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公开(公告)号：KR1020100076671A
公开(公告)日：2010-07-06
申请号：KR1020080134796
申请日：2008-12-26
Applicant: 한국철도기술연구원
Abstract: PURPOSE: A steering bogie vehicle using 3 bar linkage for a railway vehicle is provided to reduce the abrasion of a wheel, noise, and the damage of railway which are created while a vehicle driving. CONSTITUTION: A steering bogie vehicle(100) using 3 bar linkage for a railway vehicle comprises a steering device(20) which generates steering of front/rearward wheel axles(12a,12b) and includes a first and a second front steering links(22a,24a) which are connected and installed on a front axle box(14a), a first and a second rear steering links(22b,24b) which are connected and installed on s rear axle box(14b), and a cross link(26) which is connected to the first and second front steering links and the first and second rear steering links with being installed in the lower part of a bogie vehicle frame(10) to the horizontal direction. The steering device receives the yaw displacement of a center pivot(18) which is being created during the railway vehicle driving in the lower part of the bogie frame.
Abstract translation: 目的：提供一种用于铁路车辆的3杆联动装置的转向架转向架车辆，以减少在车辆行驶时产生的车轮磨损，噪音和铁路损坏。 构成：使用用于铁路车辆的3连杆的转向转向架车辆（100）包括产生前/后轮轴（12a，12b）的转向的转向装置（20），并且包括第一和第二前转向连杆（22a ，24a），其连接并安装在前轴箱（14a）上，连接并安装在后轴箱（14b）上的第一和第二后转向连杆（22b，24b）和交叉连杆（26） ），其连接到第一和第二前转向链路以及第一和第二后转向链路，其沿水平方向安装在转向架车架（10）的下部。 转向装置接收在铁路车辆驾驶期间在转向架框架的下部产生的中心枢轴（18）的偏航位移。
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公开(公告)号：KR1020100070165A
公开(公告)日：2010-06-25
申请号：KR1020080128779
申请日：2008-12-17
Applicant: 한국철도기술연구원
Abstract: PURPOSE: A system and a method for measuring relative displacement between a wheel and a rail for a railway vehicle using induced current are provided to stably measure relative displacement between a wheel and a rail even in a curved section. CONSTITUTION: A system for measuring relative displacement between a wheel and a rail for a railway vehicle using induced current comprises an induced current measuring unit(100) and a data processing unit(200). The induced current measuring unit has an iron core, an input coil(120), and a detection coil(130). The iron core is installed in a railway vehicle. The input coil is wound around one side of the iron core. The detection coil is wound around the other side of the iron core and detects induced current. The data processing unit calculates relative displacement between a wheel and a rail using the induced current detected from the induced current measuring unit.
Abstract translation: 目的：提供一种使用感应电流测量铁路车辆的车轮和轨道之间的相对位移的系统和方法，以稳定地测量即使在弯曲部分中车轮和轨道之间的相对位移。 构成：使用感应电流测量铁路车辆的车轮和轨道之间的相对位移的系统包括感应电流测量单元（100）和数据处理单元（200）。 感应电流测量单元具有铁芯，输入线圈（120）和检测线圈（130）。 铁芯安装在铁路车辆中。 输入线圈缠绕在铁芯的一侧。 检测线圈缠绕在铁芯的另一侧，并检测感应电流。 数据处理单元使用从感应电流测量单元检测到的感应电流来计算车轮和轨道之间的相对位移。
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公开(公告)号：KR1020100068119A
公开(公告)日：2010-06-22
申请号：KR1020080126842
申请日：2008-12-12
Applicant: 한국철도기술연구원
IPC: B61K9/08
CPC classification number: B61K9/08 , B61D15/08 , G06T7/0002 , G06T2207/30252 , H04N5/225 , H04N5/2256
Abstract: PURPOSE: A relative displacement instrumentation system of a wheel and a rail of a railway vehicle using camera images and a method thereof are provided to simplify structure and measure the displacement of a wheel and a rail of a steering truck through an image system on a real time basis. CONSTITUTION: A relative displacement instrumentation system of a wheel and a rail of a railway vehicle using camera images comprises a camera(100), an image capture unit, and a data processing member(200). The camera is installed in a steering truck of the railway vehicle and obtains the images of a rail and a wheel. The image capture unit converts analog image information obtained by the camera into digital image information. The data processing member collects the digital image information on the rail and the wheel and measures the relative displacement of the rail and the wheel.
