EP3617031B1 - Train et son mécanisme de suspension de moteur électrique - Google Patents
Train et son mécanisme de suspension de moteur électrique Download PDFInfo
- Publication number
- EP3617031B1 EP3617031B1 EP17935481.6A EP17935481A EP3617031B1 EP 3617031 B1 EP3617031 B1 EP 3617031B1 EP 17935481 A EP17935481 A EP 17935481A EP 3617031 B1 EP3617031 B1 EP 3617031B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- safety pin
- mounting
- cantilever
- motor
- suspension mechanism
- 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
Links
- 239000000725 suspension Substances 0.000 title claims description 50
- 230000035515 penetration Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000003137 locomotive effect Effects 0.000 description 10
- 238000009434 installation Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
- B61C9/38—Transmission systems in or for locomotives or motor railcars with electric motor propulsion
- B61C9/48—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension
- B61C9/50—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension in bogies
Definitions
- the present invention relates to the field of railway trains, and in particular relates to a suspension mechanism for mounting a motor of a railway train. Besides, the present invention further relates to a railway train having the suspension mechanism for mounting the motor.
- a multiple-unit train is one type of railway trains, which includes at least two locomotives or powered carriages and multiple non-powered carriages.
- the multiple-unit train is developed from double heading locomotive, but is different from the traditional double heading locomotive.
- Double heading locomotive with an increasing number of locomotives rather than changing the fact of the carriage being a trailer, is generally used for freight trains and mainly solves a problem of insufficient tractive force.
- the multiple-unit train is almost used for passenger trains only, and mainly solves problems of insufficient acceleration and restricted maximum speed.
- Driving devices of the passenger train may be arranged in multiple passenger carriages respectively, so that these carriages are powered, while a heading locomotive of the passenger train may become a trailer which only has a console but without the driving force.
- each carriage is equipped with a driving device, and a heading locomotive may blend into the carriage, or there is no heading locomotive, and the train is entirely controlled by a railway system.
- This multiple-unit train is mainly used in some urban railway transport trains such as maglev trains, APM (Automated People Mover) trains and ultra-high speed test trains and so on.
- the multiple-unit train generally includes two locomotives, multiple powered carriages and non-powered carriages.
- the driving device in the heading locomotive is removed, and only control equipment of the train is kept.
- a motor is required to be suspended from a bogie. Since the traction motor is movable with respect to a bogie frame in a direction parallel to a main shaft of the motor, a position-limiting device is required to be provided between the motor and the bogie frame in order to avoid an excessive range of motion. Meanwhile, in order to prevent the motor from falling off in a case of suspension failure, a safety mechanism for preventing the motor from falling off is required to be provided on the motor or the frame.
- US 4,228,739 A discloses a system for suspending the traction motor and gear box of a parallel drive arrangement in a railway truck or the like in which the gear box and traction motor shafts are flexibly coupled together to accommodate relative movement between the two shafts. In addition, an arrangement is provided by which the mounting of the motor on the railway truck accommodates lateral displacement while the coupling between the traction motor housing and the gear box accommodates angular and offset misalignment of the coupled shafts.
- the most common manner for position-limiting at present is to provide a rigid stop or a single elastic stop
- the most common manner for preventing the motor from falling off is to provide a joist on the motor, or to provide a safety hook between the motor and the frame.
- the suspension and position-limitation of the motor cannot be realized at the same time through the above manners, resulting in a complex structure and a large occupied space of the equipment, which is not beneficial to the installation and maintenance.
- a technical problem to be addressed by those skilled in the art is to provide a suspension mechanism for mounting the motor which can realize the suspension and position-limitation of the motor, simplify the structure, save space, and facilitate the installation and maintenance.
- a suspension mechanism for mounting the motor of a railway train is provided according to claim 1.
- the connector includes two connecting plates arranged in parallel, a front side edge of the connecting plate is connected to the bogie frame, two opposite positioning holes are provided in the two connecting plates, respectively, and two ends of the safety pin are mounted in the two positioning holes, respectively.
