Patents Assigned to Qingdao University of Technology
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Publication number: 20230248046Abstract: Disclosed is a continuous feeding mechanism including a transfer mechanism, wherein the transfer mechanism includes a rotatable indent roller circumferentially provided with a plurality of blanking grooves; a post pin is arranged in each blanking groove; the post pin is connected with a spring; the spring is arranged towards the interior of the indent roller; and the post pin can move along the blanking grooves; a feeding box, wherein the bottom of the feeding box is hollow, and the bottom is arranged above the indent roller or the bottom is fixedly connected with the indent roller; the continuous feeding mechanism is arranged above one side of the transfer mechanism; and an electromagnetic heating mechanism which includes a supporting frame, wherein the transfer mechanism is arranged in the supporting frame, and an electromagnetic coil is circumferentially arranged outside the supporting frame.Type: ApplicationFiled: October 28, 2022Publication date: August 10, 2023Applicants: QINGDAO UNIVERSITY OF TECHNOLOGY, XINJIANG JIANGNING LIGHT INDUSTRY MACHINERY ENGINEERING TECHNOLOGY CO., LTDInventors: Changhe LI, Mingzheng LIU, Ji CHE, Sanqiang ZHANG, Yanbin ZHANG, Dongzhou JIA, Cai WANG, Weidong XIE, Qianqian ZHAO, Mingchuang KANG, Enhao LIU, Zhaohua LI, Yali HOU
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Patent number: 11707810Abstract: A system for machining and positioning an automobile hub and a production line for intelligent cleaning and precision, including upper and lower mounting plates connected vertically. At least three U-shaped blocks are fixed on a top surface of the upper plate. An L-shaped support is mounted between every two blocks, including a screw-equipped ball head disposed thereon. The support is driven by a first driving apparatus to move along the upper mounting plate. A slidable chuck is disposed in each block, with a push rod assembly connected to the bottom. The assembly is driven by a second driving apparatus to move along the upper mounting plate with the chuck. Three wedges are circumferentially fixed on a top surface of the lower plate and are driven by a third driving apparatus to move along the lower plate. Inclined surfaces of the wedges are mated with bottoms of the push rod assemblies.Type: GrantFiled: December 14, 2021Date of Patent: July 25, 2023Assignees: QINGDAO UNIVERSITY OF TECHNOLOGY, HANERGY (QINGDAO) LUBRICATION TECHNOLOGY CO., LTD.Inventors: Changhe Li, Dewei Liu, Zongming Zhou, Qidong Wu, Bingheng Lu, Bo Liu, Yun Chen, Huajun Cao, Cong Mao
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Patent number: 11707807Abstract: Provided is a fixture for automatic assembly, overturning and welding of sidewall aluminum profile of a rail vehicle, comprising a lifting mechanism, a supporting overturning device mounted on the lifting mechanism, an automatic assembling sidewall profile device mounted on the supporting overturning device, and a self-positioning locking device. The automatic assembling sidewall profile device comprises a sidewall-shaped support steel beam, and a rodless cylinder track platform and a fixing seat. The self-positioning locking devices are mounted on the rodless cylinder track platform and the fixing seat, and have a self-positioning base and a locking device. The self-positioning base comprises an outer housing is provided with the locking device and two symmetrically set self-positioning supports, and faces of the two self-positioning supports matching with the rail vehicle aluminum profile are provided with rollers having a V-shaped gap formed therebetween.Type: GrantFiled: June 1, 2022Date of Patent: July 25, 2023Assignees: QINGDAO UNIVERSITY OF TECHNOLOGY, UNIVERSITY OF SHARJAHInventors: Changhe Li, Zhuang Shi, Bo Liu, Huajun Cao, Wenfeng Ding, Xin Cui, Zafar Said, Yanbin Zhang
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Publication number: 20230226760Abstract: A micro-nano 3D printing device with multi-nozzles jet deposition driven by electric field of single flat plate electrode, including: a printing head module group, printing nozzle module group of any material, printing substrate of any material, flat plate electrode, printing platform, signal generator, high-voltage power supply, feeding module group, precision back pressure control module group, XYZ three-axis precision motion platform, positive pressure air circuit system, observation and positioning module, UV curing module, laser rangefinder, base, connection frame, first adjustable bracket, second adjustable bracket, and a third adjustable bracket; the device realizes high throughput micro-nano 3D printing of jet deposition, including different configuration implementation schemes like multi-materials with multi-nozzles, single material with multi-nozzles and single material with multi-nozzles array, improves the printing efficiency, and realizes multi-materials macro/micro/nano printing, high-aspect-ratType: ApplicationFiled: February 2, 2021Publication date: July 20, 2023Applicants: QINGDAO UNIVERSITY OF TECHNOLOGY, QINGDAO 5D INTELLIGENT ADDITIVE MANUFACTURING TECHNOLOGY CO., LTD.Inventors: Hongbo LAN, Guangming ZHANG, Xiaoyang ZHU, Jiankang HE, Dichen LI, Quan XU, Jiawei ZHAO
