-
公开(公告)号:US12066424B1
公开(公告)日:2024-08-20
申请号:US18588083
申请日:2024-02-27
Applicant: SHENZHEN UNIVERSITY
Inventor: Minghui Li , Heping Xie , Jun Lu , Mingzhong Gao , Cunbao Li , Hongwei Zhou , Cancan Chen , Zhouqian Wu , Delei Shang
CPC classification number: G01N33/24 , G01N29/046 , G01N29/223 , G01N29/228 , G01N29/4409
Abstract: The present invention relates to a deep rock in situ environment reconstruction and integrated three-dimensional mechanical-thermo-acousto-seismic-flow testing method, which comprises: preparing a cubic sample; placing the cubic sample in a sample holder; extending the 6 indenters to butt with the sample holder; butting 6 butting indenters with the 6 indenters; butting each of 6 hydraulic actuators with one of the butting indenters, performing stress loading on the cubic sample by the hydraulic actuator, filling a fluid medium into the cubic sample by a percolation medium channel, and dynamically measuring related parameters. The present application can achieve three-way multi-parameter synchronous monitoring and acquisition of deformation, acoustic emission, ultrasonic wave, temperature field, percolation field and heat flow field.
-
公开(公告)号:US11921088B2
公开(公告)日:2024-03-05
申请号:US17568929
申请日:2022-01-05
Applicant: SHENZHEN UNIVERSITY
Inventor: Tao Zhou , Heping Xie , Jianbo Zhu , Jian Zhao , Tianqi Zhai , Mingzhong Gao , Cunbao Li , Zhiyi Liao , Kai Zhang
IPC: G01N3/317
CPC classification number: G01N3/317 , G01N2203/001 , G01N2203/0019 , G01N2203/0048 , G01N2203/005 , G01N2203/0075 , G01N2203/0098 , G01N2203/0224 , G01N2203/0256
Abstract: The present disclosure provides a thermal-stress-pore pressure coupled electromagnetic loading triaxial Hopkinson bar system and test method, the system mainly consists of an electromagnetic pulse generation system, a servo-controlled axial pressure loading system, a servo-controlled confining pressure loading system, a thermal control system, a pore pressure loading system, a bar system, and a data monitoring and acquisition system. Based on the conventional Hopkinson bar, the present disclosure creatively introduces a real-time loading and control system for confining pressure, thermal, and pore pressure, aiming to solve the technical problem that the existing test apparatus cannot be used to study dynamic response of deep rock mass under the coupling effect of thermal-stress-pore pressure and dynamic disturbance during dynamic impact loading.
-
公开(公告)号:US11905775B2
公开(公告)日:2024-02-20
申请号:US17309234
申请日:2018-11-12
Applicant: SHENZHEN UNIVERSITY , SICHUAN UNIVERSITY
Inventor: Mingzhong Gao , Heping Xie , Ling Chen , Jun Guo , Zhilong Zhang , Zetian Zhang , Yiqiang Lu , Cong Li , Zhiqiang He
Abstract: A driving system for a core drilling rig has a driving motor. The driving motor has an outer rotor and an inner stator, and mutually-matched convex ribs are provided on the inner wall of the outer rotor and the outer wall of the inner stator. The outer rotor and the inner stator are in clearance fit. A clearance between the outer rotor and the inner stator is a driving liquid channel. The length of the outer rotor is less than that of the inner stator. The outer rotor is provided between the front and rear ends of the inner stator. The outer rotor is connected to an outer cylinder. The rear end of the inner stator is connected to a coupling.
