WO2017101766A1 - 用于关节型磁浮道岔可动梁间的拨叉装置 - Google Patents

用于关节型磁浮道岔可动梁间的拨叉装置 Download PDF

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Publication number
WO2017101766A1
WO2017101766A1 PCT/CN2016/109772 CN2016109772W WO2017101766A1 WO 2017101766 A1 WO2017101766 A1 WO 2017101766A1 CN 2016109772 W CN2016109772 W CN 2016109772W WO 2017101766 A1 WO2017101766 A1 WO 2017101766A1
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Prior art keywords
fork
plate
friction reducing
rotation
hinge shaft
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PCT/CN2016/109772
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English (en)
French (fr)
Inventor
章致
郭志勇
靖仕元
刘一平
盛勇
韩国兴
秦超
罗宏伟
韩松
Original Assignee
中铁第四勘察设计院集团有限公司
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Publication of WO2017101766A1 publication Critical patent/WO2017101766A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B25/00—Tracks for special kinds of railways
    • E01B25/30—Tracks for magnetic suspension or levitation vehicles
    • E01B25/34—Switches; Frogs; Crossings
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2202/00—Characteristics of moving parts of rail systems, e.g. switches, special frogs, tongues
    • E01B2202/02—Nature of the movement
    • E01B2202/021—Turning or tilting or elastically bending
    • E01B2202/024—Turning or tilting or elastically bending about vertical axis

Definitions

  • the invention belongs to the technical field of medium and low speed maglev track ballast, and particularly relates to a fork device for joint type magnetic floating track and movable beam.
  • a turnout is a line connection device used in rail transit to transfer a rolling stock from one lane to another, usually at the intersection of the throat or two lines of the station.
  • the track of medium and low-speed maglev rail transportation usually includes a ballast beam, a truss beam, a trolley, a beam upper rail, a driving device, a locking device, a movable end rail, and an electric control system.
  • the control of the electrical system is performed.
  • the locking device is unlocked, and the ballast beam is moved from one track to another under the action of the driving device. After the movable end track is flush with the track on the truss beam, the locking device locks and completes the conversion of the ballast.
  • the medium and low speed maglev track ballast usually adopts an articulated magnetic floating track.
  • the joint type magnetic floating raft generally has an active beam and a plurality of driven beams, a fork device between the active beam and the driven beam or between the driven beam and the driven beam, and is a driven beam of the joint type magnetic floating raft An important part of the ability to rotate.
  • the driving device of the ballast will rotate the active beam with the center of rotation as the center of rotation.
  • the ballast active beam passes through the fork device to drive the ballast and the driven beam to rotate together, thereby realizing the transition of the ballast direction.
  • the existing ballast fork device has a complicated structure on one hand, and is difficult to manufacture and manufacture. On the other hand, its structure is remarkable, so that the frictional resistance is large during the shifting process, which not only makes the mechanism wear more, but more seriously it makes The driven beam rotates slowly with the active beam, and the rotation is not smooth enough, resulting in low efficiency and may affect the smoothness of the track.
  • the present invention provides a movable beam for a magnetic floating raft
  • the interleaving device through optimized structural improvement and the corresponding anti-friction component setting, not only ensures that the driven beam rotates along with the active beam when the active beam rotates, but also reduces the frictional resistance during the shifting process, the active beam
  • the driving of the driven beam is smoother, the wear of the fork hinge mechanism is reduced, and the service life of the fork device is improved.
