Briquette coal raw material crushing device

The utility model discloses a briquette coal raw material crushing device, including adjusting subassembly, adjusting subassembly includes crushing box, connecting ring, threaded rod, U-shaped push-pull plate and action roller, the lower part center of crushing box front surface is fixedly connected with the connecting ring, the inside wall of connecting ring is rotatingly connected with threaded rod, the U-shaped push-pull plate is connected with the threaded rod, the U-shaped push-pull plate is connected with the movable roller. The outer side wall of the threaded rod is in threaded connection with a U-shaped push-pull plate, limiting plates are welded to the two sides of the rear surface of the U-shaped push-pull plate, and the sides, close to each other, of the two limiting plates are slidably connected to the front portions of the two sides of the smashing box. The adjusting wheel is rotated to drive the threaded rod to rotate, so that the U-shaped push-pull plate is driven to move, the limiting plate is