Single-rotor hammer crusher reverse impact frame assembly, crusher and crushing method

The invention discloses a single-rotor hammer crusher reverse impact frame assembly which comprises a reverse impact frame and further comprises a reverse impact plate connected to the reverse impact frame. The reverse impact frame comprises a connecting plate and a crescent-shaped plate welded to the connecting plate. Compared with the prior art, the single-rotor hammer crusher reverse impact frame assembly has the advantages that the yield of the crusher can be increased, and meanwhile the service life of the crusher is prolonged.