Patents by Inventor Liqun Zheng

Liqun Zheng 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).

  • Patent number: 11298802
    Abstract: The invention discloses a caliper repairing clamp, which relates to the technical field of calipers and comprises a machine body, wherein a polishing disc is arranged inside the machine body, a protective cover is arranged on the outer surface of the polishing disc, a moving table is arranged below the machine body, a polishing table is arranged above the moving table, a fixed table is fixedly connected to the upper surface of the polishing table, a first bearing is fixedly embedded inside the machine body, a rotating handle is arranged below the moving table, and a first threaded rod is fixedly connected to the upper surface of the rotating handle.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: April 12, 2022
    Assignee: CITIC Dicastal Co., Ltd.
    Inventors: Aijun Sun, Ning Ma, Liqun Zheng
  • Patent number: 11300489
    Abstract: A sand grain corrosion testing device includes a substrate and universal wheels, a collecting hopper is arranged on one side of a top end of first guiding rods; three sets of buffer plates inclined downwards are arranged on an inner side wall of the collecting hopper; a scale rod is arranged at one side of hydraulic devices; an impact box body is supported and mounted on a part, on one side of the scale rod, of the substrate through the supporting legs; a clamp is obliquely mounted on one side of the impact box body; a discharging outlet at the bottom of the impact box body communicates with a collecting tank; one side of the collecting tank is connected with a sand pump; and one side of the sand pump penetrates through a sealing cover plate and communicates with the interior of the collecting hopper.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: April 12, 2022
    Assignee: CITIC Dicastal CO., LTD.
    Inventors: Liqun Zheng, Jinpeng Han
  • Patent number: 11279171
    Abstract: A fixing device for repairing an aluminum alloy wheel hub includes a base and universal wheels connected with the bottom of the base through support legs, wherein one side of the bottom plate is connected with air cylinders; the top of the bottom plate is connected with a fixing plate through a rotating shaft mounted rotationally; corresponding sides of vertical plates at the two sides of the fixing plate are each connected with a pressing plate through two sets of springs; adjusting bolts penetrate through the middles of the vertical plates; a first groove is formed in the middle of the fixing plate; two sets of guide rollers are rotationally mounted in the first groove; a top plate is fixedly mounted at the top of the bracket; a push plate is connected with the bottom of the top plate through a second hydraulic cylinder.
    Type: Grant
    Filed: July 4, 2019
    Date of Patent: March 22, 2022
    Assignee: CITIC Dicastal CO., LTD.
    Inventor: Liqun Zheng
  • Patent number: 11123858
    Abstract: Disclosed in the present disclosure is a hub surface scribing device. Four sets of support rods are arranged symmetrically with each other on right side of a base plate, a set of support blocks are mounted at top of each set of support rods, a first polished rod extends between a set of support blocks on left side and a set of support blocks on right side, a first guide sleeve is slideably connected to the first polished rod, the first polished rod is slideably sleeved with a stop block, a first locking bolt penetrates the stop block, a second polished rod extends through two sets of first guide sleeves, the second polished rod is slideably sleeved with a second guide sleeve, a second locking bolt also penetrates the second guide sleeve, a support block is welded to top of the second guide sleeve.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: September 21, 2021
    Assignee: CITIC DICASTAL CO., LTD
    Inventors: Zuo Xu, Liqun Zheng, Jiwei Zhou
  • Patent number: 11080492
    Abstract: A method and device for correcting an error in a text are provided. The method includes: preprocessing the text to obtain at least one segment of the text; generating a plurality of candidate segments for the segment; scoring the plurality of candidate segments with a tree model, to obtain respective first scoring results of the plurality of candidate segments; scoring the plurality of candidate segments with a deep neural network model, to obtain respective second scoring results of the plurality of candidate segments; for each candidate segment, calculating a scoring of the candidate segment based on the first scoring result and the second scoring result of the candidate segment; ranking the plurality of candidate segments according to the scorings of the candidate segments, to obtain a ranking result; and correcting the error in the text according to the ranking result.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: August 3, 2021
    Assignee: Beijing Baidu Netcom Science and Technology Co., Ltd.
