Fastening piece provided with rotation-stopping bolt

The utility model discloses a fastening piece provided with a rotation-stopping bolt. The fastening piece provided with the rotation-stopping bolt comprises a fastening piece body, a locking device and the rotation-stopping bolt. The fastening piece body is composed of two semicircular blades, wherein one end of a first blade and one end of a second blade are hinged together through a shaft pin, a locking device is fixedly installed at the other end of the first blade and the other end of the second blade, and the rotation-stopping bolt is installed on the locking device in a penetrating mode. A boss is arranged below a nut of the rotation-stopping bolt, and a groove arranged in a groove body is matched with the boss. Therefore, the rotation-stopping bolt cannot rotate freely during installing and dismounting, installing and dismounting are convenient, installing time and dismounting time of the rotation-stopping bolt are reduced, labor intensity of workers is reduced, 100 % dismounting can be achieved, and s