基于ABAQUS的塞拉门可加热密封条设计
2020-08-13常杰苏悦顾可
常杰 苏悦 顾可



摘 要:塞拉门是铁路客车的重要组成部分,经过国产化的研究与发展,目前国产塞拉门已经十分成熟,在运行过程中,塞拉门能否保证其良好的开启和关闭状态至为关键,但客运列车在北方严寒季节运用时,塞拉门容易受雨雪和冰冻的影响。文章在原有基础上改进塞拉门密封条,设计了一种可智能加热的密封条,解决了密封条与塞拉门之间结冰问题。
关键词:塞拉门;密封条;智能加热
中图分类号:U270 文献标志码:A 文章编号:2095-2945(2020)24-0034-03
Abstract: The sliding plug door is an important part of the railway passenger car. After the research and development of localization, the domestic sliding plug door has been very mature. In the process of operation, it is crucial whether the sliding plug door can ensure its good opening and closing state. However, when passenger trains are used in the northern cold season, sliding plug doors are easily affected by rain, snow and freezing. In this paper, the sealing strip of the sliding plug door is improved on the basis of the original, and a kind of sealing strip which can be heated intelligently is designed, thus solving the icing problem that may happen between the sealing strip and the sliding door.
Keywords: sliding plug door; sealing strip; intelligent heating
1 概述
塞拉门的密封性能保证乘客的乘坐舒适度,同时降低车内噪音与运行阻力,因此提高列车塞拉门密封性能至关重要。而塞拉门门扇的密封胶条则是实现车门密封的重要组件,因此,合理的塞拉门密封胶条设计,将影响塞拉门整体性能。
我国幅员辽阔,各地的自然条件差异较大,客运列车在严寒季节运用时,因为受雨雪和冰冻的影响,塞拉门常出现无法正常开启或关闭的现象,这不仅影响了乘客上下车,极大地降低了客车乘坐的舒适度,更严重者,还会导致塞拉门的密封性能降低。密封较差甚至失效,使得塞拉门门框周边的气动与电动元件在低温下无法动作,进而使车辆气动系统、电控系统处于作用不良甚至瘫痪。有时手动解锁装置也无法克服导轨或密封的冰冻阻力,使塞拉门手动开关作用不良。而在车辆运用过程中,塞拉门的开闭十分频繁,如此恶性循环会造成塞拉门在运行中无法完全关闭,更有甚者塞拉门的缝隙达到了100mm以上,这对乘客的人身安全造成了很大的威胁。……
