WO2019119502A1 - 轨道列车及其电机悬吊机构 - Google Patents

轨道列车及其电机悬吊机构 Download PDF

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Publication number
WO2019119502A1
WO2019119502A1 PCT/CN2017/119336 CN2017119336W WO2019119502A1 WO 2019119502 A1 WO2019119502 A1 WO 2019119502A1 CN 2017119336 W CN2017119336 W CN 2017119336W WO 2019119502 A1 WO2019119502 A1 WO 2019119502A1
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WIPO (PCT)
Prior art keywords
safety pin
cantilever
suspension mechanism
motor
motor suspension
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PCT/CN2017/119336
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English (en)
French (fr)
Inventor
范军
谷安斯
杨集友
Original Assignee
中车长春轨道客车股份有限公司
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Priority claimed from CN201721827946.0U external-priority patent/CN208134329U/zh
Priority claimed from CN201711408522.5A external-priority patent/CN109318909A/zh
Application filed by 中车长春轨道客车股份有限公司 filed Critical 中车长春轨道客车股份有限公司
Priority to EP17935481.6A priority Critical patent/EP3617031B1/en
Publication of WO2019119502A1 publication Critical patent/WO2019119502A1/zh

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    • 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 invention relates to the field of rail trains, and in particular to a motor suspension mechanism for a rail train. Furthermore, the invention relates to a rail train comprising the above-described motor suspension structure.
  • An EMU is a type of rail train that consists of at least two locomotives or powered cars and several unpowered cars.
  • the EMU originated from the locomotive reconnection, but it is different from the traditional reconnection.
  • Reconnection is generally used for freight trains. It mainly solves the problem of insufficient traction. It only increases the number of locomotives and does not change the nature of the trailers.
  • the EMU is almost exclusively used for passenger trains. It mainly solves the problem of insufficient acceleration and limited maximum speed.
  • the drive units can be placed inside the multi-section passenger compartments respectively, making these compartments a moving train, but the front end may become a control platform only. There is no driving trailer.
  • Each car in the pure motor train has power units.
  • the front and the car are mostly integrated or have no front, and the train is completely controlled by the railway system. It is mainly used for some urban rail transit trains, such as maglev trains, APM trains and ultra-high speeds. Test trains, etc.
  • the general EMU consists of two locomotives, several power cars and non-power cars. Some EMUs cancel the power unit on the front of the car and only retain the control equipment of the train.
  • the above-mentioned EMU needs to suspend the motor on the bogie. Since the traction motor is movable relative to the bogie frame in the direction parallel to the main shaft of the motor, in order to avoid excessive movement amplitude, a design limit is required between the motor and the bogie frame. Device. At the same time, in order to prevent the motor from falling off during the suspension failure, a safety mechanism to prevent the motor from falling should be designed on the motor or the frame.
  • the most commonly used limit method is to set a rigid stop or a separate elastic stop on the frame and the motor.
  • the most common way to prevent the motor from falling is to design the joist on the motor or to set a safety hook between the motor and the frame. .
  • the above several methods can not achieve the suspension and limit of the motor at the same time, which makes the equipment structure complicated and takes up a large space, which is not conducive to installation and maintenance.
  • the object of the present invention is to provide a motor suspension mechanism capable of simultaneously suspending and limiting the motor, simplifying the structure, reducing the space, and facilitating installation and maintenance.
  • Another object of the present invention is to provide a rail train including the above-described motor suspension mechanism.
  • the present invention provides a motor suspension mechanism for a rail train, comprising a connecting member for connecting a bogie frame, a horizontally disposed safety pin and a cantilever mounted to the connecting member, one end of the cantilever For connecting the motor, the other end of the cantilever is movably connected to the safety pin and is movable along the length of the safety pin, and the safety pin is mounted with an elastic limiting member for limiting the range of movement of the cantilever.
