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101.发明申请公开(公告)号：US20220380133A1
公开(公告)日：2022-12-01
申请号：US17752968
申请日：2022-05-25
Applicant: Shandong University of Science and Technology , Wisdom Technology & Industry (Qingdao) Co., Ltd.
Inventor： Hongyu SUN , Xingguo YUAN , Xiao ZHANG , Geng CHEN , Yinjing GUO , Xiang LU , Lijun BI , Qingan DING , Jie GAO
Abstract: The present invention relates to the technical field of mining instruments, and discloses a sensing method for collecting multivariate information at a goaf side of chutes based on scraper conveyors, wherein gesture sensors are provided at a goaf side of the chutes of a scraper conveyor; building an equivalent model of the chutes, fusing constants and variants of relative information and distance measurements methods, determining collection of multivariate information of detection bodies of the gesture sensors of the chutes and combinational logic algorithms thereof; and sensing gesture changes of the chutes by the detection bodies of the gesture sensors of the chutes and conducting collection of the multivariate information and analyzing relative changes and trends of gestures between the chutes. The present invention can further improve detection real time properties, accuracy, coverage, reliability and environment adaptability compared with other measurement methods.
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102.发明申请公开(公告)号：US20220364967A1
公开(公告)日：2022-11-17
申请号：US17872839
申请日：2022-07-25
Inventor： Fenghai YU , Xuerui YANG , Yunliang TAN , Qiang REN , Kai ZHOU , Chuang ZHANG , Pan DU , Qingduo WANG
IPC: G01N3/12
Abstract: An in-situ test device and method for surrounding rock strength of bolt supported roadway is provided. The test device includes a fixing mechanism, a loading mechanism, a measuring mechanism and a control system. The loading mechanism includes a hydraulic pump and a plunger pump, the hydraulic pump drives the plunger pump to work and controls the lifting speed of the loading cylinder; the measuring mechanism includes an infrared ranging unit and a wireless pressure monitoring unit; the control system controls the work of the loading mechanism and processes the monitoring data. The test device is directly installed in the roadway and fixed with the bolt. The device is loaded after leveling, the device is disassembled after the monitoring data are obtained, and the in-situ test for the surrounding rock strength of the bolt supported roadway is completed. The steps are simple and adaptable.
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公开(公告)号：US20220362599A1
公开(公告)日：2022-11-17
申请号：US17868037
申请日：2022-07-19
Inventor： Xiangming HU , Weimin CHENG , Bingrui YAN , Yanyun ZHAO , Di XUE , Mingyue WU , Zhenglong HE , Guangxing BAI , Zonglei MOU
Abstract: Provided is a multi-functional plugging agent for a coal mine and a preparation method thereof. The preparation method comprises: by taking Ecklonia Kurome Okam as a raw material, mixing an Ecklonia Kurome Okam suspension with phosphorus pentoxide for reaction, then performing biodegradation to obtain an Ecklonia Kurome Okam biological extract, adding urea for neutralization, mixing a neutralization product with an inorganic catalyst and melamine for reaction to obtain a bio-based plugging synergist solution, finally cooling the bio-based plugging synergist solution, and mixing the cooled bio-based plugging synergist solution with a certain amount of pentaerythritol and ammonium polyphosphate to obtain the multi-functional plugging agent for the coal mine based on the Ecklonia Kurome Okam biological extract. According to the invention, not only a coal crack can be effectively plugged for a long time, but also an efficient flame-retardant effect can be achieved in a complete period of coal spontaneous combustion.
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104.发明授权公开(公告)号：US11459887B2
公开(公告)日：2022-10-04
申请号：US17280277
申请日：2020-12-31
Inventor： Yuxia Li , Kun Zhang , Liangsong Huang , Yajun Xu , Ying Ma , Desheng Zhang , Shaoan Sun , Jinpeng Su , Hongyue Chen , Si Wu , Zengkai Liu
Abstract: A system for navigation detection and inclination measurement of advanced hydraulic supports, including a detection device module, a signal transfer transmission module, connected to the detection device module, and used to integrate ultrasonic signals and inclination signals received from all advanced hydraulic supports and then wirelessly transmit all the signals to an analysis and processing module. The analysis and processing module, connected to the signal transfer transmission module, and used to receive the signals from the signal integration and transmission device for analysis, where if an analysis result shows an abnormal situation, an alarm will b e immediately given to a worker. If the analysis result shows a continuous abnormal situation, or a relatively large value indicating the abnormal situation is generated, a command will be immediately sent to make the advanced hydraulic supports stop operating in a current mode.
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105.发明申请公开(公告)号：US20220221614A1
公开(公告)日：2022-07-14
申请号：US17210840
申请日：2021-03-24
Inventor： Jifeng Yu , Tianjiao Liu , Haibo Jia , Huitao Cao , Yadong Wang , Diandong Zhang , Xiaoke Hu , Haimeng Yang , Zihao Jiang , Shuhao Wei
Abstract: The present invention discloses an analysis method, system and storage medium of lithology and oil and gas containing properties of reservoirs, by getting spectral structure modes of logging signals of different lithological bands and different oil and gas containing strata with CWTFT algorithms from frequency spectral structural relationships between different chords in music by analogy; summarizing features of spectral structure modes of same lithology in different wells, and getting a spectral change law of rocks, and identifying lithology of unknown rocks; and analyzing characteristics of reservoirs from identified lithology, finding and comparing spectral change characteristics of oil and gas strata in different wells to predict oil and gas reservoirs. The present invention combines spectral response characteristics of logging curves of different lithology, improves accuracy and efficiency of lithology and reservoir features interpretation work and provides new theoretical support and practical experience for deep oil and gas reservoir prospection and development.
