WO2014094561A1 - 轨道车辆转向架 - Google Patents

轨道车辆转向架 Download PDF

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Publication number
WO2014094561A1
WO2014094561A1 PCT/CN2013/089071 CN2013089071W WO2014094561A1 WO 2014094561 A1 WO2014094561 A1 WO 2014094561A1 CN 2013089071 W CN2013089071 W CN 2013089071W WO 2014094561 A1 WO2014094561 A1 WO 2014094561A1
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WO
WIPO (PCT)
Prior art keywords
rail vehicle
mounting
rail
vehicle bogie
slider
Prior art date
Application number
PCT/CN2013/089071
Other languages
English (en)
French (fr)
Inventor
张隶新
陈彦宏
张晓军
Original Assignee
唐山轨道客车有限责任公司
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
Application filed by 唐山轨道客车有限责任公司 filed Critical 唐山轨道客车有限责任公司
Priority to PL13866348T priority Critical patent/PL2876018T3/pl
Priority to EP13866348.9A priority patent/EP2876018B1/en
Priority to LTEP13866348.9T priority patent/LT2876018T/lt
Publication of WO2014094561A1 publication Critical patent/WO2014094561A1/zh
Priority to US14/553,993 priority patent/US9630507B2/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
    • B60L5/38—Current collectors for power supply lines of electrically-propelled vehicles for collecting current from conductor rails
    • B60L5/39—Current collectors for power supply lines of electrically-propelled vehicles for collecting current from conductor rails from third rail
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/50—Other details
    • B61F5/52—Bogie frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/26—Rail vehicles

Definitions

  • the present invention relates to rail vehicle manufacturing technology, and more particularly to a rail vehicle bogie. Background technique
  • Electric-powered rail vehicles in addition to being powered by a bow-and-wire system, often employ a method of picking up an e-cable from a third rail (also known as a rigid power rail) by a current-receiving device mounted on a traction unit or trailer unit.
  • a third rail also known as a rigid power rail
  • the rail vehicle bogie In the power receiving mode in which the current collector picks up current from the third rail, the rail vehicle bogie needs to be installed with a current receiver; wherein the current receiver includes a flow receiving mechanism and a fuse that protects the train equipment, wherein
  • the shoe mechanism includes a mount for fixed mounting with the train bogie, a slider for contacting the third rail, and a shoe for connecting the slider to the connecting shaft on the mount; when the train is running, The slider slides along the third rail, transferring current from the third rail to the various electrical devices on the train.
  • 1 is a schematic structural view of a bogie of a rail vehicle in the prior art; as shown in FIG.
  • the bogie includes: two wheel sets 51 disposed at a front and a rear, respectively fixed to the axle boxes at both ends of the center shaft of each wheel set 51, And a frame 50 spanning on the same side of the front and rear axle boxes, and an elastic suspension device is disposed between the axle box and the frame 50;
  • the flow receiver is fixedly mounted on the bogie On the side frame 50, due to the elastic cushioning action of the elastic suspension device, the frame is displaced relatively in all directions with respect to the track, so that the displacement of the flow receiver mounted on the frame relative to the third rail is also very large in all directions. Large, the impactor and vibration of the receiver are large, and when the rail is established, the quality requirements are higher and the cost is larger.
  • the invention provides a rail vehicle bogie, comprising: two sets of wheel sets arranged front and rear, respectively, an axle box fixedly disposed at two ends of the center shaft of the wheel set, and two places disposed on the same side
  • the frame on the axle box further includes a flow receiving plate, and the two ends of the flow receiving plate are respectively fixedly connected to the two axle boxes on the same side, and the receiver mounting plate is fixedly mounted. There are receivers.
  • the rail vehicle bogie provided by the invention is fixedly connected to the axle box by the flow receiver, so that the flow receiver and the axle box have the same motion state during the operation of the rail vehicle, because the axle box is in various directions with respect to the track
  • the displacement on the upper part is much smaller than that of the frame after being enlarged by the elastic suspension device. Therefore, the displacement of the flow receiver relative to the third rail in various directions during operation is greatly reduced, and the vibration and impact received by the flow receiver are reduced, which will be reduced.
  • FIG. 1 is a schematic structural view of a bogie of a rail vehicle in the prior art
  • FIG. 2 is a schematic structural view of a bogie of a rail vehicle of the present invention.