  • the connecting member comprises two connecting plates arranged in parallel, the front side edge of the connecting plate is used for connecting the bogie frame, and the two connecting plates are respectively provided with two opposite positioning holes, Both ends of the safety pin are respectively installed in the two positioning holes.
  • the connecting plate is vertically arranged and has a substantially "P" shape, which smoothly transitions toward a right angle portion of one side of the motor to form an arcuate edge, and the safety pin is disposed on the connecting plate with a larger width Head area.
  • one end of the cantilever near the safety pin is provided with a connecting hole horizontally penetrating the end of the cantilever, the through hole of the connecting hole is perpendicular to the extending direction of the cantilever, and the connecting hole is set in the a safety pin, and the connecting hole and the safety pin are gap-fitted.
  • the cantilever is sleeved on the safety pin in a radial direction perpendicular to a longitudinal direction of the safety pin, the cantilever includes an inner ring and an outer ring, and the inner ring passes through the connecting hole and the safety pin With a clearance fit, the outer ring is connected to the motor.
  • the two elastic limiting members are respectively disposed at two ends of the safety pin, and the ends of the two elastic limiting members are respectively fixedly connected to the inner side surfaces of the two connecting plates, the cantilever The end is located between the two of the elastic stops and has a spacing.
  • the elastic limiting member comprises a mounting bracket fixedly connected to the inner side surface of the connecting plate and a spring disposed in the mounting seat and fitted to the safety pin, the bottom surface of the mounting seat being provided for the A through hole through which the safety pin passes.
  • an end of the spring away from the mounting seat is provided with an end cover, and the end cover is provided with a through hole for the safety pin to pass through.
  • the mount is connected to the connecting plate by bolts.
  • the end cap is specifically a rubber cover.
  • the present invention provides a rail train comprising a bogie frame and a motor suspension mechanism connecting the bogie frame, the motor suspension mechanism being specifically the motor suspension mechanism of any of the above.
  • the invention provides a motor suspension mechanism for a rail train, comprising a connecting member for connecting the bogie frame, a horizontally disposed safety pin and a cantilever mounted on the connecting member, one end of the cantilever is used for connecting the motor, and the other end of the cantilever is movable.
  • the safety pin is connected and movable along the length of the safety pin, and the safety pin is provided with an elastic limiter for limiting the range of movement of the cantilever.
  • the connecting piece is connected to the bogie frame, the cantilever is connected to the motor, and the cantilever and the connecting piece are connected by the safety pin to realize the connection between the motor and the bogie frame.
  • the suspension of the motor is realized by the cantilever, and the safety pin is passed through.
  • the elastic limiter realizes the limit of the motor, that is, the motor is limited and provides multiple guarantees for the suspension of the motor, and the overall structure is simple and compact, saves space, and is convenient to install, which is beneficial to production and operation and maintenance.
  • the present invention also provides a rail train comprising the above-mentioned motor suspension mechanism. Since the above-mentioned motor suspension mechanism has the above technical effects, the above-mentioned rail train should also have the same technical effect, and will not be described in detail herein.
  • FIG. 1 is a schematic structural view of a specific embodiment of a motor suspension mechanism provided by the present invention.
  • Figure 2 is a cross-sectional schematic view of one embodiment of a motor suspension mechanism provided by the present invention.
  • the core of the invention is to provide a motor suspension mechanism capable of simultaneously suspending and limiting the motor, simplifying the structure, reducing the space, and facilitating installation and maintenance.
  • Another core of the present invention is to provide a rail train including the above-described motor suspension mechanism.
  • FIG. 1 is a schematic structural view of a specific embodiment of a motor suspension mechanism according to the present invention
  • FIG. 2 is a cross-sectional view of a specific embodiment of the motor suspension mechanism provided by the present invention. See the schematic.
