WO2019019301A1 - 一种低地板面跨座式两轴单轨转向架 - Google Patents

一种低地板面跨座式两轴单轨转向架 Download PDF

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WO2019019301A1
WO2019019301A1 PCT/CN2017/101508 CN2017101508W WO2019019301A1 WO 2019019301 A1 WO2019019301 A1 WO 2019019301A1 CN 2017101508 W CN2017101508 W CN 2017101508W WO 2019019301 A1 WO2019019301 A1 WO 2019019301A1
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Prior art keywords
frame
bogie
traction
axis
vehicle
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PCT/CN2017/101508
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English (en)
French (fr)
Inventor
赵旭东
马晓光
楚永萍
金伟
门永林
祝航
何斌斌
梁小强
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中车南京浦镇车辆有限公司
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Publication of WO2019019301A1 publication Critical patent/WO2019019301A1/zh

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61FRAIL 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
    • B61F3/00Types of bogies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61CLOCOMOTIVES; MOTOR RAILCARS
    • B61C13/00Locomotives or motor railcars characterised by their application to special systems or purposes
    • B61C13/08Locomotives or motor railcars characterised by their application to special systems or purposes for saddle or like balanced type railways
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61CLOCOMOTIVES; MOTOR RAILCARS
    • B61C9/00Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
    • B61C9/38Transmission systems in or for locomotives or motor railcars with electric motor propulsion
    • B61C9/48Transmission 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

