EP3617031A1 - Train et son mécanisme de suspension de moteur électrique - Google Patents

Train et son mécanisme de suspension de moteur électrique Download PDF

Info

Publication number
EP3617031A1
EP3617031A1 EP17935481.6A EP17935481A EP3617031A1 EP 3617031 A1 EP3617031 A1 EP 3617031A1 EP 17935481 A EP17935481 A EP 17935481A EP 3617031 A1 EP3617031 A1 EP 3617031A1
Authority
EP
European Patent Office
Prior art keywords
safety pin
cantilever
mounting
suspension mechanism
motor
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.)
Granted
Application number
EP17935481.6A
Other languages
German (de)
English (en)
Other versions
EP3617031B1 (fr
EP3617031A4 (fr
Inventor
Jun Fan
Ansi GU
Jiyou YANG
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 Changchun Railway Vehicles Co Ltd
Original Assignee
CRRC Changchun Railway Vehicles Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CN201711408522.5A external-priority patent/CN109318909A/zh
Priority claimed from CN201721827946.0U external-priority patent/CN208134329U/zh
Application filed by CRRC Changchun Railway Vehicles Co Ltd filed Critical CRRC Changchun Railway Vehicles Co Ltd
Publication of EP3617031A1 publication Critical patent/EP3617031A1/fr
Publication of EP3617031A4 publication Critical patent/EP3617031A4/fr
Application granted granted Critical
Publication of EP3617031B1 publication Critical patent/EP3617031B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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 application 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 application 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.
  • 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 including a connector connected to a bogie frame, a safety pin mounted on the connector and arranged horizontally, and a cantilever.
  • One end of the cantilever is connected to a motor, another end of the cantilever is movably connected to the safety pin and is movable in a length direction of the safety pin, and the safety pin is provided with an elastic position-limiting piece for limiting a moving range of the cantilever.
  • 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.
  • the connecting plate is vertically arranged and substantially P-shaped, a right angle portion at a side, facing the motor, of the 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 the 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.
  • the suspension mechanism for mounting the motor of a railway train including a connector connected to a bogie frame, a safety pin mounted on the connector and arranged horizontally, and a cantilever.
  • One end of the cantilever is connected to a motor, another end of the cantilever is movably connected to the safety pin and is movable in a length direction of the safety pin, and the safety pin is provided with an elastic position-limiting piece for limiting a moving range of the cantilever.
  • 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 application. 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 application
  • Figure 2 is a sectional schematic view showing a specific embodiment of the suspension mechanism for mounting the motor provided according to the present application.
  • 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 the 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.
  • the connecting plate 1 is vertically arranged and substantially P-shaped, and a right angle portion at a side, facing the motor 5, of the 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 the connecting plate 1. The shape and number of the connecting plate 1 may be changed, which are all within the scope of protection of the present application.
  • 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 application.
  • 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 application, and structures of other parts of the rail train can be referred to the conventional technology, which will not be described herein.

Landscapes

  • 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)
EP17935481.6A 2017-12-22 2017-12-28 Train et son mécanisme de suspension de moteur électrique Active EP3617031B1 (fr)

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 true EP3617031A1 (fr) 2020-03-04
EP3617031A4 EP3617031A4 (fr) 2020-08-12
EP3617031B1 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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
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
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

Also Published As

Publication number Publication date
EP3617031B1 (fr) 2022-05-11
MY197058A (en) 2023-05-23
WO2019119502A1 (fr) 2019-06-27
EP3617031A4 (fr) 2020-08-12

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