FIELD: compacting ballast of railway. SUBSTANCE: track-packing unit has frame 1. Vertical slideways 2 of the frame has frame 3 movable in vertical direction, and vibration drive 5. Rotary levers 6 and 7 with fixed packers 8 and 9 are installed on the vibration drive. Rotary levers 6 and 7 are fastened through hinges 10 and 11 to drives 12 and 13 used to turn the packers. The packers are fastened through hinges 14 and 15 to beam 16. Rotary levers 19 and 20 are fastened to hinges 17 and 18 of beam 16. The rotary levers are connected through hinges 21 and 22, and drives 23 and 24 to turn packers with rotary levers 6 and 7. Packers 27 and 28 are fastened in the lower part of rotary levers 19 and 20. Packers 27 and 28 together with packers 8 and 9 make contacts with ballast layer 29 being compacted in the area of sleepers 30 and 31. Packers 8 and 9 execute synchronous oscillation of elliptic shape, and packers 27 and 28 execute oscillations close to straight line. EFFECT: high quality. 2 cl, 2 dwg
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