Definitions

  • the invention relates to a novel monorail bogie.
  • the monorail vehicle adopting the bogie has the advantages of low floor surface and strong carrying capacity compared with the existing monorail vehicle, and can effectively improve the running stability of the monorail vehicle and make the whole
  • the appearance of the car is more concise and smooth, improving the vehicle limit, and belongs to the technical field of rail vehicle bogies.
  • Monorail transportation is a three-dimensional vehicle, which is not interfered by other vehicles and pedestrians on the ground. It has the advantages of low cost, small floor space, short construction period, strong climbing ability, low noise, good horizon, and adapt to complex terrain and geological requirements. It is suitable for medium and medium-sized cities in medium and small cities and is popular in China and abroad. At present, there are nearly 30 lines running at home and abroad, and there are dozens of lines in the planning, and the market prospect is wide.
  • the straddle monorail technology is mainly in the hands of Japanese and German companies.
  • the main products are Hitachi monorails and Bombardier's low-floor monorails used in Chongqing, China.
  • the Hitachi Monorail is a two-axle structure for medium and large monorail bogies. It is air spring loaded and has strong carrying capacity but high floor surface, which is not conducive to the stability of the vehicle and is not conducive to the streamlined shape of the vehicle.
  • Bombardier uses a single-axis low-floor bogie, which has high stability.
  • the single-axis mode results in low load capacity of the vehicle, and the capacity cannot meet the needs of domestic cities with high population density.
  • the technical problem to be solved by the present invention is to overcome the above-mentioned shortcomings of the prior art and provide a low-floor straddle-type two-axis single-track bogie with large capacity, low floor surface and strong curve passing ability, and meets the domestic monorail The strong demand for the car.
  • the present invention provides a low floor straddle two-axis monorail bogie including a frame, two traction motors and two sets of walking wheels, the frame having a middle beam, two side beams and located
  • the end beams at both ends are characterized in that: the frame is inverted U-shaped on the rail beam as viewed from the running direction of the vehicle, and the two sides of the middle portion of the frame have downwardly extending L-shaped cantilevers, and the cantilever is mounted on the cantilever
  • the two springs are respectively disposed at the front and the rear ends of the frame, and the two sets of the traveling wheels are respectively disposed on the front and rear sides of the middle portion of the frame, and the traction motors respectively drive the traveling wheels of the corresponding side through the gear box, and the two gear boxes are located in the frame.
  • the frame is inverted U-shaped on the rail beam as viewed from the running direction of the vehicle, and the two sides of the middle portion of the frame have downwardly extending L-shaped cantilevers, and the cantile
  • the monorail bogie of the present invention has two gearboxes disposed on the same side of the frame, and the other side of the bogie retains a large space so that the vehicle can be lower at the floor surface there.
  • the low floor straddle two-axis single-track bogie of the invention also has the following features:
  • the front end of the frame is provided with a traction pull rod device, and the traction pull rod device is composed of two traction pull rods, one horizontal pull rod and two curved turns, the traction pull rods are respectively arranged on two sides of the frame end, and the horizontal pull rods are two.
  • the end is connected to the end of the traction rod by a crank, and the traction and braking force are transmitted to the vehicle body through the crank.
  • the motor is placed on the end beam of the frame, and the motor output shaft is coupled to the gear box suspended on one side of the bogie through the coupling, and the output shaft of the gear box is coupled with the axle of the traveling wheel.
  • the crank has a center hole that cooperates with a round pin on the chassis of the vehicle body to transmit traction and braking force.
  • One side of the cantilever is provided with a vertical damper connected to the vehicle body, and a side of the middle portion of the frame is provided with a lateral damper connected to the vehicle body.
  • a guide wheel is disposed below the four corners of the frame, and a stabilizer wheel is disposed below the cantilever, and the stabilizer wheel is used to abut the side of the track beam to improve the stability of the vehicle.
  • One end of the frame is also provided with a lateral stop.
  • the present invention also provides a rail vehicle comprising a vehicle body and the aforementioned bogie, the vehicle body having an upwardly convex bulge at a bogie position, the bulge being biased toward a side of the bogie provided with the gear box, A traction motor, a traveling wheel and a gear box for accommodating the bogie, and a through passage is formed between the bulge and the vehicle body on a side away from the gear box.
  • the floor surface of the through-passage is consistent with the height of the floor surface of the vehicle body outside the bogie.
  • the height of the floor surface of the through passage from the track surface is 450-500 mm.
