WO2013185510A1 - 带过载保护的前安装吊挂系统 - Google Patents

带过载保护的前安装吊挂系统 Download PDF

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Publication number
WO2013185510A1
WO2013185510A1 PCT/CN2013/075185 CN2013075185W WO2013185510A1 WO 2013185510 A1 WO2013185510 A1 WO 2013185510A1 CN 2013075185 W CN2013075185 W CN 2013075185W WO 2013185510 A1 WO2013185510 A1 WO 2013185510A1
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WO
WIPO (PCT)
Prior art keywords
overload protection
coupler
mounting seat
seat
hole
Prior art date
Application number
PCT/CN2013/075185
Other languages
English (en)
French (fr)
Inventor
陈凯
刘辉
刘继波
Original Assignee
青岛四方车辆研究所有限公司
青岛思锐科技有限公司
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 青岛四方车辆研究所有限公司, 青岛思锐科技有限公司 filed Critical 青岛四方车辆研究所有限公司
Priority to JP2015513000A priority Critical patent/JP5946958B2/ja
Priority to US14/399,505 priority patent/US9919721B2/en
Priority to EP13804691.7A priority patent/EP2862777B1/en
Priority to RU2015100252/11A priority patent/RU2582325C1/ru
Publication of WO2013185510A1 publication Critical patent/WO2013185510A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G9/00—Draw-gear
    • B61G9/04—Draw-gear combined with buffing appliances
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G3/00—Couplings comprising mating parts of similar shape or form which can be coupled without the use of any additional element or elements
    • B61G3/04—Couplings comprising mating parts of similar shape or form which can be coupled without the use of any additional element or elements with coupling head having a guard arm on one side and a knuckle with angularly-disposed nose and tail portions pivoted to the other side thereof, the nose of the knuckle being the coupling part, and means to lock the knuckle in coupling position, e.g. "A.A.R." or "Janney" type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G9/00—Draw-gear
    • B61G9/20—Details; Accessories
    • B61G9/22—Supporting framework, e.g. cradles; Spring housings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G7/00—Details or accessories
    • B61G7/10—Mounting of the couplings on the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G9/00—Draw-gear
    • B61G9/20—Details; Accessories

