FIELD: machine building.
SUBSTANCE: invention relates to mechanical engineering. Claimed drive comprises moving coupling mechanism with emergency spring squeezed between its supports arranged on drive and driven sides. Emergency spring is composed of compression spring displaced along with coupling mechanism. Spacing between emergency spring supports is set by locking device under normal operating conditions. Locking device unlocked, emergency spring expands for the drive emergent operation. Note here that said locking device can be actuated by working fluid.
EFFECT: ease of implementation, lower costs.
27 cl, 11 dwg
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