  • Figure 3 is a perspective view of the receiver mounting plate and the receiver portion of Figure 2;
  • Figure 4 is a plan view of Figure 3;
  • Figure 5 is a view taken along the line A-A in Figure 4.
  • Figure 6 is a perspective view of the flow acceptor of Figure 3.
  • Figure 7 is a side view of Figure 6;
  • Figure 8 is a B-B direction view of Figure 7;
  • FIG. 9 is a cross-sectional view of Figure 7.
  • 2 is a schematic structural view of a bogie of a rail vehicle of the present invention
  • FIG. 3 is a perspective view of a portion of the receiver mounting plate and the receiver of FIG. 2
  • FIG. 4 is a plan view of FIG. 3
  • the embodiment provides a rail vehicle bogie, comprising: two sets of wheel sets 51 disposed at the front and the rear, and an axle box 52 fixedly disposed at two ends of the center shaft of the wheel set 51, respectively.
  • the frame 50 disposed on the two axle boxes 52 on the same side, further comprising a receiver mounting plate 53.
  • the two ends of the receiver mounting plate 53 are fixedly connected to the two axle boxes 52 on the same side, respectively.
  • a current collector is fixedly mounted on the mounting plate 53.
  • the flow acceptor may be mounted on the outward side of the flow receiving plate 53.
  • the flow receiving plate 53 may include: an elongated insulating plate 531, and fixedly disposed at both ends of the insulating plate 531
  • the connecting seat 532 is fixedly disposed on the connecting base 532 with at least one fastener 7 for fixed connection to the axle box.
  • the connecting seat 532 can have a horizontal top surface, and the fastener 7 can be vertically fixedly disposed on the top surface to fasten the connecting seat 532 to the bottom surface of the corresponding axle box 52.
  • the fasteners 7 may be four, respectively corresponding to the four apex angles of the bottom surface of the axle box 52.
  • the rail vehicle bogie provided by the embodiment is fixedly connected to the axle box by the flow receiver, so that the flow receiver and the axle box have the same motion state during the operation of the rail vehicle, because the axle box is opposite to the track
  • the displacement in the direction is much smaller than that of the frame that is enlarged by the elastic suspension device. Therefore, the displacement of the current collector in all directions relative to the third rail during operation is greatly reduced, and the vibration and shock received by the current collector are reduced.
  • a connecting elastic block 533 is fixedly disposed on both end faces of the insulating plate 531, and a connecting pin 8 is fixedly disposed in the connecting elastic block 533, and a tail end of the connecting pin 8 is extended to connect the elastic block 533;
  • the connecting seat 532 is provided with a pin hole 81 facing the surface of the connecting elastic block 533, and the connecting pin 8 is bored in the corresponding pin hole 81 to adjust the entire current receiving device by the axial movement of the connecting pin 8 in the pin hole 81.
  • the length of the mounting plate 53 is adapted to the change in the distance between the two wheel sets of the bogie when the rail vehicle passes the curve to ensure that the bogie has a good curve passing capability.
  • an elastic buffer layer 82 is also disposed between the pin hole 81 and the connecting pin 8 to better cushion the track impact and the effect on the flow receiver.
  • FIG 6 is a perspective view of the flow acceptor of Figure 3;
  • Figure 7 is a side view of Figure 6;
  • Figure 8 is a cross-sectional view of Figure 7; see Figure 6-8, in the above embodiment, the flow acceptor can
  • the utility model comprises: a fuse, a first mount 1 for mounting a fuse, a second mount 2 and a slider 3 for contacting the third rail;
  • the second mount 2 is provided with a connecting shaft 20;
  • At least one of the sliding shoes 23 is fixedly disposed on one side of the sliding body 23, and the end of the sliding shoe 23 is sleeved on the connecting shaft 20 and rotatable around the connecting shaft 23, and the connecting shaft 23 is further provided with a slider 3 for The top surface is pressed against the elastic member 21 on the third rail; and the working wire 4 is also connected between the sliding shoe 23 and the fuse.
  • the first mounting seat 1 may be bent from a steel plate, and a mounting box 9 for mounting a fuse may be fixedly disposed on the first mounting seat 1, and the mounting box 9 is made of an insulating material.
  • the second mounting base 2 is fixedly mounted on the flow receiving device mounting plate 53, for example, may be bolted to the outward side of the insulating plate 531 of the flow receiving device mounting plate 53, wherein the insulating plate 531 may be made of rubber or the like. Insulating material to ensure the insulation properties of the insulating plate 531.
