Patents by Inventor Yongjie REN
Yongjie REN 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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Publication number: 20240091892Abstract: The present disclosure discloses a rolling ring shrink fitting tool for rotary equipment, including a lifting frame; a movement slot is formed in a bottom surface of a top of the lifting frame; an output end of a first motor is connected with a main gear; guide rollers are embedded in a lifting seat through bearings; shrink fitting plates are two semicircular structures; lifting lugs are welded on outer sides of the shrink fitting plates; tooth rings are arranged outside the shrink fitting plates; stop rods are fixed on inner walls of the tooth rings; supporting screw rods are embedded at sunken positions on inner walls of the shrink fitting plates through bearings.Type: ApplicationFiled: November 27, 2023Publication date: March 21, 2024Inventors: Le LI, Rui YANG, Huaijun JI, Qianbiao XU, Haoji DENG, Yongjie SUN, Hong YANG, Yincheng ZHOU, Bo HU, Jie REN, Lie WANG, Longfei MIAO, Hansi BAI, Tiantian HU, Jinxin ZHAO, Yizhuan QIAN, Changbao CHEN, Xingzheng YANG, Xiaoli GUO, Lihui DU
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Patent number: 11926004Abstract: The present disclosure discloses a rolling ring shrink fitting tool for rotary equipment, including a lifting frame; a movement slot is formed in a bottom surface of a top of the lifting frame; an output end of a first motor is connected with a main gear; guide rollers are embedded in a lifting seat through bearings; shrink fitting plates are two semicircular structures; lifting lugs are welded on outer sides of the shrink fitting plates; tooth rings are arranged outside the shrink fitting plates; stop rods are fixed on inner walls of the tooth rings; supporting screw rods are embedded at sunken positions on inner walls of the shrink fitting plates through bearings.Type: GrantFiled: November 27, 2023Date of Patent: March 12, 2024Assignee: ZHONGJIAN WUZHOU ENGINEERING EQUIPMENT CO., LTDInventors: Le Li, Rui Yang, Huaijun Ji, Qianbiao Xu, Haoji Deng, Yongjie Sun, Hong Yang, Yincheng Zhou, Bo Hu, Jie Ren, Lie Wang, Longfei Miao, Hansi Bai, Tiantian Hu, Jinxin Zhao, Yizhuan Qian, Changbao Chen, Xingzheng Yang, Xiaoli Guo, Lihui Du
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Patent number: 11112270Abstract: The present invention discloses an attitude self-compensation method to the transmitters of wMPS based on inclinometer, including the following steps: step 1: arranging inclinometer-combined transmitters according to the mechanism structure of the transmitters; step 2: building a horizontal reference frame based on an automatic level and guide rail; step 3: calibrating rotation relationship between the inclinometer and transmitter coordinate systems by referring to the horizontal reference frame according to the measurement model of the inclinometer and rotation measurement model of the transmitter; step 4: updating the orientation parameters of the transmitters in real time according to the output values of the inclinometer and compensation algorithm for the orientation parameters. The method of the present invention aims at self-compensating the orientation parameters of transmitters in real time and increasing the stability of the system.Type: GrantFiled: December 25, 2017Date of Patent: September 7, 2021Assignee: Tianjin UniversityInventors: Jiarui Lin, Jigui Zhu, Yongjie Ren, Linghui Yang, Siyang Guo
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Publication number: 20200378792Abstract: The present invention discloses an attitude self-compensation method to the transmitters of wMPS based on inclinometer, including the following steps: step 1: arranging inclinometer-combined transmitters according to the mechanism structure of the transmitters; step 2: building a horizontal reference frame based on an automatic level and guide rail; step 3: calibrating rotation relationship between the inclinometer and transmitter coordinate systems by referring to the horizontal reference frame according to the measurement model of the inclinometer and rotation measurement model of the transmitter; step 4: updating the orientation parameters of the transmitters in real time according to the output values of the inclinometer and compensation algorithm for the orientation parameters. The method of the present invention aims at self-compensating the orientation parameters of transmitters in real time and increasing the stability of the system.Type: ApplicationFiled: December 25, 2017Publication date: December 3, 2020Applicant: Tianjin UniversityInventors: Jiarui LIN, Jigui Zhu, Yongjie Ren, Linghui Yang, Siyang Guo
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Patent number: 10830575Abstract: The present invention discloses a synchronization method for multi-station data of dynamic coordinate measurement by a workshop measuring and positioning network. The method comprises the following steps of: determining a measuring and positioning space according to the in-situ measurement dimension, selecting locations for placing several transmitters, calibrating external parameters of the transmitters by a reference ruler, and establishing a measurement field; in a communication data packet of a signal processor, attaching local clock information into the angle information of each transmitter; and setting fixed time nodes on a time axis, and synchronizing data of different transmitters to corresponding time nodes so as to realize data synchronization.Type: GrantFiled: May 26, 2016Date of Patent: November 10, 2020Assignee: Tianjin UniversityInventors: Jigui Zhu, Linghui Yang, Yongjie Ren, Jiarui Lin, Ziyue Zhao
