FIELD: industry and agriculture; hydraulic power drives.
SUBSTANCE: impact valves designed for building in chambers series of straight hydraulic hammers shifted in time, with preservation of steady movement are arranged in parallel taps of feed pipe between all throttle valves. Chambers are connected with working chamber by successively opening of throttle valves with including of volume of their chambers into volume of working chamber. To control operation of motor at partial load and idling, it is furnished with locking forks fitted in slots, tie-rods and levers limiting of impact valves provided with hollow chambers in lower part. Invention is aimed at increasing efficiency of utilization of energy of hydraulic hammer maximum pressure to set crankshaft into rotation.
EFFECT: possibility of control of operation at reduced or increased load and at idling, reduced metal usage.
2 cl, 6 dwg
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