Overview
A train rerailer, also known as a rerailing device or track ramp, is an essential tool in railway maintenance and emergency response. It is designed to safely guide derailed wheels back onto the tracks without requiring heavy lifting equipment. The device is particularly crucial for high-speed trains (like bullet trains) where derailments can cause significant operational disruptions. Modern rerailers are engineered to handle various wheel sizes and weights, making them versatile for different types of rolling stock. They are commonly used by railway maintenance teams, emergency responders, and even some military units specializing in rail operations.
Structure and Working Principle
A typical train rerailer consists of two main components: a base plate that sits securely on the track and an inclined ramp that aligns with the derailed wheel. The ramp is often adjustable to accommodate different wheel diameters and may include grooves or guides to ensure proper alignment during the rerailing process. The working principle is straightforward: as the train moves slowly, the derailed wheel climbs the inclined ramp and is guided back onto the rail. The angle of inclination is carefully calculated to provide sufficient lift without requiring excessive force. Some advanced models incorporate hydraulic or mechanical assist systems to reduce the effort needed during the operation.
Key Features
Modern train rerailers offer several important features that enhance their functionality. Durability is paramount, as the devices must withstand the tremendous weight and force of train wheels without deformation. Many models are made from high-strength alloy steel with special hardening treatments. Portability is another critical feature, especially for emergency response teams. Lightweight yet sturdy designs allow for quick deployment at accident sites. Some models are foldable or modular for easier transportation. Corrosion resistance is equally important, given the outdoor working environment, leading to the use of special coatings or stainless steel components.
Application Areas
Train rerailers find application across various railway operations. They are standard equipment for railway maintenance crews who need to quickly address minor derailments during shunting operations or yard work. Emergency response teams rely on them for accident recovery, where time is of the essence to restore rail service. Industrial railways, such as those in mining or port operations, frequently use rerailers due to the higher likelihood of derailments in these environments. Some military organizations also maintain specialized rerailing equipment as part of their railway engineering capabilities for strategic mobility operations.
Maintenance and Precautions
Proper maintenance of train rerailers is essential for safe operation. Regular inspections should check for structural cracks, wear on the guiding surfaces, and any deformation that might affect performance. Moving parts, if present, should be lubricated according to manufacturer specifications. Safety precautions include ensuring the device is properly secured to the track before use and that all personnel stand clear during the rerailing operation. The train should be moved at very slow speeds (typically under 5 km/h) during the process. It's also crucial to verify that the rerailer is rated for the specific weight and wheel configuration of the train being handled.
B2B Procurement Guide
When procuring train rerailers for commercial or industrial use, several factors should be considered. First, verify compatibility with the types of trains in your operation - high-speed trains may require different specifications than freight trains. Look for certifications from railway standards organizations in your region. Consider the frequency of use and operating environment when selecting materials. For harsh climates or coastal areas, stainless steel or specially coated models may be worth the additional investment. Evaluate portability needs - some operations may benefit from lightweight aluminum models, while others might prioritize the durability of steel. Always request test reports or performance data from manufacturers to ensure quality standards are met.
