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公开(公告)号：EP4406809A1
公开(公告)日：2024-07-31
申请号：EP22872183.3
申请日：2022-09-26
发明人： DING, Sansan , GAO, Yulong , SUN, Houli , WANG, Xiaoming , ZHANG, Xiongfei , CHEN, Dongfang , WANG, Shi , ZHANG, Lianhe , XIAO, Peng , ZHANG, Yi , RUAN, Dawei
IPC分类号： B61F5/52
CPC分类号： Y02T30/00
摘要： A frame, a bogie, and a rail vehicle. The frame comprises two side beams and two cross beams connected between the two side beams; air springs of the bogie are mounted on the side beams; at least one auxiliary beam is connected between the two cross beams; the inner cavity of the auxiliary beam is divided into a first cavity and a second cavity; the first cavity is communicated with the inner cavity of one of the cross beams so as to jointly serve as an additional air chamber of one of the air springs, and the second cavity is communicated with the inner cavity of the other of the cross beams so as to jointly serve as an additional air chamber of the other of the air springs. In the present solution, the auxiliary beam of the bogie frame is used as a connecting member for connecting the front and rear two cross beams and is also divided into the first cavity and the second cavity, and the first cavity and the second cavity can be communicated with the inner cavities of the cross beams so as to serve as the additional air chambers of the air springs mounted on the bogie frame, such that the volume of the additional air chambers is increased, and the structure of the frame is simplified.
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公开(公告)号：EP4332539A1
公开(公告)日：2024-03-06
申请号：EP22794923.7
申请日：2022-04-27
发明人： WU, Donghua , MIAO, Xin , LI, Yanmin , JIANG, Shouliang , CHEN, Jian , HAN, Jiyu
IPC分类号： G01M17/08
摘要： A detection system for a suspension system of a maglev train, comprising a detection component (20) and a controller (10), wherein the detection component (20) comprises a driving unit (21) and first and second test coil units (22, 23); the number, position and size of a gap coil of a first test coil set (221) of the first test coil unit (22) corresponds to that of a suspension sensor (01) to be detected; and the number, position and size of a speed coil of a second test coil set (231) of the second test coil unit (23) corresponds to that of the suspension sensor (01). The controller (10) is communicatively connected to the driving unit (21) and a suspension controller (02). The driving unit (21) is used to send a drive signal to the first test coil unit (22) and/or the second test coil unit (23) according to a control instruction of the controller (10), and the controller (10) is used to acquire parameter information fed back by the suspension controller (02). The detection system is capable of performing debugging, detection, fault simulation and troubleshooting of the suspension system of a current vehicle, thus avoiding a test bench specially constructed for detection, greatly reducing detection costs, and increasing detection efficiency.
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公开(公告)号：EP4275987A1
公开(公告)日：2023-11-15
申请号：EP21917230.1
申请日：2021-12-02
发明人： CAO, Qingda , YANG, Weidong , CAO, Hongyong , ZHOU, Junfeng , LV, Jianfa
摘要： A framework of a bogie and the bogie. The bogie comprises a magnetic track braking device (4). The framework of the bogie comprises a framework structure enclosed by two cross beams (1) and two side beams (2); position limiting bases (3) are respectively fixedly provided on the lower end faces of two side ends of each cross beam (1); each position limiting base (3) comprises a stop portion (31) and a positioning portion (32); the stop portion (31) can abut against and match an abutting portion (42) provided on the magnetic track braking device (4); a position stop direction of the stop portion (31) provided on one cross beam (1) is opposite to a position stop direction of the stop portion (31) provided on the other cross beam (1); and the positioning portion (32) can match a matching portion (43) provided on the magnetic track braking device (4), such that the magnetic track braking device (4) can move in the height direction with respect to the framework.
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公开(公告)号：EP4269207A1
公开(公告)日：2023-11-01
申请号：EP21944876.8
申请日：2021-12-02
发明人： LIU, Zhenshuai , ZHANG, Xiaobo , TU, Qinshu , DU, Jian , TIAN, Honglei
IPC分类号： B61D17/02
摘要： A fixed hood, a front hood and a rail vehicle. The fixed cover comprises a mounting frame (1) and a fixed cover body, and the mounting frame (1) is configured to be detachably connected to a vehicle front end bearing structure; the fixed cover body is provided outside the mounting frame (1); the fixed cover body comprises a top cover body (2), a bottom cover body (4) and two side cover bodies (3) which are separately provided; the top cover body (2), the bottom cover body (4) and the two side cover bodies (3) are detachably connected to the mounting framework (1), separately; the two side cover bodies (3) are symmetrically provided between the top cover body (2) and the bottom cover body (4), such that the top cover body (2), the two side cover bodies (3) and the bottom cover body (4) define a front end opening (5).