- Each connecting plate is vertically arranged and substantially P-shaped, a right angle portion at a side, facing the motor, of each connecting plate is smoothly transitioned to form a cambered edge, and the safety pin is arranged at a head portion, having a relatively large width, of each connecting plate.
- an end, close to the safety pin, of the cantilever is provided with a connecting hole horizontally penetrating an end portion of the cantilever, a penetration direction of the connecting hole is perpendicular to an extension direction of the cantilever, the connecting hole is sleeved on the safety pin, and in clearance fit with the safety pin.
- the cantilever is sleeved on the safety pin; in a radial direction perpendicular to the length direction of the safety pin, the cantilever includes an inner ring and an outer ring, the inner ring is in clearance fit with the safety pin through the connecting hole, and the outer ring is connected to the motor.
- the suspension mechanism for mounting the motor includes two elastic position-limiting pieces sleeved on two ends of the safety pin, respectively, end portions of the two elastic position-limiting pieces are fixedly connected to inner side plate surfaces of the two connecting plates respectively, and the end portion of the cantilever is located between the two elastic position-limiting pieces and is spaced apart from the two elastic position-limiting pieces.
- each of the two elastic position-limiting pieces includes a mounting seat fixedly connected to the inner side plate surface of the connecting plate and a spring arranged in the mounting seat and sleeved on the safety pin, and a bottom surface of the mounting seat is provided with a through hole for the safety pin to penetrate.
- an end away from the mounting seat of the spring is provided with an end cover, and the end cover is provided with a through hole for the safety pin to penetrate.
- the mounting seat is connected to the connecting plate by bolts.
- the end cover is specifically a rubber cover.
- a railway train is provided according to claim 9.
- the suspension mechanism for mounting the motor of a railway train is provided according to the present invention which is defined by the technical features set forth in claim
- the connector is connected to the bogie frame, the cantilever is connected to the motor, and the cantilever and the connector are connected by the safety pin, so that the motor and the bogie frame are connected.
- the suspension of the motor can be realized through the cantilever, and the position limitation of the motor can be realized through the elastic position-limiting piece on the safety pin, that is, when realizing the position limitation of the motor, multiple safeguards are provided for the suspension of the motor, and the suspension mechanism has a simple and compact overall structure, saves space, facilitates installation and is beneficial to manufacture, operation and maintenance.
- a railway train including the suspension mechanism for mounting the motor is further provided according to the present invention. Since the suspension mechanism for mounting the motor has the above technical effects, the railway train having the suspension mechanism for mounting the motor also has the same technical effects, which will not be described in detail herein.
- Figure 1 is a schematic view showing the structure of a specific embodiment of a suspension mechanism for mounting a motor provided according to the present invention
- Figure 2 is a sectional schematic view showing a specific embodiment of the suspension mechanism for mounting the motor provided according to the present invention.
- a suspension mechanism for mounting the motor of a railway train including a connector for connecting to a bogie frame, a safety pin 2 mounted on the connector and arranged horizontally, and a cantilever 3.
- One end of the cantilever 3 is connected to a motor 5, and another end of the cantilever 3 is movably connected to the safety pin 2 and can move in a length direction of the safety pin 2, and the safety pin 2 is provided with an elastic position-limiting piece 4 for limiting a moving range of the cantilever 3.
- the connector is connected to the bogie frame, the cantilever 3 is connected to the motor 5, and the cantilever 3 and the connector are connected by the safety pin 2, so that the motor 5 and the bogie frame are connected.
- the suspension of the motor 5 can be realized through the cantilever 3, and the position limitation for the motor 5 can be realized through the elastic position-limiting piece 4 on the safety pin 2, that is, when realizing the position limitation for the motor 5, multiple safeguards are provided for the suspension of the motor, which has a simple and compact overall structure, saves space, facilitates installation and is beneficial to manufacture, operation and maintenance.
