EMERGENCY BRAKE FOR LIFTING MECHANISMS Russian patent published in 1995 - IPC

Abstract RU 2043295 C1

FIELD: load lifting devices. SUBSTANCE: emergency mechanism has drive shaft 3, spring brake disk with brake sleeve 5, with brake disk being kinematically connected with releasing device. Brake has additional shaft 2 kinematically connected with drive shaft 3 and carrying brake disk 4 with threaded sleeve 5 and auxiliary brake 9. Releasing device mounted on shaft 2 has drive semi-coupling 6 and driven semi-coupling 7, which are movable one with respect to the other. Semi-couplings 6 and 7 are provided with interacting thrusts and springs positioned along circle arc of semi-couplings. Auxiliary brake 9 has brake drum made in the form of semi-coupling 7. EFFECT: increased efficiency and enhanced reliability in operation. 2 dwg

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RU 2 043 295 C1

Authors

Pavlovskij Ju.N.

Negin G.V.

Kolesov V.A.

Kosenkov E.V.

Beljaev L.V.

Dates

1995-09-10—Published

1991-12-20—Filed