MODULAR ASSEMBLY FOR HANDLING EXCAVATING EQUIPMENT FOR EXCAVATING MACHINES, EXCAVATING MACHINE, METHOD FOR CONVERTING THE EXCAVATING CONFIGURATION OF AN EXCAVATING MACHINE

摘要

Modular assembly for handling excavating equipment for various excavating configurations of an excavating machine comprising: a first rotating table (2c) comprising: a main body (50); one or more motors (19, 20) associated with the main body (50), each of the motors being equipped with a pinion (21); at least one bearing (22) having a fixed ring (55) constrained to said main body (50) and a movable ring (54) that is coaxial and rotatable with respect to the fixed ring (55); a dragging sleeve (24) integrally coupled with the movable ring (54) coaxially to the at least one bearing (22); a ring gear (58) integrally and coaxially coupled with the dragging sleeve (24) and provided to engage with the pinion (21) so as to be moved in rotation by the motors (19, 20) rotating integrally with the dragging sleeve (24) and integrally with the movable ring (54); a second rotating table (17) adapted to be coupled to a continuous excavating propeller (9, 9b, 9c); a plurality of accessories (27, 29, 31) able to be associated with the first rotating table (2c) so it can be selectively coupled to a telescopic Kelly rod (5) in a first of the excavating configurations, or to a continuous excavating propeller (9, 9b, 9c) in a second of the excavating configurations or to a casing and excavating pipe (15, 15b, 15c) in a third of the excavating configurations.