  • a specific embodiment of the present invention provides a motor suspension mechanism for a rail train, comprising a connecting member for connecting the bogie frame, a horizontally disposed safety pin 2 and a cantilever 3 mounted on the connecting member, one end of the cantilever 3 for connecting the motor 5, the other end of the cantilever 3 is movably connected to the safety pin 2 and is movable along the longitudinal direction of the safety pin 2, and the safety pin 2 is mounted with an elastic stopper 4 for restricting the range of movement of the cantilever 3.
  • the connecting member is connected to the bogie frame, the cantilever 3 is connected to the motor 5, and the cantilever 3 and the connecting member are connected by the safety pin 2 to realize the connection between the motor 5 and the bogie frame.
  • the suspension of the motor 5 is realized by the cantilever 3
  • the limit of the motor 5 is realized by the elastic limiting member 4 on the safety pin 2, that is, the motor suspension mechanism provides multiple guarantees for the suspension of the motor while realizing the limitation of the motor 5, and the overall structure Simple and compact, it saves space and is easy to install, which is conducive to production and operation and maintenance.
  • the connecting member comprises two connecting plates 1 arranged in parallel, the front side edge of the connecting plate 1 is used for connecting the bogie frame, and the two connecting plates 1 are respectively provided with two opposite positioning holes, two of the safety pin 2 The ends are respectively installed in two positioning holes.
  • the connecting plate 1 is vertically arranged and has a substantially "P" shape, which smoothly transitions toward a right angle portion on the side of the motor 5 to form an arcuate edge, and the safety pin 2 is provided in a head region of the connecting plate 1 having a large width. It is also possible to adjust the shape and number of the connecting plates 1 to be within the scope of the present invention.
  • one end of the cantilever 3 adjacent to the safety pin 2 is provided with a connecting hole horizontally penetrating the end of the cantilever 3, and the connecting direction of the connecting hole is perpendicular to the extending direction of the cantilever 3, and the connecting hole set In the safety pin 2, and the connecting hole and the safety pin 2 are matched with each other, as shown in FIG. 2, the cantilever 3 is sleeved on the safety pin 2 through the connecting hole, the outer ring is connected with the motor 5, and the inner ring is separated from the safety pin 2 through the connecting hole.
  • the extending direction of the above-mentioned cantilever 3 refers to a radial direction perpendicular to its axial direction (longitudinal direction), that is, the up-and-down direction as shown in FIG. 2, and the through-direction of the connecting hole refers to the axial direction of the cantilever 3 ( The length direction), that is, the left and right direction as shown in FIG.
  • the motor suspension mechanism allows the cantilever 3 to be suspended from the motor 5 (the outer ring of the cantilever 3 is suspended), and the cantilever 3 is provided with one end of the connecting hole (the inner ring of the cantilever 3) to be free along the safety pin 2 within a certain range. mobile.
  • Other connection methods can also be used, such as setting a hook on the cantilever 3.
  • the two elastic limiting members 4 are respectively disposed on the two ends of the safety pin 2, and the ends of the two elastic limiting members 4 are fixedly connected to the two connections.
  • the inner side surface of the plate 1 that is, the opposite side surface of the two connecting plates 1 , the end of the cantilever 3 is located between the two elastic limiting members 4 and spaced apart from the corresponding elastic limiting member 4 .
  • the end of the cantilever 3 is freely movable in the interval between the two elastic limiting members 4, that is, the cantilever 3 can move between the two elastic limiting members 4, and when the moving distance is too large, the elastic limiting member 4 is struck. It acts as a buffer to avoid equipment damage.
  • the elastic limiting member 4 can have various forms, such as a mounting seat including a fixing inner connecting plate 1 and a spring disposed in the mounting seat and fitted to the safety pin 2.
  • the bottom surface of the mounting seat is provided for the safety pin 2 to pass through. Through hole.
  • the mounting seat is connected to the connecting plate 1 by bolts, and the end cover is specifically a rubber cover.
