METHOD AND APPARATUS FOR LOCKING THREADED JOINT

machine engineering, possibly locking threaded joints for mounting sealing lids of containers for transportation and(or) storage radioactive materials. SUBSTANCE: method comprises steps of tightening nut and subsequently fixing mutual position of nut and threaded rod with the aid of locking washer o...

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Bibliographische Detailangaben
Hauptverfasser:	KULAGIN E.V, MATVEEV A.A, GUS'KOV V.D, KHODASEVICH K.B, KRJUKOV V.JA, BORODUL'KO G.A
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	BLASTING DECONTAMINATION ARRANGEMENTS THEREFOR DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING NUCLEAR ENGINEERING NUCLEAR PHYSICS PHYSICS PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT THERMAL INSULATION IN GENERAL TREATING RADIOACTIVELY CONTAMINATED MATERIAL WEAPONS
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Beschreibung
Zusammenfassung:	machine engineering, possibly locking threaded joints for mounting sealing lids of containers for transportation and(or) storage radioactive materials. SUBSTANCE: method comprises steps of tightening nut and subsequently fixing mutual position of nut and threaded rod with the aid of locking washer of metallic sheet material by means of engaging members provided on nut and threaded rod respectively. Before joining nut and threaded rod, locking washer is placed on nut and it is fixed against axial motion and rotation relative to nut. Then nut is tightened at providing guaranteed predetermined distance between end of threaded rod and locking washer; locking washer by means of punch is pressed on end engaging member of threaded rod. Apparatus for locking threaded joint includes threaded rod, nut and locking washer of metallic sheet material placed on nut and fixed against axial motion and rotation. Locking washer includes members engaging with respective engagement members provided on nut and on end of threaded rod. Locking washer is plastic one. Nut has opening for punch for pressing locking washer on end engaging member of threaded rod after tightening nut. Threaded rod and nut are made in such a way that after tightening nut, end of threaded rod does not protrude outside surface supporting locking washer on nut. EFFECT: possibility for remote locking of threaded joint at simultaneously enhancing radiation safety. 10 cl, 4 dwg