  • the steering frame of the invention adopts an inverted "U” type design, and the "H” type welded box body is added with an "L” type cantilever structure, which is divided into side beams, beams, end beams and cantilevers, and is arranged through a reasonable size to ensure the floor surface of the vehicle.
  • the main body of the frame adopts a box-shaped structure welded by a plate, and small parts such as component mounts can be cast type.
  • the rubber wheel running device of the bogie of the invention adopts double rim walking tires, and the tires can adopt inflatable, semi-inflatable tires or solid rubber wheels.
  • the specific models and parameters can be selected according to different sizes and load requirements, and the wheel core and the rim are adopted.
  • Cast aluminum or cast iron construction, wireless transmission tire pressure monitoring device installed in the tire; to prevent puncture, safety support or safety auxiliary wheel can be integrated on the wheel core.
  • the traction drive device of the bogie of the present invention is arranged to meet the requirements of low floor surface, the traction motor is arranged on the end beam, and the reduction gear box is arranged on one side of the bogie, so that the floor surface of the vehicle on the other side is lower, forming a through-pass.
  • the low floor straddle type two-axis single-track bogie can be combined with large capacity, high stability and high safety.
  • the shape of the train can be more streamlined and more sleek, which can improve the ornamental of the vehicle and make it a beautiful landscape of the city.
  • the single-track vehicle of the bogie of the invention has strong curve-carrying ability, strong climbing ability, low noise and no occupation of ground land resources, and is very suitable for popularization in cities, and can become another mainstream beside subway, tram, and public transportation. public transport.
  • FIG. 1 is a perspective view of an embodiment of a bogie of the present invention.
  • FIG. 2 is a top plan view of an embodiment of a bogie of the present invention.
  • Figure 3 is a schematic view of the structure of the bogie of the present invention.
  • FIG. 4 is a cross-sectional view of an embodiment of a vehicle of the present invention.
  • the low floor straddle two-axis monorail bogie 2 of the embodiment comprises a frame 3 , two traction motors 6 and two sets of walking wheels 5 , and the frame 3 has a middle portion.
  • the cross member 31, the two side members 32, and the end beams 33 at both ends, the frame 3 is slidably U-shaped on the track beam 1 as seen from the running direction of the vehicle, and the L-shaped cantilever 34 extending downward on both sides of the middle portion of the frame 3
  • the two types of traction motors 8 are mounted on the cantilever 34, and the two traction motors 6 are disposed on the two end beams 33 of the frame 3.
  • the two sets of the traveling wheels 5 are respectively disposed on the front and rear sides of the frame middle beam 31, and the traction motor 6 output shaft
  • the gearbox output shaft is coupled with the wheel axle of the traveling wheel through the coupling of the gearbox, and the gearbox output shaft is coupled with the axle of the traveling wheel, so that the traction motor 6 drives the corresponding side traveling wheel 5, and the two gearboxes 7 are located in the frame 3.
  • One side of the cantilever 34 is provided with a vertical damper 9 connected to the vehicle body, and one side of the middle portion of the frame 3 is provided with a transverse damper 10 connected to the vehicle body; one end beam is also provided with a lateral stop 11 .
  • a guide wheel 13 is disposed below the four corners of the frame 3, and a stabilizing wheel 12 is disposed below the cantilever 34 for stabilizing the side of the track beam to improve the stability of the vehicle.
  • the frame is provided with a bearing seat at the position of the output shaft of the gear box, and the force of the forward movement of the traveling wheel passes through the shaft The seat is transmitted to the bogie.
  • the front end of the frame 3 is provided with a traction rod device 4, which is composed of two traction rods 42, a transverse rod 41 and two bells 43.
  • the traction rods 42 are disposed on both sides of the end of the frame 3, and the ends of the lateral rods 41 are connected to the ends of the traction rods by the cranks 43.
  • the two ends of the bell crank 43 are respectively connected to the traction rod 42 and the lateral rod 41 through a rubber node.
  • the crank 43 has a central hole that cooperates with a round pin on the chassis of the vehicle body to transmit traction and braking force.
  • the rail vehicle of the present embodiment includes a vehicle body 15 and the aforementioned bogie 2.
  • the vehicle body 15 has a convex bulge 17 at the bogie position, and the bulge 17 is biased toward the side of the bogie provided with the gear box 7.
  • the floor surface of the through-passage 16 coincides with the height of the floor surface of the vehicle body outside the bogie.
  • the height of the floor surface of the through-track from the track surface can reach 450-500 mm
  • the width of the through-track can reach 800-850 mm.
  • the width of the thoroughe is sufficient for pedestrians and suitcases to pass
  • the low floor straddle two-axis single-track bogie designed by the embodiment of the invention has an axle weight ranging from 8 to 11 tons and an operating speed of 60-80 km/h.