  • Other forms of the elastic limiting member 4 may be used, such as using a reed or a buffer rubber column or the like, or changing the connection manner, such as welding or snapping, etc., are within the scope of the present invention.
  • a fixed limit cap can be arranged at one end of the safety pin 2.
  • the diameter of the limit cap is larger than the diameter of the positioning hole.
  • the safety pin 2 is not provided with one end of the limit cap. Passing through a connecting plate 1, an elastic limiting member 4, a connecting hole of the cantilever 3, another elastic limiting member 4 and another connecting plate 1, the limiting cap is abutted against the first connecting plate 1, and then safely The pin 2 is not provided with one end of the limit cap to be connected to the limit member to prevent the safety pin 2 from falling off.
  • a specific embodiment of the present invention further provides a rail train including the above-mentioned motor suspension mechanism.
  • a rail train including the above-mentioned motor suspension mechanism.

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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)

Abstract

一种轨道列车的电机悬吊机构及一种包括上述电机悬吊机构的轨道列车，包括用于连接转向架构架的连接件、安装于连接件且水平设置的安全销（2）和悬臂（3），悬臂（3）的一端用于连接电机（5），悬臂的另一端活动连接安全销（2）且能够沿安全销（2）的长度方向移动，安全销（2）上安装有用于限制悬臂（3）移动范围的弹性限位件（4）。连接件连接转向架构架，悬臂（3）连接电机（5），通过安全销（2）连接悬臂（3）和连接件，实现电机（5）与转向架构架的连接，其它悬吊部件出现问题时，通过悬臂（3）实现电机（5）的悬吊，同时通过安全销（2）上的弹性限位件实现对电机（5）的限位，即实现对电机（5）限位的同时，为电机（5）的悬吊提供多重保障。

Description

轨道列车及其电机悬吊机构
本申请要求于2017年12月22日提交中国专利局、申请号为201711408522.5、发明名称为“轨道列车及其电机悬吊机构”，以及申请号为201721827946.0、发明名称为“轨道列车及其电机悬吊机构”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及轨道列车领域，特别是涉及一种轨道列车的电机悬吊机构。此外，本发明还涉及一种包括上述电机悬吊结构的轨道列车。
