FIELD: railway transport.
SUBSTANCE: in compliance with first version, proposed method comprises lifting the tract above designed level, ballast is compacted, and rail track is lowered into designed position by vertical load. In compliance with second version, vertical load for said rail track lowering is applied, in tamping zone, to tamped tie in interval between starting tamping tool to lift and moving it to another tie. Vertical load of rail track compaction varies from 35 t to 100 t and reaches maximum tolerable train load. Tie-tamper comprises a frame resting upon rail bogies, tamping tools arranged on both sides of tie-tamper lengthwise axis. Vertical load generator is mounted on moving frame lower beam along vertical axis of tamping unit symmetry and develops compaction load of 35 t to 100 t.
EFFECT: higher quality of tie tamping, higher efficiency of tie-tamper.
4 cl, 1 dwg
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