Definitions

  • This invention relates to the field of railway vehicle hooking devices and, more particularly, to a hooking device for achieving overload protection when subjected to large longitudinal forces.
  • the hooking device is one of the basic components of the railway vehicle, and has the functions of quickly connecting and disassembling the railway vehicle, transmitting the traction of the train, improving the safety of the vehicle, and improving the comfort performance of the vehicle.
  • the hooking device is mainly composed of a hook connecting device, a crushing device, a buffer device, a front mounting hanging device and an overload protection device.
  • the coupler attachment device has the function of connecting and disassembling the train vehicle; the crush device functions to protect the safety of the vehicle body and the passenger in an emergency situation; the buffer device serves as a hooking device to improve the longitudinal impulse performance and improve the safety and comfort of the vehicle.
  • the front mounting and hanging device fixes the coupler on the vehicle body through the mounting seat, ensuring that the hooking device can flexibly rotate within a certain range in the horizontal plane and the vertical plane, and has a vertical in-plane self-supporting function and automatic alignment in a certain range of the horizontal plane.
  • the function of the overload protection device enables the hooking device to be separated from the vehicle when the rail vehicle is subjected to a great longitudinal impact, thereby allowing other energy absorbing devices on the vehicle to function.
  • the damper acts as an important energy absorbing device in the hooking device and is mainly involved in the longitudinal energy absorption during normal operation of the rail vehicle.
  • Many of the existing dampers rely on the compression of internal elastic elements to achieve energy absorption, and the damper itself is coupled to the mount by a rotating shaft to achieve the function of the hooking device to rotate.
  • the mount is then attached to the body by mounting bolts or overload protection to transmit longitudinal loads.
  • the common overload protection device is installed outside the hooking device, and directly connects the hooking device and the vehicle body, and when the device functions, the hooking device is completely separated from the vehicle body.
  • the existing rail vehicle coupler bumper mainly comprises a front mounting suspension system and a buffer system.
  • the first way is to break the connection between the mount and the vehicle body
  • the second way is to set the shear pin in the buffer housing to realize the buffer core by breaking the shear pin.
  • the third way to retreat within the hook is to break the connection between the mount and the coupler bumper.
  • the first method is currently widely used and easy to implement, but this method requires a small size of the mount and the buffer or sufficient space under the vehicle body to allow the entire hooking device to be separated from the vehicle body.
  • the chassis of the vehicle body is limited by the existing structure and strength, and the opening size is difficult to expand.
  • the high-performance buffer device needs to have a large reserved space when retreating, so the application range of the implementation of the overload protection device is greatly limited.
  • the shear pin is unevenly stressed during overload, and the overload function cannot be completed well.
  • the retracting space of the coupler buffer is affected by the total length of the hooking device, and often does not provide sufficient safe retreat space.
  • the invention provides a simple structure for the above-mentioned shortcomings of the hook device of the existing rail vehicle coupler in the overload protection.
  • This system integrates the front mounting suspension system and overload protection device, so that the coupler buffer device does not need to use the mounting adapter plate and the vehicle.
  • the body is connected, the weight is light, and the structural design of the car body is simpler.
  • the technical solution of the present invention is: a front mounting suspension system with overload protection, the system comprising a mounting seat, a centering device, a supporting device for supporting the coupler bumper and a hook pin, the mounting seat and the rail vehicle body
  • the connecting device, the centering device and the supporting device are all mounted on the mounting seat, the system is further provided with a coupler connecting seat and an overload protection component, and the coupler connecting seat comprises a base and a coupler connecting portion integrally connected with the base, and the base passes the overload protection component and
  • the back side of the mounting seat is connected, the coupler connecting portion passes through the through hole provided in the middle of the mounting seat, and is connected with the coupler buffer device through the hook tail pin; the coupler connecting portion closely fits the through hole.
  • the through hole provided in the middle of the mounting seat is a cylindrical through hole
  • the coupler connecting portion is provided in a cylindrical shape, and the inner diameter of the through hole is the same as the outer diameter of the coupler connecting portion.
  • the overload protection element employs four pull-off bolts.
  • the invention has the advantages that: the invention has the advantages of simple structure, stable and reliable, and space saving, and the front mounting and hanging system is integrated with the overload protection device, so that the coupler buffer device does not need to be connected with the vehicle body by using the installation adapter plate, thereby simplifying the vehicle.
  • the structural design of the body is light in weight; the connection between the mounting seat and the body connecting seat is connected by the overload protection element, and the structure is simpler than that of the shear pin, and the force is more balanced during the action; Through hole, after the overload protection component acts, the coupler bumper and the coupler connector come out of the mount and are guided by the through hole when moving backward.
  • the stability and reliability are better than the existing products, and the overload protection component is used during operation. It is the space under the car body. It does not need the hook buffer device to provide the retreat space. It is easy to optimize the design when the total length of the coupler is constant. It is suitable for selecting the large-capacity and large-stroke coupler bumper.
  • FIG. 1 is a perspective view of a specific embodiment of the present invention.
  • Figure 2 is a side elevational view of a particular embodiment of the invention.
  • Figure 3 is a rear elevational view of a particular embodiment of the present invention.
  • FIG. 4 is a state diagram of a coupler bumper before an overload protection element is actuated according to an embodiment of the present invention.
  • Figure 5 is a state diagram of the coupler bumper after the action of the overload protection element according to the embodiment of the present invention.
  • a front mounting suspension system with overload protection comprising a mounting seat 1, a centering device 2, a supporting device 3 for supporting a coupler bumper, and a hook pin 4, the mounting seat 1 being connected to the rail vehicle body,
  • the centering device 2 and the supporting device 3 are mounted on the mounting seat 1, the system is also provided with a coupler connecting seat 5 and an overload protection element 6, and is provided with a cylindrical through hole 7;
  • the coupler connecting seat 5 includes a base and a coupler connecting portion integrally connected with the base, the coupler connecting portion is arranged in a cylindrical shape, the base is connected to the back of the mounting seat 1 through the overload protection member 6, and the coupler connecting portion is disposed in the middle of the mounting seat 1 Cylindrical through hole 7 and connected to the coupler buffer device by the hook end pin 4;
  • the outer diameter of the coupler joint portion is the same as the inner diameter of the cylindrical through hole 7 provided in the middle of the mount 1, and the coupler joint portion is installed and installed
  • the cylindrical through hole 7 in the middle of the seat 1
  • the front part of the coupler transmits the load to the coupler bumper.
  • the coupler bumper is restricted by the coupler joint and the hook pin.
  • the overload protection element will be invalid.
  • the four broken bolts break, which breaks the connection between the coupler joint and the mount, and separates the coupler joint from the mount, so that the anti-climbing device of the impacted vehicle and the energy absorption area of the vehicle body function;
  • the connecting seat and the coupler bumper will enter the space under the vehicle body through the mount and continue to retreat to the rear under the impact load.
  • the traction force directly compresses the elastic member in the coupler bumper and transmits it to the coupler mount and the mount to the vehicle body, during which the overload protection member is not subjected to force.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Vibration Dampers (AREA)

