EP3816011B1 - Bogie de véhicule ferroviaire léger - Google Patents

Bogie de véhicule ferroviaire léger Download PDF

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Publication number
EP3816011B1
EP3816011B1 EP19837364.9A EP19837364A EP3816011B1 EP 3816011 B1 EP3816011 B1 EP 3816011B1 EP 19837364 A EP19837364 A EP 19837364A EP 3816011 B1 EP3816011 B1 EP 3816011B1
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EP
European Patent Office
Prior art keywords
pull rod
seat
cover plate
mounting seat
rail vehicle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19837364.9A
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German (de)
English (en)
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EP3816011A1 (fr
EP3816011A4 (fr
Inventor
Yulong Liu
Gongan TAO
Jian Chen
Zhiming Wang
Congjian LIAO
Xinpeng ZHOU
Ti XIAO
Shizhong HE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CRRC Zhuzhou Locomotive Co Ltd
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CRRC Zhuzhou Locomotive Co Ltd
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Publication of EP3816011A1 publication Critical patent/EP3816011A1/fr
Publication of EP3816011A4 publication Critical patent/EP3816011A4/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/50—Other details
    • B61F5/52—Bogie frames

Definitions

  • the present invention belongs to the field of rail transit, and specifically relates to a light rail vehicle bogie.
  • a general subway bogie is of a bolsterless air spring structure such as disclosed in CN 206589893 U .
  • an air spring often matches a bolster structure to adapt to a large turning angle between a bogie and a vehicle body. Since the bolster needs to be installed, the equipment installation space of the bogie space is limited, which is specifically manifested as follows:
  • the existing light rail vehicle substantially does not have an integral lifting structure.
  • the vehicle body is bound with the frame by steel ropes for lifting, which takes time and effort.
  • the present invention aims to provide a bogie that can realize low-position traction of a light rail vehicle and has a more optimized cross beam space.
  • a light rail vehicle bogie includes a frame, the frame includes side beams and a cross beam perpendicular to middle parts of the side beams, the middle part of the side beam is provided with a recessed area, a top of the cross beam is provided with a bolster, the cross beam is composed of two tube bodies spaced longitudinally, both ends of each tube body are provided with connecting seats, and the both ends of the tube body are fixedly connected to the side beams through the connecting seats;
  • the light rail vehicle bogie further includes axle boxes respectively mounted on axle journals of a wheel set, cantilever seats extending inward are providedon the two axle boxes, and a rail brake is suspended on the two cantilever seats;
  • a vertical guide rod is arranged at the top of the magnetic rail brake, a limit seat is mounted on one side of each connecting seat, two limit seatsare respectivelylocated right above two ends of the magnetic rail brake, the limit seat is provided with a through guide hole, and the vertical guide rod is inserted
  • the side beam includes an upper cover plate, a lower cover plate, and two side plates, the four plates define the box-type side beam, and skirts extending laterally are provided on edges of both sides of the upper cover plate and the lower cover plate of the side beam; grooves are laterally formed on the skirts of the upper cover plate and the lower cover plate corresponding to the mounting position of a pull rod mounting seat, the top of the pull rod mounting seat is clamped and fixed in the groove of the upper cover plate, the bottom of the pull rod mounting seat is clamped and fixed in the groove of the lower cover plate, the top of the pull rod mounting seat is flush with the top of the upper cover plate, and the bottom of the pull rod mounting seat is flush with the bottom of the lower cover plate.
  • a pull rod mounting seat is fixedly connected to an outer surface of the middle recessed area of each side beam, both ends of the bolster are respectively provided with cantilevers extending downward in the vertical direction, a pull rod is arranged between each cantilever and the pull rod mounting seat on the same side, one end of the pull rod is mounted to the pull rod mounting seat, and the other end of the pull rod is fixedly connected to a lower end of the cantilever; the two structures assembled from the cantilevers, the pull rod mounting seats and the pull rods by connection are rotationally symmetrical about the central axis of the frame, and the rotation angle ⁇ is 180 degrees.
  • curved surfaces connected by the pull rod mounting seats and the side beams are increased by the grooves, and straight welding seams are changed into curved welding seams, thereby increasing the lengths of the welding seams and improving the connection strength.
