Краны мостовые

22 июля 2015г. - 12:24 3271 просмотров


Краны мостовыеКран-балки опорные — это кран мостового вида исполнения. Ходовые колеса в этой конструкции имеют ход по подкрановым рельсам. Рельсы могут быть выполнены в различных вариантах в зависимости от грузоподъемности крана. Опорные крановые балки выполняются длиной от 4 м до 28 метров.

Балки менее 10.5 метров имеют двутавровое сечение, а краны более 10.5 м нуждаются в усилении балки устройством подкосов. Увеличения несущей способности балки, проводят работу по усилению верхнего пояса. Иногда пролетную балку изготавливают с перфорацией. Такие балки имеют запас прочности и легче чем обычные. При превышении пролета балку можно усилить дополнительной трубой.


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