-
公开(公告)号:US11788371B2
公开(公告)日:2023-10-17
申请号:US17309232
申请日:2018-11-12
Applicant: SHENZHEN UNIVERSITY , SICHUAN UNIVERSITY
Inventor: Heping Xie , Mingzhong Gao , Ling Chen , Zhiyi Liao , Zhilong Zhang , Zetian Zhang , Yiqiang Lu , Cong Li , Zhiqiang He
Abstract: A coring device has core drilling tool, a core catcher, a rock core barrel, a drilling machine outer cylinder, a flap valve and an inner rod for pulling the rock core barrel. The core catcher is provided inside the lower end of the rock core barrel. The core drilling tool includes an outer core tube and a hollow drill bit. The upper end of the outer core tube is connected to the lower end of the drilling machine outer cylinder. The lower end of the outer core tube is connected to the drill bit. The lower end of the inner rod protrudes into the rock core barrel and is movable axially by a certain distance relative to the rock core barrel. The flap valve includes a valve seat and a sealing flap. The valve seat is coaxially mounted on the inner wall of the drilling machine outer cylinder.
-
5.
公开(公告)号:US20200181999A1
公开(公告)日:2020-06-11
申请号:US16708412
申请日:2019-12-09
Applicant: SHENZHEN UNIVERSITY , SICHUAN UNIVERSITY
Inventor: Heping Xie , Ling Chen , Mingzhong Gao , Cunbao Li , Guangdi Deng , Xia Hua
Abstract: The present disclosure relates to the field of scientific drilling technologies, and provides a deep rock in-situ active thermal-insulation coring device and thermal-insulation coring method thereof. The coring device comprises an in-situ coring system and an in-situ truth-preserving moving system, the in-situ coring system comprises a driving module, a coring module and a thermal insulation module, and the in-situ truth-preserving moving system comprises a truth-preserving chamber storage module and a mechanical arm; the thermal insulation module comprises a coring truth-preserving chamber and a temperature regulation control system, the truth-preserving chamber storage module comprises a storage truth-preserving chamber and a temperature balance control system, the mechanical arm is mounted in the storage truth-preserving chamber, and the coring truth-preserving chamber and the storage truth-preserving chamber are mutually butted.
-
公开(公告)号:US11913915B2
公开(公告)日:2024-02-27
申请号:US17568612
申请日:2022-01-04
Applicant: SHENZHEN UNIVERSITY
Inventor: Heping Xie , Jianbo Zhu , Tao Zhou , Mingzhong Gao , Cunbao Li , Zhiyi Liao , Kai Zhang , Jun Wang
CPC classification number: G01N3/38 , G01N3/24 , G01N35/00871 , G01N2203/0025 , G01N2203/0647
Abstract: A uniaxial bidirectional synchronous control electromagnetic loaded dynamic shear test system and method, a test apparatus thereof including a support platform, a loading bar system, an electromagnetic pulse generation system, a servo-controlled normal pressure loading system, and a data monitoring and acquisition system. The test apparatus can be used to conduct a dynamic shear test research on a rock-like material under a constant normal pressure close to an actual operating condition, and can also be applied to carry out dynamic shear tests on intact rock-like test specimens in various sizes or jointed rock-like test specimens containing a single structural surface to study dynamic shear mechanical property and shear failure behavior under strain rate of 101−103 s−1, thereby providing an important theoretical and technical support for the design, construction, protection, and safety and stability evaluation of geotechnical engineering, structural engineering.
-
公开(公告)号:US11846149B2
公开(公告)日:2023-12-19
申请号:US17419059
申请日:2019-03-15
Applicant: SHENZHEN UNIVERSITY
Inventor: Heping Xie , Mingzhong Gao , Ling Chen , Cunbao Li , Jianbo Zhu , Jun Guo , Zhiyi Liao , Cong Li , Zhiqiang He
Abstract: A core sampling and preservation system comprises the following sequentially connected modules: a drive module (300), a preservation module (200) and a core sampling module (100). The core sampling module (100) comprises a core drilling tool and a core sample storage compartment. The preservation module (200) comprises a core sample preservation container. The drive module comprises a core drill having a liquid channel. The core sample preservation container comprises an inner core barrel (28), an outer core barrel (26) and an energy storage device (229). The outer core barrel (26) is sleeved onto the inner core barrel (28). An upper end of the inner core barrel (28) is in communication with a liquid nitrogen storage tank (225). The liquid nitrogen storage tank (225) is positioned inside the outer core barrel (26). The energy storage device (229) is in communication with the outer core barrel (26). The outer core barrel (26) is provided with a butterfly valve (23). The system facilitates preserving a core at in-situ conditions, and has an increased drilling speed, thereby enhancing core sampling efficiency.
