Horizontal hardened material crushing device and ship unloader

The utility model belongs to the technical field of engineering machinery, and discloses a horizontal hardened material crushing device and a ship unloader, the crushing device comprises a motor, a speed reducer, a transmission shaft, a reversing speed reducer and a crushing mechanism, the motor, the speed reducer, the transmission shaft and the reversing speed reducer are sequentially and coaxially connected from top to bottom in the vertical direction; the crushing mechanism is coaxially connected with the reversing speed reducer, the crushing mechanism can rotate along the center axis of the crushing mechanism, the lower portion of the crushing mechanism extends to be arranged on the outer side of the large arm, and the motor, the speed reducer and the crushing mechanism are all connected with the large arm of the ship unloader; the crushing mechanism comprises a small spiral fan blade, a large spiral fan blade and a main shaft, during working, the motor drives the main shaft of the crushing mechanism to r