Abstract

一种带过载保护的前安装吊挂系统，该系统包括安装座（1）、对中装置（2）、用于支撑车钩缓冲器的支撑装置（3）和钩尾销（4），安装座（1）与轨道车辆车体连接，对中装置（2）和支撑装置（3）均安装在安装座（1）上，该系统还设置有车钩连接座（5）和过载保护元件（6），车钩连接座（5）包括底座和与底座连接为一体的车钩连接部，底座通过过载保护元件（6）与安装座（1）的背面连接，车钩连接部穿过设置在安装座（1）中部的通孔（7），并通过钩尾销（4）与车钩缓冲器连接；车钩连接部与通孔（7）紧密贴合。该前安装吊挂系统结构简单、重量轻。

Description

带过载保护的前安装吊挂系统
技术领域
本发明涉及铁道车辆钩缓装置领域， 具体的说， 涉及一种用于在受到较大纵向力时需要 实现过载保护的钩缓装置。
背景技术
钩缓装置是铁道车辆基本部件之一， 具有快速连接和分解铁道车辆、 传递列车牵引力、 提高车辆安全性、 改善车辆舒适性能的作用。
钩缓装置主要由车钩连挂装置、 压溃装置、 缓冲装置、 前安装吊挂装置和过载保护装置 组成。 车钩连挂装置具有连挂和分解列车车辆的功能； 压溃装置在紧急情况下起到保护车体 及乘客安全的作用； 缓冲装置作为钩缓装置改善纵向冲动性能， 提高车辆安全舒适性的装置; 前安装吊挂装置通过安装座将车钩固定在车体上， 保证钩缓装置能够在水平面和垂直面内一 定范围内灵活转动， 并具有垂直面内自支撑功能和水平面一定范围内自动对中的功能； 过载 保护装置能够在轨道车辆受到极大纵向冲击时， 使钩缓装置与车辆分离， 进而让车辆上的其 他能量吸收装置发挥功效。 缓冲器作为钩缓装置中重要的能量吸收装置， 主要参与轨道车辆 正常运行过程中的纵向能量吸收。 现有的缓冲器中有很多是依靠压缩内部的弹性元件来实现 能量吸收的功能， 而缓冲器自身通过转动轴与安装座相连， 以便实现钩缓装置旋转的功能。 安装座再通过安装螺栓或过载保护装置与车体相连， 以传递纵向载荷。
目前， 常见的过载保护装置安装在钩缓装置外部， 直接连接钩缓装置与车体， 发挥作用 时钩缓装置整体脱离车体。 现有的轨道车辆车钩缓冲器主要有前安装吊挂系统和缓冲系统这 两部分构成。 要实现缓冲器的过载保护功能， 第一种方式是破坏安装座与车体之间的连接， 第二种方式是在缓冲器壳体内设置剪切销， 通过破坏剪切销实现缓冲器芯子在钩体内后退， 第三种方式是在破坏安装座和车钩缓冲器之间的连接。 第一种方式目前应用范围较广， 易于 实现， 但这种方式要求安装座及缓冲器尺寸较小或者车体下面留有足够的空间， 以便整个钩 缓装置与车体分离后退。 但是车体底架受到已有结构及强度的限制， 开口尺寸很难扩大。 但 高性能的缓冲装置需要后退时预留空间较大， 因此造成这种过载保护装置实现方式的应用范 围受到较大的限制。 第二种方式在过载时剪切销受力不均匀， 不能很好地完成过载功能， 同 时车钩缓冲器后退空间受到钩缓装置总长的影响， 往往不能提供足够的安全后退空间。
发明内容
本发明针对现有轨道车辆车钩的钩缓装置在过载保护时的上述不足， 提供了一种结构简 单、 重量轻、 稳定性好、 可靠性高的带过载保护的前安装吊挂系统， 该系统集成了前安装吊 挂系统与过载保护装置， 使车钩缓冲装置不需要使用安装转接板与车体相连， 重量轻， 车体 的结构设计更加简单。