  • the first The two mounting bases 2 can be a flat structure, and the connecting shafts 20 can be disposed on the opposite side walls of the second mounting base 2 and can be relatively fixedly supported on the corresponding side walls; the second mounting base 2 An opening may be provided at the bottom to expose the middle of the connecting shaft 20; on the same side of the slider 3, two cantilevered shoes 23 may be fixed, and the two cantilevered shoes 23 may be curved, and the ends of the sliding shoes 23 A cylindrical connecting portion can be formed so as to be relatively rotatable over the connecting shaft 20 by the connecting portion.
  • the elastic member 21 may be a torsion spring sleeved on the connecting shaft 20, the torsion spring having two first connecting ends 211 and a second connecting end respectively extending, the first connecting end 211 and the sliding shoe 23
  • the second connecting end 212 is fixed to the second mounting base 2, wherein the second connecting end 212 can be locked in the second mounting seat 2 to urge the sliding shoe 23 around the connecting shaft 20 under the action of the torsion spring Rotating in the direction of the second mount 2, and further, when the slider 3 is inserted into the recess against the side of the third rail, the top of the slider 3 can be acted upon by the elastic restoring force of the torsion spring The face is pressed against the working face 501 on the third rail.
  • the working wire 4 can connect the end of the shoe 23 to the fuse terminal of the first mount 1, and the other output terminal of the fuse can be connected to the body current receiving device through the wire.
  • the sliding shoe 23 can be rotated about the connecting shaft 20 to extend the slider 3 into the groove on the side of the third rail and pressed against the working surface 501; thus, the rail vehicle is operated.
  • the current flows from the third rail to the slider 3, through the shoe 23, the working wire 4 and the fuse, and then transmitted to the vehicle body.
  • the current receiving device provides electrical energy to the vehicle.
  • the current receiving device in the bogie of the rail vehicle provided by the embodiment can reliably provide power supply for the rail vehicle, and the slider is connected with the mounting seat through at least two cantilever shoes, and the connection strength is high, and the The impact is caused by the impact of the rail head or the end point of the third rail, which greatly improves the work reliability and reduces the maintenance cost of the current collector.
  • the slider 3 may be an elongated flat plate, and the extending direction of the slider 3 may be the same as that of the third rail; the top surface of the elongated flat plate is provided by the plane 301 of the middle portion and the sides for smoothing the slider 3
  • the transition slope 302 is introduced into the third rail; that is, the top surface of the slider 3 may be a curved surface with a middle height and a decreasing side, wherein the transition slope 302 forms an acute angle with the plane 301 in the middle of the elongated flat plate. Values can range from 0 to 30. Between to ensure that the transition ramp 302 has sufficient delay The elongation prevents the slider 3 from entering the third rail due to the fluctuation of the height of the third rail in the height, causing an impact on the current collector.
  • a stopper rod 231 is fixedly disposed at the end of the sliding shoe 23.
  • the second mounting base 2 is screwed with an adjusting bolt 22, and the end of the adjusting bolt 22 is abutted at the stop. 231, and can push the stop 231 to drive the sliding shoe 23 to rotate about the connecting shaft 20, thereby adjusting the angle of the sliding shoe 23 relative to the second mounting seat 2 to meet the needs of different lines.
  • the bolt mounting portion of the second mounting seat 2 is an oblong hole, and the end surface is provided with a height adjusting tooth 201, and the working height of the sliding shoes 23 of the two cantilever arms is adjusted by the cooperation with the teeth on the height adjusting tooth plate 26. To compensate for the amount of wear after running the wheel.
  • At least two mounting through holes may be defined in the second mounting base 2, and the two mounting through holes may be respectively located on opposite sidewalls of the second mounting base 2,
  • the two ends of the connecting shaft 20 are respectively disposed in the two mounting through holes; the first elastic sleeve 24 is fixedly sleeved on the connecting shaft 20 and between the connecting shaft 20 and the corresponding mounting through hole.
  • the first elastic sleeve 24 may include a metal inner ring fixedly disposed on the side of the connecting shaft 20 and a rubber outer ring sleeved on the outer side of the metal inner ring, and the first elastic sleeve 24 is disposed to be buffered by the slider 3
  • the impact force of the sliding shoe 23 in the vertical and lateral directions increases the load carrying capacity of the entire flow receiver and prolongs the service life.