  • a fork device for a magnetic floating raft movable beam for driving a ballast follower beam to rotate with a turn of the ballast active beam
  • the fork device includes a fork hinge mechanism for fixedly connecting with the active beam and a fork unit for connecting with the driven beam, wherein
  • the fork hinge mechanism comprises a base for fixed connection with the active beam and a hinge shaft fixedly fixedly disposed on the base, the hinge shaft is rotatable with the rotation of the active beam, and the hinge shaft is coaxially arranged from the inside to the outside
  • the sleeve has a sliding sleeve and a friction reducing plate, and the rotation of the hinge shaft can drive the sliding sleeve and the friction reducing plate to rotate;
  • the fork unit includes a fork plate fixed on the driven beam, and protrudes from the end of the driven beam and protrudes from the middle portion to form a U-shaped shape having two legs;
  • the hinge shaft on the fork hinge mechanism and the sliding sleeve and the friction reducing plate on the socket are used to pass through the opening of the fork plate, so that the outer wall of the friction reducing plate is in contact with the leg, and the active beam is
  • the friction plate can drive the fork plate to follow, thereby realizing the following rotation of the driven beam.
  • a friction reducing sleeve is further disposed between the hinge shaft and the sliding sleeve, and the fixing shaft is fixedly connected to the hinge shaft so that the rotation of the hinge shaft can drive the friction reducing sleeve to rotate synchronously, or has a hinge shaft A certain frictional connection allows the rotation of the hinge shaft to drive the asynchronous rotation of the friction reducing sleeve.
  • the sliding sleeve is in frictional contact with the friction reducing sleeve such that rotation of the friction reducing sleeve can drive the sliding sleeve to rotate by friction.
  • the sliding sleeve and the friction reducing plate are in frictional contact such that the rotation of the sliding sleeve can drive the friction reducing plate to rotate by friction.
  • the friction reducing sleeve and/or the friction reducing plate are self-lubricating.
  • the leg of the fork plate has a hollow cylindrical structure with a square cross section, which is in contact with the anti-friction plate through the contact panel of the inner side surface thereof, so that the contact with the anti-friction plate is contact.
  • the end portions of the friction reducing sleeve, the friction reducing plate, and the sliding sleeve are supported by a pallet provided on the base.
  • the front ends of the legs extending from the fork plate are fixedly provided with a connecting plate, so that the fork hinge mechanism inserted between the legs extending from the fork plate cannot be dialed from the fork unit Slide out in the fork plate.
  • a ballast for a medium and low speed maglev track including the above-described fork device is provided.
  • the fork device of the invention can not only ensure that the driven beam rotates along with the active beam when the active beam rotates, but also reduces the frictional resistance during the shifting process, and the active beam drives the driven beam to rotate more smoothly, and the fork hinge mechanism The wear is reduced, and the wear resistance and service life of the fork device are improved.
  • the active beam drives the driven beam to rotate more smoothly. Ensure that the lane change is smooth and smooth;
  • the friction reducing sleeve which reduces the frictional resistance is coaxially arranged inside and outside the sliding sleeve, so that the multi-stage friction loss can be exhibited during the rotating process, and the wear of the fork hinge mechanism is greatly reduced, thereby Improve the wear resistance and service life of the fork unit.
  • FIG. 1 is a schematic structural view of a fork hinge mechanism of a fork device according to an embodiment of the present invention
  • Figure 2 is a plan view of the fork hinge mechanism of Figure 1;
  • Figure 3 is a plan view of the fork unit of the fork device of one embodiment of the present invention.
  • FIG. 4 is a side elevational view showing the assembly structure of the fork hinge mechanism and the fork unit of the fork device according to an embodiment of the present invention.
  • the fork device in this embodiment comprises a fork hinge mechanism and a fork unit, wherein the fork hinge mechanism is fixedly connected with the active beam, the fork unit is fixedly connected with the driven beam 13, and the fork hinge mechanism is disposed on the fork On the unit, the driving of the driving beam and driving will drive the fork hinge mechanism to rotate, thereby driving the fork unit to rotate and driving the driven beam to follow the movement, thereby realizing the shifting of the fork.
  • the fork hinge mechanism of the embodiment includes a protective cover 1, a hinge shaft 2, a sliding sleeve 3, and The friction reducing sleeve 4, the self-lubricating friction reducing plate 5, the pallet 6, the base 7, wherein the hinge shaft 2 is a cylinder, which is vertically disposed on the base 7, that is, one end is fixed on the base 7, preferably the hinge shaft and the base It is an integral arrangement, and the other end surface of the hinge shaft 2 is provided with a protective cover 1.
