Conveyors: power-driven – Conveying system having plural power-driven conveying sections – Including non-driven means for moving load relative to conveyor
Patent
1986-12-02
1988-08-30
Massie, Jerome
Conveyors: power-driven
Conveying system having plural power-driven conveying sections
Including non-driven means for moving load relative to conveyor
198606, 299 64, B65G 4776
Patent
active
047669926
ABSTRACT:
Apparatus for hauling mined coal in a subsurface mining operation with a longwall conveyor, a drift conveyor and a cross frame with stripper for the connection of the longwall conveyor with the drift conveyor. The longwall conveyor and the drift conveyor are designed as chain scraper conveyors and include a conveyor trough with trough bottom and trough sidecheeks, pushers guided in the sidecheeks, and at least one pull chain with which the pushers are connected and which runs in the region of the trough center at least in the case of the longwall conveyor. On the side away from the lateral discharge, the pushers are guided in a guide trough continuing the associated trough sidecheek. A track-in device for disengaged pushers of the longwall conveyor running with one arm on the trough sidecheek is provided, which comprises a track-in cutout in the trough sidecheek. The track-in device is disposed in a hauling direction directly before the stripper and comprises, beginning in the region of the track-in cutout, a lowered trough bottom which leads via a trough sidecheek cutout into the drift conveyor. A stripper acts as an engaging element which covers the lowered trough bottom toward the guide rail and the guide rail connects with the level of the lowered trough bottom via a step passable by the pushers or via an appropriate transition.
REFERENCES:
patent: 3367717 (1968-02-01), Rosler et al.
patent: 4586753 (1986-05-01), Braun et al.
patent: 4673079 (1987-06-01), Grundken et al.
Braun Ernst
Braun Gert
Halbach & Braun Industrienlagen
Massie Jerome
Smith Matthew
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