FIELD: metallurgical engineering. SUBSTANCE: electrohydraulic drive has hydraulic system for motion of working members 14 and 16, hydraulic system for rotation of drive shafts 15 and 17 and control unit made in form of two programmed controllers 1 and 2 with current-setting resistors 9 which control stepping motors 3-7 of hydraulic boosters 10 and 11 and three-line flow regulator 28. Flexible shafts 14 and 16 are fitted on swivel levers 22 connected with hydraulic cylinders 12 and provided with tooth sectors 23 which are engageable with gears 24 kinematically linked with hydraulic boosters 10 and 11. EFFECT: enhanced reliability. 2 dwg
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Authors
Dates
1994-02-15—Published
1992-05-22—Filed