- the connector includes two connecting plates 1 arranged in parallel, and a front side edge of each connecting plate 1 is configured to be connected to the bogie frame, two opposite positioning holes are provided in the two connecting plates 1 respectively, and two ends of the safety pin 2 are mounted in the two positioning holes respectively.
- Each connecting plate 1 is vertically arranged and substantially P-shaped, and a right angle portion at a side, facing the motor 5, of each connecting plate is smoothly transitioned to form a cambered edge.
- the safety pin 2 is arranged at a head portion, having a relatively large width, of each connecting plate 1.
- the shape of each connecting plate 1 may be changed, as long as it remains within the scope of protection of the present invention, which is defined by the claims.
- an end, close to the safety pin 2, of the cantilever 3 is provided with a connecting hole horizontally penetrating end portions of the cantilever 3, a penetration direction of the connecting hole is perpendicular to an extension direction of the cantilever 3, the connecting hole is sleeved on the safety pin 2, and the connecting hole is in clearance fit with the safety pin 2.
- the cantilever 3 is sleeved on the safety pin 2 through the connecting hole.
- An outer ring of the cantilever 3 is connected to the motor 5, and an inner ring of the cantilever 5 is in clearance fit with the safety pin 2 through the connecting hole.
- the extension direction of the cantilever 3 refers to a radial direction perpendicular to an axial direction (length direction) of the cantilever 3, that is, an up-down direction in Figure 2
- the penetration direction of the connecting hole refers to the axial direction (length direction) of the cantilever 3, that is, a left-right direction in Figure 2 .
- the suspension mechanism for mounting the motor allows the motor 5 to be suspended from the cantilever 3 (the motor is suspended from the outer ring of the cantilever 3)
- the suspension mechanism for mounting the motor allows the end provided with the connecting hole of the cantilever 3 (the inner ring of the cantilever 3 to be able to freely move along the safety pin 2 in a certain range.
- Other connection manners may also be adopted, for example, the cantilever 3 may be provided with a hook.
- the suspension mechanism for mounting the motor further includes two elastic position-limiting pieces 4 sleeved on two ends of the safety pin 2. End portions of the two elastic position-limiting pieces 4 are fixedly connected to inner side plate surfaces of the two connecting plates 1, respectively, that is, the opposite plate surfaces of the two connecting plates 1; the end portion of the cantilever 3 is located between the two elastic position-limiting pieces 4 and is spaced apart from the two elastic position-limiting pieces.
- the end portion of the cantilever 3 can freely move in a space between the two elastic position-limiting pieces 4, that is, the cantilever 3 can move between the two elastic position-limiting pieces 4, and will impact the elastic position-limiting pieces 4 when a moving distance is excessively large, which plays a role of buffering, thereby avoiding the damage of the equipment.
- the elastic position-limiting piece 4 may have various forms, for example, the elastic position-limiting piece 4 may include a mounting seat fixedly connected to the inner side plate surface of the connecting plate 1 and a spring arranged in the mounting seat and sleeved on the safety pin 2, and a bottom surface of the mounting seat is provided with a through hole for the safety pin 2 to penetrate. An end away from the mounting seat of the spring may be further provided with an end cover, and the end cover is provided with a through hole for the safety pin 2 to penetrate.
- the mounting seat is connected to the connecting plate 1 by bolts, and the end cover may specifically be a rubber cover.
- the elastic position-limiting piece 4 of other forms may also be adopted, such as a leaf-spring or a buffering rubber column or the like, or the connection manner is changed for welding connection or clamping connection or the like, which are all with the scope of protection of the present 2. invention.
- a position-limiting cap may be provided at one end of the safety pin 2, and a diameter of the position-limiting cap is greater than a diameter of the positioning hole.