  • the base 7 is fixedly coupled to the active beam by, for example, a bolt, and the rotation of the active beam about the center of rotation can drive the hinge shaft to rotate together.
  • the hinge shaft 2 is coaxially provided with an anti-friction sleeve 4, a sliding sleeve 3 and an anti-friction panel 5 in the outer and outer portions.
  • the outer circumference of the hinge shaft 2 is coaxially sleeved with the friction reducing sleeve 4
  • the self-lubricating anti-friction sleeve 4 is coaxially sleeved on the outer circumference of the sliding sleeve 3, and the outer sleeve of the sliding sleeve 3 is coaxially sleeved with the friction reducing plate 5.
  • the friction reducing sleeve 4 is fixedly sleeved with the hinge shaft 2 or has a tight frictional connection, so that the rotation of the hinge shaft 2 (around the center of rotation of the active beam) can make the friction reducing sleeve 4 synchronous or relatively sliding. move.
  • the sliding sleeve 3 preferably has a certain frictional coaxial sleeve with the friction reducing sleeve 4, which can make the friction reducing sleeve 4 rotate by relying on the sliding friction between the two to cause the friction reducing sleeve 4 to drive the sliding sleeve 3 around the active beam. Rotation, while there may be rotation about its own axis. In this way, the wear of the sliding sleeve 3 and the friction reducing sleeve 4 can be reduced, and the rotation can be smoother.
  • the self-lubricating anti-friction plate 5 is preferably fixed relative to the sliding sleeve 3 or a relatively slidable coaxial sleeve with a certain frictional force, so that the rotation of the sliding sleeve 3 can drive the self-lubricating anti-friction panel 5 to rotate along with the same. It may be a synchronous rotation or an unsynchronized rotation.
  • the friction reducing sleeve 4 and the friction reducing plate 5 are both self-lubricating, that is, a self-lubricating friction reducing sleeve and a self-lubricating friction reducing plate.
  • the material of the friction reducing sleeve 4 and the friction reducing plate 5 is high force brass.
  • the sliding sleeve 3, the friction reducing sleeve 4 and the friction reducing plate 5 are preferably all provided on the base 7 by the pallet 6, and the base 7 is preferably fixed to the active beam by fixing bolts 8.
  • the fork unit includes a fork plate 10 and a base plate 12, wherein the fork plate 10 is fixed by the base plate 12 at the driven plate On the beam 13.
  • the fork plate 10 has a plate body having a certain thickness as a whole, which protrudes from the end of the driven beam 13, and the front end of the projecting end is open at the center, and two legs are formed on both sides, and the opening portion is used for
  • the hinge shaft 2 of the fork hinge mechanism and the sliding sleeve 3, the friction reducing sleeve 4 and the friction reducing plate 5 fitted thereon pass through, so that the fork plate 10 passes through the two legs 10 and the friction reducing plate 5 of the fork hinge mechanism
  • the contact is connected to the fork plate so that when the friction reducing plate 5 is rotated, the legs of the fork plate 10 and the fork plate 10 can be driven by friction.
  • each leg of the legs of the fork plate 10 has a hollow cylindrical structure with a square cross section, which is in contact with the anti-friction plate through the contact panel of the inner side thereof, so that Contact with the friction reducing plate is in surface contact.
  • the legs are non-hollow or the legs are circular or otherwise shaped.
  • the fork hinge mechanism is inserted between the legs of the fork plate 10, the two legs are connected by a fixed steel plate, and the steel plate is fixed by the stud 11 and the nut 9 to the legs of the fork plate.
  • the front end makes it impossible for the fork hinge mechanism to slide out of the fork plate of the fork unit.
  • the driving device of the switch causes the active beam to rotate with the center of rotation as the center of rotation. Since the fork hinge mechanism is fixed on the active beam, when the active beam rotates, the hinge on the fork hinge mechanism is driven.
