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公开(公告)号：US10955574B2
公开(公告)日：2021-03-23
申请号：US16015235
申请日：2018-06-22
Applicant: Sichuan University
Inventor： Jianfeng Liu , Lu Wang , Huining Xu , Jianliang Pei , Jun Zheng , Wenxi Fu , Xiaozhang Lei , Jianhui Deng
Abstract: The invention discloses a rock damage acoustic monitoring system including an acoustic emission sensor installed in a borehole of a monitored rock mass and a ground workstation. The acoustic emission sensor is composed of an acoustic emission probe and a probe installation mechanism for installing the acoustic emission probe and a transmission mechanism for transmitting the probe installation mechanism. The probe installation mechanism includes a shell, a probe sleeve installed in the shell, an end cap fixed on the upper end surface of the probe sleeve, and a piston hydro-cylinder arranged between the top of the inner wall of the shell and the end cap. The present invention realizes the control of the moving direction of the shell and the probe sleeve by the piston hydro-cylinder component and the hydraulic pump.
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公开(公告)号：US11215540B2
公开(公告)日：2022-01-04
申请号：US16396790
申请日：2019-04-29
Applicant: Chengdu University of Technology , Sichuan University
Inventor： Yufeng Wei , Jianfeng Liu , Lu Wang , Huining Xu , Xiaozhang Lei , Jianhui Deng , Dongjie Xue , Chunping Wang , Jianliang Pei , Wenxi Fu , Da Zheng
IPC: G01N3/02
Abstract: A loading platform for a rock mechanics test system (MTS) to realize simple and reliable connection between a high temperature and high pressure force sensor in a triaxial chamber cavity and an upper solid rigid column. The loading platform for rock mechanics test includes a master rod, a secondary rod and a stop sleeve sleeved on the master rod; the stop sleeve is provided with two corbel structures; the secondary rod is composed of a secondary rod head body and a secondary rod body; a circular magnetic block is fixed on the secondary rod to adsorb a hole alignment sleeve sleeved on the secondary rod; and the hole alignment sleeve marked with a first scale line and a second scale line.
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公开(公告)号：US10976455B2
公开(公告)日：2021-04-13
申请号：US16008044
申请日：2018-06-14
Applicant: Sichuan University
Inventor： Jianfeng Liu , Jianliang Pei , Lu Wang , Huining Xu , Xiaozhang Lei , Wenxi Fu , Jianhui Deng
Abstract: A test system for a microseismic test of rock mass fractures provided by the present invention includes at least one microseismic sensor, a push rod provided at two ends of the microseismic sensor through a connecting mechanism for feeding the microseismic sensor into a monitoring hole , an introducing mechanism mounted on the push rod for introducing the microseismic sensor into the monitoring hole, a hydraulic system providing support hydraulic oil for the microseismic sensor, a microseismic monitoring computer connected with the signal of microseismic sensor through; the microseismic sensor includes a microseismic probe, a holding component holding the microseismic probe, a support plate and a hydraulic support mechanism; the connecting mechanism can make the push rod swing relative to the microseismic sensor, and the introducing mechanism is three-rollers introducing mechanism.
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Patent Agency Ranking
公开(公告)号：US10794869B2
公开(公告)日：2020-10-06
申请号：US16016829
申请日：2018-06-25
Applicant: Sichuan University , Research Institute of Petroleum Exploration & Development, PetroChina Company Limited
Inventor： Jianfeng Liu , Huining Xu , Jianliang Pei , Lu Wang , Chunping Wang , Xiaozhang Lei , Wenxi Fu , Jianhui Deng
Abstract: The present invention discloses an acoustic emission sensor, including an acoustic emission probe, a probe installation mechanism, and a transmission mechanism transmitting a combination of the acoustic emission probe and the probe installation mechanism to a setting position in a borehole of a monitored rock mass; the probe installation mechanism includes a shell, a probe sleeve, a spring sleeve, a spring, and a fixed pulley component; the probe sleeve is installed in the guide cylinder of the shell, the spring sleeve is fixed on two sides of the probe sleeve, the spring is installed inside the spring sleeve; one end of the first rope in the fixed pulley component is fixedly connected to the end cap in the upper end surface of the probe sleeve through the fixed pulley mounted on the top of the inner wall of the shell.
