Multifunctional clamp for clamping and limiting coupler

The utility model discloses a multifunctional clamp for clamping and limiting a coupler, and belongs to the field of coupler clamps. Comprising two semicircular hoops, a plurality of sleeves, a plurality of sets of connecting pieces and a plurality of pieces of round steel, the two semicircular hoops can form a complete round hoop, connecting plates are arranged on the two sides of each semicircular hoop respectively, connecting holes are formed in the connecting plates, the two semicircular hoops are fastened by the connecting pieces through the connecting holes of the semicircular hoops, and the two semicircular hoops are connected through the sleeves. A plurality of sleeves are arranged on each semicircular hoop at intervals, the central axis of each sleeve penetrates through the circle center of the corresponding semicircular hoop, and each round steel penetrates through the corresponding sleeve to be used for fixing a coupler. The device is convenient and fast to mount, and provides safety guarantee for