FIELD: nuclear power engineering.
SUBSTANCE: refueling machine has telescopic rod with grip. The latter is controlled by rope drive. Inner section of rod has slider with rocking grip. The latter is loosely mounted on same axle as rope pulley. Axle of other rope pulley is secured on rocking grip. Rope is passed through both pulleys and presses rocking grip to stop due to tensile force of rope. The latter is joined with slider through spring which presses rocking grip to other stop in absence of tensile force of rope. In case of failure of grip control element refueling operation is ceased and grip is disengaged from fuel assembly.
EFFECT: enhanced safety in operation.
1 cl, 6 dwg
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