  • the hinge shaft 2 drives the sliding sleeve 3 and the friction reducing plate 5 to rotate, and the friction reducing plate drives the supporting leg and the fork plate 10 to rotate, and the fork plate 10 is fixed on the driven beam 13, so that the driven beam 10 It will also rotate with the active beam.
  • the self-lubricating friction reducing sleeve 4 and the self-lubricating friction reducing plate 5 are used in the fork device, so that the frictional resistance is reduced during the shifting process, and the driving of the driven beam 13 by the active beam is smoother, and the fork hinge mechanism is used. Reduced wear and increased service life of the fork unit.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Gear-Shifting Mechanisms (AREA)

Abstract

一种用于磁浮道岔可动梁间的拨叉装置，包括拨叉铰机构以及拨叉单元，其中，拨叉铰机构包括底座（7）以及设置在底座（7）上的铰轴（2），铰轴（2）上由内之外依次同轴套装有滑套（3）以及减摩板（5），铰轴（2）的转动可带动滑套（3）以及减摩板（5）转动；拨叉单元包括拨叉板（10），其伸出端中部开口而形成具有两支腿的U型；拨叉铰机构上的铰轴（2）及滑套（3）和减摩板（5）用于穿过拨叉板（10）的开口，以此方式在主动梁转动带动减摩板（5）转动时，通过摩擦力可以驱动拨叉板（10）随动，从而实现对从动梁的随动转动。该拨叉装置不仅能够确保主动梁转动时从动梁跟随主动梁一起转动，而且使得拨叉过程中摩擦阻力减小，主动梁带动从动梁的转动更为顺畅，拨叉铰机构的磨耗减小，提高了拨叉装置的耐磨性能和使用寿命。

Description

用于关节型磁浮道岔可动梁间的拨叉装置 [技术领域]
本发明属于中低速磁浮轨道道岔技术领域，具体涉及一种用于关节型磁浮道岔可动梁间的拨叉装置。
[背景技术]
道岔是轨道交通中用于使机车车辆从一股道转入另一股道的线路连接设备，通常在车站咽喉区或两条线路的交汇处铺设。中低速磁浮轨道交通的道岔通常包括有道岔梁、垛梁、台车、梁上导轨、驱动装置、锁定装置、活动端导轨、电气控制系统，在列车需要变道时，通过电气系统的控制，锁定装置解锁，道岔梁在驱动装置的作用下，由一个股道移动到另一个股道，活动端轨道与垛梁上的轨道平齐对接以后，锁定装置进行锁定，完成道岔的转换工作。
中低速磁浮轨道道岔通常采用关节型磁浮道岔。这种关节型磁浮道岔一般有一个主动梁和多个从动梁，主动梁与从动梁之间或者从动梁与从动梁之间的拨叉装置，是关节型磁浮道岔的从动梁能够进行转动的重要组成部分。当磁浮列车需要变道时，道岔的驱动装置会使主动梁以转动中心为圆心进行转动，道岔主动梁通过拨叉装置，带动道岔从动梁一起进行转动，从而实现道岔方向的转换。
