WO2019001050A1 - 用于道岔的柔性驱动装置 - Google Patents

用于道岔的柔性驱动装置 Download PDF

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Publication number
WO2019001050A1
WO2019001050A1 PCT/CN2018/081143 CN2018081143W WO2019001050A1 WO 2019001050 A1 WO2019001050 A1 WO 2019001050A1 CN 2018081143 W CN2018081143 W CN 2018081143W WO 2019001050 A1 WO2019001050 A1 WO 2019001050A1
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WO
WIPO (PCT)
Prior art keywords
driving
wheel
drive
flexible
switch according
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PCT/CN2018/081143
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English (en)
French (fr)
Inventor
赵龙飞
李琳娜
曾浩
牛茹茹
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比亚迪股份有限公司
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Application filed by 比亚迪股份有限公司 filed Critical 比亚迪股份有限公司
Publication of WO2019001050A1 publication Critical patent/WO2019001050A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/06—Electric devices for operating points or scotch-blocks, e.g. using electromotive driving means
    • B61L5/065—Construction of driving mechanism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/02—Mechanical devices for operating points or scotch-blocks, e.g. local manual control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/06—Electric devices for operating points or scotch-blocks, e.g. using electromotive driving means

Definitions

  • the present disclosure relates to the field of rail transit technology, and in particular to a flexible driving device for a ballast.
  • the switch structure is mostly driven by an electric push rod, and the number of electric push rods currently available to meet the requirements is small.
  • the electric push rod is a linear motion by driving a ball screw or a planetary roller screw through an internal mechanical transmission (gear, timing belt or coupling, etc.). Internal parts require precision machining, assembly and regular lubrication to ensure proper operation. Once damaged, it is more difficult to repair and replace.
  • the ballast beam will produce deflection in all directions, especially in the vertical direction.
  • the components of the driving device are connected by rigid parts, and the deflection may cause the electric push rod to be subjected to radial force, and the radial force has a great influence on the service life of the electric push rod, and the driving device is seriously affected by the impact.
  • the present disclosure aims to solve at least one of the technical problems in the related art to some extent.
  • the present disclosure proposes a flexible driving device for a ballast that can reduce the impact of the ballast beam on the driving member when the vehicle passes the ballast beam, thereby improving the service life of the driving member.
  • a flexible driving device for a switch includes: a driving wheel and a driven wheel, the driving wheel and the driven wheel are spaced apart; a driving member connected to the driving wheel and used for a driving station The driving wheel rotates; the driving strip is configured to be annular and tensioned on the driving wheel and the driven wheel, and the driving strip is used for moving the ballast beam to realize the turning.
  • the flexible driving device for a switch of the present disclosure by providing a flexible driving strip between the driving member and the ballast beam, the deflection generated by the ballast beam is reduced when the vehicle passes the ballast beam, and the driving member is directly reduced.
  • the rigid impact increases the service life of the drive.
  • the driving wheel and the driven wheel are pulleys, and the driving wheel and the driven wheel are each provided with a pulley wire groove, and the driving bar is fitted in the pulley wire groove.
  • the flexible driving device further includes: a driving wheel mounting bracket and a driven wheel mounting bracket, the driving wheel is mounted on the driving wheel mounting bracket, and the driven wheel is mounted on the driven wheel On the mounting bracket.
  • the driving member and the driving wheel are connected by a driving shaft, the driving shaft is connected with the driving wheel, and the driving shaft is disposed between the driving wheel and the driving wheel mounting bracket. There are bearings.
  • a gasket is disposed in the pulley wire groove.
  • the driving strip includes: a driving strip body and a connecting device, two ends of the connecting device are respectively connected to two ends of the driving strip body, and the driving strip body is a steel wire rope.
  • both ends of the connecting device are provided with a collar, and both ends of the driving strip body bypass the corresponding collar and are clamped by the wire rope clamp.
  • the connecting device is coupled to the collar by a connecting pin.
