DEVICE FOR ADJUSTING A CUTTING HORIZON OF A COAL-GETTING MACHINE, PARTICULARLY OF A COAL-GETTING PLOUGH

DEVICE FOR ADJUSTING A CUTTING HORIZON OF A COAL-GETTING MACHINE, PARTICULARLY OF A COAL-GETTING PLOUGH

A mineral mining installation has a plough guided for movement along a scraper-chain conveyor. Roof supports are connected to the conveyor with the aid of shifting mechanisms which employ boom-type guide linkages designed to co-operate with a compact controller to adjust the tilt of the conveyor and...

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1. Verfasser: RASSMANN CHRISTOPH
Format: Patent
Sprache:eng
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
MINING
MINING OR QUARRYING
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creator RASSMANN CHRISTOPH
description A mineral mining installation has a plough guided for movement along a scraper-chain conveyor. Roof supports are connected to the conveyor with the aid of shifting mechanisms which employ boom-type guide linkages designed to co-operate with a compact controller to adjust the tilt of the conveyor and the cutting horizon of the plough. The controller employs a plate-like guide block guided for up and down motion at the goaf side of the conveyor. An hydraulic piston and cylinder unit is disposed alongside the goal side of the conveyor and pivots a cranked lever to raise or lower the guide block. The guide block is coupled to a headpiece of an associated one of the boom linkages so that the motion of the guide block is transferred to the headpiece.
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subjects EARTH DRILLING
FIXED CONSTRUCTIONS
MINING
MINING OR QUARRYING
title DEVICE FOR ADJUSTING A CUTTING HORIZON OF A COAL-GETTING MACHINE, PARTICULARLY OF A COAL-GETTING PLOUGH
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