LOAD-LIFTING CRANE CABIN BODY Russian patent published in 2004 - IPC

FIELD: mechanical engineering; tower cranes. SUBSTANCE: proposed cabin body has floor, front, and side front walls tilted relative to longitudinal axis of cabin, side and rear walls and also front and rear pillars. Floor, front, side and rear walls and ceiling are formed by outer and inner sheets with flanges at ends. Each front pillar is made chute-like in cross section in open part of which flanges of outer sheets of side walls are arranged. Each rear pillar is made step-like in cross section, and flanges of outer sheets of rear and side walls are fitted on steps. Ends of outer sheets of rear, side and front walls are arranged between flanges on end of outer of ceiling and flange of inner sheet of ceiling. Floor is made of inner and outer sheets forming closed contour in longitudinal section of cabin which are connected with outer sheets of front, side and rear walls. Over perimeter of apertures, mating members for windows and door are made which are connected to each other. Said members are provided with two sections perpendicular to each other. EFFECT: improved manufacturability of body. 10 cl, 6 dwg