiliary transportation vehicle, which belongs to the technical field of mine tunnel transportation.
    Type: Application
    Filed: September 30, 2022
    Publication date: October 19, 2023
    Inventors: Zhencai ZHU, Fan JIANG, Xingtao HUANG, Gongbo ZHOU, Niansheng LIU, Libing WANG, Chuansheng ZHANG, Junfeng GUO, Gang SHEN, Shuman CHENG, Jinlei MA, Chaofan ZHANG, Wenwen YI
  • Patent number: 11772687
    Abstract: The present disclosure discloses a low-energy-consumption grading and positioning method and system for a coal mine auxiliary transportation vehicle, which belongs to the technical field of mine tunnel transportation.
    Type: Grant
    Filed: September 30, 2022
    Date of Patent: October 3, 2023
    Assignees: China University of Mining and Technology, Xuzhou Kerui Mining Technology Co., LTD
    Inventors: Zhencai Zhu, Fan Jiang, Xingtao Huang, Gongbo Zhou, Niansheng Liu, Libing Wang, Chuansheng Zhang, Junfeng Guo, Gang Shen, Shuman Cheng, Jinlei Ma, Chaofan Zhang, Wenwen Yi
  • Publication number: 20230303130
    Abstract: A series-parallel monorail hoist based on an oil-electric hybrid power and a controlling method thereof. The monorail hoist includes a cabin, a hydraulic driving system, a lifting beam, a gear track driving and energy storage system, and a speed adaptive control system connected in series with each other and travelling on a track. The monorail hoist is capable of implementing an independent drive by an electric motor or a diesel engine in an endurance mode, a hybrid drive of the electric motor and the diesel engine in a transportation mode, and a hybrid drive of the diesel engine and a flywheel energy storage system in a climbing mode, according to different operating conditions that include conditions of an upslope, a downslope and a load. Power requirements for the monorail hoist under various operating conditions are satisfied, and the excess energy is recovered during the process of travelling.
    Type: Application
    Filed: September 30, 2022
    Publication date: September 28, 2023
    Inventors: Hao LU, Zhencai ZHU, Yidong ZHANG, Hua CHEN, Zaigang XU, Mingzhong WANG, Mai DU, Hengzhen HU, Fuping ZHENG
  • Publication number: 20230305572
    Abstract: A method for drivable area detection and autonomous obstacle avoidance of unmanned haulage equipment in deep confined spaces is disclosed, which includes the following steps: acquiring 3D point cloud data of a roadway; computing a 2D image drivable area of the coal mine roadway; acquiring a 3D point cloud drivable area of the coal mine roadway; establishing a 2D grid map and a risk map, and performing autonomous obstacle avoidance path planning by using an improved particle swarm path planning method designed for deep confined roadways; and acquiring an optimal end point to be selected of a driving path by using a greedy strategy, and enabling an unmanned auxiliary haulage vehicle to drive according to the optimal end point and an optimal path.
    Type: Application
    Filed: February 23, 2022
    Publication date: September 28, 2023
    Inventors: Chunyu YANG, Zhencai ZHU, Yidong ZHANG, Xin ZHANG, Zhen GU
  • Patent number: 11761334
    Abstract: An apparatus includes a current excitation source, a roadheader telescopic protection cylinder, an electric rotating apparatus, auxiliary cutting teeth, a cutting head entity, a transmission shaft, an optical fiber ring protective housing, an optical fiber ring, an optical fiber current sensor control unit and a recovery electrode. The apparatus transmits an auxiliary current Ie and a monitoring current Id to a coal seam. The auxiliary current Ie and the monitoring current Id are homologous currents that are incompatible, and the auxiliary current Ie squeezes the monitoring current Id, so the monitoring current Id monitors the environment of the coal seam. The monitoring current Id flows to the coal seam as, and a return current If flows through the transmission shaft and a roadheader expansion part. The optical fiber ring measures the return current If, when the roadheader is heading forward and encounters abnormal geological bodies.