  • a stop blockextending laterally is provided on the outer surface of the side beam; a support block is longitudinally arranged on the cantilever, the stop block is provided right above the support block, and a gap is reserved between the stop block and the support block.
  • the above structure is designed to facilitate lifting.
  • the lifting point is on the vehicle body, and the lifting of the vehicle body will drive the bolster to move up, so that the support block abuts against the stop block, and the frame fixed with the stop block is lifted under the support of the support block.
  • the design of this structure makes full use of the improved bolster structure and is the result of further creative thinking, the structure is compact and the design is ingenious, which improves the lifting efficiency of the light rail vehicle.
  • the connecting seat is provided with a kidney-shaped hole, the long axis of the kidney-shaped hole is arranged longitudinally, and the limit seat and the connecting seat are fastened by a fastener inserted into the kidney-shaped hole.
  • the fastener may be a bolt.
  • the limit seat for mounting transition can facilitate the adjustment of the gap during mounting.
  • the cross beam is composed of two tube bodies spaced longitudinally.
  • the so-called “spaced longitudinally” indicates the arrangement direction of the two tubes, and one single beam extends laterally.
  • the two tube bodies are provided with a straddle-type seat that spans the two tube bodies and forms a hoop-type fixed connection with the two tube bodies at the same time, both lateral sides of the straddle-type seat are lateral stop contact surfaces, and both longitudinal end surfaces of the straddle-type seat are motor mounting surfaces.
  • the straddle-type seat integrates the functions of a motor mounting seat and a lateral stop, can serve as a lateral stop and can be used to mount a motor, so the structure is compact, the space of the cross beam is saved relative to the prior art mentioned in the background, and convenience is provided for the installation of other components.
  • the frame of the present invention is an H-shaped frame.
  • the present invention adopts a compact design, and the traction pull rod mounting seat is arranged on the outer side of the middle part of the side beam, which ensures sufficient structural strength of the traction pull rod mounting seat and fully uses the design space.
  • the magnetic rail stop device is cleverly arranged on the connecting seat of the cross beam and the side beam, so that the space is reasonably used, and the structural strength of the magnetic rail stop device is ensured.
  • a light rail vehicle bogie includes an H-shaped frame 1.
  • the frame 1 includes side beams 11 and a cross beam 12 perpendicular to middle parts of the side beams 11.
  • the middle part of the side beam 11 is provided with a recessed area, and the whole side beam is of a bow-shaped structure.
  • a top of the cross beam 12 is provided with a bolster 2.
  • a secondary air spring mounting seat is arranged at a lower plane of the middle part of the side beam for mounting an air spring and connecting the frame with the bolster.
  • a traction pull rod mounting seat is arranged on an outer side of the side beam, and the traction pull rod mounting seat is connected with upper and lower cover plates of the side beam through butt welds based on the upper and lower cover plates, which ensures the structural strength of the traction pull rod mounting seat.
  • the bolster 2 is mounted above the frame through the air spring, and transmits traction force and braking force through a traction pull rod.
  • One end of the traction pull rod is connected to the bolster, and the other end is connected to the traction pull rod mounting seat on the frame 1.
  • the traction pull rod mounting seat is arranged at the middle recessed part of the side beam, which reduces the height of a traction point and improves the adhesion utilization of a vehicle.
  • the side beam is of a box-type beam structure, and the side beam 11 includes an upper cover plate 111, a lower cover plate 112, and two side plates 113.
  • the four plates define the box-type side beam 11, and skirts extending laterally are provided on edges of both sides of the upper cover plate 111 and the lower cover plate 112 of the side beam 11.
  • the middle part of the side beam provides an air spring mounting interface, and four primary rubber spring mounting seats are arranged below both sides of the side beam.
  • the main structure of the side beam is a box-type beam structure welded by high-strength low-alloy steel plates, grooves are reserved at the middle parts of the upper and lower cover plates of the side beam for welding the forged traction pull rod mounting seat, and a cylinder and a circular support plate are welded to the middle part of the upper cover plate of the side beam to form the secondary spring mounting seat.