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Patent number: 11703474Abstract: The present application belongs to the technical field of monitoring of durability of concrete, and particularly relates to a method for optimizing a structure of an electrical capacitance tomography sensor and analyzing an electromagnetic field. A specific process of the method includes eight steps: parameter setting, geometric setting, material setting, mesh generation, physical field setting, solution, sensor structure optimization and calculation of electromagnetic field distribution. The method proposes a new concept for solving a forward problem of an ECT system based on COMSOL software. After modeling is completed, uniformity of a sensitive field of the ECT sensor is analyzed according to calculation results, and structural parameter values of components of the ECT sensor are adjusted to seek an optimal design scheme.Type: GrantFiled: November 26, 2020Date of Patent: July 18, 2023Assignee: QINGDAO UNIVERSITY OF TECHNOLOGYInventors: Peng Zhang, Wentao Wang, Kaiyue Zhao, Jiuwen Bao, Tiejun Zhao
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Patent number: 11691239Abstract: The present disclosure provides a carbide blade grinding forming processing production line, relates to the field of blade processing in forming, and provides a production line for grinding forming processing of a carbide blade with inscribed circular holes, which has functions of blade grinding forming processing, blade cleaning and drying and detection of external dimension of a formed blade, and has an automatic loading and uninstalling function. In most processing course of the blade, the cutter head is taken as a carrier, and an overturning device is configured to overturn a whole cutter die box, such that integral end surface overturning of the cutter head in the cutter die box after single end surface grinding is realized, and blade filling processes in different processing links are reduced.Type: GrantFiled: June 7, 2021Date of Patent: July 4, 2023Assignees: QINGDAO UNIVERSITY OF TECHNOLOGY, NINGBO SANHAN ALLOY MATERIAL CO., LTD.Inventors: Min Yang, Changhe Li, Shuo Yin, Liang Luo, Weixi Ji, Binhui Wan, Wenfeng Ding, Haogang Li, Huajun Cao, Bingheng Lu, Lizhi Tang, Xin Cui, Mingzheng Liu, Yanbin Zhang, Jie Xu, Huiming Luo, Haizhou Xu, Huaping Hong, Teng Gao, Yuying Yang, Wuxing Ma, Shuai Chen
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Patent number: 11685877Abstract: A super-lubricity water lubricating additive, a super-lubricity water lubricant, a preparation method and application, wherein the additive is of a hollow spherical shell structure which includes at least one layer of spherical shell; the spherical shell sequentially includes a first polydopamine layer, a nanoparticle layer, a second polydopamine layer and an oxidized graphene layer from inside to outside, or a first polydopamine layer, a nanoparticle layer, a second polydopamine layer, a graphene layer and a third polydopamine layer from inside to outside; and nanoparticles of the nanoparticle layer are nano diamond, nano molybdenum disulfide or nano tungsten disulfide. The additive is prepared into a uniform aqueous solution to obtain the super-lubricity water lubricant. The additive can be easily adsorbed on a dual surface, and the nanoparticles released in a friction process cooperate with spherical oxidized graphene or graphene to form rolling friction so as to reduce frictional abrasion.Type: GrantFiled: July 21, 2020Date of Patent: June 27, 2023Assignee: QINGDAO UNIVERSITY OF TECHNOLOGYInventors: Qinglun Che, Jianjun Zhang, Sen Liang, Ning Cui, Binjiang Lv, Yang Xu, Xinghua Ma
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Publication number: 20230200247Abstract: A method for preparing a static/dynamic three-dimensional (3D) microcrack propagation sensor, a sensor and equipment, belongs to the field of sensor technology.Type: ApplicationFiled: December 20, 2022Publication date: June 22, 2023Applicant: QINGDAO UNIVERSITY OF TECHNOLOGYInventors: Jianlin LUO, Xiaoyang ZHOU, Huarong NIE, Yibo GAO, Zhiqing LI, Min ZHU