Abstract translation: 目的：提供一种使用摄像机图像的铁路车辆的车轮和轨道的相对位移仪表系统及其方法，以简化结构并且通过图像系统实时地测量转向车的车轮和轨道的位移 时间基础。 构成：使用相机图像的铁路车辆的车轮和轨道的相对位移仪表系统包括照相机（100），图像拍摄单元和数据处理部件（200）。 相机安装在铁路车辆的转向卡车中，并获得轨道和车轮的图像。 图像捕获单元将由相机获得的模拟图像信息转换为数字图像信息。 数据处理部件在轨道和车轮上收集数字图像信息，并测量轨道和车轮的相对位移。
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公开(公告)号：KR100916594B1
公开(公告)日：2009-09-11
申请号：KR1020070126426
申请日：2007-12-06
Applicant: 한국철도기술연구원
CPC classification number: B61F5/386
Abstract: 본 발명은 철도차량의 고속주행시 대차의 주행안정성을 향상시킴으로써 철도차량의 탈선을 미연에 방지하고, 차륜과 레일의 주행진동을 최소화하여 안락한 승차감을 얻도록 구성된 철도차량의 능동 조향대차에 관한 것으로서, 특히, 대차의 윤축을 조향하기 위한 링크의 구성이 단순하고, 지렛대작용 이용하여 상기 링크를 적은 힘으로도 구동할 수 있어서, 대차의 중량을 대폭 줄일 수 있고 유지보수가 용이한 지렛대작용 이용한 철도차량용 능동 조향대차이다.
본 발명은 윤축이 전후로 설치된 철도차량용 조향대차에 있어서, 전방 윤축의 양측 액슬박스와 힌지 결합하여 상기 전방 윤축을 조향하는 전방조향장치와, 후방 윤축의 양측 액슬박스와 힌지 결합하여 상기 후방 윤축을 조향하는 후방조향장치로 구성된다.
철도차량, 대차, 조향, 능동조향-
公开(公告)号：KR1020090059536A
公开(公告)日：2009-06-11
申请号：KR1020070126434
申请日：2007-12-06
Applicant: 한국철도기술연구원
CPC classification number: B61F5/38 , B61F5/386 , B61F5/42 , B61F5/52 , B61G11/12 , F16C11/06 , F16C2326/10 , F16F9/10 , F16F9/535 , F16F15/023
Abstract: A self steering bogie for railway vehicle is provided to steer the wheel axle with small force on a curved track and thereby improve the traveling performance of the railway vehicle. A self steering bogie for railway vehicle comprises front and rear wheel axle steering devices(200,200A). The front and rear wheel axle steering devices are installed in a sliding room of a bogie frame(101) to steer respective front and rear axles(102) of the bogie. Each wheel axle steering device is composed of a connecting rod(204), a cam(202), a driven element(205), and a slider. The connecting rod is connected with the vehicle body at one side and hinged with the cam at the other side. The other side of the cam is hinged with the bogie frame. The driven element is driven to slide by the rotation of the cam. The slider is equipped in a primary suspension into one body and restricted by the driven element.
Abstract translation: 提供了一种用于铁路车辆的自转转向架，用于将轮轴以小的力转向弯曲轨道，从而提高了铁路车辆的行驶性能。 用于铁路车辆的自转转向架包括前后轮轴转向装置（200,200A）。 前轮和后轮转向装置安装在转向架（101）的滑动室中，以转向转向架的相应前轴和后桥（102）。 每个轮轴转向装置由连杆（204），凸轮（202），从动元件（205）和滑块组成。 连杆在一侧与车身连接，并在另一侧与凸轮铰接。 凸轮的另一侧与转向架框架铰接。 被驱动元件被驱动以通过凸轮的旋转而滑动。 滑块装配在一个主体中，并被受驱动元件限制。
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Patent Agency Ranking
公开(公告)号：KR1020090059534A
公开(公告)日：2009-06-11
申请号：KR1020070126431
申请日：2007-12-06
Applicant: 한국철도기술연구원
CPC classification number: B61F5/38 , B61F5/386 , B61F5/42 , B61G11/12 , F16C11/06 , F16C2326/10 , F16F9/532 , F16F9/535 , F16F15/023
Abstract: A semi-active steering bogie for railway vehicle with a variable damper is provided to keep the damping coefficient of the variable damper high while the railway vehicle travels on a straight track and low while traveling on a curved track, thereby improving traveling stability. A semi-active steering bogie for railway vehicle comprises an axle box(104) installed on both ends of a wheel axle, and a variable damper(105) combined in a bogie frame(101) to support the axle box. The variable damper is installed horizontally to the wheel axle and controlled in damping coefficient by a sensor unit and a control unit according to whether the railway vehicle travels on a straight track or a curved track.