  • the flexible driving device further includes: a shield that covers the driving strip.
  • the flexible driving device further includes: a controller connected to the driving member.
  • the driving member is a geared motor.
  • the driving wheel and the driving wheel are sprocket, and the driving strip is a chain.
  • FIG. 1 is a schematic illustration of one direction of a flexible drive device in accordance with an embodiment of the present disclosure
  • FIG. 2 is a schematic illustration of another orientation of a flexible drive device in accordance with an embodiment of the present disclosure
  • FIG. 3 is a schematic view of a drive member coupled to a drive wheel in accordance with an embodiment of the present disclosure
  • FIG. 4 is a partial schematic view of a connection of a connecting device to a drive bar body, in accordance with an embodiment of the present disclosure.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” and “second” may include at least one of the features, either explicitly or implicitly.
  • the meaning of "a plurality” is at least two, such as two, three, etc., unless specifically defined otherwise.
  • the terms “installation”, “connected”, “connected”, “fixed”, and the like, are to be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated or defined otherwise. Or in one piece; it may be a mechanical connection, or it may be an electrical connection or a communication with each other; it may be directly connected or indirectly connected through an intermediate medium, and may be an internal connection of two elements or an interaction relationship between two elements. Unless otherwise expressly defined. The specific meanings of the above terms in the present disclosure can be understood by those skilled in the art on a case-by-case basis.
  • a flexible driving device 100 for a switch will be described in detail below with reference to FIGS. 1 through 4.
  • a flexible drive device 100 for a switch may include a drive wheel 110 and a driven wheel 120, a drive member 130, and a drive bar 140.
  • the driving wheel 110 and the driven wheel 120 are spaced apart, the driving member 130 is connected to the driving wheel 110 and is used for driving the driving wheel 110 to rotate.
  • the driving bar 140 is configured as an annular structure and is tensioned on the driving wheel 110 and the driven wheel 120, and is driven. When the piece 130 drives the driving wheel 110 to rotate, the driving bar 140 can rotate accordingly.
  • the driving member 130 is a geared motor.
  • the ballast beam 200 can be disposed on the drive bar, and the drive bar 140 is used to move the ballast beam 200 to effect the transition. Since the driving bar 140 is tensioned on the driving wheel 110 and the driven wheel 120, the driving bar 140 can rotate along with the rotation of the driving wheel 110, and the driving bar 140 can drive the ballast beam 200 to rotate to realize the turning.
  • the driving member 130 and the ballast beam 200 are not rigidly connected, but are connected by the flexible driving bar 140, the deflection of the ballast beam 200 is small when the vehicle passes through the ballast beam 200, and the deflection is not directly generated.
  • the impact drive member 130, the drive bar 140 can be slightly deflected when the vehicle passes the ballast beam 200, thereby effectively reducing the direct impact of the drive member 130.
  • the flexible driving device 100 for a ballast by providing a flexible driving bar 140 between the driving member 130 and the ballast beam 200, the deflection generated by the ballast beam 200 is reduced as the vehicle passes the ballast beam 200, Moreover, the rigid impact directly received by the driving member 130 is effectively reduced, and the service life of the driving member 130 is improved.
  • the driving wheel 110 and the driven wheel 120 are pulleys, and the driving wheel 110 and the driven wheel 120 are respectively provided with a pulley wire groove, and the driving bar 140 is matched with the pulley wire slot.
  • the driving wheel 110 drives the driving bar 140 to move by friction.
  • the drive bar 140 may be a wire rope, but is not limited thereto.
  • the driving wheel 110 can drive the driving bar 140 to move, and the ballast beam 200 disposed on the driving bar 140 can also move along with the ballast beam 200.
  • the flexible drive device 100 for a switch further includes a drive wheel mount 160 and a driven wheel mount 170.
  • the drive wheel 110 is mounted on the drive wheel mount 160
  • the driven wheel 120 is mounted on the driven wheel mount 170. on.
