Patents by Inventor Yangmengdi XU
Yangmengdi XU has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10048178Abstract: A rock specimen, including a rock body having the shape of a cylinder or a regular square prism. The rock body includes: an upper end face, a first circular groove, a first cylinder, a first circular body, 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 the center of the upper end face of the rock body. The second circular groove is disposed on the lower end face of the rock body and has a circle center coinciding with the center of the lower end face of the rock body. The outer diameter of the first circular groove is smaller than the inner diameter of the second circular groove, and the first circular groove and the second circular groove are staggered.Type: GrantFiled: October 10, 2015Date of Patent: August 14, 2018Assignee: SICHUAN UNIVERSITYInventors: Jianfeng Liu, Heping Xie, Lu Wang, Jianliang Pei, Yu Bian, Huining Xu, Yong Xiang, Fei Wu, Hang Zou, Yangmengdi Xu
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Patent number: 10018594Abstract: A fixing device for acoustic emission test sensors for rock damage testing, the device including: a fixing frame, installation bases operating to accommodate the acoustic emission test sensors, respectively, fixing assemblies operating to fix the acoustic emission test sensors in the installation bases, and installation mechanisms operating to install the installation bases on the fixing frame. The fixing frame is an integrated loop-shaped frame. Each of the installation bases is a cylinder structure which includes: a cavity corresponding to an outer edge of each of the acoustic emission test sensors, and a wall including a gap for leading out wires of each sensor. The installation mechanisms are adapted to automatically and axially adjust positions of the installation bases. The installation mechanisms are four in number. The four installation mechanisms are disposed on a same section plane of the fixing frame and every two installation mechanisms are oppositely disposed.Type: GrantFiled: February 5, 2016Date of Patent: July 10, 2018Assignee: SICHUAN UNIVERSITYInventors: Jianfeng Liu, Heping Xie, Yang Ju, Lu Wang, Huining Xu, Jianping Zuo, Yangmengdi Xu, Hang Zou, Zhiwei Zhou, Yue Zhuo
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Patent number: 10006887Abstract: An adjustable fixing device for acoustic emission test sensors for rock damage testing, the device including: a fixing frame; installation bases operating to accommodate the acoustic emission test sensors, respectively; fixing assemblies operating to fix the acoustic emission test sensors in the installation bases; and installation mechanisms operating to install the installation bases on the fixing frame. The fixing frame is a rectangular frame, and at least a pair of opposite frame walls of four frame walls is provided with installation slots adapted to install the installation mechanisms. The installation slots positioned at different frame walls are in a same cross section of the rectangular frame. Each of the installation bases is a cylinder structure. The cylinder structure includes: a cavity corresponding to an outer edge of each of the acoustic emission test sensors, and a wall including a gap for leading out wires of each sensor.Type: GrantFiled: February 5, 2016Date of Patent: June 26, 2018Assignee: SICHUAN UNIVERSITYInventors: Jianfeng Liu, Yang Ju, Jianliang Pei, Lu Wang, Huining Xu, Yangmengdi Xu, Feng Dai, Wenxi Fu
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Patent number: 9714891Abstract: A device for fixing a rock sample, 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 spiral spring, 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 second spiral spring, a third central position-limit mechanism, a fourth central position-limit mechanism, and a second hydraulic mechanism.Type: GrantFiled: February 4, 2016Date of Patent: July 25, 2017Inventors: Jianfeng Liu, Heping Xie, Yang Ju, Huining Xu, Lu Wang, Yangmengdi Xu, Hang Zou, Zhiwei Zhou, Yue Zhuo
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Patent number: 9574980Abstract: A device for fixing a rock sample, the device including: a lower clamp and an upper clamp. The lower clamp includes: a lower connector connected to a bottom loading base, a lower end cap for fixing samples, a lower chain connecting the lower connector and the lower end cap, a first spiral spring, a first central position-limit mechanism, and a second central position-limit mechanism. The lower end cap includes: a first sample fixing groove and a first connecting segment. The upper clamp includes: an upper connector connected to a top loading base, an upper end cap for fixing the samples, an upper chain connecting with the upper connector and the upper end cap, a second spiral spring, a third central position-limit mechanism, and a fourth central position-limit mechanism. The upper end cap includes a second sample fixing groove and a second connecting segment.Type: GrantFiled: February 2, 2016Date of Patent: February 21, 2017Assignee: SICHUAN UNIVERSITYInventors: Jianfeng Liu, Heping Xie, Yang Ju, Yong Xiang, Huining Xu, Yangmengdi Xu, Hang Zou, Zhiwei Zhou, Yue Zhuo
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Patent number: 9500574Abstract: A rock sample fixing device with a three-jaw chuck for cyclic tension and compression testing 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.Type: GrantFiled: February 4, 2016Date of Patent: November 22, 2016Assignee: SICHUAN UNIVERSITYInventors: Jianfeng Liu, Yang Ju, Jianliang Pei, Huining Xu, Lu Wang, Yangmengdi Xu, Hang Zou
