钢轨

PLC控制的钢轨电极接触面磨光机开发与应用研究

Development and application of polishing machine with contact surface of rail pole and PLC control

基于FPGA的视频图像高速处理技术&在钢轨动态检测中的应用

Fast Processing Technology of Video Image Based on FPGA & Application in Dynamic Detection of Rail

锈侵蚀了钢轨。

Rust has corroded the steel rails .

由于轨道结构条件制约，钢轨接头扣件应用C型弹条受到限制。

The C type spring catch can 't be used as the retainer of the rail joint due to the restriction of the railroad construction .

通过利用大型有限元程序ANSYS建立了考虑钢轨表面微观粗糙度情况下，具有表面微裂纹的轮轨接触二维有限元模型。

Two dimensional finite element model of wheel-rail contact surface micro-crack under micro-roughness was established by using finite element program ANSYS .

采用近红外线状光源、CCD技术及计算机图像处理等技术，实现钢轨磨耗检测系统的软硬件设计。

The linear light source of the near infrared , CCD technology and computer image processing technology have been applied in the software and hardware implementation of rail abrasion detection system .

攀钢采用无铝脱氧工艺，使钢轨钢中的Als和Al2O3夹杂大幅降低，满足了用户对钢轨钢中Als和Al2O3夹杂的要求。

Application of Al-free technology in refining the rail steel has enormously reduced the Als and Al_2O_3 inclusions in PZH Steel and the customers ' demands can thus be basically met .

主要应用大型有限元软件ANSYS分别建立车轮在钢轨上滑动和滚动过程的有限元模型，在轮轨接触区利用接触单元法来建立接触。

The finite element model of wheels sliding on the rails and rolling process are established by large-scale finite element software ANSYS . Establish contact using the contact element method in the wheel-rail contact area .

采用50kg／m钢轨的钢锭模小保温帽改为大保温帽，基本消除了这种缺陷。

This kind of flaw has been basically eliminated after small thermal insulating sinkheads were replaced by big ones .

作者用有限元法模拟了LCR波在钢轨中传播的声场分布，并且对钢轨中LCR波的传播作了实验。

The field distribution of an L_ ( CR ) wave transmitted in rails is simulated , and experiments of L_ ( CR ) wave transmission are conducted .

T（11BK）型长钢轨列车组

The T_ ( 11BK ) Long Rail Train-sets

本文研究了钢轨、车轮材料的过早pop-in现象。

An investigation was carried out on the premature " pop-in " events of rail or wheel steels .

UIC54钢轨用900A钢的研制

Development of 900A Steel for UIC 54 Rail

高速重载钢轨的开发与PD3钢轨的组织性能

Development of high speed and heavy haul rail steel

UIC54钢轨的研制与生产

Research & Development and Production of UIC 54 Rail

我国已成功地建成世界上唯一的、钢轨经精密机械加工后再全程焊接的XB高精度火箭橇试验滑轨。

China has successfully built the world 's only track & XB high accuracy rocket sled test track , of which the rails are specially machined and then welded continuously .

随着列车的提速和5000t重载列车的开行，直线轨道钢轨出现了交替的不均匀侧磨，使得列车运行品质下降。

With the speed rising and the 5 000t heavy haul train running , the alternating side wear of rail occurs on tangent and the running quality of train descends .

按照客运专线18号道岔设计参数并采用Rheda型无碴轨道结构建立模型，模型中对上部钢轨结构的尖轨和可动心轨辙叉部分进行了简化处理；

The model was built according to the design parameter of the 18th rail switch of the Passenger-Dedicated Lines .

模拟钢轨焊接及焊后热处理工况，采用热膨胀方法分别测定UIC900A及U75V钢轨钢的连续冷转变曲线（CCT曲线）。

By simulating welding and simulating heat treatment after welding , CCT Curves of UIC900A and U75V rail steels are determined by the expansion method .

采用Gleeble-2000热模拟试验机，对高速铁路轨道用U71Mn钢轨钢的对焊顶锻变形过程进行了热力模拟试验。

The upset formation process of rail ( U71Mn ) butt welding was test by thermal and mechanical simulation using Gleeble-2000 simulator .

钢轨气压焊顶锻量的计算应含钢轨在加热阶段产生的轴向变化量，当顶锻量为35mm～40mm时，接头质量优异；

The calculating of upsetting length should include the length change during the heating stage , and the welded joints are excellent if the value of upsetting length is controlled between 35mm and 40mm ;

采用模拟试验方法，在试验室内模拟不同轴重货车运行于60kg/m直线PD-1钢轨情况，研究轴重对轮轨磨损的影响。

The railway wagon with different axle loads running on 60 kg / m PD-1 tangent rail is simulated in laboratory , and the effects of axle load on the wear of wheel and rail are analyzed .

通过断裂力学分析，估算出U74重轨的正常使用寿命及伤轨残余使用寿命；探讨了钢轨纵裂的可能机制。

Normal service life of U74 heavy rail and service life of the damaged rail are estimated by fracture dynamical analysis and possible mechanism on the longitudinal crack on the rail discussed .

本文介绍了应用线弹性结构静动力分析程序（Sap5）进行钢轨三维应力分析的方法，同时列出了以50kg/m铜轨为例的分析及其结果。

This paper describes the method of applying the linear elastic static and dynamic structural analysis programme ( Sap5 ) for analyzing the three-dimensional stresses of rails , An analysis of such nature made on the 50kg / m rail together with its results is also presented as example .

钢轨接头减振鱼尾板理论与试验分析

Theoretical and experimental analysis of damping fish plate at rail joint

采用喷风冷却工艺提高淬火钢轨性能的研究

Improve the Full Length Quenched Rail Properties with Jetting Air Cooling

国外钢轨涡流检测技术现状

A review of eddy current testing of rails in foreign countries

高速钢轨探伤车中走行小车的设计及试验

Design and Test of Trolley of High Speed Rail Inspection Car

磨耗形踏面与钢轨的两点接触

Two Point Contact between Pr of iled Wheel Tread and Rail

无缝提速道岔钢轨温度力与位移的计算

Temperature Force and Displacement in Welded Switches of Speed Raising Railways