  • a second elastic sleeve 25 for buffering an axial impact is disposed on the connecting shaft 20 and between the first elastic sleeve 24 and the adjacent sliding shoe 23, wherein the second elastic sleeve 25 can be A rubber boot to cushion the longitudinal impact of the shoe 23 as it moves along the third rail.
  • the longitudinal direction refers to the direction in which the third rail extends, that is, the running direction of the rail vehicle
  • the lateral direction refers to the direction in the horizontal plane and perpendicular to the longitudinal direction.
  • the sliding shoe 23 can also form a necking section having a smaller cross-sectional area than the other positions near the slider 3, so that the shoe can be broken at the necking when the shoe 23 is subjected to an excessive impact in an unexpected situation.
  • a necking section having a smaller cross-sectional area than the other positions near the slider 3, so that the shoe can be broken at the necking when the shoe 23 is subjected to an excessive impact in an unexpected situation.

Abstract

一种轨道车辆转向架，包括：前、后设置的两组轮对（51）、分别固定设置在所述轮对的中心转轴两端的轴箱（52），以及设置在同侧的两个所述轴箱上的构架（50），还包括受流器安装板（53），所述受流器安装板的两端分别固定连接在同侧的两个所述轴箱上，所述受流器安装板上固定安装有受流器。本发明提供的轨道车辆转向架，其受流器固定连接在轴箱上，使受流器与轴箱具有相同的运动状态，有效减少了运行过程中受流器相对于第三轨在各个方向上的位移，减少了受流器受到的振动和冲击。

Description

轨道车辆转向架 技术领域 发明涉及轨道车辆制造技术， 尤其涉及一种轨道车辆转向架。 背景技术
电力驱动的轨道车辆除采用弓网方式受电外， 还经常运用的还有通过 安装在牵引单元或拖车单元上的受流器从第三轨（又称刚性供电轨）拾取 电巟的方式。 在采用受流器从第三轨拾取电流的受电方式时， 轨道车辆转向架需要 安装受流器； 其中， 受流器包括受流靴机构和对列车设备起保护作用的熔 断器， 其中受流靴机构包括用于与列车转向架固定安装的安装座、 用于与 第三轨相接触的滑块， 以及将滑块连接到安装座上的连接轴上的滑靴； 在 列车运行时， 滑块沿第三轨滑动， 将电流由第三轨传递到列车上各用电设 备。 图 1为现有技术中轨道车辆转向架的结构示意图； 如图 1所示， 转向 架包括： 前后设置的两轮对 51 , 分别固定设置在每个轮对 51的中心转轴 两端的轴箱， 以及跨设在同侧的、 前后两个轴箱上的构架 50 , 且在轴箱与 构架 50之间设置有弹性悬挂装置； 在现有技术中， 受流器是固定安装在 转向架的一侧构架 50上的， 由于弹性悬挂装置的弹性緩冲作用， 构架相 对于轨道在各方向上位移较大， 致使安装在构架上的受流器相对于第三轨 在各方向上的位移也很大， 受流器受到的冲击和振动较大， 进而在建立钢 轨时， 质量要求较高， 成本较大。 发明内容 针对现有技术中的上述缺陷， 本发明提供一种轨道车辆转向架， 在保 证受流器正常工作的同时， 减少受流器相对于第三轨在各个方向上的位 移。