- a railway train having the above suspension mechanism for mounting the motor is further provided according to a specific embodiment of the present invention, and structures of other parts of the rail train can be referred to the conventional technology, which will not be described herein.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Vehicle Body Suspensions (AREA)
Claims (9)
- Mécanisme de suspension pour monter un moteur d'un train ferroviaire, comprenant un raccord adapté pour être raccordé à un châssis de bogie, une goupille de sécurité (2) montée sur le raccord et arrangée horizontalement, et un élément en porte à faux (3) ;dans lequel une extrémité de l'élément en porte à faux (3) est adaptée pour être raccordée à un moteur (5), une autre extrémité de l'élément en porte à faux (3) est raccordée de manière amovible à la goupille de sécurité (2) et est amovible dans une direction de longueur de la goupille de sécurité (2), et la goupille de sécurité (2) est pourvue d'une pièce élastique de limite de position (4) pour limiter une plage de mouvement de l'élément en porte à faux (3),dans lequel le raccord comprend deux plaques de raccordement (1) arrangées en parallèle, un bord latéral avant de chacune des deux plaques de raccordement (1) est adapté pour être raccordé au châssis de bogie, deux trous de positionnement opposés sont pourvus sur les deux plaques de raccordement (1), respectivement, et deux extrémités de la goupille de sécurité (2) sont montées dans les deux trous de positionnement, respectivement, et caractérisé en ce que chaque plaque de raccordement (1) est arrangée verticalement et est en forme de P, une partie à angle droit à un côté, faisant face au moteur (5), de chaque plaque de raccordement (1) change en douceur pour former un bord cambré, et la goupille de sécurité (2) est arrangée à une partie de tête, ayant une grande largeur, de chaque plaque de raccordement (1).
- Mécanisme de suspension pour monter le moteur selon la revendication 1, dans lequel une extrémité, près de la goupille de sécurité (2), de l'élément en porte à faux (3) est pourvue d'un trou de raccordement pénétrant horizontalement dans une partie d'extrémité de l'élément en porte à faux (3), une direction de pénétration du trou de raccordement est perpendiculaire à une direction d'extension de l'élément en porte à faux (3), le trou de raccordement est emmanché sur la goupille de sécurité (2) et selon un ajustement avec jeu sur la goupille de sécurité (2).
- Mécanisme de suspension pour monter le moteur selon la revendication 2, dans lequel l'élément en porte à faux (3) est emmanché sur la goupille de sécurité (2) ; dans une direction radiale perpendiculaire à la direction de longueur de la goupille de sécurité (2), l'élément en porte à faux (3) comprend une bague interne et une bague externe, la bague interne est ajustée avec jeu sur la goupille de sécurité (2) à travers le trou de raccordement, et la bague externe est raccordée au moteur (5).
- Mécanisme de suspension pour monter le moteur selon l'une quelconque des revendications 1 à 3, comprenant deux pièces élastiques de limite de position (4) emmanchées sur les deux extrémités de la goupille de sécurité (2), respectivement, les parties d'extrémité des deux pièces élastiques de limite de position (4) sont raccordées de manière fixe à des surfaces de plaques latérales internes des deux plaques de raccordement (1), respectivement, et la partie d'extrémité de l'élément en porte à faux (3) est située entre les deux pièces élastiques de limite de position (4) et est espacée des deux pièces élastiques de limite de position (4).
- Mécanisme de suspension pour monter le moteur selon la revendication 4, dans lequel chacune des deux pièces élastiques de limite de position (4) comprend une assise de montage raccordée de manière fixe à la surface de plaque latérale interne de la plaque de raccordement et un ressort est arrangé dans l'assise de montage et emmanché sur la goupille de sécurité (2), et une surface de fond de l'assise de montage est pourvue d'un trou traversant pour que la goupille de sécurité (2) pénètre dedans.
- Mécanisme de suspension pour monter le moteur selon la revendication 5, dans lequel une extrémité éloignée de l'assise de montage du ressort est pourvue d'un couvercle d'extrémité, et le couvercle d'extrémité est pourvu d'un trou traversant pour que la goupille de sécurité (2) pénètre dedans.
- Mécanisme de suspension pour monter le moteur selon la revendication 6, dans lequel l'assise de montage est raccordée à la plaque de raccordement (1) par des boulons.
