论文部分内容阅读
3.4道岔冬季期间,由于道岔不能正常工作引发的问题是导致基础设施紊乱最常见的原因。北欧国家在道岔处安装了特殊的防雪保护装置,减少道岔处的积雪量,保持二尖轨之间区域无障碍。不幸的是,该保护装置不能完全盖住活动部件。列车运行速度较高时,很显然防雪保护装置不能正常工作。列车上掉落的冰块撞击防雪罩,以及通过列车下方的强烈气流,会导致防雪保护装置破成碎片和/或出现部件松动。近年来,在用防雪罩的数量在减少,尤其是在高速
3.4 Turnouts During winter, the problems caused by the inability of the switches to work are the most common causes of infrastructure disturbances. The Nordic countries have installed special snow protection devices at the turnouts to reduce the amount of snow in the turnout and to keep the area between the two sharp rails free of obstacles. Unfortunately, the protection does not completely cover the moving parts. When the train speed is high, it is clear that the snow protection device can not work normally. Ice falling on the train hits the snow cover, as well as passing a strong air flow under the train, can cause the snow protection device to break into pieces and / or loose parts. In recent years, the number of snow guards in use has been declining, especially at high speeds