| 摘要 |
The invention relates to a gear motor set with angular transmission. Under the fixed hollow beam 3, the rotary casing 23 contains the principal shaft 20 on which the Archimedian screw 6 of an extractor is wedged. The motor 25 and the planet wheels (satellites) 12, 14 control the rotary and sweeping movements of the screw 6. Application: extractor located in the base of a vertical silo with a flat bottom, for storing materials in bulk. <IMAGE>
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