FIELD: crushing or grinding of various materials.
SUBSTANCE: invention relates to means of crushing or grinding materials and can be used in mobile crushing units. Proposed crusher comprises main frame, crusher supported by main frame, main and extra motors. Main engine is mounted on the main frame to bring the crusher into action by means of the first driving belt passing around the first driving pulley on the main engine, and the first flywheel installed on the crusher. Additional engine is installed on the main frame to provide additional means of actuation of the crusher. At that the unit contains the second driving belt passing around the second drive pulley on the additional engine, and the first or the second flywheel is installed on the crusher. Second driving belt is installed parallel to the first driving belt, at that the additional engine is installed with possibility of movement on the unit by means of the hinged link for adjustment of tension of the second driving belt.
EFFECT: crushing unit enables to minimize the number of additional components.
14 cl, 11 dwg
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