-
1.发明公开
公开(公告)号：EP3936405A1
公开(公告)日：2022-01-12
申请号：EP20825701.4
申请日：2020-05-18
发明人： MA, Lijun , ZHOU, Pingyu , WANG, Xu , QIAO, Qingfeng , LI, Hengkui , WANG, Yutao , SONG, Xiaowen
摘要： A locking mechanism (3) of a gauge-changing wheelset, a gauge-changing wheelset and a gauge-changing bogie. The locking mechanism includes: a traction electromagnet (32) and a locking pin (33), the traction electromagnet (32) includes a traction coil (32-1) and a movable core (32-2) being controlled to move by turning on and off the traction coil (32-1), the locking pin (33) is fixedly connected to an end of the movable core (32-2) away from the traction coil (32-1), a plurality of locking holes (41) are disposed on an inner hub of each of wheels (4) at intervals in an axial direction, and the movable core (32-2) may drive the locking pin (33) to insert into or remove from the locking holes (41) to lock or unlock the wheels (4). The gauge-changing wheelset includes wheels (4) and an axle (5) splined to the wheels, a locking mechanism (3) and lateral drive mechanisms (1), both ends of the axle (5) located outside the wheels (4) are respectively supported in an axle box body (7); the locking mechanism (1) is respectively disposed on the inner side of each of the wheels (4), the lateral drive mechanisms (1) are respectively disposed on the outer side of each of the wheels (4), and is fixed on the axle box body (7), the lateral drive mechanism (1) includes an electric cylinder (11) having an extension end for pushing or pulling unlocked wheels to change the gauge of wheels.
-
公开(公告)号：EP4365055A1
公开(公告)日：2024-05-08
申请号：EP22831122.1
申请日：2022-01-05
发明人： MA, Lijun , ZHANG, Zhenxian , YANG, Weidong , GONG, Yanjun , ZOU, Xiaolong , LI, Yingming , YANG, Dongxiao , CAO, Hongyong , LI, Zhilong , YIN, Hao , KUAI, Rongsheng , WANG, Yuguang , LI, Guangquan , FENG, Zheng , YU, Dahai
IPC分类号： B61F5/52
摘要： A bogie, comprising an articulated mechanism (1), and two side beams (2) which longitudinally extend and are transversely spaced apart, wherein two cross beams (3), which are longitudinally spaced apart, are connected between the two side beams (2); each cross beam (3) comprises a middle section and edge sections located on both sides of the middle section; longitudinal beams (4) are connected between ends, which are located on the same transverse side, of the two middle sections; the articulated mechanism (1) is installed on the two longitudinal beams (4); and at least part of the edge sections are gradually inclined inwards in a transverse direction away from the middle sections. A reduction in a wheelbase of the bogie, and the enhancement of the small-curve passing capacity are facilitated.
-
公开(公告)号：EP4056447A1
公开(公告)日：2022-09-14
申请号：EP21851372.9
申请日：2021-02-10
发明人： MA, Lijun , ZHOU, Pingyu , QIAO, Qingfeng , WANG, Xu , ZHANG, Zhenxian
IPC分类号： B61F7/00
摘要： A gauge-variable wheelset and a rail vehicle. The gauge-variable wheelset comprises an axle (10), a pair of wheels (30), a pair of shaft sleeves (20), an outer sleeve (40) and a linkage mechanism. A section of first non-self-locking threads (21) are arranged on the inner periphery of each shaft sleeve, rotating directions of the pair of first non-self-locking threads are opposite one another, and the pair of wheels (30) are fastened to the pair of shaft sleeves; two sections of second non-self-locking threads (14) which form a non-self-locking thread pair together with the first non-self-locking threads are arranged on the axle (10) at an interval; the wheels (30) are mounted on the axle (10) by means of the shaft sleeves, and the first non-self-locking threads match the second non-self-locking threads; and the outer sleeve (40) is rotatably connected outside the axle (10), the linkage mechanism is mounted between the axle (10) and the outer sleeve (40) and used for locking or unlocking the rotation of the outer sleeve relative to the axle, and when the linkage mechanism unlocks the rotation of the outer sleeve (40) relative to the axle (10) and the wheels (30) are in an unloaded state, the pair of wheels (30) are pushed to synchronously rotate, such that the pair of wheels (30) are close to or far away from each other in order to achieve a variable gauge. The gauge-variable wheelset has simple gauge-variable operation and high gauge-variable reliability.
-
公开(公告)号：EP3439008A1
公开(公告)日：2019-02-06
申请号：EP16896618.2
申请日：2016-12-05
发明人： CHEN, Bo , YU, Xiaojie , MA, Lijun , TIAN, Qing , ZHANG, Huiqing , HAN, Qingjun , JIANG, Xin , LIANG, Jianying
摘要： 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.