Abstract translation: 提供一种用于具有可变阻尼器的铁路车辆的半主动式转向架，以便在轨道车辆在弯道上行驶时在轨道上行驶时可变阻尼器的阻尼系数较高，从而提高行驶稳定性。 用于铁路车辆的半主动转向转向架包括安装在轮轴两端的轴箱（104）和组合在转向架（101）中以支撑轴箱的可变风门（105）。 可变阻尼器水平安装在车轮轴上，并通过传感器单元和控制单元根据轨道车辆是在直轨道还是弯曲轨道上行驶来控制阻尼系数。
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公开(公告)号：KR100807387B1
公开(公告)日：2008-02-28
申请号：KR1020060132738
申请日：2006-12-22
Applicant: 한국철도기술연구원
Inventor： 허현무
CPC classification number: G01N3/02 , B25B11/02 , G01N2203/0288 , G01N2203/04
Abstract: A jig for testing a hydraulic axial spring is provided to improve efficiency of a characteristic test for a hydraulic axial spring by providing a simple jig structure. A jig for testing a hydraulic axial spring includes an upper cylinder bracket(200), a lower cylinder bracket(300), and a connecting head(400). The upper cylinder bracket is provided with a fixing unit and a cylinder(210). The fixing unit is fixed to a lower part of a cross head(20) coupled with a vertical actuator of a spring testing machine by a bolt(B). The lower cylinder bracket for fixing the hydraulic axial spring to the spring testing machine is provided with a supporting unit(310) and a coupling unit(320). The coupling unit is projected on the center part of the supporting unit in a rectangular shape. A coupling hole(325) is individually formed at each corner of the coupling unit. The connecting head is installed between the upper cylinder bracket and the hydraulic axial spring.
Abstract translation: 提供了用于测试液压轴向弹簧的夹具，通过提供简单的夹具结构来提高液压轴向弹簧的特性测试的效率。 用于测试液压轴向弹簧的夹具包括上气缸托架（200），下气缸托架（300）和连接头（400）。 上气缸支架设有固定单元和气缸（210）。 固定单元通过螺栓（B）固定到与弹簧测试机的垂直致动器联接的十字头（20）的下部。 用于将液压轴向弹簧固定到弹簧试验机的下气缸托架设置有支撑单元（310）和联接单元（320）。 联接单元以矩形的形状投影在支撑单元的中心部分上。 联接孔（325）分别形成在联接单元的每个拐角处。 连接头安装在上气缸支架和液压轴向弹簧之间。
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公开(公告)号：KR100799335B1
公开(公告)日：2008-01-30
申请号：KR1020060108117
申请日：2006-11-03
Applicant: 한국철도기술연구원
IPC: G01M17/08
Abstract: A scratch test system and method for a railway wheel profile are provided to obtain reliable data on damages caused by abrasion between the wheel and the rail by inducing artificial abrasion under driving condition of a railway vehicle, thereby improving material properties of the wheel. A scratch test system for a railway wheel profile comprises a rail test unit(10), a wheel test unit(20), a lubricant spray unit(30), a torque meter(38), a speed sensing unit(34), and a central computer(36). The motor-driven circular rail test unit revolves around a rail shaft provided in the center. The circular wheel test unit, whose outer periphery maintains contact with the rail test unit, slides around a wheel axle(20a) when the rail test unit revolves. The lubricant spray unit sprays the lubricant on the contact between the wheel test unit and the rail test unit. The torque meter measures tangential force of the wheel test unit. The speed sensing unit measures the main speed as an RPM of the wheel test unit. The central computer receives the measured values from the torque meter and speed sensing unit and stores and manages them under database. A first air cylinder(40) for providing vertical load and a load cell(42) for measuring the vertical load and transmitting it to the central computer are provided on the wheel axle.