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Patent number: 11680884Abstract: An apparatus and a method for testing water absorption of concrete in a direction parallel with load applying direction are provided. The apparatus includes a loading device, a water filling device, and a monitoring device. The loading device includes an upper support plate and a lower support plate connected with the upper support plate via multiple threaded rods, and a space for placing a concrete specimen formed between the upper support plate and the lower support plate. The water filling device includes a water filling cylinder having a side connected with a water supply tank via an inlet pipe, and another side connected with a water storage tank via an outlet pipe. The monitoring device includes a mass sensor arranged under the water storage tank and a strain gauge for detecting change of stress of the concrete specimen.Type: GrantFiled: February 14, 2020Date of Patent: June 20, 2023Assignee: QINGDAO UNIVERSITY OF TECHNOLOGYInventors: Peng Zhang, Jiuwen Bao, Shuguo Li, Tiejun Zhao
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Publication number: 20230184113Abstract: The invention relates to the grouting field, in particular to a grouting device for high-coagulability grouting materials. The grouting device comprises a grouting pipe, a connector and a self-sealing pipe head, wherein one end of the connector is connected with a grouting pump through the grouting pipe, the other end of the connector is connected with the self-sealing pipe head through the grouting pipe, and the grouting pipe is connected with the connector and the self-sealing pipe head in a fixed and sealed mode. The grouting device is easy to install, features reliable connection between the grouting pipe and the connector and the self-sealing pipe head, and can be reused. Because the inner diameter of the connector is consistent with the inner diameter of the grouting pipe, and a slurry outlet on an end cap of the self-sealing pipe head is a circular slurry outlet, pressure loss in the grouting process is effectively reduced, and the grouting effect is good.Type: ApplicationFiled: July 1, 2021Publication date: June 15, 2023Applicants: Qingdao University of Technology, Qingdao Metro Line 6 Co., Ltd., CHN Energy Baoshen Railway Group Co.,LtdInventors: Zhongnian YANG, Zhengyi XU, Quanwei LIU, Xianzhang LING, Cheng HUANG, Xiu LIU, Linsheng LIU, Xixi HUANG
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Patent number: 11673181Abstract: The present invention discloses a device and method for installing and adjusting a sliding block of a multipoint crank press. The device comprises a crank, a connecting rod with an end provided with a U-shaped notch, a sliding block and an eccentric pin shaft micro-adjustment mechanism. The eccentric pin shaft micro-adjustment mechanism is installed at the joint between the connecting rod and the sliding block. The crank, the connecting rod and the sliding block of the multipoint press are normally machined and installed through a classical process, so that the sliding block of the multipoint press runs to a bottom dead center. A gap among mechanisms is eliminated through the loading by a hydraulic loader. The position of one set of crank, connecting rod and sliding block mechanism is taken as a reference, and then the eccentric positions and directions of the eccentric pin shafts at other adjustment positions are finely adjusted, thus realizing high-precision assembly and operation of the multipoint press.Type: GrantFiled: January 17, 2020Date of Patent: June 13, 2023Assignee: Qingdao University of TechnologyInventors: Sen Liang, Xinle Chen, Guangming An
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Publication number: 20230158745Abstract: A 3D printing device and method for integrated manufacturing of functionally gradient materials and three-dimensional structures. The device includes an active and passive mixing and printing module and a constraining and sacrificial layer printing module. An input end of the active mixing module connects to multiple anti-settling feeding modules, and an output end of the active mixing module connects to the passive mixing and printing module. The passive mixing and printing module and the constraining and sacrificial layer printing module are mounted on one side of an XYZ three-axis module. The constraining and sacrificial layer printing module connects to a constraining and sacrificial layer feeding module and prints and forms a functionally gradient three-dimensional structure.Type: ApplicationFiled: February 2, 2021Publication date: May 25, 2023Applicants: QINGDAO UNIVERSITY OF TECHNOLOGY, QINGDAO 5D INTELLIGENT ADDITIVE MANUFACTURING TECHNOLOGY CO., LTD.Inventors: Hongbo LAN, Pengfei GUO, Xin LIN, Guangming ZHANG, Xiaoyang ZHU, Jiawei ZHAO, Quan XU, Jianjun YANG