本发明的技术方案是： 一种带过载保护的前安装吊挂系统， 该系统包括安装座、 对中装 置、 用于支撑车钩缓冲器的支撑装置和钩尾销， 安装座与轨道车辆车体连接， 对中装置和支 撑装置均安装在安装座上， 该系统还设置有车钩连接座和过载保护元件， 车钩连接座包括底 座和与底座连接为一体的车钩连接部， 底座通过过载保护元件与安装座的背面连接， 车钩连 接部穿过设置在安装座中部的通孔， 并通过钩尾销与车钩缓冲装置连接； 车钩连接部与通孔 紧密贴合。
优选的是， 设置在安装座中部的通孔为圆柱状通孔， 车钩连接部设置为圆柱型， 通孔的 内径与车钩连接部的外径相同。
优选的是， 过载保护元件采用四个拉断螺栓。
本发明的有益效果是： 本发明结构简单、 稳定可靠、 节省空间， 集前安装吊挂系统与过载保 护装置于一体， 使车钩缓冲装置不需要使用安装转接板与车体相连， 简化了车体的结构设计, 且重量轻； 安装座与车体连接座之间通过过载保护元件连接， 相比于剪切销的形式结构， 结 构更加简单， 且在作用时受力更均衡； 安装座设置有通孔， 在过载保护元件作用后， 车钩缓 冲器和车钩连接座脱出安装座向后运动时受到通孔的导向，稳定性和可靠性比现有产品更好, 且过载保护元件工作时利用的是车体下的空间， 无需车钩缓冲装置提供后退空间， 在车钩总 长一定的情况下便于优化设计， 适用于选择大容量大行程车钩缓冲器。
附图说明
附图 1为本发明具体实施例的立体图。
附图 2为本发明具体实施例的侧视图。
附图 3为本发明具体实施例的后视图。
附图 4为本发明具体实施例的过载保护元件作用前的车钩缓冲器状态图。
附图 5为本发明具体实施例的过载保护元件作用后的车钩缓冲器状态图。
具体实施方式
以下结合附图对本发明做进一步说明。
一种带过载保护的前安装吊挂系统， 该系统包括安装座 1、 对中装置 2、 用于支撑车钩缓 冲器的支撑装置 3和钩尾销 4， 安装座 1与轨道车辆车体连接， 对中装置 2和支撑装置 3均 安装在安装座 1上， 该系统还设置有车钩连接座 5和过载保护元件 6， 设置有圆柱状通孔 7; 车钩连接座 5包括底座和与底座连接为一体的车钩连接部， 车钩连接部设置为圆柱型， 底座 通过过载保护元件 6与安装座 1的背面连接， 车钩连接部穿过设置在安装座 1中部的圆柱状 通孔 7， 并通过钩尾销 4与车钩缓冲装置连接； 车钩连接部的外径与设置在安装座 1中部的 圆柱状通孔 7的内径相同， 且车钩连接部与设置在安装座 1中部的圆柱状通孔 7紧密贴合。 过载保护元件 6采用四个拉断螺栓。
工作原理： 车钩前方部件将载荷传递至车钩缓冲器， 车钩缓冲器受到车钩连接座和钩尾 销的限制从而被压缩； 当压缩载荷超过过载保护元件的设计值时， 过载保护元件将失效， 即 四个拉断螺栓断裂， 破坏了车钩连接座与安装座之间的连接， 使车钩连接座与安装座分离， 使受冲击车辆的防爬器和车体吸能区发挥作用； 这时车体连接座及车钩缓冲器将通过安装座 进入车体下面的空间， 并在冲击载荷的作用下继续向后方退行。 而当车钩受到牵引力时， 牵 引力直接压缩车钩缓冲器内的弹性元件并传递至车钩连接座、 安装座直至车体， 这一过程中 过载保护元件不受力。