  • Four primary spring mounting seats of forged structures are arranged below two ends of the side beam.
  • Steel tubes of the cross beam are connected with connecting seats by annular butt welding, and the remaining mounting seats are welded to the steel tubes of the cross beam by annular fillet welds.
  • a pull rod mounting seat 3 is fixedly connected to the outer surface of the middle recessed area of each side beam 11. Grooves 114 are laterally formed on the skirts of the upper and lower cover plates corresponding to the mounting position of the pull rod mounting seat 3.
  • the top of the pull rod mounting seat 3 is clamped in the groove 114 of the upper cover plate 111 and fixed by welding.
  • the bottom of the pull rod mounting seat 3 is clamped in the groove 114 of the lower cover plate 112 and fixed by welding.
  • the top of the pull rod mounting seat 3 is flush with the top of the upper cover plate 111, and the bottom is flush with the bottom of the lower cover plate 112.
  • Both ends of the bolster 2 are respectively provided with cantilevers 21 extending downward in the vertical direction.
  • a pull rod 4 is arranged between each cantilever 21 and the pull rod mounting seat 3 on the same side.
  • One end of the pull rod 4 is mounted to the pull rod mounting seat 3, and the other end is fixedly connected to the lower end of the cantilever 21.
  • a downward overhanging section is on one side of the bolster 2, and the lower end of the overhanging section is a traction pull rod mounting point.
  • An integral lifting device is arranged near the traction pull rod mounting point, and a lifting stop is welded to the side beam of the frame. When the vehicle body is lifted, the bogie can be lifted together with the vehicle body.
  • each cantilever pull rod structure is assembled from the cantilever 21, the pull rod mounting seat 3, and the pull rod 4 by connection, the two cantilever pull rod structures are rotationally symmetrical about the central axis of the frame 1, and the rotation angle ⁇ is 180 degrees.
  • a stop block 5 extending laterally is provided on the outer surface of the side beam 11.
  • a horizontal support block 6 is longitudinally arranged on the cantilever 21.
  • the stop block 5 is provided right above the support block 6.
  • a gap is reserved between the stop block 5 and the support block 6.
  • the cross beam 12 is composed of two tube bodies 121 spaced longitudinally. Both ends of each tube body 121 are provided with connecting seats 8. The both ends of the tube body 121 are fixedly connected to the side beams 11 through the connecting seats 8.
  • the cross beam is composed of two seamless steel tubes, the middle part of the cross beam is provided with a motor mounting seat and a lateral stop seat, and the motor mounting seat and the lateral stop seat are of an integrated structure to connect the two cross beams.
  • a gear box hanging seat and a brake caliper mounting seat are arranged on the two cross beam steel tubes by skew symmetry.
  • the end of the cross beam is a connecting seat with the side beam, and an outer side of the connecting seat is provided with a boss and a bolt mounting hole for mounting a magnetic rail brake limit device.
  • the bogie of this embodiment further includes axle boxes respectively mounted on axle journals of a wheel set.
  • Cantilever seats 16 extending inward are provided on the two axle boxes.
  • a magnetic rail brake 9 is suspended on the two cantilever seats 16.
  • a vertical guide rod 17 is arranged at the top of the magnetic rail brake 9.
  • a limit seat 10 is mounted on one side of each connecting seat 8.
  • the connecting seat 8 is provided with a kidney-shaped hole 15. The long axis of the kidney-shaped hole 15 is arranged longitudinally.
  • the limit seat 10 and the connecting seat 8 are fastened by inserting a bolt into the kidney-shaped hole 15.
  • the magnetic rail brake is mounted on the frame through the magnetic rail limit device and the connecting seat, which ensures the reliability of the magnetic rail brake.
  • the limit seat 10 is provided with a through guide hole 18.
  • the vertical guide rod 17 is inserted into the guide hole 18.
  • the magnetic rail brake 9 is located right below the tube body 121.
  • the two tube bodies 121 are provided with a straddle-type seat 7 that spans the two tube bodies 121 and forms a hoop-type fixed connection with the two tube bodies 121 at the same time.
  • Both lateral sides of the straddle-type seat 7 are lateral stop contact surfaces 71.
  • Both longitudinal end surfaces of the straddle-type seat 7 are motor mounting surfaces 72.
  • Lateral stop mounting seats 13 are arranged at the bottom of the bolster 2 and on the both lateral sides of the straddle-type seat 7.
  • a lateral stop 14 is arranged on the lateral stop mounting seat 13. The lateral stop 14 is opposite to the lateral stop contact surface 71.

