SAFETY FENCE FOR EQUIPMENT TAKING-IN HATCH

摘要

PROBLEM TO BE SOLVED: To easily and safely open and restore a safety fence when equipment is carried in and out.;SOLUTION: There is provided a safety fence for equipment taking-in hatch constituted by providing a pair of guides 11, 11 which extend upward and downward to a stage part 3 of an equipment taking-in hatch 1, extending a lateral lifting shaft 21 between the pair of guides 11, 11, providing a plurality of engagement projection parts 23, 23 to both ends of the lifting shaft 21 along an outer periphery around the axis of the lifting shaft 21, providing a plurality of engagement recessed parts 13 engaging the engagement projection parts 23, 23 in parallel to the pair of guides 11, 11 along a vertical direction respectively, and fixing a fence member 30 to the lifting shaft 21 so as to move up and down the fence member 30 as the lifting shaft 21 moves up and down along the pair of guides 11, while the engagement projection part 23 and engagement holes or the engagement recessed parts 13 engage with each other, fitting a counter weight 31 which energizes the fence member 30 in the opposite direction from its lowering direction to the lifting shaft 21 or the fence member 30, and including a lifting operation part 40 for operating lifting of the fence member 30 on the stage part 3.;COPYRIGHT: (C)2014,JPO&INPIT