    Inventors: Zhuobin Deng, Liqun Zheng, Xiyi Luo, Zhihong Fu, Jingzhou He
  • Patent number: 10914359
    Abstract: A fixture for sticking balance blocks to the surface of a hub includes a base, in which a fixed plate is welded to one side of the upper end of the base, a slide rail butted to the fixed plate is connected to the other side of the base by bolts, a sliding block is connected to the slide rail in a sliding manner, the middle positions of the fixed plate and the sliding block are respectively connected with a first roller and a second roller of the same type by bearings, each of the first roller and the second roller is sleeved with a rubber sleeve of the same specification, and a support table is mounted under the base.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: February 9, 2021
    Assignee: CITIC Dicastal CO., LTD.
    Inventors: Zuo Xu, Liqun Zheng, Jiwei Zhou
  • Publication number: 20200290176
    Abstract: The invention discloses a caliper repairing clamp, which relates to the technical field of calipers and comprises a machine body, wherein a polishing disc is arranged inside the machine body, a protective cover is arranged on the outer surface of the polishing disc, a moving table is arranged below the machine body, a polishing table is arranged above the moving table, a fixed table is fixedly connected to the upper surface of the polishing table, a first bearing is fixedly embedded inside the machine body, a rotating handle is arranged below the moving table, and a first threaded rod is fixedly connected to the upper surface of the rotating handle.
    Type: Application
    Filed: March 12, 2020
    Publication date: September 17, 2020
    Inventors: Aijun Sun, Ning Ma, Liqun Zheng
  • Publication number: 20200223030
    Abstract: An automatic sand abrasion device includes a shell, an integrated framework, a sand falling mechanism, a sand transport mechanism, a sand falling channel, a sample working frame and a circuit control cabinet, where the device adopts the transport belt and the second speed reduction motor to realize transportation of sand, and realizes that the weighed sand falls into the bottom of the abrasion device through the first speed reduction motor and the automatic weighing machine. The whole process can be automatically operated while parameters such as the operation time and the weight of abrasion sand are set, so that the detection efficiency for the abrasion resistance can be improved, and the labor cost is greatly reduced. The device is firm in structure and stable and reliable in work and improves the accuracy and efficiency of an experiment.
    Type: Application
    Filed: October 8, 2019
    Publication date: July 16, 2020
    Inventors: Jiwei Zhou, Chao Ma, Liqun Zheng, Haifeng Yuan
  • Publication number: 20200192983
    Abstract: A method and device for correcting an error in a text are provided. The method includes: preprocessing the text to obtain at least one segment of the text; generating a plurality of candidate segments for the segment; scoring the plurality of candidate segments with a tree model, to obtain respective first scoring results of the plurality of candidate segments; scoring the plurality of candidate segments with a deep neural network model, to obtain respective second scoring results of the plurality of candidate segments; for each candidate segment, calculating a scoring of the candidate segment based on the first scoring result and the second scoring result of the candidate segment; ranking the plurality of candidate segments according to the scorings of the candidate segments, to obtain a ranking result; and correcting the error in the text according to the ranking result.
    Type: Application
    Filed: November 22, 2019
    Publication date: June 18, 2020
    Applicant: Beijing Baidu Netcom Science and Technology Co., Ltd.
    Inventors: Zhuobin Deng, Liqun Zheng, Xiyi Luo, Zhihong Fu, Jingzhou He
  • Publication number: 20200171880
    Abstract: A fixing device for repairing an aluminum alloy wheel hub includes a base and universal wheels connected with the bottom of the base through support legs, wherein one side of the bottom plate is connected with air cylinders; the top of the bottom plate is connected with a fixing plate through a rotating shaft mounted rotationally; corresponding sides of vertical plates at the two sides of the fixing plate are each connected with a pressing plate through two sets of springs; adjusting bolts penetrate through the middles of the vertical plates; a first groove is formed in the middle of the fixing plate; two sets of guide rollers are rotationally mounted in the first groove; a top plate is fixedly mounted at the top of the bracket; a push plate is connected with the bottom of the top plate through a second hydraulic cylinder.
