Patents Assigned to CRRC QINGDAO SIFANG CO., LTD.
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Patent number: 10733339Abstract: A vehicle body composite coating, comprising, in succession, a polyurethane finishing coat, a polyurethane intermediate layer, a polyester putty and a micro-arc oxidation ceramic layer undercoat, wherein the micro-arc oxidation ceramic layer undercoat is on an aluminium substrate of the vehicle body. The design method of the vehicle body composite coating includes establishment of a physical model, selection of an optimal thickness ratio, preparation of the vehicle body composite coating and an erosion test. The vehicle body composite coating enhances the binding force between the whole coating system and the aluminium alloy substrate, reduces the possibility of shedding of the coating as a whole, and improves the anti-erosion performance of the vehicle body composite coating.Type: GrantFiled: September 22, 2015Date of Patent: August 4, 2020Assignee: CRRC QINGDAO SIFANG CO., LTD.Inventors: Shixin Zhang, Xiaocheng Wang, Chuantian Wu, Zhanling Zhang, Shitao Li, Wen Li, Lichun Meng, Shaoqing Liu, Xiaojun Deng
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Patent number: 10730145Abstract: A beam structure includes a lower cover plate, an upper cover plate and two side web plates jointed between the upper cover plate and the lower cover plate; wherein the two side web plates are arranged perpendicularly to the upper cover plate and the lower cover plate, respectively, to form a hollow box-shaped structure; rib plates protruding outwardly with a plurality of plug heads are welded within the box-shaped structure; the plug heads are respectively plugged in the upper cover plate, the two side web plates and the lower cover plate, and each plugging joint is fixed by laser-MAG hybrid welding from outside of the box-shaped structure. The method includes: assembling two side web plates, rib plates and a lower cover plate on an upper cover plate to form a box-shaped structure; and welding each of joints from outside of the box-shaped structure by laser-MAG hybrid welding.Type: GrantFiled: August 25, 2017Date of Patent: August 4, 2020Assignee: CRRC QINGDAO SIFANG CO., LTD.Inventors: Xiaohui Han, Yanqiang Zhao, Yonggang Liu, Longxi Liu, Chuanqi Tao, Xifeng Fang, Ruiquan Gao
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Publication number: 20200180160Abstract: An automated wire drawing system for a side wall of a railway vehicle and a process method using the system for wire drawing operation are provided. The automated wire drawing system comprises a central control system, a robot, a wire drawing device, a railway, a laser measurement system, an offline programming software and an electronic system, so that the wire drawing operation of the side wall of a vehicle body can be automatically finished. The process method can realize the automated flexible and intelligent wire drawing operation, the change of the surface shape of a work piece within a certain range can be automatically adopted, and a constant normal wire drawing force is always maintained, to achieve the optimal wire drawing effect.Type: ApplicationFiled: August 29, 2017Publication date: June 11, 2020Applicant: CRRC QINGDAO SIFANG CO., LTD.Inventors: Hao LU, Tiehao ZHANG, Chuanqi TAO, June JING
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Publication number: 20200180664Abstract: A side sliding door of a railway vehicle comprises a door body (100), and a driving device for the opening and closing of a doorway. An outer surface of the door body (100) is flush with an outer surface of the vehicle body when the door body (100) is closed. A movement track of the door body is arranged as an arc-plus-linear reciprocating motion. The outer surface of the door body is flush with the outer surface of the vehicle body when the door body is closed, so that there exists no height difference between the vehicle body and a doorway of the side sliding door. Snow accumulation at doorway under an extreme cold working condition is avoided, and then the risk of a door body being frozen is reduced.Type: ApplicationFiled: May 10, 2017Publication date: June 11, 2020Applicant: CRRC QINGDAO SIFANG CO., LTD.Inventors: Shanfei LI, Wenbiao LI, Jiao WANG, Hong LI, Sansan DING