  • the driving wheel mounting bracket 160 can support the driving wheel 110
  • the driven wheel mounting bracket 170 can support the driven wheel 120, so that the driving wheel 110 and the driven wheel 120 can be smoothly rotated.
  • the driving member 130 is connected to the driving wheel 110 via a driving shaft 131.
  • the driving shaft 131 is keyed to the driving wheel 110, and a bearing 150 is disposed between the driving shaft 131 and the driving wheel mounting frame 160.
  • the driving member 130 may be a motor, and the driving shaft 131 may be disposed on the motor. When the motor is in operation, the driving shaft 131 rotates to drive the driving wheel 110 to rotate.
  • a bearing 150 is disposed between the drive shaft 131 and the driving wheel mounting bracket 160 to ensure smooth sliding of the driving shaft 131 and improve power transmission efficiency of the driving member 130.
  • a pad is disposed within the sliding wire slot.
  • the driving strip 140 may specifically include a driving strip body 141 and a connecting device 142. Both ends of the connecting device 142 are respectively connected to two ends of the driving strip body 141, and the driving strip body 141 is a steel wire rope.
  • the connecting device 142 can adjust the length of the driving strip body 141 to change the tension of the driving strip body 141 on the driving wheel 110 and the driven wheel 120.
  • both ends of the connecting device 142 are provided with a collar 143, and both ends of the driving strip body 141 bypass the corresponding collar 143 and are clamped by the wire rope clamp 144.
  • the wire rope clamp 144 can loosen or clamp the drive bar body 141.
  • the wire rope clamp 144 releases the drive bar body 141 the length of the drive bar body 141 extending into the collar 143 can be adjusted, when the drive bar 140 extends into the sleeve.
  • the wire rope clamp 144 can be clamped to the drive bar body 141, so that the drive bar 140 is tensioned on the drive wheel 110 and the driven wheel 120.
  • the connecting device 142 and the collar 143 are connected by a connecting pin, and the connecting pin can quickly mount the collar 143 at both ends of the connecting device 142, thereby improving the mounting efficiency of the connecting device 142 and the collar 143.