背景技术
动车组是轨道列车的一种类型，是由至少两节机车或带动力的车厢和若干节不带动力的车厢所组成的列车。动车组起源于机车重联，但与传统重联有所不同。重联一般用于货运列车，主要是解决牵引力不足问题，仅仅是增加机车数量，没有改变车厢车皮的拖车性质。动车组几乎只用于客运列车，主要是解决加速度不足和最高速度受限的问题，驱动装置可以分别安放在多节载客车厢内部，使这些车厢成为动车，而车头却可能成为只有操纵平台但没有驱动力的拖车。
纯动车组中每一节车厢都有动力装置，车头和车厢大多融为一体或没有车头、列车完全由铁路系统控制；主要用于部分城市轨道交通列车，如磁悬浮列车、APM列车和超高速度试验列车等。一般动车组由两节机车、若干节动力车厢和非动力车厢共同组成，也有一些动车组取消了车头上的动力装置，仅保留列车的操控设备。
上述动车组需要在转向架上悬挂电机，由于牵引电机相对于转向架构架在平行于电机主轴方向是可运动的，为避免过大的运动幅度，在电机与转向架构架之间需要设计限位装置。同时，为了防止电机在悬挂故障时脱落，在电机或构架上应设计防止电机掉落的安全机构。
但是目前最常用的限位方式是在构架和电机上设置刚性止档或单独弹 性止档，最常用的防止电机掉落方式是在电机上设计托梁，或在电机与构架之间设置安全钩。上述几种方式均无法同时实现对电机的悬挂和限位，使设备结构复杂，占用空间较大，不利于安装维护。
因此，如何提供能够同时实现对电机的悬挂和限位的电机悬吊机构，从而简化结构，减小空间，便于安装维护，是本领域技术人员目前需要解决的技术问题。
发明内容
本发明的目的是提供一种电机悬挂机构，能够同时实现对电机的悬挂和限位，简化结构，减小空间，便于安装维护。本发明的另一目的是提供一种包括上述电机悬挂机构的轨道列车。
为解决上述技术问题，本发明提供一种轨道列车的电机悬吊机构，包括用于连接转向架构架的连接件、安装于所述连接件且水平设置的安全销和悬臂，所述悬臂的一端用于连接电机，所述悬臂的另一端活动连接所述安全销且能够沿所述安全销的长度方向移动，所述安全销上安装有用于限制所述悬臂移动范围的弹性限位件。
优选地，所述连接件包括平行设置的两个连接板，所述连接板的前侧边缘用于连接转向架构架，两个所述连接板上分别设置有相对的两个定位孔，所述安全销的两端分别安装于两个所述连定位孔内。
优选地，所述连接板竖向布置且大体呈“P”字形，其朝向所述电机一侧的直角部位圆滑过渡，形成弧线形边缘，所述安全销设于所述连接板宽度较大的头部区域。
优选地，所述悬臂靠近所述安全销的一端设置有水平贯穿所述悬臂端部的连接孔，所述连接孔的贯穿方向垂直于所述悬臂的延伸方向，所述连接孔套装于所述安全销，且所述连接孔和所述安全销间隙配合。
优选地，所述悬臂外套于所述安全销，沿垂直于所述安全销长度方向的径向，所述悬臂包括内圈和外圈，所述内圈通过所述连接孔与所述安全销间隙配合，所述外圈连接所述电机。
优选地，包括分别套装于所述安全销两端的两个所述弹性限位件，两 个所述弹性限位件的端部分别固定连接两个所述连接板的内侧板面，所述悬臂的端部位于两个所述弹性限位件之间且具有间隔。
优选地，所述弹性限位件包括固定连接所述连接板内侧板面的安装座和设置于所述安装座内并套装于所述安全销的弹簧，所述安装座底面设置有用于所述安全销穿过的通孔。
优选地，所述弹簧远离所述安装座的一端设置有端盖，所述端盖上设置有用于所述安全销穿过的通孔。
优选地，所述安装座通过螺栓连接所述连接板。
优选地，所述端盖具体为橡胶盖。
本发明提供一种轨道列车，包括转向架构架以及连接所述转向架构架的电机悬吊机构，所述电机悬吊机构具体为上述任意一项所述的电机悬吊机构。