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Patent number: 11645827Abstract: The present invention relates to a detection method for an assembly body multi-view change based on feature matching, comprising the following steps: S1, acquiring a first image and a second image; S2, performing feature point extraction and feature matching on the first image and the second image to obtain a matching pair set, a first unmatched point set of the first image and a second unmatched point set of the second image; S3, acquiring a first to-be-matched area set of the first image according to the first unmatched point set; acquiring a second to-be-matched area set of the second image according to the second unmatched point set; S4, performing feature matching on each first unmatched area and each second unmatched area one by one to obtain a plurality of matching results; and S5, outputting the assembly body change type according to the plurality of matching results.Type: GrantFiled: June 11, 2021Date of Patent: May 9, 2023Assignee: QINGDAO UNIVERSITY OF TECHNOLOGYInventors: Cheng Jun Chen, Yao Shuai Yue, Dong Nian Li, Jun Hong
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Patent number: 11633876Abstract: A slurry scraping mechanism and an applying and scraping device used in an SG abrasive production process includes a scraping master support; a scraper, wherein the scraper is connected with the scraping master support through a suspension component such that the scraper is suspended, and a damping spring is arranged in the suspension component; and a torsion spring adjusting component, wherein the torsion spring adjusting component includes a plurality of torsion springs supported by a torsion spring support shaft, the torsion spring support shaft is fixed to the scraping master support, the torsion spring support shaft is movable up and down relative to the scraping master support, the torsion springs are clamped in a V-shaped plate, an end side of the V-shaped plate is connected with the scraping master support, and a side surface of the V-shaped plate is connected with the scraper.Type: GrantFiled: February 6, 2020Date of Patent: April 25, 2023Assignees: QINGDAO UNIVERSITY OF TECHNOLOGY, QINGDAO SISA ABRASIVES CO., LTD.Inventors: Changhe Li, Baoteng Huang, Han Zhai, Bingheng Lu, Huajun Cao, Zhen Wang, Qidong Wu, Yanbin Zhang, Min Yang, Yali Hou, Mingzheng Liu, Xin Cui
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Patent number: 11635284Abstract: Provided are a testing apparatus for a pile end settlement of a rock-socketed driven PHC tube pile and an installation method thereof. The testing apparatus comprises a PHC tube pile, two measuring tubes, a cross pile tip, a pile tip steel plate, a fixer fixed in the PHC tube pile, a perforated steel plate located at a pile top of the PHC tube pile and a jack pressed on the perforated steel plate. The two measuring tubes are symmetrically arranged, the fixer is provided with two first measuring tube outlet holes, and the two measuring tubes respectively pass through the first measuring tube outlet holes of the fixer; and the perforated steel plate is also provided with two second measuring tube outlet holes, and the two measuring tubes respectively pass through the second measuring tube outlet holes of the perforated steel plate. (FIG.Type: GrantFiled: June 22, 2022Date of Patent: April 25, 2023Assignees: QINGDAO UNIVERSITY OF TECHNOLOGY, Qingdao Green Technology Geotechnical Engineering Co., Ltd, Zhongji JiuRui Geotechnical Engineering Co., Ltd., Shandong Luqiao Group Co., Ltd., Jinan, China, China State Construction Zhongxin Construction Engineering Co., Ltd.Shandong BranchInventors: Yonghong Wang, Mingyi Zhang, Xiang Fang, Bo Han, Qijun Zhang, Yishun Jiang, Shiqiang Li, Dazhong Xu, Jun Wang, Chuantong Zhang, Yuning Ge, Yamei Zhang, Weihui Tian, Ziguang Jia, Xiaoning Liu
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Patent number: 11630972Abstract: An assembly change detection method based on attention mechanism, including: establishing a three-dimensional model of an assembly body, adding a tag to each part in the three-dimensional model, setting several assembly nodes, obtaining depth images of the three-dimensional model under each assembly node in different viewing angles, and obtaining a change tag image of a added part at each assembly node; selecting two depth images at front and back moments in different viewing angles as training samples; performing semantic fusion, feature extraction, attention mechanism processing and metric learning sequentially on the training samples, training a detection model, continuously selecting training samples to train the detection model, saving model parameters with optimal similarity during training, completing training; and obtaining depth images of successive assembly nodes during assembling the assembly body, inputting depth images into trained detection model, and outputting change image of added part of theType: GrantFiled: June 9, 2021Date of Patent: April 18, 2023Assignee: QINGDAO UNIVERSITY OF TECHNOLOGYInventors: Cheng Jun Chen, Chang Zhi Li, Dong Nian Li, Jun Hong