  • the flexible drive 100 for a switch further includes a shield (not shown) that shields the drive strip 140.
  • the flexible drive 100 for a switch further includes a controller coupled to the drive member 130.
  • the controller can receive the switch information and issue an instruction to the drive member 130 according to the switch information, and the drive member 130 can drive the drive bar 140 to move to realize the movement or replacement of the ballast beam 200. Due to the presence of the controller, the ballast beam can be controlled remotely or by the body.
  • the drive wheel 110 and the driven wheel 120 are sprocket wheels and the drive bar 140 is a chain.
  • the ballast beam 200 can be disposed on the chain. When the sprocket rotates and drives the chain to move, the ballast beam 200 can move to achieve a turning motion.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

一种道岔挠曲装置包括：两个导向板（1），之间具有多个沿X方向并列分布且沿Y方向延伸的第一推杆（2）；两个稳定板（3），之间具有多个沿X方向并列分布且沿Y方向延伸的第二推杆（4），稳定板（3）在Z方向与导向板（1）间隔开；第一传动轴（5）和第二传动轴（6），沿X方向延伸，第一传动轴（5）和第二传动轴（6）上对应设有第一齿轮（51）和第二齿轮（61）；驱动组件（7），包括沿Z方向延伸的蜗杆（71），蜗杆（71）上具有与第一齿轮（51）啮合的第一齿部（711）和与第二齿轮（61）啮合的第二齿部（712）；多个传动组件（9,10），被构造成由蜗杆（71）驱动第一传动轴（5）和第二传动轴（6）转动以带动相应的第一推杆（2）或第二推杆（4）沿Y方向移动实现两个导向板（1）和两个稳定板（3）的挠曲。还提供了一种可挠型道岔。

Description

用于道岔的柔性驱动装置 技术领域
本公开涉及轨道交通技术领域，特别涉及一种用于道岔的柔性驱动装置。
背景技术
相关技术中的道岔结构多采用电动推杆驱动道岔转辙，目前能满足要求的电动推杆选购型号很少。电动推杆是通过内部的机械传动装置(齿轮、同步带或联轴器等)驱动滚珠丝杆或行星滚柱丝杆来实现直线运动的。内部零件都需要精密的加工、装配和定期的润滑保养才能保证正常工作。一旦损坏，维修更换难度都较大。
此外，列车通过道岔梁时，道岔梁会产生各个方向的挠度，特别是垂直方向上。而此种驱动装置各组件之间通过刚性零件连接，挠度可能会使电动推杆受到径向力，而径向力对电动推杆的使用寿命影响很大，驱动装置受冲击影响严重。
发明内容
本公开旨在至少在一定程度上解决相关技术中的技术问题之一。为此，本公开提出一种用于道岔的柔性驱动装置，在车辆经过道岔梁时，该柔性驱动装置可以减少道岔梁对驱动件的冲击，提升了驱动件的使用寿命。
根据本公开的用于道岔的柔性驱动装置，包括：主动轮和从动轮，所述主动轮和所述从动轮间隔设置；驱动件，所述驱动件与所述主动轮相连且用于驱动所述主动轮转动；驱动条，所述驱动条构造为环形且张紧在所述主动轮和所述从动轮上，所述驱动条用于移动道岔梁以实现转辙。
根据本公开的用于道岔的柔性驱动装置，通过在驱动件和道岔梁之间设置柔性的驱动条，使得在车辆经过道岔梁时，降低道岔梁产生的挠度，且有效降低了驱动件直接受到的刚性冲击，提高了驱动件的使用寿命。
根据本公开的一个实施例，所述主动轮和所述从动轮为滑轮，所述主动轮和所述从动轮上均设置有滑轮线槽，所述驱动条配合在所述滑轮线槽中。
根据本公开的一个实施例，所述柔性驱动装置还包括：主动轮安装架和从动轮安装架，所述主动轮安装在所述主动轮安装架上，所述从动轮安装在所述从动轮安装架上。
