Novel formwork fastening device for municipal road and bridge construction

The utility model belongs to the technical field of municipal roads and bridges, and particularly relates to a novel formwork fastening device for municipal road and bridge construction, which comprises a bottom plate for supporting, two clamping components for limiting a formwork are arranged on a top plate, and two limiting components for adjusting the angle are fixedly arranged on the side edge of the top plate; the position of a supporting block is adjusted by rotating the supporting block on a second screw rod, so that the supporting block is adjusted to a proper position, the outer cylinder is supported, a clamping seat can rotate to adjust the angle through the cooperation effect of a support and a top plate, the application range of the clamping seat is widened, and after adjustment, the clamping seat is convenient to adjust. An external bolt pin penetrates through a limiting rod and an adjusting disc, so that the angle of a clamping assembly is fixed, the extending size of a rotating rod on a clampin