Arrangement for tensioning a gateway conveyor in a sloping gatew

Details Arrangement for tensioning a gateway conveyor in a sloping gatew Arrangement for tensioning a gateway conveyor in a sloping gatew

1977-07-12

1979-09-18

Valenza, Joseph E.

Conveyors: power-driven

Conveyor section

Endless conveyor

198735, 198861, 299 33, 405291, B65G 1530

Patent

active

041679989

ABSTRACT:
An arrangement for tensioning a gateway conveyor in a sloping gateway during longwall working using supports having base frames which are provided with pulling and shifting hydraulic actuators, wherein in a tensioning device is provided at least at one of the supports and is connected at one end to the gateway conveyor and at the other end to a slide member which is slidably guided by the base frame of the support for a movement which is transverse to the longitudinal direction of the gateway conveyor, characterized in that the slide member which is slidably guided for a movement which is transverse to the longitudinal direction of the gateway conveyor consists of a guide frame, which is supported by the base frame against forces acting in the longitudinal direction of the gateway conveyor, the cylinder of the pulling and shifting actuator is axially immovably mounted in the base frame and its piston is connected to said guide frame, which when retracted extends on opposite sides of the pulling and shifting actuator and a link is pivoted to the guide frame on a horizontal axis and held against angular movement in the longitudinal direction of the gateway conveyor and is connected to the tensioning device.

REFERENCES:
patent: 3113661 (1963-12-01), Linke et al.
patent: 3504944 (1970-04-01), Holz et al.

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