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Patent Agency Ranking
公开(公告)号：US20220204060A1
公开(公告)日：2022-06-30
申请号：US17619263
申请日：2020-05-07
Inventor： Chenglong WANG , Yifang CHEN , Xueqian WEI , Xueting WANG , Meng CHEN , Qingliang ZENG
Abstract: An anti-impact device includes a first connector, an upper outer cylinder, a lower outer cylinder and a second connector which are sequentially connected, where a top of the lower outer cylinder is sleeved with the upper outer cylinder to be movably connected to the upper outer cylinder; an aluminum honeycomb and a magnetorheological buffer outer cylinder are arranged inside the lower outer cylinder, the aluminum honeycomb is arranged at a bottom of a lower end cover, a piston rod is arranged inside the magnetorheological buffer outer cylinder, a top end of the piston rod extends out of an upper end cover and is connected to a collision head, and the piston rod between the collision head and the upper end cover is sleeved with a return spring; and an electromagnetic coil is wound around the piston rod, a damping piston is arranged at a lower part of the piston rod.
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107.发明申请公开(公告)号：US20220120181A1
公开(公告)日：2022-04-21
申请号：US17280277
申请日：2020-12-31
Inventor： Yuxia LI , Kun ZHANG , Liangsong HUANG , Yajun XU , Ying MA , Desheng ZHANG , Shaoan SUN , Jinpeng SU , Hongyue CHEN , Si WU , Zengkai LIU
Abstract: A system for navigation detection and inclination measurement of advanced hydraulic supports, including a detection device module, a signal transfer transmission module, connected to the detection device module, and used to integrate ultrasonic signals and inclination signals received from all advanced hydraulic supports and then wirelessly transmit all the signals to an analysis and processing module. The analysis and processing module, connected to the signal transfer transmission module, and used to receive the signals from the signal integration and transmission device for analysis, where if an analysis result shows an abnormal situation, an alarm will b e immediately given to a worker. If the analysis result shows a continuous abnormal situation, or a relatively large value indicating the abnormal situation is generated, a command will be immediately sent to make the advanced hydraulic supports stop operating in a current mode.
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公开(公告)号：US20220090697A1
公开(公告)日：2022-03-24
申请号：US17435704
申请日：2020-05-07
Inventor： Chenglong WANG , Genyuan MIAO , Yifang CHEN , Xueting WANG , Meng CHEN , Qingliang ZENG
Abstract: Disclosed is a magnetically controlled material-based magnetorheological pilot operated safety valve for a hydraulic support. The safety valve comprises a valve body, a valve core, a reset spring, and a pilot valve; the valve core is disposed in a valve core chamber provided in the valve body, and the pilot valve is disposed in a pilot valve chamber provided in the valve body; the pilot valve includes a magnetically controlled shape memory alloy, an electromagnet, a push rod, a piston, a magnetorheological fluid control coil, and a pilot valve core, which are arranged sequentially from left to right; a plurality of magnetically controlled material control coils are provided on the electromagnet; the magnetically controlled shape memory alloy runs through the electromagnet and is then connected to the push rod, the push rod is connected to the piston, the magnetorheological fluid lies between the piston and the pilot valve core.
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公开(公告)号：US11248464B2
公开(公告)日：2022-02-15
申请号：US17292074
申请日：2020-07-20
Applicant: SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY , CHINA COMMUNICATIONS CONSTRUCTION CO., LTD , HEBEI FEIPU ENVIRONMENTAL PROTECTION TECHNOLOGY CO. LTD , QINGDAO WEST COAST RAIL TRANSIT CO., LTD , QINGDAO FIRST MUNICIPAL ENGINEERING CO., LTD
Inventor： Lin Xin , Shibin Jiang , Fu Yu , Hailiang Wang , Weizhou Li , Quanwei Liu , Wensheng He , Chuan Li , Zhenbiao Wang , Biao Kong , Xiangbao Meng , Yong Zhang , Wenming Zhang , Lide Hou , Jiufang Xiong , Xuexiang Xu , Shuai Wang
Abstract: A method of treating tunnel collapse includes mounting a shield plate, a column, a support column to form a combined support and moving the combined support onto an operation platform, lifting up the combined support, and enabling the height of canopy to be greater than the height of an initial supporting arch. Actively contacting a surface of a collapse cavity by a fixed support column and bearing a load, and lifting a movable support column to the top of the collapse cavity and bearing a load. Mounting an initial supporting arch, and welding the initial supporting arch with the support column. Removing a hydraulic prop after the support column contacting the initial supporting arch is cut off and the load of the shield plate is transferred to a supporting shed. Mounting an exhaust pipe and a filling material pumping pipe, and pumping a filling material into a collapse cavity space.
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公开(公告)号：US20210380490A1
公开(公告)日：2021-12-09
申请号：US17188280
申请日：2021-03-01
Inventor： Li Wang , Dengzheng Gao , Lihua Liu , Qingbin Guo , Zhen Xue
IPC: C04B35/626 , B03C1/035 , B03C1/10 , C04B35/628 , B05B1/04
Abstract: The present disclosure discloses a method for finely processing a nonmetallic material, including: crushing a nonmetallic mineral to obtain a nonmetallic block, drying at ambient temperature, coarsely grinding the dried nonmetallic block to obtain coarsely ground particles, subjecting the coarsely ground particles to a second grinding, and then ball milling in a ball mill, drying and sieving to obtain a powder with various particle sizes; classifying and marking the powder to determine the grade and corresponding use of the powder; modifying the nonmetallic mineral powder in a modification device, grinding by a drum ultra-fine vibration mill to obtain a modified powder; calcining the modified powder, then cooling at ambient temperature, mixing with a strong alkali solution to react in a water bath; adding an excessive hydrochloric acid solution, and filtering, washing and drying the resulting filter cake to obtain a product.
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