- Mécanisme de suspension pour monter le moteur selon la revendication 7, dans lequel le couvercle d'extrémité est un couvercle en caoutchouc.
- Train ferroviaire, comprenant un châssis de bogie et un mécanisme de suspension pour monter un moteur raccordé au châssis de bogie, dans lequel le mécanisme de suspension est le mécanisme de suspension pour monter le moteur selon l'une quelconque des revendications 1 à 8.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711408522.5A CN109318909A (zh) | 2017-12-22 | 2017-12-22 | 轨道列车及其电机悬吊机构 |
CN201721827946.0U CN208134329U (zh) | 2017-12-22 | 2017-12-22 | 轨道列车及其电机悬吊机构 |
PCT/CN2017/119336 WO2019119502A1 (fr) | 2017-12-22 | 2017-12-28 | Train et son mécanisme de suspension de moteur électrique |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3617031A1 EP3617031A1 (fr) | 2020-03-04 |
EP3617031A4 EP3617031A4 (fr) | 2020-08-12 |
EP3617031B1 true EP3617031B1 (fr) | 2022-05-11 |
Family
ID=66994351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17935481.6A Active EP3617031B1 (fr) | 2017-12-22 | 2017-12-28 | Train et son mécanisme de suspension de moteur électrique |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3617031B1 (fr) |
MY (1) | MY197058A (fr) |
WO (1) | WO2019119502A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114571936A (zh) * | 2022-03-24 | 2022-06-03 | 安徽安凯汽车股份有限公司 | 一种吊耳式板簧悬架推进角调整机构 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3877388A (en) * | 1973-09-11 | 1975-04-15 | Westinghouse Electric Corp | Resilient railway motor mounting |
US4228739A (en) * | 1977-07-01 | 1980-10-21 | The Garrett Corporation | Motorized railway truck articulated shaft housing |
JP3965269B2 (ja) * | 2000-03-17 | 2007-08-29 | 東海ゴム工業株式会社 | 鉄道車両の振動低減装置 |
CN100526115C (zh) * | 2007-09-05 | 2009-08-12 | 西南交通大学 | 悬吊式、空气弹簧中置的中低速磁浮列车走行模块 |
AT514023B1 (de) * | 2013-03-06 | 2015-04-15 | Siemens Ag Oesterreich | Fahrwerk für Schienenfahrzeuge |
CN203920762U (zh) * | 2014-06-23 | 2014-11-05 | 襄阳协利成机车车辆工程设备有限公司 | 两轴动力转向架 |
CN104590304B (zh) * | 2014-12-10 | 2017-05-17 | 广州电力机车有限公司 | 一种低地板有轨电车转向架 |
CN205059600U (zh) * | 2015-03-06 | 2016-03-02 | 长春轨道客车股份有限公司 | 一种高速动车转向架电机悬吊机构 |
CN204978684U (zh) * | 2015-09-21 | 2016-01-20 | 长春轨道客车股份有限公司 | 一种两轴跨座式单轨列车动力转向架 |
CN107117185A (zh) * | 2017-06-23 | 2017-09-01 | 中车资阳机车有限公司 | 一种手动型连挂缓冲结构 |
CN107117184A (zh) * | 2017-06-23 | 2017-09-01 | 中车资阳机车有限公司 | 一种货运动车连挂牵引装置 |
-
2017
- 2017-12-28 WO PCT/CN2017/119336 patent/WO2019119502A1/fr unknown
- 2017-12-28 EP EP17935481.6A patent/EP3617031B1/fr active Active
-
2018
- 2018-11-15 MY MYPI2018001945A patent/MY197058A/en unknown
Also Published As
Publication number | Publication date |
---|---|
WO2019119502A1 (fr) | 2019-06-27 |
EP3617031A4 (fr) | 2020-08-12 |
MY197058A (en) | 2023-05-23 |
EP3617031A1 (fr) | 2020-03-04 |
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