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    • 10. 发明授权
    • Railroad switch lubricator
    • 铁路开关润滑器
    • US07513335B2
    • 2009-04-07
    • US10447635
    • 2003-05-29
    • Sudhir Kumar
    • Sudhir Kumar
    • B61K3/00
    • B61K3/00E01B7/26
    • This invention is an electro-hydraulic system to automatically lubricate railroad switches and enhance their performance. The lubrication covers switch plates, switch rods, switch points, the base of stock rail adjacent to switch rail and the top of both switch and stock rails. Wear and tear of the switch rail and lateral creep force impact are thus reduced and the switch operates smoothly. Switch related derailments, rail fractures and maintenance labor will be reduced significantly. A pressurized tank with a microprocessor controller, placed on the wayside, supplies an environmentally acceptable smooth-flowing lubricant via hoses or pipes to two nozzle holders with check valves mounted with special brackets a short distance from the switch point on both rails. Lubricant is sprayed with one or more nozzles on each rail switch to cover all or part of the switch length. One or two solenoid valves in the flow lines control the quantity of lubricant applied in each shot and the frequency of application. The solenoid valves are controlled by the programmed microprocessor. An air bubble eliminator trap is placed at a high point in the flow line to remove air trapped in the flow line and enable development of nozzle pressures comparable to the tank pressure. Thus an automatic and efficient new method of enhancing the performance of rail switches is achieved.
    • 本发明是一种自动润滑铁路开关并增强其性能的电液系统。 润滑剂包括开关板,开关杆,开关点,与开关导轨相邻的导轨底座以及开关和库存轨道的顶部。 因此,开关导轨的磨损和横向蠕变力冲击减小,开关平稳运行。 切换相关脱轨,铁路骨折和维修人员将大幅度减少。 带有微处理器控制器的加压罐放置在路边,通过软管或管道向两个喷嘴座提供环保可接受的流畅润滑剂,其中止回阀安装有与两个导轨上的开关点相距很短的特殊支架。 润滑剂在每个导轨开关上喷射一个或多个喷嘴以覆盖开关总长度的全部或部分。 流量线中的一个或两个电磁阀控制每个镜头中施加的润滑剂的数量和施加的频率。 电磁阀由编程微处理器控制。 气流消除器陷阱放置在流动管线的高点,以除去捕获在流动管线中的空气,并且能够开发与罐压力相当的喷嘴压力。 因此,实现了提高轨道交换机性能的自动且高效的新方法。