Totally-enclosed wear-resistant hammer crusher

The utility model relates to the technical field of hammer crushers, in particular to a totally-enclosed wear-resistant hammer crusher which comprises a compartment body, a rotor part and a driving motor, the compartment body is divided into an upper machine body and a lower machine body, the upper machine body is divided into a front fixing frame and a rear fixing frame which are of a split structure, a feeding port is formed in the front fixing frame, and the rear fixing frame is an arc-shaped cover body; the lower machine body is of an integrated structure, an arc-shaped grid plate is arranged in the lower machine body, the two ends of the arc-shaped grid plate are connected with the side edge of the lower machine body through a grid plate shaft, grate frame adjusting mechanisms are arranged at the two ends of the grid plate shaft and comprise cantilevers fixedly connected with the ends of the grid plate shaft, a heavy hammer frame is arranged at the end, away from the grid plate shaft, of each cantilever,