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Patent number: 11628530Abstract: The present invention discloses a positioning system with an adjustable clamping force and a milling equipment for a rail transit honeycomb workpiece.Type: GrantFiled: December 13, 2021Date of Patent: April 18, 2023Assignees: QINGDAO UNIVERSITY OF TECHNOLOGY, QINGDAO KAWS INTELLIGENT MANUFACTURING CO. LTD.Inventors: Changhe Li, Zhuang Shi, Aiguo Qin, Bo Liu, Yun Chen, Huajun Cao, Zongming Zhou, Naiqing Zhang, Qidong Wu, Bingheng Lu, Teng Gao, Yanbin Zhang, Min Yang, Mingzheng Liu, Xiaoming Wang
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Patent number: 11628993Abstract: An automatic tray loading system and a use method of the same are provided, which includes a stacked tray assembly, including at least one tray which is stacked up, where the at least one tray is provided with several locating slots; a tray lifting platform which includes a tray supporting table being connected with a elevating mechanism; a tray pick and place platform having a working region covers a tray input module, where the tray pick and place platform includes a manipulator which is connected with a multidimensional motion mechanism; and a delivery table including a tray placement plate, where each of the tray placement plate is provided with a groove which is configured to place the at least one layer of trays, and each of the tray placement plates is connected with a linear driving mechanism.Type: GrantFiled: August 18, 2021Date of Patent: April 18, 2023Assignees: Qingdao University of Technology, Ningbo Sanhan Alloy Material Co., Ltd.Inventors: Changhe Li, Yuying Yang, Haogang Li, Liang Luo, Weixi Ji, Binhui Wan, Shuo Yin, Huajun Cao, Bingheng Lu, Lizhi Tang, Xin Cui, Mingzheng Liu, Yanbin Zhang, Jie Xu, Huiming Luo, Haizhou Xu, Min Yang, Huaping Hong, Teng Gao, Wuxing Ma, Shuai Chen
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Patent number: 11603747Abstract: A three-stage degassing and dewatering device includes a first-stage degasser, a second-stage degasser, an oil drainer, a rod electrode, a dewaterer, and a water drainer. The first-stage degasser implements a first-stage axial-flow type collision buffer degassing and dewatering operation, forming a first-stage crude oil after removing some of the gas and water in the gas-containing and water-containing crude oil. The second-stage degasser implements a second-stage elevated efficient degassing operation, forming a second-stage crude oil after removing the remaining gas in the first-stage crude oil. The rod electrode constructs a dynamic electric field with a high frequency and a high voltage, and implements a third-stage high-frequency and high-voltage rapid dewatering operation together with the dewaterer, forming a qualified crude oil after removing the remaining water in the crude oil emulsion.Type: GrantFiled: March 25, 2021Date of Patent: March 14, 2023Assignee: QINGDAO UNIVERSITY OF TECHNOLOGYInventors: Xinfu Liu, Qingping Li, Youqiang Wang, Chunhua Liu, Zhongxian Hao, Feng Liu, Ji Chen, Guanghai Yu, Xiaoming Wu, Xiaolei Wang
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Patent number: 11604135Abstract: A carbon nanotube (CNT) assembled thin film modified steel wire array electrode, a preparation method and application thereof. The array electrode includes: a surface of a steel wire is negatively modified, and the surface of the steel wire is assembled with a plurality of layers of CNT thin films; one end of the steel wire is welded to a conductor, and a welding position between the steel wire and the conductor is wrapped with an insulating heat shrinkable tube; and the insulating template and the steel wire are encapsulated and cured by using an epoxy resin. The preparation method of the array electrode of the invention mainly includes the following steps: first, performing negative modification on a steel wire, then, assembling CNT thin films on the steel wire, and preparing the modified array steel wire into the CNT assembled thin film modified steel wire array electrode.Type: GrantFiled: April 16, 2020Date of Patent: March 14, 2023Assignee: QINGDAO UNIVERSITY OF TECHNOLOGYInventors: Jianlin Luo, Zuquan Jin, Xueqing Zhu, Jigang Zhang