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Patent number: 10801843Abstract: An indoor mobile robot position and posture measurement system based on photoelectric scanning and the measurement method thereof, the measurement system includes: a mobile robot (1) which is arranged with a laser transmitter (2), the peripheral of the laser transmitter (2) is provided with no less than three receivers (3) for receiving the light signals emitted by the laser transmitter (2), and at least one signal processor (4) connected to the receivers (3) for processing signals received by the receivers (3) to determine precise coordinates of the receivers in laser transmitter coordinate system, and a terminal computer (5) wirelessly connected with the signal processor (4) to determine the posture angle and the position of the mobile robot through the distances between the laser transmitter (2) and each receiver (3).Type: GrantFiled: May 27, 2016Date of Patent: October 13, 2020Assignee: Tianjin UniversityInventors: Jigui Zhu, Yongjie Ren, Linghui Yang, Jiarui Lin, Zhe Huang
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Publication number: 20180306571Abstract: The present invention discloses a synchronization method for multi-station data of dynamic coordinate measurement by a workshop measuring and positioning network. The method comprises the following steps of: determining a measuring and positioning space according to the in-situ measurement dimension, selecting locations for placing several transmitters, calibrating external parameters of the transmitters by a reference ruler, and establishing a measurement field; in a communication data packet of a signal processor, attaching local clock information into the angle information of each transmitter; and setting fixed time nodes on a time axis, and synchronizing data of different transmitters to corresponding time nodes so as to realize data synchronization.Type: ApplicationFiled: May 26, 2016Publication date: October 25, 2018Applicant: Tianjin UniversityInventors: Jigui ZHU, Linghul YANG, Yongjie REN, Jiarui LIN, Ziyue ZHAO
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Publication number: 20180216941Abstract: An indoor mobile robot position and posture measurement system based on photoelectric scanning and the measurement method thereof, the measurement system includes: a mobile robot (1) which is arranged with a laser transmitter (2), the peripheral of the laser transmitter (2) is provided with no less than three receivers (3) for receiving the light signals emitted by the laser transmitter (2), and at least one signal processor (4) connected to the receivers (3) for processing signals received by the receivers (3) to determine precise coordinates of the receivers in laser transmitter coordinate system, and a terminal computer (5) wirelessly connected with the signal processor (4) to determine the posture angle and the position of the mobile robot through the distances between the laser transmitter (2) and each receiver (3).Type: ApplicationFiled: May 27, 2016Publication date: August 2, 2018Applicant: Tianjin UniversityInventors: Jigui ZHU, Yongjie REN, Linghui YANG, Jiarui LIN, Zhe HUANG
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Patent number: 9658055Abstract: The present invention relates to an accuracy traceability method based on precision coordinates control network for workshop Measurement Positioning System, which includes the steps: setting a plurality of SMR (Spherically Mounted Retroreflector) nests and stations in the measurement space; forming a global control point by using SMR; measuring all the 3-d coordinates of global control points in all the laser tracker stations; using the range value measured by the laser tracker as constraints to calculate the 3-d coordinates of global control points by using the dynamic weighting method; arranging a plurality of transmitters and calibrating the transmitters in combination with precision coordinate control network; measuring all global control points and measured points simultaneously by using wMPS, and using the 3-d coordinates of global control points as the constraints for adjustment calculation to obtain the 3-d coordinates of the measured points.Type: GrantFiled: March 25, 2014Date of Patent: May 23, 2017Assignee: Tianjin UniversityInventors: Jigui Zhu, Jiarui Lin, Yongjie Ren, Linghui Yang, Yu Ren
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Publication number: 20160265903Abstract: The present invention relates to an accuracy traceability method based on precision coordinates control network for workshop Measurement Positioning System, which includes the steps: setting a plurality of SMR (Spherically Mounted Retroreflector) nests and stations in the measurement space; forming a global control point by using SMR; measuring all the 3-d coordinates of global control points in all the laser tracker stations; using the range value measured by the laser tracker as constraints to calculate the 3-d coordinates of global control points by using the dynamic weighting method; arranging a plurality of transmitters and calibrating the transmitters in combination with precision coordinate control network; measuring all global control points and measured points simultaneously by using wMPS, and using the 3-d coordinates of global control points as the constraints for adjustment calculation to obtain the 3-d coordinates of the measured points.Type: ApplicationFiled: March 25, 2014Publication date: September 15, 2016Applicant: Tianjiin UniversityInventors: Jigui ZHU, Jiarui LIN, Yongjie REN, Linghui YANG, Yu REN