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公开(公告)号：US10704998B2
公开(公告)日：2020-07-07
申请号：US16396784
申请日：2019-04-29
Applicant: Sichuan University
Inventor： Jianfeng Liu , Heping Xie , Huining Xu , Jianliang Pei , Chunping Wang , Jianhui Deng , Wenxi Fu , Lu Wang
Abstract: The invention belongs to the field of rock mechanics test of engineering rock masses and is intended to address the safety and alignment challenges of a rock mechanics test response system for existing simulated complex deep earth environment. A rock mechanics test response system for a simulated complex deep earth environment includes a bearing system for rock mechanics tests in simulated deep earth environment and an MTS triaxial sensor aligning and mounting device arranged on the bearing system for rock mechanics tests in simulated deep earth environment. The invention improves installation and dismounting efficiency of an MTS triaxial force sensor, enhances reliability of lifting and solves the problem of aligning holes during installation of the force sensor, thus improving the installation efficiency.
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公开(公告)号：US10976454B2
公开(公告)日：2021-04-13
申请号：US16008012
申请日：2018-06-13
Applicant: Sichuan University
Inventor： Jianfeng Liu , Lu Wang , Jianliang Pei , Huining Xu , Wenxi Fu , Xiaozhang Lei , Jianhui Deng
Abstract: The present invention discloses a microseismic monitoring system, which includes at least a microseismic sensor, a push rod set at both ends of the microseismic sensor through the first connecting mechanism for sending the microseismic sensor into a monitoring hole, a guide mechanism installed on the push rod for guiding the microseismic sensor into the monitoring hole, and a microseismic monitoring computer connecting with the microseismic sensor signal. The microseismic sensor is reusable. The first connecting mechanism can make the push rod swing relative to the microseismic sensor. The guide mechanism is a three-roller guide mechanism. The present invention can satisfy the need of monitoring different locations in monitoring holes with large depths for multiple microseismic sensors, and solve problems of effective contact coupling between the microseismic sensors and monitoring holes, which improves the accuracy of microseismic monitoring and reduces the cost of a microseismic monitoring system.
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7.发明授权公开(公告)号：US10823653B2
公开(公告)日：2020-11-03
申请号：US16396772
申请日：2019-04-29
Applicant: Sichuan University
Inventor： Jianfeng Liu , Heping Xie , Jianliang Pei , Wenxi Fu , Jianhui Deng , Zhide Wu , Huining Xu , Lu Wang , Fei Wu
Abstract: A rock damage mechanics test system for high temperature and high pressure deep earth environment includes an MTS triaxial test machine and a control system connected therewith. The MTS triaxial test machine is composed of a rigid frame, a high temperature and high pressure triaxial chamber, and a triaxial chamber base. The control system includes a workstation for data processing and a manual controller for controlling the workstation and a master controller. The system improves mounting and dismounting efficiency of an MTS triaxial force sensor, enhances reliability of lifting and solves the problem of aligning holes during the force sensor mounting process, thus improving the mounting efficiency.
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公开(公告)号：US10048182B2
公开(公告)日：2018-08-14
申请号：US14880301
申请日：2015-10-12
Applicant: Sichuan University
Inventor： Jianfeng Liu , Heping Xie , Jianhui Deng , Lu Wang , Jianliang Pei , Yong Xiang , Linrui Li , Yu Bian , Huining Xu , Zhiwei Zhou
Abstract: A rock specimen, including a rock body. The rock body includes: an upper part, an upper end face, a first circular groove, a first cylinder, a first circular body, a lower part, a lower end face, a second circular groove, a second cylinder, and a second circular body. The first circular groove is disposed on the upper end face of the rock body and has a circle center coinciding with a center of the upper end face. A method for testing pure shear of the rock specimen, includes: 1) disposing the rock specimen on a test bench of a rock mechanics testing system, allowing the end face of the second circular body to contact the test bench; and 2) operating the rock mechanics testing system, loading a pressure on the rock specimen via the end face of the first cylinder and the end face of the second circular body.
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