PANTOGRAPH EQUIPPED WITH THE RISING HEIGHT RESTRICTION DEVICE CAPABLE OF PREVENTING THE DAMAGE ACCIDENT OF A SUBWAY FACILITY, A SPAN-WIRE, AND THE PANTOGRAPH

摘要

PURPOSE: A pantograph equipped with the rising height restriction device is provided to prevent the damage of the pantograph and a subway facility by restricting the pantograph under the height of a span wire.;CONSTITUTION: A stopper means is combined with a bellows fixing bracket(420). The stopper means comprises a bolt(610) having no head which is lengthily projected in the lower part of a bottom arm(210). The stopper means comprises the heartwood portion(620) which is screwed up with the bolt and the contact portion(630) which covers the heartwood portion. The heartwood portion is formed into the Teflon corresponding to a hard non-elastic material. The heartwood portion is installed between a pantograph bottom arm and the air bellows(400) of an air bellows drive assembly. The contact portion is formed into foam silicon corresponding to an elastic material.;COPYRIGHT KIPO 2012