Abstract

低地板面跨座式两轴单轨转向架(2),包括构架(3)、两个牵引电机(6)和两组行走轮(5),构架(3)具有一根中部横梁(31)、两根侧梁(32)和位于两端的端梁(33),从车辆运行方向看,构架(3)呈倒U形跨座于轨道梁(1),构架(3)中部的两侧具有向下延伸的L型悬臂(34),悬臂(34)上安装二系减振簧(8),两个牵引电机(6)分设于构架(3)的两个端梁(33)上,两组行走轮(5)分设于构架中部横梁(31)的前后两侧。牵引电机(6)分别通过齿轮箱(7)驱动相应侧的行走轮(5)转动,两个齿轮箱(7)位于构架(3)的同侧。所述单轨转向架(2)将两个齿轮箱(7)设置于构架(3)的同一侧,转向架(2)另一侧保留有较大的空间,使车辆在该处地板面可以更低。

Description

一种低地板面跨座式两轴单轨转向架 技术领域
本发明涉及一种新型单轨转向架,采用该转向架的单轨车辆相较于现有单轨车辆,具有地板面低,承载能力强的优点,可以有效提高单轨车辆的行驶的稳定性,并使整车的外观更加简洁圆滑,改善车辆限界,属于轨道车辆转向架技术领域。
背景技术
单轨交通属于立体型交通工具,不受地面其它交通工具和行人干扰,同时具备造价低、占地面积小、施工周期短、爬坡能力强、噪音低、视界好、适应复杂地形地质要求等优点,适合中小城市中等运量需求,在国内国外广受欢迎。目前国内、外已有近三十条线路运行,规划中线路也有数十条之多,市场前景广泛。
目前跨座式单轨车技术主要掌握在日本和德国公司手中,目前主要产品为应用在我国重庆的日立单轨车和庞巴迪的低地板面单轨车。日立单轨车属于中大型单轨车转向架为双轴结构,采用空气弹簧承载,承载能力强但地板面高,不利于车辆的稳定性,也不利于车辆外形的简洁流线化。庞巴迪采用单轴低地板面的转向架,整车的稳定性高,但单轴模式(总轴重28t)导致车辆的承载能力低,运能不能满足人口密度高的国内城市需求。
因此研发出一种具有自主知识产权的低地板面、大运量的单轨转向架,是本领域技术人员亟待解决的技术问题。
发明内容
本发明所要解决的技术问题是,克服现有技术的上述缺点,提供一种低地板面跨座式两轴单轨转向架,其运能大、地板面低、通过曲线能力强,满足国内对单轨车的旺盛需求。
为了解决以上技术问题,本发明提供的低地板面跨座式两轴单轨转向架,包括构架、两个牵引电机和两组行走轮,所述构架具有一根中部横梁、两根侧梁和位于两端的端梁,其特征在于:从车辆运行方向看,所述构架呈倒U形跨座于轨道梁,所述构架中部的两侧具有向下延伸的L型悬臂,悬臂上安装二系减振簧,所述两个牵引电机分设于构架前后两端,两组行走轮分设于构架中部的前后两侧,牵引电机分别通过齿轮箱驱动相应侧的行走轮转动,两个齿轮箱位于构架的同侧。
本发明单轨转向架将两个齿轮箱设置于构架的同一侧,转向架另一侧保留有较大的空间,使车辆在该处地板面可以更低。
本发明低地板面跨座式两轴单轨转向架,还具有以下特征:
1、所述构架前端设有牵引拉杆装置,所述牵引拉杆装置由两根牵引拉杆、一根横向拉杆、两个曲拐构成,所述牵引拉杆分设于构架端部的两侧,横向拉杆两端通过曲拐连接于牵引拉杆的端部,通过所述曲拐向车体传递牵引力和制动力。
2、所述电机横置于构架的端梁上,电机输出轴通过联轴节与悬置于转向架一侧的齿轮箱联接,齿轮箱输出轴与行走轮的轮轴联接。
3、所述曲拐具有中心孔,该中心孔与车体底架上的圆销相配合,传递牵引力和制动力。
4、所述悬臂的一侧设置有与车体相连的垂向减振器,构架中部的一侧设置有与车体相连的横向减振器。
5、所述构架四角的下方设置有导向轮,所述悬臂下方设置有稳定轮,所述稳定轮用于抵住轨道梁的侧面,提高车辆行驶的稳定性。
6、所述构架的一端还设置有横向止挡。
此外,本发明还提供一种轨道车辆,包括车体和前述转向架,所述车体在转向架位置具有上凸的鼓包,所述鼓包偏向于转向架设置有齿轮箱的一侧,用 于容纳转向架的牵引电机、行走轮和齿轮箱,所述鼓包与远离齿轮箱一侧的车体之间形成贯通道。
进一步的,所述贯通道的地板面与转向架以外区域的车体地板面高度一致。
更进一步的,所述贯通道的地板面距离轨道面的高度为450-500mm。