本发明提供一种轨道车辆转向架， 包括： 前、 后设置的两组轮对、 分 别固定设置在所述轮对的中心转轴两端的轴箱， 以及设置在同侧的两个所 述轴箱上的构架， 还包括受流器安装板， 所述受流器安装板的两端分别固 定连接在同侧的两个所述轴箱上， 所述受流器安装板上固定安装有受流 器。
本发明提供的轨道车辆转向架， 通过将受流器固定连接在轴箱上， 使 得在轨道车辆运行过程中， 受流器与轴箱具有相同的运动状态， 由于轴箱 相对于轨道在各个方向上的位移大大小于经弹性悬挂装置放大后的构架， 因此， 大大减少了运行过程中受流器相对于第三轨在各个方向上的位移， 减少了受流器受到的振动和冲击， 将降低了建立钢轨所需的成本。 附图说明
图 1为现有技术中轨道车辆转向架的结构示意图；
图 2为本发明轨道车辆转向架的结构示意图；
图 3为图 2中受流器安装板及受流器部分的立体图；
图 4为图 3的俯视图；
图 5为图 4中 A-A向视图；
图 6为图 3中受流器的立体图；
图 7为图 6的侧视图；
图 8为图 7中 B-B向视图；
图 9为图 7的剖视图。 具体实施方式 图 2为本发明轨道车辆转向架的结构示意图； 图 3为图 2中受流器安 装板及受流器部分的立体图； 图 4为图 3的俯视图； 图 5为图 4中 A-A向 视图； 请参照图 2-5 , 本实施例提供一种轨道车辆转向架， 包括： 前、 后 设置的两组轮对 51、 分别固定设置在轮对 51的中心转轴两端的轴箱 52 , 以及设置在同侧的两个轴箱 52上的构架 50 , 还包括受流器安装板 53 , 受 流器安装板 53的两端分别固定连接在同侧的两个轴箱 52上， 受流器安装 板 53上固定安装有受流器。
具体地， 受流器可以安装在受流器安装板 53朝外的侧面上， 受流器 安装板 53可以包括： 长形的绝缘板 531 , 以及固定设置在绝缘板 531两端 的连接座 532 , 连接座 532上固定设置有用于固定连接到轴箱上的至少一 个紧固件 7。 其中， 连接座 532可以具有水平的顶面， 紧固件 7可以垂直 固定设置在该顶面上， 以将连接座 532紧固连接在对应的轴箱 52的底面。 优选地， 紧固件 7可以为四个， 分别对应于轴箱 52底面的四个顶角设置。
本实施例提供的轨道车辆转向架， 通过将受流器固定连接在轴箱上， 使得在轨道车辆运行过程中， 受流器与轴箱具有相同的运动状态， 由于轴 箱相对于轨道在各个方向上的位移大大小于经弹性悬挂装置放大后的构 架， 因此， 大大减少了运行过程中受流器相对于第三轨在各个方向上的位 移， 减少了受流器受到的振动和冲击。
在上述实施例中， 在绝缘板 531的两端端面上分别固定设置有连接弹 性块 533 , 连接弹性块 533内固定设置有连接销 8 , 且连接销 8的尾端伸 出连接弹性块 533 ; 连接座 532朝向连接弹性块 533的表面上开设有销孔 81 , 连接销 8穿设于对应的销孔 81中， 以通过连接销 8在销孔 81中的轴 向移动来调节整个受流器安装板 53的长度， 进而在轨道车辆通过曲线时， 适应转向架的两轮对之间距离的变化， 以保证转向架具备良好的曲线通过 能力。
优选地， 销孔 81与连接销 8之间还设置有弹性緩冲层 82 , 以更好地 緩冲轨道冲击和针对对受流器的影响。
图 6为图 3中受流器的立体图； 图 7为图 6的侧视图； 图 8为图 7中 Β-Β向视图； 请参照图 6-8 , 在上述实施例中， 受流器可以包括： 熔断器， 用于安装熔断器的第一安装座 1 , 第二安装座 2以及用于与第三轨接触的 滑块 3 ; 第二安装座 2上穿设有连接轴 20; 滑块 3的一侧固定设置有至少 两个滑靴 23 , 滑靴 23的末端套设在连接轴 20上、 并能绕连接轴 23转动， 且在连接轴 23上还设置有用于将滑块 3的顶面压紧在第三轨上的弹性件 21 ; 滑靴 23与熔断器之间还连接有工作导线 4。