    Type: Application
    Filed: July 4, 2019
    Publication date: June 4, 2020
    Applicant: CITIC Dicastal CO., LTD.
    Inventor: Liqun ZHENG
  • Publication number: 20200173897
    Abstract: A sand grain corrosion testing device includes a substrate and universal wheels, a collecting hopper is arrange on one side of top end of the first guiding rods; three sets of buffer plates inclined downwards are arranged on inner side wall of the collecting hopper; a scale rod is arranged at one side of hydraulic devices; an impact box body is supported and mounted on a part, on one side of the scale rod, of the substrate through the supporting legs; a clamp is obliquely mounted on one side of the impact box body; a discharging outlet at the bottom of the impact box body communicates with a collecting tank; one side of the collecting tank is connected with a sand pump; and one side of the sand pump penetrates through a sealing cover plate and communicates with the interior of the collecting hopper.
    Type: Application
    Filed: July 16, 2019
    Publication date: June 4, 2020
    Applicant: CITIC Dicastal CO., LTD.
    Inventors: Liqun ZHENG, Jinpeng HAN
  • Patent number: 10664659
    Abstract: Embodiments of the present disclosure disclose a method for modifying a segmentation model based on artificial intelligence, a device and a storage medium. The method may include: acquiring a model parameter of the segmentation model, and performing a training on a feature vector corresponding to a preset generalized feature of a first training corpus via a neural network so as to acquire a model parameter of the preset generalized feature; performing a word segmentation on the first training corpus according to the model parameter of the segmentation model and the model parameter of the preset generalized feature, so as to acquire a segmentation result; and comparing the segmentation result with the first training corpus according to a preset rule, and modifying the model parameter of the segmentation model and a parameter of the neural network according to a comparison result.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: May 26, 2020
    Assignee: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Liqun Zheng, Jinbo Zhan, Qiugen Xiao, Zhihong Fu, Jingzhou He, Guyue Zhou
  • Patent number: 10650096
    Abstract: Embodiments of the present disclosure disclose a word segmentation method based on artificial intelligence, a server and a storage medium. The word segmentation method may include: acquiring a corpus to be segmented and a segmentation model corresponding to a preset segmentation template; matching the corpus to be segmented with the segmentation model according to a preset matching algorithm, and acquiring a target phrase satisfying a first preset rule in the corpus to be segmented; modifying an emission matrix corresponding to the segmentation model and the corpus to be segmented according to the target phrase; and performing a word segmentation on the corpus to be segmented according to the emission matrix modified, to acquire a first segmentation result.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: May 12, 2020
    Assignee: BEIJING BAIDU NETCOM SCIENCE AND TECHONLOGY CO., LTD.
    Inventors: Liqun Zheng, Jinbo Zhan, Qiugen Xiao, Zhihong Fu, Jingzhou He, Guyue Zhou
  • Patent number: 10643033
    Abstract: Embodiments of the present disclosure disclose a method and an apparatus for customizing a word segmentation model based on artificial intelligence, a device and a medium. The method includes the followings. A customized segmentation training corpus is acquired. A first preset word segmentation model is rectified with an increment training method or a weight intervention method, based on the customized segmentation training corpus, to obtain a customized word segmentation model corresponding to the customized segmentation training corpus.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: May 5, 2020
    Assignee: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Liqun Zheng, Jinbo Zhan, Qiugen Xiao, Zhihong Fu, Jingzhou He, Guyue Zhou
  • Publication number: 20190358806
    Abstract: Disclosed in the present disclosure is a hub surface scribing device. Four sets of support rods are arranged symmetrically with each other on right side of a base plate, a set of support blocks are mounted at top of each set of support rods, a first polished rod extends between a set of support blocks on left side and a set of support blocks on right side, a first guide sleeve is slideably connected to the first polished rod, the first polished rod is slideably sleeved with a stop block, a first locking bolt penetrates the stop block, a second polished rod extends through two sets of first guide sleeves, the second polished rod is slideably sleeved with a second guide sleeve, a second locking bolt also penetrates the second guide sleeve, a support block is welded to top of the second guide sleeve.
