GEAR TIGHTENING HEAVILY LOADED THREADED CONNECTIONS OF LARGE DIAMETER
FIELD: assembly and mounting of heavily loaded equipment with threaded connection. SUBSTANCE: gear tightening heavily loaded threaded connections of large diameter includes wrench to turn nut, support placed on mounted part and embracing tail part of stud 3 to be tightened with nut 4 screwed on it i...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | FIELD: assembly and mounting of heavily loaded equipment with threaded connection. SUBSTANCE: gear tightening heavily loaded threaded connections of large diameter includes wrench to turn nut, support placed on mounted part and embracing tail part of stud 3 to be tightened with nut 4 screwed on it in advance and high-pressure hydraulic chamber installed above cross-piece 10 between two plates, lower one being resting against upper end face of sleeve. Tightening studs with nuts on tail parts pass through plates and cross-piece, adjustment nuts being screwed on intermediate sections of tightening studs located between lower plate and cross-piece. Disc springs are placed between the latter and lower plate. Coupling bolt with threaded coupling 13 joined to tail part of tightened stud or bolt is put into central hole of cross-piece. EFFECT: enhanced quality and reliability of threaded connections. 3 dwg |
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