FIELD: process engineering.
SUBSTANCE: invention relates to conical crusher head including case, top jacket and vertical shaft fitted in said casing. Said conical head is located inside top jacket to make crushing chamber there between. Eccentric element oscillates said conical head. Note here that said system comprises brake bush and circular block pressed against each other by centrifugal force acting on conical head at idle operation of the crusher to generate braking friction force opposite drag force of friction formed between conical head and eccentric element. Note here that braking bush and circular block spaced from the centre of gravity of conical head by distance smaller than axial spacing between said centre of gravity and area wherein said drag force acts to make braking friction force smaller than drag force of friction.
EFFECT: ruled out rotation of conical head.
10 cl, 7 dwg
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