HOISTING CRANE PARTICULARLY, BRIDGE CRANE OR GANTRY WITH CRANE JIB

摘要

FIELD: transport.;SUBSTANCE: hoisting crane comprises at least one horizontal jig of lattice structure. The latter comprises multiple stiffness elements to bind the jig top and bottom chords. It supports the crane trolley with hoisting mechanism turning thereon. Inclined stiffness elements are composed of flat straps. Every inclined flat element has the main flat surface directed across crane jib lengthwise axis and features the long shape. Note here that it is provided with at least one lateral flange on at least the part of its length. The width of inclined elements is larger than half the width of the crane jig.;EFFECT: perfected design of the crane jig.;38 cl, 7 dwg