Apparatus for monitoring the operation of a drag chain conveyor

Details Apparatus for monitoring the operation of a drag chain conveyor Apparatus for monitoring the operation of a drag chain conveyor

1974-10-09

1976-06-15

Blunk, Evon C.

Conveyors: power-driven

Conveyor system for arranging or rearranging stream of items

By laterally or vertically moving successive items in...

198 40, 198232, 742428, 226 45, B65G 1530

Patent

active

039631150

ABSTRACT:
With a drag chain conveyor there is, for a timely warning of malfunctioning, associated a monitoring apparatus. The drag chain conveyor has a conveyor chain assembly which includes an endless conveyor chain trained about a drive sprocket and a return sprocket and a biasing mechanism for displacing the bearing support of the return sprocket to maintain the chain at a predetermined tension. The monitoring apparatus has at least one sensor connected to the chain assembly for monitoring the magnitude of at least one of the following chain parameters: chain tension, chain wear and chain slack. The sensor is coupled to a signal transmitter which emits a signal upon a nonpermitted deviation from the parameter magnitudes. A signal-responsive device is connected to the signal transmitter for emitting, for example, a visual warning signal.

REFERENCES:
patent: 2209476 (1940-07-01), Redler
patent: 2230745 (1941-02-01), Eiselstein
patent: 2438068 (1948-03-01), Mercier
patent: 2635736 (1953-04-01), Rust
patent: 2932382 (1960-04-01), James
patent: 3026992 (1962-03-01), Douglass
patent: 3277305 (1966-10-01), Anderman
patent: 3636817 (1972-01-01), Shapiro
patent: 3777879 (1973-12-01), Dehne
patent: 3792459 (1974-02-01), Snyder

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