Method for fabricating an excavator base

Details Method for fabricating an excavator base Method for fabricating an excavator base

E - Fixed Constructions

02

F

E02F 9/08 (2006.01) B23K 31/02 (2006.01) B23K 37/00 (2006.01) E02F 9/02 (2006.01)

Patent

CA 2268994

An excavator base is fabricated on-site by first erecting a substructure of beams on a concrete foundation. Large flat plates are placed on the substructure, welded together at their adjacent edges, and cut at a perimeter to form a bottom plate. A prefabricated center section is welded to the bottom plate. Upright diaphragms and edge plates are assembled on the bottom plate and welded to each other and to the bottom plate. Large flat plates are assembled on the top of the diaphragms, and edge plates, and are welded thereto and to each other. The welded plates are cut at a perimeter to complete a top plate. The base is then removed from the substructure. Alternately, the top plate can be formed on the substructure first and then removed and set aside for later use. Adjacent plates are held flat for welding using brackets and wedges.

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