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公开(公告)号：US11499897B2
公开(公告)日：2022-11-15
申请号：US17715752
申请日：2022-04-07
Inventor： Yanchun Yin , Tongbin Zhao , Yunliang Tan , Minglu Xing , Yubao Zhang , Kai Fang , Chen Yan
Abstract: The present invention discloses a deformation controllable compression ring-based mechanical test system for rocks with variable stiffness and a test method thereof, which comprises a loading device, a variable stiffness regulating device, a data monitoring system and a controlling system; the energy storing spring in the loading device allows the rebounding direction of the loading device to be contrary to the strain direction of the test-piece, which eliminates the energy supplement of the loading device to the test-piece and realizes the loading of an oversized stiffness on the test system; the variable stiffness regulating device precisely regulates the loaded stiffness by regulating the loaded stiffness of the test system according to test requirements, which realizes the test of loading different stiffness on the same test system and avoids the influences of differences to loading parameters between different test systems on the test results.
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公开(公告)号：US11441982B2
公开(公告)日：2022-09-13
申请号：US17575150
申请日：2022-01-13
Inventor： Weiyao Guo , Yan Tan , Tongbin Zhao , Yunliang Tan , Dongxiao Zhang
Abstract: The disclosure provides a variable dip fault slip simulation test method, which relates to the technical field of indoor simulation test of underground engineering. The variable dip fault slip simulation test method of the disclosure adopts a sample device and a loading device, which includes the following steps: Step 1. sample preparation; Step 2. sample assembly; Step 3. loading preparation; Step 4. sample loading. The variable dip fault slip simulation test method of the disclosure can prepare rock like samples with different dip interfaces, simulate the slip failure process of faults with different dip angles, as well as the normal dip slip and reverse dip slip of faults, facilitate the operation of slip simulation test, and collect test data automatically and accurately.
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公开(公告)号：US11215542B2
公开(公告)日：2022-01-04
申请号：US16652961
申请日：2019-02-28
Inventor： Xuesheng Liu , Shilin Song , Yunliang Tan , Deyuan Fan , Jianguo Ning , Qingheng Gu , Ning Jiang , Jun Wang , Qiang Xu
Abstract: A rock mechanics test system with impact loading-confining pressure unloading and its usage method. The test system includes bearing frame unit, axial compression loading unit, impact loading unit and confining pressure loading unit. The bearing frame unit includes pedestal, column and cross beam. The column is vertically installed on both sides of the upper surface of the pedestal, and the cross beam is horizontally fixed on the upper part of the column. The axial compression loading unit is fixed at the middle position of the upper surface of the pedestal and is used to exert the axial bottom-up pressure to the sample. The impact loading unit is fixed on the cross beam and is used to exert the axial top-down impact load on the sample.
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公开(公告)号：US12129760B2
公开(公告)日：2024-10-29
申请号：US18690263
申请日：2023-06-30
Inventor： Fenghai Yu , Zhanling Li , Yunliang Tan , Tongbin Zhao , Tucheng Li
IPC: E21D21/00
CPC classification number: E21D21/0033 , E21D21/0086
Abstract: A multi-stage pressure yielding and anti-impact device for anchoring support is proposed, which includes an anti-impact component, a secondary pressure yielding component, and a primary pressure yielding component. The primary pressure yielding component and the secondary pressure yielding component each include an outer sleeve, an inner extrusion sleeve, and an expansion platform, and the expansion platform is arranged at a bottom end of the inner extrusion sleeve. A buffering and energy-absorbing material filling body is arranged between the outer sleeve and the inner extrusion sleeve. An outside diameter of the outer sleeve in the primary pressure yielding component is equal to that of a large-diameter end of the expansion platform in the secondary pressure yielding component, and the outer sleeve in the primary pressure yielding component is pressed against a bottom of the expansion platform in the secondary pressure yielding component.
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公开(公告)号：US10969314B2
公开(公告)日：2021-04-06
申请号：US16976163
申请日：2019-12-19
Inventor： Tongbin Zhao , Chunlin Li , Minglu Xing , Yunliang Tan , Chen Zhao , Zhi Wang , Xiaoliang Li , Fenghai Yu , Jinglong Jia
Abstract: The present disclosure provides a device and a method for an anchor bolt (cable) supporting structure test and an anchoring system performance comprehensive experiment, and relates to the technical field of anchoring tests. The device includes a gantry, a loading mechanism, a test mechanism and a test piece, wherein the gantry includes a base and an operation platform; the loading mechanism includes a loading frame, a chuck, a surrounding rock force loading oil cylinder and a hollow drawing oil cylinder; the test mechanism includes a load, a displacement and an acoustic emission and other monitoring mechanisms, and the test piece includes a rock test piece, an anchor bolt (cable), an anchor net, and the like; the loading mechanism and the hollow drawing oil cylinder are disposed on the base, and a torsion motor and an anchor bolt drill are disposed on the operation platform, wherein the rock test piece is placed between bearing plates, one end of the anchor bolt (cable) is fixed by the chuck or anchored into the rock test piece, and the other end of the anchor bolt (cable) passes through the hollow drawing oil cylinder. The device is capable of not only testing mechanical properties of the anchor bolt (cable) and an anchoring member, but also realizing simulation of a stress environment of “five sides loaded and one side non-loaded” so as to perform a surrounding rock drilling response or anchoring system performance comprehensive experiment.
