Mineral mining installations

Details Mineral mining installations Mineral mining installations

1986-09-16

1987-12-29

Leppink, James A.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Sidewall-working

299 34, E21C 3520

Patent

active

047156597

ABSTRACT:
A mineral mining installation employs a scraper-chain conveyor constructed from individual pans joined end-to-end and a plough having a drive plate running beneath the conveyor and on a skid bed formed as a sub-frame structure on the floor of the working. The drive plate is connected via guide means to the haulage run of a chain in a lower guide passage at the side of the conveyor opposite to the plough. An upper guide passage accommodates the return run of the chain. The passages are defined by a guide structure fitted to the side walls of the pans and includes detachable covers which can be removed for access purposes. At least some of the covers are linked with the sub-frame structure with the aid of tongue-and-groove connections. These connections permit limited movement of the pans and guide structure relative to the sub-frame structure longitudinally of the conveyor and limited raising and tilting movements of the side walls of the pans opposite the machine and the covers relative to the sub-frame structure as the drive plate passes along the conveyor.

REFERENCES:
patent: 4205882 (1980-06-01), Hauschopp et al.
patent: 4391471 (1983-07-01), Hauschopp et al.
patent: 4474411 (1984-10-01), Peters et al.
patent: 4607890 (1986-08-01), Merten et al.

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