Special tool to lock of cable well cover

The utility model provides a special tool to lock of cable well cover, includes locking mechanical system and unlocking rod two parts constitution. Locking mechanical system comprises hollow fixed axle, the axis of rotation of unblanking, locating lever, rotation locking plate, bolt and well lid, and hollow fixed axle and locating lever fixed mounting are on the well lid inner wall, and the axis of rotation of unblanking is installed in hollow fixed axle bottom, rotates the locking plate and installs on the locating lever, and the axis of rotation of unblanking constitutes crank link mechanism with the rotation locking plate through bolted splice, the unlocking rod comprises hollow tube, core bar and compression spring, the core bar and the axis of rotation cooperation of unblanking. Beneficial effect lies in: the installation is easy, convenient, shutting, the nimble easy operation of unblock, the shutting is reliable. But need use the just unblock of special unlatching tool pole when opening the well lid, e