FIELD: machine building.
SUBSTANCE: here is disclosed mechanism of installation of cover of container (box) with spent nuclear fuel, on rotary shaft of which there is arranged head with yoke. The head performs restricted turn relative to the shaft. Also the said mechanism is equipped with a drive for cover grip. A rotary screw of the drive is installed in movable sleeves; a nut performs linear displacement along the screw and is equipped with a slot for a key secured on the yoke. The yoke of the head is furnished with a movable sleeve for linear displacement. The movable sleeve is equipped with conic rollers to facilitate grip alignment relative to the container (box). A vertically travelling plunger is installed in the grip. The grip plunger has a finger for opening a lock of the container (box) cover and rotary levers to maintain the cover, when it is lifted and moved aside, for installation of cover into initial position and for closing the container with the cover.
EFFECT: raised operational reliability of mechanism.
8 cl, 7 dwg
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