其中， 第一安装座 1可以为由钢板折弯而成， 并可在第一安装座 1上 还可固定设置用于安装熔断器的安装盒 9 , 且安装盒 9由绝缘材料制成。
第二安装座 2固定安装在受流器安装板 53上， 例如， 可以通过螺栓 连接在受流器安装板 53的绝缘板 531朝外的侧面上， 其中， 绝缘板 531 的材质可以为橡胶等绝缘材料， 以保证绝缘板 531的绝缘性能。 其中， 第 二安装座 2可以为平板式结构， 连接轴 20可以穿设于第二安装座 2的两 相对的侧壁上， 并可以相对固定支撑在对应的该侧壁上； 该第二安装座 2 的底部可设置开口， 以将连接轴 20中部露出； 在滑块 3的同一侧面上可 以固定设置两个悬臂的滑靴 23 , 两个悬臂的滑靴 23可呈弯曲状， 且滑靴 23的末端可以形成圓筒状的连接部，以通过该连接部可相对转动地套设到 连接轴 20上。
优选地， 弹性件 21可以为套设在连接轴 20上的扭转弹簧， 该扭转弹 簧具有两个分别伸出的第一连接端 211和第二连接端， 该第一连接端 211 与滑靴 23固定连接， 第二连接端 212固定在第二安装座 2上， 其中， 第 二连接端 212可以卡设在第二安装座 2内， 以在扭转弹簧作用下促使滑靴 23绕连接轴 20朝靠近第二安装座 2的方向转动， 进而， 在将滑块 3伸入 抵靠第三轨侧面的凹槽中时， 便可在该扭转弹簧的弹性恢复力的作用下使 滑块 3的顶面压紧在第三轨上朝下的工作面 501上。
工作导线 4可以可将滑靴 23末端连接至第一安装座 1上的熔断器接 线端子上， 而熔断器的另一输出端子便可通过导线与车体电流接收设备连 接。
在轨道车辆运行前， 可扳动滑靴 23绕连接轴 20转动、 以使滑块 3伸 入到第三轨侧面的凹槽中、 并压紧在工作面 501上； 这样， 在轨道车辆运 行时， 滑块 3便沿第三轨移动、 且始终与第三轨紧密接触， 使得电流由第 三轨流至滑块 3后、 经由滑靴 23、 工作导线 4及熔断器后传输至车体电流 接收设备， 进而为车辆提供电能。
本实施例提供的轨道车辆转向架中的受流器， 可以可靠地为轨道车辆 提供电源保障， 且其滑块通过至少两个悬臂的滑靴与安装座连接， 连接强 度较高， 不会因经过第三轨的轨头或端点时的冲击而导致断裂， 大大提高 了工作可靠性， 也降低了受流器的维护成本。
进一步地， 滑块 3可以为一长形平板， 且滑块 3的延伸方向可以与第 三轨相同； 长形平板的顶面由中部的平面 301和两侧的、 用于供滑块 3顺 利导入到第三轨的中的过渡斜面 302组成； 即， 滑块 3的顶面可以为中间 高、两侧逐渐降低的曲面，其中，过渡斜面 302与长形平板中部的平面 301 形成的锐角的值可以在 0 ~ 30。 之间， 以保证过渡斜面 302具有足够的延 伸长度， 避免因第三轨在高度上的起伏变化而使滑块 3难以进入第三轨、 造成对受流器的冲击。
在上述实施例中， 请参照图 6和图 9, 在滑靴 23的末端固定设置有一 挡杆 231 , 第二安装座 2上螺接有一调节螺栓 22, 调节螺栓 22的末端抵 顶在止挡 231上、 并能推动止挡 231带动滑靴 23绕连接轴 20转动， 从而 调节滑靴 23相对第二安装座 2所张开的角度， 以适应不同线路的需要。 优选地， 第二安装座 2的螺栓安装部位为长圓孔， 端面设有高度调整齿牙 201 , 通过与高度调整齿板 26上齿牙的配合来调整两个悬臂的滑靴 23的 工作高度， 以补偿车轮运行后磨损量。
进一步地， 如图 6、 图 7和图 8所示， 第二安装座 2上可开设至少两 个安装通孔， 两个安装通孔可分别位于第二安装座 2的两相对侧壁上， 连 接轴 20两端分别穿设于两个安装通孔中； 在连接轴 20上、且在连接轴 20 与对应的安装通孔之间固定套设有第一弹性套 24。 优选地， 第一弹性套 24可包括固定套设在连接轴 20侧面上的金属内圈和套设在金属内圈外侧 的橡胶外圈， 第一弹性套 24的设置， 可以緩冲由滑块 3带给滑靴 23的沿 垂向和横向的冲击力， 提高整个受流器的承载能力， 延长使用寿命。