Related Manufacturers
- 主营：单体液压支柱、无压风门、固定式矿车、复轨器、矿用混凝土搅拌机、炮泥机、刮板输送机、道岔、污水泵、枕木、平台灯、电控箱、g10风镐、道夹板、三用阀、电机车、扒渣机、封孔器、挡车器、振动筛、喷浆机、除铁器、密闭罐、给煤机、雾炮机、凿岩机
- 主营：单体液压支柱、金属顶梁、尼龙柱鞋、复轨器、铁柱鞋、气动葫芦、除铁器、防跑车装置、玻璃钢支柱、锚杆、U型钢支架、隔爆水袋、电缆挂钩、道岔、马丽散、无压风门、防水密闭门、避难硐室门、防火栅栏门、风筒、圆环链、三环链、连接环、阻车器、矿车、平板车
- 主营：凿岩机、卷扬机、钢丝绳、液压复轨器、矿车轮对、螺旋千斤顶、道岔、枕木
- 主营：矿用气动葫芦、矿用单体液压支柱、矿用本安型计算机、复轨器、游动天轮、气动带锯、自动苏生器、矿用皮带硫化机、气动无压风门、尼龙柱鞋、防溜枕木、矿用皮带钉扣机、矿用红外热成像仪、矿用防爆电焊机
- 主营：单体液压支柱、金属顶梁、柱鞋、人字形复轨器、刮板机配件、皮带机配件、风门
- 主营：炸药箱、卸料站、卡簧盖、复轨器、电机车、扒渣机、连接销、花架车、复轨机、电瓶车、防脱座、三环链、挡车器、万能链、外挡盖、轴架箱、围栏车、空心轮、卸载臂、卸载台、卸载轮、火车轮、卸料车、巷道车、实心轮、存放箱
- 主营：复轨器、军盾火工品
- 主营：防水密闭门、无压风门、单体液压支柱、复轨器、油枕木、刮板机配件、双速绞车、隔膜泵、耙斗装岩机、风筒、压风自救装置、圆环链、金属顶梁、电机车、调度绞车、尼龙柱鞋、液力耦合器、托辊、翻斗式矿车、回柱绞车、风门、耙矿绞车、气动葫芦、隔爆水袋、给煤机
- 主营：装岩机、凝胶泵、支撑钢、高铁复轨器、减速机、卷扬机、洒水车、渣土车、喷雾机、pdc钻头、集便器、割煤机、电动机、调整器、扳道器、砂浆泵、刷靴机、锁轨器、装药器、喷浆机、真空泵、千斤顶、电源箱、封包机、稳压器、破碎斗
- 主营：无极绳绞车配件、阻燃编织袋、矿用门、人字形复轨器、矿山机械设备
- 主营：给煤机、扒渣机、运输车、高铁复轨器、推土机、挖掘机、运输工具、支护装备、加厚钢板、潜孔钻机、凿岩台车、运输设备、斜井人车、矿用四不像、底卸式矿车、矿山自卸车、固定式矿车、侧卸式矿车、翻斗式矿车、矿用翻斗车、回转抓岩机、柴油机铲运车、固定式矿用车、单体液压支柱、矿用风机电源、固定车箱式矿车
- 主营：振动夯、破切机、管片车、铁路复轨器、捣固机、报警仪、风煤钻、风筒布、三用阀、减速机、电机车、除雪机、铁水包、振动器、磨轨机、凿毛机、道口板、充气胎、行走轮、封孔器、介质粉、测定仪、传感器、泥浆泵、岔机芯、校正仪
- 主营：单体液压支柱、气动葫芦、无压风门、复轨器、防水密闭门、防火栅栏门、避难硐室门、金属顶梁、扒渣机、托辊、刮板机整机、刮板、单开道岔、阀柱试验台、拆柱机、跑车防护装置、耙斗装岩机、矿车、风机、电机车、电子围栏、临时支护装置、U型钢支架、耙矿绞车、矿灯充电柜
- 主营：注浆泵、注液泵、防爆摄像仪、复轨器、气体检测仪、自动隔爆装置、自救器、钻机、钻头钻杆、电机车、避难硐室、托辊、压风自救装置、铁路、排渣器、放水器、防回火、防回水回气、巷道灯
- 主营：灾区电话、矿用救护、煤矿用钻机、铁路钢轨复轨器、旧枕木、氧气呼吸器、氧气充填泵、井下自动隔爆装置 ZGJFH35型、ZDY1200S全液压坑道钻机、泥浆泵、注浆泵、快速密闭罐、矿用风机、CCZ-1000粉尘检测仪、氢氧化钙(二氧化碳吸收剂)、一氧化碳吸收剂、干燥剂、CD5多参数气体检测仪、空气呼吸器、气幕喷淋装置、矿用门、避难硐室门、矿用密闭门、防火门、车载甲烷断电仪
- 主营：矿用门、轨道工具、锚杆钻机、复轨器、喷浆机、风镐破碎镐、无压风门、给煤机、注浆机、矿用防火栅栏门、皮带硫化机、洗靴机、皮带纠偏装置、凿岩机、防溢裙板、挡尘帘、单体液压支柱、矿车轮对、轨道轮、地辊、搅拌桶、矿用电机车、皮带清扫器、皮带除铁器、料仓空气炮清堵器