FIELD: closing and opening large valves.
SUBSTANCE: proposed drive is provided with engine which acts on threaded rod by means of transfer mechanism. Nut of transfer mechanism is screwed on threaded rod. Transfer mechanism is provided with clutch consisting of two members which are thrown into engagement by means of toothed rim of one member and toothed rim of other member. One member is movable in axial direction during rotation of said member relative to each other. Shifting member is connected with switch.
EFFECT: automatic adjustment of valve to different valves.
14 cl, 5 dwg
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