Abstract:
마찰장치에 관한 발명이 개시된다. 개시된 마찰장치는, 제1표면을 구비하는 제1부재와, 제1표면에 접하는 제2표면을 구비하며, 제1부재와 접하여 이동하는 제2부재를 포함하며, 제1표면 또는 제2표면 중 적어도 어느 하나는 경화처리되는 것을 특징으로 한다.
Abstract:
본 발명은 도상종저항력 측정 장치 및 방법에 관한 것으로, 도상에 길이방향을 따라 일정 간격을 유지하며 배치되는 침목의 도상종저항력 측정 장치에 있어서, 이동 침목의 일측면을 가압하는 로드가 하우징의 일측에 전후진되게 구비되는 가압수단과; 이동 침목의 타측면에 지지되어 상기 이동 침목의 종방향 밀림에 대한 저항력을 측정하는 변위측정수단으로 구성되는 것을 특징으로 한다. 본 발명에 따르면, 도상종저항력을 측정하고자 하는 침목에 종방향 압력을 가하는 경우 침목의 뒤틀림을 최소화하여 안정적이고도 정확한 도상종저항력을 측정할 수 있는 장점이 있다. 도상, 침목, 도상종저항력
Abstract:
PURPOSE: A device for inspecting a wheel and rail of a railway vehicle, which includes an elastic member for reducing a volume of an inspecting device, is provided to improve the high frequency component removal efficiency of the power generated in approval of side load and lower load. CONSTITUTION: A device for inspecting a wheel and rail of a railway vehicle comprises a wheel specimen driving part(100), a rail specimen driving part(300) and an elastic member. The wheel specimen driving part comprises a load loader(110), a side loader(140) and a wheel operation part(170). The load loader applies load to a wheel specimen at a radial direction of a wheel specimen(10). The side loader is arranged in one side of the wheel axle and applies side load to the wheel specimen. The wheel specimen and wheel axle are installed on the wheel operation part to rotate the wheel axle and wheel specimen. A rail specimen driving part comprises a rail driving part. The rail driving part rotates the rail axis and the rail axis in which a rail specimen(20) is combined. The elastic member comprises a plurality of leaf springs.
Abstract:
PURPOSE: A buckling monitoring system of a rail is provided to prevent bucking through displacement detection of a rail and condition decision of a rail during a hot season. CONSTITUTION: An axial force detector outputs axial force due to axial force detection of a rail(10). A horizontal displacement detector outputs horizontal displacement information by horizontal displacement detection of the rail. A data collecting unit(200) collects axial information and horizontal displacement information inputted from a rail axial force/vertical displacement detector(100). The data collecting unit decides a degree of buckling risk. A warning unit(300) warns risk.
Abstract:
PURPOSE: A device for testing wheel of railway vehicle and a rail with elastic member for removing noise of thrust load or radial load is provided to improve high frequency component of load applied to a wheel specimen. CONSTITUTION: A device for testing wheel of railway vehicle comprises a wheel specimen driving part(100), a rail specimen driving part(300) and an elastic member. The wheel specimen driving part comprises a load loader(110), a side loader(140) and a wheel operation part(170) The load loader applies load to a wheel specimen at a radial direction of a wheel specimen(10). The side loader is arranged in one side of the wheel axle and applies side load to the wheel specimen. The wheel specimen and wheel axle are installed on the wheel operation part to rotate the wheel axle and wheel specimen. The rail specimen driving part is separately arranged in the wheel axle and the wheel specimen driving part. The elastic member eliminates the high frequency component of the applied load.
Abstract:
본 발명은 철도 궤도의 좌굴 감시 시스템에 관한 것으로, 궤도 레일의 축력 및 횡변위를 감지하는 레일 축력 및 횡변위 감지수단과; 상기 레일 축력 및 횡변위 감지수단으로부터 입력되는 축력정보 및 횡변위정보를 수집하여 좌굴 위험도를 판별하는 데이터수집수단;으로 구성되는 것을 특징으로 한다. 본 발명에 따르면 궤도 레일의 좌굴 가능 여부를 상시 감시하여 좌굴 위험성을 평가할 수 있는 장점이 있다. 특히, 혹서기 궤도의 상태를 정확히 판단하여 좌굴위험성을 평가하고, 궤도 레일의 변위를 검지하여 좌굴을 사전에 방지하게 함으로서, 좌굴 위험이 높은 경우 신속한 대처가 이루어지도록 하여 철도차량의 탈선 등으로 인한 대형 사고를 미연에 방지하게 하는 효과가 있다. 철도, 궤도, 레일, 좌굴
Abstract:
A jig for measuring a lateral resisting force of ballast and a measuring apparatus and method using the same are provided to measure an accurate lateral resisting force of ballast by supporting a sleeper stably. A jig(120) for measuring a lateral resisting force of ballast comprises a mounting part in which a pressing unit(110) is mounted and a holder part which is supported on one end of the sleeper. An apparatus for measuring a lateral resisting force of ballast comprises the pressing unit including rods, the jig supporting the pressing unit to the sleeper, and a displacement measuring unit(130) which is supported on a rail(32) and the other end of the sleeper. The rod presses the side of the other rail(30) and the displacement measuring unit measure a resistance against the lateral slip of the sleeper.
Abstract:
PURPOSE: A contact test system of a wheel and rail through external input condition control and a method thereof are provided to match state information which is varied on a real time basis with data inputted from a remote place, thereby maintaining an optimized state of the wheel and rail in a railway operation state. CONSTITUTION: A laser scan measuring device(100) is separated from the upper part of a wheel specimen(20) or rail specimen(10) with a predetermined distance. The laser scan measuring device comprises a laser scan part, an eddy current detection part, and a camera photographing part. A local cooling device(200) comprises a specimen state information receiving part, a temperature sensing part, a local cooling part, a specimen state information analysis part, and an external condition input part. A train management server(300) comprises a train information receiving part, a train state management DB, and a train state display part.
Abstract:
PURPOSE: A method for measuring the lateral resisting force of ballast is provided to secure stable support state of a sleeper when the lateral resisting force of ballast is measured. CONSTITUTION: A pad and connecting device of a sleeper(20), in which the lateral resisting force of ballast is measured, is removed. A jig(120) is installed on the upper surface of rails(30,32). A pressing unit(110) is established in order to pressurize the inner side of the rail. A displacement sensor is established between the rail and sleeper. The pressing unit is operated A control unit calculates a displacement value measured in the displacement sensor in order to digitalize the lateral resisting force of ballast.