Drive device for a rotatable shaft

Details Drive device for a rotatable shaft Drive device for a rotatable shaft

1992-06-18

1994-05-24

Britts, Ramon S.

Endless belt power transmission systems or components

Plural belts or plural output loads

474150, F16H 700

Patent

active

053143868

ABSTRACT:
A drive device (140) for the rotatable shaft (44) of a mill (10) is disclosed including first and second, diametrically opposed carriers (142). In each of the carriers (142), the ends of first and second bearing plates (152, 154) and of a motor plate (176) extend through parallel slots (148-150) formed in parallel, first and second housing plates (144) and are secured to adjustment plates (164) located outside of and slideable on the housing plates (144). Screw mechanisms (168) extend between and adjustably relate the housing and adjustment plates (144, 164) to provide relative sliding therebetween. A jack shaft (156) rotatably mounted by first and second bearings (158, 160) carried by the bearing plates (152, 154) includes a sheave (162) located intermediate the bearing plates (152, 154). A motor (180) is mounted to the motor plate (176) and has an output shaft (182) coupled to an end of the jack shaft (156) to avoid overhung loads to the motor (180). The rotatable shaft (44) is rotatably related to the jack shaft (156) by belts (198, 202) extending around sheaves (162, 196, 200) on the jack shaft (156) and the rotatable shaft (44) in diametrically opposite directions to avoid overhung loads being transferred to the rotatable shaft (44).

REFERENCES:
patent: 2428142 (1947-04-01), Carter
patent: 2775131 (1956-12-01), Smits
patent: 3085756 (1963-04-01), Danforth et al.
patent: 3534634 (1970-10-01), Kawanami
patent: 4119055 (1978-10-01), Ward et al.
patent: 4477028 (1984-10-01), Hughes
patent: 4949915 (1990-08-01), Hughes

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