Guide and drive arrangement for the winning machines of mineral

Details Guide and drive arrangement for the winning machines of mineral Guide and drive arrangement for the winning machines of mineral

1996-04-15

1997-12-23

Bagnell, David J.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Sidewall-working

105 291, E21C 2902

Patent

active

057000611

ABSTRACT:
A mineral winning installation employs a shearer which is moved along a scraper-chain conveyor compound of individual pans mounted end-to-end. the shearer extends over the conveyor and is guided by guides provided at both sides of the conveyor. The body of the shearer has a driven chain wheel which meshes with an open-link chain serving as a rack abutment and laid on a bed alongside the side walls of the conveyor pans adjacent the mineral face. The side walls of the pans have upper and lower flanges which have strip-like projections directly outwardly from the pans. The chain is retained by the strip-like projections of the upper flanges of the pan side walls which overlap one side of the horizontal links and detachably hold-down strips which overlap the other side of the horizontal links. the hold-down strips are mounted for swivelling to release the chain links are detachably mounted to the support bars fixed to the support members.

REFERENCES:
patent: 4372619 (1983-02-01), Braun
patent: 4501447 (1985-02-01), Tatton et al.
patent: 5161858 (1992-11-01), Braun et al.
patent: 5547262 (1996-08-01), Braun et al.
patent: 5580135 (1996-12-01), Braun et al.

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