FIELD: machine building.
SUBSTANCE: invention relates to the boom machines, namely to the single-bucket excavator and front loaders of cyclic operation. The energy-saving device of the boom machine is suggested: energy-saving cylinder, gas bottle, hydraulic distributor, stock cavity of the energy-saving cylinder. At that, the piston cavity of the compensating hydraulic cylinder is connected directly through the hole in the casing wall with the casing of the gas bottle, and stock cavity of the energy-saving cylinder is connected through the hydraulic distributor with the drain main. At that, the total volume of the gas cavity of the energy-saving cylinder and gas bottle exceeds two volume of the work stroke of the energy-saving cylinder.
EFFECT: simple design, exclusion of energy losses during rising of the gravity forces of the work equipment, reduction of the energy and fuel consumption by the internal combustion engine.
5 dwg
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