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Publication number: 20160231285Abstract: A fixing device for acoustic emission test sensors for rock damage testing, the device including: a fixing frame, installation bases operating to accommodate the acoustic emission test sensors, respectively, fixing assemblies operating to fix the acoustic emission test sensors in the installation bases, and installation mechanisms operating to install the installation bases on the fixing frame. The fixing frame is an integrated loop-shaped frame. Each of the installation bases is a cylinder structure which includes: a cavity corresponding to an outer edge of each of the acoustic emission test sensors, and a wall including a gap for leading out wires of each sensor. The installation mechanisms are adapted to automatically and axially adjust positions of the installation bases. The installation mechanisms are four in number. The four installation mechanisms are disposed on a same section plane of the fixing frame and every two installation mechanisms are oppositely disposed.Type: ApplicationFiled: February 5, 2016Publication date: August 11, 2016Inventors: Jianfeng LIU, Heping XIE, Yang JU, Lu WANG, Huining XU, Jianping ZUO, Yangmengdi XU, Hang ZOU, Zhiwei ZHOU, Yue ZHUO
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Publication number: 20160231211Abstract: A device for fixing a rock sample, 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 spiral spring, 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 second spiral spring, a third central position-limit mechanism, a fourth central position-limit mechanism, and a second hydraulic mechanism.Type: ApplicationFiled: February 4, 2016Publication date: August 11, 2016Inventors: Jianfeng LIU, Heping XIE, Yang JU, Huining XU, Lu WANG, Yangmengdi XU, Hang ZOU, Zhiwei ZHOU, Yue ZHUO
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Publication number: 20160231286Abstract: An adjustable fixing device for acoustic emission test sensors for rock damage testing, the device including: a fixing frame; installation bases operating to accommodate the acoustic emission test sensors, respectively; fixing assemblies operating to fix the acoustic emission test sensors in the installation bases; and installation mechanisms operating to install the installation bases on the fixing frame. The fixing frame is a rectangular frame, and at least a pair of opposite frame walls of four frame walls is provided with installation slots adapted to install the installation mechanisms. The installation slots positioned at different frame walls are in a same cross section of the rectangular frame. Each of the installation bases is a cylinder structure. The cylinder structure includes: a cavity corresponding to an outer edge of each of the acoustic emission test sensors, and a wall including a gap for leading out wires of each sensor.Type: ApplicationFiled: February 5, 2016Publication date: August 11, 2016Inventors: Jianfeng LIU, Yang JU, Jianliang PEI, Lu WANG, Huining XU, Yangmengdi XU, Feng DAI, Wenxi FU
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Publication number: 20160231212Abstract: A device for fixing a rock sample, the device including: a lower clamp and an upper clamp. The lower clamp includes: a lower connector connected to a bottom loading base, a lower end cap for fixing samples, a lower chain connecting the lower connector and the lower end cap, a first spiral spring, a first central position-limit mechanism, and a second central position-limit mechanism. The lower end cap includes: a first sample fixing groove and a first connecting segment. The upper clamp includes: an upper connector connected to a top loading base, an upper end cap for fixing the samples, an upper chain connecting with the upper connector and the upper end cap, a second spiral spring, a third central position-limit mechanism, and a fourth central position-limit mechanism. The upper end cap includes a second sample fixing groove and a second connecting segment.Type: ApplicationFiled: February 2, 2016Publication date: August 11, 2016Inventors: Jianfeng LIU, Heping XIE, Yang JU, Yong XIANG, Huining XU, Yangmengdi XU, Hang ZOU, Zhiwei ZHOU, Yue ZHUO
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Publication number: 20160231216Abstract: A rock sample fixing device with a three-jaw chuck for cyclic tension and compression testing 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.Type: ApplicationFiled: February 4, 2016Publication date: August 11, 2016Inventors: Jianfeng LIU, Yang JU, Jianliang PEI, Huining XU, Lu WANG, Yangmengdi XU, Hang ZOU
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Publication number: 20160103047Abstract: A rock specimen, including a rock body having the shape of a cylinder or a regular square prism. The rock body includes: an upper end face, a first circular groove, a first cylinder, a first circular body, 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 the center of the upper end face of the rock body. The second circular groove is disposed on the lower end face of the rock body and has a circle center coinciding with the center of the lower end face of the rock body. The outer diameter of the first circular groove is smaller than the inner diameter of the second circular groove, and the first circular groove and the second circular groove are staggered.Type: ApplicationFiled: October 10, 2015Publication date: April 14, 2016Inventors: Jianfeng LIU, Heping XIE, Lu WANG, Jianliang PEI, Yu BIAN, Huining XU, Yong XIANG, Fei WU, Hang ZOU, Yangmengdi XU