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公开(公告)号：US10012577B2
公开(公告)日：2018-07-03
申请号：US15622056
申请日：2017-06-13
发明人： Hui Zhou , Jingjing Lu , Dawei Hu , Chuanqing Zhang , Yue Jiang , Lei Huang , Fanjie Yang , Yong Zhu , Yang Gao
CPC分类号： G01N3/22 , G01N3/02 , G01N3/04 , G01N3/24 , G01N33/24 , G01N2203/0021 , G01N2203/0048 , G01N2203/0075
摘要： The present invention belongs to the technical field of rock mechanics testing equipment, and discloses a rock hollow cylinder torsional shear apparatus which includes a frame, a lifting device, a bottom seat, a confining pressure barrel, an upper seat, a force transmission shaft, a force transmission shaft holder, a torque application structure and a controller. The present invention provides a torsional shear apparatus capable of avoiding mutual interference between axial force application and torque force application.
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公开(公告)号：US11486249B2
公开(公告)日：2022-11-01
申请号：US16919058
申请日：2020-07-01
发明人： Hui Zhou , Jingjing Lu , Futong Xu , Chuanqing Zhang , Dawei Hu , Yang Gao , Fanjie Yang , Yong Zhu , Mingming Hu
摘要： Disclosed a combined rock-breaking TBM tunneling method in complex strata for realizing three-way force detection, comprising the steps of preparing a combined mechanical-hydraulic rock-breaking cutter head for TBM construction; starting construction; advancing the combined mechanical-hydraulic rock-breaking cutter head; pushing and pressing against a tunnel face by a mechanical cutter tool; subjecting a three-way force detection cutter to squeezing forces; feeding back three-way force data by a three-way force sensor; processing information by a TBM back-end control processor; obtaining a value of rock-cutter contact angle φ; feeding back parameter information to a TBM cutter head control center by a lithology index center; responding by the TBM cutter head control center, obtaining and adjusting parameters by the mechanical cutter tool equipped with the three-way force sensor; and breaking rock by the combined mechanical-hydraulic rock-breaking cutter head. The method disclosed is energy-saving and efficient, and has high rock-breaking efficiency.
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公开(公告)号：US10684203B2
公开(公告)日：2020-06-16
申请号：US15950318
申请日：2018-04-11
发明人： Hui Zhou , Yue Jiang , Jingjing Lu , Chuanqing Zhang , Dawei Hu , Yang Gao , Fanjie Yang , Yong Zhu
摘要： A ring shear and seepage-coupled apparatus and a ring shear and seepage-coupled test system for rock and rock fracture under tension or compression stress are provided, relating to the technical field of mechanical testing devices. As to the ring shear and seepage-coupled apparatus, an axial piston rod is connected with an upper shear box, a torque transferring shaft is connected with a lower shear box, an axial force transducer is provided on the axial piston rod, a torque transducer is provided on the torque transmitting shaft, and a force transferring plate is fixedly connected onto the upper shear box. The force transferring plate is able to transmit a counter force for exerting a torque. Radial and circumferential seepage tests can be achieved by providing a seepage structure. The ring shear and seepage-coupled test system comprises a servo pump and the ring shear and seepage-coupled apparatus as mentioned above.
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公开(公告)号：US20180136099A1
公开(公告)日：2018-05-17
申请号：US15622056
申请日：2017-06-13
发明人： Hui Zhou , Jingjing Lu , Dawei Hu , Chuanqing Zhang , Yue Jiang , Lei Huang , Fanjie Yang , Yong Zhu , Yang Gao
CPC分类号： G01N3/22 , G01N3/02 , G01N3/04 , G01N3/24 , G01N33/24 , G01N2203/0021 , G01N2203/0048 , G01N2203/0075
摘要： The present invention belongs to the technical field of rock mechanics testing equipment, and discloses a rock hollow cylinder torsional shear apparatus which includes a frame, a lifting device, a bottom seat, a confining pressure barrel, an upper seat, a force transmission shaft, a force transmission shaft holder, a torque application structure and a controller. The present invention provides a torsional shear apparatus capable of avoiding mutual interference between axial force application and torque force application.
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公开(公告)号：US11415498B2
公开(公告)日：2022-08-16
申请号：US17070946
申请日：2020-10-15
发明人： Dawei Hu , Jinliang Song , Guoping Zhang , Hui Zhou , Jianfu Shao , Chuanqing Zhang , Fanjie Yang , Jingjing Lu , Yong Zhu , Yang Gao , Fan Zhang
摘要： The present disclosure discloses a rock high-stress high-temperature micro-nano indentation test system, comprising: an X, Y, Z three-direction macroscopic adjustment module, an indentation precision loading module, an indentation test module and an indentation data processing module. The rock high-stress high-temperature micro-nano indentation test system further comprise a two-dimensional horizontal stress loading device, a temperature control device and a vacuum device 13. The rock high-stress high-temperature micro-nano indentation test system provided by the present disclosure has distinctive features of modularity and structuralization, and its test results have high accuracy. The rock high-stress high-temperature micro-nano indentation test system is easy to operate, and provides a theoretical and technical system support for testing the mechanical characteristics of the rock under the high-stress and high-temperature environment in the deep region.
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