现有的道岔拨叉装置其一方面结构复杂，制造加工难度大，另一方面是其结构显著使得在拨叉过程中摩擦阻力大，不仅使得机构磨损较大，更为严重的是其在使得从动梁随主动梁转动中速率慢，而且转动不够顺畅，导致效率过低而且可能会对轨道平顺产生影响。
发明内容
针对现有技术的以上缺陷或改进需求，本发明提供一种用于磁浮道岔可动梁 间的拨叉装置，其通过优化的结构改进以及相应的减摩元件的设置，不仅能够确保主动梁转动时从动梁跟随主动梁一起转动，而且使得拨叉过程中摩擦阻力减小，主动梁带动从动梁的转动更为顺畅，拨叉铰机构的磨耗减小，提高了拨叉装置的使用寿命。
为实现上述目的，按照本发明的一个方面，提供一种用于磁浮道岔可动梁间的拨叉装置，其用于在道岔主动梁转动过程中带动道岔从动梁随同转动，其特征在于，该拨叉装置包括用于与主动梁固定连接的拨叉铰机构以及用于与从动梁连接的拨叉单元，其中，
所述拨叉铰机构包括用于与主动梁固定连接的底座以及垂直固定设置在底座上的铰轴，该铰轴可随主动梁转动而转动，所述铰轴上由内之外依次同轴套装有滑套以及减摩板，所述铰轴的转动可带动所述滑套以及减摩板转动；
所述拨叉单元包括固定在从动梁上的拨叉板，其从从动梁端部伸出且伸出端中部开口而形成具有两支腿的U型；
所述拨叉铰机构上的铰轴及其上套接的滑套和减摩板用于穿过该拨叉板的上述开口，使得减摩板外壁与支腿接触，以此方式在主动梁转动带动减摩板转动时，通过摩擦力可以驱动拨叉板随动，从而实现对从动梁的随动转动。
作为本发明的进一步优选，所述铰轴与滑套之间还套装有减摩套，其与所述铰轴固定连接使得铰轴的转动可驱动减摩套同步转动，或者与铰轴为具有一定摩擦力的连接，使得铰轴的转动可驱动减摩套非同步的转动。
作为本发明的进一步优选，所述滑套与减摩套摩擦接触，使得所述减摩套的转动可通过摩擦力驱动所述滑套转动。
作为本发明的进一步优选，所述滑套与减摩板为摩擦接触，使得所述滑套的转动可通过摩擦力驱动减摩板转动。
作为本发明的进一步优选，所述减摩套和/或减摩板为自润滑。
作为本发明的进一步优选，所述拨叉板的支腿呈中空的截面为方形的柱体结构，其与减摩板通过其内侧面的接触面板接触，使得其与减摩板的接触为面接触。
作为本发明的进一步优选，所述减摩套、减摩板以及滑套的端部通过设置在底座上的托板支撑。
作为本发明的进一步优选，所述拨叉板伸出的两腿前端固定设置有连接板，其可使得插在拨叉板伸出的两腿中间的拨叉铰机构不能从拨叉单元的拨叉板中滑出。
按照本发明另一方面，提供一种包括上述拨叉装置的用于中低速磁浮轨道的道岔。
本发明的拨叉装置，不仅能够确保主动梁转动时从动梁跟随主动梁一起转动，而且使得拨叉过程中摩擦阻力减小，主动梁带动从动梁的转动更为顺畅，拨叉铰机构的磨耗减小，提高了拨叉装置的耐磨性能和使用寿命。
总体而言，通过本发明所构思的以上技术方案与现有技术相比，具有以下有益效果：
(1)本发明的拨叉装置中，通过设置可相对转动的铰轴、拨叉板，以及位于两者间的可相对滑动的滑套，使得主动梁带动从动梁的转动更为顺畅，保证换道顺畅平稳；
(2)本发明的拨叉装置中，在滑套内外分别同轴套装减少摩擦阻力的减摩套，使得转动过程中能够呈现多级摩擦减损，拨叉铰机构的磨耗大为减小，从而提高了拨叉装置的耐磨性能和使用寿命。
[附图说明]
图1是本发明一个实施例的拨叉装置的拨叉铰机构的结构示意图；
图2是图1的拨叉铰机构的俯视图；
图3是本发明一个实施例的拨叉装置的拨叉单元的俯视图；