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Patent number: 10668934Abstract: Some embodiments of the present disclosure provide a roof component of a railway vehicle, and a railway vehicle. The roof component of a railway vehicle includes: two upper boundary beams, the two upper boundary beams being provided at an interval; a camber beam component, the camber beam component being provided between the two upper boundary beams; and a transitional structure, provided on the camber beam component, the transitional structure being connected with at least one of the two upper boundary beams. The technical solution of the present disclosure solves the problem in the conventional art of inconvenient connection between a camber beam component and an upper boundary beam, and a transitional structure of the present application facilitates processing and forming.Type: GrantFiled: November 13, 2018Date of Patent: June 2, 2020Assignee: CRRC QINGDAO SIFANG CO., LTD.Inventors: Yang Li, Haiyang Yu, Bo Song, Honglei Tian
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Publication number: 20200156668Abstract: A waste exhaust ventilation door automatic control device comprises a core body (8), an inner door body (2) and an outer door body (1); wherein the core body is fixed on a ventilation opening of the waste exhaust ventilation door, a top of the outer door body is movably hinged on an outer side of the core body, and a bottom of the inner door body is movably hinged on an inner side of the core body; when there is no pressure fluctuation outside the core body, the outer door body and inner door body will open, and when there is pressure fluctuation outside the core body, the outer door body and/or the inner door body will be closed automatically due to a pressure difference between inside and outside the core body. A vehicle body comprising the waste exhaust ventilation door automatic control device is also provided.Type: ApplicationFiled: May 4, 2018Publication date: May 21, 2020Applicant: CRRC QINGDAO SIFANG CO., LTD.Inventors: Shuanbao Yao, Dawei Chen, Conghui Zhang, Peng Lin, Xin Jiang, Yunfeng Li, Shaoqing Liu, Sansan Ding
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Patent number: 10562549Abstract: An inserted connection member for a train connector includes an insertion needle, an insulator, a disconnection preventing pad and an extrusion block. The insulator is sequentially provided with a positioning hole and an inserted connection hole in an axial direction. The insertion needle includes a line connecting segment, a positioning segment and an inserted connection segment which are connected sequentially, the line connecting segment and the positioning segment are arranged in the positioning hole. The disconnection preventing pad and the extrusion block are both sleeved on the line connecting segment, and the disconnection preventing pad includes a pad body and a boss arranged on the pad body. Thus, the insertion needle is ensured to maintain a stable contact even when the train is running at a high speed, and a disconnection preventing effect of the insertion needle is achieved.Type: GrantFiled: February 17, 2017Date of Patent: February 18, 2020Assignee: CRRC QINGDAO SIFANG CO., LTD.Inventors: Weikai Yu, Xiaojun Deng, Shaoqing Liu, Wei Kang, Shi Xiao, Jin Yu, Shiping Gao, Guimei Deng, Yan Wang, Bo Zhang, Junchao Zhou
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Publication number: 20200039539Abstract: A device for connecting a cross member for receiving pivot pins on two lower longitudinal members of a car body for a rail vehicle. The cross member has a transversal part that connects the two longitudinal members to each other in the region of the connection, and a longitudinal part that extends to the closest car front. The lower longitudinal members extend over the complete length of the car body and consist of multi-chamber hollow profiles made of a fibre composite material. The number of chambers of the multi-chamber hollow profile of each longitudinal member is reduced in the region of the connection such that the wall material of at least one chamber was removed in such a way that the webs to the adjacent chambers are exposed. At these places, load-introducing elements engage, to which load-introducing elements the cross member is attached.Type: ApplicationFiled: February 7, 2018Publication date: February 6, 2020Applicants: CRRC QINGDAO SIFANG CO., LTD., CG RAIL - CHINESISCH-DEUTSCHES FORSCHUNGS-UND ENTWICKLUNGSZENTRUM FüR BAHN- UND VERKEHRSTECHNIK DRESInventors: Jianying LIANG, Chongcheng ZHONG, Jiajie HE, Junhai LIANG, Jian DU, Dawei RUAN, Werner HUFENBACH, Andreas ULBRICHT
