Anti-spin mechanism for gyratory crusher

Details Anti-spin mechanism for gyratory crusher Anti-spin mechanism for gyratory crusher

1996-04-18

1998-03-31

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

B02C 204

Patent

active

057328960

ABSTRACT:
A gyratory crusher includes an anti-spin mechanism which couples a lower end of the eccentric shaft of the crusher to the stationary frame of the crusher so as to prevent the eccentric shaft and associated crushing head from spinning when the crusher is not subject to a crushing load. The anti-spin mechanism includes 1) a gear train preferably formed from two sets of intermeshing gears, and 2) a torque limiter which is coupled to the gear train and which releases upon the imposition of a crushing load on the crusher so as to permit relatively slow rotation of the eccentric and crushing head counter to the direction of rotation of the main drive gear or bull gear.

REFERENCES:
patent: 1523674 (1925-01-01), Torrance
patent: 1641776 (1927-09-01), Newhouse
patent: 3207449 (1965-09-01), Johnson
patent: 3743193 (1973-07-01), DeDiemar et al.
patent: 3750809 (1973-08-01), DeDiemar et al.
patent: 4037800 (1977-07-01), Coxhill
patent: 4206881 (1980-06-01), Werginz
patent: 4467971 (1984-08-01), Schuman
patent: 4666092 (1987-05-01), Bremer
patent: 4779808 (1988-10-01), Graf
AAC Manual 4020, American Autogard Corp., Installation and Maintenance Manual, Autogard Torque Limiter 400 Series, pp. 1-8.

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