图4是本发明一个实施例的拨叉装置的拨叉铰机构与拨叉单元组装结构的侧面示意图。
在所有附图中，相同的附图标记用来表示相同的元件或结构，其中：
1-防护盖；            8-固定螺栓；
2-铰轴；              9-螺母；
3-滑套；              10-拨叉板；
4-自润滑减摩套；      11-螺柱；
5-自润滑减摩板；      12-底座板；
6-托板；              13-从动梁。
7-底座；
[具体实施方式]
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。此外，下面所描述的本发明各个实施方式中所涉及到的技术特征只要彼此之间未构成冲突就可以相互组合。
图1-4为按照本发明一个优选实施例的拨叉装置的结构示意图。本实施例中的拨叉装置包括拨叉铰机构和拨叉单元两部分，其中拨叉铰机构与主动梁固定连接，拨叉单元与从动梁13固定连接，拨叉铰机构设置在拨叉单元上，主动梁被驱动而转动会驱动拨叉铰机构转动，从而带动拨叉单元转动进而驱动从动梁随动，实现拨叉换道。
如图1和2所示，本实施例的拨叉铰机构包括防护盖1、铰轴2、滑套3、自 润滑减摩套4、自润滑减摩板5、托板6、底座7，其中，铰轴2为柱体，其垂直设置在底座7上，即一端固定在底座7上，优选铰轴与底座是一体设置，铰轴2另一端面设置有防护盖1。底座7通过例如螺栓与主动梁固定连接，主动梁绕转动中心的转动可以驱动铰轴一起转动。
如图1所示，铰轴2上同轴由内之外依次套装有减摩套4、滑套3以及减摩板5，具体地，铰轴2外周同轴套接有减摩套4，自润滑减摩套4外周同轴套接滑套3，滑套3外周同轴套接减摩板5。
其中，优选减摩套4与铰轴2固定套接或者呈较大摩擦阻力的紧密连接，使得铰轴2的转动(绕主动梁转动中心)可以使得减摩套4同步或者呈相对滑动地随动。
滑套3优选与减摩套4呈具有一定摩擦力的同轴套接，其可以使得减摩套4转动是即依靠两者之间的滑动摩擦使减摩套4带动滑套3绕主动梁转动，同时可能存在绕自身轴向的转动。这种方式可以使得滑套3与减摩套4的磨损减小，而且转动更为顺畅。
相应地，自润滑减摩板5优选与滑套3呈相对固定或者呈具有一定摩擦力的可相对滑动的同轴套接，使得滑套3的转动可以带动自润滑减摩板5随同转动，可能是同步转动，或者是不同步的转动。
在一个实施例中，优选减摩套4与减摩板5均为自润滑的，即自润滑减摩套和自润滑减摩板。
在一个实施例中，优选减摩套4与减摩板5的材料为高力黄铜。
滑套3、减摩套4和减摩板5优选均由托板6设置在底座7上，而底座7优选由固定螺栓8固定在主动梁上。
拨叉单元包括拨叉板10和底座板12，其中拨叉板10由底座板12固定在从动 梁13上。如图3和4所示，拨叉板10整体呈一定厚度的板体，其从从动梁13端部伸出，且伸出端前端中部开口，两边形成两支腿，该开口部用于拨叉铰机构的铰轴2以及套装在其上的滑套3、减摩套4和减摩板5穿过，使得拨叉板10通过其两腿10与拨叉铰机构的减摩板5接触而与拨叉板连接，这样当减摩板5转动时，通过摩擦力可以驱动拨叉板10的两腿以及拨叉板10随动。
如图4所示，在一个实施例中，拨叉板10的两腿的每支腿呈中空的截面为方形的柱体结构，其与减摩板通过其内侧面的接触面板接触，使得其与减摩板的接触为面接触。
在一个实施例中，支腿为非中空，或者支腿截面为圆形或其他形状。
在一个实施例中，拨叉铰机构插在拨叉板10伸出的两腿中间后，通过固定钢板连接两支腿，并将钢板由螺柱11和螺母9固定在拨叉板两腿的前端，使得拨叉铰机构不能从拨叉单元的拨叉板中滑出。
