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公开(公告)号：US11978566B2
公开(公告)日：2024-05-07
申请号：US17045076
申请日：2019-07-31
申请人： Tsinghua University
发明人： Haiquan Zhang , Zuoyi Zhang , Junfeng Nie , Hongke Li , Xin Wang , Jiguo Liu , Yujie Dong
CPC分类号： G21C19/202 , B65G65/4818 , B65G2201/0214
摘要： The present application relates to the field of mechanical engineering technologies, and particularly to an unloading device. The unloading device includes a power mechanism, a transmission mechanism, and an execution mechanism that are connected in sequence from top to bottom; wherein the execution mechanism includes a shafting assembly and a turntable assembly that are connected in sequence from top to bottom; wherein the turntable assembly includes an upper auxiliary fence, a middle main disturbance disk, and a lower reclaiming portion that are arranged in sequence from top to bottom. The unloading device provided by the present application is easy to control, and ensures the reclaiming reliability of the spherical materials and the stability of the sphere flow unloading, which can meet the requirements of long life and reliable operation of the unloading device under light load and low speed working conditions and achieve the convenient maintenance.
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公开(公告)号：US11661282B2
公开(公告)日：2023-05-30
申请号：US17254203
申请日：2019-11-27
申请人： TSINGHUA UNIVERSITY
发明人： Haiquan Zhang , Junfeng Nie , Xin Wang , Hongke Li , Zuoyi Zhang , Yujie Dong
CPC分类号： B65G11/203 , B65G65/32 , B65G69/16 , G21C19/202 , B65G2201/0214
摘要： The present application relates to a spherical object falling buffer device including a flow-limiting pipe assembly and a central column assembly; wherein the flow-limiting pipe assembly includes a flow-limiting pipe, a redirecting joint and a sphere outlet pipe; a diameter of the flow-limiting pipe is greater than that of the sphere outlet pipe, and an inner surface of the redirecting joint is a conical surface; the central column assembly includes at least a central column arranged in the flow-limiting pipe; a flow-guiding region is provided between the flow-limiting pipe and the central column, and a plurality of gravity flow guide grooves are provided on an outer peripheral surface of the central column. The spherical object falling buffer device may restrict, guide and buffer spherical objects during falling, and avoids collision damage of the spherical objects or the stock bin due to the excessive falling speed of the spherical objects.
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公开(公告)号：US11551825B2
公开(公告)日：2023-01-10
申请号：US17261845
申请日：2019-09-19
申请人： TSINGHUA UNIVERSITY
发明人： Haiquan Zhang , Junfeng Nie , Xin Wang , Hongke Li , Liguo Zhang , Jiguo Liu , Zuoyi Zhang , Yujie Dong
摘要： The present disclosure relates to the field of reactor engineering technologies, and particularly to a spherical element detecting and positioning device. The spherical element detecting and positioning device includes a pressure-bearing casing, an internal member and an execution part; the pressure-bearing casing includes a tank body, one sphere inlet adapter pipe and two sphere outlet adapter pipe respectively arranged on the tank body; the internal member is arranged in the rotor counter-bored hole and includes a lining ring and a limit ring; and the execution part includes a turntable and two support lugs. The spherical element detecting and positioning device provided by the present disclosure can achieve triple functions of performing automatic material separation, precise positioning and directional conveyance of spherical elements, has compact structure and simple control, and can meet the operation reliability and maintainability requirements for long-term and intermittent operation under the strong radioactive environment.
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公开(公告)号：US10553323B2
公开(公告)日：2020-02-04
申请号：US15110098
申请日：2014-04-21
申请人： Tsinghua University
发明人： Zandong Han , Haiquan Zhang , Dong Du , Xiaoyang Li , Haipeng Zhou
摘要： A fuel ball detecting method and system with a self-diagnosis function are provided. The method includes: exciting a first detecting coil and a second detecting coil of a fuel ball sensor disposed outside a pipeline; obtaining a first voltage signal U1 from the first detecting coil and a second voltage signal U2 from the second detecting coil; processing U1 and U2 by differential amplification, band pass filtering, phase sensitive detection and low pass filtering by a signal processor to obtain a fuel ball waveform signal U0; determining whether the fuel ball passes the pipeline according to U0 by a single chip microcomputer; determining whether the first and the second detecting coils, the signal processor and the single chip microcomputer work normally; outputting a result showing whether the fuel ball passes the pipeline, when the first and the second detecting coils, the signal processor and the single chip microcomputer work normally.
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