Mining shovel ballast box connection method and apparatus

Details Mining shovel ballast box connection method and apparatus Mining shovel ballast box connection method and apparatus

1985-06-24

1986-09-02

Rosenbaum, Mark

Metal working

Method of mechanical manufacture

With separating, localizing, or eliminating of as-cast...

414719, 212195, B23P 1900, B66C 2376, B66C 2300

Patent

active

046087435

ABSTRACT:
The ballast box of a power mining shovel is coupled to the rotating frame by two pins installed through orifices in parallel plate projections extending from the ballast box and corresponding eye projections on the main rotating frame. In addition, the feet of the gantry rear legs are pinned through second orifices in the same parallel plate projections from the ballast box such that the force generated down the center of the longitudinal axis of the gantry rear leg is coupled through the centers of both of the orifices in the parallel plate projections.

REFERENCES:
patent: 3266636 (1966-08-01), Dorn
patent: 3533524 (1970-10-01), Wilcox
patent: 3795330 (1974-03-01), Jorgensen et al.
patent: 4081081 (1978-03-01), Morrow et al.
patent: 4402413 (1983-09-01), Sickler
patent: 4537423 (1985-08-01), Nan

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