Lever-type fastening mechanism and fastening method of swelling prevention frame beam template

The invention discloses a lever-type fastening mechanism and fastening method of a swelling prevention frame beam template, and solves the problem that an existing frame beam template reinforcing mechanism easily swells due to limited clamping force. A split bolt (9) is arranged between the lower portion of a right clamping plate (7) and the lower portion of a left clamping plate (8), a lower endsupporting square timber (10) is arranged between the inner side face of the lower end of the left clamping plate (8) on the lower portion of the split bolt (9) and the inner side face of the lower end of the right clamping plate (7), a left wedge-shaped inclined surface (11) is arranged at the left end of the lower end supporting square timber (10), a right wedge-shaped inclined surface (12) is arranged at the right end of the lower end supporting square timber (10), the left wedge-shaped inclined surface (11) and the right wedge-shaped inclined surface (12) are splay, and a bottom end squaretimber (6) is arranged be