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Publication number: 20200010098Abstract: The invention relates to a head module for a rail vehicle, said head module being suitable to be detachably fixed to the front face of a subsequent railcar unit without additional underframe. The head module consists of an inner and an outer shell and includes three systems which convert, in the event of a crash, the collision energy into a deformation one after the other or simultaneously and substantially independently of another.Type: ApplicationFiled: February 2, 2018Publication date: January 9, 2020Applicants: CRRC QINGDAO SIFANG CO., LTD., CG RAIL - CHINESISCH-DEUTSCHES FORSCHUNGS- UND ENTWICKLUNGSZENTRUM FÜR BAHN- UND VERKEHRSTECHNIKInventors: Sansan DING, Yuanmu ZHONG, Hengkui LI, Xiangang SONG, Lu JIN, Qinfeng WANG, Bingsong WANG, Werner HUFENBACH, Andreas ULBRICHT
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Publication number: 20200001554Abstract: The invention relates to a method for connecting a connection piece to a U-shaped ring anchor for a head module for rail vehicles, the head module consisting predominantly of fiber-reinforced plastic material and having an outer shell and the ring anchor consisting of fiber-reinforced plastic material and being arranged in the roof region of the outer shell as a stiffening means. According to the method, connecting elements are fed through the dry or matrix-material-impregnated, unconsolidated fiber reinforcement structure of the ring anchor.Type: ApplicationFiled: February 5, 2018Publication date: January 2, 2020Applicants: CRRC QINGDAO SIFANG CO., LTD., CG RAIL - CHINESISCH-DEUTSCHES FORSCHUNGS-UND ENTWICKLUNGSZENTRUM FOR BAHN- UND VERKEHRSTECHNIKInventors: Jian DU, Peng LIN, Dongfang CHEN, Zhengmin ZHANG, Yonggui ZHANG, Chunpeng CAO, Werner HUFENBACH, Andreas ULBRICHT
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Publication number: 20200001904Abstract: A connecting element for fastening connection pieces to fiber composite components made of at least one fiber layer and of matrix material is provided, the connecting element has a screw- or bolt-like shape, the connecting element includes a tip at one end thereof, which tip supports the penetration of the fiber layers of the fiber composite component in the dry or matrix-impregnated, unconsolidated state, and comprising a casing in the region that comes in contact with matrix material of the fiber composite component, but at least in the region that comes in contact with the reinforcing fibers of the fiber composite component.Type: ApplicationFiled: February 8, 2018Publication date: January 2, 2020Applicants: CRRC QINGDAO SIFANG CO., LTD., CG RAIL - CHINESISCH-DEUTSCHES FORSCHUNGS- UND ENTWICKLUNGSZENTRUM FÜR BAHN- UND VERKEHRSTECHNIK DREInventors: Yunshuang MA, Shuxiang CHEN, Yongfeng TAI, Jinghai JIAO, Zhengyu SONG, Jiajie HE, Werner HUFENBACH, Andreas ULBRICHT
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Publication number: 20200001903Abstract: The application relates to a crash system for the head module of a rail vehicle, said head module being detachably fixed to the front face of a subsequent railcar unit without additional underframe. The crash system has a crash conduction element that carries a crash box at its front end and the back end of which is fixed to the underframe support of the subsequent railcar unit. In the event of a crash, crash forces are thus absorbed by the underframe of the subsequent railcar unit.Type: ApplicationFiled: February 6, 2018Publication date: January 2, 2020Applicants: CRRC QINGDAO SIFANG CO., LTD., CG RAIL - CHINESISCH-DEUTSCHES FORSCHUNGS-UND ENTWICKLUNGSZENTRUM FOR BAHN- UND VERKEHRSTECHNIKInventors: Sansan DING, Honglei TIAN, Peng LIN, Junshuang CAI, Qing XU, Letian TENG, Dawei RUAN, Chongcheng ZHONG, Werner HUFENBACH, Andreas ULBRICHT