本发明转向架构架采用倒“U”型设计,“H”型焊接箱体加“L”型悬臂结构,分为侧梁、横梁、端梁、悬臂,通过合理尺寸布置,在保证车辆地板面距构架上表面50-100mm时,保证地板面距轨面距离在450-500mm内。构架主体采用板材焊接的箱型结构,零部件安装座等小部件可采用铸件型式。
本发明转向架的橡胶轮走行装置,采用双轮辋走行轮胎,轮胎可采用充气、半充气式轮胎或实心橡胶轮,具体型号、参数可根据不同的尺寸和载荷要求进行选择,轮芯、轮辋采用铸铝或铸铁结构,轮胎内安装无线传输式胎压监测装置;为防止爆胎,可在轮芯上集成安全支撑件或安装安全辅助轮。
本发明转向架的牵引驱动装置布局为满足低地板面要求,牵引电机布置在端梁上,减速齿轮箱布置在转向架一侧,从而使另一侧的车辆地板面较低,形成贯通道。
采用所述的低地板面跨座式两轴单轨转向架,可以兼具大运量、稳定性高、安全性高等特点。同时因为采用低地板面设计,列车外形可以更加流线、更加圆滑,可以提高车辆的观赏性,使之成为城市的一道靓丽的风景线。同时使用本发明转向架的单轨车过曲线能力强、爬坡能力强、噪音低,不占用地面土地资源,十分适合在城市中普及,可以成为地铁、有轨电车、公交之外另一种主流公共交通工具。目前国内已有北京、上海、重庆、柳州、芜湖、吉林、沈阳、顺德、香港等城市实施或规划了跨座式单轨车,未来十年内车辆需求超过2000辆。因此本发明具有可观的应用前景。
附图说明
下面结合附图对本发明作进一步的说明。
图1为本发明转向架实施例的立体图。
图2为本发明转向架实施例的俯视图。
图3为本发明转向架的构架示意图。
图4为本发明车辆实施例的断面图。
图中标号示意如下:
1-轨道梁;2-转向架;3-构架;31-横梁;32-侧梁;33-端梁;34-悬臂;4-牵引拉杆装置;41-横向拉杆;42-牵引拉杆;43-曲拐;5-走行轮;6-牵引电机;7-齿轮箱;8-二系减振簧;9-垂向减振器;10-横向减振器;11-横向止挡;12-稳定轮;13-导向轮;14-弹性联轴节;15-车体;16-贯通道;17-车辆鼓包。
具体实施方式
转向架实施例
如图1、图2、图3所示,本实施例低地板面跨座式两轴单轨转向架2,包括构架3、两个牵引电机6和两组行走轮5,构架3具有一根中部横梁31、两根侧梁32和位于两端的端梁33,从车辆运行方向看,构架3呈倒U形跨座于轨道梁1,构架3中部的两侧具有向下延伸的L型悬臂34,悬臂34上安装二系减振簧8,两个牵引电机6分设于构架3的两个端梁33上,两组行走轮5分设于构架中部横梁31的前后两侧,牵引电机6输出轴通过联轴节与悬置于转向架一侧的齿轮箱联接,齿轮箱输出轴与行走轮的轮轴联接,实现牵引电机6对相应侧行走轮5的驱动,两个齿轮箱7位于构架3的同侧。悬臂34的一侧设置有与车体相连的垂向减振器9,构架3中部的一侧设置有与车体相连的横向减振器10;一侧的端梁还设置有横向止挡11。构架3四角的下方设置有导向轮13,悬臂34下方设置有稳定轮12,稳定轮用于抵住轨道梁的侧面,提高车辆行驶的稳定性。
构架在齿轮箱输出轴的位置设置有轴承座,行走轮向前运动的力通过该轴 承座传递给转向架。
如图所示,构架3前端设有牵引拉杆装置4,牵引拉杆装置4由两根牵引拉杆42、一根横向拉杆41和两个曲拐43构成。牵引拉杆42分设于构架3端部的两侧,横向拉杆41两端通过曲拐43连接于牵引拉杆的端部。曲拐43两端分别与牵引拉杆42和横向拉杆41通过橡胶节点连接。曲拐43具有中心孔,该中心孔与车体底架上的圆销相配合,传递牵引力和制动力。
含有上述转向架的车辆实施例
如图4所示,本实施例轨道车辆,包括车体15和前述转向架2,车体15在转向架位置具有上凸的鼓包17,鼓包17偏向于转向架设置有齿轮箱7的一侧,用于容纳转向架2的牵引电机6、行走轮5和齿轮箱7,鼓包17与远离齿轮箱一侧的车体之间形成贯通道16。贯通道16的地板面与转向架以外区域的车体地板面高度一致。本实施例中,贯通道的地板面距离轨道面的高度可达到450-500mm,贯通道宽度可达到800‐850mm。贯通道的宽度足够行人和行李箱通过
本发明实施例设计的低地板面跨座式两轴单轨转向架,轴重范围为8‐11t,运营时速为60‐80km/h。
除上述实施例外,本发明还可以有其他实施方式。凡采用等同替换或等效变换形成的技术方案,均落在本发明要求的保护范围。