    Type: Application
    Filed: January 25, 2019
    Publication date: November 28, 2019
    Inventors: Liqun ZHENG, Jiwei Zhou
  • Publication number: 20190360553
    Abstract: A fixture for sticking balance blocks to the surface of a hub includes a base, in which a fixed plate is welded to one side of the upper end of the base, a slide rail butted to the fixed plate is connected to the other side of the base by bolts, a sliding block is connected to the slide rail in a sliding manner, the middle positions of the fixed plate and the sliding block are respectively connected with a first roller and a second roller of the same type by bearings, each of the first roller and the second roller is sleeved with a rubber sleeve of the same specification, and a support table is mounted under the base.
    Type: Application
    Filed: January 25, 2019
    Publication date: November 28, 2019
    Inventors: Liqun ZHENG, Jiwei ZHOU
  • Publication number: 20190095447
    Abstract: Embodiments of the disclosure disclose a method, apparatus, device, and storage medium for establishing an error correction model based on an error correction platform. The method comprises: determining a target error correction level based on an error correction need of a user; and selecting at least one error correction module from each of at least two error correcting portions of the error correction platform based on the target error correction level, and combining the selected error correction module to form an error correction model.
    Type: Application
    Filed: August 3, 2018
    Publication date: March 28, 2019
    Inventors: Qiugen XIAO, Jinbo ZHAN, Kunsheng ZHOU, Liqun ZHENG, Zhihong FU, Jingzhou HE
  • Publication number: 20180365217
    Abstract: Embodiments of the present disclosure disclose a word segmentation method based on artificial intelligence, a server and a storage medium. The word segmentation method may include: acquiring a corpus to be segmented and a segmentation model corresponding to a preset segmentation template; matching the corpus to be segmented with the segmentation model according to a preset matching algorithm, and acquiring a target phrase satisfying a first preset rule in the corpus to be segmented; modifying an emission matrix corresponding to the segmentation model and the corpus to be segmented according to the target phrase; and performing a word segmentation on the corpus to be segmented according to the emission matrix modified, to acquire a first segmentation result.
    Type: Application
    Filed: March 23, 2018
    Publication date: December 20, 2018
    Inventors: Liqun ZHENG, Jinbo ZHAN, Qiugen XIAO, Zhihong FU, Jingzhou HE, Guyue ZHOU
  • Publication number: 20180365208
    Abstract: Embodiments of the present disclosure disclose a method for modifying a segmentation model based on artificial intelligence, a device and a storage medium. The method may include: acquiring a model parameter of the segmentation model, and performing a training on a feature vector corresponding to a preset generalized feature of a first training corpus via a neural network so as to acquire a model parameter of the preset generalized feature; performing a word segmentation on the first training corpus according to the model parameter of the segmentation model and the model parameter of the preset generalized feature, so as to acquire a segmentation result; and comparing the segmentation result with the first training corpus according to a preset rule, and modifying the model parameter of the segmentation model and a parameter of the neural network according to a comparison result.
    Type: Application
    Filed: March 23, 2018
    Publication date: December 20, 2018
    Inventors: Liqun ZHENG, Jinbo ZHAN, Qiugen XIAO, Zhihong FU, Jingzhou HE, Guyue ZHOU
  • Publication number: 20180365227
    Abstract: Embodiments of the present disclosure disclose a method and an apparatus for customizing a word segmentation model based on artificial intelligence, a device and a medium. The method includes the followings. A customized segmentation training corpus is acquired. A first preset word segmentation model is rectified with an increment training method or a weight intervention method, based on the customized segmentation training corpus, to obtain a customized word segmentation model corresponding to the customized segmentation training corpus.
    Type: Application
    Filed: March 30, 2018
    Publication date: December 20, 2018
    Applicant: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Liqun Zheng, Jinbo Zhan, Qiugen Xiao, Zhihong Fu, Jingzhou He, Guyue Zhou