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公开(公告)号：EP4263316A1
公开(公告)日：2023-10-25
申请号：EP21839481.5
申请日：2021-12-15
申请人： CRRC QINGDAO SIFANG CO., LTD. , CG Rail - Chinesisch-Deutsches Forschungs - Und Entwicklungszentrum Für Bahn - Und Verkehrstechnik Dresden GmbH
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公开(公告)号：EP4257448A1
公开(公告)日：2023-10-11
申请号：EP21899501.7
申请日：2021-04-06
发明人： MA, Lijun , ZHANG, Zhenxian , FENG, Yonghua , ZHAO, Changlong , LIU, Shaoqing , LIANG, Haixiao , WEI, Jiaqi , ZHAO, Gumeng , LIANG, Junhai , ZHANG, Zhiyi , LIU, Yaping
IPC分类号： B61K9/12
摘要： A railway vehicle, and a control method and system for a tread profile of a railway vehicle. The control method comprises: step S1, obtaining a lateral acceleration signal of a wheel set; step S2, determining whether a first number of continuous peak values greater than or equal to a first set value present in the lateral acceleration signal or not, and if yes, executing the following step S3; step S3, controlling a tread modification device of a corresponding wheel set to enter a modification mode; step S4, determining whether a first action condition is satisfied or not, and if yes, executing the following step S5; step S5, controlling the tread modification device to perform online state repair on tread profiles of wheels of the corresponding wheel set; step S6, determining whether a second number of continuous peak values less than or equal to a second set value present in the lateral acceleration signal or not, and if yes, executing the following step S7, the second set value being less than the first set value; and step S7, controlling the tread modification device of the corresponding wheel set to exit the modification mode. By means of the control method, an off-line lathing cycle of wheels can be extended.
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公开(公告)号：EP4205896A1
公开(公告)日：2023-07-05
申请号：EP21881462.2
申请日：2021-02-10
发明人： HAN, Xiaohui , XU, Ye , ZHANG, Zhiyi , YE, Jiehe , CAO, Jinshan
摘要： An electric resistance spot welding device, comprising a pair of electrodes located on the same welding surface of an assembly to be welded. The assembly to be welded is provided with an axis of symmetry (6); the pair of electrodes are symmetrically disposed on two sides of the axis of symmetry; one end of each electrode has a special-shaped contact surface (20); the special-shaped contact surfaces are respectively offset in directions away from the axis of symmetry relative to the electrode axis, wherein the special-shaped contact surfaces are used for offsetting a current density centerline (21) formed by the electrodes in a direction away from the axis of symmetry relative to the electrode axis (11), and/or used for deflecting the tendency of the current density of each electrode away from a welding face within the assembly to be welded. The device can achieve a symmetrical and uniform shape of distal and proximal ends of a nugget with respect to the axis of symmetry, such that both the shape and stress state of the nugget can meet requirements for mechanical properties under load, thus improving the welding quality. The present application also relates to an electric resistance spot welding method.
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公开(公告)号：EP4120527A1
公开(公告)日：2023-01-18
申请号：EP21768242.6
申请日：2021-01-26
发明人： LIANG, Jianying , LIU, Xiankai , WU, Donghua , HAN, Weitao , LUAN, Jin , JIANG, Fujie
摘要： A linear motor for a maglev train, and a maglev train. The linear motor comprises a primary part and a secondary part arranged opposite to each other. An air gap is reserved between the primary part and the secondary part. The air gap has a first spacing in a nonoperating state, and has a second spacing in an operating state. The side surface of the primary part facing the secondary part is provided with a magnetically conductive film, the magnetically conductive film has elasticity in the thickness direction, and the thickness of the magnetically conductive film is greater than the first spacing and less than the second spacing. The magnetically conductive film comprises magnetically conductive base bodies and nonmagnetically conductive base bodies alternately distributed along the surface of the magnetically conductive film, and the magnetically conductive base bodies are filled with magnetically conductive materials. The magnetically conductive base bodies cover magnetic poles on the side surface of the primary part facing the secondary part, and the nonmagnetically conductive base bodies shield gaps between the adjacent magnetic poles. Air gap spacing can be reduced by means of the magnetically conductive film, and the driving efficiency of the whole vehicle system is improved.
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89.发明公开
公开(公告)号：EP4043315A1
公开(公告)日：2022-08-17
申请号：EP21851478.4
申请日：2021-02-23
发明人： WANG, Haitao , WANG, Xu , QIAO, Qingfeng , YIN, Hao , HU, Haitao
摘要： A thrust conversion mechanism for a gauge-variable wheelset, an unlocking device, and a gauge-variable wheelset. A thrust conversion mechanism (100) comprises a mounting base (101) and a pushing shaft (102), wherein the mounting base (101) is provided with a horizontal through hole in a horizontal direction; the pushing shaft (102) movably passes through the horizontal through hole; an open groove is formed where the pushing shaft (102) is opposite the mounting base (101) and is located at one of the pushing shaft (102) and the mounting base (101), the axis of the open groove is perpendicular to the axis of the horizontal through hole, a positioning member is mounted in the open groove, and the positioning member is connected to the open groove by means of an elastic pre-tightening member; and the other one of the pushing shaft (102) and the mounting base (101) is configured with a positioning recess, and a positioning end of the positioning member matches the positioning recess.
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公开(公告)号：EP3988814A1
公开(公告)日：2022-04-27
申请号：EP20827428.2
申请日：2020-05-18
发明人： WANG, Xu , KONG, Haipeng , CAO, Xiaoning , ZHANG, Zhenxian , LIANG, Haixiao
摘要： An active control anti-yaw damper (100) is provided. When a piston (2) of the active control anti-yaw damper (100) reciprocates inside a hydraulic cylinder (1), an interior of the hydraulic cylinder (1) is divided into two cylinder blocks (PA, PB) which communicate with an oil reservoir through two main oil lines respectively to form a primary loop between the hydraulic cylinder (1) and the oil reservoir; a reversing valve (PV3) is installed between the two main oil lines and the oil reservoir and is configured to change a flow direction of the primary loop when the active control anti-yaw damper (100) is in an active mode and adjust a displacement of the piston (2) within the hydraulic cylinder (1).
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