FIELD: machine building.
SUBSTANCE: invention relates to machines for compaction of soil and road-construction materials and can be used as compaction for compaction of soil. Girder consists of two opposed pistons arranged in cylinder and forming together a combustion chamber. In upper part of cylinder there are two levers in contact with rod of upper piston and with rod of impact part. Upper part of upper piston and lower part of lower piston together with upper and lower part of cylinder form compressor. Cylinder is equipped with a receiver.
EFFECT: invention eliminates jumping and doubles the force of impact of ramming.
1 cl, 1 dwg