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Patent number: 10518789Abstract: A coupler assembly, arranged at a front end of a vehicle head of a rail vehicle, includes: a coupler mounting base fixed to the vehicle head; a coupler fixedly mounted to the coupler mounting base, and a supporting component provided at each of two sides of the coupler mounting base. The supporting component has a guiding slide way inclined longitudinally, a front end of the guiding slide way is higher than a rear end of the guiding slide way; a sliding component is fixedly provided at each of the two sides of the coupler mounting base, and the sliding component slidably cooperates with the guiding slide way at a respective side; and the coupler assembly is configured such that in an initial state, the coupler mounting base is fixedly connected to the supporting component, and the sliding component is located at a front end of the guiding slide way.Type: GrantFiled: September 29, 2017Date of Patent: December 31, 2019Assignee: CRRC QINGDAO SIFANG CO., LTD.Inventors: Shizhong Zhao, Yonggui Zhang, Aiqin Tian, Sansan Ding, Guidong Tao, Quanwei Che, Yangyang Yu
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Publication number: 20190389494Abstract: A car body has at least: two lateral walls, each of which is made of a lower and upper longitudinal member that are connected by multiple lateral wall segments and vertically arranged columns, a roof, a base, two end walls or one end wall, and a head module, wherein the lower longitudinal members of the two lateral walls are connected to the base by means of connection elements in the longitudinal direction of the car body, and the upper longitudinal members of the two lateral walls are connected to the roof by means of connection elements in the longitudinal direction of the car body. The lower and upper longitudinal members are designed as multichamber hollow profiled sections which are continuous over the entire length of the car body, the lower and upper longitudinal members are made of fiber-reinforced plastic, and the connection elements at least partly consist of metal.Type: ApplicationFiled: February 6, 2018Publication date: December 26, 2019Applicants: CRRC QINGDAO SIFANG CO., LTD., CG RAIL - CHINESISCH-DEUTSCHES FORSCHUNGS- UND ENTWICKLUNGSZENTRUM FüR BAHN-UND VERKEHRSTECHNIK DRESInventors: Sansan DING, Jianying LIANG, Jian DU, Qinshu TU, Chuangang LIU, Hong LI, Yunqi SHI, Werner HUFENBACH, Andreas ULBRICHT
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Patent number: 10507847Abstract: A central traction device for a straddling monorail train includes a traction pin and a traction beam. A central sleeve is provided at the center of the traction beam, and the traction pin is mounted in the central sleeve. An inner cavity of the central sleeve has a corset-shaped structure having large diameters on an upper end and a lower end and a small diameter at a middle part, forming double tapered bevels, and a resilient rubber bush is provided between an inner wall of the central sleeve and the traction pin. The device has a simple and compact overall structure and facilitates connection and separation between the train body and the bogie; by providing the lift assembly, the traction device is fixedly connected to the frame, thus the traction device can be wholly lifted; and operation process and environment of raising and lowering the vehicle are improved.Type: GrantFiled: December 13, 2016Date of Patent: December 17, 2019Assignee: CRRC QINGDAO SIFANG CO., LTD.Inventors: Jinming Zhou, Yuejun Zhang, Huijie Zhang, Lijun Ma, Xiaojun Lv, Haiqin Zhao, Xiaojiang Zhou, Shuliang Song, Wei Zhao, Yujie Shi, Chaozhi Zhai
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Publication number: 20190351630Abstract: The application relates to a method for producing a hollow support from a fiber composite material, to a core designed as a hollow body, to the use of said core, and to the use of said hollow support made from fiber composite material.Type: ApplicationFiled: February 1, 2018Publication date: November 21, 2019Applicants: CRRC QINGDAO SIFANG CO., LTD., CG RAILl -CHINESISCH-DEUTSCHES FORSCHUNGS-UND ENTWICKLUNGSZENTRUM FüR BAHN-Inventors: Sansan DING, Xiaojun DENG, Yuwen LIU, Xu CHEN, Li DONG, Mao CAI, Xu ZHANG, Werner HUFENBACH, Andreas ULBRICHT