Abstract translation: 提供了一种用于铁路车轮轮廓的划痕测试系统和方法，以通过在铁路车辆的行驶状态下引起人为磨损来获得关于车轮和轨道之间的磨损造成的损坏的可靠数据，从而改善车轮的材料特性。 用于铁路车轮轮廓的划痕测试系统包括轨道测试单元（10），车轮测试单元（20），润滑剂喷射单元（30），扭矩计（38），速度感测单元（34）和 中央计算机（36）。 马达驱动的圆形轨道测试单元围绕设置在中心的轨道轴旋转。 当轨道测试单元旋转时，其外周保持与轨道测试单元接触的圆轮测试单元在轮轴（20a）周围滑动。 润滑剂喷射单元将润滑剂喷射到车轮测试单元和轨道测试单元之间的接触件上。 扭矩计测量车轮测试单元的切向力。 速度检测单元以主轮速度作为轮测试单元的RPM进行测量。 中央计算机从扭矩计和速度检测单元接收测量值，并在数据库下存储和管理它们。 用于提供垂直载荷的第一气缸（40）和用于测量垂直载荷并将其传递到中央计算机的称重传感器（42）设置在轮轴上。
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公开(公告)号：KR100733996B1
公开(公告)日：2007-06-29
申请号：KR1020050108488
申请日：2005-11-14
Applicant: 한국철도기술연구원
IPC: G01M17/08
Abstract: 본 발명은 철도차량이 주행할 때 구름접촉되는 차륜과 레일의 접촉위치를 정밀하고 용이하게 측정 분석하여 철도차량 및 선로에 대한 안전성 분석 또는 유지보수에 활용할 수 있도록 해 주는 철도차량용 차륜/레일 접촉위치 측정방법 및 그 장치에 관한 것으로서, 철도차량용 차륜/레일 접촉위치 측정방법은, 철도차량 차륜 폭의 중심부에 위치되도록 대차프레임에 설치되는 레이저 센서를 통해 레일의 단면 형상을 지속적으로 스캔하는 레일 스캔단계; 및 상기 레일 스캔단계에서 스캔된 레일 스캔데이터를 근거로 차륜과 레일간의 접촉위치를 산출하는 접촉위치 산출단계;를 포함하여 이루어지고, 철도차량용 차륜/레일 접촉위치 측정장치는, 철도차량의 정지시에 레일의 단면 형상을 스캔하고, 운행시에 레일의 단면 형상을 지속적으로 스캔하는 스캔부; 및 상기 스캔부에 의해 철도차량의 정지시 및 운행시 스캔된 스캔데이터를 근거로 차륜과 레일의 접촉위치를 연산 처리하여 관리하는 데이터처리부;를 포함하여 구성되는 것을 특징으로 한다.
철도차량, 레일/차륜 접촉위치, 레일스캔, 차량위치-
公开(公告)号：KR100611197B1
公开(公告)日：2006-08-10
申请号：KR1020040064177
申请日：2004-08-16
Applicant: 한국철도기술연구원
Inventor： 허현무
Abstract: 본 발명은 철도차륜 답면형상 측정시스템에 관한 것이다.
이러한 본 발명의 철도차륜 답면형상 측정시스템은, 자성체에 의해 차륜 및/또는 레일 상단에 탈부착 되는 거치대와, 상기 거치대 일측에 설치되며 상호 축결합된 한 쌍의 로터리 엔코더에 아암(Arm) 형태의 측정센서가 결합된 형상측정부와, 상기 측정센서 구동 및 측정센서를 통해 측정된 데이터를 전송하는 인터페이스부와, 상기 인터페이스를 통해 전송된 데이터를 저장 및 관리, 분석하는 프로그램을 내장한 데이터 처리장치로 구성되어 차륜의 답면형상을 측정하는 철도차륜 답면형상 측정시스템에 있어서;
상기 측정센서에 의해 차륜 직경 산출이 가능하도록 상기 거치대로부터 형상측정부가 90°회동되게 구성되어 있다.
따라서, 본 발명의 철도차륜 답면형상 측정시스템에 의하면, 차륜의 답면 형상에 대하여 종래 보다 체계적으로 관리할 수 있으며, 특히 종래에 비해 차륜 답면의 삭정시기 및 삭정량을 정확히 제시하는 등, 상기 차륜 답면 형상관리의 효율성 및 신뢰성을 크게 향상시킬 수 있는 탁월한 효과가 있다.
철도차륜, 차륜 답면형상 측정, 차륜 곡률 측정, 차륜 직경
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