The sound arresting step board set for reform which changes the step board of the steel-frame make flight into the sound arresting step board

摘要

(57) Abstract Topic Including retrofitting to the existing steel-frame make flight at the time of ascent and descent rawBeing attenuated the ji ru metal specific high cycle vibration, generation of noiseBe able to prevent effectively, the step board of the steel-frame make flight in the sound arresting step board substitutionThe sound arresting step board set for reform which you obtain. SolutionsTread section 4 of the step board 4 which is supported in bridgeboard 3Stud bolt 6 to be welded in the multiple places of a, step board 4For stud bolt it passes to tread section 4a and the going out where the hole is drilledRubber plate 7 for sound to be mounted, furthermore on that the studAs for volt/bolt it passes and the hole is drilled, the surface edge of step point sideProvides level adjustment material 8 for the edge the step board cover plate 9 which CarryThe position to be done, nut 10 concluding in each stud bolt 6Step board cover plate 9 and rubber plate 7 for sound arresting step board 4To be locked by tread section 4a, the opening and the step around nut 10In opening around board cover plate 9 waterproof caulkingTo be done, on step board cover plate 9 level adjustment material 8 highTogether, be able to provide facing 11, level adjustment material 8Angle condition brace 12 is stuck is covered stopping.