Conveyors: power-driven – Conveyor section – Endless conveyor
Patent
1987-02-12
1991-10-08
Spar, Robert J.
Conveyors: power-driven
Conveyor section
Endless conveyor
198834, B65G 2344
Patent
active
050546074
ABSTRACT:
A drive station for a longwall conveyor includes a sprocket wheel mounted in the drive head of a machine frame and with a drive unit flanged to the sprocket wheel. The lateral walls of the machine frame are formed in the region of its drive head as guide cheeks with guide recesses for bearing cheeks displaceably guided therein in longitudinal haul direction, between which (cheeks) the sprocket wheel is mounted. The bearing cheeks are connected together by a traverse. A chain tensioning device works against the traverse. For the drive chain of a winning machine a second drive unit is provided, which is likewise mounted displaceably in longitudinal haul direction and is acted upon by a chain tensioning device. In this manner the conveyor chain and the drive chain e.g. plane chain, can be tensioned independently of each other while obtaining a short machine frame design.
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Braun Ernst
Braun Gert
Dayoan D. Glenn
Halbach & Braun Industrieanlagen
Spar Robert J.
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