Rock crusher (balance and pins)

Details Rock crusher (balance and pins) Rock crusher (balance and pins)

1998-11-11

2000-03-07

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Stationary comminuting surface or material bed

B02C 1900

Patent

active

060328894

ABSTRACT:
A rotor of a vertical shaft rock crusher is balanced by steel balls in a circular tube attached to the rotor. Ports in the rotor are protected by tungsten carbide pins encased in iron pipes at the top, bottom, and trailing lips of the ports. The pins at the top and bottom of the ports are welded to a mounting plate which is clamped in the rotor over each port. The lip pin at the trailing lip, which has a shorter life than the other pins, is held in a seat in the rotor by the mounting plate. Therefore, the lip pin may be individually replaced. A safety pin welded to the mounting plate is next to the lip pin to protect the rotor between the time the lip pin fails and is replaced.

REFERENCES:
patent: 4390136 (1983-06-01), Burk
patent: 5863006 (1999-01-01), Thrasher

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