Load cell assembly for conveyor weighing of bulk material

Details Load cell assembly for conveyor weighing of bulk material Load cell assembly for conveyor weighing of bulk material

1983-03-18

1984-08-07

Goldberg, E. A.

Weighing scales

Weigher responsive material control

Feed

177145, 177255, 198504, G01G 1302, G01G 1900, G01G 2112, G01G 1100

Patent

active

044638167

ABSTRACT:
A bulk material weighing apparatus 10, according to the present invention, includes a weigh frame 12 that is suspended within a conveyor frame 20 by three load cells 14, 16, and 18. The weigh frame has idler rollers 50, 52, 54, and 56 that are so positioned to be level with respect to corresponding rollers 34 and 36 of the conveyor frame. A conveyor belt 22, for transporting the bulk material 24 to be weighed, is supported by the rollers of both the conveyor and the weigh frames. The weight of the material conveyed by the conveyor belt is transferred to the load cells by the weigh frame. Material weight is found by summing the force outputs of the three load cells. The load cells are preferably positioned such that each load cell reacts one third of the weight of the material when uniformly distributed upon the conveyor belt.

REFERENCES:
patent: 3331457 (1967-07-01), Blubaugh
patent: 4284155 (1981-08-01), Soderholm

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