Mechanical rapid locking structure capable of bearing large impact

The utility model discloses a mechanical quick locking structure capable of bearing larger impact, which comprises a rotor bracket, an impact plate hammer, a plate hammer locking plate, a main shaft, a first gasket, a first bolt, a first nut, a second nut, a second gasket, a second bolt, a third gasket, a third bolt, a first screw, a third nut, a second screw and an adjusting pad, according to the locking device for the impact plate hammer, the second locking wedge block, the second screw, the third nut and the first locking wedge block work in a matched mode, a main wedge block arranged on the impact plate hammer is limited and fixed, and therefore locking work of the impact plate hammer is completed; and the main wedge block arranged on the impact plate hammer is attached to the rotor bracket through the inclined surface, so that the contact surface of the main wedge block and the rotor bracket is increased, the gap between the rotor bracket and the impact plate hammer is eliminated, the fracture probabilit