根据本公开的一个实施例，所述驱动件与所述主动轮之间通过驱动轴相连，所述驱动 轴与所述主动轮键连接，所述驱动轴与所述主动轮安装架之间设置有轴承。
根据本公开的一个实施例，所述滑轮线槽内设置有衬垫。
根据本公开的一个实施例，所述驱动条包括：驱动条本体和连接装置，所述连接装置的两端分别与所述驱动条本体的两端相连，所述驱动条本体为钢丝绳。
根据本公开的一个实施例，所述连接装置的两端均设置有套环，所述驱动条本体的两端端绕过对应的所述套环且通过钢丝绳夹夹紧。
根据本公开的一个实施例，所述连接装置与所述套环通过连接销连接。
根据本公开的一个实施例，所述柔性驱动装置还包括：防护板，所述防护板罩设所述驱动条。
根据本公开的一个实施例，所述柔性驱动装置还包括：控制器，所述控制器与所述驱动件相连。
根据本公开的一个实施例，所述驱动件为减速电机。
根据本公开的一个实施例，所述主动轮和所述驱动轮为链轮，所述驱动条为链条。
本公开的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本公开的实践了解到。
附图说明
本公开的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解，其中：
图1是根据本公开实施例的柔性驱动装置的一个方向的示意图；
图2是根据本公开实施例的柔性驱动装置的另一个方向的示意图；
图3是根据本公开实施例的驱动件与主动轮连接的示意图；
图4是根据本公开实施例的部分示意图，示出了连接装置与驱动条本体的连接。
附图标记：柔性驱动装置100，主动轮110，从动轮120，驱动件130，驱动轴131，驱动条140，驱动条本体141，连接装置142，套环143，钢丝绳夹144，轴承150，主动轮安装架160，从动轮安装架170，道岔梁200。
具体实施方式
下面详细描述本公开的实施例，所述实施例的示例在附图中示出。下面通过参考附图描述的实施例是示例性的，旨在用于解释本公开，而不能理解为对本公开的限制。
在本公开的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、 “厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本公开和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本公开的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。在本公开的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确具体的限定。
在本公开中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接或彼此可通讯；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本公开中的具体含义。
下面结合图1至图4对本公开实施例的用于道岔的柔性驱动装置100进行详细描述。
如图2所示，根据本公开实施例的用于道岔的柔性驱动装置100可以包括主动轮110和从动轮120、驱动件130和驱动条140。
主动轮110和从动轮120间隔设置，驱动件130与主动轮110相连且用于驱动主动轮110转动，驱动条140构造为环形结构且张紧在主动轮110和从动轮120上，进而在驱动件130驱动主动轮110转动时，驱动条140可以随之转动。可选地，驱动件130为减速电机。
道岔梁200可以设置在驱动条上，驱动条140用于移动道岔梁200以实现转辙。由于驱动条140张紧在主动轮110和从动轮120上，因此驱动条140可以随着主动轮110的转动而转动，进而驱动条140可以带动道岔梁200转动，实现转辙。
由于驱动件130与道岔梁200之间并非刚性连接，而是通过柔性的驱动条140进行连接，因此车辆在经过道岔梁200时，道岔梁200产生的挠度较小，且产生的挠度不会直接冲击驱动件130，驱动条140可以在车辆经过道岔梁200时发生微小的偏转，从而有效降低了驱动件130直接受到刚性冲击。
根据本公开实施例的用于道岔的柔性驱动装置100，通过在驱动件130和道岔梁200之间设置柔性的驱动条140，使得在车辆经过道岔梁200时，降低道岔梁200产生的挠度，且有效降低了驱动件130直接受到的刚性冲击，提高了驱动件130的使用寿命。
在本公开的一些实施例中，如图1-3所示，主动轮110与从动轮120为滑轮，主动轮 110和从动轮120上均设置有滑轮线槽，驱动条140配合在滑轮线槽中，主动轮110通过摩擦力带动驱动条140运动。驱动条140可以为钢丝绳，但不限于此。
由此，主动轮110可以带动驱动条140移动，进而设置在驱动条140上的道岔梁200也可以随着移动，实现道岔梁200的转辙。
如图1所示，用于道岔的柔性驱动装置100还包括主动轮安装架160和从动轮安装架170，主动轮110安装在主动轮安装架160上，从动轮120安装在从动轮安装架170上。主动轮安装架160可以将主动轮110支撑起来，从动轮安装架170可以将从动轮120支撑起来，从而主动轮110和从动轮120可以顺利地转动。