Claims

权 利 要 求 书
1 . 一种带过载保护的前安装吊挂系统， 该系统包括安装座、对中装置、 用于支撑车钩缓冲器 的支撑装置和钩尾销， 安装座与轨道车辆车体连接， 对中装置和支撑装置均安装在安装座 上， 其特征在于： 该系统还设置有车钩连接座和过载保护元件， 车钩连接座包括底座和与 底座连接为一体的车钩连接部， 底座通过过载保护元件与安装座的背面连接， 车钩连接部 穿过设置在安装座中部的通孔， 并通过钩尾销与车钩缓冲装置连接； 车钩连接部与通孔紧 密贴合。
2. 根据权利要求 1所述的带过载保护的前安装吊挂系统， 其特征在于： 设置在安装座中部的 通孔为圆柱状通孔， 车钩连接部设置为圆柱型， 通孔的内径与车钩连接部的外径相同。
3. 根据权利要求 1或 2任意一项所述的带过载保护的前安装吊挂系统， 其特征在于： 过载保 护元件采用四个拉断螺栓。
PCT/CN2013/075185 2012-06-13 2013-05-06 带过载保护的前安装吊挂系统 WO2013185510A1 (zh)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2015513000A JP5946958B2 (ja) 2012-06-13 2013-05-06 過負荷防止機能を有する前方設置式懸架システム
US14/399,505 US9919721B2 (en) 2012-06-13 2013-05-06 Front suspension system having overload protection
EP13804691.7A EP2862777B1 (en) 2012-06-13 2013-05-06 Front installed suspension system having overload protection
RU2015100252/11A RU2582325C1 (ru) 2012-06-13 2013-05-06 Устанавливаемая впереди система подвески, имеющая защиту от перегрузок

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201220275520.X 2012-06-13
CN201220275520XU CN202624260U (zh) 2012-06-13 2012-06-13 带过载保护的前安装吊挂系统

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WO2013185510A1 true WO2013185510A1 (zh) 2013-12-19

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US (1) US9919721B2 (zh)
EP (1) EP2862777B1 (zh)
JP (1) JP5946958B2 (zh)
CN (1) CN202624260U (zh)
RU (1) RU2582325C1 (zh)
WO (1) WO2013185510A1 (zh)

Cited By (2)

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