-
公开(公告)号：EP3339132A1
公开(公告)日：2018-06-27
申请号：EP16883391.1
申请日：2016-12-13
发明人： ZHOU, Jinming , ZHANG, Yuejun , ZHANG, Huijie , MA, Lijun , LV, Xiaojun , ZHAO, Haiqin , ZHOU, Xiaojiang , SONG, Shuliang , ZHAO, Wei , SHI, Yujie , ZHAI, Chaozhi
摘要： A central traction device for a straddling monorail train comprises a traction pin (9) and a traction beam (10). A central sleeve (22) is disposed at the center of the traction beam (10), the traction pin (9) is mounted in the central sleeve (22), the inner chamber of the central sleeve (22) is of a tightened-waist structure having bigger apertures at the upper end and the lower end and a smaller aperture at the middle part, a biconical inclined plane is formed, and an elastic rubber sleeve is disposed between the inner wall of the central sleeve (22) and the traction pin (9). The device has a simple and compact overall structure, and helps to implement connection and separation between a vehicle body and a bogie; by means of cooperation among the traction beam (10) of the tightened-waist structure, the elastic rubber sleeve and a traction rubber pile (11), transmission of traction force and braking force during operation of a vehicle in function is better implemented, the change of load in a transverse direction and a longitudinal direction as well as loading can also be better adapted, requirements of a larger traction force and a larger load change can be satisfied, and the stability and the comfort during operation of the vehicle are greatly improved.
-
公开(公告)号：EP3988420A1
公开(公告)日：2022-04-27
申请号：EP20910194.8
申请日：2020-05-15
发明人： XUE, Yue , ZHOU, Yeming , MA, Lijun , ZHANG, Zhenxian , ZHANG, Huijie
摘要： A snow-accumulation-preventing and flow guide device for a bogie, and a rail vehicle. The snow-accumulation-preventing and flow guide device for a bogie includes a driving mechanism, and a first flow guide plate (5), a second flow guide plate (6) and a third flow guide plate (7) which are sequentially connected in a length direction of a vehicle body; two sides of the first flow guide plate (5), of the second flow guide plate (6) and of the third flow guide plate (7) are connected by means of extending-retracting portions (8), a top sealing plate (21) is mounted on tops of the first flow guide plate (5) and the third flow guide plate (7), the first flow guide plate (5), the second flow guide plate (6), the third flow guide plate (7), the extending-retracting portions (8) at two sides and the top sealing plate (21) together enclose a sealed cavity (9), top ends of the first flow guide plate (5) and the third flow guide plate (7) are configured to be rotatable around fixed points, the fixed points are provided on the top sealing plate (21) or the vehicle body, a bottom end of the first flow guide plate (5) is rotatably connected to the second flow guide plate (6), the second flow guide plate (6) and the third flow guide plate (7) can be connected to each other in a telescopic and slidable manner, and the driving mechanism drives the flow guide plates (5, 6, 7) to extend and open in a rail direction or retract and close in a direction of the vehicle body.
-
公开(公告)号：EP3551519B1
公开(公告)日：2020-09-23
申请号：EP17828669.6
申请日：2017-12-07
申请人： CRRC Qingdao Sifang Co., Ltd. , CG Rail - Chinesisch-Deutsches Forschungs - Und Entwicklungszentrum Für Bahn - Und Verkehrstechnik Dresden GmbH
-
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.
-
公开(公告)号：EP3428377A1
公开(公告)日：2019-01-16
申请号：EP16893318.2
申请日：2016-12-08
发明人： CHEN, Bo , JIAO, Jinghai , TIAN, Qing , ZHANG, Huiqing , HAN, Qingjun , HOU, Fangdong , WU, Donghua , MA, Lijun
IPC分类号： E05F15/70
摘要： A method, system and device for controlling a door of a railway vehicle are provided. The method comprises: a door control instruction sent by a transponder (30) is received when a railway vehicle draws into the station, wherein the door control instruction is used for determining a door of the railway vehicle at a platform side; and the railway vehicle is controlled to open the door of the railway vehicle at the platform side according to the door control instruction, thereby solving the technical problem that the door of a railway vehicle at the non-platform side may be opened by mistake by a driver due to human factors because the door of the railway vehicle at the platform side is manually opened when the railway vehicle stops.
-
公开(公告)号：EP4032778A1
公开(公告)日：2022-07-27
申请号：EP21849667.7
申请日：2021-03-30
发明人： MA, Lijun , TAO, Guidong , ZHOU, Pingyu , WANG, Xu , QIAO, Qingfeng , ZHANG, Zhenxian , FENG, Yonghua
IPC分类号： B61F7/00
摘要： A wheel mounting bushing (20) for a variable-gauge wheelset. The outer circumferential surface of a first end of the bushing (20) is provided with a wheel mounting seat (24); the outer circumferential surface of a second end of the bushing (20) is provided with an outer spline (22) extending in the axial direction of the bushing; the inner circumferential surface of the second end of the bushing (20) is provided with a first non-self-locking thread (21). The wheel mounting bushing (20) for a variable-gauge wheelset facilitates sliding of the wheel in the axial direction of the axle to achieve gauge change, the connection structure for the axle and the wheel is simple, and the reliability of gauge change is high. Also provided is a variable-gauge wheelset.
-
-
-
-
-
-
-
-
-
搜索结果
13 条记录 (耗时 0.015 秒)