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Patent Agency Ranking
6.发明授权公开(公告)号：US10794136B2
公开(公告)日：2020-10-06
申请号：US16495800
申请日：2019-02-28
Inventor： Yunliang Tan , Xuesheng Liu , Deyuan Fan , Jianguo Ning , Qiang Xu , Bangyou Jiang , Guangchao Zhang
Abstract: A reverse rotary sprinkler drilling pipe system with anti-sticking function and its application method. This system comprises the front and rear drilling pipes which are arranged in sequence, a water spraying device, a rotary device. The rear drilling pipe is connected with an external drilling rig. The front and rear drilling pipes are respectively arranged with through holes in an inner axial direction. The water spraying device comprises a first cylinder and a connecting body, and symmetrical multiple groups of water spraying holes are arranged on the inner sidewall of the first cylinder. A limit block is arranged in the upper part of the inner sidewall. The connecting body is disposed with water conveyance hole which is connected with the through hole and the inner part of the first cylinder.
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7.发明授权公开(公告)号：US11859493B2
公开(公告)日：2024-01-02
申请号：US17269557
申请日：2019-05-14
Inventor： Fenghai Yu , Kai Zhou , Yunliang Tan , Xuepeng Gao , Wei Zhao
Abstract: A device includes a pressure measuring segment, a connecting rod, a hydraulic pump, a pressure gauge, a high-pressure oil pipe, a pressure control valve, a tray, a push rod and a connection casing. The pressure measuring segment is on the connecting rod, a front end of the push rod is connected with the connecting rod, the tray is at a rear end of the push rod, the connection casing is connected with the tray. The pressure measuring segment includes a main pipe, a hydraulic bladder, a fixing ring, a barrier sheet, an outer pillow housing and a connection sleeve. Both ends of the hydraulic bladder are sleeved on the main pipe, an oil inlet is in communication with the hydraulic bladder, the outer pillow housing is sleeved on the main pipe, the connection sleeve is wrapped around the outer pillow housing.
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8.发明授权公开(公告)号：US11067488B1
公开(公告)日：2021-07-20
申请号：US17225983
申请日：2021-04-08
Inventor： Tongbin Zhao , Yanchun Yin , Yunliang Tan , Minglu Xing , Yue Qiu , Wuwei Zheng , Xinyuan Wang
Abstract: The present disclosure provides an inner and outer framework combined variable stiffness rock mechanics tester and a testing method, relating to the technical field of rock mechanics. The tester includes a stiffness adjusting apparatus, a test loading apparatus, a monitoring system, and a control system. During a test, according to monitoring data, the load of the stiffness adjusting cylinder is controlled through the control system, and the displacement of the inner top beam is adjusted in real time, to ensure that the loading stiffness reaches a design value and remains constant, which solves the technical problem that the loading stiffness of the rock mechanics tester cannot be quantitatively adjusted, and is easy to operate.
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公开(公告)号：US11067392B2
公开(公告)日：2021-07-20
申请号：US17043778
申请日：2019-05-14
Inventor： Yunliang Tan , Kai Zhou , Fenghai Yu , Tongbin Zhao
Abstract: An anchor bolt length determination method based on monitoring of a roof rock stratum horizontal extrusion force includes drilling a borehole in the middle of a roadway roof to determine a surrounding rock fracturing scope by a borehole television. The method includes selecting the number and locations of horizontal extrusion force measuring points according to the surrounding rock fracturing scope. The method includes monitoring and recording a change of the horizontal extrusion force over time in the borehole by a device for monitoring a roof rock stratum horizontal extrusion force. The method includes selecting a location with the largest horizontal extrusion force as a center of a anchoring segment of an anchor bolt to determine a distance between the anchoring center and the roof. The method includes calculating a total length of the anchor bolt.
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10.发明授权公开(公告)号：US12019055B2
公开(公告)日：2024-06-25
申请号：US17807244
申请日：2022-06-16
Inventor： Xuesheng Liu , Shenglong Yang , Yunliang Tan , Deyuan Fan , Xuebin Li , Hu Song
CPC classification number: G01N3/34 , G01N33/24 , G01N2203/0005 , G01N2203/0252
Abstract: A cyclic dynamic loading-confining pressure instantaneous unloading test device includes a load-supporting frame system, a cyclic dynamic loading system, a confining pressure loading system, a monitoring system, a control system and a data analysis system; the top of the load-supporting frame system is equipped with the cyclic dynamic loading system, the cyclic dynamic loading system is connected with the control system, the bottom of the load-supporting frame system is equipped with the confining pressure loading system, the cyclic dynamic loading system and the confining pressure loading system are equipped with the monitoring system, the monitoring system and the control system are connected with the data analysis system.
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