    Type: Grant
    Filed: January 17, 2022
    Date of Patent: September 19, 2023
    Assignee: CHINA UNIVERSITY OF MINING AND TECHNOLOGY
    Inventors: Shaoyi Xu, Zhencai Zhu, Wei Li, Wenting Lu, Gang Shen, Songyong Liu, Fangfang Xing, Hongxiang Jiang, Lei Si
  • Patent number: 11738973
    Abstract: A gear-track-detachable driving device in a monorail crane for a steep slope includes a driving mechanism, a traveling mechanism, a four-bar linkage mechanism, a connection mechanism, a meshing track plate and transition track plates. The driving mechanism includes driving motors, meshing gears, a bearing rod, and a bearing plate. The traveling mechanism includes traveling wheels, clamping wheels, a shell and telescopic struts. The linkage mechanism includes first and second rockers, a linkage, and a cylinder. The connection mechanism includes fixation plates, a connection plate and connection bolts. When the crane travels to the slope front, the cylinder drives the linkage mechanism to send the meshing gears onto the transition track and adjusts the linkage mechanism into a dead point state, and the telescopic struts are locked. After the crane enters the slope, the meshing gears cooperate with the meshing track plate to provide an auxiliary drive for the crane.
    Type: Grant
    Filed: March 25, 2022
    Date of Patent: August 29, 2023
    Assignees: CHINA UNIVERSITY OF MINING AND TECHNOLOGY, XUZHOU LIREN MONORAIL TRANSPORTATION EQUIPMENT CO., LTD.
    Inventors: Hao Lu, Zhencai Zhu, Yidong Zhang, Yuxing Peng, Mai Du, Hengzhen Hu, Fuping Zheng, Yu Tang
  • Patent number: 11691846
    Abstract: The present invention discloses a hoisting container pose control method of a double-rope winding type ultra-deep vertical shaft hoisting system. The method comprises the following steps of step 1, building a mathematical model of a double-rope winding type ultra-deep vertical shaft hoisting subsystem; step 2, building a position closed-loop mathematical model of an electrohydraulic servo subsystem; step 3, outputting a flatness characteristics of a nonlinear system; step 4, designing a pose leveling flatness controller of a double-rope winding type ultra-deep vertical shaft hoisting subsystem; and step 5, designing a position closed-loop flatness controller of the electrohydraulic servo subsystem.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: July 4, 2023
    Assignee: China University of Mining and Technology
    Inventors: Gang Shen, Zhencai Zhu, Xiang Li, Yu Tang, Guohua Cao, Gongbo Zhou, Songyong Liu, Yuxing Peng, Hao Lu
  • Patent number: 11691854
    Abstract: A bidirectional anti-slipping apparatus includes a vehicle following stabilizing mechanism, a track, and two front and rear sets of locking mechanisms with opposite directions. The vehicle following stabilizing mechanism includes a protective shell, a middle vehicle capable of sliding and a hydraulic cylinder configured to control the middle vehicle to slide are arranged in the protective shell, a front vehicle and a rear vehicle are respectively fixed at two front and rear ends of the protective shell. Each locking mechanism includes two left and right groups of ratchet devices, each of the ratchet devices includes a fixing rod, a plurality of inner ratchet wheels capable of rotating unidirectionally are respectively fixed at two ends of the fixing rod on one side of the fixing rod proximate to the track, the inner ratchet wheels on the two front and rear sets of locking mechanisms rotate in opposite directions.
    Type: Grant
    Filed: January 20, 2023
    Date of Patent: July 4, 2023
    Assignees: CHINA UNIVERSITY OF MINING AND TECHNOLOGY, XUZHOU LIREN MONORAIL TRANSPORTATION EQUIPMENT CO., LTD.
    Inventors: Hao Lu, Zhencai Zhu, Yidong Zhang, Yuxing Peng, Mai Du, Hengzhen Hu, Fuping Zheng, Yu Tang
  • Publication number: 20230192453
    Abstract: A gear-track-detachable driving device in a monorail crane for a steep slope includes a driving mechanism, a traveling mechanism, a four-bar linkage mechanism, a connection mechanism, a meshing track plate and transition track plates. The driving mechanism includes driving motors, meshing gears, a bearing rod, and a bearing plate. The traveling mechanism includes traveling wheels, clamping wheels, a shell and telescopic struts. The linkage mechanism includes first and second rockers, a linkage, and a cylinder. The connection mechanism includes fixation plates, a connection plate and connection bolts. When the crane travels to the slope front, the cylinder drives the linkage mechanism to send the meshing gears onto the transition track and adjusts the linkage mechanism into a dead point state, and the telescopic struts are locked. After the crane enters the slope, the meshing gears cooperate with the meshing track plate to provide an auxiliary drive for the crane.
    Type: Application
    Filed: March 25, 2022
    Publication date: June 22, 2023
    Inventors: Hao LU, Zhencai ZHU, Yidong ZHANG, Yuxing PENG, Mai DU, Hengzhen HU, Fuping ZHENG, Yu TANG