ES180224U - Chassis for self-propelled cranes. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Chassis for self-propelled cranes, characterized by the fact of being constituted by tubular assemblies obtained by folding and welding sheets and/or tubes, there being two parallel beams, of variable section, according to the stresses to be supported in each area, joined said beams by crossbeams, also tubular, of which one, end, protrudes from both sides and presents an open and simple arrangement, while at the other end, and in the middle zone, two other crosspieces also protrude on both sides, present a complex constitution with internal partitions and arrangement of castillete, being located below the general assembly of the frame, with a passage over them for the transmission, being located the platform for settlement of the rotating part of the crane between these two last crosspieces, existing in said zone of settlement three more crosspieces, of important width, one of them in the area of the center of rotation, completing the set of crossbeams is joined to two others of smaller width located between the one mentioned first and the one that follows it, also outstanding on both sides, the mentioned platform being also constituted by an annular track that projects on both sides, in whose protruding parts it is reinforced inferiorly by two brackets, presenting to its lateral ends the two mentioned greater crosspieces and respective fork arrangements, with other analogous arrangements under these, precisely by the lower parts. (Machine-translation by Google Translate, not legally binding)