Claims (10)

  1. 一种低地板面跨座式两轴单轨转向架,包括构架、两个牵引电机和两组行走轮,所述构架具有一根中部横梁、两根侧梁和位于两端的端梁,其特征在于:从车辆运行方向看,所述构架呈倒U形跨座于轨道梁,所述构架中部的两侧具有向下延伸的L型悬臂,悬臂上安装二系减振簧,所述两个牵引电机分设于构架前后两端,两组行走轮分设于构架中部的前后两侧,牵引电机分别通过齿轮箱驱动相应侧的行走轮转动,两个齿轮箱位于构架的同侧。
  2. 根据权利要求1所述的低地板面跨座式两轴单轨转向架,其特征在于:所述构架前端设有牵引拉杆装置,所述牵引拉杆装置由两根牵引拉杆、一根横向拉杆、两个曲拐构成,所述牵引拉杆分设于构架端部的两侧,横向拉杆两端通过曲拐连接于牵引拉杆的端部,通过所述曲拐向车体传递牵引力和制动力。
  3. 根据权利要求1所述的低地板面跨座式两轴单轨转向架,其特征在于:所述电机横置于构架的端梁上,电机输出轴通过联轴节与悬置于转向架一侧的齿轮箱联接,齿轮箱输出轴与行走轮的轮轴联接。
  4. 根据权利要求1所述的低地板面跨座式两轴单轨转向架,其特征在于:所述曲拐具有中心孔,该中心孔与车体底架上的圆销相配合,传递牵引力和制动力。
  5. 根据权利要求1所述的低地板面跨座式两轴单轨转向架,其特征在于:所述悬臂的一侧设置有与车体相连的垂向减振器,构架中部的一侧设置有与车体相连的横向减振器。
  6. 根据权利要求1所述的低地板面跨座式两轴单轨转向架,其特征在于:所述构架四角的下方设置有导向轮,所述悬臂下方设置有稳定轮,所述稳定轮用于抵住轨道梁的侧面,提高车辆行驶的稳定性。
  7. 根据权利要求1所述的低地板面跨座式两轴单轨转向架,其特征在于:所述构架的一端还设置有横向止挡。
  8. 一种轨道车辆,包括车体,其特征在于还包括如权利要求1-7任一项所 述的低地板面跨座式两轴单轨转向架,所述车体在转向架位置具有上凸的鼓包,所述鼓包偏向于转向架设置有齿轮箱的一侧,用于容纳转向架的牵引电机、行走轮和齿轮箱,所述鼓包与远离齿轮箱一侧的车体之间形成贯通道。
  9. 根据权利要求8所述的轨道车辆,其特征在于:所述贯通道的地板面与转向架以外区域的车体地板面高度一致。
  10. 根据权利要求9所述的轨道车辆,其特征在于:所述贯通道的地板面距离轨道面的高度为450-500mm。
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