Apparatus and method for replacing a bull gear on a trunnion

Details Apparatus and method for replacing a bull gear on a trunnion Apparatus and method for replacing a bull gear on a trunnion

1991-06-17

1992-06-02

Swann, J. J.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

254105, B23P 1904

Patent

active

051175460

ABSTRACT:
An apparatus for installing a new bull gear onto a trunnion shaft of a BOF, the apparatus comprising a first stop removably attached to the end face of a turnnion shaft, a gear press shaft extending through an aperture within the first stop means, the gear press shaft having a first end portion with an enlarged segment inserted into a recess provided within the trunnion shaft, a second stop adjustably attached to a second end portion of the gear press shaft, a gear press plate removably attached to the gear and encircling the gear press shaft between the first and second stops and a jack means located between the gear press plate and the second stop.

REFERENCES:
patent: 2488478 (1949-11-01), Pine
patent: 2509305 (1950-05-01), Landis
patent: 2573567 (1951-10-01), Hancock
patent: 3056477 (1962-10-01), Wooley
patent: 4212450 (1980-07-01), Lambert
patent: 4214362 (1980-07-01), Beard
patent: 4328608 (1982-05-01), Gibson
patent: 4768835 (1988-09-01), Kalantarov et al.

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