本发明提供一种轨道列车的电机悬吊机构，包括用于连接转向架构架的连接件、安装于连接件且水平设置的安全销和悬臂，悬臂的一端用于连接电机，悬臂的另一端活动连接安全销且能够沿安全销的长度方向移动，安全销上安装有用于限制悬臂移动范围的弹性限位件。连接件连接转向架构架，悬臂连接电机，通过安全销连接悬臂和连接件，实现电机与转向架构架的连接，其它悬吊部件出现问题时，通过悬臂实现电机的悬吊，同时通过安全销上的弹性限位件实现对电机的限位，即实现对电机限位的同时为电机的悬吊提供多重保障，且整体结构简单紧凑，节省空间，安装方便，有利于生产及运用维护。
本发明还提供一种包括上述电机悬吊机构的轨道列车，由于上述电机悬挂机构具有上述技术效果，上述轨道列车也应具有同样的技术效果，在此不再详细介绍。
附图说明
图1为本发明所提供的电机悬吊机构的一种具体实施方式的结构示意图；
图2为本发明所提供的电机悬吊机构的一种具体实施方式的剖视示意 图。
具体实施方式
本发明的核心是提供一种电机悬吊机构，能够同时实现对电机的悬挂和限位，简化结构，减小空间，便于安装维护。本发明的另一核心是提供一种包括上述电机悬挂机构的轨道列车。
为了使本技术领域的人员更好地理解本发明方案，下面结合附图和具体实施方式对本发明作进一步的详细说明。
请参考图1和图2，图1为本发明所提供的电机悬吊机构的一种具体实施方式的结构示意图；图2为本发明所提供的电机悬吊机构的一种具体实施方式的剖视示意图。
本发明具体实施方式提供一种轨道列车的电机悬吊机构，包括用于连接转向架构架的连接件、安装于连接件且水平设置的安全销2和悬臂3，悬臂3的一端用于连接电机5，悬臂3的另一端活动连接安全销2且能够沿安全销2的长度方向移动，安全销2上安装有用于限制悬臂3移动范围的弹性限位件4。
连接件连接转向架构架，悬臂3连接电机5，通过安全销2连接悬臂3和连接件，实现电机5与转向架构架的连接，其它悬吊部件出现问题时，通过悬臂3实现电机5的悬吊，同时通过安全销2上的弹性限位件4实现对电机5的限位，即该电机悬吊机构在实现对电机5限位的同时，为电机的悬吊提供多重保障，且整体结构简单紧凑，节省空间，安装方便，有利于生产及运用维护。
具体地，连接件包括平行设置的两个连接板1，连接板1的前侧边缘用于连接转向架构架，两个连接板1上分别设置有相对的两个定位孔，安全销2的两端分别安装于两个定位孔内。连接板1竖向布置且大体呈“P”字形，其朝向电机5一侧的直角部位圆滑过渡，形成弧线形边缘，安全销2设于连接板1宽度较大的头部区域。也可调整连接板1形状和数量，均在本发明的保护范围之内。
在本发明具体实施方式提供的电机悬吊机构中，悬臂3靠近安全销2 的一端设置有水平贯穿悬臂3端部的连接孔，连接孔的贯穿方向垂直于悬臂3的延伸方向，连接孔套装于安全销2，且连接孔和安全销2间隙配合，如图2所示，悬臂3通过连接孔外套于安全销2，其外圈与电机5连接，内圈通过连接孔与安全销2间隙配合，因此，上述悬臂3的延伸方向指的是垂直于其轴向(长度方向)的径向，即如图2所示的上下方向，连接孔的贯穿方向指的是悬臂3的轴向(长度方向)，即如图2所示的左右方向。
因此，该电机悬吊机构使悬臂3在悬挂电机5(悬臂3外圈悬挂电机)的同时，悬臂3设有连接孔的一端(悬臂3的内圈)能够在一定范围内沿安全销2自由移动。也可采用其他连接方式，如在悬臂3上设置挂钩等。
在上述各具体实施方式提供的电机悬吊机构的基础上，还包括分别套装于安全销2两端的两个弹性限位件4，两个弹性限位件4的端部分别固定连接两个连接板1的内侧板面，即两个连接板1相对的一侧板面，悬臂3的端部位于两个弹性限位件4之间，且与对应的弹性限位件4具有间隔。悬臂3的端部在两个弹性限位件4之间的间隔内能够自由移动，即悬臂3能够在两弹性限位件4之间移动，移动距离过大时会撞击弹性限位件4，起到缓冲作用，避免设备损坏。
弹性限位件4可以具有多种形式，如包括固定连接连接板1内侧板面的安装座和设置于安装座内并套装于安全销2的弹簧，安装座底面设置有用于安全销2穿过的通孔。还可以在弹簧远离安装座的一端设置有端盖，端盖上设置有用于安全销2穿过的通孔。安装座通过螺栓连接连接板1，端盖具体为橡胶盖。也可采用其他形式的弹性限位件4，如采用簧片或缓冲橡胶柱等，或改变连接方式，如焊接或卡接等，均在本发明的保护范围之内。