驱动件130与主动轮110之间通过驱动轴131相连，驱动轴131与主动轮110键连接，驱动轴131与主动轮安装架160之间设置有轴承150。例如，驱动件130可以为电机，电机上可以设置有所述驱动轴131，电机工作时，驱动轴131转动以带动主动轮110转动。
驱动轴131与主动轮安装架160之间设置轴承150，可以保证驱动轴131可以顺畅的滑动，提高了驱动件130的动力传递效率。
在本公开的一些实施例中，滑动线槽内设置有衬垫。由此，可以降低传动条与滑动线槽之间的摩擦，减少传动条的磨损，延长传动条的使用寿命。
如图1-2和图4所示，驱动条140具体可以包括驱动条本体141和连接装置142，连接装置142的两端分别与驱动条本体141的两端相连，驱动条本体141为钢丝绳。连接装置142可调整驱动条本体141的长度，以改变驱动条本体141在主动轮110和从动轮120上的张紧力。
如图4所示，连接装置142的两端均设置有套环143，驱动条本体141的两端绕过对应的套环143且通过钢丝绳夹144夹紧。钢丝绳夹144可以松开或夹紧驱动条本体141，当钢丝绳夹144松开驱动条本体141时，可以调整驱动条本体141伸入到套环143中的长度，当驱动条140伸入到套环143中的长度合适时，可以将钢丝绳夹144夹紧驱动条本体141，实现驱动条140张紧在主动轮110和从动轮120上。
连接装置142与套环143通过连接销连接，连接销可以快速地将套环143安装在连接装置142的两端，提高了连接装置142与套环143的安装效率。
在本公开的一些实施例中，用于道岔的柔性驱动装置100还包括防护板(未示出)，防护板罩设驱动条140。由此，可以防止风力或其他外力导致驱动条140偏转角度过大而出现脱槽的现象，提高了柔性驱动装置100的工作稳定性。
在本公开的一些实施例中，用于道岔的柔性驱动装置100还包括控制器，控制器与驱动件130相连。控制器可以接收转辙信息，并根据转辙信息向驱动件130发出指令，驱动件130可以带动驱动条140移动，以实现道岔梁200的移动或替换。由于控制器的存在， 可以远程或本体控制道岔梁转辙。
在本公开的一些实施例中，主动轮110和从动轮120为链轮，驱动条140为链条。道岔梁200可以设置在链条上，当链轮转动且带动链条移动时，道岔梁200可以发生移动以实现转辙动作。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本公开的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
尽管上面已经示出和描述了本公开的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本公开的限制，本领域的普通技术人员在本公开的范围内可以对上述实施例进行变化、修改、替换和变型。

Claims (12)

  1. 一种用于道岔的柔性驱动装置，其特征在于，包括：
    主动轮和从动轮，所述主动轮和所述从动轮间隔设置；
    驱动件，所述驱动件与所述主动轮相连且用于驱动所述主动轮转动；
    驱动条，所述驱动条构造为环形且张紧在所述主动轮和所述从动轮上，所述驱动条用于移动道岔梁以实现转辙。
  2. 根据权利要求1所述的用于道岔的柔性驱动装置，其特征在于，所述主动轮和所述从动轮为滑轮，所述主动轮和所述从动轮上均设置有滑轮线槽，所述驱动条配合在所述滑轮线槽中。
  3. 根据权利要求2所述的用于道岔的柔性驱动装置，其特征在于，还包括：主动轮安装架和从动轮安装架，所述主动轮安装在所述主动轮安装架上，所述从动轮安装在所述从动轮安装架上。
  4. 根据权利要求3所述的用于道岔的柔性驱动装置，其特征在于，所述驱动件与所述主动轮之间通过驱动轴相连，所述驱动轴与所述主动轮键连接，所述驱动轴与所述主动轮安装架之间设置有轴承。
  5. 根据权利要求2所述的用于道岔的柔性驱动装置，其特征在于，所述滑轮线槽内设置有衬垫。
  6. 根据权利要求1所述的用于道岔的柔性驱动装置，其特征在于，所述驱动条包括：驱动条本体和连接装置，所述连接装置的两端分别与所述驱动条本体的两端相连，所述驱动条本体为钢丝绳。
  7. 根据权利要求6所述的用于道岔的柔性驱动装置，其特征在于，所述连接装置的两端均设置有套环，所述驱动条本体的两端绕过对应的所述套环且通过钢丝绳夹夹紧。
  8. 根据权利要求7所述的用于道岔的柔性驱动装置，其特征在于，所述连接装置与所述套环通过连接销连接。
  9. 根据权利要求1所述的用于道岔的柔性驱动装置，其特征在于，还包括：防护板，所述防护板罩设所述驱动条。
  10. 根据权利要求1所述的用于道岔的柔性驱动装置，其特征在于，还包括：控制器，所述控制器与所述驱动件相连。
  11. 根据权利要求1所述的用于道岔的柔性驱动装置，其特征在于，所述驱动件为减速电机。
  12. 根据权利要求1所述的用于道岔的柔性驱动装置，其特征在于，所述主动轮和所 述驱动轮为链轮，所述驱动条为链条。
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