Claims (8)

  1. Bogie de véhicule ferroviaire léger, comprenant un cadre (1) et des boîtes d'essieu montées respectivement sur des fusées d'essieu d'un ensemble de roues, dans lequel
    le cadre (1) comprend des poutres latérales (11) et une poutre transversale (12) perpendiculaire aux parties médianes des poutres latérales (11), la partie médiane de la poutre latérale (11) est pourvue d'une zone évidée, et un sommet de la poutre transversale (12) est pourvu d'une traverse (2), la poutre transversale (12) est composée de deux corps tubulaires (121) espacés longitudinalement, les deux extrémités de chaque corps tubulaire (121) sont pourvues de sièges de connexion (8), et les deux extrémités du corps tubulaire (121) sont connectées de manière fixe aux poutres latérales (11) par l'intermédiaire des sièges de connexion (8) ;
    dans lequel un frein de rail magnétique (9) est suspendu à deux sièges en porte-à-faux (16) ; dans lequel
    deux sièges de limite (10) sont respectivement situés juste au-dessus de deux extrémités du frein de rail magnétique (9), le frein de rail magnétique (9) est situé juste en dessous des corps tubulaires (121) ;
    caractérisé en ce que des sièges en porte-à-faux (16) s'étendant vers l'intérieur sont prévus sur les deux boîtes d'essieu ;
    en ce qu'une tige de guidage verticale (17) est disposée au sommet du frein de rail magnétique (9), un siège de limite (10) est monté sur un côté de chaque siège de connexion (8), le siège de limite (10) est muni d'un trou de guidage traversant (18), et la tige de guidage verticale (17) est insérée dans le trou de guidage (18).
  2. Bogie de véhicule ferroviaire léger selon la revendication 1, dans lequel la poutre latérale (11) comprend une plaque de recouvrement supérieure (111), une plaque de recouvrement inférieure (112) et deux plaques latérales (113), les quatre plaques définissent la poutre latérale de type caisson (11), et des jupes s'étendant latéralement sont prévues sur les bords des deux côtés de la plaque de recouvrement supérieure (111) et de la plaque de recouvrement inférieure (112) de la poutre latérale (11) ;
    des rainures (114) sont formées latéralement sur les jupes de la plaque de recouvrement supérieure (111) et de la plaque de recouvrement inférieure (112) correspondant à la position de montage d'un siège de montage de tige de traction (3), le haut du siège de montage de tige de traction (3) est serré et fixé dans la rainure (114) de la plaque de recouvrement supérieure (111), le bas du siège de montage de tige de traction (3) est serré et fixé dans la rainure (114) de la plaque de recouvrement inférieure (112), le haut du siège de montage de tige de traction (3) est aligné avec le haut de la plaque de recouvrement supérieure (111), et le bas du siège de montage de tige de traction (3) est aligné avec le bas de la plaque de recouvrement inférieure (112).
  3. Bogie de véhicule ferroviaire léger selon la revendication 1, dans lequel un siège de montage de tige de traction (3) est relié de manière fixe à la surface extérieure de la zone évidée centrale de chaque poutre latérale (10), les deux extrémités de la traverse (2) sont respectivement munies de porte-à-faux (21) s'étendant vers le bas dans la direction verticale, une tige de traction (4) est disposée entre chaque porte-à-faux (21) et le siège de montage de tige de traction (3) du même côté, une extrémité de la tige de traction (4) est montée sur le siège de montage de tige de traction (3), et l'autre extrémité de la tige de traction (4) est reliée de manière fixe à l'extrémité inférieure du porte-à-faux (21) ;
    les deux structures assemblées à partir des porte-à-faux (21), des sièges de montage de tige de traction (3) et des tiges de traction (4) par connexion sont symétriques en rotation autour de l'axe central du cadre (1), et l'angle de rotation α est de 180 degrés.
  4. Bogie de véhicule ferroviaire léger selon la revendication 1, dans lequel un bloc d'arrêt (5) s'étendant latéralement est prévu sur la surface extérieure de la poutre latérale (11) ;
    un bloc de support (6) est disposé longitudinalement sur le porte-à-faux (21), le bloc d'arrêt (5) est prévu juste au-dessus du bloc de support (6), et un espace est réservé entre le bloc d'arrêt (5) et le bloc de support (6).
  5. Bogie de véhicule ferroviaire léger selon la revendication 1, dans lequel le siège de connexion (8) est muni d'un trou en forme de haricot (15), l'axe long du trou en forme de haricot (15) est disposé longitudinalement, et le siège de limite (10) et le siège de connexion (8) sont fixés par une fixation insérée dans le trou en forme de haricot (15).
  6. Bogie de véhicule ferroviaire léger selon l'une quelconque des revendications 1 à 5, dans lequel la poutre transversale (12) est composée de deux corps tubulaires (121) espacés longitudinalement.
  7. Bogie de véhicule ferroviaire léger selon la revendication 6, dans lequel les deux corps tubulaires (121) sont munis d'un siège de type cavalier (7) qui enjambe les deux corps tubulaires (121) et forme une connexion fixe de type arceau avec les deux corps tubulaires (121) en même temps, les deux côtés latéraux du siège de type cavalier (7) sont des surfaces de contact de butée latérale (71), et les deux surfaces d'extrémité longitudinale du siège de type cavalier (7) sont des surfaces de montage de moteur (72).
  8. Bogie de véhicule ferroviaire léger selon l'une quelconque des revendications 1 à 5, dans lequel le cadre (1) est un cadre en forme de H.
EP19837364.9A 2018-07-17 2019-07-16 Bogie de véhicule ferroviaire léger Active EP3816011B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810782629.4A CN108725495B (zh) 2018-07-17 2018-07-17 一种轻轨车辆转向架
PCT/CN2019/096064 WO2020015616A1 (fr) 2018-07-17 2019-07-16 Bogie de véhicule ferroviaire léger

