Swing type high-speed crushing device

The utility model relates to the technical field of crushers, and particularly discloses a swing type high-speed crushing device which comprises a support, a crushing barrel is arranged in the top of the support, a plurality of L-shaped plates are fixedly connected to the bottom of the crushing barrel, a grinding barrel is fixedly arranged on the outer sides of the L-shaped plates, and two symmetrically-arranged transmission shafts are fixedly connected to the outer portion of the crushing barrel. The two transmission shafts are rotationally connected into the top of the support, a first motor is fixedly connected to the outer side of the top of the support, one end of one of the two transmission shafts is fixedly connected to the output end of the first motor, a barrel cover is arranged at the top of the smashing barrel, and a second motor is fixedly connected to the top of the barrel cover. The output end of the second motor is fixedly connected with a first connecting shaft, and the bottom of the first con