Mechanism for controlling the elevation of a coal planer

Details Mechanism for controlling the elevation of a coal planer Mechanism for controlling the elevation of a coal planer

1983-11-30

1986-02-18

Novosad, Stephen J.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Cutter attached to endless chain or cable

299 43, E21C 2732

Patent

active

045710040

ABSTRACT:
To be able to minimize the size of the lifting cylinder, a control lever is braced against an abutment at the waste side, and hinged on its other end to the piston rod of the lifting cylinder, thereby forming a movable hinge axis. Consequently, in a normal position, the fixed hinge axes of the lifting cylinder and the control lever form a triangle of joints, with the common movable hinge axis therebetween at the inside, i.e. at the side of a control bracket. The control bracket is designed with a bent extension projecting below the conveyor extending toward the planer and forming a scraper edge which alos serves as a tilting axis for angularly positioning the conveyor with the planer. The adjusting device permits of a coal planer conveyor in height as it moves over a coal face with the planer on one side of the conveyor and a bracket secured to the opposite side wall.

REFERENCES:
patent: 3284138 (1966-11-01), Binaut
patent: 3915500 (1975-10-01), Schulusener et al.
patent: 4045089 (1977-08-01), Hauschopp et al.
patent: 4327946 (1982-05-01), Kirchbrucher et al.
patent: 4366989 (1983-01-01), Braun
patent: 4458951 (1984-07-01), Merten et al.
patent: 4462637 (1984-07-01), Rafael et al.
patent: 4492410 (1985-01-01), Schlusener et al.

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