Double-hydraulic pitched roof rotary crusher special for crushing high-hardness materials

The utility model relates to a professional double-hydraulic pitched roof rotary crusher for crushing high-hardness materials, which comprises a support base, a box body and two hydraulic cylinders, the box body and the hydraulic cylinders are fixed on the support base, the box body is of a hollow structure, a rocker arm and a top plate base are arranged in the box body, a top plate is arranged on the top plate base, a pressing plate is arranged on the rocker arm, and the two hydraulic cylinders are fixed on the support base. A channel formed by the pressing plate and the top plate in the box body is wide in upper portion and narrow in lower portion, and protrusions are arranged on the top plate and the pressing plate and are trapezoid. According to the technical scheme, dust can be effectively prevented from diffusing while dust can be reduced, the upper portions of the protrusions on the top plate and the pressing plate are sharper than the lower portions of the protrusions on the top plate and the pressing