Dual drive for belt conveyor

Details Dual drive for belt conveyor Dual drive for belt conveyor

1994-07-18

1995-09-26

Valenza, Joseph E.

Conveyors: power-driven

Conveyor section

Endless conveyor

198813, B65G 2304

Patent

active

054527910

ABSTRACT:
A tandem drive unit (24) on a flexible conveyor belt (12) comprises a primary drive pulley (20) and a secondary drive pulley (22) driven by a primary drive motor (26, 28) and a secondary drive motor (34) respectively. The primary drive motor (26, 28) has a predetermined full-load speed and the secondary drive motor (34) has a full-load speed which is not greater than a theoretical speed value for the secondary drive pulley (22) obtained by calculating the speed differential between the primary and secondary pulleys as a function of the horsepower applied to the first and secondary drive pulleys and the modulus of elasticity of the conveyor belt (12). Alternatively, a secondary drive motor with a predetermined full-load speed may be selected and the required full-load speed of the primary drive motor may be determined. A method of non-mechanically coupling a primary and a secondary drive pulley in a tandem conveyor drive of a conveyor belt is also provided.

REFERENCES:
patent: 1499319 (1924-06-01), Reid
patent: 2452980 (1948-11-01), Beltz
patent: 4140216 (1979-02-01), Conrad
patent: 4548316 (1985-10-01), Maurer
patent: 5363951 (1994-11-01), Mensch
Article entitled "Dual Drive for Belt Conveyors" by S. Sur published in The International Journal for Storing and Handling Bulk Materials, vol. 7, No. 4, Aug. 1987.

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