Cutter drum drive assembly for canted end sections

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Cutter shiftable vertically

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Details

299 89, E21C 2724

Patent

active

042708036

ABSTRACT:
A continuous mining machine includes a body portion having a longitudinal axis and mounted on endless tracks. A boom member extends forwardly from the body portion with a cutter drum member rotatably mounted on the front of the boom member. The cutter drum member has an intermediate drum section and a pair of canted end drum section. The intermediate drum section is spaced from the end drum sections to provide openings therebetween. The boom member has front end portions extending through the openings to rotatably support the cutter drum member. Input drive shafts extend from drive motors on the body portion forwardly from the boom member at an acute angle with respect to the longitudinal axis of the body portion through the openings. In each end drum section meshing spiral bevel gears connect the input drive shaft through a planetary gear train to the end drum drive shaft. Rotation is transmitted from each end drum drive shaft to a drive shaft for rotating the intermediate drum section. Positioning the input drive shafts at an angle with respect to the longitudinal axis of the machine body portion facilitates positioning planetary gear trains in the end drum section to locate the cutter drum assembly for efficient feeding of dislodged material onto the machine and reduce the diameter of the intermediate drum section.

REFERENCES:
patent: 3141703 (1964-07-01), Gonski
patent: 3305273 (1967-02-01), Kilbourne
patent: 3774969 (1971-12-01), LeBegue
patent: 3848930 (1973-10-01), LeBegue
patent: 3966257 (1976-06-01), Shah

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