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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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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：US20180340874A1
公开(公告)日：2018-11-29
申请号：US16036899
申请日：2018-07-16
Applicant: Sichuan University
Inventor： Jianfeng Liu , Jianliang Pei , Lu Wang , Huining Xu , Chunping Wang , Yilin Liao , Qiangxing Zhang , Xiaozhang Lei , Wenxi Fu
IPC: G01N3/12
CPC classification number: G01N3/12 , G01N3/18 , G01N33/24 , G01N2203/0019 , G01N2203/0048 , G01N2203/0226 , G01N2203/0232
Abstract: The present invention discloses a rock mechanics experiment system for simulating deep-underground environment, including a triaxial chamber consisting of a chamber cavity and a test pedestal, a stress field building module, a high pressure seepage field building module, a high temperature field building and a seepage medium permeating control measurement module arranged in the triaxial chamber, a lifting module used for installing and disassembling of the chamber cavity, and computer module used for controlling the operation of system and calculating and outputting the test data. The lifting module includes a door-shaped support frame, a cylinder piston device vertically mounted on the door-shaped support frame beam, a coupling device and a safety suspension device. The coupling device includes an oil hydraulic rod with the upper end fixedly coupled with the piston, a safety disk fixedly coupled with the lower end of the hydraulic rod, and two symmetrically disposed coupling assemblies.
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15.发明授权Device with position-limit spring for alternating tension-compression cyclic test 有权具有位置限制弹簧的装置用于交替拉伸压缩循环试验公开(公告)号：US09488560B2
公开(公告)日：2016-11-08
申请号：US15015151
申请日：2016-02-04
Applicant: Sichuan University
Inventor： Jianfeng Liu , Heping Xie , Yang Ju , Jianliang Pei , Huining Xu , Lu Wang , Fei Wu , Wenxi Fu
IPC: G01N3/08
CPC classification number: G01N3/08 , G01N3/04 , G01N3/32 , G01N2203/0405 , G01N2203/0447
Abstract: A rock sample fixing device with position-limit spring components for cyclic tension and compression tests including: a lower clamp and an upper clamp; the lower clamp including a lower connector connected to a loading base at a bottom of a testing machine, a lower end cap for fixing samples, a lower chain connecting the lower connector and the lower end cap, a first central position-limit mechanism, a second central position-limit mechanism, and a first hydraulic mechanism; the upper clamp including an upper connector connected to a loading base at a top of the testing machine, an upper end cap for fixing samples, an upper chain connecting the upper connector and the upper end cap, a third central position-limit mechanism, a fourth central position-limit mechanism, and a second hydraulic mechanism.
Abstract translation: 具有循环张力和压缩试验的位置限制弹簧部件的岩石样品定影装置，包括：下夹具和上夹具; 所述下夹具包括连接到测试机底部的装载基座的下连接器，用于固定样本的下端盖，连接下连接器和下端盖的下链，第一中心位置限位机构， 第二中心位置限制机构和第一液压机构; 上夹具包括连接到测试机顶部的装载基座的上连接器，用于固定样本的上端盖，连接上连接器和上端盖的上链，第三中心位置限位机构， 第四中心位置限制机构和第二液压机构。
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Patent Agency Ranking
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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公开(公告)号：US10823706B2
公开(公告)日：2020-11-03
申请号：US16015218
申请日：2018-06-22
Applicant: Sichuan University
Inventor： Jianfeng Liu , Lu Wang , Chunping Wang , Jianliang Pei , Huining Xu , Jun Zheng
IPC: G01N29/14 , G01V1/42 , E21B49/00 , E21B47/14 , G01N29/24 , G01V1/52 , G01N29/28 , E21C39/00 , E21B47/01 , E21B33/13 , E21B47/12 , E21B47/00
Abstract: The present invention discloses an acoustic emission monitoring and transmission system for engineering rock mass including an acoustic emission sensor and a ground workstation. The acoustic emission sensor is installed in a borehole of the monitored rock mass and transmits a received monitoring signal to the ground workstation through a cable. The acoustic emission sensor includes an acoustic emission probe, a probe installation mechanism and a transmission mechanism which transmits the probe installation mechanism with the acoustic emission probe to a setting position inside the borehole. The probe installation mechanism includes a shell connecting to the transmission mechanism and a probe sleeve for accommodating the acoustic emission probe.
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18.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：US10823652B2
公开(公告)日：2020-11-03
申请号：US16396797
申请日：2019-04-29
Applicant: Sichuan University
Inventor： Jianfeng Liu , Xiaozhang Lei , Wenxi Fu , Feng Dai , Yufeng Wei , Chunping Wang , Huining Xu , Jianliang Pei , Fei Wu , Gang Chen , Jinbing Wei
Abstract: A triaxial high temperature and high pressure rock mechanics load test platform includes a base, a lifting seat, and an intermediate connecting seat arranged between the base and the lifting seat. A hydraulic assembly is arranged between the base and the intermediate connecting seat; the intermediate connecting seat is connected with the lifting seat by means of a group of connecting rods; the lifting seat is enclosed by a side wall and a base plate to form a receiving groove with an upward opening; and a limiting device is arranged on the side wall of the lifting seat for preventing an MTS triaxial force sensor from disengaging from a support disk.
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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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