更进一步地， 在连接轴 20上、 且在第一弹性套 24与相邻的滑靴 23 之间套设有用于緩冲轴向冲击的第二弹性套 25 , 其中第二弹性套 25可以 为橡胶套， 以緩冲滑靴 23在沿第三轨移动时受到的纵向冲击。
在这里， 纵向即指第三轨延伸方向， 也就是轨道车辆运行方向， 横向 是指在水平面内、 垂直于纵向的方向。
在上述实施例中， 滑靴 23靠近滑块 3处还可以形成横截面面积小于 其它位置的颈缩段， 以在滑靴 23在意外情况下受到超大冲击时可以在该 颈缩处先发生断裂， 以截断冲击影响， 保护受流器其它部分， 维修时， 仅 重新更换滑靴便可， 与现有技术中整体更换受流器相比， 大大降低了维修 成本。
对其限制； 尽管参照前述各实施例对本发明进行了详细的说明， 本领域的 普通技术人员应当理解： 其依然可以对前述各实施例所记载的技术方案进 行修改， 或者对其中部分或者全部技术特征进行等同替换； 而这些修改或 者替换， 并不使相应技术方案的本质脱离本发明各实施例技术方案的范 围。

Claims

权 利 要 求 书
1、 一种轨道车辆转向架， 包括： 前、 后设置的两组轮对、 分别固定 设置在所述轮对的中心转轴两端的轴箱， 以及设置在同侧的两个所述轴箱 上的构架， 其特征在于， 还包括受流器安装板， 所述受流器安装板的两端 分别固定连接在同侧的两个所述轴箱上， 所述受流器安装板上固定安装有 受流器。
2、 根据权利要求 1所述的轨道车辆转向架， 其特征在于， 所述受流 器安装板包括：长形的绝缘板，以及固定设置在所述绝缘板两端的连接座， 所述连接座上固定设置有用于固定连接到所述轴箱上的至少一个紧固件。
3、 根据权利要求 2所述的轨道车辆转向架， 其特征在于， 在所述绝 缘板的两端端面上分别固定设置有连接弹性块， 所述连接弹性块内固定设 置有连接销， 且所述连接销的尾端伸出所述连接弹性块； 所述连接座朝向 所述连接弹性块的表面上开设有销孔， 所述连接销穿设于对应的所述销孔 中。
4、 根据权利要求 3所述的轨道车辆转向架， 其特征在于， 所述销孔 与所述连接销之间还设置有弹性緩冲层。
5、 根据权利要求 1 -4任一所述的轨道车辆转向架， 其特征在于， 所述 受流器包括： 熔断器， 用于安装熔断器的第一安装座， 第二安装座以及用 于与第三轨接触的滑块； 所述第二安装座上穿设有连接轴； 所述滑块的一 侧固定设置有至少两个滑靴， 所述滑靴的末端套设在所述连接轴上、 并能 绕所述连接轴转动， 且在所述连接轴上还设置有用于将所述滑块的顶面压 紧在所述第三轨上的扭转弹簧； 所述滑靴与所述熔断器之间还连接有工作 导线。
6、 根据权利要求 5所述的轨道车辆转向架， 其特征在于， 所述滑块 为一长形平板， 且所述滑块的延伸方向与所述第三轨相同； 所述长形平板 的顶面由中部的平面和两侧的、 用于供所述滑块顺利导入到所述第三轨的 中的过渡斜面组成。
7、 根据权利要求 6所述的轨道车辆转向架， 其特征在于， 所述第二 安装座固定连接在所述受流器安装板上。
8、 根据权利要求 7所述的轨道车辆转向架， 其特征在于， 所述第一 安装座由钢板折弯而成， 所述第一安装座的顶面上还固定设置有用于安装 熔断器的安装盒， 所述安装盒由绝缘材料制成。
9、 根据权利要求 8所述的轨道车辆转向架， 其特征在于， 在所述滑 靴的末端固定设置有一止挡， 所述第二安装座上安装有一调节螺栓， 所述 调节螺栓的末端抵顶在所述止挡上、 并能推动所述止挡带动所述滑靴绕所 述连接轴转动。
10、 根据权利要求 9所述的轨道车辆转向架， 其特征在于， 所述滑靴 靠近所述滑块处形成横截面面积小于其它位置的颈缩段。
11、 根据权利要求 9所述的轨道车辆转向架， 其特征在于， 所述第二 安装座上开设有至少两个安装通孔， 所述连接轴穿设于所述安装通孔中； 在所述连接轴上、 且在所述连接轴与对应的所述安装通孔之间固定套设有 第一弹性套。
12、 根据权利要求 11 所述的轨道车辆转向架， 其特征在于， 在所述 连接轴上、 且在所述第一弹性套与相邻的所述滑靴之间套设有用于緩冲轴 向冲击的第二弹性套。
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