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Patent number: 10471975Abstract: An anti-derailment safety device is in a shape of an inverted letter L and includes a transverse portion and a longitudinal portion perpendicular to the transverse portion at a side below the transverse portion; two sides of the transverse portion in a width direction of the transverse portion are each provided with an installation seat formed by a wing plate extending outwardly, and bolt holes are provided on the installation seat; and an inner side surface of the longitudinal portion is a stopping surface.Type: GrantFiled: November 16, 2015Date of Patent: November 12, 2019Assignee: CRRC QINGDAO SIFANG CO., LTD.Inventors: Zhenxian Zhang, Lijun Ma, Xiaolong Zou, Rongsheng Kuai, Zhibo Zhang
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Patent number: 10464524Abstract: Disclosed is an alarming and unlocking device. The alarming and unlocking device is installed in a passenger carriage and includes a control switch (10), a communication device, and a locking device, wherein the control switch (10) is provided with an alarming position (11) and an unlocking position (12); the control switch (10) is in signal connection with the communication device; when the control switch (10) is located at the alarming position (11), the communication device is started to receive and send a voice signal; the locking device is installed on a door so as to control the door to lock or unlock; the control switch (10) is in signal connection with the locking device; and when the control switch (10) is located at the unlocking position (12), the locking device performs an unlocking operation. According to the alarming and unlocking device, the problem that a structure for an alarming and unlocking device on a vehicle is relatively complex in the conventional art is solved.Type: GrantFiled: December 5, 2016Date of Patent: November 5, 2019Assignee: CRRC QINGDAO SIFANG CO., LTD.Inventors: Bo Chen, Xiaojie Yu, Lijun Ma, Qing Tian, Huiqing Zhang, Qingjun Han, Xin Jiang, Jianying Liang
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Publication number: 20190329800Abstract: A coupler assembly, arranged at a front end of a vehicle head of a rail vehicle, includes: a coupler mounting base fixed to the vehicle head; a coupler fixedly mounted to the coupler mounting base, and a supporting component provided at each of two sides of the coupler mounting base. The supporting component has a guiding slide way inclined longitudinally, a front end of the guiding slide way is higher than a rear end of the guiding slide way; a sliding component is fixedly provided at each of the two sides of the coupler mounting base, and the sliding component slidably cooperates with the guiding slide way at a respective side; and the coupler assembly is configured such that in an initial state, the coupler mounting base is fixedly connected to the supporting component, and the sliding component is located at a front end of the guiding slide way.Type: ApplicationFiled: September 29, 2017Publication date: October 31, 2019Applicant: CRRC Qingdao Sifang Co., Ltd.Inventors: Shizhong ZHAO, Yonggui ZHANG, Aiqin TIAN, Sansan DING, Guidong TAO, Quanwei CHE, Yangyang YU
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Publication number: 20190322296Abstract: The invention relates to bogies for railway vehicles with at least two wheelsets mounted in axleboxes and at least one transverse member. The bogies are in particular characterized in that they have a lightweight design and can be produced at low cost. The axleboxes of a wheelset are articulated to the transverse member via two axle levers so that the axle levers form an H shape with the axleboxes and the transverse member. The transverse member has at least two torsion bars arranged in parallel to the axles of the wheelsets, said torsion bars being firmly connected to the transverse member. The torsion bars have spring levers so that the end portion of the spring lever not connected to the torsion bar acts upon the axlebox.Type: ApplicationFiled: December 7, 2017Publication date: October 24, 2019Applicants: CRRC QINGDAO SIFANG CO., LTD., CG RAIL - CHINESISCH-DEUTSCHES FORSCHUNGS-UND ENTWICKLUNGSZENTRUM FÜR BAHN- UND VERKEHRSTECHNIKInventors: Lijun MA, Pingyu ZHOU, Houli SUN, Xiongfei ZHANG, Yunjie FAN, Xiaoming WANG, Werner HUFENBACH, Andreas ULBRICHT