当磁浮列车需要变道时，道岔的驱动装置会使主动梁以转动中心为圆心进行转动，由于拨叉铰机构固定在主动梁上，因此主动梁转动时，会带动拨叉铰机构上的铰轴2转动，铰轴2带动滑套3以及减摩板5转动，进而减摩板带动支腿以及拨叉板10转动，拨叉板10固定在从动梁13上的，因此从动梁10也会随主动梁一起转动。
拨叉装置中使用了自润滑减摩套4和自润滑减摩板5，使得在拨叉过程中由于摩擦阻力减小，主动梁带动从动梁13的转动更为顺畅，拨叉铰机构的磨耗减小，提高了拨叉装置的使用寿命。
本领域的技术人员容易理解，以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (9)

  1. 一种用于磁浮道岔可动梁间的拨叉装置，其用于在道岔主动梁转动过程中带动道岔从动梁随同转动，其特征在于，该拨叉装置包括用于与主动梁固定连接的拨叉铰机构以及用于与从动梁连接的拨叉单元，其中，
    所述拨叉铰机构包括用于与主动梁固定连接的底座(7)以及垂直固定设置在底座(7)上的铰轴(2)，该铰轴(2)可随主动梁转动而转动，所述铰轴(2)上由内之外依次同轴套装有滑套(3)以及减摩板(5)，所述铰轴(2)的转动可带动所述滑套(3)以及减摩板(5)转动；
    所述拨叉单元包括固定在从动梁(13)上的拨叉板(10)，其从从动梁(13)端部伸出且伸出端中部开口而形成具有两支腿的U型；
    所述拨叉铰机构上的铰轴(2)及其上套接的滑套(3)和减摩板(5)可穿过该拨叉板(10)的上述开口，使得减摩板(5)外壁与支腿接触，以此方式在主动梁转动带动减摩板(5)转动时，通过摩擦力可以驱动拨叉板(10)随动，从而实现对从动梁的随动转动。
  2. 根据权利要求1所述的一种用于磁浮道岔可动梁间的拨叉装置，其中，所述铰轴(2)与滑套(3)之间还套装有减摩套(4)，其与所述铰轴(2)固定连接使得铰轴(2)的转动可驱动减摩套(4)同步转动，或者与铰轴(2)为具有一定摩擦力的连接，使得铰轴(2)的转动可驱动减摩套(4)非同步的转动。
  3. 根据权利要求2所述的一种用于磁浮道岔可动梁间的拨叉装置，其中，所述滑套(3)与减摩套(4)摩擦接触，使得所述减摩套(4)的转动可通过摩擦力驱动所述滑套(3)转动。
  4. 根据权利要求1-3中任一项所述的一种用于磁浮道岔可动梁间的拨叉装置，其中，所述滑套(3)与减摩板(5)为摩擦接触，使得所述滑套(3)的转动可通 过摩擦力驱动减摩板(5)转动。
  5. 根据权利要求2-4中任一项所述的一种用于磁浮道岔可动梁间的拨叉装置，其中，所述减摩套(4)和/或减摩板(5)为自润滑。
  6. 根据权利要求1-5中任一项所述的一种用于磁浮道岔可动梁间的拨叉装置，其中，所述减摩套(4)、减摩板(5)以及滑套(3)的端部通过设置在底座(7)上的托板(6)支撑。
  7. 根据权利要求1-6中任一项所述的一种用于磁浮道岔可动梁间的拨叉装置，其中，所述拨叉板(10)的支腿呈中空的截面为方形的柱体结构，其与减摩板(5)通过其内侧面的接触面板接触，使得其与减摩板(5)的接触为面接触。
  8. 根据权利要求1-6中任一项所述的一种用于磁浮道岔可动梁间的拨叉装置，其中，所述拨叉板(10)伸出的两腿前端固定设置有连接板，其可使得插在拨叉板(10)伸出的两腿中间的拨叉铰机构不能从拨叉单元的拨叉板中滑出。
  9. 一种用于中低速磁浮轨道的道岔，其具有多节可相对运动的梁，各梁之间的随动转动通过权利要求1-8中任一项所述的拨叉装置实现。
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