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一、前言 在西日本旅客铁道公司铁道本部直属最近时期发生的信号设备故障中,电动道岔转动失灵件数,1987年度108件,1988年度152件,1989年上半年93件,呈上升的趋势。其中,因介入铁片、铁粉其它异物及缺油约占50％。 在铁道本部直属的草津信号通信区管内,1987年发生8件,1988年13件。其共同的特点是,在滑床板上有伤痕。于是,草津信号通信区利用实验设备,对电动道岔转动失灵的原因进行了试验研究。
I. INTRODUCTION In the signaling equipment failure that occurred recently in the railroad headquarters of the West Japan Passenger Railway Company, the number of malfunctioning of electric switch was 108 in 1987, 152 in 1988 and 93 in the first half of 1989, which showed an upward trend. Among them, due to interventional iron, iron and other foreign matter and lack of oil accounted for about 50%. In the Kusatsu signal communication area directly under the railway headquarters, eight occurred in 1987 and 13 in 1988. The common feature is that there are scars on the deck. As a result, the Kusatsu signal communication area using experimental equipment, the reasons for the failure of the electric turnout was tested.