Mining or in situ disintegration of hard material – Hard material disintegrating machines – Sidewall-working
Patent
1995-01-23
1996-08-20
Bagnell, David J.
Mining or in situ disintegration of hard material
Hard material disintegrating machines
Sidewall-working
105 291, E21C 2902
Patent
active
055472613
ABSTRACT:
In longwall conveyors 1 with a lantern pinion 10 arranged on the winning face side, an advantageous cooperation with the machine roadway 6 is made possible in that the lantern pinion 10 consists of several racks 21, 22, 23 which are arranged so that each of them bridges the conveyor trough faces 19, 20. These racks 21, 22, 23 consist of a plug-in element 28 with teeth 11, 24 and welded-in bolts 25, 26, which are held so as to be movable in longitudinal direction inside a preceding retaining plate 29. Retaining plate 29 and support plate 44, the latter of which is connected via fastening screw pairs 33, 34 with the vertical roadway flange 8, are associated with a guide slit 45 in which the racks 21, 22, 23 are able to move correspondingly in transport direction 46 according to the tooth pitch, so that a uniform engagement of the gearwheel 9 of the longwall machine 5 is always ensured. The partitioning the racks 21, 22, 23 and the retaining plates 29 and the attachment by way of fastening screw pairs 33, 34 largely permits a preassembly aboveground in an advantageous manner.
REFERENCES:
patent: 4773710 (1988-09-01), Klimeck et al.
Bagnell David J.
Creighton Wray James
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