-
公开(公告)号:US11788370B2
公开(公告)日:2023-10-17
申请号:US17309238
申请日:2018-11-12
Applicant: SHENZHEN UNIVERSITY , SICHUAN UNIVERSITY
Inventor: Mingzhong Gao , Ling Chen , Heping Xie , Zhilong Zhang , Jun Guo , Zetian Zhang , Ru Zhang , Yiqiang Lu , Cong Li , Zhiqiang He
Abstract: A drilling control mechanism of a core drilling rig has a tooth drill and a core drilling rig. The core drilling rig is inside the tooth drill and engages with the drill in a sliding manner. A locking recess is formed at an inner wall of the tooth drill. A locking latch recess is formed at an outer wall of the core drilling rig and has a locking latch therein. The locking latch has a spring. When the locking recess is directly opposite the locking latch recess, the spring extends and the locking latch partially enters the locking recess. The core drilling rig has a central rod, a fluid channel activation module, an outer barrel, and outer barrel unlocking module and a flow diverging module. The central rod passes through the inner cavities of the fluid channel activation module, the outer barrel unlocking module and the flow diverging module.
-
公开(公告)号:US11773670B2
公开(公告)日:2023-10-03
申请号:US17309233
申请日:2018-11-12
Applicant: SHENZHEN UNIVERSITY , SICHUAN UNIVERSITY
Inventor: Mingzhong Gao , Heping Xie , Ling Chen , Jun Guo , Zhilong Zhang , Zetian Zhang , Ru Zhang , Yiqiang Lu , Cong Li , Zhiqiang He
CPC classification number: E21B23/04115 , E21B21/10 , E21B25/10 , E21B34/063
Abstract: A control mechanism of a core drilling rig includes a central rod (14) and an outer barrel (23). The central rod (14) passes through, from the rear to the front, the inner cavities of a fluid channel activation module, an outer barrel unlocking module, a flow diverging module, and a coring barrel connecting module. The coring barrel connecting module comprises a core tube connecting pipe (62), a core ring bearing (63), a bearing inner ring (64), a ball A (6211) and a ball B (6411). The core tube connecting pipe (62) is connected at the front side thereof to the coring barrel (65). The bearing inner ring (64) is inside the core tube connecting pipe (62). The core ring bearing (63) is connected to an inner wall of the outer barrel (23).
-
公开(公告)号:US11703433B2
公开(公告)日:2023-07-18
申请号:US17359260
申请日:2021-06-25
Applicant: SHENZHEN UNIVERSITY.
Inventor: Jianbo Zhu , Heping Xie , Tao Zhou , Jian Zhao , Yulong Li , Tao Suo , Zhongbin Tang , Zhiyi Liao
IPC: G01N3/36
CPC classification number: G01N3/36 , G01N2203/0048 , G01N2203/0256
Abstract: The present disclosure provides a dynamic true triaxial electromagnetic Hopkinson bar system and testing method, the method including: firstly, before applying a static prestress and an impact load, recording and storing complete ultrasonic signals in the directions X, Y, and Z without application of the static prestress and the impact load; secondly, applying the static prestress; thirdly, recording and storing complete ultrasonic signals in the directions X, Y, and Z under the static prestress; fourthly, applying the impact load, and utilizing an triaxial and six-directional synchronous-coordinated-control electromagnetic loading system to apply a dynamic impact load to a test specimen; and fifthly, after completing the dynamic impact loading test, recording and storing once again complete ultrasonic signals in the directions X, Y, and Z without releasing the static prestress after application of the static prestress and the dynamic impact load.
-
-
-
-
-
-
-
-
-