FIELD: manufacture and maintenance of large steam turbines.
SUBSTANCE: device has traction means for lifting valve rod and dynamometer designed for measuring displacement force and, hence, frictional force on rod. Traction means is made in the form of cross-member hinged on two supports, one of them being free to move in vertical direction with aid of jack. Suspended from cross-member is load-lifting bond with dynamometer designed for gripping rod head.
EFFECT: enhanced reliability, facilitated manufacture and servicing.
1 cl, 1 dwg
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