Multifunctional clamping device

The utility model discloses a multifunctional clamping device, and belongs to the technical field of clamps. The clamping device comprises a clamping mechanism, the clamping mechanism comprises a mounting seat and an L-shaped clamping block, the mounting seat is provided with a containing groove, openings are formed in the top and the side edge of the containing groove, the L-shaped clamping block is inversely arranged in the containing groove, one end of the L-shaped clamping block is rotationally connected with the mounting seat, the other end of the L-shaped clamping block is used for abutting against a workpiece, and a spring is arranged between the L-shaped clamping block and the mounting seat. The L-shaped clamping block rotates to deviate from the accommodating groove under the action of the spring in a free state; a tensioning mechanism; and the flexible rope is connected between the L-shaped clamping block and the mounting base, one end of the flexible rope penetrates through the L-shaped clamping bl