MACHINE TO FORM AND REHABILITATE RAILWAY BALLAST AND RAILWAY ROAD BEDS

摘要

Machine (110) to form and rehabilitate railway ballast and railway road beds, which comprises a framework (11) rested on a front bogie (12) and rear bogie (13), cabs (14-15) to drive the machine during its travels, an excavation means (19) cooperating with means (20-21) to elevate and transfer materials, a riddle (22) cooperating with means (23-24-25) to transfer and discharge materials and means (26-27-28-29) to recirculate and distribute materials for re-use, the machine (10) comprising additional means suitable for the rehabilitation operations and including: - first (31) and second (32) transfer conveyors for backfill material (37) and metalling (42) respectively, - a distributor chute (33) cooperating with the first transfer conveyor (31), and discharge chutes (34-134) cooperating with the second transfer conveyor (32), - an intermediate conveyor (35) cooperating with the distributor chute (33), - discharge means (36) to discharge the backfill material (37) onto the bottom of an excavation (38), such means (36) cooperating with a rear conveyor (28), - an assembly (39) to compact the bottom of the excavation (38), such assembly (39) cooperating with the excavation means (19), - means (40) to level the backfill material (37) discharged onto the bottom of the excavation (38), - means (41) to compact the backfill material (37) discharged onto the bottom of the excavation (38), and - means (43) to spread evenly the metalling (42) discharged onto the backfill material.