Publications (3)

Publication Number Publication Date
EP3816011A1 EP3816011A1 (fr) 2021-05-05
EP3816011A4 EP3816011A4 (fr) 2022-02-16
EP3816011B1 true EP3816011B1 (fr) 2023-06-21

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EP19837364.9A Active EP3816011B1 (fr) 2018-07-17 2019-07-16 Bogie de véhicule ferroviaire léger

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EP (1) EP3816011B1 (fr)
CN (1) CN108725495B (fr)
WO (1) WO2020015616A1 (fr)

Families Citing this family (6)

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Publication number Priority date Publication date Assignee Title
CN108725495B (zh) * 2018-07-17 2020-01-17 中车株洲电力机车有限公司 一种轻轨车辆转向架
CN110422193B (zh) * 2019-08-12 2020-11-27 中车株洲电力机车有限公司 一种轻轨车辆的动车构架
CN111976772B (zh) * 2020-09-04 2023-05-02 中车株洲电力机车有限公司 一种摇枕及转向架
CN112660191B (zh) * 2021-01-06 2023-01-03 中车青岛四方机车车辆股份有限公司 一种转向架的构架及转向架
CN113928362A (zh) * 2021-11-11 2022-01-14 中车长春轨道客车股份有限公司 高速动车组轴箱内置式非动力转向架用构架装置
CN115123332B (zh) * 2022-07-29 2023-05-23 中车唐山机车车辆有限公司 一种单轮对拖车转向架构架

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CN201249778Y (zh) * 2008-07-30 2009-06-03 中国北车集团大连机车研究所有限公司 部分低地板轻轨电车两轴动力转向架
CN201882098U (zh) * 2010-12-14 2011-06-29 南车南京浦镇车辆有限公司 内置式轮对提吊装置
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CN202847719U (zh) * 2012-09-29 2013-04-03 南车株洲电力机车有限公司 一种轨道通勤车转向架用构架
CN203888818U (zh) * 2014-05-04 2014-10-22 南车株洲电力机车有限公司 一种动车构架横梁安装座
CN204296748U (zh) * 2014-12-05 2015-04-29 长春轨道客车股份有限公司 一种用于100%低地板轻轨车辆的动力转向架构架
CN204368174U (zh) * 2014-12-10 2015-06-03 广州电力机车有限公司 一种低地板有轨电车转向架
CN104554331B (zh) * 2015-01-14 2017-04-12 中车青岛四方机车车辆股份有限公司 一种磁轨制动装置的安装结构及应用该结构的轨道车辆
CN105151068B (zh) * 2015-08-24 2017-09-29 中车唐山机车车辆有限公司 动力转向架及轻轨车辆
CN106627644B (zh) * 2016-12-21 2018-10-19 成都市新筑路桥机械股份有限公司 一种100%低地板有轨电车动力转向架构架
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CN206589893U (zh) * 2017-03-08 2017-10-27 中车株洲电力机车有限公司 一种无摇枕非动力转向架构架
CN107554543B (zh) * 2017-10-13 2023-09-19 通号轨道车辆有限公司 一种轨道车辆及其铰接式有轨电车转向架
CN108099937A (zh) * 2018-02-01 2018-06-01 株洲时代电子技术有限公司 一种地铁轨道工程车辆电传动转向架构架
CN108725495B (zh) * 2018-07-17 2020-01-17 中车株洲电力机车有限公司 一种轻轨车辆转向架

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Publication number Publication date
CN108725495A (zh) 2018-11-02
EP3816011A1 (fr) 2021-05-05
EP3816011A4 (fr) 2022-02-16
CN108725495B (zh) 2020-01-17
WO2020015616A1 (fr) 2020-01-23

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