为了保证安全销2的稳定连接，可以在安全销2的一端设置固定的限位帽，限位帽的直径大于定位孔的直径，安装过程中，安全销2不设置限位帽的一端依次穿过一个连接板1、一个弹性限位件4、悬臂3的连接孔、另一个弹性限位件4和另一个连接板1，限位帽与最先穿过的连接板1相抵，然后在安全销2不设置限位帽的一端连接限位件，防止安全销2脱落。
除了上述电机悬吊机构，本发明的具体实施方式还提供一种包括上述电机悬吊机构的轨道列车，该轨道列车其他各部分的结构请参考现有技术， 本文不再赘述。
以上对本发明所提供的轨道列车及其电机悬吊机构进行了详细介绍。本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想。应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以对本发明进行若干改进和修饰，这些改进和修饰也落入本发明权利要求的保护范围内。

Claims (11)

  1. 一种轨道列车的电机悬吊机构，其特征在于，包括用于连接转向架构架的连接件、安装于所述连接件且水平设置的安全销(2)和悬臂(3)，所述悬臂(3)的一端用于连接电机(5)，所述悬臂(3)的另一端活动连接所述安全销(2)且能够沿所述安全销(2)的长度方向移动，所述安全销(2)上安装有用于限制所述悬臂(3)移动范围的弹性限位件(4)。
  2. 根据权利要求1所述的电机悬吊机构，其特征在于，所述连接件包括平行设置的两个连接板(1)，所述连接板(1)的前侧边缘用于连接转向架构架，两个所述连接板(1)上分别设置有相对的两个定位孔，所述安全销(2)的两端分别安装于两个所述连定位孔内。
  3. 根据权利要求2所述的电机悬吊机构，其特征在于，所述连接板(1)竖向布置且大体呈“P”字形，其朝向所述电机(5)一侧的直角部位圆滑过渡，形成弧线形边缘，所述安全销(2)设于所述连接板(1)宽度较大的头部区域。
  4. 根据权利要求3所述的电机悬吊机构，其特征在于，所述悬臂(3)靠近所述安全销(2)的一端设置有水平贯穿所述悬臂(3)端部的连接孔，所述连接孔的贯穿方向垂直于所述悬臂(3)的延伸方向，所述连接孔套装于所述安全销(2)，且所述连接孔和所述安全销(2)间隙配合。
  5. 根据权利要求4所述的电机悬吊机构，其特征在于，所述悬臂(3)外套于所述安全销(2)，沿垂直于所述安全销(2)长度方向的径向，所述悬臂(3)包括内圈和外圈，所述内圈通过所述连接孔与所述安全销(2)间隙配合，所述外圈连接所述电机(5)。
  6. 根据权利要求2至5任意一项所述的电机悬吊机构，其特征在于，包括分别套装于所述安全销(2)两端的两个所述弹性限位件(4)，两个所述弹性限位件(4)的端部分别固定连接两个所述连接板(1)的内侧板面，所述悬臂(3)的端部位于两个所述弹性限位件(4)之间且具有间隔。
  7. 根据权利要求6所述的电机悬吊机构，其特征在于，所述弹性限位件(4)包括固定连接所述连接板(1)内侧板面的安装座和设置于所述安装座内并套装于所述安全销(2)的弹簧，所述安装座底面设置有用于所述 安全销(2)穿过的通孔。
  8. 根据权利要求7所述的电机悬吊机构，其特征在于，所述弹簧远离所述安装座的一端设置有端盖，所述端盖上设置有用于所述安全销(2)穿过的通孔。
  9. 根据权利要求8所述的电机悬吊机构，其特征在于，所述安装座通过螺栓连接所述连接板(1)。
  10. 根据权利要求9所述的电机悬吊机构，其特征在于，所述端盖具体为橡胶盖。
  11. 一种轨道列车，包括转向架构架以及连接所述转向架构架的电机悬吊机构，其特征在于，所述电机悬吊机构具体为权利要求1至10任意一项所述的电机悬吊机构。
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