Crusher with protection mechanism

The utility model relates to a crusher with a protection mechanism, comprising a support and two rollers which are arranged on the support and are respectively supported by bearings. a bearing seat of one roller is fixed on the support, and a bearing seat of the other roller is movably matched with...

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Bibliographic Details
Main Authors HONGGUO SUN, GANG SUN, JIAHUA XU
Format Patent
LanguageEnglish
Published 01.06.2005
Edition7
Subjects
CRUSHING, PULVERISING, OR DISINTEGRATING
CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL
MILLING GRAIN
PERFORMING OPERATIONS
PREPARATORY TREATMENT OF GRAIN FOR MILLING
TRANSPORTING
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Summary:The utility model relates to a crusher with a protection mechanism, comprising a support and two rollers which are arranged on the support and are respectively supported by bearings. a bearing seat of one roller is fixed on the support, and a bearing seat of the other roller is movably matched with the support. An oil cylinder is fixedly connected at the side of the support, and an oil inlet and an oil return port are arranged on the oil cylinder. The oil inlet is connected with an oil inlet pipe on which an accumulator is arranged. An inner cavity of the oil cylinder is matched with a piston which is connected into one unit with a piston rod. The piston rod contacts to the bearing seat which is movably matched with the support. By adopting the utility model, when feed-in graininess degree and feed-in hardness degree are over standards, working clearance between the two rollers is constant, troubles that a protection pin is changed by stopping are avoided, and production cost is reduced.
Bibliography:Application Number: CN2004228039U